idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
26,400 | static int ext3_create_journal(struct super_block *sb,
struct ext3_super_block *es,
unsigned int journal_inum)
{
journal_t *journal;
int err;
if (sb->s_flags & MS_RDONLY) {
ext3_msg(sb, KERN_ERR,
"error: readonly filesystem when trying to "
"create journal");
return -EROFS;
}
journal = ext3_get_journal(sb, journal_inum);
if (!journal)
return -EINVAL;
ext3_msg(sb, KERN_INFO, "creating new journal on inode %u",
journal_inum);
err = journal_create(journal);
if (err) {
ext3_msg(sb, KERN_ERR, "error creating journal");
journal_destroy(journal);
return -EIO;
}
EXT3_SB(sb)->s_journal = journal;
ext3_update_dynamic_rev(sb);
EXT3_SET_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
EXT3_SET_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL);
es->s_journal_inum = cpu_to_le32(journal_inum);
/* Make sure we flush the recovery flag to disk. */
ext3_commit_super(sb, es, 1);
return 0;
}
| +Priv | 0 | static int ext3_create_journal(struct super_block *sb,
struct ext3_super_block *es,
unsigned int journal_inum)
{
journal_t *journal;
int err;
if (sb->s_flags & MS_RDONLY) {
ext3_msg(sb, KERN_ERR,
"error: readonly filesystem when trying to "
"create journal");
return -EROFS;
}
journal = ext3_get_journal(sb, journal_inum);
if (!journal)
return -EINVAL;
ext3_msg(sb, KERN_INFO, "creating new journal on inode %u",
journal_inum);
err = journal_create(journal);
if (err) {
ext3_msg(sb, KERN_ERR, "error creating journal");
journal_destroy(journal);
return -EIO;
}
EXT3_SB(sb)->s_journal = journal;
ext3_update_dynamic_rev(sb);
EXT3_SET_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
EXT3_SET_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL);
es->s_journal_inum = cpu_to_le32(journal_inum);
/* Make sure we flush the recovery flag to disk. */
ext3_commit_super(sb, es, 1);
return 0;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,401 | static void ext3_destroy_inode(struct inode *inode)
{
if (!list_empty(&(EXT3_I(inode)->i_orphan))) {
printk("EXT3 Inode %p: orphan list check failed!\n",
EXT3_I(inode));
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 16, 4,
EXT3_I(inode), sizeof(struct ext3_inode_info),
false);
dump_stack();
}
call_rcu(&inode->i_rcu, ext3_i_callback);
}
| +Priv | 0 | static void ext3_destroy_inode(struct inode *inode)
{
if (!list_empty(&(EXT3_I(inode)->i_orphan))) {
printk("EXT3 Inode %p: orphan list check failed!\n",
EXT3_I(inode));
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 16, 4,
EXT3_I(inode), sizeof(struct ext3_inode_info),
false);
dump_stack();
}
call_rcu(&inode->i_rcu, ext3_i_callback);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,402 | static int ext3_drop_inode(struct inode *inode)
{
int drop = generic_drop_inode(inode);
trace_ext3_drop_inode(inode, drop);
return drop;
}
| +Priv | 0 | static int ext3_drop_inode(struct inode *inode)
{
int drop = generic_drop_inode(inode);
trace_ext3_drop_inode(inode, drop);
return drop;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,403 | static struct dentry *ext3_fh_to_dentry(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type)
{
return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
ext3_nfs_get_inode);
}
| +Priv | 0 | static struct dentry *ext3_fh_to_dentry(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type)
{
return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
ext3_nfs_get_inode);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,404 | static struct dentry *ext3_fh_to_parent(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type)
{
return generic_fh_to_parent(sb, fid, fh_len, fh_type,
ext3_nfs_get_inode);
}
| +Priv | 0 | static struct dentry *ext3_fh_to_parent(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type)
{
return generic_fh_to_parent(sb, fid, fh_len, fh_type,
ext3_nfs_get_inode);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,405 | static int ext3_fill_super (struct super_block *sb, void *data, int silent)
{
struct buffer_head * bh;
struct ext3_super_block *es = NULL;
struct ext3_sb_info *sbi;
ext3_fsblk_t block;
ext3_fsblk_t sb_block = get_sb_block(&data, sb);
ext3_fsblk_t logic_sb_block;
unsigned long offset = 0;
unsigned int journal_inum = 0;
unsigned long journal_devnum = 0;
unsigned long def_mount_opts;
struct inode *root;
int blocksize;
int hblock;
int db_count;
int i;
int needs_recovery;
int ret = -EINVAL;
__le32 features;
int err;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
sbi->s_blockgroup_lock =
kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
if (!sbi->s_blockgroup_lock) {
kfree(sbi);
return -ENOMEM;
}
sb->s_fs_info = sbi;
sbi->s_sb_block = sb_block;
blocksize = sb_min_blocksize(sb, EXT3_MIN_BLOCK_SIZE);
if (!blocksize) {
ext3_msg(sb, KERN_ERR, "error: unable to set blocksize");
goto out_fail;
}
/*
* The ext3 superblock will not be buffer aligned for other than 1kB
* block sizes. We need to calculate the offset from buffer start.
*/
if (blocksize != EXT3_MIN_BLOCK_SIZE) {
logic_sb_block = (sb_block * EXT3_MIN_BLOCK_SIZE) / blocksize;
offset = (sb_block * EXT3_MIN_BLOCK_SIZE) % blocksize;
} else {
logic_sb_block = sb_block;
}
if (!(bh = sb_bread(sb, logic_sb_block))) {
ext3_msg(sb, KERN_ERR, "error: unable to read superblock");
goto out_fail;
}
/*
* Note: s_es must be initialized as soon as possible because
* some ext3 macro-instructions depend on its value
*/
es = (struct ext3_super_block *) (bh->b_data + offset);
sbi->s_es = es;
sb->s_magic = le16_to_cpu(es->s_magic);
if (sb->s_magic != EXT3_SUPER_MAGIC)
goto cantfind_ext3;
/* Set defaults before we parse the mount options */
def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
if (def_mount_opts & EXT3_DEFM_DEBUG)
set_opt(sbi->s_mount_opt, DEBUG);
if (def_mount_opts & EXT3_DEFM_BSDGROUPS)
set_opt(sbi->s_mount_opt, GRPID);
if (def_mount_opts & EXT3_DEFM_UID16)
set_opt(sbi->s_mount_opt, NO_UID32);
#ifdef CONFIG_EXT3_FS_XATTR
if (def_mount_opts & EXT3_DEFM_XATTR_USER)
set_opt(sbi->s_mount_opt, XATTR_USER);
#endif
#ifdef CONFIG_EXT3_FS_POSIX_ACL
if (def_mount_opts & EXT3_DEFM_ACL)
set_opt(sbi->s_mount_opt, POSIX_ACL);
#endif
if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_DATA)
set_opt(sbi->s_mount_opt, JOURNAL_DATA);
else if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_ORDERED)
set_opt(sbi->s_mount_opt, ORDERED_DATA);
else if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_WBACK)
set_opt(sbi->s_mount_opt, WRITEBACK_DATA);
if (le16_to_cpu(sbi->s_es->s_errors) == EXT3_ERRORS_PANIC)
set_opt(sbi->s_mount_opt, ERRORS_PANIC);
else if (le16_to_cpu(sbi->s_es->s_errors) == EXT3_ERRORS_CONTINUE)
set_opt(sbi->s_mount_opt, ERRORS_CONT);
else
set_opt(sbi->s_mount_opt, ERRORS_RO);
sbi->s_resuid = make_kuid(&init_user_ns, le16_to_cpu(es->s_def_resuid));
sbi->s_resgid = make_kgid(&init_user_ns, le16_to_cpu(es->s_def_resgid));
/* enable barriers by default */
set_opt(sbi->s_mount_opt, BARRIER);
set_opt(sbi->s_mount_opt, RESERVATION);
if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum,
NULL, 0))
goto failed_mount;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
if (le32_to_cpu(es->s_rev_level) == EXT3_GOOD_OLD_REV &&
(EXT3_HAS_COMPAT_FEATURE(sb, ~0U) ||
EXT3_HAS_RO_COMPAT_FEATURE(sb, ~0U) ||
EXT3_HAS_INCOMPAT_FEATURE(sb, ~0U)))
ext3_msg(sb, KERN_WARNING,
"warning: feature flags set on rev 0 fs, "
"running e2fsck is recommended");
/*
* Check feature flags regardless of the revision level, since we
* previously didn't change the revision level when setting the flags,
* so there is a chance incompat flags are set on a rev 0 filesystem.
*/
features = EXT3_HAS_INCOMPAT_FEATURE(sb, ~EXT3_FEATURE_INCOMPAT_SUPP);
if (features) {
ext3_msg(sb, KERN_ERR,
"error: couldn't mount because of unsupported "
"optional features (%x)", le32_to_cpu(features));
goto failed_mount;
}
features = EXT3_HAS_RO_COMPAT_FEATURE(sb, ~EXT3_FEATURE_RO_COMPAT_SUPP);
if (!(sb->s_flags & MS_RDONLY) && features) {
ext3_msg(sb, KERN_ERR,
"error: couldn't mount RDWR because of unsupported "
"optional features (%x)", le32_to_cpu(features));
goto failed_mount;
}
blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
if (blocksize < EXT3_MIN_BLOCK_SIZE ||
blocksize > EXT3_MAX_BLOCK_SIZE) {
ext3_msg(sb, KERN_ERR,
"error: couldn't mount because of unsupported "
"filesystem blocksize %d", blocksize);
goto failed_mount;
}
hblock = bdev_logical_block_size(sb->s_bdev);
if (sb->s_blocksize != blocksize) {
/*
* Make sure the blocksize for the filesystem is larger
* than the hardware sectorsize for the machine.
*/
if (blocksize < hblock) {
ext3_msg(sb, KERN_ERR,
"error: fsblocksize %d too small for "
"hardware sectorsize %d", blocksize, hblock);
goto failed_mount;
}
brelse (bh);
if (!sb_set_blocksize(sb, blocksize)) {
ext3_msg(sb, KERN_ERR,
"error: bad blocksize %d", blocksize);
goto out_fail;
}
logic_sb_block = (sb_block * EXT3_MIN_BLOCK_SIZE) / blocksize;
offset = (sb_block * EXT3_MIN_BLOCK_SIZE) % blocksize;
bh = sb_bread(sb, logic_sb_block);
if (!bh) {
ext3_msg(sb, KERN_ERR,
"error: can't read superblock on 2nd try");
goto failed_mount;
}
es = (struct ext3_super_block *)(bh->b_data + offset);
sbi->s_es = es;
if (es->s_magic != cpu_to_le16(EXT3_SUPER_MAGIC)) {
ext3_msg(sb, KERN_ERR,
"error: magic mismatch");
goto failed_mount;
}
}
sb->s_maxbytes = ext3_max_size(sb->s_blocksize_bits);
if (le32_to_cpu(es->s_rev_level) == EXT3_GOOD_OLD_REV) {
sbi->s_inode_size = EXT3_GOOD_OLD_INODE_SIZE;
sbi->s_first_ino = EXT3_GOOD_OLD_FIRST_INO;
} else {
sbi->s_inode_size = le16_to_cpu(es->s_inode_size);
sbi->s_first_ino = le32_to_cpu(es->s_first_ino);
if ((sbi->s_inode_size < EXT3_GOOD_OLD_INODE_SIZE) ||
(!is_power_of_2(sbi->s_inode_size)) ||
(sbi->s_inode_size > blocksize)) {
ext3_msg(sb, KERN_ERR,
"error: unsupported inode size: %d",
sbi->s_inode_size);
goto failed_mount;
}
}
sbi->s_frag_size = EXT3_MIN_FRAG_SIZE <<
le32_to_cpu(es->s_log_frag_size);
if (blocksize != sbi->s_frag_size) {
ext3_msg(sb, KERN_ERR,
"error: fragsize %lu != blocksize %u (unsupported)",
sbi->s_frag_size, blocksize);
goto failed_mount;
}
sbi->s_frags_per_block = 1;
sbi->s_blocks_per_group = le32_to_cpu(es->s_blocks_per_group);
sbi->s_frags_per_group = le32_to_cpu(es->s_frags_per_group);
sbi->s_inodes_per_group = le32_to_cpu(es->s_inodes_per_group);
if (EXT3_INODE_SIZE(sb) == 0 || EXT3_INODES_PER_GROUP(sb) == 0)
goto cantfind_ext3;
sbi->s_inodes_per_block = blocksize / EXT3_INODE_SIZE(sb);
if (sbi->s_inodes_per_block == 0)
goto cantfind_ext3;
sbi->s_itb_per_group = sbi->s_inodes_per_group /
sbi->s_inodes_per_block;
sbi->s_desc_per_block = blocksize / sizeof(struct ext3_group_desc);
sbi->s_sbh = bh;
sbi->s_mount_state = le16_to_cpu(es->s_state);
sbi->s_addr_per_block_bits = ilog2(EXT3_ADDR_PER_BLOCK(sb));
sbi->s_desc_per_block_bits = ilog2(EXT3_DESC_PER_BLOCK(sb));
for (i=0; i < 4; i++)
sbi->s_hash_seed[i] = le32_to_cpu(es->s_hash_seed[i]);
sbi->s_def_hash_version = es->s_def_hash_version;
i = le32_to_cpu(es->s_flags);
if (i & EXT2_FLAGS_UNSIGNED_HASH)
sbi->s_hash_unsigned = 3;
else if ((i & EXT2_FLAGS_SIGNED_HASH) == 0) {
#ifdef __CHAR_UNSIGNED__
es->s_flags |= cpu_to_le32(EXT2_FLAGS_UNSIGNED_HASH);
sbi->s_hash_unsigned = 3;
#else
es->s_flags |= cpu_to_le32(EXT2_FLAGS_SIGNED_HASH);
#endif
}
if (sbi->s_blocks_per_group > blocksize * 8) {
ext3_msg(sb, KERN_ERR,
"#blocks per group too big: %lu",
sbi->s_blocks_per_group);
goto failed_mount;
}
if (sbi->s_frags_per_group > blocksize * 8) {
ext3_msg(sb, KERN_ERR,
"error: #fragments per group too big: %lu",
sbi->s_frags_per_group);
goto failed_mount;
}
if (sbi->s_inodes_per_group > blocksize * 8) {
ext3_msg(sb, KERN_ERR,
"error: #inodes per group too big: %lu",
sbi->s_inodes_per_group);
goto failed_mount;
}
err = generic_check_addressable(sb->s_blocksize_bits,
le32_to_cpu(es->s_blocks_count));
if (err) {
ext3_msg(sb, KERN_ERR,
"error: filesystem is too large to mount safely");
if (sizeof(sector_t) < 8)
ext3_msg(sb, KERN_ERR,
"error: CONFIG_LBDAF not enabled");
ret = err;
goto failed_mount;
}
if (EXT3_BLOCKS_PER_GROUP(sb) == 0)
goto cantfind_ext3;
sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) -
le32_to_cpu(es->s_first_data_block) - 1)
/ EXT3_BLOCKS_PER_GROUP(sb)) + 1;
db_count = DIV_ROUND_UP(sbi->s_groups_count, EXT3_DESC_PER_BLOCK(sb));
sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *),
GFP_KERNEL);
if (sbi->s_group_desc == NULL) {
ext3_msg(sb, KERN_ERR,
"error: not enough memory");
ret = -ENOMEM;
goto failed_mount;
}
bgl_lock_init(sbi->s_blockgroup_lock);
for (i = 0; i < db_count; i++) {
block = descriptor_loc(sb, logic_sb_block, i);
sbi->s_group_desc[i] = sb_bread(sb, block);
if (!sbi->s_group_desc[i]) {
ext3_msg(sb, KERN_ERR,
"error: can't read group descriptor %d", i);
db_count = i;
goto failed_mount2;
}
}
if (!ext3_check_descriptors (sb)) {
ext3_msg(sb, KERN_ERR,
"error: group descriptors corrupted");
goto failed_mount2;
}
sbi->s_gdb_count = db_count;
get_random_bytes(&sbi->s_next_generation, sizeof(u32));
spin_lock_init(&sbi->s_next_gen_lock);
/* per fileystem reservation list head & lock */
spin_lock_init(&sbi->s_rsv_window_lock);
sbi->s_rsv_window_root = RB_ROOT;
/* Add a single, static dummy reservation to the start of the
* reservation window list --- it gives us a placeholder for
* append-at-start-of-list which makes the allocation logic
* _much_ simpler. */
sbi->s_rsv_window_head.rsv_start = EXT3_RESERVE_WINDOW_NOT_ALLOCATED;
sbi->s_rsv_window_head.rsv_end = EXT3_RESERVE_WINDOW_NOT_ALLOCATED;
sbi->s_rsv_window_head.rsv_alloc_hit = 0;
sbi->s_rsv_window_head.rsv_goal_size = 0;
ext3_rsv_window_add(sb, &sbi->s_rsv_window_head);
/*
* set up enough so that it can read an inode
*/
sb->s_op = &ext3_sops;
sb->s_export_op = &ext3_export_ops;
sb->s_xattr = ext3_xattr_handlers;
#ifdef CONFIG_QUOTA
sb->s_qcop = &ext3_qctl_operations;
sb->dq_op = &ext3_quota_operations;
#endif
memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid));
INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */
mutex_init(&sbi->s_orphan_lock);
mutex_init(&sbi->s_resize_lock);
sb->s_root = NULL;
needs_recovery = (es->s_last_orphan != 0 ||
EXT3_HAS_INCOMPAT_FEATURE(sb,
EXT3_FEATURE_INCOMPAT_RECOVER));
/*
* The first inode we look at is the journal inode. Don't try
* root first: it may be modified in the journal!
*/
if (!test_opt(sb, NOLOAD) &&
EXT3_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
if (ext3_load_journal(sb, es, journal_devnum))
goto failed_mount2;
} else if (journal_inum) {
if (ext3_create_journal(sb, es, journal_inum))
goto failed_mount2;
} else {
if (!silent)
ext3_msg(sb, KERN_ERR,
"error: no journal found. "
"mounting ext3 over ext2?");
goto failed_mount2;
}
err = percpu_counter_init(&sbi->s_freeblocks_counter,
ext3_count_free_blocks(sb));
if (!err) {
err = percpu_counter_init(&sbi->s_freeinodes_counter,
ext3_count_free_inodes(sb));
}
if (!err) {
err = percpu_counter_init(&sbi->s_dirs_counter,
ext3_count_dirs(sb));
}
if (err) {
ext3_msg(sb, KERN_ERR, "error: insufficient memory");
ret = err;
goto failed_mount3;
}
/* We have now updated the journal if required, so we can
* validate the data journaling mode. */
switch (test_opt(sb, DATA_FLAGS)) {
case 0:
/* No mode set, assume a default based on the journal
capabilities: ORDERED_DATA if the journal can
cope, else JOURNAL_DATA */
if (journal_check_available_features
(sbi->s_journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE))
set_opt(sbi->s_mount_opt, DEFAULT_DATA_MODE);
else
set_opt(sbi->s_mount_opt, JOURNAL_DATA);
break;
case EXT3_MOUNT_ORDERED_DATA:
case EXT3_MOUNT_WRITEBACK_DATA:
if (!journal_check_available_features
(sbi->s_journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE)) {
ext3_msg(sb, KERN_ERR,
"error: journal does not support "
"requested data journaling mode");
goto failed_mount3;
}
default:
break;
}
/*
* The journal_load will have done any necessary log recovery,
* so we can safely mount the rest of the filesystem now.
*/
root = ext3_iget(sb, EXT3_ROOT_INO);
if (IS_ERR(root)) {
ext3_msg(sb, KERN_ERR, "error: get root inode failed");
ret = PTR_ERR(root);
goto failed_mount3;
}
if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
iput(root);
ext3_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck");
goto failed_mount3;
}
sb->s_root = d_make_root(root);
if (!sb->s_root) {
ext3_msg(sb, KERN_ERR, "error: get root dentry failed");
ret = -ENOMEM;
goto failed_mount3;
}
if (ext3_setup_super(sb, es, sb->s_flags & MS_RDONLY))
sb->s_flags |= MS_RDONLY;
EXT3_SB(sb)->s_mount_state |= EXT3_ORPHAN_FS;
ext3_orphan_cleanup(sb, es);
EXT3_SB(sb)->s_mount_state &= ~EXT3_ORPHAN_FS;
if (needs_recovery) {
ext3_mark_recovery_complete(sb, es);
ext3_msg(sb, KERN_INFO, "recovery complete");
}
ext3_msg(sb, KERN_INFO, "mounted filesystem with %s data mode",
test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_JOURNAL_DATA ? "journal":
test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA ? "ordered":
"writeback");
sb->s_flags |= MS_SNAP_STABLE;
return 0;
cantfind_ext3:
if (!silent)
ext3_msg(sb, KERN_INFO,
"error: can't find ext3 filesystem on dev %s.",
sb->s_id);
goto failed_mount;
failed_mount3:
percpu_counter_destroy(&sbi->s_freeblocks_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);
journal_destroy(sbi->s_journal);
failed_mount2:
for (i = 0; i < db_count; i++)
brelse(sbi->s_group_desc[i]);
kfree(sbi->s_group_desc);
failed_mount:
#ifdef CONFIG_QUOTA
for (i = 0; i < MAXQUOTAS; i++)
kfree(sbi->s_qf_names[i]);
#endif
ext3_blkdev_remove(sbi);
brelse(bh);
out_fail:
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
return ret;
}
| +Priv | 0 | static int ext3_fill_super (struct super_block *sb, void *data, int silent)
{
struct buffer_head * bh;
struct ext3_super_block *es = NULL;
struct ext3_sb_info *sbi;
ext3_fsblk_t block;
ext3_fsblk_t sb_block = get_sb_block(&data, sb);
ext3_fsblk_t logic_sb_block;
unsigned long offset = 0;
unsigned int journal_inum = 0;
unsigned long journal_devnum = 0;
unsigned long def_mount_opts;
struct inode *root;
int blocksize;
int hblock;
int db_count;
int i;
int needs_recovery;
int ret = -EINVAL;
__le32 features;
int err;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
sbi->s_blockgroup_lock =
kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
if (!sbi->s_blockgroup_lock) {
kfree(sbi);
return -ENOMEM;
}
sb->s_fs_info = sbi;
sbi->s_sb_block = sb_block;
blocksize = sb_min_blocksize(sb, EXT3_MIN_BLOCK_SIZE);
if (!blocksize) {
ext3_msg(sb, KERN_ERR, "error: unable to set blocksize");
goto out_fail;
}
/*
* The ext3 superblock will not be buffer aligned for other than 1kB
* block sizes. We need to calculate the offset from buffer start.
*/
if (blocksize != EXT3_MIN_BLOCK_SIZE) {
logic_sb_block = (sb_block * EXT3_MIN_BLOCK_SIZE) / blocksize;
offset = (sb_block * EXT3_MIN_BLOCK_SIZE) % blocksize;
} else {
logic_sb_block = sb_block;
}
if (!(bh = sb_bread(sb, logic_sb_block))) {
ext3_msg(sb, KERN_ERR, "error: unable to read superblock");
goto out_fail;
}
/*
* Note: s_es must be initialized as soon as possible because
* some ext3 macro-instructions depend on its value
*/
es = (struct ext3_super_block *) (bh->b_data + offset);
sbi->s_es = es;
sb->s_magic = le16_to_cpu(es->s_magic);
if (sb->s_magic != EXT3_SUPER_MAGIC)
goto cantfind_ext3;
/* Set defaults before we parse the mount options */
def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
if (def_mount_opts & EXT3_DEFM_DEBUG)
set_opt(sbi->s_mount_opt, DEBUG);
if (def_mount_opts & EXT3_DEFM_BSDGROUPS)
set_opt(sbi->s_mount_opt, GRPID);
if (def_mount_opts & EXT3_DEFM_UID16)
set_opt(sbi->s_mount_opt, NO_UID32);
#ifdef CONFIG_EXT3_FS_XATTR
if (def_mount_opts & EXT3_DEFM_XATTR_USER)
set_opt(sbi->s_mount_opt, XATTR_USER);
#endif
#ifdef CONFIG_EXT3_FS_POSIX_ACL
if (def_mount_opts & EXT3_DEFM_ACL)
set_opt(sbi->s_mount_opt, POSIX_ACL);
#endif
if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_DATA)
set_opt(sbi->s_mount_opt, JOURNAL_DATA);
else if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_ORDERED)
set_opt(sbi->s_mount_opt, ORDERED_DATA);
else if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_WBACK)
set_opt(sbi->s_mount_opt, WRITEBACK_DATA);
if (le16_to_cpu(sbi->s_es->s_errors) == EXT3_ERRORS_PANIC)
set_opt(sbi->s_mount_opt, ERRORS_PANIC);
else if (le16_to_cpu(sbi->s_es->s_errors) == EXT3_ERRORS_CONTINUE)
set_opt(sbi->s_mount_opt, ERRORS_CONT);
else
set_opt(sbi->s_mount_opt, ERRORS_RO);
sbi->s_resuid = make_kuid(&init_user_ns, le16_to_cpu(es->s_def_resuid));
sbi->s_resgid = make_kgid(&init_user_ns, le16_to_cpu(es->s_def_resgid));
/* enable barriers by default */
set_opt(sbi->s_mount_opt, BARRIER);
set_opt(sbi->s_mount_opt, RESERVATION);
if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum,
NULL, 0))
goto failed_mount;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
if (le32_to_cpu(es->s_rev_level) == EXT3_GOOD_OLD_REV &&
(EXT3_HAS_COMPAT_FEATURE(sb, ~0U) ||
EXT3_HAS_RO_COMPAT_FEATURE(sb, ~0U) ||
EXT3_HAS_INCOMPAT_FEATURE(sb, ~0U)))
ext3_msg(sb, KERN_WARNING,
"warning: feature flags set on rev 0 fs, "
"running e2fsck is recommended");
/*
* Check feature flags regardless of the revision level, since we
* previously didn't change the revision level when setting the flags,
* so there is a chance incompat flags are set on a rev 0 filesystem.
*/
features = EXT3_HAS_INCOMPAT_FEATURE(sb, ~EXT3_FEATURE_INCOMPAT_SUPP);
if (features) {
ext3_msg(sb, KERN_ERR,
"error: couldn't mount because of unsupported "
"optional features (%x)", le32_to_cpu(features));
goto failed_mount;
}
features = EXT3_HAS_RO_COMPAT_FEATURE(sb, ~EXT3_FEATURE_RO_COMPAT_SUPP);
if (!(sb->s_flags & MS_RDONLY) && features) {
ext3_msg(sb, KERN_ERR,
"error: couldn't mount RDWR because of unsupported "
"optional features (%x)", le32_to_cpu(features));
goto failed_mount;
}
blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
if (blocksize < EXT3_MIN_BLOCK_SIZE ||
blocksize > EXT3_MAX_BLOCK_SIZE) {
ext3_msg(sb, KERN_ERR,
"error: couldn't mount because of unsupported "
"filesystem blocksize %d", blocksize);
goto failed_mount;
}
hblock = bdev_logical_block_size(sb->s_bdev);
if (sb->s_blocksize != blocksize) {
/*
* Make sure the blocksize for the filesystem is larger
* than the hardware sectorsize for the machine.
*/
if (blocksize < hblock) {
ext3_msg(sb, KERN_ERR,
"error: fsblocksize %d too small for "
"hardware sectorsize %d", blocksize, hblock);
goto failed_mount;
}
brelse (bh);
if (!sb_set_blocksize(sb, blocksize)) {
ext3_msg(sb, KERN_ERR,
"error: bad blocksize %d", blocksize);
goto out_fail;
}
logic_sb_block = (sb_block * EXT3_MIN_BLOCK_SIZE) / blocksize;
offset = (sb_block * EXT3_MIN_BLOCK_SIZE) % blocksize;
bh = sb_bread(sb, logic_sb_block);
if (!bh) {
ext3_msg(sb, KERN_ERR,
"error: can't read superblock on 2nd try");
goto failed_mount;
}
es = (struct ext3_super_block *)(bh->b_data + offset);
sbi->s_es = es;
if (es->s_magic != cpu_to_le16(EXT3_SUPER_MAGIC)) {
ext3_msg(sb, KERN_ERR,
"error: magic mismatch");
goto failed_mount;
}
}
sb->s_maxbytes = ext3_max_size(sb->s_blocksize_bits);
if (le32_to_cpu(es->s_rev_level) == EXT3_GOOD_OLD_REV) {
sbi->s_inode_size = EXT3_GOOD_OLD_INODE_SIZE;
sbi->s_first_ino = EXT3_GOOD_OLD_FIRST_INO;
} else {
sbi->s_inode_size = le16_to_cpu(es->s_inode_size);
sbi->s_first_ino = le32_to_cpu(es->s_first_ino);
if ((sbi->s_inode_size < EXT3_GOOD_OLD_INODE_SIZE) ||
(!is_power_of_2(sbi->s_inode_size)) ||
(sbi->s_inode_size > blocksize)) {
ext3_msg(sb, KERN_ERR,
"error: unsupported inode size: %d",
sbi->s_inode_size);
goto failed_mount;
}
}
sbi->s_frag_size = EXT3_MIN_FRAG_SIZE <<
le32_to_cpu(es->s_log_frag_size);
if (blocksize != sbi->s_frag_size) {
ext3_msg(sb, KERN_ERR,
"error: fragsize %lu != blocksize %u (unsupported)",
sbi->s_frag_size, blocksize);
goto failed_mount;
}
sbi->s_frags_per_block = 1;
sbi->s_blocks_per_group = le32_to_cpu(es->s_blocks_per_group);
sbi->s_frags_per_group = le32_to_cpu(es->s_frags_per_group);
sbi->s_inodes_per_group = le32_to_cpu(es->s_inodes_per_group);
if (EXT3_INODE_SIZE(sb) == 0 || EXT3_INODES_PER_GROUP(sb) == 0)
goto cantfind_ext3;
sbi->s_inodes_per_block = blocksize / EXT3_INODE_SIZE(sb);
if (sbi->s_inodes_per_block == 0)
goto cantfind_ext3;
sbi->s_itb_per_group = sbi->s_inodes_per_group /
sbi->s_inodes_per_block;
sbi->s_desc_per_block = blocksize / sizeof(struct ext3_group_desc);
sbi->s_sbh = bh;
sbi->s_mount_state = le16_to_cpu(es->s_state);
sbi->s_addr_per_block_bits = ilog2(EXT3_ADDR_PER_BLOCK(sb));
sbi->s_desc_per_block_bits = ilog2(EXT3_DESC_PER_BLOCK(sb));
for (i=0; i < 4; i++)
sbi->s_hash_seed[i] = le32_to_cpu(es->s_hash_seed[i]);
sbi->s_def_hash_version = es->s_def_hash_version;
i = le32_to_cpu(es->s_flags);
if (i & EXT2_FLAGS_UNSIGNED_HASH)
sbi->s_hash_unsigned = 3;
else if ((i & EXT2_FLAGS_SIGNED_HASH) == 0) {
#ifdef __CHAR_UNSIGNED__
es->s_flags |= cpu_to_le32(EXT2_FLAGS_UNSIGNED_HASH);
sbi->s_hash_unsigned = 3;
#else
es->s_flags |= cpu_to_le32(EXT2_FLAGS_SIGNED_HASH);
#endif
}
if (sbi->s_blocks_per_group > blocksize * 8) {
ext3_msg(sb, KERN_ERR,
"#blocks per group too big: %lu",
sbi->s_blocks_per_group);
goto failed_mount;
}
if (sbi->s_frags_per_group > blocksize * 8) {
ext3_msg(sb, KERN_ERR,
"error: #fragments per group too big: %lu",
sbi->s_frags_per_group);
goto failed_mount;
}
if (sbi->s_inodes_per_group > blocksize * 8) {
ext3_msg(sb, KERN_ERR,
"error: #inodes per group too big: %lu",
sbi->s_inodes_per_group);
goto failed_mount;
}
err = generic_check_addressable(sb->s_blocksize_bits,
le32_to_cpu(es->s_blocks_count));
if (err) {
ext3_msg(sb, KERN_ERR,
"error: filesystem is too large to mount safely");
if (sizeof(sector_t) < 8)
ext3_msg(sb, KERN_ERR,
"error: CONFIG_LBDAF not enabled");
ret = err;
goto failed_mount;
}
if (EXT3_BLOCKS_PER_GROUP(sb) == 0)
goto cantfind_ext3;
sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) -
le32_to_cpu(es->s_first_data_block) - 1)
/ EXT3_BLOCKS_PER_GROUP(sb)) + 1;
db_count = DIV_ROUND_UP(sbi->s_groups_count, EXT3_DESC_PER_BLOCK(sb));
sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *),
GFP_KERNEL);
if (sbi->s_group_desc == NULL) {
ext3_msg(sb, KERN_ERR,
"error: not enough memory");
ret = -ENOMEM;
goto failed_mount;
}
bgl_lock_init(sbi->s_blockgroup_lock);
for (i = 0; i < db_count; i++) {
block = descriptor_loc(sb, logic_sb_block, i);
sbi->s_group_desc[i] = sb_bread(sb, block);
if (!sbi->s_group_desc[i]) {
ext3_msg(sb, KERN_ERR,
"error: can't read group descriptor %d", i);
db_count = i;
goto failed_mount2;
}
}
if (!ext3_check_descriptors (sb)) {
ext3_msg(sb, KERN_ERR,
"error: group descriptors corrupted");
goto failed_mount2;
}
sbi->s_gdb_count = db_count;
get_random_bytes(&sbi->s_next_generation, sizeof(u32));
spin_lock_init(&sbi->s_next_gen_lock);
/* per fileystem reservation list head & lock */
spin_lock_init(&sbi->s_rsv_window_lock);
sbi->s_rsv_window_root = RB_ROOT;
/* Add a single, static dummy reservation to the start of the
* reservation window list --- it gives us a placeholder for
* append-at-start-of-list which makes the allocation logic
* _much_ simpler. */
sbi->s_rsv_window_head.rsv_start = EXT3_RESERVE_WINDOW_NOT_ALLOCATED;
sbi->s_rsv_window_head.rsv_end = EXT3_RESERVE_WINDOW_NOT_ALLOCATED;
sbi->s_rsv_window_head.rsv_alloc_hit = 0;
sbi->s_rsv_window_head.rsv_goal_size = 0;
ext3_rsv_window_add(sb, &sbi->s_rsv_window_head);
/*
* set up enough so that it can read an inode
*/
sb->s_op = &ext3_sops;
sb->s_export_op = &ext3_export_ops;
sb->s_xattr = ext3_xattr_handlers;
#ifdef CONFIG_QUOTA
sb->s_qcop = &ext3_qctl_operations;
sb->dq_op = &ext3_quota_operations;
#endif
memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid));
INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */
mutex_init(&sbi->s_orphan_lock);
mutex_init(&sbi->s_resize_lock);
sb->s_root = NULL;
needs_recovery = (es->s_last_orphan != 0 ||
EXT3_HAS_INCOMPAT_FEATURE(sb,
EXT3_FEATURE_INCOMPAT_RECOVER));
/*
* The first inode we look at is the journal inode. Don't try
* root first: it may be modified in the journal!
*/
if (!test_opt(sb, NOLOAD) &&
EXT3_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
if (ext3_load_journal(sb, es, journal_devnum))
goto failed_mount2;
} else if (journal_inum) {
if (ext3_create_journal(sb, es, journal_inum))
goto failed_mount2;
} else {
if (!silent)
ext3_msg(sb, KERN_ERR,
"error: no journal found. "
"mounting ext3 over ext2?");
goto failed_mount2;
}
err = percpu_counter_init(&sbi->s_freeblocks_counter,
ext3_count_free_blocks(sb));
if (!err) {
err = percpu_counter_init(&sbi->s_freeinodes_counter,
ext3_count_free_inodes(sb));
}
if (!err) {
err = percpu_counter_init(&sbi->s_dirs_counter,
ext3_count_dirs(sb));
}
if (err) {
ext3_msg(sb, KERN_ERR, "error: insufficient memory");
ret = err;
goto failed_mount3;
}
/* We have now updated the journal if required, so we can
* validate the data journaling mode. */
switch (test_opt(sb, DATA_FLAGS)) {
case 0:
/* No mode set, assume a default based on the journal
capabilities: ORDERED_DATA if the journal can
cope, else JOURNAL_DATA */
if (journal_check_available_features
(sbi->s_journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE))
set_opt(sbi->s_mount_opt, DEFAULT_DATA_MODE);
else
set_opt(sbi->s_mount_opt, JOURNAL_DATA);
break;
case EXT3_MOUNT_ORDERED_DATA:
case EXT3_MOUNT_WRITEBACK_DATA:
if (!journal_check_available_features
(sbi->s_journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE)) {
ext3_msg(sb, KERN_ERR,
"error: journal does not support "
"requested data journaling mode");
goto failed_mount3;
}
default:
break;
}
/*
* The journal_load will have done any necessary log recovery,
* so we can safely mount the rest of the filesystem now.
*/
root = ext3_iget(sb, EXT3_ROOT_INO);
if (IS_ERR(root)) {
ext3_msg(sb, KERN_ERR, "error: get root inode failed");
ret = PTR_ERR(root);
goto failed_mount3;
}
if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
iput(root);
ext3_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck");
goto failed_mount3;
}
sb->s_root = d_make_root(root);
if (!sb->s_root) {
ext3_msg(sb, KERN_ERR, "error: get root dentry failed");
ret = -ENOMEM;
goto failed_mount3;
}
if (ext3_setup_super(sb, es, sb->s_flags & MS_RDONLY))
sb->s_flags |= MS_RDONLY;
EXT3_SB(sb)->s_mount_state |= EXT3_ORPHAN_FS;
ext3_orphan_cleanup(sb, es);
EXT3_SB(sb)->s_mount_state &= ~EXT3_ORPHAN_FS;
if (needs_recovery) {
ext3_mark_recovery_complete(sb, es);
ext3_msg(sb, KERN_INFO, "recovery complete");
}
ext3_msg(sb, KERN_INFO, "mounted filesystem with %s data mode",
test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_JOURNAL_DATA ? "journal":
test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA ? "ordered":
"writeback");
sb->s_flags |= MS_SNAP_STABLE;
return 0;
cantfind_ext3:
if (!silent)
ext3_msg(sb, KERN_INFO,
"error: can't find ext3 filesystem on dev %s.",
sb->s_id);
goto failed_mount;
failed_mount3:
percpu_counter_destroy(&sbi->s_freeblocks_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);
journal_destroy(sbi->s_journal);
failed_mount2:
for (i = 0; i < db_count; i++)
brelse(sbi->s_group_desc[i]);
kfree(sbi->s_group_desc);
failed_mount:
#ifdef CONFIG_QUOTA
for (i = 0; i < MAXQUOTAS; i++)
kfree(sbi->s_qf_names[i]);
#endif
ext3_blkdev_remove(sbi);
brelse(bh);
out_fail:
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
return ret;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,406 | int ext3_force_commit(struct super_block *sb)
{
journal_t *journal;
int ret;
if (sb->s_flags & MS_RDONLY)
return 0;
journal = EXT3_SB(sb)->s_journal;
ret = ext3_journal_force_commit(journal);
return ret;
}
| +Priv | 0 | int ext3_force_commit(struct super_block *sb)
{
journal_t *journal;
int ret;
if (sb->s_flags & MS_RDONLY)
return 0;
journal = EXT3_SB(sb)->s_journal;
ret = ext3_journal_force_commit(journal);
return ret;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,407 | static int ext3_freeze(struct super_block *sb)
{
int error = 0;
journal_t *journal;
if (!(sb->s_flags & MS_RDONLY)) {
journal = EXT3_SB(sb)->s_journal;
/* Now we set up the journal barrier. */
journal_lock_updates(journal);
/*
* We don't want to clear needs_recovery flag when we failed
* to flush the journal.
*/
error = journal_flush(journal);
if (error < 0)
goto out;
/* Journal blocked and flushed, clear needs_recovery flag. */
EXT3_CLEAR_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
error = ext3_commit_super(sb, EXT3_SB(sb)->s_es, 1);
if (error)
goto out;
}
return 0;
out:
journal_unlock_updates(journal);
return error;
}
| +Priv | 0 | static int ext3_freeze(struct super_block *sb)
{
int error = 0;
journal_t *journal;
if (!(sb->s_flags & MS_RDONLY)) {
journal = EXT3_SB(sb)->s_journal;
/* Now we set up the journal barrier. */
journal_lock_updates(journal);
/*
* We don't want to clear needs_recovery flag when we failed
* to flush the journal.
*/
error = journal_flush(journal);
if (error < 0)
goto out;
/* Journal blocked and flushed, clear needs_recovery flag. */
EXT3_CLEAR_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
error = ext3_commit_super(sb, EXT3_SB(sb)->s_es, 1);
if (error)
goto out;
}
return 0;
out:
journal_unlock_updates(journal);
return error;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,408 | static journal_t *ext3_get_dev_journal(struct super_block *sb,
dev_t j_dev)
{
struct buffer_head * bh;
journal_t *journal;
ext3_fsblk_t start;
ext3_fsblk_t len;
int hblock, blocksize;
ext3_fsblk_t sb_block;
unsigned long offset;
struct ext3_super_block * es;
struct block_device *bdev;
bdev = ext3_blkdev_get(j_dev, sb);
if (bdev == NULL)
return NULL;
blocksize = sb->s_blocksize;
hblock = bdev_logical_block_size(bdev);
if (blocksize < hblock) {
ext3_msg(sb, KERN_ERR,
"error: blocksize too small for journal device");
goto out_bdev;
}
sb_block = EXT3_MIN_BLOCK_SIZE / blocksize;
offset = EXT3_MIN_BLOCK_SIZE % blocksize;
set_blocksize(bdev, blocksize);
if (!(bh = __bread(bdev, sb_block, blocksize))) {
ext3_msg(sb, KERN_ERR, "error: couldn't read superblock of "
"external journal");
goto out_bdev;
}
es = (struct ext3_super_block *) (bh->b_data + offset);
if ((le16_to_cpu(es->s_magic) != EXT3_SUPER_MAGIC) ||
!(le32_to_cpu(es->s_feature_incompat) &
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
ext3_msg(sb, KERN_ERR, "error: external journal has "
"bad superblock");
brelse(bh);
goto out_bdev;
}
if (memcmp(EXT3_SB(sb)->s_es->s_journal_uuid, es->s_uuid, 16)) {
ext3_msg(sb, KERN_ERR, "error: journal UUID does not match");
brelse(bh);
goto out_bdev;
}
len = le32_to_cpu(es->s_blocks_count);
start = sb_block + 1;
brelse(bh); /* we're done with the superblock */
journal = journal_init_dev(bdev, sb->s_bdev,
start, len, blocksize);
if (!journal) {
ext3_msg(sb, KERN_ERR,
"error: failed to create device journal");
goto out_bdev;
}
journal->j_private = sb;
if (!bh_uptodate_or_lock(journal->j_sb_buffer)) {
if (bh_submit_read(journal->j_sb_buffer)) {
ext3_msg(sb, KERN_ERR, "I/O error on journal device");
goto out_journal;
}
}
if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {
ext3_msg(sb, KERN_ERR,
"error: external journal has more than one "
"user (unsupported) - %d",
be32_to_cpu(journal->j_superblock->s_nr_users));
goto out_journal;
}
EXT3_SB(sb)->journal_bdev = bdev;
ext3_init_journal_params(sb, journal);
return journal;
out_journal:
journal_destroy(journal);
out_bdev:
ext3_blkdev_put(bdev);
return NULL;
}
| +Priv | 0 | static journal_t *ext3_get_dev_journal(struct super_block *sb,
dev_t j_dev)
{
struct buffer_head * bh;
journal_t *journal;
ext3_fsblk_t start;
ext3_fsblk_t len;
int hblock, blocksize;
ext3_fsblk_t sb_block;
unsigned long offset;
struct ext3_super_block * es;
struct block_device *bdev;
bdev = ext3_blkdev_get(j_dev, sb);
if (bdev == NULL)
return NULL;
blocksize = sb->s_blocksize;
hblock = bdev_logical_block_size(bdev);
if (blocksize < hblock) {
ext3_msg(sb, KERN_ERR,
"error: blocksize too small for journal device");
goto out_bdev;
}
sb_block = EXT3_MIN_BLOCK_SIZE / blocksize;
offset = EXT3_MIN_BLOCK_SIZE % blocksize;
set_blocksize(bdev, blocksize);
if (!(bh = __bread(bdev, sb_block, blocksize))) {
ext3_msg(sb, KERN_ERR, "error: couldn't read superblock of "
"external journal");
goto out_bdev;
}
es = (struct ext3_super_block *) (bh->b_data + offset);
if ((le16_to_cpu(es->s_magic) != EXT3_SUPER_MAGIC) ||
!(le32_to_cpu(es->s_feature_incompat) &
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
ext3_msg(sb, KERN_ERR, "error: external journal has "
"bad superblock");
brelse(bh);
goto out_bdev;
}
if (memcmp(EXT3_SB(sb)->s_es->s_journal_uuid, es->s_uuid, 16)) {
ext3_msg(sb, KERN_ERR, "error: journal UUID does not match");
brelse(bh);
goto out_bdev;
}
len = le32_to_cpu(es->s_blocks_count);
start = sb_block + 1;
brelse(bh); /* we're done with the superblock */
journal = journal_init_dev(bdev, sb->s_bdev,
start, len, blocksize);
if (!journal) {
ext3_msg(sb, KERN_ERR,
"error: failed to create device journal");
goto out_bdev;
}
journal->j_private = sb;
if (!bh_uptodate_or_lock(journal->j_sb_buffer)) {
if (bh_submit_read(journal->j_sb_buffer)) {
ext3_msg(sb, KERN_ERR, "I/O error on journal device");
goto out_journal;
}
}
if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {
ext3_msg(sb, KERN_ERR,
"error: external journal has more than one "
"user (unsupported) - %d",
be32_to_cpu(journal->j_superblock->s_nr_users));
goto out_journal;
}
EXT3_SB(sb)->journal_bdev = bdev;
ext3_init_journal_params(sb, journal);
return journal;
out_journal:
journal_destroy(journal);
out_bdev:
ext3_blkdev_put(bdev);
return NULL;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,409 | static journal_t *ext3_get_journal(struct super_block *sb,
unsigned int journal_inum)
{
struct inode *journal_inode;
journal_t *journal;
/* First, test for the existence of a valid inode on disk. Bad
* things happen if we iget() an unused inode, as the subsequent
* iput() will try to delete it. */
journal_inode = ext3_iget(sb, journal_inum);
if (IS_ERR(journal_inode)) {
ext3_msg(sb, KERN_ERR, "error: no journal found");
return NULL;
}
if (!journal_inode->i_nlink) {
make_bad_inode(journal_inode);
iput(journal_inode);
ext3_msg(sb, KERN_ERR, "error: journal inode is deleted");
return NULL;
}
jbd_debug(2, "Journal inode found at %p: %Ld bytes\n",
journal_inode, journal_inode->i_size);
if (!S_ISREG(journal_inode->i_mode)) {
ext3_msg(sb, KERN_ERR, "error: invalid journal inode");
iput(journal_inode);
return NULL;
}
journal = journal_init_inode(journal_inode);
if (!journal) {
ext3_msg(sb, KERN_ERR, "error: could not load journal inode");
iput(journal_inode);
return NULL;
}
journal->j_private = sb;
ext3_init_journal_params(sb, journal);
return journal;
}
| +Priv | 0 | static journal_t *ext3_get_journal(struct super_block *sb,
unsigned int journal_inum)
{
struct inode *journal_inode;
journal_t *journal;
/* First, test for the existence of a valid inode on disk. Bad
* things happen if we iget() an unused inode, as the subsequent
* iput() will try to delete it. */
journal_inode = ext3_iget(sb, journal_inum);
if (IS_ERR(journal_inode)) {
ext3_msg(sb, KERN_ERR, "error: no journal found");
return NULL;
}
if (!journal_inode->i_nlink) {
make_bad_inode(journal_inode);
iput(journal_inode);
ext3_msg(sb, KERN_ERR, "error: journal inode is deleted");
return NULL;
}
jbd_debug(2, "Journal inode found at %p: %Ld bytes\n",
journal_inode, journal_inode->i_size);
if (!S_ISREG(journal_inode->i_mode)) {
ext3_msg(sb, KERN_ERR, "error: invalid journal inode");
iput(journal_inode);
return NULL;
}
journal = journal_init_inode(journal_inode);
if (!journal) {
ext3_msg(sb, KERN_ERR, "error: could not load journal inode");
iput(journal_inode);
return NULL;
}
journal->j_private = sb;
ext3_init_journal_params(sb, journal);
return journal;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,410 | static void ext3_handle_error(struct super_block *sb)
{
struct ext3_super_block *es = EXT3_SB(sb)->s_es;
EXT3_SB(sb)->s_mount_state |= EXT3_ERROR_FS;
es->s_state |= cpu_to_le16(EXT3_ERROR_FS);
if (sb->s_flags & MS_RDONLY)
return;
if (!test_opt (sb, ERRORS_CONT)) {
journal_t *journal = EXT3_SB(sb)->s_journal;
set_opt(EXT3_SB(sb)->s_mount_opt, ABORT);
if (journal)
journal_abort(journal, -EIO);
}
if (test_opt (sb, ERRORS_RO)) {
ext3_msg(sb, KERN_CRIT,
"error: remounting filesystem read-only");
sb->s_flags |= MS_RDONLY;
}
ext3_commit_super(sb, es, 1);
if (test_opt(sb, ERRORS_PANIC))
panic("EXT3-fs (%s): panic forced after error\n",
sb->s_id);
}
| +Priv | 0 | static void ext3_handle_error(struct super_block *sb)
{
struct ext3_super_block *es = EXT3_SB(sb)->s_es;
EXT3_SB(sb)->s_mount_state |= EXT3_ERROR_FS;
es->s_state |= cpu_to_le16(EXT3_ERROR_FS);
if (sb->s_flags & MS_RDONLY)
return;
if (!test_opt (sb, ERRORS_CONT)) {
journal_t *journal = EXT3_SB(sb)->s_journal;
set_opt(EXT3_SB(sb)->s_mount_opt, ABORT);
if (journal)
journal_abort(journal, -EIO);
}
if (test_opt (sb, ERRORS_RO)) {
ext3_msg(sb, KERN_CRIT,
"error: remounting filesystem read-only");
sb->s_flags |= MS_RDONLY;
}
ext3_commit_super(sb, es, 1);
if (test_opt(sb, ERRORS_PANIC))
panic("EXT3-fs (%s): panic forced after error\n",
sb->s_id);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,411 | static void ext3_i_callback(struct rcu_head *head)
{
struct inode *inode = container_of(head, struct inode, i_rcu);
kmem_cache_free(ext3_inode_cachep, EXT3_I(inode));
}
| +Priv | 0 | static void ext3_i_callback(struct rcu_head *head)
{
struct inode *inode = container_of(head, struct inode, i_rcu);
kmem_cache_free(ext3_inode_cachep, EXT3_I(inode));
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,412 | void ext3_journal_abort_handle(const char *caller, const char *err_fn,
struct buffer_head *bh, handle_t *handle, int err)
{
char nbuf[16];
const char *errstr = ext3_decode_error(NULL, err, nbuf);
if (bh)
BUFFER_TRACE(bh, "abort");
if (!handle->h_err)
handle->h_err = err;
if (is_handle_aborted(handle))
return;
printk(KERN_ERR "EXT3-fs: %s: aborting transaction: %s in %s\n",
caller, errstr, err_fn);
journal_abort_handle(handle);
}
| +Priv | 0 | void ext3_journal_abort_handle(const char *caller, const char *err_fn,
struct buffer_head *bh, handle_t *handle, int err)
{
char nbuf[16];
const char *errstr = ext3_decode_error(NULL, err, nbuf);
if (bh)
BUFFER_TRACE(bh, "abort");
if (!handle->h_err)
handle->h_err = err;
if (is_handle_aborted(handle))
return;
printk(KERN_ERR "EXT3-fs: %s: aborting transaction: %s in %s\n",
caller, errstr, err_fn);
journal_abort_handle(handle);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,413 | handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks)
{
journal_t *journal;
if (sb->s_flags & MS_RDONLY)
return ERR_PTR(-EROFS);
/* Special case here: if the journal has aborted behind our
* backs (eg. EIO in the commit thread), then we still need to
* take the FS itself readonly cleanly. */
journal = EXT3_SB(sb)->s_journal;
if (is_journal_aborted(journal)) {
ext3_abort(sb, __func__,
"Detected aborted journal");
return ERR_PTR(-EROFS);
}
return journal_start(journal, nblocks);
}
| +Priv | 0 | handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks)
{
journal_t *journal;
if (sb->s_flags & MS_RDONLY)
return ERR_PTR(-EROFS);
/* Special case here: if the journal has aborted behind our
* backs (eg. EIO in the commit thread), then we still need to
* take the FS itself readonly cleanly. */
journal = EXT3_SB(sb)->s_journal;
if (is_journal_aborted(journal)) {
ext3_abort(sb, __func__,
"Detected aborted journal");
return ERR_PTR(-EROFS);
}
return journal_start(journal, nblocks);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,414 | static int ext3_mark_dquot_dirty(struct dquot *dquot)
{
/* Are we journaling quotas? */
if (EXT3_SB(dquot->dq_sb)->s_qf_names[USRQUOTA] ||
EXT3_SB(dquot->dq_sb)->s_qf_names[GRPQUOTA]) {
dquot_mark_dquot_dirty(dquot);
return ext3_write_dquot(dquot);
} else {
return dquot_mark_dquot_dirty(dquot);
}
}
| +Priv | 0 | static int ext3_mark_dquot_dirty(struct dquot *dquot)
{
/* Are we journaling quotas? */
if (EXT3_SB(dquot->dq_sb)->s_qf_names[USRQUOTA] ||
EXT3_SB(dquot->dq_sb)->s_qf_names[GRPQUOTA]) {
dquot_mark_dquot_dirty(dquot);
return ext3_write_dquot(dquot);
} else {
return dquot_mark_dquot_dirty(dquot);
}
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,415 | static void ext3_mark_recovery_complete(struct super_block * sb,
struct ext3_super_block * es)
{
journal_t *journal = EXT3_SB(sb)->s_journal;
journal_lock_updates(journal);
if (journal_flush(journal) < 0)
goto out;
if (EXT3_HAS_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER) &&
sb->s_flags & MS_RDONLY) {
EXT3_CLEAR_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
ext3_commit_super(sb, es, 1);
}
out:
journal_unlock_updates(journal);
}
| +Priv | 0 | static void ext3_mark_recovery_complete(struct super_block * sb,
struct ext3_super_block * es)
{
journal_t *journal = EXT3_SB(sb)->s_journal;
journal_lock_updates(journal);
if (journal_flush(journal) < 0)
goto out;
if (EXT3_HAS_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER) &&
sb->s_flags & MS_RDONLY) {
EXT3_CLEAR_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
ext3_commit_super(sb, es, 1);
}
out:
journal_unlock_updates(journal);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,416 | static loff_t ext3_max_size(int bits)
{
loff_t res = EXT3_NDIR_BLOCKS;
int meta_blocks;
loff_t upper_limit;
/* This is calculated to be the largest file size for a
* dense, file such that the total number of
* sectors in the file, including data and all indirect blocks,
* does not exceed 2^32 -1
* __u32 i_blocks representing the total number of
* 512 bytes blocks of the file
*/
upper_limit = (1LL << 32) - 1;
/* total blocks in file system block size */
upper_limit >>= (bits - 9);
/* indirect blocks */
meta_blocks = 1;
/* double indirect blocks */
meta_blocks += 1 + (1LL << (bits-2));
/* tripple indirect blocks */
meta_blocks += 1 + (1LL << (bits-2)) + (1LL << (2*(bits-2)));
upper_limit -= meta_blocks;
upper_limit <<= bits;
res += 1LL << (bits-2);
res += 1LL << (2*(bits-2));
res += 1LL << (3*(bits-2));
res <<= bits;
if (res > upper_limit)
res = upper_limit;
if (res > MAX_LFS_FILESIZE)
res = MAX_LFS_FILESIZE;
return res;
}
| +Priv | 0 | static loff_t ext3_max_size(int bits)
{
loff_t res = EXT3_NDIR_BLOCKS;
int meta_blocks;
loff_t upper_limit;
/* This is calculated to be the largest file size for a
* dense, file such that the total number of
* sectors in the file, including data and all indirect blocks,
* does not exceed 2^32 -1
* __u32 i_blocks representing the total number of
* 512 bytes blocks of the file
*/
upper_limit = (1LL << 32) - 1;
/* total blocks in file system block size */
upper_limit >>= (bits - 9);
/* indirect blocks */
meta_blocks = 1;
/* double indirect blocks */
meta_blocks += 1 + (1LL << (bits-2));
/* tripple indirect blocks */
meta_blocks += 1 + (1LL << (bits-2)) + (1LL << (2*(bits-2)));
upper_limit -= meta_blocks;
upper_limit <<= bits;
res += 1LL << (bits-2);
res += 1LL << (2*(bits-2));
res += 1LL << (3*(bits-2));
res <<= bits;
if (res > upper_limit)
res = upper_limit;
if (res > MAX_LFS_FILESIZE)
res = MAX_LFS_FILESIZE;
return res;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,417 | static struct dentry *ext3_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return mount_bdev(fs_type, flags, dev_name, data, ext3_fill_super);
}
| +Priv | 0 | static struct dentry *ext3_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return mount_bdev(fs_type, flags, dev_name, data, ext3_fill_super);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,418 | void ext3_msg(struct super_block *sb, const char *prefix,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
printk("%sEXT3-fs (%s): %pV\n", prefix, sb->s_id, &vaf);
va_end(args);
}
| +Priv | 0 | void ext3_msg(struct super_block *sb, const char *prefix,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
printk("%sEXT3-fs (%s): %pV\n", prefix, sb->s_id, &vaf);
va_end(args);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,419 | static struct inode *ext3_nfs_get_inode(struct super_block *sb,
u64 ino, u32 generation)
{
struct inode *inode;
if (ino < EXT3_FIRST_INO(sb) && ino != EXT3_ROOT_INO)
return ERR_PTR(-ESTALE);
if (ino > le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count))
return ERR_PTR(-ESTALE);
/* iget isn't really right if the inode is currently unallocated!!
*
* ext3_read_inode will return a bad_inode if the inode had been
* deleted, so we should be safe.
*
* Currently we don't know the generation for parent directory, so
* a generation of 0 means "accept any"
*/
inode = ext3_iget(sb, ino);
if (IS_ERR(inode))
return ERR_CAST(inode);
if (generation && inode->i_generation != generation) {
iput(inode);
return ERR_PTR(-ESTALE);
}
return inode;
}
| +Priv | 0 | static struct inode *ext3_nfs_get_inode(struct super_block *sb,
u64 ino, u32 generation)
{
struct inode *inode;
if (ino < EXT3_FIRST_INO(sb) && ino != EXT3_ROOT_INO)
return ERR_PTR(-ESTALE);
if (ino > le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count))
return ERR_PTR(-ESTALE);
/* iget isn't really right if the inode is currently unallocated!!
*
* ext3_read_inode will return a bad_inode if the inode had been
* deleted, so we should be safe.
*
* Currently we don't know the generation for parent directory, so
* a generation of 0 means "accept any"
*/
inode = ext3_iget(sb, ino);
if (IS_ERR(inode))
return ERR_CAST(inode);
if (generation && inode->i_generation != generation) {
iput(inode);
return ERR_PTR(-ESTALE);
}
return inode;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,420 | static void ext3_orphan_cleanup (struct super_block * sb,
struct ext3_super_block * es)
{
unsigned int s_flags = sb->s_flags;
int nr_orphans = 0, nr_truncates = 0;
#ifdef CONFIG_QUOTA
int i;
#endif
if (!es->s_last_orphan) {
jbd_debug(4, "no orphan inodes to clean up\n");
return;
}
if (bdev_read_only(sb->s_bdev)) {
ext3_msg(sb, KERN_ERR, "error: write access "
"unavailable, skipping orphan cleanup.");
return;
}
/* Check if feature set allows readwrite operations */
if (EXT3_HAS_RO_COMPAT_FEATURE(sb, ~EXT3_FEATURE_RO_COMPAT_SUPP)) {
ext3_msg(sb, KERN_INFO, "Skipping orphan cleanup due to "
"unknown ROCOMPAT features");
return;
}
if (EXT3_SB(sb)->s_mount_state & EXT3_ERROR_FS) {
/* don't clear list on RO mount w/ errors */
if (es->s_last_orphan && !(s_flags & MS_RDONLY)) {
jbd_debug(1, "Errors on filesystem, "
"clearing orphan list.\n");
es->s_last_orphan = 0;
}
jbd_debug(1, "Skipping orphan recovery on fs with errors.\n");
return;
}
if (s_flags & MS_RDONLY) {
ext3_msg(sb, KERN_INFO, "orphan cleanup on readonly fs");
sb->s_flags &= ~MS_RDONLY;
}
#ifdef CONFIG_QUOTA
/* Needed for iput() to work correctly and not trash data */
sb->s_flags |= MS_ACTIVE;
/* Turn on quotas so that they are updated correctly */
for (i = 0; i < MAXQUOTAS; i++) {
if (EXT3_SB(sb)->s_qf_names[i]) {
int ret = ext3_quota_on_mount(sb, i);
if (ret < 0)
ext3_msg(sb, KERN_ERR,
"error: cannot turn on journaled "
"quota: %d", ret);
}
}
#endif
while (es->s_last_orphan) {
struct inode *inode;
inode = ext3_orphan_get(sb, le32_to_cpu(es->s_last_orphan));
if (IS_ERR(inode)) {
es->s_last_orphan = 0;
break;
}
list_add(&EXT3_I(inode)->i_orphan, &EXT3_SB(sb)->s_orphan);
dquot_initialize(inode);
if (inode->i_nlink) {
printk(KERN_DEBUG
"%s: truncating inode %lu to %Ld bytes\n",
__func__, inode->i_ino, inode->i_size);
jbd_debug(2, "truncating inode %lu to %Ld bytes\n",
inode->i_ino, inode->i_size);
ext3_truncate(inode);
nr_truncates++;
} else {
printk(KERN_DEBUG
"%s: deleting unreferenced inode %lu\n",
__func__, inode->i_ino);
jbd_debug(2, "deleting unreferenced inode %lu\n",
inode->i_ino);
nr_orphans++;
}
iput(inode); /* The delete magic happens here! */
}
#define PLURAL(x) (x), ((x)==1) ? "" : "s"
if (nr_orphans)
ext3_msg(sb, KERN_INFO, "%d orphan inode%s deleted",
PLURAL(nr_orphans));
if (nr_truncates)
ext3_msg(sb, KERN_INFO, "%d truncate%s cleaned up",
PLURAL(nr_truncates));
#ifdef CONFIG_QUOTA
/* Turn quotas off */
for (i = 0; i < MAXQUOTAS; i++) {
if (sb_dqopt(sb)->files[i])
dquot_quota_off(sb, i);
}
#endif
sb->s_flags = s_flags; /* Restore MS_RDONLY status */
}
| +Priv | 0 | static void ext3_orphan_cleanup (struct super_block * sb,
struct ext3_super_block * es)
{
unsigned int s_flags = sb->s_flags;
int nr_orphans = 0, nr_truncates = 0;
#ifdef CONFIG_QUOTA
int i;
#endif
if (!es->s_last_orphan) {
jbd_debug(4, "no orphan inodes to clean up\n");
return;
}
if (bdev_read_only(sb->s_bdev)) {
ext3_msg(sb, KERN_ERR, "error: write access "
"unavailable, skipping orphan cleanup.");
return;
}
/* Check if feature set allows readwrite operations */
if (EXT3_HAS_RO_COMPAT_FEATURE(sb, ~EXT3_FEATURE_RO_COMPAT_SUPP)) {
ext3_msg(sb, KERN_INFO, "Skipping orphan cleanup due to "
"unknown ROCOMPAT features");
return;
}
if (EXT3_SB(sb)->s_mount_state & EXT3_ERROR_FS) {
/* don't clear list on RO mount w/ errors */
if (es->s_last_orphan && !(s_flags & MS_RDONLY)) {
jbd_debug(1, "Errors on filesystem, "
"clearing orphan list.\n");
es->s_last_orphan = 0;
}
jbd_debug(1, "Skipping orphan recovery on fs with errors.\n");
return;
}
if (s_flags & MS_RDONLY) {
ext3_msg(sb, KERN_INFO, "orphan cleanup on readonly fs");
sb->s_flags &= ~MS_RDONLY;
}
#ifdef CONFIG_QUOTA
/* Needed for iput() to work correctly and not trash data */
sb->s_flags |= MS_ACTIVE;
/* Turn on quotas so that they are updated correctly */
for (i = 0; i < MAXQUOTAS; i++) {
if (EXT3_SB(sb)->s_qf_names[i]) {
int ret = ext3_quota_on_mount(sb, i);
if (ret < 0)
ext3_msg(sb, KERN_ERR,
"error: cannot turn on journaled "
"quota: %d", ret);
}
}
#endif
while (es->s_last_orphan) {
struct inode *inode;
inode = ext3_orphan_get(sb, le32_to_cpu(es->s_last_orphan));
if (IS_ERR(inode)) {
es->s_last_orphan = 0;
break;
}
list_add(&EXT3_I(inode)->i_orphan, &EXT3_SB(sb)->s_orphan);
dquot_initialize(inode);
if (inode->i_nlink) {
printk(KERN_DEBUG
"%s: truncating inode %lu to %Ld bytes\n",
__func__, inode->i_ino, inode->i_size);
jbd_debug(2, "truncating inode %lu to %Ld bytes\n",
inode->i_ino, inode->i_size);
ext3_truncate(inode);
nr_truncates++;
} else {
printk(KERN_DEBUG
"%s: deleting unreferenced inode %lu\n",
__func__, inode->i_ino);
jbd_debug(2, "deleting unreferenced inode %lu\n",
inode->i_ino);
nr_orphans++;
}
iput(inode); /* The delete magic happens here! */
}
#define PLURAL(x) (x), ((x)==1) ? "" : "s"
if (nr_orphans)
ext3_msg(sb, KERN_INFO, "%d orphan inode%s deleted",
PLURAL(nr_orphans));
if (nr_truncates)
ext3_msg(sb, KERN_INFO, "%d truncate%s cleaned up",
PLURAL(nr_truncates));
#ifdef CONFIG_QUOTA
/* Turn quotas off */
for (i = 0; i < MAXQUOTAS; i++) {
if (sb_dqopt(sb)->files[i])
dquot_quota_off(sb, i);
}
#endif
sb->s_flags = s_flags; /* Restore MS_RDONLY status */
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,421 | static int ext3_quota_on(struct super_block *sb, int type, int format_id,
struct path *path)
{
int err;
if (!test_opt(sb, QUOTA))
return -EINVAL;
/* Quotafile not on the same filesystem? */
if (path->dentry->d_sb != sb)
return -EXDEV;
/* Journaling quota? */
if (EXT3_SB(sb)->s_qf_names[type]) {
/* Quotafile not of fs root? */
if (path->dentry->d_parent != sb->s_root)
ext3_msg(sb, KERN_WARNING,
"warning: Quota file not on filesystem root. "
"Journaled quota will not work.");
}
/*
* When we journal data on quota file, we have to flush journal to see
* all updates to the file when we bypass pagecache...
*/
if (ext3_should_journal_data(path->dentry->d_inode)) {
/*
* We don't need to lock updates but journal_flush() could
* otherwise be livelocked...
*/
journal_lock_updates(EXT3_SB(sb)->s_journal);
err = journal_flush(EXT3_SB(sb)->s_journal);
journal_unlock_updates(EXT3_SB(sb)->s_journal);
if (err)
return err;
}
return dquot_quota_on(sb, type, format_id, path);
}
| +Priv | 0 | static int ext3_quota_on(struct super_block *sb, int type, int format_id,
struct path *path)
{
int err;
if (!test_opt(sb, QUOTA))
return -EINVAL;
/* Quotafile not on the same filesystem? */
if (path->dentry->d_sb != sb)
return -EXDEV;
/* Journaling quota? */
if (EXT3_SB(sb)->s_qf_names[type]) {
/* Quotafile not of fs root? */
if (path->dentry->d_parent != sb->s_root)
ext3_msg(sb, KERN_WARNING,
"warning: Quota file not on filesystem root. "
"Journaled quota will not work.");
}
/*
* When we journal data on quota file, we have to flush journal to see
* all updates to the file when we bypass pagecache...
*/
if (ext3_should_journal_data(path->dentry->d_inode)) {
/*
* We don't need to lock updates but journal_flush() could
* otherwise be livelocked...
*/
journal_lock_updates(EXT3_SB(sb)->s_journal);
err = journal_flush(EXT3_SB(sb)->s_journal);
journal_unlock_updates(EXT3_SB(sb)->s_journal);
if (err)
return err;
}
return dquot_quota_on(sb, type, format_id, path);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,422 | static int ext3_quota_on_mount(struct super_block *sb, int type)
{
return dquot_quota_on_mount(sb, EXT3_SB(sb)->s_qf_names[type],
EXT3_SB(sb)->s_jquota_fmt, type);
}
| +Priv | 0 | static int ext3_quota_on_mount(struct super_block *sb, int type)
{
return dquot_quota_on_mount(sb, EXT3_SB(sb)->s_qf_names[type],
EXT3_SB(sb)->s_jquota_fmt, type);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,423 | static ssize_t ext3_quota_write(struct super_block *sb, int type,
const char *data, size_t len, loff_t off)
{
struct inode *inode = sb_dqopt(sb)->files[type];
sector_t blk = off >> EXT3_BLOCK_SIZE_BITS(sb);
int err = 0;
int offset = off & (sb->s_blocksize - 1);
int journal_quota = EXT3_SB(sb)->s_qf_names[type] != NULL;
struct buffer_head *bh;
handle_t *handle = journal_current_handle();
if (!handle) {
ext3_msg(sb, KERN_WARNING,
"warning: quota write (off=%llu, len=%llu)"
" cancelled because transaction is not started.",
(unsigned long long)off, (unsigned long long)len);
return -EIO;
}
/*
* Since we account only one data block in transaction credits,
* then it is impossible to cross a block boundary.
*/
if (sb->s_blocksize - offset < len) {
ext3_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
" cancelled because not block aligned",
(unsigned long long)off, (unsigned long long)len);
return -EIO;
}
bh = ext3_bread(handle, inode, blk, 1, &err);
if (!bh)
goto out;
if (journal_quota) {
err = ext3_journal_get_write_access(handle, bh);
if (err) {
brelse(bh);
goto out;
}
}
lock_buffer(bh);
memcpy(bh->b_data+offset, data, len);
flush_dcache_page(bh->b_page);
unlock_buffer(bh);
if (journal_quota)
err = ext3_journal_dirty_metadata(handle, bh);
else {
/* Always do at least ordered writes for quotas */
err = ext3_journal_dirty_data(handle, bh);
mark_buffer_dirty(bh);
}
brelse(bh);
out:
if (err)
return err;
if (inode->i_size < off + len) {
i_size_write(inode, off + len);
EXT3_I(inode)->i_disksize = inode->i_size;
}
inode->i_version++;
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
ext3_mark_inode_dirty(handle, inode);
return len;
}
| +Priv | 0 | static ssize_t ext3_quota_write(struct super_block *sb, int type,
const char *data, size_t len, loff_t off)
{
struct inode *inode = sb_dqopt(sb)->files[type];
sector_t blk = off >> EXT3_BLOCK_SIZE_BITS(sb);
int err = 0;
int offset = off & (sb->s_blocksize - 1);
int journal_quota = EXT3_SB(sb)->s_qf_names[type] != NULL;
struct buffer_head *bh;
handle_t *handle = journal_current_handle();
if (!handle) {
ext3_msg(sb, KERN_WARNING,
"warning: quota write (off=%llu, len=%llu)"
" cancelled because transaction is not started.",
(unsigned long long)off, (unsigned long long)len);
return -EIO;
}
/*
* Since we account only one data block in transaction credits,
* then it is impossible to cross a block boundary.
*/
if (sb->s_blocksize - offset < len) {
ext3_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
" cancelled because not block aligned",
(unsigned long long)off, (unsigned long long)len);
return -EIO;
}
bh = ext3_bread(handle, inode, blk, 1, &err);
if (!bh)
goto out;
if (journal_quota) {
err = ext3_journal_get_write_access(handle, bh);
if (err) {
brelse(bh);
goto out;
}
}
lock_buffer(bh);
memcpy(bh->b_data+offset, data, len);
flush_dcache_page(bh->b_page);
unlock_buffer(bh);
if (journal_quota)
err = ext3_journal_dirty_metadata(handle, bh);
else {
/* Always do at least ordered writes for quotas */
err = ext3_journal_dirty_data(handle, bh);
mark_buffer_dirty(bh);
}
brelse(bh);
out:
if (err)
return err;
if (inode->i_size < off + len) {
i_size_write(inode, off + len);
EXT3_I(inode)->i_disksize = inode->i_size;
}
inode->i_version++;
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
ext3_mark_inode_dirty(handle, inode);
return len;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,424 | static int ext3_remount (struct super_block * sb, int * flags, char * data)
{
struct ext3_super_block * es;
struct ext3_sb_info *sbi = EXT3_SB(sb);
ext3_fsblk_t n_blocks_count = 0;
unsigned long old_sb_flags;
struct ext3_mount_options old_opts;
int enable_quota = 0;
int err;
#ifdef CONFIG_QUOTA
int i;
#endif
/* Store the original options */
old_sb_flags = sb->s_flags;
old_opts.s_mount_opt = sbi->s_mount_opt;
old_opts.s_resuid = sbi->s_resuid;
old_opts.s_resgid = sbi->s_resgid;
old_opts.s_commit_interval = sbi->s_commit_interval;
#ifdef CONFIG_QUOTA
old_opts.s_jquota_fmt = sbi->s_jquota_fmt;
for (i = 0; i < MAXQUOTAS; i++)
if (sbi->s_qf_names[i]) {
old_opts.s_qf_names[i] = kstrdup(sbi->s_qf_names[i],
GFP_KERNEL);
if (!old_opts.s_qf_names[i]) {
int j;
for (j = 0; j < i; j++)
kfree(old_opts.s_qf_names[j]);
return -ENOMEM;
}
} else
old_opts.s_qf_names[i] = NULL;
#endif
/*
* Allow the "check" option to be passed as a remount option.
*/
if (!parse_options(data, sb, NULL, NULL, &n_blocks_count, 1)) {
err = -EINVAL;
goto restore_opts;
}
if (test_opt(sb, ABORT))
ext3_abort(sb, __func__, "Abort forced by user");
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
es = sbi->s_es;
ext3_init_journal_params(sb, sbi->s_journal);
if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY) ||
n_blocks_count > le32_to_cpu(es->s_blocks_count)) {
if (test_opt(sb, ABORT)) {
err = -EROFS;
goto restore_opts;
}
if (*flags & MS_RDONLY) {
err = dquot_suspend(sb, -1);
if (err < 0)
goto restore_opts;
/*
* First of all, the unconditional stuff we have to do
* to disable replay of the journal when we next remount
*/
sb->s_flags |= MS_RDONLY;
/*
* OK, test if we are remounting a valid rw partition
* readonly, and if so set the rdonly flag and then
* mark the partition as valid again.
*/
if (!(es->s_state & cpu_to_le16(EXT3_VALID_FS)) &&
(sbi->s_mount_state & EXT3_VALID_FS))
es->s_state = cpu_to_le16(sbi->s_mount_state);
ext3_mark_recovery_complete(sb, es);
} else {
__le32 ret;
if ((ret = EXT3_HAS_RO_COMPAT_FEATURE(sb,
~EXT3_FEATURE_RO_COMPAT_SUPP))) {
ext3_msg(sb, KERN_WARNING,
"warning: couldn't remount RDWR "
"because of unsupported optional "
"features (%x)", le32_to_cpu(ret));
err = -EROFS;
goto restore_opts;
}
/*
* If we have an unprocessed orphan list hanging
* around from a previously readonly bdev mount,
* require a full umount & mount for now.
*/
if (es->s_last_orphan) {
ext3_msg(sb, KERN_WARNING, "warning: couldn't "
"remount RDWR because of unprocessed "
"orphan inode list. Please "
"umount & mount instead.");
err = -EINVAL;
goto restore_opts;
}
/*
* Mounting a RDONLY partition read-write, so reread
* and store the current valid flag. (It may have
* been changed by e2fsck since we originally mounted
* the partition.)
*/
ext3_clear_journal_err(sb, es);
sbi->s_mount_state = le16_to_cpu(es->s_state);
if ((err = ext3_group_extend(sb, es, n_blocks_count)))
goto restore_opts;
if (!ext3_setup_super (sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
enable_quota = 1;
}
}
#ifdef CONFIG_QUOTA
/* Release old quota file names */
for (i = 0; i < MAXQUOTAS; i++)
kfree(old_opts.s_qf_names[i]);
#endif
if (enable_quota)
dquot_resume(sb, -1);
return 0;
restore_opts:
sb->s_flags = old_sb_flags;
sbi->s_mount_opt = old_opts.s_mount_opt;
sbi->s_resuid = old_opts.s_resuid;
sbi->s_resgid = old_opts.s_resgid;
sbi->s_commit_interval = old_opts.s_commit_interval;
#ifdef CONFIG_QUOTA
sbi->s_jquota_fmt = old_opts.s_jquota_fmt;
for (i = 0; i < MAXQUOTAS; i++) {
kfree(sbi->s_qf_names[i]);
sbi->s_qf_names[i] = old_opts.s_qf_names[i];
}
#endif
return err;
}
| +Priv | 0 | static int ext3_remount (struct super_block * sb, int * flags, char * data)
{
struct ext3_super_block * es;
struct ext3_sb_info *sbi = EXT3_SB(sb);
ext3_fsblk_t n_blocks_count = 0;
unsigned long old_sb_flags;
struct ext3_mount_options old_opts;
int enable_quota = 0;
int err;
#ifdef CONFIG_QUOTA
int i;
#endif
/* Store the original options */
old_sb_flags = sb->s_flags;
old_opts.s_mount_opt = sbi->s_mount_opt;
old_opts.s_resuid = sbi->s_resuid;
old_opts.s_resgid = sbi->s_resgid;
old_opts.s_commit_interval = sbi->s_commit_interval;
#ifdef CONFIG_QUOTA
old_opts.s_jquota_fmt = sbi->s_jquota_fmt;
for (i = 0; i < MAXQUOTAS; i++)
if (sbi->s_qf_names[i]) {
old_opts.s_qf_names[i] = kstrdup(sbi->s_qf_names[i],
GFP_KERNEL);
if (!old_opts.s_qf_names[i]) {
int j;
for (j = 0; j < i; j++)
kfree(old_opts.s_qf_names[j]);
return -ENOMEM;
}
} else
old_opts.s_qf_names[i] = NULL;
#endif
/*
* Allow the "check" option to be passed as a remount option.
*/
if (!parse_options(data, sb, NULL, NULL, &n_blocks_count, 1)) {
err = -EINVAL;
goto restore_opts;
}
if (test_opt(sb, ABORT))
ext3_abort(sb, __func__, "Abort forced by user");
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
es = sbi->s_es;
ext3_init_journal_params(sb, sbi->s_journal);
if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY) ||
n_blocks_count > le32_to_cpu(es->s_blocks_count)) {
if (test_opt(sb, ABORT)) {
err = -EROFS;
goto restore_opts;
}
if (*flags & MS_RDONLY) {
err = dquot_suspend(sb, -1);
if (err < 0)
goto restore_opts;
/*
* First of all, the unconditional stuff we have to do
* to disable replay of the journal when we next remount
*/
sb->s_flags |= MS_RDONLY;
/*
* OK, test if we are remounting a valid rw partition
* readonly, and if so set the rdonly flag and then
* mark the partition as valid again.
*/
if (!(es->s_state & cpu_to_le16(EXT3_VALID_FS)) &&
(sbi->s_mount_state & EXT3_VALID_FS))
es->s_state = cpu_to_le16(sbi->s_mount_state);
ext3_mark_recovery_complete(sb, es);
} else {
__le32 ret;
if ((ret = EXT3_HAS_RO_COMPAT_FEATURE(sb,
~EXT3_FEATURE_RO_COMPAT_SUPP))) {
ext3_msg(sb, KERN_WARNING,
"warning: couldn't remount RDWR "
"because of unsupported optional "
"features (%x)", le32_to_cpu(ret));
err = -EROFS;
goto restore_opts;
}
/*
* If we have an unprocessed orphan list hanging
* around from a previously readonly bdev mount,
* require a full umount & mount for now.
*/
if (es->s_last_orphan) {
ext3_msg(sb, KERN_WARNING, "warning: couldn't "
"remount RDWR because of unprocessed "
"orphan inode list. Please "
"umount & mount instead.");
err = -EINVAL;
goto restore_opts;
}
/*
* Mounting a RDONLY partition read-write, so reread
* and store the current valid flag. (It may have
* been changed by e2fsck since we originally mounted
* the partition.)
*/
ext3_clear_journal_err(sb, es);
sbi->s_mount_state = le16_to_cpu(es->s_state);
if ((err = ext3_group_extend(sb, es, n_blocks_count)))
goto restore_opts;
if (!ext3_setup_super (sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
enable_quota = 1;
}
}
#ifdef CONFIG_QUOTA
/* Release old quota file names */
for (i = 0; i < MAXQUOTAS; i++)
kfree(old_opts.s_qf_names[i]);
#endif
if (enable_quota)
dquot_resume(sb, -1);
return 0;
restore_opts:
sb->s_flags = old_sb_flags;
sbi->s_mount_opt = old_opts.s_mount_opt;
sbi->s_resuid = old_opts.s_resuid;
sbi->s_resgid = old_opts.s_resgid;
sbi->s_commit_interval = old_opts.s_commit_interval;
#ifdef CONFIG_QUOTA
sbi->s_jquota_fmt = old_opts.s_jquota_fmt;
for (i = 0; i < MAXQUOTAS; i++) {
kfree(sbi->s_qf_names[i]);
sbi->s_qf_names[i] = old_opts.s_qf_names[i];
}
#endif
return err;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,425 | static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
int read_only)
{
struct ext3_sb_info *sbi = EXT3_SB(sb);
int res = 0;
if (le32_to_cpu(es->s_rev_level) > EXT3_MAX_SUPP_REV) {
ext3_msg(sb, KERN_ERR,
"error: revision level too high, "
"forcing read-only mode");
res = MS_RDONLY;
}
if (read_only)
return res;
if (!(sbi->s_mount_state & EXT3_VALID_FS))
ext3_msg(sb, KERN_WARNING,
"warning: mounting unchecked fs, "
"running e2fsck is recommended");
else if ((sbi->s_mount_state & EXT3_ERROR_FS))
ext3_msg(sb, KERN_WARNING,
"warning: mounting fs with errors, "
"running e2fsck is recommended");
else if ((__s16) le16_to_cpu(es->s_max_mnt_count) > 0 &&
le16_to_cpu(es->s_mnt_count) >=
le16_to_cpu(es->s_max_mnt_count))
ext3_msg(sb, KERN_WARNING,
"warning: maximal mount count reached, "
"running e2fsck is recommended");
else if (le32_to_cpu(es->s_checkinterval) &&
(le32_to_cpu(es->s_lastcheck) +
le32_to_cpu(es->s_checkinterval) <= get_seconds()))
ext3_msg(sb, KERN_WARNING,
"warning: checktime reached, "
"running e2fsck is recommended");
#if 0
/* @@@ We _will_ want to clear the valid bit if we find
inconsistencies, to force a fsck at reboot. But for
a plain journaled filesystem we can keep it set as
valid forever! :) */
es->s_state &= cpu_to_le16(~EXT3_VALID_FS);
#endif
if (!le16_to_cpu(es->s_max_mnt_count))
es->s_max_mnt_count = cpu_to_le16(EXT3_DFL_MAX_MNT_COUNT);
le16_add_cpu(&es->s_mnt_count, 1);
es->s_mtime = cpu_to_le32(get_seconds());
ext3_update_dynamic_rev(sb);
EXT3_SET_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
ext3_commit_super(sb, es, 1);
if (test_opt(sb, DEBUG))
ext3_msg(sb, KERN_INFO, "[bs=%lu, gc=%lu, "
"bpg=%lu, ipg=%lu, mo=%04lx]",
sb->s_blocksize,
sbi->s_groups_count,
EXT3_BLOCKS_PER_GROUP(sb),
EXT3_INODES_PER_GROUP(sb),
sbi->s_mount_opt);
if (EXT3_SB(sb)->s_journal->j_inode == NULL) {
char b[BDEVNAME_SIZE];
ext3_msg(sb, KERN_INFO, "using external journal on %s",
bdevname(EXT3_SB(sb)->s_journal->j_dev, b));
} else {
ext3_msg(sb, KERN_INFO, "using internal journal");
}
cleancache_init_fs(sb);
return res;
}
| +Priv | 0 | static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
int read_only)
{
struct ext3_sb_info *sbi = EXT3_SB(sb);
int res = 0;
if (le32_to_cpu(es->s_rev_level) > EXT3_MAX_SUPP_REV) {
ext3_msg(sb, KERN_ERR,
"error: revision level too high, "
"forcing read-only mode");
res = MS_RDONLY;
}
if (read_only)
return res;
if (!(sbi->s_mount_state & EXT3_VALID_FS))
ext3_msg(sb, KERN_WARNING,
"warning: mounting unchecked fs, "
"running e2fsck is recommended");
else if ((sbi->s_mount_state & EXT3_ERROR_FS))
ext3_msg(sb, KERN_WARNING,
"warning: mounting fs with errors, "
"running e2fsck is recommended");
else if ((__s16) le16_to_cpu(es->s_max_mnt_count) > 0 &&
le16_to_cpu(es->s_mnt_count) >=
le16_to_cpu(es->s_max_mnt_count))
ext3_msg(sb, KERN_WARNING,
"warning: maximal mount count reached, "
"running e2fsck is recommended");
else if (le32_to_cpu(es->s_checkinterval) &&
(le32_to_cpu(es->s_lastcheck) +
le32_to_cpu(es->s_checkinterval) <= get_seconds()))
ext3_msg(sb, KERN_WARNING,
"warning: checktime reached, "
"running e2fsck is recommended");
#if 0
/* @@@ We _will_ want to clear the valid bit if we find
inconsistencies, to force a fsck at reboot. But for
a plain journaled filesystem we can keep it set as
valid forever! :) */
es->s_state &= cpu_to_le16(~EXT3_VALID_FS);
#endif
if (!le16_to_cpu(es->s_max_mnt_count))
es->s_max_mnt_count = cpu_to_le16(EXT3_DFL_MAX_MNT_COUNT);
le16_add_cpu(&es->s_mnt_count, 1);
es->s_mtime = cpu_to_le32(get_seconds());
ext3_update_dynamic_rev(sb);
EXT3_SET_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
ext3_commit_super(sb, es, 1);
if (test_opt(sb, DEBUG))
ext3_msg(sb, KERN_INFO, "[bs=%lu, gc=%lu, "
"bpg=%lu, ipg=%lu, mo=%04lx]",
sb->s_blocksize,
sbi->s_groups_count,
EXT3_BLOCKS_PER_GROUP(sb),
EXT3_INODES_PER_GROUP(sb),
sbi->s_mount_opt);
if (EXT3_SB(sb)->s_journal->j_inode == NULL) {
char b[BDEVNAME_SIZE];
ext3_msg(sb, KERN_INFO, "using external journal on %s",
bdevname(EXT3_SB(sb)->s_journal->j_dev, b));
} else {
ext3_msg(sb, KERN_INFO, "using internal journal");
}
cleancache_init_fs(sb);
return res;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,426 | static int ext3_show_options(struct seq_file *seq, struct dentry *root)
{
struct super_block *sb = root->d_sb;
struct ext3_sb_info *sbi = EXT3_SB(sb);
struct ext3_super_block *es = sbi->s_es;
unsigned long def_mount_opts;
def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
if (sbi->s_sb_block != 1)
seq_printf(seq, ",sb=%lu", sbi->s_sb_block);
if (test_opt(sb, MINIX_DF))
seq_puts(seq, ",minixdf");
if (test_opt(sb, GRPID))
seq_puts(seq, ",grpid");
if (!test_opt(sb, GRPID) && (def_mount_opts & EXT3_DEFM_BSDGROUPS))
seq_puts(seq, ",nogrpid");
if (!uid_eq(sbi->s_resuid, make_kuid(&init_user_ns, EXT3_DEF_RESUID)) ||
le16_to_cpu(es->s_def_resuid) != EXT3_DEF_RESUID) {
seq_printf(seq, ",resuid=%u",
from_kuid_munged(&init_user_ns, sbi->s_resuid));
}
if (!gid_eq(sbi->s_resgid, make_kgid(&init_user_ns, EXT3_DEF_RESGID)) ||
le16_to_cpu(es->s_def_resgid) != EXT3_DEF_RESGID) {
seq_printf(seq, ",resgid=%u",
from_kgid_munged(&init_user_ns, sbi->s_resgid));
}
if (test_opt(sb, ERRORS_RO)) {
int def_errors = le16_to_cpu(es->s_errors);
if (def_errors == EXT3_ERRORS_PANIC ||
def_errors == EXT3_ERRORS_CONTINUE) {
seq_puts(seq, ",errors=remount-ro");
}
}
if (test_opt(sb, ERRORS_CONT))
seq_puts(seq, ",errors=continue");
if (test_opt(sb, ERRORS_PANIC))
seq_puts(seq, ",errors=panic");
if (test_opt(sb, NO_UID32))
seq_puts(seq, ",nouid32");
if (test_opt(sb, DEBUG))
seq_puts(seq, ",debug");
#ifdef CONFIG_EXT3_FS_XATTR
if (test_opt(sb, XATTR_USER))
seq_puts(seq, ",user_xattr");
if (!test_opt(sb, XATTR_USER) &&
(def_mount_opts & EXT3_DEFM_XATTR_USER)) {
seq_puts(seq, ",nouser_xattr");
}
#endif
#ifdef CONFIG_EXT3_FS_POSIX_ACL
if (test_opt(sb, POSIX_ACL))
seq_puts(seq, ",acl");
if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT3_DEFM_ACL))
seq_puts(seq, ",noacl");
#endif
if (!test_opt(sb, RESERVATION))
seq_puts(seq, ",noreservation");
if (sbi->s_commit_interval) {
seq_printf(seq, ",commit=%u",
(unsigned) (sbi->s_commit_interval / HZ));
}
/*
* Always display barrier state so it's clear what the status is.
*/
seq_puts(seq, ",barrier=");
seq_puts(seq, test_opt(sb, BARRIER) ? "1" : "0");
seq_printf(seq, ",data=%s", data_mode_string(test_opt(sb, DATA_FLAGS)));
if (test_opt(sb, DATA_ERR_ABORT))
seq_puts(seq, ",data_err=abort");
if (test_opt(sb, NOLOAD))
seq_puts(seq, ",norecovery");
ext3_show_quota_options(seq, sb);
return 0;
}
| +Priv | 0 | static int ext3_show_options(struct seq_file *seq, struct dentry *root)
{
struct super_block *sb = root->d_sb;
struct ext3_sb_info *sbi = EXT3_SB(sb);
struct ext3_super_block *es = sbi->s_es;
unsigned long def_mount_opts;
def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
if (sbi->s_sb_block != 1)
seq_printf(seq, ",sb=%lu", sbi->s_sb_block);
if (test_opt(sb, MINIX_DF))
seq_puts(seq, ",minixdf");
if (test_opt(sb, GRPID))
seq_puts(seq, ",grpid");
if (!test_opt(sb, GRPID) && (def_mount_opts & EXT3_DEFM_BSDGROUPS))
seq_puts(seq, ",nogrpid");
if (!uid_eq(sbi->s_resuid, make_kuid(&init_user_ns, EXT3_DEF_RESUID)) ||
le16_to_cpu(es->s_def_resuid) != EXT3_DEF_RESUID) {
seq_printf(seq, ",resuid=%u",
from_kuid_munged(&init_user_ns, sbi->s_resuid));
}
if (!gid_eq(sbi->s_resgid, make_kgid(&init_user_ns, EXT3_DEF_RESGID)) ||
le16_to_cpu(es->s_def_resgid) != EXT3_DEF_RESGID) {
seq_printf(seq, ",resgid=%u",
from_kgid_munged(&init_user_ns, sbi->s_resgid));
}
if (test_opt(sb, ERRORS_RO)) {
int def_errors = le16_to_cpu(es->s_errors);
if (def_errors == EXT3_ERRORS_PANIC ||
def_errors == EXT3_ERRORS_CONTINUE) {
seq_puts(seq, ",errors=remount-ro");
}
}
if (test_opt(sb, ERRORS_CONT))
seq_puts(seq, ",errors=continue");
if (test_opt(sb, ERRORS_PANIC))
seq_puts(seq, ",errors=panic");
if (test_opt(sb, NO_UID32))
seq_puts(seq, ",nouid32");
if (test_opt(sb, DEBUG))
seq_puts(seq, ",debug");
#ifdef CONFIG_EXT3_FS_XATTR
if (test_opt(sb, XATTR_USER))
seq_puts(seq, ",user_xattr");
if (!test_opt(sb, XATTR_USER) &&
(def_mount_opts & EXT3_DEFM_XATTR_USER)) {
seq_puts(seq, ",nouser_xattr");
}
#endif
#ifdef CONFIG_EXT3_FS_POSIX_ACL
if (test_opt(sb, POSIX_ACL))
seq_puts(seq, ",acl");
if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT3_DEFM_ACL))
seq_puts(seq, ",noacl");
#endif
if (!test_opt(sb, RESERVATION))
seq_puts(seq, ",noreservation");
if (sbi->s_commit_interval) {
seq_printf(seq, ",commit=%u",
(unsigned) (sbi->s_commit_interval / HZ));
}
/*
* Always display barrier state so it's clear what the status is.
*/
seq_puts(seq, ",barrier=");
seq_puts(seq, test_opt(sb, BARRIER) ? "1" : "0");
seq_printf(seq, ",data=%s", data_mode_string(test_opt(sb, DATA_FLAGS)));
if (test_opt(sb, DATA_ERR_ABORT))
seq_puts(seq, ",data_err=abort");
if (test_opt(sb, NOLOAD))
seq_puts(seq, ",norecovery");
ext3_show_quota_options(seq, sb);
return 0;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,427 | static inline void ext3_show_quota_options(struct seq_file *seq, struct super_block *sb)
{
#if defined(CONFIG_QUOTA)
struct ext3_sb_info *sbi = EXT3_SB(sb);
if (sbi->s_jquota_fmt) {
char *fmtname = "";
switch (sbi->s_jquota_fmt) {
case QFMT_VFS_OLD:
fmtname = "vfsold";
break;
case QFMT_VFS_V0:
fmtname = "vfsv0";
break;
case QFMT_VFS_V1:
fmtname = "vfsv1";
break;
}
seq_printf(seq, ",jqfmt=%s", fmtname);
}
if (sbi->s_qf_names[USRQUOTA])
seq_printf(seq, ",usrjquota=%s", sbi->s_qf_names[USRQUOTA]);
if (sbi->s_qf_names[GRPQUOTA])
seq_printf(seq, ",grpjquota=%s", sbi->s_qf_names[GRPQUOTA]);
if (test_opt(sb, USRQUOTA))
seq_puts(seq, ",usrquota");
if (test_opt(sb, GRPQUOTA))
seq_puts(seq, ",grpquota");
#endif
}
| +Priv | 0 | static inline void ext3_show_quota_options(struct seq_file *seq, struct super_block *sb)
{
#if defined(CONFIG_QUOTA)
struct ext3_sb_info *sbi = EXT3_SB(sb);
if (sbi->s_jquota_fmt) {
char *fmtname = "";
switch (sbi->s_jquota_fmt) {
case QFMT_VFS_OLD:
fmtname = "vfsold";
break;
case QFMT_VFS_V0:
fmtname = "vfsv0";
break;
case QFMT_VFS_V1:
fmtname = "vfsv1";
break;
}
seq_printf(seq, ",jqfmt=%s", fmtname);
}
if (sbi->s_qf_names[USRQUOTA])
seq_printf(seq, ",usrjquota=%s", sbi->s_qf_names[USRQUOTA]);
if (sbi->s_qf_names[GRPQUOTA])
seq_printf(seq, ",grpjquota=%s", sbi->s_qf_names[GRPQUOTA]);
if (test_opt(sb, USRQUOTA))
seq_puts(seq, ",usrquota");
if (test_opt(sb, GRPQUOTA))
seq_puts(seq, ",grpquota");
#endif
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,428 | static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf)
{
struct super_block *sb = dentry->d_sb;
struct ext3_sb_info *sbi = EXT3_SB(sb);
struct ext3_super_block *es = sbi->s_es;
u64 fsid;
if (test_opt(sb, MINIX_DF)) {
sbi->s_overhead_last = 0;
} else if (sbi->s_blocks_last != le32_to_cpu(es->s_blocks_count)) {
unsigned long ngroups = sbi->s_groups_count, i;
ext3_fsblk_t overhead = 0;
smp_rmb();
/*
* Compute the overhead (FS structures). This is constant
* for a given filesystem unless the number of block groups
* changes so we cache the previous value until it does.
*/
/*
* All of the blocks before first_data_block are
* overhead
*/
overhead = le32_to_cpu(es->s_first_data_block);
/*
* Add the overhead attributed to the superblock and
* block group descriptors. If the sparse superblocks
* feature is turned on, then not all groups have this.
*/
for (i = 0; i < ngroups; i++) {
overhead += ext3_bg_has_super(sb, i) +
ext3_bg_num_gdb(sb, i);
cond_resched();
}
/*
* Every block group has an inode bitmap, a block
* bitmap, and an inode table.
*/
overhead += ngroups * (2 + sbi->s_itb_per_group);
sbi->s_overhead_last = overhead;
smp_wmb();
sbi->s_blocks_last = le32_to_cpu(es->s_blocks_count);
}
buf->f_type = EXT3_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = le32_to_cpu(es->s_blocks_count) - sbi->s_overhead_last;
buf->f_bfree = percpu_counter_sum_positive(&sbi->s_freeblocks_counter);
buf->f_bavail = buf->f_bfree - le32_to_cpu(es->s_r_blocks_count);
if (buf->f_bfree < le32_to_cpu(es->s_r_blocks_count))
buf->f_bavail = 0;
buf->f_files = le32_to_cpu(es->s_inodes_count);
buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter);
buf->f_namelen = EXT3_NAME_LEN;
fsid = le64_to_cpup((void *)es->s_uuid) ^
le64_to_cpup((void *)es->s_uuid + sizeof(u64));
buf->f_fsid.val[0] = fsid & 0xFFFFFFFFUL;
buf->f_fsid.val[1] = (fsid >> 32) & 0xFFFFFFFFUL;
return 0;
}
| +Priv | 0 | static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf)
{
struct super_block *sb = dentry->d_sb;
struct ext3_sb_info *sbi = EXT3_SB(sb);
struct ext3_super_block *es = sbi->s_es;
u64 fsid;
if (test_opt(sb, MINIX_DF)) {
sbi->s_overhead_last = 0;
} else if (sbi->s_blocks_last != le32_to_cpu(es->s_blocks_count)) {
unsigned long ngroups = sbi->s_groups_count, i;
ext3_fsblk_t overhead = 0;
smp_rmb();
/*
* Compute the overhead (FS structures). This is constant
* for a given filesystem unless the number of block groups
* changes so we cache the previous value until it does.
*/
/*
* All of the blocks before first_data_block are
* overhead
*/
overhead = le32_to_cpu(es->s_first_data_block);
/*
* Add the overhead attributed to the superblock and
* block group descriptors. If the sparse superblocks
* feature is turned on, then not all groups have this.
*/
for (i = 0; i < ngroups; i++) {
overhead += ext3_bg_has_super(sb, i) +
ext3_bg_num_gdb(sb, i);
cond_resched();
}
/*
* Every block group has an inode bitmap, a block
* bitmap, and an inode table.
*/
overhead += ngroups * (2 + sbi->s_itb_per_group);
sbi->s_overhead_last = overhead;
smp_wmb();
sbi->s_blocks_last = le32_to_cpu(es->s_blocks_count);
}
buf->f_type = EXT3_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = le32_to_cpu(es->s_blocks_count) - sbi->s_overhead_last;
buf->f_bfree = percpu_counter_sum_positive(&sbi->s_freeblocks_counter);
buf->f_bavail = buf->f_bfree - le32_to_cpu(es->s_r_blocks_count);
if (buf->f_bfree < le32_to_cpu(es->s_r_blocks_count))
buf->f_bavail = 0;
buf->f_files = le32_to_cpu(es->s_inodes_count);
buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter);
buf->f_namelen = EXT3_NAME_LEN;
fsid = le64_to_cpup((void *)es->s_uuid) ^
le64_to_cpup((void *)es->s_uuid + sizeof(u64));
buf->f_fsid.val[0] = fsid & 0xFFFFFFFFUL;
buf->f_fsid.val[1] = (fsid >> 32) & 0xFFFFFFFFUL;
return 0;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,429 | static int ext3_sync_fs(struct super_block *sb, int wait)
{
tid_t target;
trace_ext3_sync_fs(sb, wait);
/*
* Writeback quota in non-journalled quota case - journalled quota has
* no dirty dquots
*/
dquot_writeback_dquots(sb, -1);
if (journal_start_commit(EXT3_SB(sb)->s_journal, &target)) {
if (wait)
log_wait_commit(EXT3_SB(sb)->s_journal, target);
}
return 0;
}
| +Priv | 0 | static int ext3_sync_fs(struct super_block *sb, int wait)
{
tid_t target;
trace_ext3_sync_fs(sb, wait);
/*
* Writeback quota in non-journalled quota case - journalled quota has
* no dirty dquots
*/
dquot_writeback_dquots(sb, -1);
if (journal_start_commit(EXT3_SB(sb)->s_journal, &target)) {
if (wait)
log_wait_commit(EXT3_SB(sb)->s_journal, target);
}
return 0;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,430 | static int ext3_unfreeze(struct super_block *sb)
{
if (!(sb->s_flags & MS_RDONLY)) {
/* Reser the needs_recovery flag before the fs is unlocked. */
EXT3_SET_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
ext3_commit_super(sb, EXT3_SB(sb)->s_es, 1);
journal_unlock_updates(EXT3_SB(sb)->s_journal);
}
return 0;
}
| +Priv | 0 | static int ext3_unfreeze(struct super_block *sb)
{
if (!(sb->s_flags & MS_RDONLY)) {
/* Reser the needs_recovery flag before the fs is unlocked. */
EXT3_SET_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
ext3_commit_super(sb, EXT3_SB(sb)->s_es, 1);
journal_unlock_updates(EXT3_SB(sb)->s_journal);
}
return 0;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,431 | void ext3_warning(struct super_block *sb, const char *function,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
printk(KERN_WARNING "EXT3-fs (%s): warning: %s: %pV\n",
sb->s_id, function, &vaf);
va_end(args);
}
| +Priv | 0 | void ext3_warning(struct super_block *sb, const char *function,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
printk(KERN_WARNING "EXT3-fs (%s): warning: %s: %pV\n",
sb->s_id, function, &vaf);
va_end(args);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,432 | static int init_inodecache(void)
{
ext3_inode_cachep = kmem_cache_create("ext3_inode_cache",
sizeof(struct ext3_inode_info),
0, (SLAB_RECLAIM_ACCOUNT|
SLAB_MEM_SPREAD),
init_once);
if (ext3_inode_cachep == NULL)
return -ENOMEM;
return 0;
}
| +Priv | 0 | static int init_inodecache(void)
{
ext3_inode_cachep = kmem_cache_create("ext3_inode_cache",
sizeof(struct ext3_inode_info),
0, (SLAB_RECLAIM_ACCOUNT|
SLAB_MEM_SPREAD),
init_once);
if (ext3_inode_cachep == NULL)
return -ENOMEM;
return 0;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,433 | static void init_once(void *foo)
{
struct ext3_inode_info *ei = (struct ext3_inode_info *) foo;
INIT_LIST_HEAD(&ei->i_orphan);
#ifdef CONFIG_EXT3_FS_XATTR
init_rwsem(&ei->xattr_sem);
#endif
mutex_init(&ei->truncate_mutex);
inode_init_once(&ei->vfs_inode);
}
| +Priv | 0 | static void init_once(void *foo)
{
struct ext3_inode_info *ei = (struct ext3_inode_info *) foo;
INIT_LIST_HEAD(&ei->i_orphan);
#ifdef CONFIG_EXT3_FS_XATTR
init_rwsem(&ei->xattr_sem);
#endif
mutex_init(&ei->truncate_mutex);
inode_init_once(&ei->vfs_inode);
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,434 | static inline struct inode *orphan_list_entry(struct list_head *l)
{
return &list_entry(l, struct ext3_inode_info, i_orphan)->vfs_inode;
}
| +Priv | 0 | static inline struct inode *orphan_list_entry(struct list_head *l)
{
return &list_entry(l, struct ext3_inode_info, i_orphan)->vfs_inode;
}
| @@ -353,7 +353,7 @@ static struct block_device *ext3_blkdev_get(dev_t dev, struct super_block *sb)
return bdev;
fail:
- ext3_msg(sb, "error: failed to open journal device %s: %ld",
+ ext3_msg(sb, KERN_ERR, "error: failed to open journal device %s: %ld",
__bdevname(dev, b), PTR_ERR(bdev));
return NULL;
@@ -887,7 +887,7 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
/*todo: use simple_strtoll with >32bit ext3 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- ext3_msg(sb, "error: invalid sb specification: %s",
+ ext3_msg(sb, KERN_ERR, "error: invalid sb specification: %s",
(char *) *data);
return 1;
} | CWE-20 | null | null |
26,435 | static int __sctp_connect(struct sock* sk,
struct sockaddr *kaddrs,
int addrs_size,
sctp_assoc_t *assoc_id)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc = NULL;
struct sctp_association *asoc2;
struct sctp_transport *transport;
union sctp_addr to;
struct sctp_af *af;
sctp_scope_t scope;
long timeo;
int err = 0;
int addrcnt = 0;
int walk_size = 0;
union sctp_addr *sa_addr = NULL;
void *addr_buf;
unsigned short port;
unsigned int f_flags = 0;
sp = sctp_sk(sk);
ep = sp->ep;
/* connect() cannot be done on a socket that is already in ESTABLISHED
* state - UDP-style peeled off socket or a TCP-style socket that
* is already connected.
* It cannot be done even on a TCP-style listening socket.
*/
if (sctp_sstate(sk, ESTABLISHED) ||
(sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING))) {
err = -EISCONN;
goto out_free;
}
/* Walk through the addrs buffer and count the number of addresses. */
addr_buf = kaddrs;
while (walk_size < addrs_size) {
if (walk_size + sizeof(sa_family_t) > addrs_size) {
err = -EINVAL;
goto out_free;
}
sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa.sa_family);
/* If the address family is not supported or if this address
* causes the address buffer to overflow return EINVAL.
*/
if (!af || (walk_size + af->sockaddr_len) > addrs_size) {
err = -EINVAL;
goto out_free;
}
port = ntohs(sa_addr->v4.sin_port);
/* Save current address so we can work with it */
memcpy(&to, sa_addr, af->sockaddr_len);
err = sctp_verify_addr(sk, &to, af->sockaddr_len);
if (err)
goto out_free;
/* Make sure the destination port is correctly set
* in all addresses.
*/
if (asoc && asoc->peer.port && asoc->peer.port != port)
goto out_free;
/* Check if there already is a matching association on the
* endpoint (other than the one created here).
*/
asoc2 = sctp_endpoint_lookup_assoc(ep, &to, &transport);
if (asoc2 && asoc2 != asoc) {
if (asoc2->state >= SCTP_STATE_ESTABLISHED)
err = -EISCONN;
else
err = -EALREADY;
goto out_free;
}
/* If we could not find a matching association on the endpoint,
* make sure that there is no peeled-off association matching
* the peer address even on another socket.
*/
if (sctp_endpoint_is_peeled_off(ep, &to)) {
err = -EADDRNOTAVAIL;
goto out_free;
}
if (!asoc) {
/* If a bind() or sctp_bindx() is not called prior to
* an sctp_connectx() call, the system picks an
* ephemeral port and will choose an address set
* equivalent to binding with a wildcard address.
*/
if (!ep->base.bind_addr.port) {
if (sctp_autobind(sk)) {
err = -EAGAIN;
goto out_free;
}
} else {
/*
* If an unprivileged user inherits a 1-many
* style socket with open associations on a
* privileged port, it MAY be permitted to
* accept new associations, but it SHOULD NOT
* be permitted to open new associations.
*/
if (ep->base.bind_addr.port < PROT_SOCK &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) {
err = -EACCES;
goto out_free;
}
}
scope = sctp_scope(&to);
asoc = sctp_association_new(ep, sk, scope, GFP_KERNEL);
if (!asoc) {
err = -ENOMEM;
goto out_free;
}
err = sctp_assoc_set_bind_addr_from_ep(asoc, scope,
GFP_KERNEL);
if (err < 0) {
goto out_free;
}
}
/* Prime the peer's transport structures. */
transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL,
SCTP_UNKNOWN);
if (!transport) {
err = -ENOMEM;
goto out_free;
}
addrcnt++;
addr_buf += af->sockaddr_len;
walk_size += af->sockaddr_len;
}
/* In case the user of sctp_connectx() wants an association
* id back, assign one now.
*/
if (assoc_id) {
err = sctp_assoc_set_id(asoc, GFP_KERNEL);
if (err < 0)
goto out_free;
}
err = sctp_primitive_ASSOCIATE(net, asoc, NULL);
if (err < 0) {
goto out_free;
}
/* Initialize sk's dport and daddr for getpeername() */
inet_sk(sk)->inet_dport = htons(asoc->peer.port);
af = sctp_get_af_specific(sa_addr->sa.sa_family);
af->to_sk_daddr(sa_addr, sk);
sk->sk_err = 0;
/* in-kernel sockets don't generally have a file allocated to them
* if all they do is call sock_create_kern().
*/
if (sk->sk_socket->file)
f_flags = sk->sk_socket->file->f_flags;
timeo = sock_sndtimeo(sk, f_flags & O_NONBLOCK);
err = sctp_wait_for_connect(asoc, &timeo);
if ((err == 0 || err == -EINPROGRESS) && assoc_id)
*assoc_id = asoc->assoc_id;
/* Don't free association on exit. */
asoc = NULL;
out_free:
SCTP_DEBUG_PRINTK("About to exit __sctp_connect() free asoc: %p"
" kaddrs: %p err: %d\n",
asoc, kaddrs, err);
if (asoc) {
/* sctp_primitive_ASSOCIATE may have added this association
* To the hash table, try to unhash it, just in case, its a noop
* if it wasn't hashed so we're safe
*/
sctp_unhash_established(asoc);
sctp_association_free(asoc);
}
return err;
}
| +Priv | 0 | static int __sctp_connect(struct sock* sk,
struct sockaddr *kaddrs,
int addrs_size,
sctp_assoc_t *assoc_id)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc = NULL;
struct sctp_association *asoc2;
struct sctp_transport *transport;
union sctp_addr to;
struct sctp_af *af;
sctp_scope_t scope;
long timeo;
int err = 0;
int addrcnt = 0;
int walk_size = 0;
union sctp_addr *sa_addr = NULL;
void *addr_buf;
unsigned short port;
unsigned int f_flags = 0;
sp = sctp_sk(sk);
ep = sp->ep;
/* connect() cannot be done on a socket that is already in ESTABLISHED
* state - UDP-style peeled off socket or a TCP-style socket that
* is already connected.
* It cannot be done even on a TCP-style listening socket.
*/
if (sctp_sstate(sk, ESTABLISHED) ||
(sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING))) {
err = -EISCONN;
goto out_free;
}
/* Walk through the addrs buffer and count the number of addresses. */
addr_buf = kaddrs;
while (walk_size < addrs_size) {
if (walk_size + sizeof(sa_family_t) > addrs_size) {
err = -EINVAL;
goto out_free;
}
sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa.sa_family);
/* If the address family is not supported or if this address
* causes the address buffer to overflow return EINVAL.
*/
if (!af || (walk_size + af->sockaddr_len) > addrs_size) {
err = -EINVAL;
goto out_free;
}
port = ntohs(sa_addr->v4.sin_port);
/* Save current address so we can work with it */
memcpy(&to, sa_addr, af->sockaddr_len);
err = sctp_verify_addr(sk, &to, af->sockaddr_len);
if (err)
goto out_free;
/* Make sure the destination port is correctly set
* in all addresses.
*/
if (asoc && asoc->peer.port && asoc->peer.port != port)
goto out_free;
/* Check if there already is a matching association on the
* endpoint (other than the one created here).
*/
asoc2 = sctp_endpoint_lookup_assoc(ep, &to, &transport);
if (asoc2 && asoc2 != asoc) {
if (asoc2->state >= SCTP_STATE_ESTABLISHED)
err = -EISCONN;
else
err = -EALREADY;
goto out_free;
}
/* If we could not find a matching association on the endpoint,
* make sure that there is no peeled-off association matching
* the peer address even on another socket.
*/
if (sctp_endpoint_is_peeled_off(ep, &to)) {
err = -EADDRNOTAVAIL;
goto out_free;
}
if (!asoc) {
/* If a bind() or sctp_bindx() is not called prior to
* an sctp_connectx() call, the system picks an
* ephemeral port and will choose an address set
* equivalent to binding with a wildcard address.
*/
if (!ep->base.bind_addr.port) {
if (sctp_autobind(sk)) {
err = -EAGAIN;
goto out_free;
}
} else {
/*
* If an unprivileged user inherits a 1-many
* style socket with open associations on a
* privileged port, it MAY be permitted to
* accept new associations, but it SHOULD NOT
* be permitted to open new associations.
*/
if (ep->base.bind_addr.port < PROT_SOCK &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) {
err = -EACCES;
goto out_free;
}
}
scope = sctp_scope(&to);
asoc = sctp_association_new(ep, sk, scope, GFP_KERNEL);
if (!asoc) {
err = -ENOMEM;
goto out_free;
}
err = sctp_assoc_set_bind_addr_from_ep(asoc, scope,
GFP_KERNEL);
if (err < 0) {
goto out_free;
}
}
/* Prime the peer's transport structures. */
transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL,
SCTP_UNKNOWN);
if (!transport) {
err = -ENOMEM;
goto out_free;
}
addrcnt++;
addr_buf += af->sockaddr_len;
walk_size += af->sockaddr_len;
}
/* In case the user of sctp_connectx() wants an association
* id back, assign one now.
*/
if (assoc_id) {
err = sctp_assoc_set_id(asoc, GFP_KERNEL);
if (err < 0)
goto out_free;
}
err = sctp_primitive_ASSOCIATE(net, asoc, NULL);
if (err < 0) {
goto out_free;
}
/* Initialize sk's dport and daddr for getpeername() */
inet_sk(sk)->inet_dport = htons(asoc->peer.port);
af = sctp_get_af_specific(sa_addr->sa.sa_family);
af->to_sk_daddr(sa_addr, sk);
sk->sk_err = 0;
/* in-kernel sockets don't generally have a file allocated to them
* if all they do is call sock_create_kern().
*/
if (sk->sk_socket->file)
f_flags = sk->sk_socket->file->f_flags;
timeo = sock_sndtimeo(sk, f_flags & O_NONBLOCK);
err = sctp_wait_for_connect(asoc, &timeo);
if ((err == 0 || err == -EINPROGRESS) && assoc_id)
*assoc_id = asoc->assoc_id;
/* Don't free association on exit. */
asoc = NULL;
out_free:
SCTP_DEBUG_PRINTK("About to exit __sctp_connect() free asoc: %p"
" kaddrs: %p err: %d\n",
asoc, kaddrs, err);
if (asoc) {
/* sctp_primitive_ASSOCIATE may have added this association
* To the hash table, try to unhash it, just in case, its a noop
* if it wasn't hashed so we're safe
*/
sctp_unhash_established(asoc);
sctp_association_free(asoc);
}
return err;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,436 | static inline void __sctp_put_port(struct sock *sk)
{
struct sctp_bind_hashbucket *head =
&sctp_port_hashtable[sctp_phashfn(sock_net(sk),
inet_sk(sk)->inet_num)];
struct sctp_bind_bucket *pp;
sctp_spin_lock(&head->lock);
pp = sctp_sk(sk)->bind_hash;
__sk_del_bind_node(sk);
sctp_sk(sk)->bind_hash = NULL;
inet_sk(sk)->inet_num = 0;
sctp_bucket_destroy(pp);
sctp_spin_unlock(&head->lock);
}
| +Priv | 0 | static inline void __sctp_put_port(struct sock *sk)
{
struct sctp_bind_hashbucket *head =
&sctp_port_hashtable[sctp_phashfn(sock_net(sk),
inet_sk(sk)->inet_num)];
struct sctp_bind_bucket *pp;
sctp_spin_lock(&head->lock);
pp = sctp_sk(sk)->bind_hash;
__sk_del_bind_node(sk);
sctp_sk(sk)->bind_hash = NULL;
inet_sk(sk)->inet_num = 0;
sctp_bucket_destroy(pp);
sctp_spin_unlock(&head->lock);
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,437 | SCTP_STATIC int __sctp_setsockopt_connectx(struct sock* sk,
struct sockaddr __user *addrs,
int addrs_size,
sctp_assoc_t *assoc_id)
{
int err = 0;
struct sockaddr *kaddrs;
SCTP_DEBUG_PRINTK("%s - sk %p addrs %p addrs_size %d\n",
__func__, sk, addrs, addrs_size);
if (unlikely(addrs_size <= 0))
return -EINVAL;
/* Check the user passed a healthy pointer. */
if (unlikely(!access_ok(VERIFY_READ, addrs, addrs_size)))
return -EFAULT;
/* Alloc space for the address array in kernel memory. */
kaddrs = kmalloc(addrs_size, GFP_KERNEL);
if (unlikely(!kaddrs))
return -ENOMEM;
if (__copy_from_user(kaddrs, addrs, addrs_size)) {
err = -EFAULT;
} else {
err = __sctp_connect(sk, kaddrs, addrs_size, assoc_id);
}
kfree(kaddrs);
return err;
}
| +Priv | 0 | SCTP_STATIC int __sctp_setsockopt_connectx(struct sock* sk,
struct sockaddr __user *addrs,
int addrs_size,
sctp_assoc_t *assoc_id)
{
int err = 0;
struct sockaddr *kaddrs;
SCTP_DEBUG_PRINTK("%s - sk %p addrs %p addrs_size %d\n",
__func__, sk, addrs, addrs_size);
if (unlikely(addrs_size <= 0))
return -EINVAL;
/* Check the user passed a healthy pointer. */
if (unlikely(!access_ok(VERIFY_READ, addrs, addrs_size)))
return -EFAULT;
/* Alloc space for the address array in kernel memory. */
kaddrs = kmalloc(addrs_size, GFP_KERNEL);
if (unlikely(!kaddrs))
return -ENOMEM;
if (__copy_from_user(kaddrs, addrs, addrs_size)) {
err = -EFAULT;
} else {
err = __sctp_connect(sk, kaddrs, addrs_size, assoc_id);
}
kfree(kaddrs);
return err;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,438 | SCTP_STATIC struct sock *sctp_accept(struct sock *sk, int flags, int *err)
{
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sock *newsk = NULL;
struct sctp_association *asoc;
long timeo;
int error = 0;
sctp_lock_sock(sk);
sp = sctp_sk(sk);
ep = sp->ep;
if (!sctp_style(sk, TCP)) {
error = -EOPNOTSUPP;
goto out;
}
if (!sctp_sstate(sk, LISTENING)) {
error = -EINVAL;
goto out;
}
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
error = sctp_wait_for_accept(sk, timeo);
if (error)
goto out;
/* We treat the list of associations on the endpoint as the accept
* queue and pick the first association on the list.
*/
asoc = list_entry(ep->asocs.next, struct sctp_association, asocs);
newsk = sp->pf->create_accept_sk(sk, asoc);
if (!newsk) {
error = -ENOMEM;
goto out;
}
/* Populate the fields of the newsk from the oldsk and migrate the
* asoc to the newsk.
*/
sctp_sock_migrate(sk, newsk, asoc, SCTP_SOCKET_TCP);
out:
sctp_release_sock(sk);
*err = error;
return newsk;
}
| +Priv | 0 | SCTP_STATIC struct sock *sctp_accept(struct sock *sk, int flags, int *err)
{
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sock *newsk = NULL;
struct sctp_association *asoc;
long timeo;
int error = 0;
sctp_lock_sock(sk);
sp = sctp_sk(sk);
ep = sp->ep;
if (!sctp_style(sk, TCP)) {
error = -EOPNOTSUPP;
goto out;
}
if (!sctp_sstate(sk, LISTENING)) {
error = -EINVAL;
goto out;
}
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
error = sctp_wait_for_accept(sk, timeo);
if (error)
goto out;
/* We treat the list of associations on the endpoint as the accept
* queue and pick the first association on the list.
*/
asoc = list_entry(ep->asocs.next, struct sctp_association, asocs);
newsk = sp->pf->create_accept_sk(sk, asoc);
if (!newsk) {
error = -ENOMEM;
goto out;
}
/* Populate the fields of the newsk from the oldsk and migrate the
* asoc to the newsk.
*/
sctp_sock_migrate(sk, newsk, asoc, SCTP_SOCKET_TCP);
out:
sctp_release_sock(sk);
*err = error;
return newsk;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,439 | static struct sctp_transport *sctp_addr_id2transport(struct sock *sk,
struct sockaddr_storage *addr,
sctp_assoc_t id)
{
struct sctp_association *addr_asoc = NULL, *id_asoc = NULL;
struct sctp_transport *transport;
union sctp_addr *laddr = (union sctp_addr *)addr;
addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep,
laddr,
&transport);
if (!addr_asoc)
return NULL;
id_asoc = sctp_id2assoc(sk, id);
if (id_asoc && (id_asoc != addr_asoc))
return NULL;
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
(union sctp_addr *)addr);
return transport;
}
| +Priv | 0 | static struct sctp_transport *sctp_addr_id2transport(struct sock *sk,
struct sockaddr_storage *addr,
sctp_assoc_t id)
{
struct sctp_association *addr_asoc = NULL, *id_asoc = NULL;
struct sctp_transport *transport;
union sctp_addr *laddr = (union sctp_addr *)addr;
addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep,
laddr,
&transport);
if (!addr_asoc)
return NULL;
id_asoc = sctp_id2assoc(sk, id);
if (id_asoc && (id_asoc != addr_asoc))
return NULL;
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
(union sctp_addr *)addr);
return transport;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,440 | int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw)
{
struct sock *sk = sctp_opt2sk(sp);
union sctp_addr *addr;
struct sctp_af *af;
/* It is safe to write port space in caller. */
addr = &addrw->a;
addr->v4.sin_port = htons(sp->ep->base.bind_addr.port);
af = sctp_get_af_specific(addr->sa.sa_family);
if (!af)
return -EINVAL;
if (sctp_verify_addr(sk, addr, af->sockaddr_len))
return -EINVAL;
if (addrw->state == SCTP_ADDR_NEW)
return sctp_send_asconf_add_ip(sk, (struct sockaddr *)addr, 1);
else
return sctp_send_asconf_del_ip(sk, (struct sockaddr *)addr, 1);
}
| +Priv | 0 | int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw)
{
struct sock *sk = sctp_opt2sk(sp);
union sctp_addr *addr;
struct sctp_af *af;
/* It is safe to write port space in caller. */
addr = &addrw->a;
addr->v4.sin_port = htons(sp->ep->base.bind_addr.port);
af = sctp_get_af_specific(addr->sa.sa_family);
if (!af)
return -EINVAL;
if (sctp_verify_addr(sk, addr, af->sockaddr_len))
return -EINVAL;
if (addrw->state == SCTP_ADDR_NEW)
return sctp_send_asconf_add_ip(sk, (struct sockaddr *)addr, 1);
else
return sctp_send_asconf_del_ip(sk, (struct sockaddr *)addr, 1);
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,441 | static int sctp_autobind(struct sock *sk)
{
union sctp_addr autoaddr;
struct sctp_af *af;
__be16 port;
/* Initialize a local sockaddr structure to INADDR_ANY. */
af = sctp_sk(sk)->pf->af;
port = htons(inet_sk(sk)->inet_num);
af->inaddr_any(&autoaddr, port);
return sctp_do_bind(sk, &autoaddr, af->sockaddr_len);
}
| +Priv | 0 | static int sctp_autobind(struct sock *sk)
{
union sctp_addr autoaddr;
struct sctp_af *af;
__be16 port;
/* Initialize a local sockaddr structure to INADDR_ANY. */
af = sctp_sk(sk)->pf->af;
port = htons(inet_sk(sk)->inet_num);
af->inaddr_any(&autoaddr, port);
return sctp_do_bind(sk, &autoaddr, af->sockaddr_len);
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,442 | SCTP_STATIC int sctp_bind(struct sock *sk, struct sockaddr *addr, int addr_len)
{
int retval = 0;
sctp_lock_sock(sk);
SCTP_DEBUG_PRINTK("sctp_bind(sk: %p, addr: %p, addr_len: %d)\n",
sk, addr, addr_len);
/* Disallow binding twice. */
if (!sctp_sk(sk)->ep->base.bind_addr.port)
retval = sctp_do_bind(sk, (union sctp_addr *)addr,
addr_len);
else
retval = -EINVAL;
sctp_release_sock(sk);
return retval;
}
| +Priv | 0 | SCTP_STATIC int sctp_bind(struct sock *sk, struct sockaddr *addr, int addr_len)
{
int retval = 0;
sctp_lock_sock(sk);
SCTP_DEBUG_PRINTK("sctp_bind(sk: %p, addr: %p, addr_len: %d)\n",
sk, addr, addr_len);
/* Disallow binding twice. */
if (!sctp_sk(sk)->ep->base.bind_addr.port)
retval = sctp_do_bind(sk, (union sctp_addr *)addr,
addr_len);
else
retval = -EINVAL;
sctp_release_sock(sk);
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,443 | static int sctp_bindx_add(struct sock *sk, struct sockaddr *addrs, int addrcnt)
{
int cnt;
int retval = 0;
void *addr_buf;
struct sockaddr *sa_addr;
struct sctp_af *af;
SCTP_DEBUG_PRINTK("sctp_bindx_add (sk: %p, addrs: %p, addrcnt: %d)\n",
sk, addrs, addrcnt);
addr_buf = addrs;
for (cnt = 0; cnt < addrcnt; cnt++) {
/* The list may contain either IPv4 or IPv6 address;
* determine the address length for walking thru the list.
*/
sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa_family);
if (!af) {
retval = -EINVAL;
goto err_bindx_add;
}
retval = sctp_do_bind(sk, (union sctp_addr *)sa_addr,
af->sockaddr_len);
addr_buf += af->sockaddr_len;
err_bindx_add:
if (retval < 0) {
/* Failed. Cleanup the ones that have been added */
if (cnt > 0)
sctp_bindx_rem(sk, addrs, cnt);
return retval;
}
}
return retval;
}
| +Priv | 0 | static int sctp_bindx_add(struct sock *sk, struct sockaddr *addrs, int addrcnt)
{
int cnt;
int retval = 0;
void *addr_buf;
struct sockaddr *sa_addr;
struct sctp_af *af;
SCTP_DEBUG_PRINTK("sctp_bindx_add (sk: %p, addrs: %p, addrcnt: %d)\n",
sk, addrs, addrcnt);
addr_buf = addrs;
for (cnt = 0; cnt < addrcnt; cnt++) {
/* The list may contain either IPv4 or IPv6 address;
* determine the address length for walking thru the list.
*/
sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa_family);
if (!af) {
retval = -EINVAL;
goto err_bindx_add;
}
retval = sctp_do_bind(sk, (union sctp_addr *)sa_addr,
af->sockaddr_len);
addr_buf += af->sockaddr_len;
err_bindx_add:
if (retval < 0) {
/* Failed. Cleanup the ones that have been added */
if (cnt > 0)
sctp_bindx_rem(sk, addrs, cnt);
return retval;
}
}
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,444 | static struct sctp_bind_bucket *sctp_bucket_create(
struct sctp_bind_hashbucket *head, struct net *net, unsigned short snum)
{
struct sctp_bind_bucket *pp;
pp = kmem_cache_alloc(sctp_bucket_cachep, GFP_ATOMIC);
if (pp) {
SCTP_DBG_OBJCNT_INC(bind_bucket);
pp->port = snum;
pp->fastreuse = 0;
INIT_HLIST_HEAD(&pp->owner);
pp->net = net;
hlist_add_head(&pp->node, &head->chain);
}
return pp;
}
| +Priv | 0 | static struct sctp_bind_bucket *sctp_bucket_create(
struct sctp_bind_hashbucket *head, struct net *net, unsigned short snum)
{
struct sctp_bind_bucket *pp;
pp = kmem_cache_alloc(sctp_bucket_cachep, GFP_ATOMIC);
if (pp) {
SCTP_DBG_OBJCNT_INC(bind_bucket);
pp->port = snum;
pp->fastreuse = 0;
INIT_HLIST_HEAD(&pp->owner);
pp->net = net;
hlist_add_head(&pp->node, &head->chain);
}
return pp;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,445 | static void sctp_bucket_destroy(struct sctp_bind_bucket *pp)
{
if (pp && hlist_empty(&pp->owner)) {
__hlist_del(&pp->node);
kmem_cache_free(sctp_bucket_cachep, pp);
SCTP_DBG_OBJCNT_DEC(bind_bucket);
}
}
| +Priv | 0 | static void sctp_bucket_destroy(struct sctp_bind_bucket *pp)
{
if (pp && hlist_empty(&pp->owner)) {
__hlist_del(&pp->node);
kmem_cache_free(sctp_bucket_cachep, pp);
SCTP_DBG_OBJCNT_DEC(bind_bucket);
}
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,446 | SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
{
struct net *net = sock_net(sk);
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct list_head *pos, *temp;
unsigned int data_was_unread;
SCTP_DEBUG_PRINTK("sctp_close(sk: 0x%p, timeout:%ld)\n", sk, timeout);
sctp_lock_sock(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
sk->sk_state = SCTP_SS_CLOSING;
ep = sctp_sk(sk)->ep;
/* Clean up any skbs sitting on the receive queue. */
data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue);
data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby);
/* Walk all associations on an endpoint. */
list_for_each_safe(pos, temp, &ep->asocs) {
asoc = list_entry(pos, struct sctp_association, asocs);
if (sctp_style(sk, TCP)) {
/* A closed association can still be in the list if
* it belongs to a TCP-style listening socket that is
* not yet accepted. If so, free it. If not, send an
* ABORT or SHUTDOWN based on the linger options.
*/
if (sctp_state(asoc, CLOSED)) {
sctp_unhash_established(asoc);
sctp_association_free(asoc);
continue;
}
}
if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) ||
!skb_queue_empty(&asoc->ulpq.reasm) ||
(sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) {
struct sctp_chunk *chunk;
chunk = sctp_make_abort_user(asoc, NULL, 0);
if (chunk)
sctp_primitive_ABORT(net, asoc, chunk);
} else
sctp_primitive_SHUTDOWN(net, asoc, NULL);
}
/* On a TCP-style socket, block for at most linger_time if set. */
if (sctp_style(sk, TCP) && timeout)
sctp_wait_for_close(sk, timeout);
/* This will run the backlog queue. */
sctp_release_sock(sk);
/* Supposedly, no process has access to the socket, but
* the net layers still may.
*/
sctp_local_bh_disable();
sctp_bh_lock_sock(sk);
/* Hold the sock, since sk_common_release() will put sock_put()
* and we have just a little more cleanup.
*/
sock_hold(sk);
sk_common_release(sk);
sctp_bh_unlock_sock(sk);
sctp_local_bh_enable();
sock_put(sk);
SCTP_DBG_OBJCNT_DEC(sock);
}
| +Priv | 0 | SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
{
struct net *net = sock_net(sk);
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct list_head *pos, *temp;
unsigned int data_was_unread;
SCTP_DEBUG_PRINTK("sctp_close(sk: 0x%p, timeout:%ld)\n", sk, timeout);
sctp_lock_sock(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
sk->sk_state = SCTP_SS_CLOSING;
ep = sctp_sk(sk)->ep;
/* Clean up any skbs sitting on the receive queue. */
data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue);
data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby);
/* Walk all associations on an endpoint. */
list_for_each_safe(pos, temp, &ep->asocs) {
asoc = list_entry(pos, struct sctp_association, asocs);
if (sctp_style(sk, TCP)) {
/* A closed association can still be in the list if
* it belongs to a TCP-style listening socket that is
* not yet accepted. If so, free it. If not, send an
* ABORT or SHUTDOWN based on the linger options.
*/
if (sctp_state(asoc, CLOSED)) {
sctp_unhash_established(asoc);
sctp_association_free(asoc);
continue;
}
}
if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) ||
!skb_queue_empty(&asoc->ulpq.reasm) ||
(sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) {
struct sctp_chunk *chunk;
chunk = sctp_make_abort_user(asoc, NULL, 0);
if (chunk)
sctp_primitive_ABORT(net, asoc, chunk);
} else
sctp_primitive_SHUTDOWN(net, asoc, NULL);
}
/* On a TCP-style socket, block for at most linger_time if set. */
if (sctp_style(sk, TCP) && timeout)
sctp_wait_for_close(sk, timeout);
/* This will run the backlog queue. */
sctp_release_sock(sk);
/* Supposedly, no process has access to the socket, but
* the net layers still may.
*/
sctp_local_bh_disable();
sctp_bh_lock_sock(sk);
/* Hold the sock, since sk_common_release() will put sock_put()
* and we have just a little more cleanup.
*/
sock_hold(sk);
sk_common_release(sk);
sctp_bh_unlock_sock(sk);
sctp_local_bh_enable();
sock_put(sk);
SCTP_DBG_OBJCNT_DEC(sock);
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,447 | static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
size_t space_left, int *bytes_copied)
{
struct sctp_sockaddr_entry *addr;
union sctp_addr temp;
int cnt = 0;
int addrlen;
struct net *net = sock_net(sk);
rcu_read_lock();
list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) {
if (!addr->valid)
continue;
if ((PF_INET == sk->sk_family) &&
(AF_INET6 == addr->a.sa.sa_family))
continue;
if ((PF_INET6 == sk->sk_family) &&
inet_v6_ipv6only(sk) &&
(AF_INET == addr->a.sa.sa_family))
continue;
memcpy(&temp, &addr->a, sizeof(temp));
if (!temp.v4.sin_port)
temp.v4.sin_port = htons(port);
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
&temp);
addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if (space_left < addrlen) {
cnt = -ENOMEM;
break;
}
memcpy(to, &temp, addrlen);
to += addrlen;
cnt ++;
space_left -= addrlen;
*bytes_copied += addrlen;
}
rcu_read_unlock();
return cnt;
}
| +Priv | 0 | static int sctp_copy_laddrs(struct sock *sk, __u16 port, void *to,
size_t space_left, int *bytes_copied)
{
struct sctp_sockaddr_entry *addr;
union sctp_addr temp;
int cnt = 0;
int addrlen;
struct net *net = sock_net(sk);
rcu_read_lock();
list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) {
if (!addr->valid)
continue;
if ((PF_INET == sk->sk_family) &&
(AF_INET6 == addr->a.sa.sa_family))
continue;
if ((PF_INET6 == sk->sk_family) &&
inet_v6_ipv6only(sk) &&
(AF_INET == addr->a.sa.sa_family))
continue;
memcpy(&temp, &addr->a, sizeof(temp));
if (!temp.v4.sin_port)
temp.v4.sin_port = htons(port);
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
&temp);
addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if (space_left < addrlen) {
cnt = -ENOMEM;
break;
}
memcpy(to, &temp, addrlen);
to += addrlen;
cnt ++;
space_left -= addrlen;
*bytes_copied += addrlen;
}
rcu_read_unlock();
return cnt;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,448 | void sctp_data_ready(struct sock *sk, int len)
{
struct socket_wq *wq;
rcu_read_lock();
wq = rcu_dereference(sk->sk_wq);
if (wq_has_sleeper(wq))
wake_up_interruptible_sync_poll(&wq->wait, POLLIN |
POLLRDNORM | POLLRDBAND);
sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
rcu_read_unlock();
}
| +Priv | 0 | void sctp_data_ready(struct sock *sk, int len)
{
struct socket_wq *wq;
rcu_read_lock();
wq = rcu_dereference(sk->sk_wq);
if (wq_has_sleeper(wq))
wake_up_interruptible_sync_poll(&wq->wait, POLLIN |
POLLRDNORM | POLLRDBAND);
sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
rcu_read_unlock();
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,449 | SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
{
struct sctp_sock *sp;
SCTP_DEBUG_PRINTK("sctp_destroy_sock(sk: %p)\n", sk);
/* Release our hold on the endpoint. */
sp = sctp_sk(sk);
if (sp->do_auto_asconf) {
sp->do_auto_asconf = 0;
list_del(&sp->auto_asconf_list);
}
sctp_endpoint_free(sp->ep);
local_bh_disable();
percpu_counter_dec(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
local_bh_enable();
}
| +Priv | 0 | SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
{
struct sctp_sock *sp;
SCTP_DEBUG_PRINTK("sctp_destroy_sock(sk: %p)\n", sk);
/* Release our hold on the endpoint. */
sp = sctp_sk(sk);
if (sp->do_auto_asconf) {
sp->do_auto_asconf = 0;
list_del(&sp->auto_asconf_list);
}
sctp_endpoint_free(sp->ep);
local_bh_disable();
percpu_counter_dec(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
local_bh_enable();
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,450 | SCTP_STATIC int sctp_disconnect(struct sock *sk, int flags)
{
return -EOPNOTSUPP; /* STUB */
}
| +Priv | 0 | SCTP_STATIC int sctp_disconnect(struct sock *sk, int flags)
{
return -EOPNOTSUPP; /* STUB */
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,451 | SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp = sctp_sk(sk);
struct sctp_endpoint *ep = sp->ep;
struct sctp_bind_addr *bp = &ep->base.bind_addr;
struct sctp_af *af;
unsigned short snum;
int ret = 0;
/* Common sockaddr verification. */
af = sctp_sockaddr_af(sp, addr, len);
if (!af) {
SCTP_DEBUG_PRINTK("sctp_do_bind(sk: %p, newaddr: %p, len: %d) EINVAL\n",
sk, addr, len);
return -EINVAL;
}
snum = ntohs(addr->v4.sin_port);
SCTP_DEBUG_PRINTK_IPADDR("sctp_do_bind(sk: %p, new addr: ",
", port: %d, new port: %d, len: %d)\n",
sk,
addr,
bp->port, snum,
len);
/* PF specific bind() address verification. */
if (!sp->pf->bind_verify(sp, addr))
return -EADDRNOTAVAIL;
/* We must either be unbound, or bind to the same port.
* It's OK to allow 0 ports if we are already bound.
* We'll just inhert an already bound port in this case
*/
if (bp->port) {
if (!snum)
snum = bp->port;
else if (snum != bp->port) {
SCTP_DEBUG_PRINTK("sctp_do_bind:"
" New port %d does not match existing port "
"%d.\n", snum, bp->port);
return -EINVAL;
}
}
if (snum && snum < PROT_SOCK &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
return -EACCES;
/* See if the address matches any of the addresses we may have
* already bound before checking against other endpoints.
*/
if (sctp_bind_addr_match(bp, addr, sp))
return -EINVAL;
/* Make sure we are allowed to bind here.
* The function sctp_get_port_local() does duplicate address
* detection.
*/
addr->v4.sin_port = htons(snum);
if ((ret = sctp_get_port_local(sk, addr))) {
return -EADDRINUSE;
}
/* Refresh ephemeral port. */
if (!bp->port)
bp->port = inet_sk(sk)->inet_num;
/* Add the address to the bind address list.
* Use GFP_ATOMIC since BHs will be disabled.
*/
ret = sctp_add_bind_addr(bp, addr, SCTP_ADDR_SRC, GFP_ATOMIC);
/* Copy back into socket for getsockname() use. */
if (!ret) {
inet_sk(sk)->inet_sport = htons(inet_sk(sk)->inet_num);
af->to_sk_saddr(addr, sk);
}
return ret;
}
| +Priv | 0 | SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp = sctp_sk(sk);
struct sctp_endpoint *ep = sp->ep;
struct sctp_bind_addr *bp = &ep->base.bind_addr;
struct sctp_af *af;
unsigned short snum;
int ret = 0;
/* Common sockaddr verification. */
af = sctp_sockaddr_af(sp, addr, len);
if (!af) {
SCTP_DEBUG_PRINTK("sctp_do_bind(sk: %p, newaddr: %p, len: %d) EINVAL\n",
sk, addr, len);
return -EINVAL;
}
snum = ntohs(addr->v4.sin_port);
SCTP_DEBUG_PRINTK_IPADDR("sctp_do_bind(sk: %p, new addr: ",
", port: %d, new port: %d, len: %d)\n",
sk,
addr,
bp->port, snum,
len);
/* PF specific bind() address verification. */
if (!sp->pf->bind_verify(sp, addr))
return -EADDRNOTAVAIL;
/* We must either be unbound, or bind to the same port.
* It's OK to allow 0 ports if we are already bound.
* We'll just inhert an already bound port in this case
*/
if (bp->port) {
if (!snum)
snum = bp->port;
else if (snum != bp->port) {
SCTP_DEBUG_PRINTK("sctp_do_bind:"
" New port %d does not match existing port "
"%d.\n", snum, bp->port);
return -EINVAL;
}
}
if (snum && snum < PROT_SOCK &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
return -EACCES;
/* See if the address matches any of the addresses we may have
* already bound before checking against other endpoints.
*/
if (sctp_bind_addr_match(bp, addr, sp))
return -EINVAL;
/* Make sure we are allowed to bind here.
* The function sctp_get_port_local() does duplicate address
* detection.
*/
addr->v4.sin_port = htons(snum);
if ((ret = sctp_get_port_local(sk, addr))) {
return -EADDRINUSE;
}
/* Refresh ephemeral port. */
if (!bp->port)
bp->port = inet_sk(sk)->inet_num;
/* Add the address to the bind address list.
* Use GFP_ATOMIC since BHs will be disabled.
*/
ret = sctp_add_bind_addr(bp, addr, SCTP_ADDR_SRC, GFP_ATOMIC);
/* Copy back into socket for getsockname() use. */
if (!ret) {
inet_sk(sk)->inet_sport = htons(inet_sk(sk)->inet_num);
af->to_sk_saddr(addr, sk);
}
return ret;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,452 | static void sctp_enter_memory_pressure(struct sock *sk)
{
sctp_memory_pressure = 1;
}
| +Priv | 0 | static void sctp_enter_memory_pressure(struct sock *sk)
{
sctp_memory_pressure = 1;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,453 | static int sctp_error(struct sock *sk, int flags, int err)
{
if (err == -EPIPE)
err = sock_error(sk) ? : -EPIPE;
if (err == -EPIPE && !(flags & MSG_NOSIGNAL))
send_sig(SIGPIPE, current, 0);
return err;
}
| +Priv | 0 | static int sctp_error(struct sock *sk, int flags, int err)
{
if (err == -EPIPE)
err = sock_error(sk) ? : -EPIPE;
if (err == -EPIPE && !(flags & MSG_NOSIGNAL))
send_sig(SIGPIPE, current, 0);
return err;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,454 | static int sctp_get_port(struct sock *sk, unsigned short snum)
{
long ret;
union sctp_addr addr;
struct sctp_af *af = sctp_sk(sk)->pf->af;
/* Set up a dummy address struct from the sk. */
af->from_sk(&addr, sk);
addr.v4.sin_port = htons(snum);
/* Note: sk->sk_num gets filled in if ephemeral port request. */
ret = sctp_get_port_local(sk, &addr);
return ret ? 1 : 0;
}
| +Priv | 0 | static int sctp_get_port(struct sock *sk, unsigned short snum)
{
long ret;
union sctp_addr addr;
struct sctp_af *af = sctp_sk(sk)->pf->af;
/* Set up a dummy address struct from the sk. */
af->from_sk(&addr, sk);
addr.v4.sin_port = htons(snum);
/* Note: sk->sk_num gets filled in if ephemeral port request. */
ret = sctp_get_port_local(sk, &addr);
return ret ? 1 : 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,455 | static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
{
struct sctp_bind_hashbucket *head; /* hash list */
struct sctp_bind_bucket *pp; /* hash list port iterator */
struct hlist_node *node;
unsigned short snum;
int ret;
snum = ntohs(addr->v4.sin_port);
SCTP_DEBUG_PRINTK("sctp_get_port() begins, snum=%d\n", snum);
sctp_local_bh_disable();
if (snum == 0) {
/* Search for an available port. */
int low, high, remaining, index;
unsigned int rover;
inet_get_local_port_range(&low, &high);
remaining = (high - low) + 1;
rover = net_random() % remaining + low;
do {
rover++;
if ((rover < low) || (rover > high))
rover = low;
if (inet_is_reserved_local_port(rover))
continue;
index = sctp_phashfn(sock_net(sk), rover);
head = &sctp_port_hashtable[index];
sctp_spin_lock(&head->lock);
sctp_for_each_hentry(pp, node, &head->chain)
if ((pp->port == rover) &&
net_eq(sock_net(sk), pp->net))
goto next;
break;
next:
sctp_spin_unlock(&head->lock);
} while (--remaining > 0);
/* Exhausted local port range during search? */
ret = 1;
if (remaining <= 0)
goto fail;
/* OK, here is the one we will use. HEAD (the port
* hash table list entry) is non-NULL and we hold it's
* mutex.
*/
snum = rover;
} else {
/* We are given an specific port number; we verify
* that it is not being used. If it is used, we will
* exahust the search in the hash list corresponding
* to the port number (snum) - we detect that with the
* port iterator, pp being NULL.
*/
head = &sctp_port_hashtable[sctp_phashfn(sock_net(sk), snum)];
sctp_spin_lock(&head->lock);
sctp_for_each_hentry(pp, node, &head->chain) {
if ((pp->port == snum) && net_eq(pp->net, sock_net(sk)))
goto pp_found;
}
}
pp = NULL;
goto pp_not_found;
pp_found:
if (!hlist_empty(&pp->owner)) {
/* We had a port hash table hit - there is an
* available port (pp != NULL) and it is being
* used by other socket (pp->owner not empty); that other
* socket is going to be sk2.
*/
int reuse = sk->sk_reuse;
struct sock *sk2;
SCTP_DEBUG_PRINTK("sctp_get_port() found a possible match\n");
if (pp->fastreuse && sk->sk_reuse &&
sk->sk_state != SCTP_SS_LISTENING)
goto success;
/* Run through the list of sockets bound to the port
* (pp->port) [via the pointers bind_next and
* bind_pprev in the struct sock *sk2 (pp->sk)]. On each one,
* we get the endpoint they describe and run through
* the endpoint's list of IP (v4 or v6) addresses,
* comparing each of the addresses with the address of
* the socket sk. If we find a match, then that means
* that this port/socket (sk) combination are already
* in an endpoint.
*/
sk_for_each_bound(sk2, node, &pp->owner) {
struct sctp_endpoint *ep2;
ep2 = sctp_sk(sk2)->ep;
if (sk == sk2 ||
(reuse && sk2->sk_reuse &&
sk2->sk_state != SCTP_SS_LISTENING))
continue;
if (sctp_bind_addr_conflict(&ep2->base.bind_addr, addr,
sctp_sk(sk2), sctp_sk(sk))) {
ret = (long)sk2;
goto fail_unlock;
}
}
SCTP_DEBUG_PRINTK("sctp_get_port(): Found a match\n");
}
pp_not_found:
/* If there was a hash table miss, create a new port. */
ret = 1;
if (!pp && !(pp = sctp_bucket_create(head, sock_net(sk), snum)))
goto fail_unlock;
/* In either case (hit or miss), make sure fastreuse is 1 only
* if sk->sk_reuse is too (that is, if the caller requested
* SO_REUSEADDR on this socket -sk-).
*/
if (hlist_empty(&pp->owner)) {
if (sk->sk_reuse && sk->sk_state != SCTP_SS_LISTENING)
pp->fastreuse = 1;
else
pp->fastreuse = 0;
} else if (pp->fastreuse &&
(!sk->sk_reuse || sk->sk_state == SCTP_SS_LISTENING))
pp->fastreuse = 0;
/* We are set, so fill up all the data in the hash table
* entry, tie the socket list information with the rest of the
* sockets FIXME: Blurry, NPI (ipg).
*/
success:
if (!sctp_sk(sk)->bind_hash) {
inet_sk(sk)->inet_num = snum;
sk_add_bind_node(sk, &pp->owner);
sctp_sk(sk)->bind_hash = pp;
}
ret = 0;
fail_unlock:
sctp_spin_unlock(&head->lock);
fail:
sctp_local_bh_enable();
return ret;
}
| +Priv | 0 | static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
{
struct sctp_bind_hashbucket *head; /* hash list */
struct sctp_bind_bucket *pp; /* hash list port iterator */
struct hlist_node *node;
unsigned short snum;
int ret;
snum = ntohs(addr->v4.sin_port);
SCTP_DEBUG_PRINTK("sctp_get_port() begins, snum=%d\n", snum);
sctp_local_bh_disable();
if (snum == 0) {
/* Search for an available port. */
int low, high, remaining, index;
unsigned int rover;
inet_get_local_port_range(&low, &high);
remaining = (high - low) + 1;
rover = net_random() % remaining + low;
do {
rover++;
if ((rover < low) || (rover > high))
rover = low;
if (inet_is_reserved_local_port(rover))
continue;
index = sctp_phashfn(sock_net(sk), rover);
head = &sctp_port_hashtable[index];
sctp_spin_lock(&head->lock);
sctp_for_each_hentry(pp, node, &head->chain)
if ((pp->port == rover) &&
net_eq(sock_net(sk), pp->net))
goto next;
break;
next:
sctp_spin_unlock(&head->lock);
} while (--remaining > 0);
/* Exhausted local port range during search? */
ret = 1;
if (remaining <= 0)
goto fail;
/* OK, here is the one we will use. HEAD (the port
* hash table list entry) is non-NULL and we hold it's
* mutex.
*/
snum = rover;
} else {
/* We are given an specific port number; we verify
* that it is not being used. If it is used, we will
* exahust the search in the hash list corresponding
* to the port number (snum) - we detect that with the
* port iterator, pp being NULL.
*/
head = &sctp_port_hashtable[sctp_phashfn(sock_net(sk), snum)];
sctp_spin_lock(&head->lock);
sctp_for_each_hentry(pp, node, &head->chain) {
if ((pp->port == snum) && net_eq(pp->net, sock_net(sk)))
goto pp_found;
}
}
pp = NULL;
goto pp_not_found;
pp_found:
if (!hlist_empty(&pp->owner)) {
/* We had a port hash table hit - there is an
* available port (pp != NULL) and it is being
* used by other socket (pp->owner not empty); that other
* socket is going to be sk2.
*/
int reuse = sk->sk_reuse;
struct sock *sk2;
SCTP_DEBUG_PRINTK("sctp_get_port() found a possible match\n");
if (pp->fastreuse && sk->sk_reuse &&
sk->sk_state != SCTP_SS_LISTENING)
goto success;
/* Run through the list of sockets bound to the port
* (pp->port) [via the pointers bind_next and
* bind_pprev in the struct sock *sk2 (pp->sk)]. On each one,
* we get the endpoint they describe and run through
* the endpoint's list of IP (v4 or v6) addresses,
* comparing each of the addresses with the address of
* the socket sk. If we find a match, then that means
* that this port/socket (sk) combination are already
* in an endpoint.
*/
sk_for_each_bound(sk2, node, &pp->owner) {
struct sctp_endpoint *ep2;
ep2 = sctp_sk(sk2)->ep;
if (sk == sk2 ||
(reuse && sk2->sk_reuse &&
sk2->sk_state != SCTP_SS_LISTENING))
continue;
if (sctp_bind_addr_conflict(&ep2->base.bind_addr, addr,
sctp_sk(sk2), sctp_sk(sk))) {
ret = (long)sk2;
goto fail_unlock;
}
}
SCTP_DEBUG_PRINTK("sctp_get_port(): Found a match\n");
}
pp_not_found:
/* If there was a hash table miss, create a new port. */
ret = 1;
if (!pp && !(pp = sctp_bucket_create(head, sock_net(sk), snum)))
goto fail_unlock;
/* In either case (hit or miss), make sure fastreuse is 1 only
* if sk->sk_reuse is too (that is, if the caller requested
* SO_REUSEADDR on this socket -sk-).
*/
if (hlist_empty(&pp->owner)) {
if (sk->sk_reuse && sk->sk_state != SCTP_SS_LISTENING)
pp->fastreuse = 1;
else
pp->fastreuse = 0;
} else if (pp->fastreuse &&
(!sk->sk_reuse || sk->sk_state == SCTP_SS_LISTENING))
pp->fastreuse = 0;
/* We are set, so fill up all the data in the hash table
* entry, tie the socket list information with the rest of the
* sockets FIXME: Blurry, NPI (ipg).
*/
success:
if (!sctp_sk(sk)->bind_hash) {
inet_sk(sk)->inet_num = snum;
sk_add_bind_node(sk, &pp->owner);
sctp_sk(sk)->bind_hash = pp;
}
ret = 0;
fail_unlock:
sctp_spin_unlock(&head->lock);
fail:
sctp_local_bh_enable();
return ret;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,456 | SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
int retval = 0;
int len;
SCTP_DEBUG_PRINTK("sctp_getsockopt(sk: %p... optname: %d)\n",
sk, optname);
/* I can hardly begin to describe how wrong this is. This is
* so broken as to be worse than useless. The API draft
* REALLY is NOT helpful here... I am not convinced that the
* semantics of getsockopt() with a level OTHER THAN SOL_SCTP
* are at all well-founded.
*/
if (level != SOL_SCTP) {
struct sctp_af *af = sctp_sk(sk)->pf->af;
retval = af->getsockopt(sk, level, optname, optval, optlen);
return retval;
}
if (get_user(len, optlen))
return -EFAULT;
sctp_lock_sock(sk);
switch (optname) {
case SCTP_STATUS:
retval = sctp_getsockopt_sctp_status(sk, len, optval, optlen);
break;
case SCTP_DISABLE_FRAGMENTS:
retval = sctp_getsockopt_disable_fragments(sk, len, optval,
optlen);
break;
case SCTP_EVENTS:
retval = sctp_getsockopt_events(sk, len, optval, optlen);
break;
case SCTP_AUTOCLOSE:
retval = sctp_getsockopt_autoclose(sk, len, optval, optlen);
break;
case SCTP_SOCKOPT_PEELOFF:
retval = sctp_getsockopt_peeloff(sk, len, optval, optlen);
break;
case SCTP_PEER_ADDR_PARAMS:
retval = sctp_getsockopt_peer_addr_params(sk, len, optval,
optlen);
break;
case SCTP_DELAYED_SACK:
retval = sctp_getsockopt_delayed_ack(sk, len, optval,
optlen);
break;
case SCTP_INITMSG:
retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
break;
case SCTP_GET_PEER_ADDRS:
retval = sctp_getsockopt_peer_addrs(sk, len, optval,
optlen);
break;
case SCTP_GET_LOCAL_ADDRS:
retval = sctp_getsockopt_local_addrs(sk, len, optval,
optlen);
break;
case SCTP_SOCKOPT_CONNECTX3:
retval = sctp_getsockopt_connectx3(sk, len, optval, optlen);
break;
case SCTP_DEFAULT_SEND_PARAM:
retval = sctp_getsockopt_default_send_param(sk, len,
optval, optlen);
break;
case SCTP_PRIMARY_ADDR:
retval = sctp_getsockopt_primary_addr(sk, len, optval, optlen);
break;
case SCTP_NODELAY:
retval = sctp_getsockopt_nodelay(sk, len, optval, optlen);
break;
case SCTP_RTOINFO:
retval = sctp_getsockopt_rtoinfo(sk, len, optval, optlen);
break;
case SCTP_ASSOCINFO:
retval = sctp_getsockopt_associnfo(sk, len, optval, optlen);
break;
case SCTP_I_WANT_MAPPED_V4_ADDR:
retval = sctp_getsockopt_mappedv4(sk, len, optval, optlen);
break;
case SCTP_MAXSEG:
retval = sctp_getsockopt_maxseg(sk, len, optval, optlen);
break;
case SCTP_GET_PEER_ADDR_INFO:
retval = sctp_getsockopt_peer_addr_info(sk, len, optval,
optlen);
break;
case SCTP_ADAPTATION_LAYER:
retval = sctp_getsockopt_adaptation_layer(sk, len, optval,
optlen);
break;
case SCTP_CONTEXT:
retval = sctp_getsockopt_context(sk, len, optval, optlen);
break;
case SCTP_FRAGMENT_INTERLEAVE:
retval = sctp_getsockopt_fragment_interleave(sk, len, optval,
optlen);
break;
case SCTP_PARTIAL_DELIVERY_POINT:
retval = sctp_getsockopt_partial_delivery_point(sk, len, optval,
optlen);
break;
case SCTP_MAX_BURST:
retval = sctp_getsockopt_maxburst(sk, len, optval, optlen);
break;
case SCTP_AUTH_KEY:
case SCTP_AUTH_CHUNK:
case SCTP_AUTH_DELETE_KEY:
retval = -EOPNOTSUPP;
break;
case SCTP_HMAC_IDENT:
retval = sctp_getsockopt_hmac_ident(sk, len, optval, optlen);
break;
case SCTP_AUTH_ACTIVE_KEY:
retval = sctp_getsockopt_active_key(sk, len, optval, optlen);
break;
case SCTP_PEER_AUTH_CHUNKS:
retval = sctp_getsockopt_peer_auth_chunks(sk, len, optval,
optlen);
break;
case SCTP_LOCAL_AUTH_CHUNKS:
retval = sctp_getsockopt_local_auth_chunks(sk, len, optval,
optlen);
break;
case SCTP_GET_ASSOC_NUMBER:
retval = sctp_getsockopt_assoc_number(sk, len, optval, optlen);
break;
case SCTP_GET_ASSOC_ID_LIST:
retval = sctp_getsockopt_assoc_ids(sk, len, optval, optlen);
break;
case SCTP_AUTO_ASCONF:
retval = sctp_getsockopt_auto_asconf(sk, len, optval, optlen);
break;
case SCTP_PEER_ADDR_THLDS:
retval = sctp_getsockopt_paddr_thresholds(sk, optval, len, optlen);
break;
case SCTP_GET_ASSOC_STATS:
retval = sctp_getsockopt_assoc_stats(sk, len, optval, optlen);
break;
default:
retval = -ENOPROTOOPT;
break;
}
sctp_release_sock(sk);
return retval;
}
| +Priv | 0 | SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
int retval = 0;
int len;
SCTP_DEBUG_PRINTK("sctp_getsockopt(sk: %p... optname: %d)\n",
sk, optname);
/* I can hardly begin to describe how wrong this is. This is
* so broken as to be worse than useless. The API draft
* REALLY is NOT helpful here... I am not convinced that the
* semantics of getsockopt() with a level OTHER THAN SOL_SCTP
* are at all well-founded.
*/
if (level != SOL_SCTP) {
struct sctp_af *af = sctp_sk(sk)->pf->af;
retval = af->getsockopt(sk, level, optname, optval, optlen);
return retval;
}
if (get_user(len, optlen))
return -EFAULT;
sctp_lock_sock(sk);
switch (optname) {
case SCTP_STATUS:
retval = sctp_getsockopt_sctp_status(sk, len, optval, optlen);
break;
case SCTP_DISABLE_FRAGMENTS:
retval = sctp_getsockopt_disable_fragments(sk, len, optval,
optlen);
break;
case SCTP_EVENTS:
retval = sctp_getsockopt_events(sk, len, optval, optlen);
break;
case SCTP_AUTOCLOSE:
retval = sctp_getsockopt_autoclose(sk, len, optval, optlen);
break;
case SCTP_SOCKOPT_PEELOFF:
retval = sctp_getsockopt_peeloff(sk, len, optval, optlen);
break;
case SCTP_PEER_ADDR_PARAMS:
retval = sctp_getsockopt_peer_addr_params(sk, len, optval,
optlen);
break;
case SCTP_DELAYED_SACK:
retval = sctp_getsockopt_delayed_ack(sk, len, optval,
optlen);
break;
case SCTP_INITMSG:
retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
break;
case SCTP_GET_PEER_ADDRS:
retval = sctp_getsockopt_peer_addrs(sk, len, optval,
optlen);
break;
case SCTP_GET_LOCAL_ADDRS:
retval = sctp_getsockopt_local_addrs(sk, len, optval,
optlen);
break;
case SCTP_SOCKOPT_CONNECTX3:
retval = sctp_getsockopt_connectx3(sk, len, optval, optlen);
break;
case SCTP_DEFAULT_SEND_PARAM:
retval = sctp_getsockopt_default_send_param(sk, len,
optval, optlen);
break;
case SCTP_PRIMARY_ADDR:
retval = sctp_getsockopt_primary_addr(sk, len, optval, optlen);
break;
case SCTP_NODELAY:
retval = sctp_getsockopt_nodelay(sk, len, optval, optlen);
break;
case SCTP_RTOINFO:
retval = sctp_getsockopt_rtoinfo(sk, len, optval, optlen);
break;
case SCTP_ASSOCINFO:
retval = sctp_getsockopt_associnfo(sk, len, optval, optlen);
break;
case SCTP_I_WANT_MAPPED_V4_ADDR:
retval = sctp_getsockopt_mappedv4(sk, len, optval, optlen);
break;
case SCTP_MAXSEG:
retval = sctp_getsockopt_maxseg(sk, len, optval, optlen);
break;
case SCTP_GET_PEER_ADDR_INFO:
retval = sctp_getsockopt_peer_addr_info(sk, len, optval,
optlen);
break;
case SCTP_ADAPTATION_LAYER:
retval = sctp_getsockopt_adaptation_layer(sk, len, optval,
optlen);
break;
case SCTP_CONTEXT:
retval = sctp_getsockopt_context(sk, len, optval, optlen);
break;
case SCTP_FRAGMENT_INTERLEAVE:
retval = sctp_getsockopt_fragment_interleave(sk, len, optval,
optlen);
break;
case SCTP_PARTIAL_DELIVERY_POINT:
retval = sctp_getsockopt_partial_delivery_point(sk, len, optval,
optlen);
break;
case SCTP_MAX_BURST:
retval = sctp_getsockopt_maxburst(sk, len, optval, optlen);
break;
case SCTP_AUTH_KEY:
case SCTP_AUTH_CHUNK:
case SCTP_AUTH_DELETE_KEY:
retval = -EOPNOTSUPP;
break;
case SCTP_HMAC_IDENT:
retval = sctp_getsockopt_hmac_ident(sk, len, optval, optlen);
break;
case SCTP_AUTH_ACTIVE_KEY:
retval = sctp_getsockopt_active_key(sk, len, optval, optlen);
break;
case SCTP_PEER_AUTH_CHUNKS:
retval = sctp_getsockopt_peer_auth_chunks(sk, len, optval,
optlen);
break;
case SCTP_LOCAL_AUTH_CHUNKS:
retval = sctp_getsockopt_local_auth_chunks(sk, len, optval,
optlen);
break;
case SCTP_GET_ASSOC_NUMBER:
retval = sctp_getsockopt_assoc_number(sk, len, optval, optlen);
break;
case SCTP_GET_ASSOC_ID_LIST:
retval = sctp_getsockopt_assoc_ids(sk, len, optval, optlen);
break;
case SCTP_AUTO_ASCONF:
retval = sctp_getsockopt_auto_asconf(sk, len, optval, optlen);
break;
case SCTP_PEER_ADDR_THLDS:
retval = sctp_getsockopt_paddr_thresholds(sk, optval, len, optlen);
break;
case SCTP_GET_ASSOC_STATS:
retval = sctp_getsockopt_assoc_stats(sk, len, optval, optlen);
break;
default:
retval = -ENOPROTOOPT;
break;
}
sctp_release_sock(sk);
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,457 | static int sctp_getsockopt_active_key(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authkeyid))
return -EINVAL;
if (copy_from_user(&val, optval, sizeof(struct sctp_authkeyid)))
return -EFAULT;
asoc = sctp_id2assoc(sk, val.scact_assoc_id);
if (!asoc && val.scact_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc)
val.scact_keynumber = asoc->active_key_id;
else
val.scact_keynumber = sctp_sk(sk)->ep->active_key_id;
len = sizeof(struct sctp_authkeyid);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_active_key(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authkeyid))
return -EINVAL;
if (copy_from_user(&val, optval, sizeof(struct sctp_authkeyid)))
return -EFAULT;
asoc = sctp_id2assoc(sk, val.scact_assoc_id);
if (!asoc && val.scact_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc)
val.scact_keynumber = asoc->active_key_id;
else
val.scact_keynumber = sctp_sk(sk)->ep->active_key_id;
len = sizeof(struct sctp_authkeyid);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,458 | static int sctp_getsockopt_assoc_ids(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_sock *sp = sctp_sk(sk);
struct sctp_association *asoc;
struct sctp_assoc_ids *ids;
u32 num = 0;
if (sctp_style(sk, TCP))
return -EOPNOTSUPP;
if (len < sizeof(struct sctp_assoc_ids))
return -EINVAL;
list_for_each_entry(asoc, &(sp->ep->asocs), asocs) {
num++;
}
if (len < sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num)
return -EINVAL;
len = sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num;
ids = kmalloc(len, GFP_KERNEL);
if (unlikely(!ids))
return -ENOMEM;
ids->gaids_number_of_ids = num;
num = 0;
list_for_each_entry(asoc, &(sp->ep->asocs), asocs) {
ids->gaids_assoc_id[num++] = asoc->assoc_id;
}
if (put_user(len, optlen) || copy_to_user(optval, ids, len)) {
kfree(ids);
return -EFAULT;
}
kfree(ids);
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_assoc_ids(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_sock *sp = sctp_sk(sk);
struct sctp_association *asoc;
struct sctp_assoc_ids *ids;
u32 num = 0;
if (sctp_style(sk, TCP))
return -EOPNOTSUPP;
if (len < sizeof(struct sctp_assoc_ids))
return -EINVAL;
list_for_each_entry(asoc, &(sp->ep->asocs), asocs) {
num++;
}
if (len < sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num)
return -EINVAL;
len = sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num;
ids = kmalloc(len, GFP_KERNEL);
if (unlikely(!ids))
return -ENOMEM;
ids->gaids_number_of_ids = num;
num = 0;
list_for_each_entry(asoc, &(sp->ep->asocs), asocs) {
ids->gaids_assoc_id[num++] = asoc->assoc_id;
}
if (put_user(len, optlen) || copy_to_user(optval, ids, len)) {
kfree(ids);
return -EFAULT;
}
kfree(ids);
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,459 | static int sctp_getsockopt_associnfo(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_assocparams assocparams;
struct sctp_association *asoc;
struct list_head *pos;
int cnt = 0;
if (len < sizeof (struct sctp_assocparams))
return -EINVAL;
len = sizeof(struct sctp_assocparams);
if (copy_from_user(&assocparams, optval, len))
return -EFAULT;
asoc = sctp_id2assoc(sk, assocparams.sasoc_assoc_id);
if (!asoc && assocparams.sasoc_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
/* Values correspoinding to the specific association */
if (asoc) {
assocparams.sasoc_asocmaxrxt = asoc->max_retrans;
assocparams.sasoc_peer_rwnd = asoc->peer.rwnd;
assocparams.sasoc_local_rwnd = asoc->a_rwnd;
assocparams.sasoc_cookie_life = (asoc->cookie_life.tv_sec
* 1000) +
(asoc->cookie_life.tv_usec
/ 1000);
list_for_each(pos, &asoc->peer.transport_addr_list) {
cnt ++;
}
assocparams.sasoc_number_peer_destinations = cnt;
} else {
/* Values corresponding to the endpoint */
struct sctp_sock *sp = sctp_sk(sk);
assocparams.sasoc_asocmaxrxt = sp->assocparams.sasoc_asocmaxrxt;
assocparams.sasoc_peer_rwnd = sp->assocparams.sasoc_peer_rwnd;
assocparams.sasoc_local_rwnd = sp->assocparams.sasoc_local_rwnd;
assocparams.sasoc_cookie_life =
sp->assocparams.sasoc_cookie_life;
assocparams.sasoc_number_peer_destinations =
sp->assocparams.
sasoc_number_peer_destinations;
}
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &assocparams, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_associnfo(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_assocparams assocparams;
struct sctp_association *asoc;
struct list_head *pos;
int cnt = 0;
if (len < sizeof (struct sctp_assocparams))
return -EINVAL;
len = sizeof(struct sctp_assocparams);
if (copy_from_user(&assocparams, optval, len))
return -EFAULT;
asoc = sctp_id2assoc(sk, assocparams.sasoc_assoc_id);
if (!asoc && assocparams.sasoc_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
/* Values correspoinding to the specific association */
if (asoc) {
assocparams.sasoc_asocmaxrxt = asoc->max_retrans;
assocparams.sasoc_peer_rwnd = asoc->peer.rwnd;
assocparams.sasoc_local_rwnd = asoc->a_rwnd;
assocparams.sasoc_cookie_life = (asoc->cookie_life.tv_sec
* 1000) +
(asoc->cookie_life.tv_usec
/ 1000);
list_for_each(pos, &asoc->peer.transport_addr_list) {
cnt ++;
}
assocparams.sasoc_number_peer_destinations = cnt;
} else {
/* Values corresponding to the endpoint */
struct sctp_sock *sp = sctp_sk(sk);
assocparams.sasoc_asocmaxrxt = sp->assocparams.sasoc_asocmaxrxt;
assocparams.sasoc_peer_rwnd = sp->assocparams.sasoc_peer_rwnd;
assocparams.sasoc_local_rwnd = sp->assocparams.sasoc_local_rwnd;
assocparams.sasoc_cookie_life =
sp->assocparams.sasoc_cookie_life;
assocparams.sasoc_number_peer_destinations =
sp->assocparams.
sasoc_number_peer_destinations;
}
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &assocparams, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,460 | SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_getaddrs_old param;
sctp_assoc_t assoc_id = 0;
int err = 0;
if (len < sizeof(param))
return -EINVAL;
if (copy_from_user(¶m, optval, sizeof(param)))
return -EFAULT;
err = __sctp_setsockopt_connectx(sk,
(struct sockaddr __user *)param.addrs,
param.addr_num, &assoc_id);
if (err == 0 || err == -EINPROGRESS) {
if (copy_to_user(optval, &assoc_id, sizeof(assoc_id)))
return -EFAULT;
if (put_user(sizeof(assoc_id), optlen))
return -EFAULT;
}
return err;
}
| +Priv | 0 | SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_getaddrs_old param;
sctp_assoc_t assoc_id = 0;
int err = 0;
if (len < sizeof(param))
return -EINVAL;
if (copy_from_user(¶m, optval, sizeof(param)))
return -EFAULT;
err = __sctp_setsockopt_connectx(sk,
(struct sockaddr __user *)param.addrs,
param.addr_num, &assoc_id);
if (err == 0 || err == -EINPROGRESS) {
if (copy_to_user(optval, &assoc_id, sizeof(assoc_id)))
return -EFAULT;
if (put_user(sizeof(assoc_id), optlen))
return -EFAULT;
}
return err;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,461 | static int sctp_getsockopt_context(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_assoc_value params;
struct sctp_sock *sp;
struct sctp_association *asoc;
if (len < sizeof(struct sctp_assoc_value))
return -EINVAL;
len = sizeof(struct sctp_assoc_value);
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
sp = sctp_sk(sk);
if (params.assoc_id != 0) {
asoc = sctp_id2assoc(sk, params.assoc_id);
if (!asoc)
return -EINVAL;
params.assoc_value = asoc->default_rcv_context;
} else {
params.assoc_value = sp->default_rcv_context;
}
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_context(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_assoc_value params;
struct sctp_sock *sp;
struct sctp_association *asoc;
if (len < sizeof(struct sctp_assoc_value))
return -EINVAL;
len = sizeof(struct sctp_assoc_value);
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
sp = sctp_sk(sk);
if (params.assoc_id != 0) {
asoc = sctp_id2assoc(sk, params.assoc_id);
if (!asoc)
return -EINVAL;
params.assoc_value = asoc->default_rcv_context;
} else {
params.assoc_value = sp->default_rcv_context;
}
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,462 | static int sctp_getsockopt_default_send_param(struct sock *sk,
int len, char __user *optval,
int __user *optlen)
{
struct sctp_sndrcvinfo info;
struct sctp_association *asoc;
struct sctp_sock *sp = sctp_sk(sk);
if (len < sizeof(struct sctp_sndrcvinfo))
return -EINVAL;
len = sizeof(struct sctp_sndrcvinfo);
if (copy_from_user(&info, optval, len))
return -EFAULT;
asoc = sctp_id2assoc(sk, info.sinfo_assoc_id);
if (!asoc && info.sinfo_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc) {
info.sinfo_stream = asoc->default_stream;
info.sinfo_flags = asoc->default_flags;
info.sinfo_ppid = asoc->default_ppid;
info.sinfo_context = asoc->default_context;
info.sinfo_timetolive = asoc->default_timetolive;
} else {
info.sinfo_stream = sp->default_stream;
info.sinfo_flags = sp->default_flags;
info.sinfo_ppid = sp->default_ppid;
info.sinfo_context = sp->default_context;
info.sinfo_timetolive = sp->default_timetolive;
}
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &info, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_default_send_param(struct sock *sk,
int len, char __user *optval,
int __user *optlen)
{
struct sctp_sndrcvinfo info;
struct sctp_association *asoc;
struct sctp_sock *sp = sctp_sk(sk);
if (len < sizeof(struct sctp_sndrcvinfo))
return -EINVAL;
len = sizeof(struct sctp_sndrcvinfo);
if (copy_from_user(&info, optval, len))
return -EFAULT;
asoc = sctp_id2assoc(sk, info.sinfo_assoc_id);
if (!asoc && info.sinfo_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc) {
info.sinfo_stream = asoc->default_stream;
info.sinfo_flags = asoc->default_flags;
info.sinfo_ppid = asoc->default_ppid;
info.sinfo_context = asoc->default_context;
info.sinfo_timetolive = asoc->default_timetolive;
} else {
info.sinfo_stream = sp->default_stream;
info.sinfo_flags = sp->default_flags;
info.sinfo_ppid = sp->default_ppid;
info.sinfo_context = sp->default_context;
info.sinfo_timetolive = sp->default_timetolive;
}
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &info, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,463 | static int sctp_getsockopt_delayed_ack(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_sack_info params;
struct sctp_association *asoc = NULL;
struct sctp_sock *sp = sctp_sk(sk);
if (len >= sizeof(struct sctp_sack_info)) {
len = sizeof(struct sctp_sack_info);
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
} else if (len == sizeof(struct sctp_assoc_value)) {
pr_warn("Use of struct sctp_assoc_value in delayed_ack socket option deprecated\n");
pr_warn("Use struct sctp_sack_info instead\n");
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
} else
return - EINVAL;
/* Get association, if sack_assoc_id != 0 and the socket is a one
* to many style socket, and an association was not found, then
* the id was invalid.
*/
asoc = sctp_id2assoc(sk, params.sack_assoc_id);
if (!asoc && params.sack_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc) {
/* Fetch association values. */
if (asoc->param_flags & SPP_SACKDELAY_ENABLE) {
params.sack_delay = jiffies_to_msecs(
asoc->sackdelay);
params.sack_freq = asoc->sackfreq;
} else {
params.sack_delay = 0;
params.sack_freq = 1;
}
} else {
/* Fetch socket values. */
if (sp->param_flags & SPP_SACKDELAY_ENABLE) {
params.sack_delay = sp->sackdelay;
params.sack_freq = sp->sackfreq;
} else {
params.sack_delay = 0;
params.sack_freq = 1;
}
}
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
if (put_user(len, optlen))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_delayed_ack(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_sack_info params;
struct sctp_association *asoc = NULL;
struct sctp_sock *sp = sctp_sk(sk);
if (len >= sizeof(struct sctp_sack_info)) {
len = sizeof(struct sctp_sack_info);
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
} else if (len == sizeof(struct sctp_assoc_value)) {
pr_warn("Use of struct sctp_assoc_value in delayed_ack socket option deprecated\n");
pr_warn("Use struct sctp_sack_info instead\n");
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
} else
return - EINVAL;
/* Get association, if sack_assoc_id != 0 and the socket is a one
* to many style socket, and an association was not found, then
* the id was invalid.
*/
asoc = sctp_id2assoc(sk, params.sack_assoc_id);
if (!asoc && params.sack_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc) {
/* Fetch association values. */
if (asoc->param_flags & SPP_SACKDELAY_ENABLE) {
params.sack_delay = jiffies_to_msecs(
asoc->sackdelay);
params.sack_freq = asoc->sackfreq;
} else {
params.sack_delay = 0;
params.sack_freq = 1;
}
} else {
/* Fetch socket values. */
if (sp->param_flags & SPP_SACKDELAY_ENABLE) {
params.sack_delay = sp->sackdelay;
params.sack_freq = sp->sackfreq;
} else {
params.sack_delay = 0;
params.sack_freq = 1;
}
}
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
if (put_user(len, optlen))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,464 | static int sctp_getsockopt_disable_fragments(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
int val;
if (len < sizeof(int))
return -EINVAL;
len = sizeof(int);
val = (sctp_sk(sk)->disable_fragments == 1);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_disable_fragments(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
int val;
if (len < sizeof(int))
return -EINVAL;
len = sizeof(int);
val = (sctp_sk(sk)->disable_fragments == 1);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,465 | static int sctp_getsockopt_hmac_ident(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_hmacalgo __user *p = (void __user *)optval;
struct sctp_hmac_algo_param *hmacs;
__u16 data_len = 0;
u32 num_idents;
if (!net->sctp.auth_enable)
return -EACCES;
hmacs = sctp_sk(sk)->ep->auth_hmacs_list;
data_len = ntohs(hmacs->param_hdr.length) - sizeof(sctp_paramhdr_t);
if (len < sizeof(struct sctp_hmacalgo) + data_len)
return -EINVAL;
len = sizeof(struct sctp_hmacalgo) + data_len;
num_idents = data_len / sizeof(u16);
if (put_user(len, optlen))
return -EFAULT;
if (put_user(num_idents, &p->shmac_num_idents))
return -EFAULT;
if (copy_to_user(p->shmac_idents, hmacs->hmac_ids, data_len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_hmac_ident(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_hmacalgo __user *p = (void __user *)optval;
struct sctp_hmac_algo_param *hmacs;
__u16 data_len = 0;
u32 num_idents;
if (!net->sctp.auth_enable)
return -EACCES;
hmacs = sctp_sk(sk)->ep->auth_hmacs_list;
data_len = ntohs(hmacs->param_hdr.length) - sizeof(sctp_paramhdr_t);
if (len < sizeof(struct sctp_hmacalgo) + data_len)
return -EINVAL;
len = sizeof(struct sctp_hmacalgo) + data_len;
num_idents = data_len / sizeof(u16);
if (put_user(len, optlen))
return -EFAULT;
if (put_user(num_idents, &p->shmac_num_idents))
return -EFAULT;
if (copy_to_user(p->shmac_idents, hmacs->hmac_ids, data_len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,466 | static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_bind_addr *bp;
struct sctp_association *asoc;
int cnt = 0;
struct sctp_getaddrs getaddrs;
struct sctp_sockaddr_entry *addr;
void __user *to;
union sctp_addr temp;
struct sctp_sock *sp = sctp_sk(sk);
int addrlen;
int err = 0;
size_t space_left;
int bytes_copied = 0;
void *addrs;
void *buf;
if (len < sizeof(struct sctp_getaddrs))
return -EINVAL;
if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
return -EFAULT;
/*
* For UDP-style sockets, id specifies the association to query.
* If the id field is set to the value '0' then the locally bound
* addresses are returned without regard to any particular
* association.
*/
if (0 == getaddrs.assoc_id) {
bp = &sctp_sk(sk)->ep->base.bind_addr;
} else {
asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
if (!asoc)
return -EINVAL;
bp = &asoc->base.bind_addr;
}
to = optval + offsetof(struct sctp_getaddrs,addrs);
space_left = len - offsetof(struct sctp_getaddrs,addrs);
addrs = kmalloc(space_left, GFP_KERNEL);
if (!addrs)
return -ENOMEM;
/* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
* addresses from the global local address list.
*/
if (sctp_list_single_entry(&bp->address_list)) {
addr = list_entry(bp->address_list.next,
struct sctp_sockaddr_entry, list);
if (sctp_is_any(sk, &addr->a)) {
cnt = sctp_copy_laddrs(sk, bp->port, addrs,
space_left, &bytes_copied);
if (cnt < 0) {
err = cnt;
goto out;
}
goto copy_getaddrs;
}
}
buf = addrs;
/* Protection on the bound address list is not needed since
* in the socket option context we hold a socket lock and
* thus the bound address list can't change.
*/
list_for_each_entry(addr, &bp->address_list, list) {
memcpy(&temp, &addr->a, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if (space_left < addrlen) {
err = -ENOMEM; /*fixme: right error?*/
goto out;
}
memcpy(buf, &temp, addrlen);
buf += addrlen;
bytes_copied += addrlen;
cnt ++;
space_left -= addrlen;
}
copy_getaddrs:
if (copy_to_user(to, addrs, bytes_copied)) {
err = -EFAULT;
goto out;
}
if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) {
err = -EFAULT;
goto out;
}
if (put_user(bytes_copied, optlen))
err = -EFAULT;
out:
kfree(addrs);
return err;
}
| +Priv | 0 | static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_bind_addr *bp;
struct sctp_association *asoc;
int cnt = 0;
struct sctp_getaddrs getaddrs;
struct sctp_sockaddr_entry *addr;
void __user *to;
union sctp_addr temp;
struct sctp_sock *sp = sctp_sk(sk);
int addrlen;
int err = 0;
size_t space_left;
int bytes_copied = 0;
void *addrs;
void *buf;
if (len < sizeof(struct sctp_getaddrs))
return -EINVAL;
if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
return -EFAULT;
/*
* For UDP-style sockets, id specifies the association to query.
* If the id field is set to the value '0' then the locally bound
* addresses are returned without regard to any particular
* association.
*/
if (0 == getaddrs.assoc_id) {
bp = &sctp_sk(sk)->ep->base.bind_addr;
} else {
asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
if (!asoc)
return -EINVAL;
bp = &asoc->base.bind_addr;
}
to = optval + offsetof(struct sctp_getaddrs,addrs);
space_left = len - offsetof(struct sctp_getaddrs,addrs);
addrs = kmalloc(space_left, GFP_KERNEL);
if (!addrs)
return -ENOMEM;
/* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
* addresses from the global local address list.
*/
if (sctp_list_single_entry(&bp->address_list)) {
addr = list_entry(bp->address_list.next,
struct sctp_sockaddr_entry, list);
if (sctp_is_any(sk, &addr->a)) {
cnt = sctp_copy_laddrs(sk, bp->port, addrs,
space_left, &bytes_copied);
if (cnt < 0) {
err = cnt;
goto out;
}
goto copy_getaddrs;
}
}
buf = addrs;
/* Protection on the bound address list is not needed since
* in the socket option context we hold a socket lock and
* thus the bound address list can't change.
*/
list_for_each_entry(addr, &bp->address_list, list) {
memcpy(&temp, &addr->a, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if (space_left < addrlen) {
err = -ENOMEM; /*fixme: right error?*/
goto out;
}
memcpy(buf, &temp, addrlen);
buf += addrlen;
bytes_copied += addrlen;
cnt ++;
space_left -= addrlen;
}
copy_getaddrs:
if (copy_to_user(to, addrs, bytes_copied)) {
err = -EFAULT;
goto out;
}
if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) {
err = -EFAULT;
goto out;
}
if (put_user(bytes_copied, optlen))
err = -EFAULT;
out:
kfree(addrs);
return err;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,467 | static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authchunks __user *p = (void __user *)optval;
struct sctp_authchunks val;
struct sctp_association *asoc;
struct sctp_chunks_param *ch;
u32 num_chunks = 0;
char __user *to;
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authchunks))
return -EINVAL;
if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
return -EFAULT;
to = p->gauth_chunks;
asoc = sctp_id2assoc(sk, val.gauth_assoc_id);
if (!asoc && val.gauth_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc)
ch = (struct sctp_chunks_param*)asoc->c.auth_chunks;
else
ch = sctp_sk(sk)->ep->auth_chunk_list;
if (!ch)
goto num;
num_chunks = ntohs(ch->param_hdr.length) - sizeof(sctp_paramhdr_t);
if (len < sizeof(struct sctp_authchunks) + num_chunks)
return -EINVAL;
if (copy_to_user(to, ch->chunks, num_chunks))
return -EFAULT;
num:
len = sizeof(struct sctp_authchunks) + num_chunks;
if (put_user(len, optlen))
return -EFAULT;
if (put_user(num_chunks, &p->gauth_number_of_chunks))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authchunks __user *p = (void __user *)optval;
struct sctp_authchunks val;
struct sctp_association *asoc;
struct sctp_chunks_param *ch;
u32 num_chunks = 0;
char __user *to;
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authchunks))
return -EINVAL;
if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
return -EFAULT;
to = p->gauth_chunks;
asoc = sctp_id2assoc(sk, val.gauth_assoc_id);
if (!asoc && val.gauth_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc)
ch = (struct sctp_chunks_param*)asoc->c.auth_chunks;
else
ch = sctp_sk(sk)->ep->auth_chunk_list;
if (!ch)
goto num;
num_chunks = ntohs(ch->param_hdr.length) - sizeof(sctp_paramhdr_t);
if (len < sizeof(struct sctp_authchunks) + num_chunks)
return -EINVAL;
if (copy_to_user(to, ch->chunks, num_chunks))
return -EFAULT;
num:
len = sizeof(struct sctp_authchunks) + num_chunks;
if (put_user(len, optlen))
return -EFAULT;
if (put_user(num_chunks, &p->gauth_number_of_chunks))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,468 | static int sctp_getsockopt_mappedv4(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
int val;
struct sctp_sock *sp = sctp_sk(sk);
if (len < sizeof(int))
return -EINVAL;
len = sizeof(int);
val = sp->v4mapped;
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_mappedv4(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
int val;
struct sctp_sock *sp = sctp_sk(sk);
if (len < sizeof(int))
return -EINVAL;
len = sizeof(int);
val = sp->v4mapped;
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,469 | static int sctp_getsockopt_maxburst(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_assoc_value params;
struct sctp_sock *sp;
struct sctp_association *asoc;
if (len == sizeof(int)) {
pr_warn("Use of int in max_burst socket option deprecated\n");
pr_warn("Use struct sctp_assoc_value instead\n");
params.assoc_id = 0;
} else if (len >= sizeof(struct sctp_assoc_value)) {
len = sizeof(struct sctp_assoc_value);
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
} else
return -EINVAL;
sp = sctp_sk(sk);
if (params.assoc_id != 0) {
asoc = sctp_id2assoc(sk, params.assoc_id);
if (!asoc)
return -EINVAL;
params.assoc_value = asoc->max_burst;
} else
params.assoc_value = sp->max_burst;
if (len == sizeof(int)) {
if (copy_to_user(optval, ¶ms.assoc_value, len))
return -EFAULT;
} else {
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
}
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_maxburst(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_assoc_value params;
struct sctp_sock *sp;
struct sctp_association *asoc;
if (len == sizeof(int)) {
pr_warn("Use of int in max_burst socket option deprecated\n");
pr_warn("Use struct sctp_assoc_value instead\n");
params.assoc_id = 0;
} else if (len >= sizeof(struct sctp_assoc_value)) {
len = sizeof(struct sctp_assoc_value);
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
} else
return -EINVAL;
sp = sctp_sk(sk);
if (params.assoc_id != 0) {
asoc = sctp_id2assoc(sk, params.assoc_id);
if (!asoc)
return -EINVAL;
params.assoc_value = asoc->max_burst;
} else
params.assoc_value = sp->max_burst;
if (len == sizeof(int)) {
if (copy_to_user(optval, ¶ms.assoc_value, len))
return -EFAULT;
} else {
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
}
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,470 | static int sctp_getsockopt_maxseg(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_assoc_value params;
struct sctp_association *asoc;
if (len == sizeof(int)) {
pr_warn("Use of int in maxseg socket option deprecated\n");
pr_warn("Use struct sctp_assoc_value instead\n");
params.assoc_id = 0;
} else if (len >= sizeof(struct sctp_assoc_value)) {
len = sizeof(struct sctp_assoc_value);
if (copy_from_user(¶ms, optval, sizeof(params)))
return -EFAULT;
} else
return -EINVAL;
asoc = sctp_id2assoc(sk, params.assoc_id);
if (!asoc && params.assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc)
params.assoc_value = asoc->frag_point;
else
params.assoc_value = sctp_sk(sk)->user_frag;
if (put_user(len, optlen))
return -EFAULT;
if (len == sizeof(int)) {
if (copy_to_user(optval, ¶ms.assoc_value, len))
return -EFAULT;
} else {
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
}
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_maxseg(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_assoc_value params;
struct sctp_association *asoc;
if (len == sizeof(int)) {
pr_warn("Use of int in maxseg socket option deprecated\n");
pr_warn("Use struct sctp_assoc_value instead\n");
params.assoc_id = 0;
} else if (len >= sizeof(struct sctp_assoc_value)) {
len = sizeof(struct sctp_assoc_value);
if (copy_from_user(¶ms, optval, sizeof(params)))
return -EFAULT;
} else
return -EINVAL;
asoc = sctp_id2assoc(sk, params.assoc_id);
if (!asoc && params.assoc_id && sctp_style(sk, UDP))
return -EINVAL;
if (asoc)
params.assoc_value = asoc->frag_point;
else
params.assoc_value = sctp_sk(sk)->user_frag;
if (put_user(len, optlen))
return -EFAULT;
if (len == sizeof(int)) {
if (copy_to_user(optval, ¶ms.assoc_value, len))
return -EFAULT;
} else {
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
}
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,471 | static int sctp_getsockopt_nodelay(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
int val;
if (len < sizeof(int))
return -EINVAL;
len = sizeof(int);
val = (sctp_sk(sk)->nodelay == 1);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_nodelay(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
int val;
if (len < sizeof(int))
return -EINVAL;
len = sizeof(int);
val = (sctp_sk(sk)->nodelay == 1);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,472 | static int sctp_getsockopt_paddr_thresholds(struct sock *sk,
char __user *optval,
int len,
int __user *optlen)
{
struct sctp_paddrthlds val;
struct sctp_transport *trans;
struct sctp_association *asoc;
if (len < sizeof(struct sctp_paddrthlds))
return -EINVAL;
len = sizeof(struct sctp_paddrthlds);
if (copy_from_user(&val, (struct sctp_paddrthlds __user *)optval, len))
return -EFAULT;
if (sctp_is_any(sk, (const union sctp_addr *)&val.spt_address)) {
asoc = sctp_id2assoc(sk, val.spt_assoc_id);
if (!asoc)
return -ENOENT;
val.spt_pathpfthld = asoc->pf_retrans;
val.spt_pathmaxrxt = asoc->pathmaxrxt;
} else {
trans = sctp_addr_id2transport(sk, &val.spt_address,
val.spt_assoc_id);
if (!trans)
return -ENOENT;
val.spt_pathmaxrxt = trans->pathmaxrxt;
val.spt_pathpfthld = trans->pf_retrans;
}
if (put_user(len, optlen) || copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_paddr_thresholds(struct sock *sk,
char __user *optval,
int len,
int __user *optlen)
{
struct sctp_paddrthlds val;
struct sctp_transport *trans;
struct sctp_association *asoc;
if (len < sizeof(struct sctp_paddrthlds))
return -EINVAL;
len = sizeof(struct sctp_paddrthlds);
if (copy_from_user(&val, (struct sctp_paddrthlds __user *)optval, len))
return -EFAULT;
if (sctp_is_any(sk, (const union sctp_addr *)&val.spt_address)) {
asoc = sctp_id2assoc(sk, val.spt_assoc_id);
if (!asoc)
return -ENOENT;
val.spt_pathpfthld = asoc->pf_retrans;
val.spt_pathmaxrxt = asoc->pathmaxrxt;
} else {
trans = sctp_addr_id2transport(sk, &val.spt_address,
val.spt_assoc_id);
if (!trans)
return -ENOENT;
val.spt_pathmaxrxt = trans->pathmaxrxt;
val.spt_pathpfthld = trans->pf_retrans;
}
if (put_user(len, optlen) || copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,473 | static int sctp_getsockopt_partial_delivery_point(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
u32 val;
if (len < sizeof(u32))
return -EINVAL;
len = sizeof(u32);
val = sctp_sk(sk)->pd_point;
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_partial_delivery_point(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
u32 val;
if (len < sizeof(u32))
return -EINVAL;
len = sizeof(u32);
val = sctp_sk(sk)->pd_point;
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,474 | static int sctp_getsockopt_peer_addr_info(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_paddrinfo pinfo;
struct sctp_transport *transport;
int retval = 0;
if (len < sizeof(pinfo)) {
retval = -EINVAL;
goto out;
}
len = sizeof(pinfo);
if (copy_from_user(&pinfo, optval, len)) {
retval = -EFAULT;
goto out;
}
transport = sctp_addr_id2transport(sk, &pinfo.spinfo_address,
pinfo.spinfo_assoc_id);
if (!transport)
return -EINVAL;
pinfo.spinfo_assoc_id = sctp_assoc2id(transport->asoc);
pinfo.spinfo_state = transport->state;
pinfo.spinfo_cwnd = transport->cwnd;
pinfo.spinfo_srtt = transport->srtt;
pinfo.spinfo_rto = jiffies_to_msecs(transport->rto);
pinfo.spinfo_mtu = transport->pathmtu;
if (pinfo.spinfo_state == SCTP_UNKNOWN)
pinfo.spinfo_state = SCTP_ACTIVE;
if (put_user(len, optlen)) {
retval = -EFAULT;
goto out;
}
if (copy_to_user(optval, &pinfo, len)) {
retval = -EFAULT;
goto out;
}
out:
return retval;
}
| +Priv | 0 | static int sctp_getsockopt_peer_addr_info(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_paddrinfo pinfo;
struct sctp_transport *transport;
int retval = 0;
if (len < sizeof(pinfo)) {
retval = -EINVAL;
goto out;
}
len = sizeof(pinfo);
if (copy_from_user(&pinfo, optval, len)) {
retval = -EFAULT;
goto out;
}
transport = sctp_addr_id2transport(sk, &pinfo.spinfo_address,
pinfo.spinfo_assoc_id);
if (!transport)
return -EINVAL;
pinfo.spinfo_assoc_id = sctp_assoc2id(transport->asoc);
pinfo.spinfo_state = transport->state;
pinfo.spinfo_cwnd = transport->cwnd;
pinfo.spinfo_srtt = transport->srtt;
pinfo.spinfo_rto = jiffies_to_msecs(transport->rto);
pinfo.spinfo_mtu = transport->pathmtu;
if (pinfo.spinfo_state == SCTP_UNKNOWN)
pinfo.spinfo_state = SCTP_ACTIVE;
if (put_user(len, optlen)) {
retval = -EFAULT;
goto out;
}
if (copy_to_user(optval, &pinfo, len)) {
retval = -EFAULT;
goto out;
}
out:
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,475 | static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_paddrparams params;
struct sctp_transport *trans = NULL;
struct sctp_association *asoc = NULL;
struct sctp_sock *sp = sctp_sk(sk);
if (len < sizeof(struct sctp_paddrparams))
return -EINVAL;
len = sizeof(struct sctp_paddrparams);
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
/* If an address other than INADDR_ANY is specified, and
* no transport is found, then the request is invalid.
*/
if (!sctp_is_any(sk, ( union sctp_addr *)¶ms.spp_address)) {
trans = sctp_addr_id2transport(sk, ¶ms.spp_address,
params.spp_assoc_id);
if (!trans) {
SCTP_DEBUG_PRINTK("Failed no transport\n");
return -EINVAL;
}
}
/* Get association, if assoc_id != 0 and the socket is a one
* to many style socket, and an association was not found, then
* the id was invalid.
*/
asoc = sctp_id2assoc(sk, params.spp_assoc_id);
if (!asoc && params.spp_assoc_id && sctp_style(sk, UDP)) {
SCTP_DEBUG_PRINTK("Failed no association\n");
return -EINVAL;
}
if (trans) {
/* Fetch transport values. */
params.spp_hbinterval = jiffies_to_msecs(trans->hbinterval);
params.spp_pathmtu = trans->pathmtu;
params.spp_pathmaxrxt = trans->pathmaxrxt;
params.spp_sackdelay = jiffies_to_msecs(trans->sackdelay);
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = trans->param_flags;
} else if (asoc) {
/* Fetch association values. */
params.spp_hbinterval = jiffies_to_msecs(asoc->hbinterval);
params.spp_pathmtu = asoc->pathmtu;
params.spp_pathmaxrxt = asoc->pathmaxrxt;
params.spp_sackdelay = jiffies_to_msecs(asoc->sackdelay);
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = asoc->param_flags;
} else {
/* Fetch socket values. */
params.spp_hbinterval = sp->hbinterval;
params.spp_pathmtu = sp->pathmtu;
params.spp_sackdelay = sp->sackdelay;
params.spp_pathmaxrxt = sp->pathmaxrxt;
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = sp->param_flags;
}
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
if (put_user(len, optlen))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_paddrparams params;
struct sctp_transport *trans = NULL;
struct sctp_association *asoc = NULL;
struct sctp_sock *sp = sctp_sk(sk);
if (len < sizeof(struct sctp_paddrparams))
return -EINVAL;
len = sizeof(struct sctp_paddrparams);
if (copy_from_user(¶ms, optval, len))
return -EFAULT;
/* If an address other than INADDR_ANY is specified, and
* no transport is found, then the request is invalid.
*/
if (!sctp_is_any(sk, ( union sctp_addr *)¶ms.spp_address)) {
trans = sctp_addr_id2transport(sk, ¶ms.spp_address,
params.spp_assoc_id);
if (!trans) {
SCTP_DEBUG_PRINTK("Failed no transport\n");
return -EINVAL;
}
}
/* Get association, if assoc_id != 0 and the socket is a one
* to many style socket, and an association was not found, then
* the id was invalid.
*/
asoc = sctp_id2assoc(sk, params.spp_assoc_id);
if (!asoc && params.spp_assoc_id && sctp_style(sk, UDP)) {
SCTP_DEBUG_PRINTK("Failed no association\n");
return -EINVAL;
}
if (trans) {
/* Fetch transport values. */
params.spp_hbinterval = jiffies_to_msecs(trans->hbinterval);
params.spp_pathmtu = trans->pathmtu;
params.spp_pathmaxrxt = trans->pathmaxrxt;
params.spp_sackdelay = jiffies_to_msecs(trans->sackdelay);
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = trans->param_flags;
} else if (asoc) {
/* Fetch association values. */
params.spp_hbinterval = jiffies_to_msecs(asoc->hbinterval);
params.spp_pathmtu = asoc->pathmtu;
params.spp_pathmaxrxt = asoc->pathmaxrxt;
params.spp_sackdelay = jiffies_to_msecs(asoc->sackdelay);
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = asoc->param_flags;
} else {
/* Fetch socket values. */
params.spp_hbinterval = sp->hbinterval;
params.spp_pathmtu = sp->pathmtu;
params.spp_sackdelay = sp->sackdelay;
params.spp_pathmaxrxt = sp->pathmaxrxt;
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = sp->param_flags;
}
if (copy_to_user(optval, ¶ms, len))
return -EFAULT;
if (put_user(len, optlen))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,476 | static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_association *asoc;
int cnt = 0;
struct sctp_getaddrs getaddrs;
struct sctp_transport *from;
void __user *to;
union sctp_addr temp;
struct sctp_sock *sp = sctp_sk(sk);
int addrlen;
size_t space_left;
int bytes_copied;
if (len < sizeof(struct sctp_getaddrs))
return -EINVAL;
if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
return -EFAULT;
/* For UDP-style sockets, id specifies the association to query. */
asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
if (!asoc)
return -EINVAL;
to = optval + offsetof(struct sctp_getaddrs,addrs);
space_left = len - offsetof(struct sctp_getaddrs,addrs);
list_for_each_entry(from, &asoc->peer.transport_addr_list,
transports) {
memcpy(&temp, &from->ipaddr, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if (space_left < addrlen)
return -ENOMEM;
if (copy_to_user(to, &temp, addrlen))
return -EFAULT;
to += addrlen;
cnt++;
space_left -= addrlen;
}
if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num))
return -EFAULT;
bytes_copied = ((char __user *)to) - optval;
if (put_user(bytes_copied, optlen))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct sctp_association *asoc;
int cnt = 0;
struct sctp_getaddrs getaddrs;
struct sctp_transport *from;
void __user *to;
union sctp_addr temp;
struct sctp_sock *sp = sctp_sk(sk);
int addrlen;
size_t space_left;
int bytes_copied;
if (len < sizeof(struct sctp_getaddrs))
return -EINVAL;
if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
return -EFAULT;
/* For UDP-style sockets, id specifies the association to query. */
asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
if (!asoc)
return -EINVAL;
to = optval + offsetof(struct sctp_getaddrs,addrs);
space_left = len - offsetof(struct sctp_getaddrs,addrs);
list_for_each_entry(from, &asoc->peer.transport_addr_list,
transports) {
memcpy(&temp, &from->ipaddr, sizeof(temp));
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
if (space_left < addrlen)
return -ENOMEM;
if (copy_to_user(to, &temp, addrlen))
return -EFAULT;
to += addrlen;
cnt++;
space_left -= addrlen;
}
if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num))
return -EFAULT;
bytes_copied = ((char __user *)to) - optval;
if (put_user(bytes_copied, optlen))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,477 | static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authchunks __user *p = (void __user *)optval;
struct sctp_authchunks val;
struct sctp_association *asoc;
struct sctp_chunks_param *ch;
u32 num_chunks = 0;
char __user *to;
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authchunks))
return -EINVAL;
if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
return -EFAULT;
to = p->gauth_chunks;
asoc = sctp_id2assoc(sk, val.gauth_assoc_id);
if (!asoc)
return -EINVAL;
ch = asoc->peer.peer_chunks;
if (!ch)
goto num;
/* See if the user provided enough room for all the data */
num_chunks = ntohs(ch->param_hdr.length) - sizeof(sctp_paramhdr_t);
if (len < num_chunks)
return -EINVAL;
if (copy_to_user(to, ch->chunks, num_chunks))
return -EFAULT;
num:
len = sizeof(struct sctp_authchunks) + num_chunks;
if (put_user(len, optlen)) return -EFAULT;
if (put_user(num_chunks, &p->gauth_number_of_chunks))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
struct net *net = sock_net(sk);
struct sctp_authchunks __user *p = (void __user *)optval;
struct sctp_authchunks val;
struct sctp_association *asoc;
struct sctp_chunks_param *ch;
u32 num_chunks = 0;
char __user *to;
if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authchunks))
return -EINVAL;
if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
return -EFAULT;
to = p->gauth_chunks;
asoc = sctp_id2assoc(sk, val.gauth_assoc_id);
if (!asoc)
return -EINVAL;
ch = asoc->peer.peer_chunks;
if (!ch)
goto num;
/* See if the user provided enough room for all the data */
num_chunks = ntohs(ch->param_hdr.length) - sizeof(sctp_paramhdr_t);
if (len < num_chunks)
return -EINVAL;
if (copy_to_user(to, ch->chunks, num_chunks))
return -EFAULT;
num:
len = sizeof(struct sctp_authchunks) + num_chunks;
if (put_user(len, optlen)) return -EFAULT;
if (put_user(num_chunks, &p->gauth_number_of_chunks))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,478 | static int sctp_getsockopt_rtoinfo(struct sock *sk, int len,
char __user *optval,
int __user *optlen) {
struct sctp_rtoinfo rtoinfo;
struct sctp_association *asoc;
if (len < sizeof (struct sctp_rtoinfo))
return -EINVAL;
len = sizeof(struct sctp_rtoinfo);
if (copy_from_user(&rtoinfo, optval, len))
return -EFAULT;
asoc = sctp_id2assoc(sk, rtoinfo.srto_assoc_id);
if (!asoc && rtoinfo.srto_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
/* Values corresponding to the specific association. */
if (asoc) {
rtoinfo.srto_initial = jiffies_to_msecs(asoc->rto_initial);
rtoinfo.srto_max = jiffies_to_msecs(asoc->rto_max);
rtoinfo.srto_min = jiffies_to_msecs(asoc->rto_min);
} else {
/* Values corresponding to the endpoint. */
struct sctp_sock *sp = sctp_sk(sk);
rtoinfo.srto_initial = sp->rtoinfo.srto_initial;
rtoinfo.srto_max = sp->rtoinfo.srto_max;
rtoinfo.srto_min = sp->rtoinfo.srto_min;
}
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &rtoinfo, len))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_getsockopt_rtoinfo(struct sock *sk, int len,
char __user *optval,
int __user *optlen) {
struct sctp_rtoinfo rtoinfo;
struct sctp_association *asoc;
if (len < sizeof (struct sctp_rtoinfo))
return -EINVAL;
len = sizeof(struct sctp_rtoinfo);
if (copy_from_user(&rtoinfo, optval, len))
return -EFAULT;
asoc = sctp_id2assoc(sk, rtoinfo.srto_assoc_id);
if (!asoc && rtoinfo.srto_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
/* Values corresponding to the specific association. */
if (asoc) {
rtoinfo.srto_initial = jiffies_to_msecs(asoc->rto_initial);
rtoinfo.srto_max = jiffies_to_msecs(asoc->rto_max);
rtoinfo.srto_min = jiffies_to_msecs(asoc->rto_min);
} else {
/* Values corresponding to the endpoint. */
struct sctp_sock *sp = sctp_sk(sk);
rtoinfo.srto_initial = sp->rtoinfo.srto_initial;
rtoinfo.srto_max = sp->rtoinfo.srto_max;
rtoinfo.srto_min = sp->rtoinfo.srto_min;
}
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &rtoinfo, len))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,479 | static int sctp_getsockopt_sctp_status(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_status status;
struct sctp_association *asoc = NULL;
struct sctp_transport *transport;
sctp_assoc_t associd;
int retval = 0;
if (len < sizeof(status)) {
retval = -EINVAL;
goto out;
}
len = sizeof(status);
if (copy_from_user(&status, optval, len)) {
retval = -EFAULT;
goto out;
}
associd = status.sstat_assoc_id;
asoc = sctp_id2assoc(sk, associd);
if (!asoc) {
retval = -EINVAL;
goto out;
}
transport = asoc->peer.primary_path;
status.sstat_assoc_id = sctp_assoc2id(asoc);
status.sstat_state = asoc->state;
status.sstat_rwnd = asoc->peer.rwnd;
status.sstat_unackdata = asoc->unack_data;
status.sstat_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map);
status.sstat_instrms = asoc->c.sinit_max_instreams;
status.sstat_outstrms = asoc->c.sinit_num_ostreams;
status.sstat_fragmentation_point = asoc->frag_point;
status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc);
memcpy(&status.sstat_primary.spinfo_address, &transport->ipaddr,
transport->af_specific->sockaddr_len);
/* Map ipv4 address into v4-mapped-on-v6 address. */
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
(union sctp_addr *)&status.sstat_primary.spinfo_address);
status.sstat_primary.spinfo_state = transport->state;
status.sstat_primary.spinfo_cwnd = transport->cwnd;
status.sstat_primary.spinfo_srtt = transport->srtt;
status.sstat_primary.spinfo_rto = jiffies_to_msecs(transport->rto);
status.sstat_primary.spinfo_mtu = transport->pathmtu;
if (status.sstat_primary.spinfo_state == SCTP_UNKNOWN)
status.sstat_primary.spinfo_state = SCTP_ACTIVE;
if (put_user(len, optlen)) {
retval = -EFAULT;
goto out;
}
SCTP_DEBUG_PRINTK("sctp_getsockopt_sctp_status(%d): %d %d %d\n",
len, status.sstat_state, status.sstat_rwnd,
status.sstat_assoc_id);
if (copy_to_user(optval, &status, len)) {
retval = -EFAULT;
goto out;
}
out:
return retval;
}
| +Priv | 0 | static int sctp_getsockopt_sctp_status(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
struct sctp_status status;
struct sctp_association *asoc = NULL;
struct sctp_transport *transport;
sctp_assoc_t associd;
int retval = 0;
if (len < sizeof(status)) {
retval = -EINVAL;
goto out;
}
len = sizeof(status);
if (copy_from_user(&status, optval, len)) {
retval = -EFAULT;
goto out;
}
associd = status.sstat_assoc_id;
asoc = sctp_id2assoc(sk, associd);
if (!asoc) {
retval = -EINVAL;
goto out;
}
transport = asoc->peer.primary_path;
status.sstat_assoc_id = sctp_assoc2id(asoc);
status.sstat_state = asoc->state;
status.sstat_rwnd = asoc->peer.rwnd;
status.sstat_unackdata = asoc->unack_data;
status.sstat_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map);
status.sstat_instrms = asoc->c.sinit_max_instreams;
status.sstat_outstrms = asoc->c.sinit_num_ostreams;
status.sstat_fragmentation_point = asoc->frag_point;
status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc);
memcpy(&status.sstat_primary.spinfo_address, &transport->ipaddr,
transport->af_specific->sockaddr_len);
/* Map ipv4 address into v4-mapped-on-v6 address. */
sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
(union sctp_addr *)&status.sstat_primary.spinfo_address);
status.sstat_primary.spinfo_state = transport->state;
status.sstat_primary.spinfo_cwnd = transport->cwnd;
status.sstat_primary.spinfo_srtt = transport->srtt;
status.sstat_primary.spinfo_rto = jiffies_to_msecs(transport->rto);
status.sstat_primary.spinfo_mtu = transport->pathmtu;
if (status.sstat_primary.spinfo_state == SCTP_UNKNOWN)
status.sstat_primary.spinfo_state = SCTP_ACTIVE;
if (put_user(len, optlen)) {
retval = -EFAULT;
goto out;
}
SCTP_DEBUG_PRINTK("sctp_getsockopt_sctp_status(%d): %d %d %d\n",
len, status.sstat_state, status.sstat_rwnd,
status.sstat_assoc_id);
if (copy_to_user(optval, &status, len)) {
retval = -EFAULT;
goto out;
}
out:
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,480 | static void sctp_hash(struct sock *sk)
{
/* STUB */
}
| +Priv | 0 | static void sctp_hash(struct sock *sk)
{
/* STUB */
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,481 | struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id)
{
struct sctp_association *asoc = NULL;
/* If this is not a UDP-style socket, assoc id should be ignored. */
if (!sctp_style(sk, UDP)) {
/* Return NULL if the socket state is not ESTABLISHED. It
* could be a TCP-style listening socket or a socket which
* hasn't yet called connect() to establish an association.
*/
if (!sctp_sstate(sk, ESTABLISHED))
return NULL;
/* Get the first and the only association from the list. */
if (!list_empty(&sctp_sk(sk)->ep->asocs))
asoc = list_entry(sctp_sk(sk)->ep->asocs.next,
struct sctp_association, asocs);
return asoc;
}
/* Otherwise this is a UDP-style socket. */
if (!id || (id == (sctp_assoc_t)-1))
return NULL;
spin_lock_bh(&sctp_assocs_id_lock);
asoc = (struct sctp_association *)idr_find(&sctp_assocs_id, (int)id);
spin_unlock_bh(&sctp_assocs_id_lock);
if (!asoc || (asoc->base.sk != sk) || asoc->base.dead)
return NULL;
return asoc;
}
| +Priv | 0 | struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id)
{
struct sctp_association *asoc = NULL;
/* If this is not a UDP-style socket, assoc id should be ignored. */
if (!sctp_style(sk, UDP)) {
/* Return NULL if the socket state is not ESTABLISHED. It
* could be a TCP-style listening socket or a socket which
* hasn't yet called connect() to establish an association.
*/
if (!sctp_sstate(sk, ESTABLISHED))
return NULL;
/* Get the first and the only association from the list. */
if (!list_empty(&sctp_sk(sk)->ep->asocs))
asoc = list_entry(sctp_sk(sk)->ep->asocs.next,
struct sctp_association, asocs);
return asoc;
}
/* Otherwise this is a UDP-style socket. */
if (!id || (id == (sctp_assoc_t)-1))
return NULL;
spin_lock_bh(&sctp_assocs_id_lock);
asoc = (struct sctp_association *)idr_find(&sctp_assocs_id, (int)id);
spin_unlock_bh(&sctp_assocs_id_lock);
if (!asoc || (asoc->base.sk != sk) || asoc->base.dead)
return NULL;
return asoc;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,482 | int sctp_inet_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
struct sctp_endpoint *ep = sctp_sk(sk)->ep;
int err = -EINVAL;
if (unlikely(backlog < 0))
return err;
sctp_lock_sock(sk);
/* Peeled-off sockets are not allowed to listen(). */
if (sctp_style(sk, UDP_HIGH_BANDWIDTH))
goto out;
if (sock->state != SS_UNCONNECTED)
goto out;
/* If backlog is zero, disable listening. */
if (!backlog) {
if (sctp_sstate(sk, CLOSED))
goto out;
err = 0;
sctp_unhash_endpoint(ep);
sk->sk_state = SCTP_SS_CLOSED;
if (sk->sk_reuse)
sctp_sk(sk)->bind_hash->fastreuse = 1;
goto out;
}
/* If we are already listening, just update the backlog */
if (sctp_sstate(sk, LISTENING))
sk->sk_max_ack_backlog = backlog;
else {
err = sctp_listen_start(sk, backlog);
if (err)
goto out;
}
err = 0;
out:
sctp_release_sock(sk);
return err;
}
| +Priv | 0 | int sctp_inet_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
struct sctp_endpoint *ep = sctp_sk(sk)->ep;
int err = -EINVAL;
if (unlikely(backlog < 0))
return err;
sctp_lock_sock(sk);
/* Peeled-off sockets are not allowed to listen(). */
if (sctp_style(sk, UDP_HIGH_BANDWIDTH))
goto out;
if (sock->state != SS_UNCONNECTED)
goto out;
/* If backlog is zero, disable listening. */
if (!backlog) {
if (sctp_sstate(sk, CLOSED))
goto out;
err = 0;
sctp_unhash_endpoint(ep);
sk->sk_state = SCTP_SS_CLOSED;
if (sk->sk_reuse)
sctp_sk(sk)->bind_hash->fastreuse = 1;
goto out;
}
/* If we are already listening, just update the backlog */
if (sctp_sstate(sk, LISTENING))
sk->sk_max_ack_backlog = backlog;
else {
err = sctp_listen_start(sk, backlog);
if (err)
goto out;
}
err = 0;
out:
sctp_release_sock(sk);
return err;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,483 | SCTP_STATIC int sctp_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
int rc = -ENOTCONN;
sctp_lock_sock(sk);
/*
* SEQPACKET-style sockets in LISTENING state are valid, for
* SCTP, so only discard TCP-style sockets in LISTENING state.
*/
if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING))
goto out;
switch (cmd) {
case SIOCINQ: {
struct sk_buff *skb;
unsigned int amount = 0;
skb = skb_peek(&sk->sk_receive_queue);
if (skb != NULL) {
/*
* We will only return the amount of this packet since
* that is all that will be read.
*/
amount = skb->len;
}
rc = put_user(amount, (int __user *)arg);
break;
}
default:
rc = -ENOIOCTLCMD;
break;
}
out:
sctp_release_sock(sk);
return rc;
}
| +Priv | 0 | SCTP_STATIC int sctp_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
int rc = -ENOTCONN;
sctp_lock_sock(sk);
/*
* SEQPACKET-style sockets in LISTENING state are valid, for
* SCTP, so only discard TCP-style sockets in LISTENING state.
*/
if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING))
goto out;
switch (cmd) {
case SIOCINQ: {
struct sk_buff *skb;
unsigned int amount = 0;
skb = skb_peek(&sk->sk_receive_queue);
if (skb != NULL) {
/*
* We will only return the amount of this packet since
* that is all that will be read.
*/
amount = skb->len;
}
rc = put_user(amount, (int __user *)arg);
break;
}
default:
rc = -ENOIOCTLCMD;
break;
}
out:
sctp_release_sock(sk);
return rc;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,484 | SCTP_STATIC int sctp_listen_start(struct sock *sk, int backlog)
{
struct sctp_sock *sp = sctp_sk(sk);
struct sctp_endpoint *ep = sp->ep;
struct crypto_hash *tfm = NULL;
char alg[32];
/* Allocate HMAC for generating cookie. */
if (!sp->hmac && sp->sctp_hmac_alg) {
sprintf(alg, "hmac(%s)", sp->sctp_hmac_alg);
tfm = crypto_alloc_hash(alg, 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(tfm)) {
net_info_ratelimited("failed to load transform for %s: %ld\n",
sp->sctp_hmac_alg, PTR_ERR(tfm));
return -ENOSYS;
}
sctp_sk(sk)->hmac = tfm;
}
/*
* If a bind() or sctp_bindx() is not called prior to a listen()
* call that allows new associations to be accepted, the system
* picks an ephemeral port and will choose an address set equivalent
* to binding with a wildcard address.
*
* This is not currently spelled out in the SCTP sockets
* extensions draft, but follows the practice as seen in TCP
* sockets.
*
*/
sk->sk_state = SCTP_SS_LISTENING;
if (!ep->base.bind_addr.port) {
if (sctp_autobind(sk))
return -EAGAIN;
} else {
if (sctp_get_port(sk, inet_sk(sk)->inet_num)) {
sk->sk_state = SCTP_SS_CLOSED;
return -EADDRINUSE;
}
}
sk->sk_max_ack_backlog = backlog;
sctp_hash_endpoint(ep);
return 0;
}
| +Priv | 0 | SCTP_STATIC int sctp_listen_start(struct sock *sk, int backlog)
{
struct sctp_sock *sp = sctp_sk(sk);
struct sctp_endpoint *ep = sp->ep;
struct crypto_hash *tfm = NULL;
char alg[32];
/* Allocate HMAC for generating cookie. */
if (!sp->hmac && sp->sctp_hmac_alg) {
sprintf(alg, "hmac(%s)", sp->sctp_hmac_alg);
tfm = crypto_alloc_hash(alg, 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(tfm)) {
net_info_ratelimited("failed to load transform for %s: %ld\n",
sp->sctp_hmac_alg, PTR_ERR(tfm));
return -ENOSYS;
}
sctp_sk(sk)->hmac = tfm;
}
/*
* If a bind() or sctp_bindx() is not called prior to a listen()
* call that allows new associations to be accepted, the system
* picks an ephemeral port and will choose an address set equivalent
* to binding with a wildcard address.
*
* This is not currently spelled out in the SCTP sockets
* extensions draft, but follows the practice as seen in TCP
* sockets.
*
*/
sk->sk_state = SCTP_SS_LISTENING;
if (!ep->base.bind_addr.port) {
if (sctp_autobind(sk))
return -EAGAIN;
} else {
if (sctp_get_port(sk, inet_sk(sk)->inet_num)) {
sk->sk_state = SCTP_SS_CLOSED;
return -EADDRINUSE;
}
}
sk->sk_max_ack_backlog = backlog;
sctp_hash_endpoint(ep);
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,485 | SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg,
sctp_cmsgs_t *cmsgs)
{
struct cmsghdr *cmsg;
struct msghdr *my_msg = (struct msghdr *)msg;
for (cmsg = CMSG_FIRSTHDR(msg);
cmsg != NULL;
cmsg = CMSG_NXTHDR(my_msg, cmsg)) {
if (!CMSG_OK(my_msg, cmsg))
return -EINVAL;
/* Should we parse this header or ignore? */
if (cmsg->cmsg_level != IPPROTO_SCTP)
continue;
/* Strictly check lengths following example in SCM code. */
switch (cmsg->cmsg_type) {
case SCTP_INIT:
/* SCTP Socket API Extension
* 5.2.1 SCTP Initiation Structure (SCTP_INIT)
*
* This cmsghdr structure provides information for
* initializing new SCTP associations with sendmsg().
* The SCTP_INITMSG socket option uses this same data
* structure. This structure is not used for
* recvmsg().
*
* cmsg_level cmsg_type cmsg_data[]
* ------------ ------------ ----------------------
* IPPROTO_SCTP SCTP_INIT struct sctp_initmsg
*/
if (cmsg->cmsg_len !=
CMSG_LEN(sizeof(struct sctp_initmsg)))
return -EINVAL;
cmsgs->init = (struct sctp_initmsg *)CMSG_DATA(cmsg);
break;
case SCTP_SNDRCV:
/* SCTP Socket API Extension
* 5.2.2 SCTP Header Information Structure(SCTP_SNDRCV)
*
* This cmsghdr structure specifies SCTP options for
* sendmsg() and describes SCTP header information
* about a received message through recvmsg().
*
* cmsg_level cmsg_type cmsg_data[]
* ------------ ------------ ----------------------
* IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo
*/
if (cmsg->cmsg_len !=
CMSG_LEN(sizeof(struct sctp_sndrcvinfo)))
return -EINVAL;
cmsgs->info =
(struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
/* Minimally, validate the sinfo_flags. */
if (cmsgs->info->sinfo_flags &
~(SCTP_UNORDERED | SCTP_ADDR_OVER |
SCTP_ABORT | SCTP_EOF))
return -EINVAL;
break;
default:
return -EINVAL;
}
}
return 0;
}
| +Priv | 0 | SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg,
sctp_cmsgs_t *cmsgs)
{
struct cmsghdr *cmsg;
struct msghdr *my_msg = (struct msghdr *)msg;
for (cmsg = CMSG_FIRSTHDR(msg);
cmsg != NULL;
cmsg = CMSG_NXTHDR(my_msg, cmsg)) {
if (!CMSG_OK(my_msg, cmsg))
return -EINVAL;
/* Should we parse this header or ignore? */
if (cmsg->cmsg_level != IPPROTO_SCTP)
continue;
/* Strictly check lengths following example in SCM code. */
switch (cmsg->cmsg_type) {
case SCTP_INIT:
/* SCTP Socket API Extension
* 5.2.1 SCTP Initiation Structure (SCTP_INIT)
*
* This cmsghdr structure provides information for
* initializing new SCTP associations with sendmsg().
* The SCTP_INITMSG socket option uses this same data
* structure. This structure is not used for
* recvmsg().
*
* cmsg_level cmsg_type cmsg_data[]
* ------------ ------------ ----------------------
* IPPROTO_SCTP SCTP_INIT struct sctp_initmsg
*/
if (cmsg->cmsg_len !=
CMSG_LEN(sizeof(struct sctp_initmsg)))
return -EINVAL;
cmsgs->init = (struct sctp_initmsg *)CMSG_DATA(cmsg);
break;
case SCTP_SNDRCV:
/* SCTP Socket API Extension
* 5.2.2 SCTP Header Information Structure(SCTP_SNDRCV)
*
* This cmsghdr structure specifies SCTP options for
* sendmsg() and describes SCTP header information
* about a received message through recvmsg().
*
* cmsg_level cmsg_type cmsg_data[]
* ------------ ------------ ----------------------
* IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo
*/
if (cmsg->cmsg_len !=
CMSG_LEN(sizeof(struct sctp_sndrcvinfo)))
return -EINVAL;
cmsgs->info =
(struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
/* Minimally, validate the sinfo_flags. */
if (cmsgs->info->sinfo_flags &
~(SCTP_UNORDERED | SCTP_ADDR_OVER |
SCTP_ABORT | SCTP_EOF))
return -EINVAL;
break;
default:
return -EINVAL;
}
}
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,486 | unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
struct sctp_sock *sp = sctp_sk(sk);
unsigned int mask;
poll_wait(file, sk_sleep(sk), wait);
/* A TCP-style listening socket becomes readable when the accept queue
* is not empty.
*/
if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING))
return (!list_empty(&sp->ep->asocs)) ?
(POLLIN | POLLRDNORM) : 0;
mask = 0;
/* Is there any exceptional events? */
if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
mask |= POLLERR;
if (sk->sk_shutdown & RCV_SHUTDOWN)
mask |= POLLRDHUP | POLLIN | POLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
mask |= POLLHUP;
/* Is it readable? Reconsider this code with TCP-style support. */
if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN | POLLRDNORM;
/* The association is either gone or not ready. */
if (!sctp_style(sk, UDP) && sctp_sstate(sk, CLOSED))
return mask;
/* Is it writable? */
if (sctp_writeable(sk)) {
mask |= POLLOUT | POLLWRNORM;
} else {
set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
/*
* Since the socket is not locked, the buffer
* might be made available after the writeable check and
* before the bit is set. This could cause a lost I/O
* signal. tcp_poll() has a race breaker for this race
* condition. Based on their implementation, we put
* in the following code to cover it as well.
*/
if (sctp_writeable(sk))
mask |= POLLOUT | POLLWRNORM;
}
return mask;
}
| +Priv | 0 | unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
struct sctp_sock *sp = sctp_sk(sk);
unsigned int mask;
poll_wait(file, sk_sleep(sk), wait);
/* A TCP-style listening socket becomes readable when the accept queue
* is not empty.
*/
if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING))
return (!list_empty(&sp->ep->asocs)) ?
(POLLIN | POLLRDNORM) : 0;
mask = 0;
/* Is there any exceptional events? */
if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
mask |= POLLERR;
if (sk->sk_shutdown & RCV_SHUTDOWN)
mask |= POLLRDHUP | POLLIN | POLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
mask |= POLLHUP;
/* Is it readable? Reconsider this code with TCP-style support. */
if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN | POLLRDNORM;
/* The association is either gone or not ready. */
if (!sctp_style(sk, UDP) && sctp_sstate(sk, CLOSED))
return mask;
/* Is it writable? */
if (sctp_writeable(sk)) {
mask |= POLLOUT | POLLWRNORM;
} else {
set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
/*
* Since the socket is not locked, the buffer
* might be made available after the writeable check and
* before the bit is set. This could cause a lost I/O
* signal. tcp_poll() has a race breaker for this race
* condition. Based on their implementation, we put
* in the following code to cover it as well.
*/
if (sctp_writeable(sk))
mask |= POLLOUT | POLLWRNORM;
}
return mask;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,487 | void sctp_put_port(struct sock *sk)
{
sctp_local_bh_disable();
__sctp_put_port(sk);
sctp_local_bh_enable();
}
| +Priv | 0 | void sctp_put_port(struct sock *sk)
{
sctp_local_bh_disable();
__sctp_put_port(sk);
sctp_local_bh_enable();
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,488 | SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len, int noblock,
int flags, int *addr_len)
{
struct sctp_ulpevent *event = NULL;
struct sctp_sock *sp = sctp_sk(sk);
struct sk_buff *skb;
int copied;
int err = 0;
int skb_len;
SCTP_DEBUG_PRINTK("sctp_recvmsg(%s: %p, %s: %p, %s: %zd, %s: %d, %s: "
"0x%x, %s: %p)\n", "sk", sk, "msghdr", msg,
"len", len, "knoblauch", noblock,
"flags", flags, "addr_len", addr_len);
sctp_lock_sock(sk);
if (sctp_style(sk, TCP) && !sctp_sstate(sk, ESTABLISHED)) {
err = -ENOTCONN;
goto out;
}
skb = sctp_skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
/* Get the total length of the skb including any skb's in the
* frag_list.
*/
skb_len = skb->len;
copied = skb_len;
if (copied > len)
copied = len;
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
event = sctp_skb2event(skb);
if (err)
goto out_free;
sock_recv_ts_and_drops(msg, sk, skb);
if (sctp_ulpevent_is_notification(event)) {
msg->msg_flags |= MSG_NOTIFICATION;
sp->pf->event_msgname(event, msg->msg_name, addr_len);
} else {
sp->pf->skb_msgname(skb, msg->msg_name, addr_len);
}
/* Check if we allow SCTP_SNDRCVINFO. */
if (sp->subscribe.sctp_data_io_event)
sctp_ulpevent_read_sndrcvinfo(event, msg);
#if 0
/* FIXME: we should be calling IP/IPv6 layers. */
if (sk->sk_protinfo.af_inet.cmsg_flags)
ip_cmsg_recv(msg, skb);
#endif
err = copied;
/* If skb's length exceeds the user's buffer, update the skb and
* push it back to the receive_queue so that the next call to
* recvmsg() will return the remaining data. Don't set MSG_EOR.
*/
if (skb_len > copied) {
msg->msg_flags &= ~MSG_EOR;
if (flags & MSG_PEEK)
goto out_free;
sctp_skb_pull(skb, copied);
skb_queue_head(&sk->sk_receive_queue, skb);
/* When only partial message is copied to the user, increase
* rwnd by that amount. If all the data in the skb is read,
* rwnd is updated when the event is freed.
*/
if (!sctp_ulpevent_is_notification(event))
sctp_assoc_rwnd_increase(event->asoc, copied);
goto out;
} else if ((event->msg_flags & MSG_NOTIFICATION) ||
(event->msg_flags & MSG_EOR))
msg->msg_flags |= MSG_EOR;
else
msg->msg_flags &= ~MSG_EOR;
out_free:
if (flags & MSG_PEEK) {
/* Release the skb reference acquired after peeking the skb in
* sctp_skb_recv_datagram().
*/
kfree_skb(skb);
} else {
/* Free the event which includes releasing the reference to
* the owner of the skb, freeing the skb and updating the
* rwnd.
*/
sctp_ulpevent_free(event);
}
out:
sctp_release_sock(sk);
return err;
}
| +Priv | 0 | SCTP_STATIC int sctp_recvmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len, int noblock,
int flags, int *addr_len)
{
struct sctp_ulpevent *event = NULL;
struct sctp_sock *sp = sctp_sk(sk);
struct sk_buff *skb;
int copied;
int err = 0;
int skb_len;
SCTP_DEBUG_PRINTK("sctp_recvmsg(%s: %p, %s: %p, %s: %zd, %s: %d, %s: "
"0x%x, %s: %p)\n", "sk", sk, "msghdr", msg,
"len", len, "knoblauch", noblock,
"flags", flags, "addr_len", addr_len);
sctp_lock_sock(sk);
if (sctp_style(sk, TCP) && !sctp_sstate(sk, ESTABLISHED)) {
err = -ENOTCONN;
goto out;
}
skb = sctp_skb_recv_datagram(sk, flags, noblock, &err);
if (!skb)
goto out;
/* Get the total length of the skb including any skb's in the
* frag_list.
*/
skb_len = skb->len;
copied = skb_len;
if (copied > len)
copied = len;
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
event = sctp_skb2event(skb);
if (err)
goto out_free;
sock_recv_ts_and_drops(msg, sk, skb);
if (sctp_ulpevent_is_notification(event)) {
msg->msg_flags |= MSG_NOTIFICATION;
sp->pf->event_msgname(event, msg->msg_name, addr_len);
} else {
sp->pf->skb_msgname(skb, msg->msg_name, addr_len);
}
/* Check if we allow SCTP_SNDRCVINFO. */
if (sp->subscribe.sctp_data_io_event)
sctp_ulpevent_read_sndrcvinfo(event, msg);
#if 0
/* FIXME: we should be calling IP/IPv6 layers. */
if (sk->sk_protinfo.af_inet.cmsg_flags)
ip_cmsg_recv(msg, skb);
#endif
err = copied;
/* If skb's length exceeds the user's buffer, update the skb and
* push it back to the receive_queue so that the next call to
* recvmsg() will return the remaining data. Don't set MSG_EOR.
*/
if (skb_len > copied) {
msg->msg_flags &= ~MSG_EOR;
if (flags & MSG_PEEK)
goto out_free;
sctp_skb_pull(skb, copied);
skb_queue_head(&sk->sk_receive_queue, skb);
/* When only partial message is copied to the user, increase
* rwnd by that amount. If all the data in the skb is read,
* rwnd is updated when the event is freed.
*/
if (!sctp_ulpevent_is_notification(event))
sctp_assoc_rwnd_increase(event->asoc, copied);
goto out;
} else if ((event->msg_flags & MSG_NOTIFICATION) ||
(event->msg_flags & MSG_EOR))
msg->msg_flags |= MSG_EOR;
else
msg->msg_flags &= ~MSG_EOR;
out_free:
if (flags & MSG_PEEK) {
/* Release the skb reference acquired after peeking the skb in
* sctp_skb_recv_datagram().
*/
kfree_skb(skb);
} else {
/* Free the event which includes releasing the reference to
* the owner of the skb, freeing the skb and updating the
* rwnd.
*/
sctp_ulpevent_free(event);
}
out:
sctp_release_sock(sk);
return err;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,489 | static int sctp_send_asconf(struct sctp_association *asoc,
struct sctp_chunk *chunk)
{
struct net *net = sock_net(asoc->base.sk);
int retval = 0;
/* If there is an outstanding ASCONF chunk, queue it for later
* transmission.
*/
if (asoc->addip_last_asconf) {
list_add_tail(&chunk->list, &asoc->addip_chunk_list);
goto out;
}
/* Hold the chunk until an ASCONF_ACK is received. */
sctp_chunk_hold(chunk);
retval = sctp_primitive_ASCONF(net, asoc, chunk);
if (retval)
sctp_chunk_free(chunk);
else
asoc->addip_last_asconf = chunk;
out:
return retval;
}
| +Priv | 0 | static int sctp_send_asconf(struct sctp_association *asoc,
struct sctp_chunk *chunk)
{
struct net *net = sock_net(asoc->base.sk);
int retval = 0;
/* If there is an outstanding ASCONF chunk, queue it for later
* transmission.
*/
if (asoc->addip_last_asconf) {
list_add_tail(&chunk->list, &asoc->addip_chunk_list);
goto out;
}
/* Hold the chunk until an ASCONF_ACK is received. */
sctp_chunk_hold(chunk);
retval = sctp_primitive_ASCONF(net, asoc, chunk);
if (retval)
sctp_chunk_free(chunk);
else
asoc->addip_last_asconf = chunk;
out:
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,490 | static int sctp_send_asconf_add_ip(struct sock *sk,
struct sockaddr *addrs,
int addrcnt)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_bind_addr *bp;
struct sctp_chunk *chunk;
struct sctp_sockaddr_entry *laddr;
union sctp_addr *addr;
union sctp_addr saveaddr;
void *addr_buf;
struct sctp_af *af;
struct list_head *p;
int i;
int retval = 0;
if (!net->sctp.addip_enable)
return retval;
sp = sctp_sk(sk);
ep = sp->ep;
SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
__func__, sk, addrs, addrcnt);
list_for_each_entry(asoc, &ep->asocs, asocs) {
if (!asoc->peer.asconf_capable)
continue;
if (asoc->peer.addip_disabled_mask & SCTP_PARAM_ADD_IP)
continue;
if (!sctp_state(asoc, ESTABLISHED))
continue;
/* Check if any address in the packed array of addresses is
* in the bind address list of the association. If so,
* do not send the asconf chunk to its peer, but continue with
* other associations.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
if (!af) {
retval = -EINVAL;
goto out;
}
if (sctp_assoc_lookup_laddr(asoc, addr))
break;
addr_buf += af->sockaddr_len;
}
if (i < addrcnt)
continue;
/* Use the first valid address in bind addr list of
* association as Address Parameter of ASCONF CHUNK.
*/
bp = &asoc->base.bind_addr;
p = bp->address_list.next;
laddr = list_entry(p, struct sctp_sockaddr_entry, list);
chunk = sctp_make_asconf_update_ip(asoc, &laddr->a, addrs,
addrcnt, SCTP_PARAM_ADD_IP);
if (!chunk) {
retval = -ENOMEM;
goto out;
}
/* Add the new addresses to the bind address list with
* use_as_src set to 0.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
memcpy(&saveaddr, addr, af->sockaddr_len);
retval = sctp_add_bind_addr(bp, &saveaddr,
SCTP_ADDR_NEW, GFP_ATOMIC);
addr_buf += af->sockaddr_len;
}
if (asoc->src_out_of_asoc_ok) {
struct sctp_transport *trans;
list_for_each_entry(trans,
&asoc->peer.transport_addr_list, transports) {
/* Clear the source and route cache */
dst_release(trans->dst);
trans->cwnd = min(4*asoc->pathmtu, max_t(__u32,
2*asoc->pathmtu, 4380));
trans->ssthresh = asoc->peer.i.a_rwnd;
trans->rto = asoc->rto_initial;
sctp_max_rto(asoc, trans);
trans->rtt = trans->srtt = trans->rttvar = 0;
sctp_transport_route(trans, NULL,
sctp_sk(asoc->base.sk));
}
}
retval = sctp_send_asconf(asoc, chunk);
}
out:
return retval;
}
| +Priv | 0 | static int sctp_send_asconf_add_ip(struct sock *sk,
struct sockaddr *addrs,
int addrcnt)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_bind_addr *bp;
struct sctp_chunk *chunk;
struct sctp_sockaddr_entry *laddr;
union sctp_addr *addr;
union sctp_addr saveaddr;
void *addr_buf;
struct sctp_af *af;
struct list_head *p;
int i;
int retval = 0;
if (!net->sctp.addip_enable)
return retval;
sp = sctp_sk(sk);
ep = sp->ep;
SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
__func__, sk, addrs, addrcnt);
list_for_each_entry(asoc, &ep->asocs, asocs) {
if (!asoc->peer.asconf_capable)
continue;
if (asoc->peer.addip_disabled_mask & SCTP_PARAM_ADD_IP)
continue;
if (!sctp_state(asoc, ESTABLISHED))
continue;
/* Check if any address in the packed array of addresses is
* in the bind address list of the association. If so,
* do not send the asconf chunk to its peer, but continue with
* other associations.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
if (!af) {
retval = -EINVAL;
goto out;
}
if (sctp_assoc_lookup_laddr(asoc, addr))
break;
addr_buf += af->sockaddr_len;
}
if (i < addrcnt)
continue;
/* Use the first valid address in bind addr list of
* association as Address Parameter of ASCONF CHUNK.
*/
bp = &asoc->base.bind_addr;
p = bp->address_list.next;
laddr = list_entry(p, struct sctp_sockaddr_entry, list);
chunk = sctp_make_asconf_update_ip(asoc, &laddr->a, addrs,
addrcnt, SCTP_PARAM_ADD_IP);
if (!chunk) {
retval = -ENOMEM;
goto out;
}
/* Add the new addresses to the bind address list with
* use_as_src set to 0.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
memcpy(&saveaddr, addr, af->sockaddr_len);
retval = sctp_add_bind_addr(bp, &saveaddr,
SCTP_ADDR_NEW, GFP_ATOMIC);
addr_buf += af->sockaddr_len;
}
if (asoc->src_out_of_asoc_ok) {
struct sctp_transport *trans;
list_for_each_entry(trans,
&asoc->peer.transport_addr_list, transports) {
/* Clear the source and route cache */
dst_release(trans->dst);
trans->cwnd = min(4*asoc->pathmtu, max_t(__u32,
2*asoc->pathmtu, 4380));
trans->ssthresh = asoc->peer.i.a_rwnd;
trans->rto = asoc->rto_initial;
sctp_max_rto(asoc, trans);
trans->rtt = trans->srtt = trans->rttvar = 0;
sctp_transport_route(trans, NULL,
sctp_sk(asoc->base.sk));
}
}
retval = sctp_send_asconf(asoc, chunk);
}
out:
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,491 | static int sctp_send_asconf_del_ip(struct sock *sk,
struct sockaddr *addrs,
int addrcnt)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_transport *transport;
struct sctp_bind_addr *bp;
struct sctp_chunk *chunk;
union sctp_addr *laddr;
void *addr_buf;
struct sctp_af *af;
struct sctp_sockaddr_entry *saddr;
int i;
int retval = 0;
int stored = 0;
chunk = NULL;
if (!net->sctp.addip_enable)
return retval;
sp = sctp_sk(sk);
ep = sp->ep;
SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
__func__, sk, addrs, addrcnt);
list_for_each_entry(asoc, &ep->asocs, asocs) {
if (!asoc->peer.asconf_capable)
continue;
if (asoc->peer.addip_disabled_mask & SCTP_PARAM_DEL_IP)
continue;
if (!sctp_state(asoc, ESTABLISHED))
continue;
/* Check if any address in the packed array of addresses is
* not present in the bind address list of the association.
* If so, do not send the asconf chunk to its peer, but
* continue with other associations.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
laddr = addr_buf;
af = sctp_get_af_specific(laddr->v4.sin_family);
if (!af) {
retval = -EINVAL;
goto out;
}
if (!sctp_assoc_lookup_laddr(asoc, laddr))
break;
addr_buf += af->sockaddr_len;
}
if (i < addrcnt)
continue;
/* Find one address in the association's bind address list
* that is not in the packed array of addresses. This is to
* make sure that we do not delete all the addresses in the
* association.
*/
bp = &asoc->base.bind_addr;
laddr = sctp_find_unmatch_addr(bp, (union sctp_addr *)addrs,
addrcnt, sp);
if ((laddr == NULL) && (addrcnt == 1)) {
if (asoc->asconf_addr_del_pending)
continue;
asoc->asconf_addr_del_pending =
kzalloc(sizeof(union sctp_addr), GFP_ATOMIC);
if (asoc->asconf_addr_del_pending == NULL) {
retval = -ENOMEM;
goto out;
}
asoc->asconf_addr_del_pending->sa.sa_family =
addrs->sa_family;
asoc->asconf_addr_del_pending->v4.sin_port =
htons(bp->port);
if (addrs->sa_family == AF_INET) {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addrs;
asoc->asconf_addr_del_pending->v4.sin_addr.s_addr = sin->sin_addr.s_addr;
} else if (addrs->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addrs;
asoc->asconf_addr_del_pending->v6.sin6_addr = sin6->sin6_addr;
}
SCTP_DEBUG_PRINTK_IPADDR("send_asconf_del_ip: keep the last address asoc: %p ",
" at %p\n", asoc, asoc->asconf_addr_del_pending,
asoc->asconf_addr_del_pending);
asoc->src_out_of_asoc_ok = 1;
stored = 1;
goto skip_mkasconf;
}
/* We do not need RCU protection throughout this loop
* because this is done under a socket lock from the
* setsockopt call.
*/
chunk = sctp_make_asconf_update_ip(asoc, laddr, addrs, addrcnt,
SCTP_PARAM_DEL_IP);
if (!chunk) {
retval = -ENOMEM;
goto out;
}
skip_mkasconf:
/* Reset use_as_src flag for the addresses in the bind address
* list that are to be deleted.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
laddr = addr_buf;
af = sctp_get_af_specific(laddr->v4.sin_family);
list_for_each_entry(saddr, &bp->address_list, list) {
if (sctp_cmp_addr_exact(&saddr->a, laddr))
saddr->state = SCTP_ADDR_DEL;
}
addr_buf += af->sockaddr_len;
}
/* Update the route and saddr entries for all the transports
* as some of the addresses in the bind address list are
* about to be deleted and cannot be used as source addresses.
*/
list_for_each_entry(transport, &asoc->peer.transport_addr_list,
transports) {
dst_release(transport->dst);
sctp_transport_route(transport, NULL,
sctp_sk(asoc->base.sk));
}
if (stored)
/* We don't need to transmit ASCONF */
continue;
retval = sctp_send_asconf(asoc, chunk);
}
out:
return retval;
}
| +Priv | 0 | static int sctp_send_asconf_del_ip(struct sock *sk,
struct sockaddr *addrs,
int addrcnt)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_transport *transport;
struct sctp_bind_addr *bp;
struct sctp_chunk *chunk;
union sctp_addr *laddr;
void *addr_buf;
struct sctp_af *af;
struct sctp_sockaddr_entry *saddr;
int i;
int retval = 0;
int stored = 0;
chunk = NULL;
if (!net->sctp.addip_enable)
return retval;
sp = sctp_sk(sk);
ep = sp->ep;
SCTP_DEBUG_PRINTK("%s: (sk: %p, addrs: %p, addrcnt: %d)\n",
__func__, sk, addrs, addrcnt);
list_for_each_entry(asoc, &ep->asocs, asocs) {
if (!asoc->peer.asconf_capable)
continue;
if (asoc->peer.addip_disabled_mask & SCTP_PARAM_DEL_IP)
continue;
if (!sctp_state(asoc, ESTABLISHED))
continue;
/* Check if any address in the packed array of addresses is
* not present in the bind address list of the association.
* If so, do not send the asconf chunk to its peer, but
* continue with other associations.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
laddr = addr_buf;
af = sctp_get_af_specific(laddr->v4.sin_family);
if (!af) {
retval = -EINVAL;
goto out;
}
if (!sctp_assoc_lookup_laddr(asoc, laddr))
break;
addr_buf += af->sockaddr_len;
}
if (i < addrcnt)
continue;
/* Find one address in the association's bind address list
* that is not in the packed array of addresses. This is to
* make sure that we do not delete all the addresses in the
* association.
*/
bp = &asoc->base.bind_addr;
laddr = sctp_find_unmatch_addr(bp, (union sctp_addr *)addrs,
addrcnt, sp);
if ((laddr == NULL) && (addrcnt == 1)) {
if (asoc->asconf_addr_del_pending)
continue;
asoc->asconf_addr_del_pending =
kzalloc(sizeof(union sctp_addr), GFP_ATOMIC);
if (asoc->asconf_addr_del_pending == NULL) {
retval = -ENOMEM;
goto out;
}
asoc->asconf_addr_del_pending->sa.sa_family =
addrs->sa_family;
asoc->asconf_addr_del_pending->v4.sin_port =
htons(bp->port);
if (addrs->sa_family == AF_INET) {
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)addrs;
asoc->asconf_addr_del_pending->v4.sin_addr.s_addr = sin->sin_addr.s_addr;
} else if (addrs->sa_family == AF_INET6) {
struct sockaddr_in6 *sin6;
sin6 = (struct sockaddr_in6 *)addrs;
asoc->asconf_addr_del_pending->v6.sin6_addr = sin6->sin6_addr;
}
SCTP_DEBUG_PRINTK_IPADDR("send_asconf_del_ip: keep the last address asoc: %p ",
" at %p\n", asoc, asoc->asconf_addr_del_pending,
asoc->asconf_addr_del_pending);
asoc->src_out_of_asoc_ok = 1;
stored = 1;
goto skip_mkasconf;
}
/* We do not need RCU protection throughout this loop
* because this is done under a socket lock from the
* setsockopt call.
*/
chunk = sctp_make_asconf_update_ip(asoc, laddr, addrs, addrcnt,
SCTP_PARAM_DEL_IP);
if (!chunk) {
retval = -ENOMEM;
goto out;
}
skip_mkasconf:
/* Reset use_as_src flag for the addresses in the bind address
* list that are to be deleted.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
laddr = addr_buf;
af = sctp_get_af_specific(laddr->v4.sin_family);
list_for_each_entry(saddr, &bp->address_list, list) {
if (sctp_cmp_addr_exact(&saddr->a, laddr))
saddr->state = SCTP_ADDR_DEL;
}
addr_buf += af->sockaddr_len;
}
/* Update the route and saddr entries for all the transports
* as some of the addresses in the bind address list are
* about to be deleted and cannot be used as source addresses.
*/
list_for_each_entry(transport, &asoc->peer.transport_addr_list,
transports) {
dst_release(transport->dst);
sctp_transport_route(transport, NULL,
sctp_sk(asoc->base.sk));
}
if (stored)
/* We don't need to transmit ASCONF */
continue;
retval = sctp_send_asconf(asoc, chunk);
}
out:
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,492 | SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t msg_len)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *new_asoc=NULL, *asoc=NULL;
struct sctp_transport *transport, *chunk_tp;
struct sctp_chunk *chunk;
union sctp_addr to;
struct sockaddr *msg_name = NULL;
struct sctp_sndrcvinfo default_sinfo;
struct sctp_sndrcvinfo *sinfo;
struct sctp_initmsg *sinit;
sctp_assoc_t associd = 0;
sctp_cmsgs_t cmsgs = { NULL };
int err;
sctp_scope_t scope;
long timeo;
__u16 sinfo_flags = 0;
struct sctp_datamsg *datamsg;
int msg_flags = msg->msg_flags;
SCTP_DEBUG_PRINTK("sctp_sendmsg(sk: %p, msg: %p, msg_len: %zu)\n",
sk, msg, msg_len);
err = 0;
sp = sctp_sk(sk);
ep = sp->ep;
SCTP_DEBUG_PRINTK("Using endpoint: %p.\n", ep);
/* We cannot send a message over a TCP-style listening socket. */
if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING)) {
err = -EPIPE;
goto out_nounlock;
}
/* Parse out the SCTP CMSGs. */
err = sctp_msghdr_parse(msg, &cmsgs);
if (err) {
SCTP_DEBUG_PRINTK("msghdr parse err = %x\n", err);
goto out_nounlock;
}
/* Fetch the destination address for this packet. This
* address only selects the association--it is not necessarily
* the address we will send to.
* For a peeled-off socket, msg_name is ignored.
*/
if (!sctp_style(sk, UDP_HIGH_BANDWIDTH) && msg->msg_name) {
int msg_namelen = msg->msg_namelen;
err = sctp_verify_addr(sk, (union sctp_addr *)msg->msg_name,
msg_namelen);
if (err)
return err;
if (msg_namelen > sizeof(to))
msg_namelen = sizeof(to);
memcpy(&to, msg->msg_name, msg_namelen);
msg_name = msg->msg_name;
}
sinfo = cmsgs.info;
sinit = cmsgs.init;
/* Did the user specify SNDRCVINFO? */
if (sinfo) {
sinfo_flags = sinfo->sinfo_flags;
associd = sinfo->sinfo_assoc_id;
}
SCTP_DEBUG_PRINTK("msg_len: %zu, sinfo_flags: 0x%x\n",
msg_len, sinfo_flags);
/* SCTP_EOF or SCTP_ABORT cannot be set on a TCP-style socket. */
if (sctp_style(sk, TCP) && (sinfo_flags & (SCTP_EOF | SCTP_ABORT))) {
err = -EINVAL;
goto out_nounlock;
}
/* If SCTP_EOF is set, no data can be sent. Disallow sending zero
* length messages when SCTP_EOF|SCTP_ABORT is not set.
* If SCTP_ABORT is set, the message length could be non zero with
* the msg_iov set to the user abort reason.
*/
if (((sinfo_flags & SCTP_EOF) && (msg_len > 0)) ||
(!(sinfo_flags & (SCTP_EOF|SCTP_ABORT)) && (msg_len == 0))) {
err = -EINVAL;
goto out_nounlock;
}
/* If SCTP_ADDR_OVER is set, there must be an address
* specified in msg_name.
*/
if ((sinfo_flags & SCTP_ADDR_OVER) && (!msg->msg_name)) {
err = -EINVAL;
goto out_nounlock;
}
transport = NULL;
SCTP_DEBUG_PRINTK("About to look up association.\n");
sctp_lock_sock(sk);
/* If a msg_name has been specified, assume this is to be used. */
if (msg_name) {
/* Look for a matching association on the endpoint. */
asoc = sctp_endpoint_lookup_assoc(ep, &to, &transport);
if (!asoc) {
/* If we could not find a matching association on the
* endpoint, make sure that it is not a TCP-style
* socket that already has an association or there is
* no peeled-off association on another socket.
*/
if ((sctp_style(sk, TCP) &&
sctp_sstate(sk, ESTABLISHED)) ||
sctp_endpoint_is_peeled_off(ep, &to)) {
err = -EADDRNOTAVAIL;
goto out_unlock;
}
}
} else {
asoc = sctp_id2assoc(sk, associd);
if (!asoc) {
err = -EPIPE;
goto out_unlock;
}
}
if (asoc) {
SCTP_DEBUG_PRINTK("Just looked up association: %p.\n", asoc);
/* We cannot send a message on a TCP-style SCTP_SS_ESTABLISHED
* socket that has an association in CLOSED state. This can
* happen when an accepted socket has an association that is
* already CLOSED.
*/
if (sctp_state(asoc, CLOSED) && sctp_style(sk, TCP)) {
err = -EPIPE;
goto out_unlock;
}
if (sinfo_flags & SCTP_EOF) {
SCTP_DEBUG_PRINTK("Shutting down association: %p\n",
asoc);
sctp_primitive_SHUTDOWN(net, asoc, NULL);
err = 0;
goto out_unlock;
}
if (sinfo_flags & SCTP_ABORT) {
chunk = sctp_make_abort_user(asoc, msg, msg_len);
if (!chunk) {
err = -ENOMEM;
goto out_unlock;
}
SCTP_DEBUG_PRINTK("Aborting association: %p\n", asoc);
sctp_primitive_ABORT(net, asoc, chunk);
err = 0;
goto out_unlock;
}
}
/* Do we need to create the association? */
if (!asoc) {
SCTP_DEBUG_PRINTK("There is no association yet.\n");
if (sinfo_flags & (SCTP_EOF | SCTP_ABORT)) {
err = -EINVAL;
goto out_unlock;
}
/* Check for invalid stream against the stream counts,
* either the default or the user specified stream counts.
*/
if (sinfo) {
if (!sinit || (sinit && !sinit->sinit_num_ostreams)) {
/* Check against the defaults. */
if (sinfo->sinfo_stream >=
sp->initmsg.sinit_num_ostreams) {
err = -EINVAL;
goto out_unlock;
}
} else {
/* Check against the requested. */
if (sinfo->sinfo_stream >=
sinit->sinit_num_ostreams) {
err = -EINVAL;
goto out_unlock;
}
}
}
/*
* API 3.1.2 bind() - UDP Style Syntax
* If a bind() or sctp_bindx() is not called prior to a
* sendmsg() call that initiates a new association, the
* system picks an ephemeral port and will choose an address
* set equivalent to binding with a wildcard address.
*/
if (!ep->base.bind_addr.port) {
if (sctp_autobind(sk)) {
err = -EAGAIN;
goto out_unlock;
}
} else {
/*
* If an unprivileged user inherits a one-to-many
* style socket with open associations on a privileged
* port, it MAY be permitted to accept new associations,
* but it SHOULD NOT be permitted to open new
* associations.
*/
if (ep->base.bind_addr.port < PROT_SOCK &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) {
err = -EACCES;
goto out_unlock;
}
}
scope = sctp_scope(&to);
new_asoc = sctp_association_new(ep, sk, scope, GFP_KERNEL);
if (!new_asoc) {
err = -ENOMEM;
goto out_unlock;
}
asoc = new_asoc;
err = sctp_assoc_set_bind_addr_from_ep(asoc, scope, GFP_KERNEL);
if (err < 0) {
err = -ENOMEM;
goto out_free;
}
/* If the SCTP_INIT ancillary data is specified, set all
* the association init values accordingly.
*/
if (sinit) {
if (sinit->sinit_num_ostreams) {
asoc->c.sinit_num_ostreams =
sinit->sinit_num_ostreams;
}
if (sinit->sinit_max_instreams) {
asoc->c.sinit_max_instreams =
sinit->sinit_max_instreams;
}
if (sinit->sinit_max_attempts) {
asoc->max_init_attempts
= sinit->sinit_max_attempts;
}
if (sinit->sinit_max_init_timeo) {
asoc->max_init_timeo =
msecs_to_jiffies(sinit->sinit_max_init_timeo);
}
}
/* Prime the peer's transport structures. */
transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL, SCTP_UNKNOWN);
if (!transport) {
err = -ENOMEM;
goto out_free;
}
}
/* ASSERT: we have a valid association at this point. */
SCTP_DEBUG_PRINTK("We have a valid association.\n");
if (!sinfo) {
/* If the user didn't specify SNDRCVINFO, make up one with
* some defaults.
*/
memset(&default_sinfo, 0, sizeof(default_sinfo));
default_sinfo.sinfo_stream = asoc->default_stream;
default_sinfo.sinfo_flags = asoc->default_flags;
default_sinfo.sinfo_ppid = asoc->default_ppid;
default_sinfo.sinfo_context = asoc->default_context;
default_sinfo.sinfo_timetolive = asoc->default_timetolive;
default_sinfo.sinfo_assoc_id = sctp_assoc2id(asoc);
sinfo = &default_sinfo;
}
/* API 7.1.7, the sndbuf size per association bounds the
* maximum size of data that can be sent in a single send call.
*/
if (msg_len > sk->sk_sndbuf) {
err = -EMSGSIZE;
goto out_free;
}
if (asoc->pmtu_pending)
sctp_assoc_pending_pmtu(sk, asoc);
/* If fragmentation is disabled and the message length exceeds the
* association fragmentation point, return EMSGSIZE. The I-D
* does not specify what this error is, but this looks like
* a great fit.
*/
if (sctp_sk(sk)->disable_fragments && (msg_len > asoc->frag_point)) {
err = -EMSGSIZE;
goto out_free;
}
/* Check for invalid stream. */
if (sinfo->sinfo_stream >= asoc->c.sinit_num_ostreams) {
err = -EINVAL;
goto out_free;
}
timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
if (!sctp_wspace(asoc)) {
err = sctp_wait_for_sndbuf(asoc, &timeo, msg_len);
if (err)
goto out_free;
}
/* If an address is passed with the sendto/sendmsg call, it is used
* to override the primary destination address in the TCP model, or
* when SCTP_ADDR_OVER flag is set in the UDP model.
*/
if ((sctp_style(sk, TCP) && msg_name) ||
(sinfo_flags & SCTP_ADDR_OVER)) {
chunk_tp = sctp_assoc_lookup_paddr(asoc, &to);
if (!chunk_tp) {
err = -EINVAL;
goto out_free;
}
} else
chunk_tp = NULL;
/* Auto-connect, if we aren't connected already. */
if (sctp_state(asoc, CLOSED)) {
err = sctp_primitive_ASSOCIATE(net, asoc, NULL);
if (err < 0)
goto out_free;
SCTP_DEBUG_PRINTK("We associated primitively.\n");
}
/* Break the message into multiple chunks of maximum size. */
datamsg = sctp_datamsg_from_user(asoc, sinfo, msg, msg_len);
if (IS_ERR(datamsg)) {
err = PTR_ERR(datamsg);
goto out_free;
}
/* Now send the (possibly) fragmented message. */
list_for_each_entry(chunk, &datamsg->chunks, frag_list) {
sctp_chunk_hold(chunk);
/* Do accounting for the write space. */
sctp_set_owner_w(chunk);
chunk->transport = chunk_tp;
}
/* Send it to the lower layers. Note: all chunks
* must either fail or succeed. The lower layer
* works that way today. Keep it that way or this
* breaks.
*/
err = sctp_primitive_SEND(net, asoc, datamsg);
/* Did the lower layer accept the chunk? */
if (err)
sctp_datamsg_free(datamsg);
else
sctp_datamsg_put(datamsg);
SCTP_DEBUG_PRINTK("We sent primitively.\n");
if (err)
goto out_free;
else
err = msg_len;
/* If we are already past ASSOCIATE, the lower
* layers are responsible for association cleanup.
*/
goto out_unlock;
out_free:
if (new_asoc) {
sctp_unhash_established(asoc);
sctp_association_free(asoc);
}
out_unlock:
sctp_release_sock(sk);
out_nounlock:
return sctp_error(sk, msg_flags, err);
#if 0
do_sock_err:
if (msg_len)
err = msg_len;
else
err = sock_error(sk);
goto out;
do_interrupted:
if (msg_len)
err = msg_len;
goto out;
#endif /* 0 */
}
| +Priv | 0 | SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t msg_len)
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *new_asoc=NULL, *asoc=NULL;
struct sctp_transport *transport, *chunk_tp;
struct sctp_chunk *chunk;
union sctp_addr to;
struct sockaddr *msg_name = NULL;
struct sctp_sndrcvinfo default_sinfo;
struct sctp_sndrcvinfo *sinfo;
struct sctp_initmsg *sinit;
sctp_assoc_t associd = 0;
sctp_cmsgs_t cmsgs = { NULL };
int err;
sctp_scope_t scope;
long timeo;
__u16 sinfo_flags = 0;
struct sctp_datamsg *datamsg;
int msg_flags = msg->msg_flags;
SCTP_DEBUG_PRINTK("sctp_sendmsg(sk: %p, msg: %p, msg_len: %zu)\n",
sk, msg, msg_len);
err = 0;
sp = sctp_sk(sk);
ep = sp->ep;
SCTP_DEBUG_PRINTK("Using endpoint: %p.\n", ep);
/* We cannot send a message over a TCP-style listening socket. */
if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING)) {
err = -EPIPE;
goto out_nounlock;
}
/* Parse out the SCTP CMSGs. */
err = sctp_msghdr_parse(msg, &cmsgs);
if (err) {
SCTP_DEBUG_PRINTK("msghdr parse err = %x\n", err);
goto out_nounlock;
}
/* Fetch the destination address for this packet. This
* address only selects the association--it is not necessarily
* the address we will send to.
* For a peeled-off socket, msg_name is ignored.
*/
if (!sctp_style(sk, UDP_HIGH_BANDWIDTH) && msg->msg_name) {
int msg_namelen = msg->msg_namelen;
err = sctp_verify_addr(sk, (union sctp_addr *)msg->msg_name,
msg_namelen);
if (err)
return err;
if (msg_namelen > sizeof(to))
msg_namelen = sizeof(to);
memcpy(&to, msg->msg_name, msg_namelen);
msg_name = msg->msg_name;
}
sinfo = cmsgs.info;
sinit = cmsgs.init;
/* Did the user specify SNDRCVINFO? */
if (sinfo) {
sinfo_flags = sinfo->sinfo_flags;
associd = sinfo->sinfo_assoc_id;
}
SCTP_DEBUG_PRINTK("msg_len: %zu, sinfo_flags: 0x%x\n",
msg_len, sinfo_flags);
/* SCTP_EOF or SCTP_ABORT cannot be set on a TCP-style socket. */
if (sctp_style(sk, TCP) && (sinfo_flags & (SCTP_EOF | SCTP_ABORT))) {
err = -EINVAL;
goto out_nounlock;
}
/* If SCTP_EOF is set, no data can be sent. Disallow sending zero
* length messages when SCTP_EOF|SCTP_ABORT is not set.
* If SCTP_ABORT is set, the message length could be non zero with
* the msg_iov set to the user abort reason.
*/
if (((sinfo_flags & SCTP_EOF) && (msg_len > 0)) ||
(!(sinfo_flags & (SCTP_EOF|SCTP_ABORT)) && (msg_len == 0))) {
err = -EINVAL;
goto out_nounlock;
}
/* If SCTP_ADDR_OVER is set, there must be an address
* specified in msg_name.
*/
if ((sinfo_flags & SCTP_ADDR_OVER) && (!msg->msg_name)) {
err = -EINVAL;
goto out_nounlock;
}
transport = NULL;
SCTP_DEBUG_PRINTK("About to look up association.\n");
sctp_lock_sock(sk);
/* If a msg_name has been specified, assume this is to be used. */
if (msg_name) {
/* Look for a matching association on the endpoint. */
asoc = sctp_endpoint_lookup_assoc(ep, &to, &transport);
if (!asoc) {
/* If we could not find a matching association on the
* endpoint, make sure that it is not a TCP-style
* socket that already has an association or there is
* no peeled-off association on another socket.
*/
if ((sctp_style(sk, TCP) &&
sctp_sstate(sk, ESTABLISHED)) ||
sctp_endpoint_is_peeled_off(ep, &to)) {
err = -EADDRNOTAVAIL;
goto out_unlock;
}
}
} else {
asoc = sctp_id2assoc(sk, associd);
if (!asoc) {
err = -EPIPE;
goto out_unlock;
}
}
if (asoc) {
SCTP_DEBUG_PRINTK("Just looked up association: %p.\n", asoc);
/* We cannot send a message on a TCP-style SCTP_SS_ESTABLISHED
* socket that has an association in CLOSED state. This can
* happen when an accepted socket has an association that is
* already CLOSED.
*/
if (sctp_state(asoc, CLOSED) && sctp_style(sk, TCP)) {
err = -EPIPE;
goto out_unlock;
}
if (sinfo_flags & SCTP_EOF) {
SCTP_DEBUG_PRINTK("Shutting down association: %p\n",
asoc);
sctp_primitive_SHUTDOWN(net, asoc, NULL);
err = 0;
goto out_unlock;
}
if (sinfo_flags & SCTP_ABORT) {
chunk = sctp_make_abort_user(asoc, msg, msg_len);
if (!chunk) {
err = -ENOMEM;
goto out_unlock;
}
SCTP_DEBUG_PRINTK("Aborting association: %p\n", asoc);
sctp_primitive_ABORT(net, asoc, chunk);
err = 0;
goto out_unlock;
}
}
/* Do we need to create the association? */
if (!asoc) {
SCTP_DEBUG_PRINTK("There is no association yet.\n");
if (sinfo_flags & (SCTP_EOF | SCTP_ABORT)) {
err = -EINVAL;
goto out_unlock;
}
/* Check for invalid stream against the stream counts,
* either the default or the user specified stream counts.
*/
if (sinfo) {
if (!sinit || (sinit && !sinit->sinit_num_ostreams)) {
/* Check against the defaults. */
if (sinfo->sinfo_stream >=
sp->initmsg.sinit_num_ostreams) {
err = -EINVAL;
goto out_unlock;
}
} else {
/* Check against the requested. */
if (sinfo->sinfo_stream >=
sinit->sinit_num_ostreams) {
err = -EINVAL;
goto out_unlock;
}
}
}
/*
* API 3.1.2 bind() - UDP Style Syntax
* If a bind() or sctp_bindx() is not called prior to a
* sendmsg() call that initiates a new association, the
* system picks an ephemeral port and will choose an address
* set equivalent to binding with a wildcard address.
*/
if (!ep->base.bind_addr.port) {
if (sctp_autobind(sk)) {
err = -EAGAIN;
goto out_unlock;
}
} else {
/*
* If an unprivileged user inherits a one-to-many
* style socket with open associations on a privileged
* port, it MAY be permitted to accept new associations,
* but it SHOULD NOT be permitted to open new
* associations.
*/
if (ep->base.bind_addr.port < PROT_SOCK &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) {
err = -EACCES;
goto out_unlock;
}
}
scope = sctp_scope(&to);
new_asoc = sctp_association_new(ep, sk, scope, GFP_KERNEL);
if (!new_asoc) {
err = -ENOMEM;
goto out_unlock;
}
asoc = new_asoc;
err = sctp_assoc_set_bind_addr_from_ep(asoc, scope, GFP_KERNEL);
if (err < 0) {
err = -ENOMEM;
goto out_free;
}
/* If the SCTP_INIT ancillary data is specified, set all
* the association init values accordingly.
*/
if (sinit) {
if (sinit->sinit_num_ostreams) {
asoc->c.sinit_num_ostreams =
sinit->sinit_num_ostreams;
}
if (sinit->sinit_max_instreams) {
asoc->c.sinit_max_instreams =
sinit->sinit_max_instreams;
}
if (sinit->sinit_max_attempts) {
asoc->max_init_attempts
= sinit->sinit_max_attempts;
}
if (sinit->sinit_max_init_timeo) {
asoc->max_init_timeo =
msecs_to_jiffies(sinit->sinit_max_init_timeo);
}
}
/* Prime the peer's transport structures. */
transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL, SCTP_UNKNOWN);
if (!transport) {
err = -ENOMEM;
goto out_free;
}
}
/* ASSERT: we have a valid association at this point. */
SCTP_DEBUG_PRINTK("We have a valid association.\n");
if (!sinfo) {
/* If the user didn't specify SNDRCVINFO, make up one with
* some defaults.
*/
memset(&default_sinfo, 0, sizeof(default_sinfo));
default_sinfo.sinfo_stream = asoc->default_stream;
default_sinfo.sinfo_flags = asoc->default_flags;
default_sinfo.sinfo_ppid = asoc->default_ppid;
default_sinfo.sinfo_context = asoc->default_context;
default_sinfo.sinfo_timetolive = asoc->default_timetolive;
default_sinfo.sinfo_assoc_id = sctp_assoc2id(asoc);
sinfo = &default_sinfo;
}
/* API 7.1.7, the sndbuf size per association bounds the
* maximum size of data that can be sent in a single send call.
*/
if (msg_len > sk->sk_sndbuf) {
err = -EMSGSIZE;
goto out_free;
}
if (asoc->pmtu_pending)
sctp_assoc_pending_pmtu(sk, asoc);
/* If fragmentation is disabled and the message length exceeds the
* association fragmentation point, return EMSGSIZE. The I-D
* does not specify what this error is, but this looks like
* a great fit.
*/
if (sctp_sk(sk)->disable_fragments && (msg_len > asoc->frag_point)) {
err = -EMSGSIZE;
goto out_free;
}
/* Check for invalid stream. */
if (sinfo->sinfo_stream >= asoc->c.sinit_num_ostreams) {
err = -EINVAL;
goto out_free;
}
timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
if (!sctp_wspace(asoc)) {
err = sctp_wait_for_sndbuf(asoc, &timeo, msg_len);
if (err)
goto out_free;
}
/* If an address is passed with the sendto/sendmsg call, it is used
* to override the primary destination address in the TCP model, or
* when SCTP_ADDR_OVER flag is set in the UDP model.
*/
if ((sctp_style(sk, TCP) && msg_name) ||
(sinfo_flags & SCTP_ADDR_OVER)) {
chunk_tp = sctp_assoc_lookup_paddr(asoc, &to);
if (!chunk_tp) {
err = -EINVAL;
goto out_free;
}
} else
chunk_tp = NULL;
/* Auto-connect, if we aren't connected already. */
if (sctp_state(asoc, CLOSED)) {
err = sctp_primitive_ASSOCIATE(net, asoc, NULL);
if (err < 0)
goto out_free;
SCTP_DEBUG_PRINTK("We associated primitively.\n");
}
/* Break the message into multiple chunks of maximum size. */
datamsg = sctp_datamsg_from_user(asoc, sinfo, msg, msg_len);
if (IS_ERR(datamsg)) {
err = PTR_ERR(datamsg);
goto out_free;
}
/* Now send the (possibly) fragmented message. */
list_for_each_entry(chunk, &datamsg->chunks, frag_list) {
sctp_chunk_hold(chunk);
/* Do accounting for the write space. */
sctp_set_owner_w(chunk);
chunk->transport = chunk_tp;
}
/* Send it to the lower layers. Note: all chunks
* must either fail or succeed. The lower layer
* works that way today. Keep it that way or this
* breaks.
*/
err = sctp_primitive_SEND(net, asoc, datamsg);
/* Did the lower layer accept the chunk? */
if (err)
sctp_datamsg_free(datamsg);
else
sctp_datamsg_put(datamsg);
SCTP_DEBUG_PRINTK("We sent primitively.\n");
if (err)
goto out_free;
else
err = msg_len;
/* If we are already past ASSOCIATE, the lower
* layers are responsible for association cleanup.
*/
goto out_unlock;
out_free:
if (new_asoc) {
sctp_unhash_established(asoc);
sctp_association_free(asoc);
}
out_unlock:
sctp_release_sock(sk);
out_nounlock:
return sctp_error(sk, msg_flags, err);
#if 0
do_sock_err:
if (msg_len)
err = msg_len;
else
err = sock_error(sk);
goto out;
do_interrupted:
if (msg_len)
err = msg_len;
goto out;
#endif /* 0 */
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,493 | SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen)
{
int retval = 0;
SCTP_DEBUG_PRINTK("sctp_setsockopt(sk: %p... optname: %d)\n",
sk, optname);
/* I can hardly begin to describe how wrong this is. This is
* so broken as to be worse than useless. The API draft
* REALLY is NOT helpful here... I am not convinced that the
* semantics of setsockopt() with a level OTHER THAN SOL_SCTP
* are at all well-founded.
*/
if (level != SOL_SCTP) {
struct sctp_af *af = sctp_sk(sk)->pf->af;
retval = af->setsockopt(sk, level, optname, optval, optlen);
goto out_nounlock;
}
sctp_lock_sock(sk);
switch (optname) {
case SCTP_SOCKOPT_BINDX_ADD:
/* 'optlen' is the size of the addresses buffer. */
retval = sctp_setsockopt_bindx(sk, (struct sockaddr __user *)optval,
optlen, SCTP_BINDX_ADD_ADDR);
break;
case SCTP_SOCKOPT_BINDX_REM:
/* 'optlen' is the size of the addresses buffer. */
retval = sctp_setsockopt_bindx(sk, (struct sockaddr __user *)optval,
optlen, SCTP_BINDX_REM_ADDR);
break;
case SCTP_SOCKOPT_CONNECTX_OLD:
/* 'optlen' is the size of the addresses buffer. */
retval = sctp_setsockopt_connectx_old(sk,
(struct sockaddr __user *)optval,
optlen);
break;
case SCTP_SOCKOPT_CONNECTX:
/* 'optlen' is the size of the addresses buffer. */
retval = sctp_setsockopt_connectx(sk,
(struct sockaddr __user *)optval,
optlen);
break;
case SCTP_DISABLE_FRAGMENTS:
retval = sctp_setsockopt_disable_fragments(sk, optval, optlen);
break;
case SCTP_EVENTS:
retval = sctp_setsockopt_events(sk, optval, optlen);
break;
case SCTP_AUTOCLOSE:
retval = sctp_setsockopt_autoclose(sk, optval, optlen);
break;
case SCTP_PEER_ADDR_PARAMS:
retval = sctp_setsockopt_peer_addr_params(sk, optval, optlen);
break;
case SCTP_DELAYED_SACK:
retval = sctp_setsockopt_delayed_ack(sk, optval, optlen);
break;
case SCTP_PARTIAL_DELIVERY_POINT:
retval = sctp_setsockopt_partial_delivery_point(sk, optval, optlen);
break;
case SCTP_INITMSG:
retval = sctp_setsockopt_initmsg(sk, optval, optlen);
break;
case SCTP_DEFAULT_SEND_PARAM:
retval = sctp_setsockopt_default_send_param(sk, optval,
optlen);
break;
case SCTP_PRIMARY_ADDR:
retval = sctp_setsockopt_primary_addr(sk, optval, optlen);
break;
case SCTP_SET_PEER_PRIMARY_ADDR:
retval = sctp_setsockopt_peer_primary_addr(sk, optval, optlen);
break;
case SCTP_NODELAY:
retval = sctp_setsockopt_nodelay(sk, optval, optlen);
break;
case SCTP_RTOINFO:
retval = sctp_setsockopt_rtoinfo(sk, optval, optlen);
break;
case SCTP_ASSOCINFO:
retval = sctp_setsockopt_associnfo(sk, optval, optlen);
break;
case SCTP_I_WANT_MAPPED_V4_ADDR:
retval = sctp_setsockopt_mappedv4(sk, optval, optlen);
break;
case SCTP_MAXSEG:
retval = sctp_setsockopt_maxseg(sk, optval, optlen);
break;
case SCTP_ADAPTATION_LAYER:
retval = sctp_setsockopt_adaptation_layer(sk, optval, optlen);
break;
case SCTP_CONTEXT:
retval = sctp_setsockopt_context(sk, optval, optlen);
break;
case SCTP_FRAGMENT_INTERLEAVE:
retval = sctp_setsockopt_fragment_interleave(sk, optval, optlen);
break;
case SCTP_MAX_BURST:
retval = sctp_setsockopt_maxburst(sk, optval, optlen);
break;
case SCTP_AUTH_CHUNK:
retval = sctp_setsockopt_auth_chunk(sk, optval, optlen);
break;
case SCTP_HMAC_IDENT:
retval = sctp_setsockopt_hmac_ident(sk, optval, optlen);
break;
case SCTP_AUTH_KEY:
retval = sctp_setsockopt_auth_key(sk, optval, optlen);
break;
case SCTP_AUTH_ACTIVE_KEY:
retval = sctp_setsockopt_active_key(sk, optval, optlen);
break;
case SCTP_AUTH_DELETE_KEY:
retval = sctp_setsockopt_del_key(sk, optval, optlen);
break;
case SCTP_AUTO_ASCONF:
retval = sctp_setsockopt_auto_asconf(sk, optval, optlen);
break;
case SCTP_PEER_ADDR_THLDS:
retval = sctp_setsockopt_paddr_thresholds(sk, optval, optlen);
break;
default:
retval = -ENOPROTOOPT;
break;
}
sctp_release_sock(sk);
out_nounlock:
return retval;
}
| +Priv | 0 | SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen)
{
int retval = 0;
SCTP_DEBUG_PRINTK("sctp_setsockopt(sk: %p... optname: %d)\n",
sk, optname);
/* I can hardly begin to describe how wrong this is. This is
* so broken as to be worse than useless. The API draft
* REALLY is NOT helpful here... I am not convinced that the
* semantics of setsockopt() with a level OTHER THAN SOL_SCTP
* are at all well-founded.
*/
if (level != SOL_SCTP) {
struct sctp_af *af = sctp_sk(sk)->pf->af;
retval = af->setsockopt(sk, level, optname, optval, optlen);
goto out_nounlock;
}
sctp_lock_sock(sk);
switch (optname) {
case SCTP_SOCKOPT_BINDX_ADD:
/* 'optlen' is the size of the addresses buffer. */
retval = sctp_setsockopt_bindx(sk, (struct sockaddr __user *)optval,
optlen, SCTP_BINDX_ADD_ADDR);
break;
case SCTP_SOCKOPT_BINDX_REM:
/* 'optlen' is the size of the addresses buffer. */
retval = sctp_setsockopt_bindx(sk, (struct sockaddr __user *)optval,
optlen, SCTP_BINDX_REM_ADDR);
break;
case SCTP_SOCKOPT_CONNECTX_OLD:
/* 'optlen' is the size of the addresses buffer. */
retval = sctp_setsockopt_connectx_old(sk,
(struct sockaddr __user *)optval,
optlen);
break;
case SCTP_SOCKOPT_CONNECTX:
/* 'optlen' is the size of the addresses buffer. */
retval = sctp_setsockopt_connectx(sk,
(struct sockaddr __user *)optval,
optlen);
break;
case SCTP_DISABLE_FRAGMENTS:
retval = sctp_setsockopt_disable_fragments(sk, optval, optlen);
break;
case SCTP_EVENTS:
retval = sctp_setsockopt_events(sk, optval, optlen);
break;
case SCTP_AUTOCLOSE:
retval = sctp_setsockopt_autoclose(sk, optval, optlen);
break;
case SCTP_PEER_ADDR_PARAMS:
retval = sctp_setsockopt_peer_addr_params(sk, optval, optlen);
break;
case SCTP_DELAYED_SACK:
retval = sctp_setsockopt_delayed_ack(sk, optval, optlen);
break;
case SCTP_PARTIAL_DELIVERY_POINT:
retval = sctp_setsockopt_partial_delivery_point(sk, optval, optlen);
break;
case SCTP_INITMSG:
retval = sctp_setsockopt_initmsg(sk, optval, optlen);
break;
case SCTP_DEFAULT_SEND_PARAM:
retval = sctp_setsockopt_default_send_param(sk, optval,
optlen);
break;
case SCTP_PRIMARY_ADDR:
retval = sctp_setsockopt_primary_addr(sk, optval, optlen);
break;
case SCTP_SET_PEER_PRIMARY_ADDR:
retval = sctp_setsockopt_peer_primary_addr(sk, optval, optlen);
break;
case SCTP_NODELAY:
retval = sctp_setsockopt_nodelay(sk, optval, optlen);
break;
case SCTP_RTOINFO:
retval = sctp_setsockopt_rtoinfo(sk, optval, optlen);
break;
case SCTP_ASSOCINFO:
retval = sctp_setsockopt_associnfo(sk, optval, optlen);
break;
case SCTP_I_WANT_MAPPED_V4_ADDR:
retval = sctp_setsockopt_mappedv4(sk, optval, optlen);
break;
case SCTP_MAXSEG:
retval = sctp_setsockopt_maxseg(sk, optval, optlen);
break;
case SCTP_ADAPTATION_LAYER:
retval = sctp_setsockopt_adaptation_layer(sk, optval, optlen);
break;
case SCTP_CONTEXT:
retval = sctp_setsockopt_context(sk, optval, optlen);
break;
case SCTP_FRAGMENT_INTERLEAVE:
retval = sctp_setsockopt_fragment_interleave(sk, optval, optlen);
break;
case SCTP_MAX_BURST:
retval = sctp_setsockopt_maxburst(sk, optval, optlen);
break;
case SCTP_AUTH_CHUNK:
retval = sctp_setsockopt_auth_chunk(sk, optval, optlen);
break;
case SCTP_HMAC_IDENT:
retval = sctp_setsockopt_hmac_ident(sk, optval, optlen);
break;
case SCTP_AUTH_KEY:
retval = sctp_setsockopt_auth_key(sk, optval, optlen);
break;
case SCTP_AUTH_ACTIVE_KEY:
retval = sctp_setsockopt_active_key(sk, optval, optlen);
break;
case SCTP_AUTH_DELETE_KEY:
retval = sctp_setsockopt_del_key(sk, optval, optlen);
break;
case SCTP_AUTO_ASCONF:
retval = sctp_setsockopt_auto_asconf(sk, optval, optlen);
break;
case SCTP_PEER_ADDR_THLDS:
retval = sctp_setsockopt_paddr_thresholds(sk, optval, optlen);
break;
default:
retval = -ENOPROTOOPT;
break;
}
sctp_release_sock(sk);
out_nounlock:
return retval;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,494 | static int sctp_setsockopt_active_key(struct sock *sk,
char __user *optval,
unsigned int optlen)
{
struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
if (!net->sctp.auth_enable)
return -EACCES;
if (optlen != sizeof(struct sctp_authkeyid))
return -EINVAL;
if (copy_from_user(&val, optval, optlen))
return -EFAULT;
asoc = sctp_id2assoc(sk, val.scact_assoc_id);
if (!asoc && val.scact_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
return sctp_auth_set_active_key(sctp_sk(sk)->ep, asoc,
val.scact_keynumber);
}
| +Priv | 0 | static int sctp_setsockopt_active_key(struct sock *sk,
char __user *optval,
unsigned int optlen)
{
struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
if (!net->sctp.auth_enable)
return -EACCES;
if (optlen != sizeof(struct sctp_authkeyid))
return -EINVAL;
if (copy_from_user(&val, optval, optlen))
return -EFAULT;
asoc = sctp_id2assoc(sk, val.scact_assoc_id);
if (!asoc && val.scact_assoc_id && sctp_style(sk, UDP))
return -EINVAL;
return sctp_auth_set_active_key(sctp_sk(sk)->ep, asoc,
val.scact_keynumber);
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,495 | static int sctp_setsockopt_adaptation_layer(struct sock *sk, char __user *optval,
unsigned int optlen)
{
struct sctp_setadaptation adaptation;
if (optlen != sizeof(struct sctp_setadaptation))
return -EINVAL;
if (copy_from_user(&adaptation, optval, optlen))
return -EFAULT;
sctp_sk(sk)->adaptation_ind = adaptation.ssb_adaptation_ind;
return 0;
}
| +Priv | 0 | static int sctp_setsockopt_adaptation_layer(struct sock *sk, char __user *optval,
unsigned int optlen)
{
struct sctp_setadaptation adaptation;
if (optlen != sizeof(struct sctp_setadaptation))
return -EINVAL;
if (copy_from_user(&adaptation, optval, optlen))
return -EFAULT;
sctp_sk(sk)->adaptation_ind = adaptation.ssb_adaptation_ind;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,496 | static int sctp_setsockopt_auto_asconf(struct sock *sk, char __user *optval,
unsigned int optlen)
{
int val;
struct sctp_sock *sp = sctp_sk(sk);
if (optlen < sizeof(int))
return -EINVAL;
if (get_user(val, (int __user *)optval))
return -EFAULT;
if (!sctp_is_ep_boundall(sk) && val)
return -EINVAL;
if ((val && sp->do_auto_asconf) || (!val && !sp->do_auto_asconf))
return 0;
if (val == 0 && sp->do_auto_asconf) {
list_del(&sp->auto_asconf_list);
sp->do_auto_asconf = 0;
} else if (val && !sp->do_auto_asconf) {
list_add_tail(&sp->auto_asconf_list,
&sock_net(sk)->sctp.auto_asconf_splist);
sp->do_auto_asconf = 1;
}
return 0;
}
| +Priv | 0 | static int sctp_setsockopt_auto_asconf(struct sock *sk, char __user *optval,
unsigned int optlen)
{
int val;
struct sctp_sock *sp = sctp_sk(sk);
if (optlen < sizeof(int))
return -EINVAL;
if (get_user(val, (int __user *)optval))
return -EFAULT;
if (!sctp_is_ep_boundall(sk) && val)
return -EINVAL;
if ((val && sp->do_auto_asconf) || (!val && !sp->do_auto_asconf))
return 0;
if (val == 0 && sp->do_auto_asconf) {
list_del(&sp->auto_asconf_list);
sp->do_auto_asconf = 0;
} else if (val && !sp->do_auto_asconf) {
list_add_tail(&sp->auto_asconf_list,
&sock_net(sk)->sctp.auto_asconf_splist);
sp->do_auto_asconf = 1;
}
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,497 | static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
unsigned int optlen)
{
struct sctp_sock *sp = sctp_sk(sk);
/* Applicable to UDP-style socket only */
if (sctp_style(sk, TCP))
return -EOPNOTSUPP;
if (optlen != sizeof(int))
return -EINVAL;
if (copy_from_user(&sp->autoclose, optval, optlen))
return -EFAULT;
return 0;
}
| +Priv | 0 | static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
unsigned int optlen)
{
struct sctp_sock *sp = sctp_sk(sk);
/* Applicable to UDP-style socket only */
if (sctp_style(sk, TCP))
return -EOPNOTSUPP;
if (optlen != sizeof(int))
return -EINVAL;
if (copy_from_user(&sp->autoclose, optval, optlen))
return -EFAULT;
return 0;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,498 | SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk,
struct sockaddr __user *addrs,
int addrs_size)
{
sctp_assoc_t assoc_id = 0;
int err = 0;
err = __sctp_setsockopt_connectx(sk, addrs, addrs_size, &assoc_id);
if (err)
return err;
else
return assoc_id;
}
| +Priv | 0 | SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk,
struct sockaddr __user *addrs,
int addrs_size)
{
sctp_assoc_t assoc_id = 0;
int err = 0;
err = __sctp_setsockopt_connectx(sk, addrs, addrs_size, &assoc_id);
if (err)
return err;
else
return assoc_id;
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
26,499 | SCTP_STATIC int sctp_setsockopt_connectx_old(struct sock* sk,
struct sockaddr __user *addrs,
int addrs_size)
{
return __sctp_setsockopt_connectx(sk, addrs, addrs_size, NULL);
}
| +Priv | 0 | SCTP_STATIC int sctp_setsockopt_connectx_old(struct sock* sk,
struct sockaddr __user *addrs,
int addrs_size)
{
return __sctp_setsockopt_connectx(sk, addrs, addrs_size, NULL);
}
| @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
| CWE-20 | null | null |
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