idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
40,800 | write_iso9660_data(struct archive_write *a, const void *buff, size_t s)
{
struct iso9660 *iso9660 = a->format_data;
size_t ws;
if (iso9660->temp_fd < 0) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Couldn't create temporary file");
return (ARCHIVE_FATAL);
}
ws = s;
if (iso9660->need_multi_ext... | DoS Exec Code Overflow | 0 | write_iso9660_data(struct archive_write *a, const void *buff, size_t s)
{
struct iso9660 *iso9660 = a->format_data;
size_t ws;
if (iso9660->temp_fd < 0) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Couldn't create temporary file");
return (ARCHIVE_FATAL);
}
ws = s;
if (iso9660->need_multi_ext... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,801 | write_null(struct archive_write *a, size_t size)
{
size_t remaining;
unsigned char *p, *old;
int r;
remaining = wb_remaining(a);
p = wb_buffptr(a);
if (size <= remaining) {
memset(p, 0, size);
return (wb_consume(a, size));
}
memset(p, 0, remaining);
r = wb_consume(a, remaining);
if (r != ARCHIVE_OK)
re... | DoS Exec Code Overflow | 0 | write_null(struct archive_write *a, size_t size)
{
size_t remaining;
unsigned char *p, *old;
int r;
remaining = wb_remaining(a);
p = wb_buffptr(a);
if (size <= remaining) {
memset(p, 0, size);
return (wb_consume(a, size));
}
memset(p, 0, remaining);
r = wb_consume(a, remaining);
if (r != ARCHIVE_OK)
re... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,802 | write_rr_ER(struct archive_write *a)
{
unsigned char *p;
p = wb_buffptr(a);
memset(p, 0, LOGICAL_BLOCK_SIZE);
p[0] = 'E';
p[1] = 'R';
p[3] = 0x01;
p[2] = RRIP_ER_SIZE;
p[4] = RRIP_ER_ID_SIZE;
p[5] = RRIP_ER_DSC_SIZE;
p[6] = RRIP_ER_SRC_SIZE;
p[7] = 0x01;
memcpy(&p[8], rrip_identifier, p[4]);
memcpy(&p[8+... | DoS Exec Code Overflow | 0 | write_rr_ER(struct archive_write *a)
{
unsigned char *p;
p = wb_buffptr(a);
memset(p, 0, LOGICAL_BLOCK_SIZE);
p[0] = 'E';
p[1] = 'R';
p[3] = 0x01;
p[2] = RRIP_ER_SIZE;
p[4] = RRIP_ER_ID_SIZE;
p[5] = RRIP_ER_DSC_SIZE;
p[6] = RRIP_ER_SRC_SIZE;
p[7] = 0x01;
memcpy(&p[8], rrip_identifier, p[4]);
memcpy(&p[8+... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,803 | zisofs_detect_magic(struct archive_write *a, const void *buff, size_t s)
{
struct iso9660 *iso9660 = a->format_data;
struct isofile *file = iso9660->cur_file;
const unsigned char *p, *endp;
const unsigned char *magic_buff;
uint32_t uncompressed_size;
unsigned char header_size;
unsigned char log2_bs;
size_t _cei... | DoS Exec Code Overflow | 0 | zisofs_detect_magic(struct archive_write *a, const void *buff, size_t s)
{
struct iso9660 *iso9660 = a->format_data;
struct isofile *file = iso9660->cur_file;
const unsigned char *p, *endp;
const unsigned char *magic_buff;
uint32_t uncompressed_size;
unsigned char header_size;
unsigned char log2_bs;
size_t _cei... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,804 | zisofs_extract(struct archive_write *a, struct zisofs_extract *zisofs,
const unsigned char *p, size_t bytes)
{
size_t avail;
int r;
if (!zisofs->initialized) {
ssize_t rs = zisofs_extract_init(a, zisofs, p, bytes);
if (rs < 0)
return (rs);
if (!zisofs->initialized) {
/* We need more data. */
ziso... | DoS Exec Code Overflow | 0 | zisofs_extract(struct archive_write *a, struct zisofs_extract *zisofs,
const unsigned char *p, size_t bytes)
{
size_t avail;
int r;
if (!zisofs->initialized) {
ssize_t rs = zisofs_extract_init(a, zisofs, p, bytes);
if (rs < 0)
return (rs);
if (!zisofs->initialized) {
/* We need more data. */
ziso... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,805 | zisofs_finish_entry(struct archive_write *a)
{
struct iso9660 *iso9660 = a->format_data;
struct isofile *file = iso9660->cur_file;
unsigned char buff[16];
size_t s;
int64_t tail;
/* Direct temp file stream to zisofs temp file stream. */
archive_entry_set_size(file->entry, iso9660->zisofs.total_size);
/*
* S... | DoS Exec Code Overflow | 0 | zisofs_finish_entry(struct archive_write *a)
{
struct iso9660 *iso9660 = a->format_data;
struct isofile *file = iso9660->cur_file;
unsigned char buff[16];
size_t s;
int64_t tail;
/* Direct temp file stream to zisofs temp file stream. */
archive_entry_set_size(file->entry, iso9660->zisofs.total_size);
/*
* S... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,806 | zisofs_finish_entry(struct archive_write *a)
{
(void)a; /* UNUSED */
return (ARCHIVE_OK);
}
| DoS Exec Code Overflow | 0 | zisofs_finish_entry(struct archive_write *a)
{
(void)a; /* UNUSED */
return (ARCHIVE_OK);
}
| @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,807 | zisofs_free(struct archive_write *a)
{
struct iso9660 *iso9660 = a->format_data;
int ret = ARCHIVE_OK;
free(iso9660->zisofs.block_pointers);
if (iso9660->zisofs.stream_valid &&
deflateEnd(&(iso9660->zisofs.stream)) != Z_OK) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Failed to clean up compr... | DoS Exec Code Overflow | 0 | zisofs_free(struct archive_write *a)
{
struct iso9660 *iso9660 = a->format_data;
int ret = ARCHIVE_OK;
free(iso9660->zisofs.block_pointers);
if (iso9660->zisofs.stream_valid &&
deflateEnd(&(iso9660->zisofs.stream)) != Z_OK) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Failed to clean up compr... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,808 | zisofs_free(struct archive_write *a)
{
(void)a; /* UNUSED */
return (ARCHIVE_OK);
}
| DoS Exec Code Overflow | 0 | zisofs_free(struct archive_write *a)
{
(void)a; /* UNUSED */
return (ARCHIVE_OK);
}
| @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,809 | zisofs_init(struct archive_write *a, struct isofile *file)
{
struct iso9660 *iso9660 = a->format_data;
#ifdef HAVE_ZLIB_H
uint64_t tsize;
size_t _ceil, bpsize;
int r;
#endif
iso9660->zisofs.detect_magic = 0;
iso9660->zisofs.making = 0;
if (!iso9660->opt.rr || !iso9660->opt.zisofs)
return (ARCHIVE_OK);
if ... | DoS Exec Code Overflow | 0 | zisofs_init(struct archive_write *a, struct isofile *file)
{
struct iso9660 *iso9660 = a->format_data;
#ifdef HAVE_ZLIB_H
uint64_t tsize;
size_t _ceil, bpsize;
int r;
#endif
iso9660->zisofs.detect_magic = 0;
iso9660->zisofs.making = 0;
if (!iso9660->opt.rr || !iso9660->opt.zisofs)
return (ARCHIVE_OK);
if ... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,810 | zisofs_init_zstream(struct archive_write *a)
{
struct iso9660 *iso9660 = a->format_data;
int r;
iso9660->zisofs.stream.next_in = NULL;
iso9660->zisofs.stream.avail_in = 0;
iso9660->zisofs.stream.total_in = 0;
iso9660->zisofs.stream.total_out = 0;
if (iso9660->zisofs.stream_valid)
r = deflateReset(&(iso9660->z... | DoS Exec Code Overflow | 0 | zisofs_init_zstream(struct archive_write *a)
{
struct iso9660 *iso9660 = a->format_data;
int r;
iso9660->zisofs.stream.next_in = NULL;
iso9660->zisofs.stream.avail_in = 0;
iso9660->zisofs.stream.total_in = 0;
iso9660->zisofs.stream.total_out = 0;
if (iso9660->zisofs.stream_valid)
r = deflateReset(&(iso9660->z... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,811 | zisofs_rewind_boot_file(struct archive_write *a)
{
struct iso9660 *iso9660 = a->format_data;
struct isofile *file;
unsigned char *rbuff;
ssize_t r;
size_t remaining, rbuff_size;
struct zisofs_extract zext;
int64_t read_offset, write_offset, new_offset;
int fd, ret = ARCHIVE_OK;
file = iso9660->el_torito.boot-... | DoS Exec Code Overflow | 0 | zisofs_rewind_boot_file(struct archive_write *a)
{
struct iso9660 *iso9660 = a->format_data;
struct isofile *file;
unsigned char *rbuff;
ssize_t r;
size_t remaining, rbuff_size;
struct zisofs_extract zext;
int64_t read_offset, write_offset, new_offset;
int fd, ret = ARCHIVE_OK;
file = iso9660->el_torito.boot-... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,812 | zisofs_write_to_temp(struct archive_write *a, const void *buff, size_t s)
{
struct iso9660 *iso9660 = a->format_data;
struct isofile *file = iso9660->cur_file;
const unsigned char *b;
z_stream *zstrm;
size_t avail, csize;
int flush, r;
zstrm = &(iso9660->zisofs.stream);
zstrm->next_out = wb_buffptr(a);
zstrm-... | DoS Exec Code Overflow | 0 | zisofs_write_to_temp(struct archive_write *a, const void *buff, size_t s)
{
struct iso9660 *iso9660 = a->format_data;
struct isofile *file = iso9660->cur_file;
const unsigned char *b;
z_stream *zstrm;
size_t avail, csize;
int flush, r;
zstrm = &(iso9660->zisofs.stream);
zstrm->next_out = wb_buffptr(a);
zstrm-... | @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,813 | zisofs_write_to_temp(struct archive_write *a, const void *buff, size_t s)
{
(void)buff; /* UNUSED */
(void)s; /* UNUSED */
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, "Programing error");
return (ARCHIVE_FATAL);
}
| DoS Exec Code Overflow | 0 | zisofs_write_to_temp(struct archive_write *a, const void *buff, size_t s)
{
(void)buff; /* UNUSED */
(void)s; /* UNUSED */
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, "Programing error");
return (ARCHIVE_FATAL);
}
| @@ -6225,7 +6225,7 @@ isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent,
unsigned char *p;
size_t l;
int r;
- int ffmax, parent_len;
+ size_t ffmax, parent_len;
static const struct archive_rb_tree_ops rb_ops = {
isoent_cmp_node_joliet, isoent_cmp_key_joliet
};
@@ -6239,7 +6239,7 @... | CWE-190 | null | null |
40,814 | int read_image_tga( gdIOCtx *ctx, oTga *tga )
{
int pixel_block_size = (tga->bits / 8);
int image_block_size = (tga->width * tga->height) * pixel_block_size;
uint8_t* decompression_buffer = NULL;
unsigned char* conversion_buffer = NULL;
int buffer_caret = 0;
int bitmap_caret = 0;
int i = 0;
int j = 0;
uint8_t ... | DoS | 0 | int read_image_tga( gdIOCtx *ctx, oTga *tga )
{
int pixel_block_size = (tga->bits / 8);
int image_block_size = (tga->width * tga->height) * pixel_block_size;
uint8_t* decompression_buffer = NULL;
unsigned char* conversion_buffer = NULL;
int buffer_caret = 0;
int bitmap_caret = 0;
int i = 0;
int j = 0;
uint8_t ... | @@ -99,7 +99,7 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromTgaCtx(gdIOCtx* ctx)
if (tga->bits == TGA_BPP_24) {
*tpix = gdTrueColor(tga->bitmap[bitmap_caret + 2], tga->bitmap[bitmap_caret + 1], tga->bitmap[bitmap_caret]);
bitmap_caret += 3;
- } else if (tga->bits == TGA_BPP_32 || tga->alphabits) {
+ } ... | CWE-125 | null | null |
40,815 | SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
const char __user *, put_old)
{
struct path new, old, parent_path, root_parent, root;
struct mount *new_mnt, *root_mnt, *old_mnt;
struct mountpoint *old_mp, *root_mp;
int error;
if (!may_mount())
return -EPERM;
error = user_path_dir(new_root, &new);... | DoS | 0 | SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
const char __user *, put_old)
{
struct path new, old, parent_path, root_parent, root;
struct mount *new_mnt, *root_mnt, *old_mnt;
struct mountpoint *old_mp, *root_mp;
int error;
if (!may_mount())
return -EPERM;
error = user_path_dir(new_root, &new);... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,816 | SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
char __user *, type, unsigned long, flags, void __user *, data)
{
int ret;
char *kernel_type;
char *kernel_dev;
void *options;
kernel_type = copy_mount_string(type);
ret = PTR_ERR(kernel_type);
if (IS_ERR(kernel_type))
goto out_type;
... | DoS | 0 | SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
char __user *, type, unsigned long, flags, void __user *, data)
{
int ret;
char *kernel_type;
char *kernel_dev;
void *options;
kernel_type = copy_mount_string(type);
ret = PTR_ERR(kernel_type);
if (IS_ERR(kernel_type))
goto out_type;
... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,817 | int __legitimize_mnt(struct vfsmount *bastard, unsigned seq)
{
struct mount *mnt;
if (read_seqretry(&mount_lock, seq))
return 1;
if (bastard == NULL)
return 0;
mnt = real_mount(bastard);
mnt_add_count(mnt, 1);
if (likely(!read_seqretry(&mount_lock, seq)))
return 0;
if (bastard->mnt_flags & MNT_SYNC_UMOUNT)... | DoS | 0 | int __legitimize_mnt(struct vfsmount *bastard, unsigned seq)
{
struct mount *mnt;
if (read_seqretry(&mount_lock, seq))
return 1;
if (bastard == NULL)
return 0;
mnt = real_mount(bastard);
mnt_add_count(mnt, 1);
if (likely(!read_seqretry(&mount_lock, seq)))
return 0;
if (bastard->mnt_flags & MNT_SYNC_UMOUNT)... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,818 | static struct mount *alloc_vfsmnt(const char *name)
{
struct mount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL);
if (mnt) {
int err;
err = mnt_alloc_id(mnt);
if (err)
goto out_free_cache;
if (name) {
mnt->mnt_devname = kstrdup_const(name, GFP_KERNEL);
if (!mnt->mnt_devname)
goto out_free_id;... | DoS | 0 | static struct mount *alloc_vfsmnt(const char *name)
{
struct mount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL);
if (mnt) {
int err;
err = mnt_alloc_id(mnt);
if (err)
goto out_free_cache;
if (name) {
mnt->mnt_devname = kstrdup_const(name, GFP_KERNEL);
if (!mnt->mnt_devname)
goto out_free_id;... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,819 | static void attach_shadowed(struct mount *mnt,
struct mount *parent,
struct mount *shadows)
{
if (shadows) {
hlist_add_behind_rcu(&mnt->mnt_hash, &shadows->mnt_hash);
list_add(&mnt->mnt_child, &shadows->mnt_child);
} else {
hlist_add_head_rcu(&mnt->mnt_hash,
m_hash(&parent->mnt, mnt->mnt_mountpoint));... | DoS | 0 | static void attach_shadowed(struct mount *mnt,
struct mount *parent,
struct mount *shadows)
{
if (shadows) {
hlist_add_behind_rcu(&mnt->mnt_hash, &shadows->mnt_hash);
list_add(&mnt->mnt_child, &shadows->mnt_child);
} else {
hlist_add_head_rcu(&mnt->mnt_hash,
m_hash(&parent->mnt, mnt->mnt_mountpoint));... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,820 | static void cleanup_mnt(struct mount *mnt)
{
/*
* This probably indicates that somebody messed
* up a mnt_want/drop_write() pair. If this
* happens, the filesystem was probably unable
* to make r/w->r/o transitions.
*/
/*
* The locking used to deal with mnt_count decrement provides barriers,
* so mnt_g... | DoS | 0 | static void cleanup_mnt(struct mount *mnt)
{
/*
* This probably indicates that somebody messed
* up a mnt_want/drop_write() pair. If this
* happens, the filesystem was probably unable
* to make r/w->r/o transitions.
*/
/*
* The locking used to deal with mnt_count decrement provides barriers,
* so mnt_g... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,821 | static struct mount *clone_mnt(struct mount *old, struct dentry *root,
int flag)
{
struct super_block *sb = old->mnt.mnt_sb;
struct mount *mnt;
int err;
mnt = alloc_vfsmnt(old->mnt_devname);
if (!mnt)
return ERR_PTR(-ENOMEM);
if (flag & (CL_SLAVE | CL_PRIVATE | CL_SHARED_TO_SLAVE))
mnt->mnt_group_id = ... | DoS | 0 | static struct mount *clone_mnt(struct mount *old, struct dentry *root,
int flag)
{
struct super_block *sb = old->mnt.mnt_sb;
struct mount *mnt;
int err;
mnt = alloc_vfsmnt(old->mnt_devname);
if (!mnt)
return ERR_PTR(-ENOMEM);
if (flag & (CL_SLAVE | CL_PRIVATE | CL_SHARED_TO_SLAVE))
mnt->mnt_group_id = ... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,822 | struct vfsmount *clone_private_mount(struct path *path)
{
struct mount *old_mnt = real_mount(path->mnt);
struct mount *new_mnt;
if (IS_MNT_UNBINDABLE(old_mnt))
return ERR_PTR(-EINVAL);
down_read(&namespace_sem);
new_mnt = clone_mnt(old_mnt, path->dentry, CL_PRIVATE);
up_read(&namespace_sem);
if (IS_ERR(new_m... | DoS | 0 | struct vfsmount *clone_private_mount(struct path *path)
{
struct mount *old_mnt = real_mount(path->mnt);
struct mount *new_mnt;
if (IS_MNT_UNBINDABLE(old_mnt))
return ERR_PTR(-EINVAL);
down_read(&namespace_sem);
new_mnt = clone_mnt(old_mnt, path->dentry, CL_PRIVATE);
up_read(&namespace_sem);
if (IS_ERR(new_m... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,823 | static void delayed_mntput(struct work_struct *unused)
{
struct llist_node *node = llist_del_all(&delayed_mntput_list);
struct llist_node *next;
for (; node; node = next) {
next = llist_next(node);
cleanup_mnt(llist_entry(node, struct mount, mnt_llist));
}
}
| DoS | 0 | static void delayed_mntput(struct work_struct *unused)
{
struct llist_node *node = llist_del_all(&delayed_mntput_list);
struct llist_node *next;
for (; node; node = next) {
next = llist_next(node);
cleanup_mnt(llist_entry(node, struct mount, mnt_llist));
}
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,824 | static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how)
{
/* Leaving mounts connected is only valid for lazy umounts */
if (how & UMOUNT_SYNC)
return true;
/* A mount without a parent has nothing to be connected to */
if (!mnt_has_parent(mnt))
return true;
/* Because the reference countin... | DoS | 0 | static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how)
{
/* Leaving mounts connected is only valid for lazy umounts */
if (how & UMOUNT_SYNC)
return true;
/* A mount without a parent has nothing to be connected to */
if (!mnt_has_parent(mnt))
return true;
/* Because the reference countin... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,825 | static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags)
{
struct mountpoint *mp;
struct mount *parent;
int err;
mnt_flags &= ~MNT_INTERNAL_FLAGS;
mp = lock_mount(path);
if (IS_ERR(mp))
return PTR_ERR(mp);
parent = real_mount(path->mnt);
err = -EINVAL;
if (unlikely(!check_mnt(parent... | DoS | 0 | static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags)
{
struct mountpoint *mp;
struct mount *parent;
int err;
mnt_flags &= ~MNT_INTERNAL_FLAGS;
mp = lock_mount(path);
if (IS_ERR(mp))
return PTR_ERR(mp);
parent = real_mount(path->mnt);
err = -EINVAL;
if (unlikely(!check_mnt(parent... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,826 | static int do_loopback(struct path *path, const char *old_name,
int recurse)
{
struct path old_path;
struct mount *mnt = NULL, *old, *parent;
struct mountpoint *mp;
int err;
if (!old_name || !*old_name)
return -EINVAL;
err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);
if (err)
return ... | DoS | 0 | static int do_loopback(struct path *path, const char *old_name,
int recurse)
{
struct path old_path;
struct mount *mnt = NULL, *old, *parent;
struct mountpoint *mp;
int err;
if (!old_name || !*old_name)
return -EINVAL;
err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);
if (err)
return ... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,827 | long do_mount(const char *dev_name, const char __user *dir_name,
const char *type_page, unsigned long flags, void *data_page)
{
struct path path;
int retval = 0;
int mnt_flags = 0;
/* Discard magic */
if ((flags & MS_MGC_MSK) == MS_MGC_VAL)
flags &= ~MS_MGC_MSK;
/* Basic sanity checks */
if (data_page)
(... | DoS | 0 | long do_mount(const char *dev_name, const char __user *dir_name,
const char *type_page, unsigned long flags, void *data_page)
{
struct path path;
int retval = 0;
int mnt_flags = 0;
/* Discard magic */
if ((flags & MS_MGC_MSK) == MS_MGC_VAL)
flags &= ~MS_MGC_MSK;
/* Basic sanity checks */
if (data_page)
(... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,828 | static int do_remount(struct path *path, int flags, int mnt_flags,
void *data)
{
int err;
struct super_block *sb = path->mnt->mnt_sb;
struct mount *mnt = real_mount(path->mnt);
if (!check_mnt(mnt))
return -EINVAL;
if (path->dentry != path->mnt->mnt_root)
return -EINVAL;
/* Don't allow changing of l... | DoS | 0 | static int do_remount(struct path *path, int flags, int mnt_flags,
void *data)
{
int err;
struct super_block *sb = path->mnt->mnt_sb;
struct mount *mnt = real_mount(path->mnt);
if (!check_mnt(mnt))
return -EINVAL;
if (path->dentry != path->mnt->mnt_root)
return -EINVAL;
/* Don't allow changing of l... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,829 | static int do_umount(struct mount *mnt, int flags)
{
struct super_block *sb = mnt->mnt.mnt_sb;
int retval;
retval = security_sb_umount(&mnt->mnt, flags);
if (retval)
return retval;
/*
* Allow userspace to request a mountpoint be expired rather than
* unmounting unconditionally. Unmount only happens if:
*... | DoS | 0 | static int do_umount(struct mount *mnt, int flags)
{
struct super_block *sb = mnt->mnt.mnt_sb;
int retval;
retval = security_sb_umount(&mnt->mnt, flags);
if (retval)
return retval;
/*
* Allow userspace to request a mountpoint be expired rather than
* unmounting unconditionally. Unmount only happens if:
*... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,830 | void drop_collected_mounts(struct vfsmount *mnt)
{
namespace_lock();
lock_mount_hash();
umount_tree(real_mount(mnt), UMOUNT_SYNC);
unlock_mount_hash();
namespace_unlock();
}
| DoS | 0 | void drop_collected_mounts(struct vfsmount *mnt)
{
namespace_lock();
lock_mount_hash();
umount_tree(real_mount(mnt), UMOUNT_SYNC);
unlock_mount_hash();
namespace_unlock();
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,831 | static void drop_mountpoint(struct fs_pin *p)
{
struct mount *m = container_of(p, struct mount, mnt_umount);
dput(m->mnt_ex_mountpoint);
pin_remove(p);
mntput(&m->mnt);
}
| DoS | 0 | static void drop_mountpoint(struct fs_pin *p)
{
struct mount *m = container_of(p, struct mount, mnt_umount);
dput(m->mnt_ex_mountpoint);
pin_remove(p);
mntput(&m->mnt);
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,832 | static void free_mnt_ns(struct mnt_namespace *ns)
{
ns_free_inum(&ns->ns);
dec_mnt_namespaces(ns->ucounts);
put_user_ns(ns->user_ns);
kfree(ns);
}
| DoS | 0 | static void free_mnt_ns(struct mnt_namespace *ns)
{
ns_free_inum(&ns->ns);
dec_mnt_namespaces(ns->ucounts);
put_user_ns(ns->user_ns);
kfree(ns);
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,833 | static void free_vfsmnt(struct mount *mnt)
{
kfree_const(mnt->mnt_devname);
#ifdef CONFIG_SMP
free_percpu(mnt->mnt_pcp);
#endif
kmem_cache_free(mnt_cache, mnt);
}
| DoS | 0 | static void free_vfsmnt(struct mount *mnt)
{
kfree_const(mnt->mnt_devname);
#ifdef CONFIG_SMP
free_percpu(mnt->mnt_pcp);
#endif
kmem_cache_free(mnt_cache, mnt);
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,834 | static struct ucounts *inc_mnt_namespaces(struct user_namespace *ns)
{
return inc_ucount(ns, current_euid(), UCOUNT_MNT_NAMESPACES);
}
| DoS | 0 | static struct ucounts *inc_mnt_namespaces(struct user_namespace *ns)
{
return inc_ucount(ns, current_euid(), UCOUNT_MNT_NAMESPACES);
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,835 | static void __init init_mount_tree(void)
{
struct vfsmount *mnt;
struct mnt_namespace *ns;
struct path root;
struct file_system_type *type;
type = get_fs_type("rootfs");
if (!type)
panic("Can't find rootfs type");
mnt = vfs_kern_mount(type, 0, "rootfs", NULL);
put_filesystem(type);
if (IS_ERR(mnt))
panic(... | DoS | 0 | static void __init init_mount_tree(void)
{
struct vfsmount *mnt;
struct mnt_namespace *ns;
struct path root;
struct file_system_type *type;
type = get_fs_type("rootfs");
if (!type)
panic("Can't find rootfs type");
mnt = vfs_kern_mount(type, 0, "rootfs", NULL);
put_filesystem(type);
if (IS_ERR(mnt))
panic(... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,836 | static int invent_group_ids(struct mount *mnt, bool recurse)
{
struct mount *p;
for (p = mnt; p; p = recurse ? next_mnt(p, mnt) : NULL) {
if (!p->mnt_group_id && !IS_MNT_SHARED(p)) {
int err = mnt_alloc_group_id(p);
if (err) {
cleanup_group_ids(mnt, p);
return err;
}
}
}
return 0;
}
| DoS | 0 | static int invent_group_ids(struct mount *mnt, bool recurse)
{
struct mount *p;
for (p = mnt; p; p = recurse ? next_mnt(p, mnt) : NULL) {
if (!p->mnt_group_id && !IS_MNT_SHARED(p)) {
int err = mnt_alloc_group_id(p);
if (err) {
cleanup_group_ids(mnt, p);
return err;
}
}
}
return 0;
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,837 | static bool is_mnt_ns_file(struct dentry *dentry)
{
/* Is this a proxy for a mount namespace? */
return dentry->d_op == &ns_dentry_operations &&
dentry->d_fsdata == &mntns_operations;
}
| DoS | 0 | static bool is_mnt_ns_file(struct dentry *dentry)
{
/* Is this a proxy for a mount namespace? */
return dentry->d_op == &ns_dentry_operations &&
dentry->d_fsdata == &mntns_operations;
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,838 | bool legitimize_mnt(struct vfsmount *bastard, unsigned seq)
{
int res = __legitimize_mnt(bastard, seq);
if (likely(!res))
return true;
if (unlikely(res < 0)) {
rcu_read_unlock();
mntput(bastard);
rcu_read_lock();
}
return false;
}
| DoS | 0 | bool legitimize_mnt(struct vfsmount *bastard, unsigned seq)
{
int res = __legitimize_mnt(bastard, seq);
if (likely(!res))
return true;
if (unlikely(res < 0)) {
rcu_read_unlock();
mntput(bastard);
rcu_read_lock();
}
return false;
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,839 | static struct mountpoint *lock_mount(struct path *path)
{
struct vfsmount *mnt;
struct dentry *dentry = path->dentry;
retry:
inode_lock(dentry->d_inode);
if (unlikely(cant_mount(dentry))) {
inode_unlock(dentry->d_inode);
return ERR_PTR(-ENOENT);
}
namespace_lock();
mnt = lookup_mnt(path);
if (likely(!mnt)) ... | DoS | 0 | static struct mountpoint *lock_mount(struct path *path)
{
struct vfsmount *mnt;
struct dentry *dentry = path->dentry;
retry:
inode_lock(dentry->d_inode);
if (unlikely(cant_mount(dentry))) {
inode_unlock(dentry->d_inode);
return ERR_PTR(-ENOENT);
}
namespace_lock();
mnt = lookup_mnt(path);
if (likely(!mnt)) ... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,840 | static struct mountpoint *lookup_mountpoint(struct dentry *dentry)
{
struct hlist_head *chain = mp_hash(dentry);
struct mountpoint *mp;
hlist_for_each_entry(mp, chain, m_hash) {
if (mp->m_dentry == dentry) {
/* might be worth a WARN_ON() */
if (d_unlinked(dentry))
return ERR_PTR(-ENOENT);
mp->m_count... | DoS | 0 | static struct mountpoint *lookup_mountpoint(struct dentry *dentry)
{
struct hlist_head *chain = mp_hash(dentry);
struct mountpoint *mp;
hlist_for_each_entry(mp, chain, m_hash) {
if (mp->m_dentry == dentry) {
/* might be worth a WARN_ON() */
if (d_unlinked(dentry))
return ERR_PTR(-ENOENT);
mp->m_count... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,841 | static int m_show(struct seq_file *m, void *v)
{
struct proc_mounts *p = m->private;
struct mount *r = list_entry(v, struct mount, mnt_list);
return p->show(m, &r->mnt);
}
| DoS | 0 | static int m_show(struct seq_file *m, void *v)
{
struct proc_mounts *p = m->private;
struct mount *r = list_entry(v, struct mount, mnt_list);
return p->show(m, &r->mnt);
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,842 | static void *m_start(struct seq_file *m, loff_t *pos)
{
struct proc_mounts *p = m->private;
down_read(&namespace_sem);
if (p->cached_event == p->ns->event) {
void *v = p->cached_mount;
if (*pos == p->cached_index)
return v;
if (*pos == p->cached_index + 1) {
v = seq_list_next(v, &p->ns->list, &p->cached... | DoS | 0 | static void *m_start(struct seq_file *m, loff_t *pos)
{
struct proc_mounts *p = m->private;
down_read(&namespace_sem);
if (p->cached_event == p->ns->event) {
void *v = p->cached_mount;
if (*pos == p->cached_index)
return v;
if (*pos == p->cached_index + 1) {
v = seq_list_next(v, &p->ns->list, &p->cached... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,843 | void mark_mounts_for_expiry(struct list_head *mounts)
{
struct mount *mnt, *next;
LIST_HEAD(graveyard);
if (list_empty(mounts))
return;
namespace_lock();
lock_mount_hash();
/* extract from the expiration list every vfsmount that matches the
* following criteria:
* - only referenced by its parent vfsmount... | DoS | 0 | void mark_mounts_for_expiry(struct list_head *mounts)
{
struct mount *mnt, *next;
LIST_HEAD(graveyard);
if (list_empty(mounts))
return;
namespace_lock();
lock_mount_hash();
/* extract from the expiration list every vfsmount that matches the
* following criteria:
* - only referenced by its parent vfsmount... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,844 | static bool mnt_already_visible(struct mnt_namespace *ns, struct vfsmount *new,
int *new_mnt_flags)
{
int new_flags = *new_mnt_flags;
struct mount *mnt;
bool visible = false;
down_read(&namespace_sem);
list_for_each_entry(mnt, &ns->list, mnt_list) {
struct mount *child;
int mnt_flags;
if (mnt->mnt.mnt_... | DoS | 0 | static bool mnt_already_visible(struct mnt_namespace *ns, struct vfsmount *new,
int *new_mnt_flags)
{
int new_flags = *new_mnt_flags;
struct mount *mnt;
bool visible = false;
down_read(&namespace_sem);
list_for_each_entry(mnt, &ns->list, mnt_list) {
struct mount *child;
int mnt_flags;
if (mnt->mnt.mnt_... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,845 | struct vfsmount *mnt_clone_internal(struct path *path)
{
struct mount *p;
p = clone_mnt(real_mount(path->mnt), path->dentry, CL_PRIVATE);
if (IS_ERR(p))
return ERR_CAST(p);
p->mnt.mnt_flags |= MNT_INTERNAL;
return &p->mnt;
}
| DoS | 0 | struct vfsmount *mnt_clone_internal(struct path *path)
{
struct mount *p;
p = clone_mnt(real_mount(path->mnt), path->dentry, CL_PRIVATE);
if (IS_ERR(p))
return ERR_CAST(p);
p->mnt.mnt_flags |= MNT_INTERNAL;
return &p->mnt;
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,846 | void mnt_set_mountpoint(struct mount *mnt,
struct mountpoint *mp,
struct mount *child_mnt)
{
mp->m_count++;
mnt_add_count(mnt, 1); /* essentially, that's mntget */
child_mnt->mnt_mountpoint = dget(mp->m_dentry);
child_mnt->mnt_parent = mnt;
child_mnt->mnt_mp = mp;
hlist_add_head(&child_mnt->mnt_mp_list, &mp... | DoS | 0 | void mnt_set_mountpoint(struct mount *mnt,
struct mountpoint *mp,
struct mount *child_mnt)
{
mp->m_count++;
mnt_add_count(mnt, 1); /* essentially, that's mntget */
child_mnt->mnt_mountpoint = dget(mp->m_dentry);
child_mnt->mnt_parent = mnt;
child_mnt->mnt_mp = mp;
hlist_add_head(&child_mnt->mnt_mp_list, &mp... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,847 | static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns)
{
struct fs_struct *fs = current->fs;
struct mnt_namespace *mnt_ns = to_mnt_ns(ns);
struct path root;
if (!ns_capable(mnt_ns->user_ns, CAP_SYS_ADMIN) ||
!ns_capable(current_user_ns(), CAP_SYS_CHROOT) ||
!ns_capable(current_user_ns(),... | DoS | 0 | static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns)
{
struct fs_struct *fs = current->fs;
struct mnt_namespace *mnt_ns = to_mnt_ns(ns);
struct path root;
if (!ns_capable(mnt_ns->user_ns, CAP_SYS_ADMIN) ||
!ns_capable(current_user_ns(), CAP_SYS_CHROOT) ||
!ns_capable(current_user_ns(),... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,848 | static struct user_namespace *mntns_owner(struct ns_common *ns)
{
return to_mnt_ns(ns)->user_ns;
}
| DoS | 0 | static struct user_namespace *mntns_owner(struct ns_common *ns)
{
return to_mnt_ns(ns)->user_ns;
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,849 | static void mntns_put(struct ns_common *ns)
{
put_mnt_ns(to_mnt_ns(ns));
}
| DoS | 0 | static void mntns_put(struct ns_common *ns)
{
put_mnt_ns(to_mnt_ns(ns));
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,850 | static void mntput_no_expire(struct mount *mnt)
{
rcu_read_lock();
mnt_add_count(mnt, -1);
if (likely(mnt->mnt_ns)) { /* shouldn't be the last one */
rcu_read_unlock();
return;
}
lock_mount_hash();
if (mnt_get_count(mnt)) {
rcu_read_unlock();
unlock_mount_hash();
return;
}
if (unlikely(mnt->mnt.mnt_fl... | DoS | 0 | static void mntput_no_expire(struct mount *mnt)
{
rcu_read_lock();
mnt_add_count(mnt, -1);
if (likely(mnt->mnt_ns)) { /* shouldn't be the last one */
rcu_read_unlock();
return;
}
lock_mount_hash();
if (mnt_get_count(mnt)) {
rcu_read_unlock();
unlock_mount_hash();
return;
}
if (unlikely(mnt->mnt.mnt_fl... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,851 | static bool mount_too_revealing(struct vfsmount *mnt, int *new_mnt_flags)
{
const unsigned long required_iflags = SB_I_NOEXEC | SB_I_NODEV;
struct mnt_namespace *ns = current->nsproxy->mnt_ns;
unsigned long s_iflags;
if (ns->user_ns == &init_user_ns)
return false;
/* Can this filesystem be too revealing? */
s... | DoS | 0 | static bool mount_too_revealing(struct vfsmount *mnt, int *new_mnt_flags)
{
const unsigned long required_iflags = SB_I_NOEXEC | SB_I_NODEV;
struct mnt_namespace *ns = current->nsproxy->mnt_ns;
unsigned long s_iflags;
if (ns->user_ns == &init_user_ns)
return false;
/* Can this filesystem be too revealing? */
s... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,852 | static struct mountpoint *new_mountpoint(struct dentry *dentry)
{
struct hlist_head *chain = mp_hash(dentry);
struct mountpoint *mp;
int ret;
mp = kmalloc(sizeof(struct mountpoint), GFP_KERNEL);
if (!mp)
return ERR_PTR(-ENOMEM);
ret = d_set_mounted(dentry);
if (ret) {
kfree(mp);
return ERR_PTR(ret);
}
... | DoS | 0 | static struct mountpoint *new_mountpoint(struct dentry *dentry)
{
struct hlist_head *chain = mp_hash(dentry);
struct mountpoint *mp;
int ret;
mp = kmalloc(sizeof(struct mountpoint), GFP_KERNEL);
if (!mp)
return ERR_PTR(-ENOMEM);
ret = d_set_mounted(dentry);
if (ret) {
kfree(mp);
return ERR_PTR(ret);
}
... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,853 | static void put_mountpoint(struct mountpoint *mp)
{
if (!--mp->m_count) {
struct dentry *dentry = mp->m_dentry;
BUG_ON(!hlist_empty(&mp->m_list));
spin_lock(&dentry->d_lock);
dentry->d_flags &= ~DCACHE_MOUNTED;
spin_unlock(&dentry->d_lock);
hlist_del(&mp->m_hash);
kfree(mp);
}
}
| DoS | 0 | static void put_mountpoint(struct mountpoint *mp)
{
if (!--mp->m_count) {
struct dentry *dentry = mp->m_dentry;
BUG_ON(!hlist_empty(&mp->m_list));
spin_lock(&dentry->d_lock);
dentry->d_flags &= ~DCACHE_MOUNTED;
spin_unlock(&dentry->d_lock);
hlist_del(&mp->m_hash);
kfree(mp);
}
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,854 | static void shrink_submounts(struct mount *mnt)
{
LIST_HEAD(graveyard);
struct mount *m;
/* extract submounts of 'mountpoint' from the expiration list */
while (select_submounts(mnt, &graveyard)) {
while (!list_empty(&graveyard)) {
m = list_first_entry(&graveyard, struct mount,
mnt_expire);
touch_mnt... | DoS | 0 | static void shrink_submounts(struct mount *mnt)
{
LIST_HEAD(graveyard);
struct mount *m;
/* extract submounts of 'mountpoint' from the expiration list */
while (select_submounts(mnt, &graveyard)) {
while (!list_empty(&graveyard)) {
m = list_first_entry(&graveyard, struct mount,
mnt_expire);
touch_mnt... | @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,855 | struct mnt_namespace *to_mnt_ns(struct ns_common *ns)
{
return container_of(ns, struct mnt_namespace, ns);
}
| DoS | 0 | struct mnt_namespace *to_mnt_ns(struct ns_common *ns)
{
return container_of(ns, struct mnt_namespace, ns);
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,856 | static void umount_mnt(struct mount *mnt)
{
/* old mountpoint will be dropped when we can do that */
mnt->mnt_ex_mountpoint = mnt->mnt_mountpoint;
unhash_mnt(mnt);
}
| DoS | 0 | static void umount_mnt(struct mount *mnt)
{
/* old mountpoint will be dropped when we can do that */
mnt->mnt_ex_mountpoint = mnt->mnt_mountpoint;
unhash_mnt(mnt);
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,857 | static void unhash_mnt(struct mount *mnt)
{
mnt->mnt_parent = mnt;
mnt->mnt_mountpoint = mnt->mnt.mnt_root;
list_del_init(&mnt->mnt_child);
hlist_del_init_rcu(&mnt->mnt_hash);
hlist_del_init(&mnt->mnt_mp_list);
put_mountpoint(mnt->mnt_mp);
mnt->mnt_mp = NULL;
}
| DoS | 0 | static void unhash_mnt(struct mount *mnt)
{
mnt->mnt_parent = mnt;
mnt->mnt_mountpoint = mnt->mnt.mnt_root;
list_del_init(&mnt->mnt_child);
hlist_del_init_rcu(&mnt->mnt_hash);
hlist_del_init(&mnt->mnt_mp_list);
put_mountpoint(mnt->mnt_mp);
mnt->mnt_mp = NULL;
}
| @@ -27,6 +27,9 @@
#include "pnode.h"
#include "internal.h"
+/* Maximum number of mounts in a mount namespace */
+unsigned int sysctl_mount_max __read_mostly = 100000;
+
static unsigned int m_hash_mask __read_mostly;
static unsigned int m_hash_shift __read_mostly;
static unsigned int mp_hash_mask __read_mostly;
@... | CWE-400 | null | null |
40,858 | static void __propagate_umount(struct mount *mnt)
{
struct mount *parent = mnt->mnt_parent;
struct mount *m;
BUG_ON(parent == mnt);
for (m = propagation_next(parent, parent); m;
m = propagation_next(m, parent)) {
struct mount *child = __lookup_mnt_last(&m->mnt,
mnt->mnt_mountpoint);
/*
* umount t... | DoS | 0 | static void __propagate_umount(struct mount *mnt)
{
struct mount *parent = mnt->mnt_parent;
struct mount *m;
BUG_ON(parent == mnt);
for (m = propagation_next(parent, parent); m;
m = propagation_next(m, parent)) {
struct mount *child = __lookup_mnt_last(&m->mnt,
mnt->mnt_mountpoint);
/*
* umount t... | @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,859 | static int do_make_slave(struct mount *mnt)
{
struct mount *peer_mnt = mnt, *master = mnt->mnt_master;
struct mount *slave_mnt;
/*
* slave 'mnt' to a peer mount that has the
* same root dentry. If none is available then
* slave it to anything that is available.
*/
while ((peer_mnt = next_peer(peer_mnt)) !=... | DoS | 0 | static int do_make_slave(struct mount *mnt)
{
struct mount *peer_mnt = mnt, *master = mnt->mnt_master;
struct mount *slave_mnt;
/*
* slave 'mnt' to a peer mount that has the
* same root dentry. If none is available then
* slave it to anything that is available.
*/
while ((peer_mnt = next_peer(peer_mnt)) !=... | @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,860 | static inline int do_refcount_check(struct mount *mnt, int count)
{
return mnt_get_count(mnt) > count;
}
| DoS | 0 | static inline int do_refcount_check(struct mount *mnt, int count)
{
return mnt_get_count(mnt) > count;
}
| @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,861 | static struct mount *next_group(struct mount *m, struct mount *origin)
{
while (1) {
while (1) {
struct mount *next;
if (!IS_MNT_NEW(m) && !list_empty(&m->mnt_slave_list))
return first_slave(m);
next = next_peer(m);
if (m->mnt_group_id == origin->mnt_group_id) {
if (next == origin)
return NU... | DoS | 0 | static struct mount *next_group(struct mount *m, struct mount *origin)
{
while (1) {
while (1) {
struct mount *next;
if (!IS_MNT_NEW(m) && !list_empty(&m->mnt_slave_list))
return first_slave(m);
next = next_peer(m);
if (m->mnt_group_id == origin->mnt_group_id) {
if (next == origin)
return NU... | @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,862 | static inline bool peers(struct mount *m1, struct mount *m2)
{
return m1->mnt_group_id == m2->mnt_group_id && m1->mnt_group_id;
}
| DoS | 0 | static inline bool peers(struct mount *m1, struct mount *m2)
{
return m1->mnt_group_id == m2->mnt_group_id && m1->mnt_group_id;
}
| @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,863 | int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp,
struct mount *source_mnt, struct hlist_head *tree_list)
{
struct mount *m, *n;
int ret = 0;
/*
* we don't want to bother passing tons of arguments to
* propagate_one(); everything is serialized by namespace_sem,
* so globals will do j... | DoS | 0 | int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp,
struct mount *source_mnt, struct hlist_head *tree_list)
{
struct mount *m, *n;
int ret = 0;
/*
* we don't want to bother passing tons of arguments to
* propagate_one(); everything is serialized by namespace_sem,
* so globals will do j... | @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,864 | int propagate_mount_busy(struct mount *mnt, int refcnt)
{
struct mount *m, *child;
struct mount *parent = mnt->mnt_parent;
int ret = 0;
if (mnt == parent)
return do_refcount_check(mnt, refcnt);
/*
* quickly check if the current mount can be unmounted.
* If not, we don't have to go checking for all other
... | DoS | 0 | int propagate_mount_busy(struct mount *mnt, int refcnt)
{
struct mount *m, *child;
struct mount *parent = mnt->mnt_parent;
int ret = 0;
if (mnt == parent)
return do_refcount_check(mnt, refcnt);
/*
* quickly check if the current mount can be unmounted.
* If not, we don't have to go checking for all other
... | @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,865 | void propagate_mount_unlock(struct mount *mnt)
{
struct mount *parent = mnt->mnt_parent;
struct mount *m, *child;
BUG_ON(parent == mnt);
for (m = propagation_next(parent, parent); m;
m = propagation_next(m, parent)) {
child = __lookup_mnt_last(&m->mnt, mnt->mnt_mountpoint);
if (child)
child->mnt.mnt_fla... | DoS | 0 | void propagate_mount_unlock(struct mount *mnt)
{
struct mount *parent = mnt->mnt_parent;
struct mount *m, *child;
BUG_ON(parent == mnt);
for (m = propagation_next(parent, parent); m;
m = propagation_next(m, parent)) {
child = __lookup_mnt_last(&m->mnt, mnt->mnt_mountpoint);
if (child)
child->mnt.mnt_fla... | @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,866 | int propagate_umount(struct list_head *list)
{
struct mount *mnt;
list_for_each_entry_reverse(mnt, list, mnt_list)
mark_umount_candidates(mnt);
list_for_each_entry(mnt, list, mnt_list)
__propagate_umount(mnt);
return 0;
}
| DoS | 0 | int propagate_umount(struct list_head *list)
{
struct mount *mnt;
list_for_each_entry_reverse(mnt, list, mnt_list)
mark_umount_candidates(mnt);
list_for_each_entry(mnt, list, mnt_list)
__propagate_umount(mnt);
return 0;
}
| @@ -259,7 +259,7 @@ static int propagate_one(struct mount *m)
read_sequnlock_excl(&mount_lock);
}
hlist_add_head(&child->mnt_hash, list);
- return 0;
+ return count_mounts(m->mnt_ns, child);
}
/* | CWE-400 | null | null |
40,867 | static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
int write, void __user *buffer,
size_t *lenp, loff_t *ppos,
int (*conv)(bool *negp, unsigned long *lvalp, int *valp,
int write, void *data),
void *data)
{
int *i, vleft, first = 1, err = 0;
size_t left;
char *kbuf = NULL,... | DoS | 0 | static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
int write, void __user *buffer,
size_t *lenp, loff_t *ppos,
int (*conv)(bool *negp, unsigned long *lvalp, int *valp,
int write, void *data),
void *data)
{
int *i, vleft, first = 1, err = 0;
size_t left;
char *kbuf = NULL,... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,868 | static int _proc_do_string(char *data, int maxlen, int write,
char __user *buffer,
size_t *lenp, loff_t *ppos)
{
size_t len;
char __user *p;
char c;
if (!data || !maxlen || !*lenp) {
*lenp = 0;
return 0;
}
if (write) {
if (sysctl_writes_strict == SYSCTL_WRITES_STRICT) {
/* Only continue wri... | DoS | 0 | static int _proc_do_string(char *data, int maxlen, int write,
char __user *buffer,
size_t *lenp, loff_t *ppos)
{
size_t len;
char __user *p;
char c;
if (!data || !maxlen || !*lenp) {
*lenp = 0;
return 0;
}
if (write) {
if (sysctl_writes_strict == SYSCTL_WRITES_STRICT) {
/* Only continue wri... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,869 | static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp,
int *valp,
int write, void *data)
{
if (write) {
if (*lvalp > LONG_MAX / HZ)
return 1;
*valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ);
} else {
int val = *valp;
unsigned long lval;
if (val < 0) {
*negp = true;
lval =... | DoS | 0 | static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp,
int *valp,
int write, void *data)
{
if (write) {
if (*lvalp > LONG_MAX / HZ)
return 1;
*valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ);
} else {
int val = *valp;
unsigned long lval;
if (val < 0) {
*negp = true;
lval =... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,870 | static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp,
int *valp,
int write, void *data)
{
struct do_proc_dointvec_minmax_conv_param *param = data;
if (write) {
int val = *negp ? -*lvalp : *lvalp;
if ((param->min && *param->min > val) ||
(param->max && *param->max < val))
ret... | DoS | 0 | static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp,
int *valp,
int write, void *data)
{
struct do_proc_dointvec_minmax_conv_param *param = data;
if (write) {
int val = *negp ? -*lvalp : *lvalp;
if ((param->min && *param->min > val) ||
(param->max && *param->max < val))
ret... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,871 | static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp,
int *valp,
int write, void *data)
{
if (write) {
unsigned long jif = msecs_to_jiffies(*negp ? -*lvalp : *lvalp);
if (jif > INT_MAX)
return 1;
*valp = (int)jif;
} else {
int val = *valp;
unsigned long lval;
... | DoS | 0 | static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp,
int *valp,
int write, void *data)
{
if (write) {
unsigned long jif = msecs_to_jiffies(*negp ? -*lvalp : *lvalp);
if (jif > INT_MAX)
return 1;
*valp = (int)jif;
} else {
int val = *valp;
unsigned long lval;
... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,872 | static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp,
int *valp,
int write, void *data)
{
if (write) {
if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ)
return 1;
*valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp);
} else {
int val = *valp;
unsigned long lval... | DoS | 0 | static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp,
int *valp,
int write, void *data)
{
if (write) {
if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ)
return 1;
*valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp);
} else {
int val = *valp;
unsigned long lval... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,873 | int proc_do_large_bitmap(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int err = 0;
bool first = 1;
size_t left = *lenp;
unsigned long bitmap_len = table->maxlen;
unsigned long *bitmap = *(unsigned long **) table->data;
unsigned long *tmp_bitmap = NULL;
char tr_a[] = ... | DoS | 0 | int proc_do_large_bitmap(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int err = 0;
bool first = 1;
size_t left = *lenp;
unsigned long bitmap_len = table->maxlen;
unsigned long *bitmap = *(unsigned long **) table->data;
unsigned long *tmp_bitmap = NULL;
char tr_a[] = ... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,874 | static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
if (!error)
validate_coredump_safety();
return error;
}
| DoS | 0 | static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
if (!error)
validate_coredump_safety();
return error;
}
| @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,875 | static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
if (write && !capable(CAP_SYS_ADMIN))
return -EPERM;
return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
}
| DoS | 0 | static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
if (write && !capable(CAP_SYS_ADMIN))
return -EPERM;
return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
}
| @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,876 | static int proc_taint(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
unsigned long tmptaint = get_taint();
int err;
if (write && !capable(CAP_SYS_ADMIN))
return -EPERM;
t = *table;
t.data = &tmptaint;
err = proc_doulongvec_minmax(&t, write... | DoS | 0 | static int proc_taint(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
unsigned long tmptaint = get_taint();
int err;
if (write && !capable(CAP_SYS_ADMIN))
return -EPERM;
t = *table;
t.data = &tmptaint;
err = proc_doulongvec_minmax(&t, write... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,877 | int __init sysctl_init(void)
{
struct ctl_table_header *hdr;
hdr = register_sysctl_table(sysctl_base_table);
kmemleak_not_leak(hdr);
return 0;
}
| DoS | 0 | int __init sysctl_init(void)
{
struct ctl_table_header *hdr;
hdr = register_sysctl_table(sysctl_base_table);
kmemleak_not_leak(hdr);
return 0;
}
| @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,878 | static void validate_coredump_safety(void)
{
#ifdef CONFIG_COREDUMP
if (suid_dumpable == SUID_DUMP_ROOT &&
core_pattern[0] != '/' && core_pattern[0] != '|') {
printk(KERN_WARNING "Unsafe core_pattern used with "\
"suid_dumpable=2. Pipe handler or fully qualified "\
"core dump path required.\n");
}
#endif... | DoS | 0 | static void validate_coredump_safety(void)
{
#ifdef CONFIG_COREDUMP
if (suid_dumpable == SUID_DUMP_ROOT &&
core_pattern[0] != '/' && core_pattern[0] != '|') {
printk(KERN_WARNING "Unsafe core_pattern used with "\
"suid_dumpable=2. Pipe handler or fully qualified "\
"core dump path required.\n");
}
#endif... | @@ -65,6 +65,7 @@
#include <linux/sched/sysctl.h>
#include <linux/kexec.h>
#include <linux/bpf.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -1838,6 +1839,14 @@ static struct ctl_table fs_table[] = {
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
+ {
+ .p... | CWE-400 | null | null |
40,879 | static struct dentry *__lookup_hash(const struct qstr *name,
struct dentry *base, unsigned int flags)
{
struct dentry *dentry = lookup_dcache(name, base, flags);
if (dentry)
return dentry;
dentry = d_alloc(base, name);
if (unlikely(!dentry))
return ERR_PTR(-ENOMEM);
return lookup_real(base->d_inode, dentr... | DoS | 0 | static struct dentry *__lookup_hash(const struct qstr *name,
struct dentry *base, unsigned int flags)
{
struct dentry *dentry = lookup_dcache(name, base, flags);
if (dentry)
return dentry;
dentry = d_alloc(base, name);
if (unlikely(!dentry))
return ERR_PTR(-ENOMEM);
return lookup_real(base->d_inode, dentr... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,880 | int __page_symlink(struct inode *inode, const char *symname, int len, int nofs)
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
void *fsdata;
int err;
unsigned int flags = AOP_FLAG_UNINTERRUPTIBLE;
if (nofs)
flags |= AOP_FLAG_NOFS;
retry:
err = pagecache_write_begin(NULL, mapping, 0, le... | DoS | 0 | int __page_symlink(struct inode *inode, const char *symname, int len, int nofs)
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
void *fsdata;
int err;
unsigned int flags = AOP_FLAG_UNINTERRUPTIBLE;
if (nofs)
flags |= AOP_FLAG_NOFS;
retry:
err = pagecache_write_begin(NULL, mapping, 0, le... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,881 | static int atomic_open(struct nameidata *nd, struct dentry *dentry,
struct path *path, struct file *file,
const struct open_flags *op,
bool got_write, bool need_lookup,
int *opened)
{
struct inode *dir = nd->path.dentry->d_inode;
unsigned open_flag = open_to_namei_flags(op->open_flag);
umode_t mode;
in... | DoS | 0 | static int atomic_open(struct nameidata *nd, struct dentry *dentry,
struct path *path, struct file *file,
const struct open_flags *op,
bool got_write, bool need_lookup,
int *opened)
{
struct inode *dir = nd->path.dentry->d_inode;
unsigned open_flag = open_to_namei_flags(op->open_flag);
umode_t mode;
in... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,882 | struct file *do_file_open_root(struct dentry *dentry, struct vfsmount *mnt,
const char *name, const struct open_flags *op)
{
struct nameidata nd;
struct file *file;
struct filename *filename;
int flags = op->lookup_flags | LOOKUP_ROOT;
nd.root.mnt = mnt;
nd.root.dentry = dentry;
if (d_is_symlink(dentry) && o... | DoS | 0 | struct file *do_file_open_root(struct dentry *dentry, struct vfsmount *mnt,
const char *name, const struct open_flags *op)
{
struct nameidata nd;
struct file *file;
struct filename *filename;
int flags = op->lookup_flags | LOOKUP_ROOT;
nd.root.mnt = mnt;
nd.root.dentry = dentry;
if (d_is_symlink(dentry) && o... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,883 | static int do_last(struct nameidata *nd,
struct file *file, const struct open_flags *op,
int *opened)
{
struct dentry *dir = nd->path.dentry;
int open_flag = op->open_flag;
bool will_truncate = (open_flag & O_TRUNC) != 0;
bool got_write = false;
int acc_mode = op->acc_mode;
unsigned seq;
struct inode *... | DoS | 0 | static int do_last(struct nameidata *nd,
struct file *file, const struct open_flags *op,
int *opened)
{
struct dentry *dir = nd->path.dentry;
int open_flag = op->open_flag;
bool will_truncate = (open_flag & O_TRUNC) != 0;
bool got_write = false;
int acc_mode = op->acc_mode;
unsigned seq;
struct inode *... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,884 | static long do_rmdir(int dfd, const char __user *pathname)
{
int error = 0;
struct filename *name;
struct dentry *dentry;
struct path path;
struct qstr last;
int type;
unsigned int lookup_flags = 0;
retry:
name = user_path_parent(dfd, pathname,
&path, &last, &type, lookup_flags);
if (IS_ERR(name))
return... | DoS | 0 | static long do_rmdir(int dfd, const char __user *pathname)
{
int error = 0;
struct filename *name;
struct dentry *dentry;
struct path path;
struct qstr last;
int type;
unsigned int lookup_flags = 0;
retry:
name = user_path_parent(dfd, pathname,
&path, &last, &type, lookup_flags);
if (IS_ERR(name))
return... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,885 | static int do_tmpfile(struct nameidata *nd, unsigned flags,
const struct open_flags *op,
struct file *file, int *opened)
{
static const struct qstr name = QSTR_INIT("/", 1);
struct dentry *child;
struct inode *dir;
struct path path;
int error = path_lookupat(nd, flags | LOOKUP_DIRECTORY, &path);
if (unlikely(... | DoS | 0 | static int do_tmpfile(struct nameidata *nd, unsigned flags,
const struct open_flags *op,
struct file *file, int *opened)
{
static const struct qstr name = QSTR_INIT("/", 1);
struct dentry *child;
struct inode *dir;
struct path path;
int error = path_lookupat(nd, flags | LOOKUP_DIRECTORY, &path);
if (unlikely(... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,886 | void done_path_create(struct path *path, struct dentry *dentry)
{
dput(dentry);
inode_unlock(path->dentry->d_inode);
mnt_drop_write(path->mnt);
path_put(path);
}
| DoS | 0 | void done_path_create(struct path *path, struct dentry *dentry)
{
dput(dentry);
inode_unlock(path->dentry->d_inode);
mnt_drop_write(path->mnt);
path_put(path);
}
| @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,887 | static struct dentry *filename_create(int dfd, struct filename *name,
struct path *path, unsigned int lookup_flags)
{
struct dentry *dentry = ERR_PTR(-EEXIST);
struct qstr last;
int type;
int err2;
int error;
bool is_dir = (lookup_flags & LOOKUP_DIRECTORY);
/*
* Note that only LOOKUP_REVAL and LOOKUP_DIRE... | DoS | 0 | static struct dentry *filename_create(int dfd, struct filename *name,
struct path *path, unsigned int lookup_flags)
{
struct dentry *dentry = ERR_PTR(-EEXIST);
struct qstr last;
int type;
int err2;
int error;
bool is_dir = (lookup_flags & LOOKUP_DIRECTORY);
/*
* Note that only LOOKUP_REVAL and LOOKUP_DIRE... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,888 | static int follow_dotdot(struct nameidata *nd)
{
while(1) {
struct dentry *old = nd->path.dentry;
if (nd->path.dentry == nd->root.dentry &&
nd->path.mnt == nd->root.mnt) {
break;
}
if (nd->path.dentry != nd->path.mnt->mnt_root) {
/* rare case of legitimate dget_parent()... */
nd->path.dentry = ... | DoS | 0 | static int follow_dotdot(struct nameidata *nd)
{
while(1) {
struct dentry *old = nd->path.dentry;
if (nd->path.dentry == nd->root.dentry &&
nd->path.mnt == nd->root.mnt) {
break;
}
if (nd->path.dentry != nd->path.mnt->mnt_root) {
/* rare case of legitimate dget_parent()... */
nd->path.dentry = ... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,889 | static int follow_dotdot_rcu(struct nameidata *nd)
{
struct inode *inode = nd->inode;
while (1) {
if (path_equal(&nd->path, &nd->root))
break;
if (nd->path.dentry != nd->path.mnt->mnt_root) {
struct dentry *old = nd->path.dentry;
struct dentry *parent = old->d_parent;
unsigned seq;
inode = parent... | DoS | 0 | static int follow_dotdot_rcu(struct nameidata *nd)
{
struct inode *inode = nd->inode;
while (1) {
if (path_equal(&nd->path, &nd->root))
break;
if (nd->path.dentry != nd->path.mnt->mnt_root) {
struct dentry *old = nd->path.dentry;
struct dentry *parent = old->d_parent;
unsigned seq;
inode = parent... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,890 | static int follow_managed(struct path *path, struct nameidata *nd)
{
struct vfsmount *mnt = path->mnt; /* held by caller, must be left alone */
unsigned managed;
bool need_mntput = false;
int ret = 0;
/* Given that we're not holding a lock here, we retain the value in a
* local variable for each dentry as we lo... | DoS | 0 | static int follow_managed(struct path *path, struct nameidata *nd)
{
struct vfsmount *mnt = path->mnt; /* held by caller, must be left alone */
unsigned managed;
bool need_mntput = false;
int ret = 0;
/* Given that we're not holding a lock here, we retain the value in a
* local variable for each dentry as we lo... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,891 | int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen)
{
DEFINE_DELAYED_CALL(done);
struct inode *inode = d_inode(dentry);
const char *link = inode->i_link;
int res;
if (!link) {
link = inode->i_op->get_link(dentry, inode, &done);
if (IS_ERR(link))
return PTR_ERR(link);
}
res = read... | DoS | 0 | int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen)
{
DEFINE_DELAYED_CALL(done);
struct inode *inode = d_inode(dentry);
const char *link = inode->i_link;
int res;
if (!link) {
link = inode->i_op->get_link(dentry, inode, &done);
if (IS_ERR(link))
return PTR_ERR(link);
}
res = read... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,892 | const char *get_link(struct nameidata *nd)
{
struct saved *last = nd->stack + nd->depth - 1;
struct dentry *dentry = last->link.dentry;
struct inode *inode = nd->link_inode;
int error;
const char *res;
if (!(nd->flags & LOOKUP_RCU)) {
touch_atime(&last->link);
cond_resched();
} else if (atime_needs_update(&... | DoS | 0 | const char *get_link(struct nameidata *nd)
{
struct saved *last = nd->stack + nd->depth - 1;
struct dentry *dentry = last->link.dentry;
struct inode *inode = nd->link_inode;
int error;
const char *res;
if (!(nd->flags & LOOKUP_RCU)) {
touch_atime(&last->link);
cond_resched();
} else if (atime_needs_update(&... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,893 | static inline int handle_dots(struct nameidata *nd, int type)
{
if (type == LAST_DOTDOT) {
if (!nd->root.mnt)
set_root(nd);
if (nd->flags & LOOKUP_RCU) {
return follow_dotdot_rcu(nd);
} else
return follow_dotdot(nd);
}
return 0;
}
| DoS | 0 | static inline int handle_dots(struct nameidata *nd, int type)
{
if (type == LAST_DOTDOT) {
if (!nd->root.mnt)
set_root(nd);
if (nd->flags & LOOKUP_RCU) {
return follow_dotdot_rcu(nd);
} else
return follow_dotdot(nd);
}
return 0;
}
| @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,894 | struct dentry *kern_path_locked(const char *name, struct path *path)
{
struct filename *filename;
struct dentry *d;
struct qstr last;
int type;
filename = filename_parentat(AT_FDCWD, getname_kernel(name), 0, path,
&last, &type);
if (IS_ERR(filename))
return ERR_CAST(filename);
if (unlikely(type != LAS... | DoS | 0 | struct dentry *kern_path_locked(const char *name, struct path *path)
{
struct filename *filename;
struct dentry *d;
struct qstr last;
int type;
filename = filename_parentat(AT_FDCWD, getname_kernel(name), 0, path,
&last, &type);
if (IS_ERR(filename))
return ERR_CAST(filename);
if (unlikely(type != LAS... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,895 | static int link_path_walk(const char *name, struct nameidata *nd)
{
int err;
while (*name=='/')
name++;
if (!*name)
return 0;
/* At this point we know we have a real path component. */
for(;;) {
u64 hash_len;
int type;
err = may_lookup(nd);
if (err)
return err;
hash_len = hash_name(name);
... | DoS | 0 | static int link_path_walk(const char *name, struct nameidata *nd)
{
int err;
while (*name=='/')
name++;
if (!*name)
return 0;
/* At this point we know we have a real path component. */
for(;;) {
u64 hash_len;
int type;
err = may_lookup(nd);
if (err)
return err;
hash_len = hash_name(name);
... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,896 | static struct dentry *lookup_dcache(const struct qstr *name,
struct dentry *dir,
unsigned int flags)
{
struct dentry *dentry;
int error;
dentry = d_lookup(dir, name);
if (dentry) {
if (dentry->d_flags & DCACHE_OP_REVALIDATE) {
error = d_revalidate(dentry, flags);
if (unlikely(error <= 0)) {... | DoS | 0 | static struct dentry *lookup_dcache(const struct qstr *name,
struct dentry *dir,
unsigned int flags)
{
struct dentry *dentry;
int error;
dentry = d_lookup(dir, name);
if (dentry) {
if (dentry->d_flags & DCACHE_OP_REVALIDATE) {
error = d_revalidate(dentry, flags);
if (unlikely(error <= 0)) {... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,897 | struct dentry *lookup_one_len(const char *name, struct dentry *base, int len)
{
struct qstr this;
unsigned int c;
int err;
WARN_ON_ONCE(!inode_is_locked(base->d_inode));
this.name = name;
this.len = len;
this.hash = full_name_hash(name, len);
if (!len)
return ERR_PTR(-EACCES);
if (unlikely(name[0] == '.')... | DoS | 0 | struct dentry *lookup_one_len(const char *name, struct dentry *base, int len)
{
struct qstr this;
unsigned int c;
int err;
WARN_ON_ONCE(!inode_is_locked(base->d_inode));
this.name = name;
this.len = len;
this.hash = full_name_hash(name, len);
if (!len)
return ERR_PTR(-EACCES);
if (unlikely(name[0] == '.')... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,898 | struct dentry *lookup_one_len_unlocked(const char *name,
struct dentry *base, int len)
{
struct qstr this;
unsigned int c;
int err;
struct dentry *ret;
this.name = name;
this.len = len;
this.hash = full_name_hash(name, len);
if (!len)
return ERR_PTR(-EACCES);
if (unlikely(name[0] == '.')) {
if... | DoS | 0 | struct dentry *lookup_one_len_unlocked(const char *name,
struct dentry *base, int len)
{
struct qstr this;
unsigned int c;
int err;
struct dentry *ret;
this.name = name;
this.len = len;
this.hash = full_name_hash(name, len);
if (!len)
return ERR_PTR(-EACCES);
if (unlikely(name[0] == '.')) {
if... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
40,899 | static struct dentry *lookup_slow(const struct qstr *name,
struct dentry *dir,
unsigned int flags)
{
struct dentry *dentry;
inode_lock(dir->d_inode);
dentry = d_lookup(dir, name);
if (unlikely(dentry)) {
if ((dentry->d_flags & DCACHE_OP_REVALIDATE) &&
!(flags & LOOKUP_NO_REVAL)) {
int error =... | DoS | 0 | static struct dentry *lookup_slow(const struct qstr *name,
struct dentry *dir,
unsigned int flags)
{
struct dentry *dentry;
inode_lock(dir->d_inode);
dentry = d_lookup(dir, name);
if (unlikely(dentry)) {
if ((dentry->d_flags & DCACHE_OP_REVALIDATE) &&
!(flags & LOOKUP_NO_REVAL)) {
int error =... | @@ -4213,7 +4213,11 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
bool new_is_dir = false;
unsigned max_links = new_dir->i_sb->s_max_links;
- if (source == target)
+ /*
+ * Check source == target.
+ * On overlayfs need to look at underlying inodes.
+ */
+ if (vfs_select_inode(old_dentry, ... | CWE-284 | null | null |
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