idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
22,700 | static int __net_init ping_v4_proc_init_net(struct net *net)
{
return ping_proc_register(net, &ping_v4_seq_afinfo);
}
| DoS | 0 | static int __net_init ping_v4_proc_init_net(struct net *net)
{
return ping_proc_register(net, &ping_v4_seq_afinfo);
}
| @@ -870,11 +870,13 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (family == AF_INET) {
struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
- sin->sin_family = AF_INET;
- sin->sin_port = 0 /* skb->h.uh->source */;
- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
- memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
- *addr_len = sizeof(*sin);
+ if (sin) {
+ sin->sin_family = AF_INET;
+ sin->sin_port = 0 /* skb->h.uh->source */;
+ sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
+ memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ *addr_len = sizeof(*sin);
+ }
if (isk->cmsg_flags)
ip_cmsg_recv(msg, skb);
@@ -886,16 +888,18 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
struct sockaddr_in6 *sin6 =
(struct sockaddr_in6 *)msg->msg_name;
- sin6->sin6_family = AF_INET6;
- sin6->sin6_port = 0;
- sin6->sin6_addr = ip6->saddr;
- sin6->sin6_flowinfo = 0;
- if (np->sndflow)
- sin6->sin6_flowinfo = ip6_flowinfo(ip6);
-
- sin6->sin6_scope_id = ipv6_iface_scope_id(&sin6->sin6_addr,
- IP6CB(skb)->iif);
- *addr_len = sizeof(*sin6);
+ if (sin6) {
+ sin6->sin6_family = AF_INET6;
+ sin6->sin6_port = 0;
+ sin6->sin6_addr = ip6->saddr;
+ sin6->sin6_flowinfo = 0;
+ if (np->sndflow)
+ sin6->sin6_flowinfo = ip6_flowinfo(ip6);
+ sin6->sin6_scope_id =
+ ipv6_iface_scope_id(&sin6->sin6_addr,
+ IP6CB(skb)->iif);
+ *addr_len = sizeof(*sin6);
+ }
if (inet6_sk(sk)->rxopt.all)
pingv6_ops.ip6_datagram_recv_ctl(sk, msg, skb); | null | null | null |
22,701 | int ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
size_t len)
{
struct net *net = sock_net(sk);
struct flowi4 fl4;
struct inet_sock *inet = inet_sk(sk);
struct ipcm_cookie ipc;
struct icmphdr user_icmph;
struct pingfakehdr pfh;
struct rtable *rt = NULL;
struct ip_options_data opt_copy;
int free = 0;
__be32 saddr, daddr, faddr;
u8 tos;
int err;
pr_debug("ping_v4_sendmsg(sk=%p,sk->num=%u)\n", inet, inet->inet_num);
err = ping_common_sendmsg(AF_INET, msg, len, &user_icmph,
sizeof(user_icmph));
if (err)
return err;
/*
* Get and verify the address.
*/
if (msg->msg_name) {
struct sockaddr_in *usin = (struct sockaddr_in *)msg->msg_name;
if (msg->msg_namelen < sizeof(*usin))
return -EINVAL;
if (usin->sin_family != AF_INET)
return -EINVAL;
daddr = usin->sin_addr.s_addr;
/* no remote port */
} else {
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
daddr = inet->inet_daddr;
/* no remote port */
}
ipc.addr = inet->inet_saddr;
ipc.opt = NULL;
ipc.oif = sk->sk_bound_dev_if;
ipc.tx_flags = 0;
ipc.ttl = 0;
ipc.tos = -1;
sock_tx_timestamp(sk, &ipc.tx_flags);
if (msg->msg_controllen) {
err = ip_cmsg_send(sock_net(sk), msg, &ipc);
if (err)
return err;
if (ipc.opt)
free = 1;
}
if (!ipc.opt) {
struct ip_options_rcu *inet_opt;
rcu_read_lock();
inet_opt = rcu_dereference(inet->inet_opt);
if (inet_opt) {
memcpy(&opt_copy, inet_opt,
sizeof(*inet_opt) + inet_opt->opt.optlen);
ipc.opt = &opt_copy.opt;
}
rcu_read_unlock();
}
saddr = ipc.addr;
ipc.addr = faddr = daddr;
if (ipc.opt && ipc.opt->opt.srr) {
if (!daddr)
return -EINVAL;
faddr = ipc.opt->opt.faddr;
}
tos = get_rttos(&ipc, inet);
if (sock_flag(sk, SOCK_LOCALROUTE) ||
(msg->msg_flags & MSG_DONTROUTE) ||
(ipc.opt && ipc.opt->opt.is_strictroute)) {
tos |= RTO_ONLINK;
}
if (ipv4_is_multicast(daddr)) {
if (!ipc.oif)
ipc.oif = inet->mc_index;
if (!saddr)
saddr = inet->mc_addr;
} else if (!ipc.oif)
ipc.oif = inet->uc_index;
flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos,
RT_SCOPE_UNIVERSE, sk->sk_protocol,
inet_sk_flowi_flags(sk), faddr, saddr, 0, 0);
security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
rt = ip_route_output_flow(net, &fl4, sk);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
rt = NULL;
if (err == -ENETUNREACH)
IP_INC_STATS_BH(net, IPSTATS_MIB_OUTNOROUTES);
goto out;
}
err = -EACCES;
if ((rt->rt_flags & RTCF_BROADCAST) &&
!sock_flag(sk, SOCK_BROADCAST))
goto out;
if (msg->msg_flags & MSG_CONFIRM)
goto do_confirm;
back_from_confirm:
if (!ipc.addr)
ipc.addr = fl4.daddr;
lock_sock(sk);
pfh.icmph.type = user_icmph.type; /* already checked */
pfh.icmph.code = user_icmph.code; /* ditto */
pfh.icmph.checksum = 0;
pfh.icmph.un.echo.id = inet->inet_sport;
pfh.icmph.un.echo.sequence = user_icmph.un.echo.sequence;
pfh.iov = msg->msg_iov;
pfh.wcheck = 0;
pfh.family = AF_INET;
err = ip_append_data(sk, &fl4, ping_getfrag, &pfh, len,
0, &ipc, &rt, msg->msg_flags);
if (err)
ip_flush_pending_frames(sk);
else
err = ping_v4_push_pending_frames(sk, &pfh, &fl4);
release_sock(sk);
out:
ip_rt_put(rt);
if (free)
kfree(ipc.opt);
if (!err) {
icmp_out_count(sock_net(sk), user_icmph.type);
return len;
}
return err;
do_confirm:
dst_confirm(&rt->dst);
if (!(msg->msg_flags & MSG_PROBE) || len)
goto back_from_confirm;
err = 0;
goto out;
}
| DoS | 0 | int ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
size_t len)
{
struct net *net = sock_net(sk);
struct flowi4 fl4;
struct inet_sock *inet = inet_sk(sk);
struct ipcm_cookie ipc;
struct icmphdr user_icmph;
struct pingfakehdr pfh;
struct rtable *rt = NULL;
struct ip_options_data opt_copy;
int free = 0;
__be32 saddr, daddr, faddr;
u8 tos;
int err;
pr_debug("ping_v4_sendmsg(sk=%p,sk->num=%u)\n", inet, inet->inet_num);
err = ping_common_sendmsg(AF_INET, msg, len, &user_icmph,
sizeof(user_icmph));
if (err)
return err;
/*
* Get and verify the address.
*/
if (msg->msg_name) {
struct sockaddr_in *usin = (struct sockaddr_in *)msg->msg_name;
if (msg->msg_namelen < sizeof(*usin))
return -EINVAL;
if (usin->sin_family != AF_INET)
return -EINVAL;
daddr = usin->sin_addr.s_addr;
/* no remote port */
} else {
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
daddr = inet->inet_daddr;
/* no remote port */
}
ipc.addr = inet->inet_saddr;
ipc.opt = NULL;
ipc.oif = sk->sk_bound_dev_if;
ipc.tx_flags = 0;
ipc.ttl = 0;
ipc.tos = -1;
sock_tx_timestamp(sk, &ipc.tx_flags);
if (msg->msg_controllen) {
err = ip_cmsg_send(sock_net(sk), msg, &ipc);
if (err)
return err;
if (ipc.opt)
free = 1;
}
if (!ipc.opt) {
struct ip_options_rcu *inet_opt;
rcu_read_lock();
inet_opt = rcu_dereference(inet->inet_opt);
if (inet_opt) {
memcpy(&opt_copy, inet_opt,
sizeof(*inet_opt) + inet_opt->opt.optlen);
ipc.opt = &opt_copy.opt;
}
rcu_read_unlock();
}
saddr = ipc.addr;
ipc.addr = faddr = daddr;
if (ipc.opt && ipc.opt->opt.srr) {
if (!daddr)
return -EINVAL;
faddr = ipc.opt->opt.faddr;
}
tos = get_rttos(&ipc, inet);
if (sock_flag(sk, SOCK_LOCALROUTE) ||
(msg->msg_flags & MSG_DONTROUTE) ||
(ipc.opt && ipc.opt->opt.is_strictroute)) {
tos |= RTO_ONLINK;
}
if (ipv4_is_multicast(daddr)) {
if (!ipc.oif)
ipc.oif = inet->mc_index;
if (!saddr)
saddr = inet->mc_addr;
} else if (!ipc.oif)
ipc.oif = inet->uc_index;
flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos,
RT_SCOPE_UNIVERSE, sk->sk_protocol,
inet_sk_flowi_flags(sk), faddr, saddr, 0, 0);
security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
rt = ip_route_output_flow(net, &fl4, sk);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
rt = NULL;
if (err == -ENETUNREACH)
IP_INC_STATS_BH(net, IPSTATS_MIB_OUTNOROUTES);
goto out;
}
err = -EACCES;
if ((rt->rt_flags & RTCF_BROADCAST) &&
!sock_flag(sk, SOCK_BROADCAST))
goto out;
if (msg->msg_flags & MSG_CONFIRM)
goto do_confirm;
back_from_confirm:
if (!ipc.addr)
ipc.addr = fl4.daddr;
lock_sock(sk);
pfh.icmph.type = user_icmph.type; /* already checked */
pfh.icmph.code = user_icmph.code; /* ditto */
pfh.icmph.checksum = 0;
pfh.icmph.un.echo.id = inet->inet_sport;
pfh.icmph.un.echo.sequence = user_icmph.un.echo.sequence;
pfh.iov = msg->msg_iov;
pfh.wcheck = 0;
pfh.family = AF_INET;
err = ip_append_data(sk, &fl4, ping_getfrag, &pfh, len,
0, &ipc, &rt, msg->msg_flags);
if (err)
ip_flush_pending_frames(sk);
else
err = ping_v4_push_pending_frames(sk, &pfh, &fl4);
release_sock(sk);
out:
ip_rt_put(rt);
if (free)
kfree(ipc.opt);
if (!err) {
icmp_out_count(sock_net(sk), user_icmph.type);
return len;
}
return err;
do_confirm:
dst_confirm(&rt->dst);
if (!(msg->msg_flags & MSG_PROBE) || len)
goto back_from_confirm;
err = 0;
goto out;
}
| @@ -870,11 +870,13 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (family == AF_INET) {
struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
- sin->sin_family = AF_INET;
- sin->sin_port = 0 /* skb->h.uh->source */;
- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
- memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
- *addr_len = sizeof(*sin);
+ if (sin) {
+ sin->sin_family = AF_INET;
+ sin->sin_port = 0 /* skb->h.uh->source */;
+ sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
+ memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ *addr_len = sizeof(*sin);
+ }
if (isk->cmsg_flags)
ip_cmsg_recv(msg, skb);
@@ -886,16 +888,18 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
struct sockaddr_in6 *sin6 =
(struct sockaddr_in6 *)msg->msg_name;
- sin6->sin6_family = AF_INET6;
- sin6->sin6_port = 0;
- sin6->sin6_addr = ip6->saddr;
- sin6->sin6_flowinfo = 0;
- if (np->sndflow)
- sin6->sin6_flowinfo = ip6_flowinfo(ip6);
-
- sin6->sin6_scope_id = ipv6_iface_scope_id(&sin6->sin6_addr,
- IP6CB(skb)->iif);
- *addr_len = sizeof(*sin6);
+ if (sin6) {
+ sin6->sin6_family = AF_INET6;
+ sin6->sin6_port = 0;
+ sin6->sin6_addr = ip6->saddr;
+ sin6->sin6_flowinfo = 0;
+ if (np->sndflow)
+ sin6->sin6_flowinfo = ip6_flowinfo(ip6);
+ sin6->sin6_scope_id =
+ ipv6_iface_scope_id(&sin6->sin6_addr,
+ IP6CB(skb)->iif);
+ *addr_len = sizeof(*sin6);
+ }
if (inet6_sk(sk)->rxopt.all)
pingv6_ops.ip6_datagram_recv_ctl(sk, msg, skb); | null | null | null |
22,702 | static int ping_v4_seq_show(struct seq_file *seq, void *v)
{
if (v == SEQ_START_TOKEN)
seq_printf(seq, "%-127s\n",
" sl local_address rem_address st tx_queue "
"rx_queue tr tm->when retrnsmt uid timeout "
"inode ref pointer drops");
else {
struct ping_iter_state *state = seq->private;
int len;
ping_v4_format_sock(v, seq, state->bucket, &len);
seq_printf(seq, "%*s\n", 127 - len, "");
}
return 0;
}
| DoS | 0 | static int ping_v4_seq_show(struct seq_file *seq, void *v)
{
if (v == SEQ_START_TOKEN)
seq_printf(seq, "%-127s\n",
" sl local_address rem_address st tx_queue "
"rx_queue tr tm->when retrnsmt uid timeout "
"inode ref pointer drops");
else {
struct ping_iter_state *state = seq->private;
int len;
ping_v4_format_sock(v, seq, state->bucket, &len);
seq_printf(seq, "%*s\n", 127 - len, "");
}
return 0;
}
| @@ -870,11 +870,13 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (family == AF_INET) {
struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
- sin->sin_family = AF_INET;
- sin->sin_port = 0 /* skb->h.uh->source */;
- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
- memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
- *addr_len = sizeof(*sin);
+ if (sin) {
+ sin->sin_family = AF_INET;
+ sin->sin_port = 0 /* skb->h.uh->source */;
+ sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
+ memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ *addr_len = sizeof(*sin);
+ }
if (isk->cmsg_flags)
ip_cmsg_recv(msg, skb);
@@ -886,16 +888,18 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
struct sockaddr_in6 *sin6 =
(struct sockaddr_in6 *)msg->msg_name;
- sin6->sin6_family = AF_INET6;
- sin6->sin6_port = 0;
- sin6->sin6_addr = ip6->saddr;
- sin6->sin6_flowinfo = 0;
- if (np->sndflow)
- sin6->sin6_flowinfo = ip6_flowinfo(ip6);
-
- sin6->sin6_scope_id = ipv6_iface_scope_id(&sin6->sin6_addr,
- IP6CB(skb)->iif);
- *addr_len = sizeof(*sin6);
+ if (sin6) {
+ sin6->sin6_family = AF_INET6;
+ sin6->sin6_port = 0;
+ sin6->sin6_addr = ip6->saddr;
+ sin6->sin6_flowinfo = 0;
+ if (np->sndflow)
+ sin6->sin6_flowinfo = ip6_flowinfo(ip6);
+ sin6->sin6_scope_id =
+ ipv6_iface_scope_id(&sin6->sin6_addr,
+ IP6CB(skb)->iif);
+ *addr_len = sizeof(*sin6);
+ }
if (inet6_sk(sk)->rxopt.all)
pingv6_ops.ip6_datagram_recv_ctl(sk, msg, skb); | null | null | null |
22,703 | static void *ping_v4_seq_start(struct seq_file *seq, loff_t *pos)
{
return ping_seq_start(seq, pos, AF_INET);
}
| DoS | 0 | static void *ping_v4_seq_start(struct seq_file *seq, loff_t *pos)
{
return ping_seq_start(seq, pos, AF_INET);
}
| @@ -870,11 +870,13 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (family == AF_INET) {
struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
- sin->sin_family = AF_INET;
- sin->sin_port = 0 /* skb->h.uh->source */;
- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
- memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
- *addr_len = sizeof(*sin);
+ if (sin) {
+ sin->sin_family = AF_INET;
+ sin->sin_port = 0 /* skb->h.uh->source */;
+ sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
+ memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ *addr_len = sizeof(*sin);
+ }
if (isk->cmsg_flags)
ip_cmsg_recv(msg, skb);
@@ -886,16 +888,18 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
struct sockaddr_in6 *sin6 =
(struct sockaddr_in6 *)msg->msg_name;
- sin6->sin6_family = AF_INET6;
- sin6->sin6_port = 0;
- sin6->sin6_addr = ip6->saddr;
- sin6->sin6_flowinfo = 0;
- if (np->sndflow)
- sin6->sin6_flowinfo = ip6_flowinfo(ip6);
-
- sin6->sin6_scope_id = ipv6_iface_scope_id(&sin6->sin6_addr,
- IP6CB(skb)->iif);
- *addr_len = sizeof(*sin6);
+ if (sin6) {
+ sin6->sin6_family = AF_INET6;
+ sin6->sin6_port = 0;
+ sin6->sin6_addr = ip6->saddr;
+ sin6->sin6_flowinfo = 0;
+ if (np->sndflow)
+ sin6->sin6_flowinfo = ip6_flowinfo(ip6);
+ sin6->sin6_scope_id =
+ ipv6_iface_scope_id(&sin6->sin6_addr,
+ IP6CB(skb)->iif);
+ *addr_len = sizeof(*sin6);
+ }
if (inet6_sk(sk)->rxopt.all)
pingv6_ops.ip6_datagram_recv_ctl(sk, msg, skb); | null | null | null |
22,704 | static __inline__ __be32 addr_bit_set(const void *token, int fn_bit)
{
const __be32 *addr = token;
/*
* Here,
* 1 << ((~fn_bit ^ BITOP_BE32_SWIZZLE) & 0x1f)
* is optimized version of
* htonl(1 << ((~fn_bit)&0x1F))
* See include/asm-generic/bitops/le.h.
*/
return (__force __be32)(1 << ((~fn_bit ^ BITOP_BE32_SWIZZLE) & 0x1f)) &
addr[fn_bit >> 5];
}
| DoS | 0 | static __inline__ __be32 addr_bit_set(const void *token, int fn_bit)
{
const __be32 *addr = token;
/*
* Here,
* 1 << ((~fn_bit ^ BITOP_BE32_SWIZZLE) & 0x1f)
* is optimized version of
* htonl(1 << ((~fn_bit)&0x1F))
* See include/asm-generic/bitops/le.h.
*/
return (__force __be32)(1 << ((~fn_bit ^ BITOP_BE32_SWIZZLE) & 0x1f)) &
addr[fn_bit >> 5];
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,705 | static struct fib6_node *fib6_add_1(struct fib6_node *root,
struct in6_addr *addr, int plen,
int offset, int allow_create,
int replace_required)
{
struct fib6_node *fn, *in, *ln;
struct fib6_node *pn = NULL;
struct rt6key *key;
int bit;
__be32 dir = 0;
__u32 sernum = fib6_new_sernum();
RT6_TRACE("fib6_add_1\n");
/* insert node in tree */
fn = root;
do {
key = (struct rt6key *)((u8 *)fn->leaf + offset);
/*
* Prefix match
*/
if (plen < fn->fn_bit ||
!ipv6_prefix_equal(&key->addr, addr, fn->fn_bit)) {
if (!allow_create) {
if (replace_required) {
pr_warn("Can't replace route, no match found\n");
return ERR_PTR(-ENOENT);
}
pr_warn("NLM_F_CREATE should be set when creating new route\n");
}
goto insert_above;
}
/*
* Exact match ?
*/
if (plen == fn->fn_bit) {
/* clean up an intermediate node */
if (!(fn->fn_flags & RTN_RTINFO)) {
rt6_release(fn->leaf);
fn->leaf = NULL;
}
fn->fn_sernum = sernum;
return fn;
}
/*
* We have more bits to go
*/
/* Try to walk down on tree. */
fn->fn_sernum = sernum;
dir = addr_bit_set(addr, fn->fn_bit);
pn = fn;
fn = dir ? fn->right: fn->left;
} while (fn);
if (!allow_create) {
/* We should not create new node because
* NLM_F_REPLACE was specified without NLM_F_CREATE
* I assume it is safe to require NLM_F_CREATE when
* REPLACE flag is used! Later we may want to remove the
* check for replace_required, because according
* to netlink specification, NLM_F_CREATE
* MUST be specified if new route is created.
* That would keep IPv6 consistent with IPv4
*/
if (replace_required) {
pr_warn("Can't replace route, no match found\n");
return ERR_PTR(-ENOENT);
}
pr_warn("NLM_F_CREATE should be set when creating new route\n");
}
/*
* We walked to the bottom of tree.
* Create new leaf node without children.
*/
ln = node_alloc();
if (!ln)
return ERR_PTR(-ENOMEM);
ln->fn_bit = plen;
ln->parent = pn;
ln->fn_sernum = sernum;
if (dir)
pn->right = ln;
else
pn->left = ln;
return ln;
insert_above:
/*
* split since we don't have a common prefix anymore or
* we have a less significant route.
* we've to insert an intermediate node on the list
* this new node will point to the one we need to create
* and the current
*/
pn = fn->parent;
/* find 1st bit in difference between the 2 addrs.
See comment in __ipv6_addr_diff: bit may be an invalid value,
but if it is >= plen, the value is ignored in any case.
*/
bit = __ipv6_addr_diff(addr, &key->addr, sizeof(*addr));
/*
* (intermediate)[in]
* / \
* (new leaf node)[ln] (old node)[fn]
*/
if (plen > bit) {
in = node_alloc();
ln = node_alloc();
if (!in || !ln) {
if (in)
node_free(in);
if (ln)
node_free(ln);
return ERR_PTR(-ENOMEM);
}
/*
* new intermediate node.
* RTN_RTINFO will
* be off since that an address that chooses one of
* the branches would not match less specific routes
* in the other branch
*/
in->fn_bit = bit;
in->parent = pn;
in->leaf = fn->leaf;
atomic_inc(&in->leaf->rt6i_ref);
in->fn_sernum = sernum;
/* update parent pointer */
if (dir)
pn->right = in;
else
pn->left = in;
ln->fn_bit = plen;
ln->parent = in;
fn->parent = in;
ln->fn_sernum = sernum;
if (addr_bit_set(addr, bit)) {
in->right = ln;
in->left = fn;
} else {
in->left = ln;
in->right = fn;
}
} else { /* plen <= bit */
/*
* (new leaf node)[ln]
* / \
* (old node)[fn] NULL
*/
ln = node_alloc();
if (!ln)
return ERR_PTR(-ENOMEM);
ln->fn_bit = plen;
ln->parent = pn;
ln->fn_sernum = sernum;
if (dir)
pn->right = ln;
else
pn->left = ln;
if (addr_bit_set(&key->addr, plen))
ln->right = fn;
else
ln->left = fn;
fn->parent = ln;
}
return ln;
}
| DoS | 0 | static struct fib6_node *fib6_add_1(struct fib6_node *root,
struct in6_addr *addr, int plen,
int offset, int allow_create,
int replace_required)
{
struct fib6_node *fn, *in, *ln;
struct fib6_node *pn = NULL;
struct rt6key *key;
int bit;
__be32 dir = 0;
__u32 sernum = fib6_new_sernum();
RT6_TRACE("fib6_add_1\n");
/* insert node in tree */
fn = root;
do {
key = (struct rt6key *)((u8 *)fn->leaf + offset);
/*
* Prefix match
*/
if (plen < fn->fn_bit ||
!ipv6_prefix_equal(&key->addr, addr, fn->fn_bit)) {
if (!allow_create) {
if (replace_required) {
pr_warn("Can't replace route, no match found\n");
return ERR_PTR(-ENOENT);
}
pr_warn("NLM_F_CREATE should be set when creating new route\n");
}
goto insert_above;
}
/*
* Exact match ?
*/
if (plen == fn->fn_bit) {
/* clean up an intermediate node */
if (!(fn->fn_flags & RTN_RTINFO)) {
rt6_release(fn->leaf);
fn->leaf = NULL;
}
fn->fn_sernum = sernum;
return fn;
}
/*
* We have more bits to go
*/
/* Try to walk down on tree. */
fn->fn_sernum = sernum;
dir = addr_bit_set(addr, fn->fn_bit);
pn = fn;
fn = dir ? fn->right: fn->left;
} while (fn);
if (!allow_create) {
/* We should not create new node because
* NLM_F_REPLACE was specified without NLM_F_CREATE
* I assume it is safe to require NLM_F_CREATE when
* REPLACE flag is used! Later we may want to remove the
* check for replace_required, because according
* to netlink specification, NLM_F_CREATE
* MUST be specified if new route is created.
* That would keep IPv6 consistent with IPv4
*/
if (replace_required) {
pr_warn("Can't replace route, no match found\n");
return ERR_PTR(-ENOENT);
}
pr_warn("NLM_F_CREATE should be set when creating new route\n");
}
/*
* We walked to the bottom of tree.
* Create new leaf node without children.
*/
ln = node_alloc();
if (!ln)
return ERR_PTR(-ENOMEM);
ln->fn_bit = plen;
ln->parent = pn;
ln->fn_sernum = sernum;
if (dir)
pn->right = ln;
else
pn->left = ln;
return ln;
insert_above:
/*
* split since we don't have a common prefix anymore or
* we have a less significant route.
* we've to insert an intermediate node on the list
* this new node will point to the one we need to create
* and the current
*/
pn = fn->parent;
/* find 1st bit in difference between the 2 addrs.
See comment in __ipv6_addr_diff: bit may be an invalid value,
but if it is >= plen, the value is ignored in any case.
*/
bit = __ipv6_addr_diff(addr, &key->addr, sizeof(*addr));
/*
* (intermediate)[in]
* / \
* (new leaf node)[ln] (old node)[fn]
*/
if (plen > bit) {
in = node_alloc();
ln = node_alloc();
if (!in || !ln) {
if (in)
node_free(in);
if (ln)
node_free(ln);
return ERR_PTR(-ENOMEM);
}
/*
* new intermediate node.
* RTN_RTINFO will
* be off since that an address that chooses one of
* the branches would not match less specific routes
* in the other branch
*/
in->fn_bit = bit;
in->parent = pn;
in->leaf = fn->leaf;
atomic_inc(&in->leaf->rt6i_ref);
in->fn_sernum = sernum;
/* update parent pointer */
if (dir)
pn->right = in;
else
pn->left = in;
ln->fn_bit = plen;
ln->parent = in;
fn->parent = in;
ln->fn_sernum = sernum;
if (addr_bit_set(addr, bit)) {
in->right = ln;
in->left = fn;
} else {
in->left = ln;
in->right = fn;
}
} else { /* plen <= bit */
/*
* (new leaf node)[ln]
* / \
* (old node)[fn] NULL
*/
ln = node_alloc();
if (!ln)
return ERR_PTR(-ENOMEM);
ln->fn_bit = plen;
ln->parent = pn;
ln->fn_sernum = sernum;
if (dir)
pn->right = ln;
else
pn->left = ln;
if (addr_bit_set(&key->addr, plen))
ln->right = fn;
else
ln->left = fn;
fn->parent = ln;
}
return ln;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,706 | static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
struct nl_info *info)
{
struct rt6_info *iter = NULL;
struct rt6_info **ins;
int replace = (info->nlh &&
(info->nlh->nlmsg_flags & NLM_F_REPLACE));
int add = (!info->nlh ||
(info->nlh->nlmsg_flags & NLM_F_CREATE));
int found = 0;
bool rt_can_ecmp = rt6_qualify_for_ecmp(rt);
ins = &fn->leaf;
for (iter = fn->leaf; iter; iter = iter->dst.rt6_next) {
/*
* Search for duplicates
*/
if (iter->rt6i_metric == rt->rt6i_metric) {
/*
* Same priority level
*/
if (info->nlh &&
(info->nlh->nlmsg_flags & NLM_F_EXCL))
return -EEXIST;
if (replace) {
found++;
break;
}
if (iter->dst.dev == rt->dst.dev &&
iter->rt6i_idev == rt->rt6i_idev &&
ipv6_addr_equal(&iter->rt6i_gateway,
&rt->rt6i_gateway)) {
if (rt->rt6i_nsiblings)
rt->rt6i_nsiblings = 0;
if (!(iter->rt6i_flags & RTF_EXPIRES))
return -EEXIST;
if (!(rt->rt6i_flags & RTF_EXPIRES))
rt6_clean_expires(iter);
else
rt6_set_expires(iter, rt->dst.expires);
return -EEXIST;
}
/* If we have the same destination and the same metric,
* but not the same gateway, then the route we try to
* add is sibling to this route, increment our counter
* of siblings, and later we will add our route to the
* list.
* Only static routes (which don't have flag
* RTF_EXPIRES) are used for ECMPv6.
*
* To avoid long list, we only had siblings if the
* route have a gateway.
*/
if (rt_can_ecmp &&
rt6_qualify_for_ecmp(iter))
rt->rt6i_nsiblings++;
}
if (iter->rt6i_metric > rt->rt6i_metric)
break;
ins = &iter->dst.rt6_next;
}
/* Reset round-robin state, if necessary */
if (ins == &fn->leaf)
fn->rr_ptr = NULL;
/* Link this route to others same route. */
if (rt->rt6i_nsiblings) {
unsigned int rt6i_nsiblings;
struct rt6_info *sibling, *temp_sibling;
/* Find the first route that have the same metric */
sibling = fn->leaf;
while (sibling) {
if (sibling->rt6i_metric == rt->rt6i_metric &&
rt6_qualify_for_ecmp(sibling)) {
list_add_tail(&rt->rt6i_siblings,
&sibling->rt6i_siblings);
break;
}
sibling = sibling->dst.rt6_next;
}
/* For each sibling in the list, increment the counter of
* siblings. BUG() if counters does not match, list of siblings
* is broken!
*/
rt6i_nsiblings = 0;
list_for_each_entry_safe(sibling, temp_sibling,
&rt->rt6i_siblings, rt6i_siblings) {
sibling->rt6i_nsiblings++;
BUG_ON(sibling->rt6i_nsiblings != rt->rt6i_nsiblings);
rt6i_nsiblings++;
}
BUG_ON(rt6i_nsiblings != rt->rt6i_nsiblings);
}
/*
* insert node
*/
if (!replace) {
if (!add)
pr_warn("NLM_F_CREATE should be set when creating new route\n");
add:
rt->dst.rt6_next = iter;
*ins = rt;
rt->rt6i_node = fn;
atomic_inc(&rt->rt6i_ref);
inet6_rt_notify(RTM_NEWROUTE, rt, info);
info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
if (!(fn->fn_flags & RTN_RTINFO)) {
info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
fn->fn_flags |= RTN_RTINFO;
}
} else {
if (!found) {
if (add)
goto add;
pr_warn("NLM_F_REPLACE set, but no existing node found!\n");
return -ENOENT;
}
*ins = rt;
rt->rt6i_node = fn;
rt->dst.rt6_next = iter->dst.rt6_next;
atomic_inc(&rt->rt6i_ref);
inet6_rt_notify(RTM_NEWROUTE, rt, info);
rt6_release(iter);
if (!(fn->fn_flags & RTN_RTINFO)) {
info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
fn->fn_flags |= RTN_RTINFO;
}
}
return 0;
}
| DoS | 0 | static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
struct nl_info *info)
{
struct rt6_info *iter = NULL;
struct rt6_info **ins;
int replace = (info->nlh &&
(info->nlh->nlmsg_flags & NLM_F_REPLACE));
int add = (!info->nlh ||
(info->nlh->nlmsg_flags & NLM_F_CREATE));
int found = 0;
bool rt_can_ecmp = rt6_qualify_for_ecmp(rt);
ins = &fn->leaf;
for (iter = fn->leaf; iter; iter = iter->dst.rt6_next) {
/*
* Search for duplicates
*/
if (iter->rt6i_metric == rt->rt6i_metric) {
/*
* Same priority level
*/
if (info->nlh &&
(info->nlh->nlmsg_flags & NLM_F_EXCL))
return -EEXIST;
if (replace) {
found++;
break;
}
if (iter->dst.dev == rt->dst.dev &&
iter->rt6i_idev == rt->rt6i_idev &&
ipv6_addr_equal(&iter->rt6i_gateway,
&rt->rt6i_gateway)) {
if (rt->rt6i_nsiblings)
rt->rt6i_nsiblings = 0;
if (!(iter->rt6i_flags & RTF_EXPIRES))
return -EEXIST;
if (!(rt->rt6i_flags & RTF_EXPIRES))
rt6_clean_expires(iter);
else
rt6_set_expires(iter, rt->dst.expires);
return -EEXIST;
}
/* If we have the same destination and the same metric,
* but not the same gateway, then the route we try to
* add is sibling to this route, increment our counter
* of siblings, and later we will add our route to the
* list.
* Only static routes (which don't have flag
* RTF_EXPIRES) are used for ECMPv6.
*
* To avoid long list, we only had siblings if the
* route have a gateway.
*/
if (rt_can_ecmp &&
rt6_qualify_for_ecmp(iter))
rt->rt6i_nsiblings++;
}
if (iter->rt6i_metric > rt->rt6i_metric)
break;
ins = &iter->dst.rt6_next;
}
/* Reset round-robin state, if necessary */
if (ins == &fn->leaf)
fn->rr_ptr = NULL;
/* Link this route to others same route. */
if (rt->rt6i_nsiblings) {
unsigned int rt6i_nsiblings;
struct rt6_info *sibling, *temp_sibling;
/* Find the first route that have the same metric */
sibling = fn->leaf;
while (sibling) {
if (sibling->rt6i_metric == rt->rt6i_metric &&
rt6_qualify_for_ecmp(sibling)) {
list_add_tail(&rt->rt6i_siblings,
&sibling->rt6i_siblings);
break;
}
sibling = sibling->dst.rt6_next;
}
/* For each sibling in the list, increment the counter of
* siblings. BUG() if counters does not match, list of siblings
* is broken!
*/
rt6i_nsiblings = 0;
list_for_each_entry_safe(sibling, temp_sibling,
&rt->rt6i_siblings, rt6i_siblings) {
sibling->rt6i_nsiblings++;
BUG_ON(sibling->rt6i_nsiblings != rt->rt6i_nsiblings);
rt6i_nsiblings++;
}
BUG_ON(rt6i_nsiblings != rt->rt6i_nsiblings);
}
/*
* insert node
*/
if (!replace) {
if (!add)
pr_warn("NLM_F_CREATE should be set when creating new route\n");
add:
rt->dst.rt6_next = iter;
*ins = rt;
rt->rt6i_node = fn;
atomic_inc(&rt->rt6i_ref);
inet6_rt_notify(RTM_NEWROUTE, rt, info);
info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
if (!(fn->fn_flags & RTN_RTINFO)) {
info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
fn->fn_flags |= RTN_RTINFO;
}
} else {
if (!found) {
if (add)
goto add;
pr_warn("NLM_F_REPLACE set, but no existing node found!\n");
return -ENOENT;
}
*ins = rt;
rt->rt6i_node = fn;
rt->dst.rt6_next = iter->dst.rt6_next;
atomic_inc(&rt->rt6i_ref);
inet6_rt_notify(RTM_NEWROUTE, rt, info);
rt6_release(iter);
if (!(fn->fn_flags & RTN_RTINFO)) {
info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
fn->fn_flags |= RTN_RTINFO;
}
}
return 0;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,707 | static struct fib6_table *fib6_alloc_table(struct net *net, u32 id)
{
struct fib6_table *table;
table = kzalloc(sizeof(*table), GFP_ATOMIC);
if (table) {
table->tb6_id = id;
table->tb6_root.leaf = net->ipv6.ip6_null_entry;
table->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
inet_peer_base_init(&table->tb6_peers);
}
return table;
}
| DoS | 0 | static struct fib6_table *fib6_alloc_table(struct net *net, u32 id)
{
struct fib6_table *table;
table = kzalloc(sizeof(*table), GFP_ATOMIC);
if (table) {
table->tb6_id = id;
table->tb6_root.leaf = net->ipv6.ip6_null_entry;
table->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
inet_peer_base_init(&table->tb6_peers);
}
return table;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,708 | void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
int prune, void *arg)
{
struct fib6_table *table;
struct hlist_head *head;
unsigned int h;
rcu_read_lock();
for (h = 0; h < FIB6_TABLE_HASHSZ; h++) {
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(table, head, tb6_hlist) {
write_lock_bh(&table->tb6_lock);
fib6_clean_tree(net, &table->tb6_root,
func, prune, arg);
write_unlock_bh(&table->tb6_lock);
}
}
rcu_read_unlock();
}
| DoS | 0 | void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
int prune, void *arg)
{
struct fib6_table *table;
struct hlist_head *head;
unsigned int h;
rcu_read_lock();
for (h = 0; h < FIB6_TABLE_HASHSZ; h++) {
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(table, head, tb6_hlist) {
write_lock_bh(&table->tb6_lock);
fib6_clean_tree(net, &table->tb6_root,
func, prune, arg);
write_unlock_bh(&table->tb6_lock);
}
}
rcu_read_unlock();
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,709 | static int fib6_clean_node(struct fib6_walker_t *w)
{
int res;
struct rt6_info *rt;
struct fib6_cleaner_t *c = container_of(w, struct fib6_cleaner_t, w);
struct nl_info info = {
.nl_net = c->net,
};
for (rt = w->leaf; rt; rt = rt->dst.rt6_next) {
res = c->func(rt, c->arg);
if (res < 0) {
w->leaf = rt;
res = fib6_del(rt, &info);
if (res) {
#if RT6_DEBUG >= 2
pr_debug("%s: del failed: rt=%p@%p err=%d\n",
__func__, rt, rt->rt6i_node, res);
#endif
continue;
}
return 0;
}
WARN_ON(res != 0);
}
w->leaf = rt;
return 0;
}
| DoS | 0 | static int fib6_clean_node(struct fib6_walker_t *w)
{
int res;
struct rt6_info *rt;
struct fib6_cleaner_t *c = container_of(w, struct fib6_cleaner_t, w);
struct nl_info info = {
.nl_net = c->net,
};
for (rt = w->leaf; rt; rt = rt->dst.rt6_next) {
res = c->func(rt, c->arg);
if (res < 0) {
w->leaf = rt;
res = fib6_del(rt, &info);
if (res) {
#if RT6_DEBUG >= 2
pr_debug("%s: del failed: rt=%p@%p err=%d\n",
__func__, rt, rt->rt6i_node, res);
#endif
continue;
}
return 0;
}
WARN_ON(res != 0);
}
w->leaf = rt;
return 0;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,710 | static void fib6_clean_tree(struct net *net, struct fib6_node *root,
int (*func)(struct rt6_info *, void *arg),
int prune, void *arg)
{
struct fib6_cleaner_t c;
c.w.root = root;
c.w.func = fib6_clean_node;
c.w.prune = prune;
c.w.count = 0;
c.w.skip = 0;
c.func = func;
c.arg = arg;
c.net = net;
fib6_walk(&c.w);
}
| DoS | 0 | static void fib6_clean_tree(struct net *net, struct fib6_node *root,
int (*func)(struct rt6_info *, void *arg),
int prune, void *arg)
{
struct fib6_cleaner_t c;
c.w.root = root;
c.w.func = fib6_clean_node;
c.w.prune = prune;
c.w.count = 0;
c.w.skip = 0;
c.func = func;
c.arg = arg;
c.net = net;
fib6_walk(&c.w);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,711 | int fib6_del(struct rt6_info *rt, struct nl_info *info)
{
struct net *net = info->nl_net;
struct fib6_node *fn = rt->rt6i_node;
struct rt6_info **rtp;
#if RT6_DEBUG >= 2
if (rt->dst.obsolete>0) {
WARN_ON(fn != NULL);
return -ENOENT;
}
#endif
if (!fn || rt == net->ipv6.ip6_null_entry)
return -ENOENT;
WARN_ON(!(fn->fn_flags & RTN_RTINFO));
if (!(rt->rt6i_flags & RTF_CACHE)) {
struct fib6_node *pn = fn;
#ifdef CONFIG_IPV6_SUBTREES
/* clones of this route might be in another subtree */
if (rt->rt6i_src.plen) {
while (!(pn->fn_flags & RTN_ROOT))
pn = pn->parent;
pn = pn->parent;
}
#endif
fib6_prune_clones(info->nl_net, pn, rt);
}
/*
* Walk the leaf entries looking for ourself
*/
for (rtp = &fn->leaf; *rtp; rtp = &(*rtp)->dst.rt6_next) {
if (*rtp == rt) {
fib6_del_route(fn, rtp, info);
return 0;
}
}
return -ENOENT;
}
| DoS | 0 | int fib6_del(struct rt6_info *rt, struct nl_info *info)
{
struct net *net = info->nl_net;
struct fib6_node *fn = rt->rt6i_node;
struct rt6_info **rtp;
#if RT6_DEBUG >= 2
if (rt->dst.obsolete>0) {
WARN_ON(fn != NULL);
return -ENOENT;
}
#endif
if (!fn || rt == net->ipv6.ip6_null_entry)
return -ENOENT;
WARN_ON(!(fn->fn_flags & RTN_RTINFO));
if (!(rt->rt6i_flags & RTF_CACHE)) {
struct fib6_node *pn = fn;
#ifdef CONFIG_IPV6_SUBTREES
/* clones of this route might be in another subtree */
if (rt->rt6i_src.plen) {
while (!(pn->fn_flags & RTN_ROOT))
pn = pn->parent;
pn = pn->parent;
}
#endif
fib6_prune_clones(info->nl_net, pn, rt);
}
/*
* Walk the leaf entries looking for ourself
*/
for (rtp = &fn->leaf; *rtp; rtp = &(*rtp)->dst.rt6_next) {
if (*rtp == rt) {
fib6_del_route(fn, rtp, info);
return 0;
}
}
return -ENOENT;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,712 | static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
struct nl_info *info)
{
struct fib6_walker_t *w;
struct rt6_info *rt = *rtp;
struct net *net = info->nl_net;
RT6_TRACE("fib6_del_route\n");
/* Unlink it */
*rtp = rt->dst.rt6_next;
rt->rt6i_node = NULL;
net->ipv6.rt6_stats->fib_rt_entries--;
net->ipv6.rt6_stats->fib_discarded_routes++;
/* Reset round-robin state, if necessary */
if (fn->rr_ptr == rt)
fn->rr_ptr = NULL;
/* Remove this entry from other siblings */
if (rt->rt6i_nsiblings) {
struct rt6_info *sibling, *next_sibling;
list_for_each_entry_safe(sibling, next_sibling,
&rt->rt6i_siblings, rt6i_siblings)
sibling->rt6i_nsiblings--;
rt->rt6i_nsiblings = 0;
list_del_init(&rt->rt6i_siblings);
}
/* Adjust walkers */
read_lock(&fib6_walker_lock);
FOR_WALKERS(w) {
if (w->state == FWS_C && w->leaf == rt) {
RT6_TRACE("walker %p adjusted by delroute\n", w);
w->leaf = rt->dst.rt6_next;
if (!w->leaf)
w->state = FWS_U;
}
}
read_unlock(&fib6_walker_lock);
rt->dst.rt6_next = NULL;
/* If it was last route, expunge its radix tree node */
if (!fn->leaf) {
fn->fn_flags &= ~RTN_RTINFO;
net->ipv6.rt6_stats->fib_route_nodes--;
fn = fib6_repair_tree(net, fn);
}
if (atomic_read(&rt->rt6i_ref) != 1) {
/* This route is used as dummy address holder in some split
* nodes. It is not leaked, but it still holds other resources,
* which must be released in time. So, scan ascendant nodes
* and replace dummy references to this route with references
* to still alive ones.
*/
while (fn) {
if (!(fn->fn_flags & RTN_RTINFO) && fn->leaf == rt) {
fn->leaf = fib6_find_prefix(net, fn);
atomic_inc(&fn->leaf->rt6i_ref);
rt6_release(rt);
}
fn = fn->parent;
}
/* No more references are possible at this point. */
BUG_ON(atomic_read(&rt->rt6i_ref) != 1);
}
inet6_rt_notify(RTM_DELROUTE, rt, info);
rt6_release(rt);
}
| DoS | 0 | static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
struct nl_info *info)
{
struct fib6_walker_t *w;
struct rt6_info *rt = *rtp;
struct net *net = info->nl_net;
RT6_TRACE("fib6_del_route\n");
/* Unlink it */
*rtp = rt->dst.rt6_next;
rt->rt6i_node = NULL;
net->ipv6.rt6_stats->fib_rt_entries--;
net->ipv6.rt6_stats->fib_discarded_routes++;
/* Reset round-robin state, if necessary */
if (fn->rr_ptr == rt)
fn->rr_ptr = NULL;
/* Remove this entry from other siblings */
if (rt->rt6i_nsiblings) {
struct rt6_info *sibling, *next_sibling;
list_for_each_entry_safe(sibling, next_sibling,
&rt->rt6i_siblings, rt6i_siblings)
sibling->rt6i_nsiblings--;
rt->rt6i_nsiblings = 0;
list_del_init(&rt->rt6i_siblings);
}
/* Adjust walkers */
read_lock(&fib6_walker_lock);
FOR_WALKERS(w) {
if (w->state == FWS_C && w->leaf == rt) {
RT6_TRACE("walker %p adjusted by delroute\n", w);
w->leaf = rt->dst.rt6_next;
if (!w->leaf)
w->state = FWS_U;
}
}
read_unlock(&fib6_walker_lock);
rt->dst.rt6_next = NULL;
/* If it was last route, expunge its radix tree node */
if (!fn->leaf) {
fn->fn_flags &= ~RTN_RTINFO;
net->ipv6.rt6_stats->fib_route_nodes--;
fn = fib6_repair_tree(net, fn);
}
if (atomic_read(&rt->rt6i_ref) != 1) {
/* This route is used as dummy address holder in some split
* nodes. It is not leaked, but it still holds other resources,
* which must be released in time. So, scan ascendant nodes
* and replace dummy references to this route with references
* to still alive ones.
*/
while (fn) {
if (!(fn->fn_flags & RTN_RTINFO) && fn->leaf == rt) {
fn->leaf = fib6_find_prefix(net, fn);
atomic_inc(&fn->leaf->rt6i_ref);
rt6_release(rt);
}
fn = fn->parent;
}
/* No more references are possible at this point. */
BUG_ON(atomic_read(&rt->rt6i_ref) != 1);
}
inet6_rt_notify(RTM_DELROUTE, rt, info);
rt6_release(rt);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,713 | static int fib6_dump_done(struct netlink_callback *cb)
{
fib6_dump_end(cb);
return cb->done ? cb->done(cb) : 0;
}
| DoS | 0 | static int fib6_dump_done(struct netlink_callback *cb)
{
fib6_dump_end(cb);
return cb->done ? cb->done(cb) : 0;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,714 | static void fib6_dump_end(struct netlink_callback *cb)
{
struct fib6_walker_t *w = (void*)cb->args[2];
if (w) {
if (cb->args[4]) {
cb->args[4] = 0;
fib6_walker_unlink(w);
}
cb->args[2] = 0;
kfree(w);
}
cb->done = (void*)cb->args[3];
cb->args[1] = 3;
}
| DoS | 0 | static void fib6_dump_end(struct netlink_callback *cb)
{
struct fib6_walker_t *w = (void*)cb->args[2];
if (w) {
if (cb->args[4]) {
cb->args[4] = 0;
fib6_walker_unlink(w);
}
cb->args[2] = 0;
kfree(w);
}
cb->done = (void*)cb->args[3];
cb->args[1] = 3;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,715 | static int fib6_dump_node(struct fib6_walker_t *w)
{
int res;
struct rt6_info *rt;
for (rt = w->leaf; rt; rt = rt->dst.rt6_next) {
res = rt6_dump_route(rt, w->args);
if (res < 0) {
/* Frame is full, suspend walking */
w->leaf = rt;
return 1;
}
WARN_ON(res == 0);
}
w->leaf = NULL;
return 0;
}
| DoS | 0 | static int fib6_dump_node(struct fib6_walker_t *w)
{
int res;
struct rt6_info *rt;
for (rt = w->leaf; rt; rt = rt->dst.rt6_next) {
res = rt6_dump_route(rt, w->args);
if (res < 0) {
/* Frame is full, suspend walking */
w->leaf = rt;
return 1;
}
WARN_ON(res == 0);
}
w->leaf = NULL;
return 0;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,716 | static int fib6_dump_table(struct fib6_table *table, struct sk_buff *skb,
struct netlink_callback *cb)
{
struct fib6_walker_t *w;
int res;
w = (void *)cb->args[2];
w->root = &table->tb6_root;
if (cb->args[4] == 0) {
w->count = 0;
w->skip = 0;
read_lock_bh(&table->tb6_lock);
res = fib6_walk(w);
read_unlock_bh(&table->tb6_lock);
if (res > 0) {
cb->args[4] = 1;
cb->args[5] = w->root->fn_sernum;
}
} else {
if (cb->args[5] != w->root->fn_sernum) {
/* Begin at the root if the tree changed */
cb->args[5] = w->root->fn_sernum;
w->state = FWS_INIT;
w->node = w->root;
w->skip = w->count;
} else
w->skip = 0;
read_lock_bh(&table->tb6_lock);
res = fib6_walk_continue(w);
read_unlock_bh(&table->tb6_lock);
if (res <= 0) {
fib6_walker_unlink(w);
cb->args[4] = 0;
}
}
return res;
}
| DoS | 0 | static int fib6_dump_table(struct fib6_table *table, struct sk_buff *skb,
struct netlink_callback *cb)
{
struct fib6_walker_t *w;
int res;
w = (void *)cb->args[2];
w->root = &table->tb6_root;
if (cb->args[4] == 0) {
w->count = 0;
w->skip = 0;
read_lock_bh(&table->tb6_lock);
res = fib6_walk(w);
read_unlock_bh(&table->tb6_lock);
if (res > 0) {
cb->args[4] = 1;
cb->args[5] = w->root->fn_sernum;
}
} else {
if (cb->args[5] != w->root->fn_sernum) {
/* Begin at the root if the tree changed */
cb->args[5] = w->root->fn_sernum;
w->state = FWS_INIT;
w->node = w->root;
w->skip = w->count;
} else
w->skip = 0;
read_lock_bh(&table->tb6_lock);
res = fib6_walk_continue(w);
read_unlock_bh(&table->tb6_lock);
if (res <= 0) {
fib6_walker_unlink(w);
cb->args[4] = 0;
}
}
return res;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,717 | static struct rt6_info *fib6_find_prefix(struct net *net, struct fib6_node *fn)
{
if (fn->fn_flags & RTN_ROOT)
return net->ipv6.ip6_null_entry;
while (fn) {
if (fn->left)
return fn->left->leaf;
if (fn->right)
return fn->right->leaf;
fn = FIB6_SUBTREE(fn);
}
return NULL;
}
| DoS | 0 | static struct rt6_info *fib6_find_prefix(struct net *net, struct fib6_node *fn)
{
if (fn->fn_flags & RTN_ROOT)
return net->ipv6.ip6_null_entry;
while (fn) {
if (fn->left)
return fn->left->leaf;
if (fn->right)
return fn->right->leaf;
fn = FIB6_SUBTREE(fn);
}
return NULL;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,718 | void fib6_force_start_gc(struct net *net)
{
if (!timer_pending(&net->ipv6.ip6_fib_timer))
mod_timer(&net->ipv6.ip6_fib_timer,
jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);
}
| DoS | 0 | void fib6_force_start_gc(struct net *net)
{
if (!timer_pending(&net->ipv6.ip6_fib_timer))
mod_timer(&net->ipv6.ip6_fib_timer,
jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,719 | static void fib6_gc_timer_cb(unsigned long arg)
{
fib6_run_gc(0, (struct net *)arg, true);
}
| DoS | 0 | static void fib6_gc_timer_cb(unsigned long arg)
{
fib6_run_gc(0, (struct net *)arg, true);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,720 | struct fib6_table *fib6_get_table(struct net *net, u32 id)
{
struct fib6_table *tb;
struct hlist_head *head;
unsigned int h;
if (id == 0)
id = RT6_TABLE_MAIN;
h = id & (FIB6_TABLE_HASHSZ - 1);
rcu_read_lock();
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(tb, head, tb6_hlist) {
if (tb->tb6_id == id) {
rcu_read_unlock();
return tb;
}
}
rcu_read_unlock();
return NULL;
}
| DoS | 0 | struct fib6_table *fib6_get_table(struct net *net, u32 id)
{
struct fib6_table *tb;
struct hlist_head *head;
unsigned int h;
if (id == 0)
id = RT6_TABLE_MAIN;
h = id & (FIB6_TABLE_HASHSZ - 1);
rcu_read_lock();
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(tb, head, tb6_hlist) {
if (tb->tb6_id == id) {
rcu_read_unlock();
return tb;
}
}
rcu_read_unlock();
return NULL;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,721 | struct fib6_table *fib6_get_table(struct net *net, u32 id)
{
return net->ipv6.fib6_main_tbl;
}
| DoS | 0 | struct fib6_table *fib6_get_table(struct net *net, u32 id)
{
return net->ipv6.fib6_main_tbl;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,722 | static void fib6_link_table(struct net *net, struct fib6_table *tb)
{
unsigned int h;
/*
* Initialize table lock at a single place to give lockdep a key,
* tables aren't visible prior to being linked to the list.
*/
rwlock_init(&tb->tb6_lock);
h = tb->tb6_id & (FIB6_TABLE_HASHSZ - 1);
/*
* No protection necessary, this is the only list mutatation
* operation, tables never disappear once they exist.
*/
hlist_add_head_rcu(&tb->tb6_hlist, &net->ipv6.fib_table_hash[h]);
}
| DoS | 0 | static void fib6_link_table(struct net *net, struct fib6_table *tb)
{
unsigned int h;
/*
* Initialize table lock at a single place to give lockdep a key,
* tables aren't visible prior to being linked to the list.
*/
rwlock_init(&tb->tb6_lock);
h = tb->tb6_id & (FIB6_TABLE_HASHSZ - 1);
/*
* No protection necessary, this is the only list mutatation
* operation, tables never disappear once they exist.
*/
hlist_add_head_rcu(&tb->tb6_hlist, &net->ipv6.fib_table_hash[h]);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,723 | struct fib6_node * fib6_locate(struct fib6_node *root,
const struct in6_addr *daddr, int dst_len,
const struct in6_addr *saddr, int src_len)
{
struct fib6_node *fn;
fn = fib6_locate_1(root, daddr, dst_len,
offsetof(struct rt6_info, rt6i_dst));
#ifdef CONFIG_IPV6_SUBTREES
if (src_len) {
WARN_ON(saddr == NULL);
if (fn && fn->subtree)
fn = fib6_locate_1(fn->subtree, saddr, src_len,
offsetof(struct rt6_info, rt6i_src));
}
#endif
if (fn && fn->fn_flags & RTN_RTINFO)
return fn;
return NULL;
}
| DoS | 0 | struct fib6_node * fib6_locate(struct fib6_node *root,
const struct in6_addr *daddr, int dst_len,
const struct in6_addr *saddr, int src_len)
{
struct fib6_node *fn;
fn = fib6_locate_1(root, daddr, dst_len,
offsetof(struct rt6_info, rt6i_dst));
#ifdef CONFIG_IPV6_SUBTREES
if (src_len) {
WARN_ON(saddr == NULL);
if (fn && fn->subtree)
fn = fib6_locate_1(fn->subtree, saddr, src_len,
offsetof(struct rt6_info, rt6i_src));
}
#endif
if (fn && fn->fn_flags & RTN_RTINFO)
return fn;
return NULL;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,724 | static struct fib6_node * fib6_locate_1(struct fib6_node *root,
const struct in6_addr *addr,
int plen, int offset)
{
struct fib6_node *fn;
for (fn = root; fn ; ) {
struct rt6key *key = (struct rt6key *)((u8 *)fn->leaf + offset);
/*
* Prefix match
*/
if (plen < fn->fn_bit ||
!ipv6_prefix_equal(&key->addr, addr, fn->fn_bit))
return NULL;
if (plen == fn->fn_bit)
return fn;
/*
* We have more bits to go
*/
if (addr_bit_set(addr, fn->fn_bit))
fn = fn->right;
else
fn = fn->left;
}
return NULL;
}
| DoS | 0 | static struct fib6_node * fib6_locate_1(struct fib6_node *root,
const struct in6_addr *addr,
int plen, int offset)
{
struct fib6_node *fn;
for (fn = root; fn ; ) {
struct rt6key *key = (struct rt6key *)((u8 *)fn->leaf + offset);
/*
* Prefix match
*/
if (plen < fn->fn_bit ||
!ipv6_prefix_equal(&key->addr, addr, fn->fn_bit))
return NULL;
if (plen == fn->fn_bit)
return fn;
/*
* We have more bits to go
*/
if (addr_bit_set(addr, fn->fn_bit))
fn = fn->right;
else
fn = fn->left;
}
return NULL;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,725 | struct fib6_node * fib6_lookup(struct fib6_node *root, const struct in6_addr *daddr,
const struct in6_addr *saddr)
{
struct fib6_node *fn;
struct lookup_args args[] = {
{
.offset = offsetof(struct rt6_info, rt6i_dst),
.addr = daddr,
},
#ifdef CONFIG_IPV6_SUBTREES
{
.offset = offsetof(struct rt6_info, rt6i_src),
.addr = saddr,
},
#endif
{
.offset = 0, /* sentinel */
}
};
fn = fib6_lookup_1(root, daddr ? args : args + 1);
if (!fn || fn->fn_flags & RTN_TL_ROOT)
fn = root;
return fn;
}
| DoS | 0 | struct fib6_node * fib6_lookup(struct fib6_node *root, const struct in6_addr *daddr,
const struct in6_addr *saddr)
{
struct fib6_node *fn;
struct lookup_args args[] = {
{
.offset = offsetof(struct rt6_info, rt6i_dst),
.addr = daddr,
},
#ifdef CONFIG_IPV6_SUBTREES
{
.offset = offsetof(struct rt6_info, rt6i_src),
.addr = saddr,
},
#endif
{
.offset = 0, /* sentinel */
}
};
fn = fib6_lookup_1(root, daddr ? args : args + 1);
if (!fn || fn->fn_flags & RTN_TL_ROOT)
fn = root;
return fn;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,726 | static void fib6_net_exit(struct net *net)
{
rt6_ifdown(net, NULL);
del_timer_sync(&net->ipv6.ip6_fib_timer);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
inetpeer_invalidate_tree(&net->ipv6.fib6_local_tbl->tb6_peers);
kfree(net->ipv6.fib6_local_tbl);
#endif
inetpeer_invalidate_tree(&net->ipv6.fib6_main_tbl->tb6_peers);
kfree(net->ipv6.fib6_main_tbl);
kfree(net->ipv6.fib_table_hash);
kfree(net->ipv6.rt6_stats);
}
| DoS | 0 | static void fib6_net_exit(struct net *net)
{
rt6_ifdown(net, NULL);
del_timer_sync(&net->ipv6.ip6_fib_timer);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
inetpeer_invalidate_tree(&net->ipv6.fib6_local_tbl->tb6_peers);
kfree(net->ipv6.fib6_local_tbl);
#endif
inetpeer_invalidate_tree(&net->ipv6.fib6_main_tbl->tb6_peers);
kfree(net->ipv6.fib6_main_tbl);
kfree(net->ipv6.fib_table_hash);
kfree(net->ipv6.rt6_stats);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,727 | static __inline__ u32 fib6_new_sernum(void)
{
u32 n = ++rt_sernum;
if ((__s32)n <= 0)
rt_sernum = n = 1;
return n;
}
| DoS | 0 | static __inline__ u32 fib6_new_sernum(void)
{
u32 n = ++rt_sernum;
if ((__s32)n <= 0)
rt_sernum = n = 1;
return n;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,728 | struct fib6_table *fib6_new_table(struct net *net, u32 id)
{
struct fib6_table *tb;
if (id == 0)
id = RT6_TABLE_MAIN;
tb = fib6_get_table(net, id);
if (tb)
return tb;
tb = fib6_alloc_table(net, id);
if (tb)
fib6_link_table(net, tb);
return tb;
}
| DoS | 0 | struct fib6_table *fib6_new_table(struct net *net, u32 id)
{
struct fib6_table *tb;
if (id == 0)
id = RT6_TABLE_MAIN;
tb = fib6_get_table(net, id);
if (tb)
return tb;
tb = fib6_alloc_table(net, id);
if (tb)
fib6_link_table(net, tb);
return tb;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,729 | struct fib6_table *fib6_new_table(struct net *net, u32 id)
{
return fib6_get_table(net, id);
}
| DoS | 0 | struct fib6_table *fib6_new_table(struct net *net, u32 id)
{
return fib6_get_table(net, id);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,730 | void fib6_run_gc(unsigned long expires, struct net *net, bool force)
{
unsigned long now;
if (force) {
spin_lock_bh(&fib6_gc_lock);
} else if (!spin_trylock_bh(&fib6_gc_lock)) {
mod_timer(&net->ipv6.ip6_fib_timer, jiffies + HZ);
return;
}
gc_args.timeout = expires ? (int)expires :
net->ipv6.sysctl.ip6_rt_gc_interval;
gc_args.more = icmp6_dst_gc();
fib6_clean_all(net, fib6_age, 0, NULL);
now = jiffies;
net->ipv6.ip6_rt_last_gc = now;
if (gc_args.more)
mod_timer(&net->ipv6.ip6_fib_timer,
round_jiffies(now
+ net->ipv6.sysctl.ip6_rt_gc_interval));
else
del_timer(&net->ipv6.ip6_fib_timer);
spin_unlock_bh(&fib6_gc_lock);
}
| DoS | 0 | void fib6_run_gc(unsigned long expires, struct net *net, bool force)
{
unsigned long now;
if (force) {
spin_lock_bh(&fib6_gc_lock);
} else if (!spin_trylock_bh(&fib6_gc_lock)) {
mod_timer(&net->ipv6.ip6_fib_timer, jiffies + HZ);
return;
}
gc_args.timeout = expires ? (int)expires :
net->ipv6.sysctl.ip6_rt_gc_interval;
gc_args.more = icmp6_dst_gc();
fib6_clean_all(net, fib6_age, 0, NULL);
now = jiffies;
net->ipv6.ip6_rt_last_gc = now;
if (gc_args.more)
mod_timer(&net->ipv6.ip6_fib_timer,
round_jiffies(now
+ net->ipv6.sysctl.ip6_rt_gc_interval));
else
del_timer(&net->ipv6.ip6_fib_timer);
spin_unlock_bh(&fib6_gc_lock);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,731 | static __inline__ void fib6_start_gc(struct net *net, struct rt6_info *rt)
{
if (!timer_pending(&net->ipv6.ip6_fib_timer) &&
(rt->rt6i_flags & (RTF_EXPIRES | RTF_CACHE)))
mod_timer(&net->ipv6.ip6_fib_timer,
jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);
}
| DoS | 0 | static __inline__ void fib6_start_gc(struct net *net, struct rt6_info *rt)
{
if (!timer_pending(&net->ipv6.ip6_fib_timer) &&
(rt->rt6i_flags & (RTF_EXPIRES | RTF_CACHE)))
mod_timer(&net->ipv6.ip6_fib_timer,
jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,732 | static void __net_init fib6_tables_init(struct net *net)
{
fib6_link_table(net, net->ipv6.fib6_main_tbl);
fib6_link_table(net, net->ipv6.fib6_local_tbl);
}
| DoS | 0 | static void __net_init fib6_tables_init(struct net *net)
{
fib6_link_table(net, net->ipv6.fib6_main_tbl);
fib6_link_table(net, net->ipv6.fib6_local_tbl);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,733 | static void __net_init fib6_tables_init(struct net *net)
{
fib6_link_table(net, net->ipv6.fib6_main_tbl);
}
| DoS | 0 | static void __net_init fib6_tables_init(struct net *net)
{
fib6_link_table(net, net->ipv6.fib6_main_tbl);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,734 | static int fib6_walk(struct fib6_walker_t *w)
{
int res;
w->state = FWS_INIT;
w->node = w->root;
fib6_walker_link(w);
res = fib6_walk_continue(w);
if (res <= 0)
fib6_walker_unlink(w);
return res;
}
| DoS | 0 | static int fib6_walk(struct fib6_walker_t *w)
{
int res;
w->state = FWS_INIT;
w->node = w->root;
fib6_walker_link(w);
res = fib6_walk_continue(w);
if (res <= 0)
fib6_walker_unlink(w);
return res;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,735 | static int fib6_walk_continue(struct fib6_walker_t *w)
{
struct fib6_node *fn, *pn;
for (;;) {
fn = w->node;
if (!fn)
return 0;
if (w->prune && fn != w->root &&
fn->fn_flags & RTN_RTINFO && w->state < FWS_C) {
w->state = FWS_C;
w->leaf = fn->leaf;
}
switch (w->state) {
#ifdef CONFIG_IPV6_SUBTREES
case FWS_S:
if (FIB6_SUBTREE(fn)) {
w->node = FIB6_SUBTREE(fn);
continue;
}
w->state = FWS_L;
#endif
case FWS_L:
if (fn->left) {
w->node = fn->left;
w->state = FWS_INIT;
continue;
}
w->state = FWS_R;
case FWS_R:
if (fn->right) {
w->node = fn->right;
w->state = FWS_INIT;
continue;
}
w->state = FWS_C;
w->leaf = fn->leaf;
case FWS_C:
if (w->leaf && fn->fn_flags & RTN_RTINFO) {
int err;
if (w->skip) {
w->skip--;
continue;
}
err = w->func(w);
if (err)
return err;
w->count++;
continue;
}
w->state = FWS_U;
case FWS_U:
if (fn == w->root)
return 0;
pn = fn->parent;
w->node = pn;
#ifdef CONFIG_IPV6_SUBTREES
if (FIB6_SUBTREE(pn) == fn) {
WARN_ON(!(fn->fn_flags & RTN_ROOT));
w->state = FWS_L;
continue;
}
#endif
if (pn->left == fn) {
w->state = FWS_R;
continue;
}
if (pn->right == fn) {
w->state = FWS_C;
w->leaf = w->node->leaf;
continue;
}
#if RT6_DEBUG >= 2
WARN_ON(1);
#endif
}
}
}
| DoS | 0 | static int fib6_walk_continue(struct fib6_walker_t *w)
{
struct fib6_node *fn, *pn;
for (;;) {
fn = w->node;
if (!fn)
return 0;
if (w->prune && fn != w->root &&
fn->fn_flags & RTN_RTINFO && w->state < FWS_C) {
w->state = FWS_C;
w->leaf = fn->leaf;
}
switch (w->state) {
#ifdef CONFIG_IPV6_SUBTREES
case FWS_S:
if (FIB6_SUBTREE(fn)) {
w->node = FIB6_SUBTREE(fn);
continue;
}
w->state = FWS_L;
#endif
case FWS_L:
if (fn->left) {
w->node = fn->left;
w->state = FWS_INIT;
continue;
}
w->state = FWS_R;
case FWS_R:
if (fn->right) {
w->node = fn->right;
w->state = FWS_INIT;
continue;
}
w->state = FWS_C;
w->leaf = fn->leaf;
case FWS_C:
if (w->leaf && fn->fn_flags & RTN_RTINFO) {
int err;
if (w->skip) {
w->skip--;
continue;
}
err = w->func(w);
if (err)
return err;
w->count++;
continue;
}
w->state = FWS_U;
case FWS_U:
if (fn == w->root)
return 0;
pn = fn->parent;
w->node = pn;
#ifdef CONFIG_IPV6_SUBTREES
if (FIB6_SUBTREE(pn) == fn) {
WARN_ON(!(fn->fn_flags & RTN_ROOT));
w->state = FWS_L;
continue;
}
#endif
if (pn->left == fn) {
w->state = FWS_R;
continue;
}
if (pn->right == fn) {
w->state = FWS_C;
w->leaf = w->node->leaf;
continue;
}
#if RT6_DEBUG >= 2
WARN_ON(1);
#endif
}
}
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,736 | static inline void fib6_walker_link(struct fib6_walker_t *w)
{
write_lock_bh(&fib6_walker_lock);
list_add(&w->lh, &fib6_walkers);
write_unlock_bh(&fib6_walker_lock);
}
| DoS | 0 | static inline void fib6_walker_link(struct fib6_walker_t *w)
{
write_lock_bh(&fib6_walker_lock);
list_add(&w->lh, &fib6_walkers);
write_unlock_bh(&fib6_walker_lock);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,737 | static inline void fib6_walker_unlink(struct fib6_walker_t *w)
{
write_lock_bh(&fib6_walker_lock);
list_del(&w->lh);
write_unlock_bh(&fib6_walker_lock);
}
| DoS | 0 | static inline void fib6_walker_unlink(struct fib6_walker_t *w)
{
write_lock_bh(&fib6_walker_lock);
list_del(&w->lh);
write_unlock_bh(&fib6_walker_lock);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,738 | static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = sock_net(skb->sk);
unsigned int h, s_h;
unsigned int e = 0, s_e;
struct rt6_rtnl_dump_arg arg;
struct fib6_walker_t *w;
struct fib6_table *tb;
struct hlist_head *head;
int res = 0;
s_h = cb->args[0];
s_e = cb->args[1];
w = (void *)cb->args[2];
if (!w) {
/* New dump:
*
* 1. hook callback destructor.
*/
cb->args[3] = (long)cb->done;
cb->done = fib6_dump_done;
/*
* 2. allocate and initialize walker.
*/
w = kzalloc(sizeof(*w), GFP_ATOMIC);
if (!w)
return -ENOMEM;
w->func = fib6_dump_node;
cb->args[2] = (long)w;
}
arg.skb = skb;
arg.cb = cb;
arg.net = net;
w->args = &arg;
rcu_read_lock();
for (h = s_h; h < FIB6_TABLE_HASHSZ; h++, s_e = 0) {
e = 0;
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(tb, head, tb6_hlist) {
if (e < s_e)
goto next;
res = fib6_dump_table(tb, skb, cb);
if (res != 0)
goto out;
next:
e++;
}
}
out:
rcu_read_unlock();
cb->args[1] = e;
cb->args[0] = h;
res = res < 0 ? res : skb->len;
if (res <= 0)
fib6_dump_end(cb);
return res;
}
| DoS | 0 | static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = sock_net(skb->sk);
unsigned int h, s_h;
unsigned int e = 0, s_e;
struct rt6_rtnl_dump_arg arg;
struct fib6_walker_t *w;
struct fib6_table *tb;
struct hlist_head *head;
int res = 0;
s_h = cb->args[0];
s_e = cb->args[1];
w = (void *)cb->args[2];
if (!w) {
/* New dump:
*
* 1. hook callback destructor.
*/
cb->args[3] = (long)cb->done;
cb->done = fib6_dump_done;
/*
* 2. allocate and initialize walker.
*/
w = kzalloc(sizeof(*w), GFP_ATOMIC);
if (!w)
return -ENOMEM;
w->func = fib6_dump_node;
cb->args[2] = (long)w;
}
arg.skb = skb;
arg.cb = cb;
arg.net = net;
w->args = &arg;
rcu_read_lock();
for (h = s_h; h < FIB6_TABLE_HASHSZ; h++, s_e = 0) {
e = 0;
head = &net->ipv6.fib_table_hash[h];
hlist_for_each_entry_rcu(tb, head, tb6_hlist) {
if (e < s_e)
goto next;
res = fib6_dump_table(tb, skb, cb);
if (res != 0)
goto out;
next:
e++;
}
}
out:
rcu_read_unlock();
cb->args[1] = e;
cb->args[0] = h;
res = res < 0 ? res : skb->len;
if (res <= 0)
fib6_dump_end(cb);
return res;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,739 | static __inline__ struct fib6_node * node_alloc(void)
{
struct fib6_node *fn;
fn = kmem_cache_zalloc(fib6_node_kmem, GFP_ATOMIC);
return fn;
}
| DoS | 0 | static __inline__ struct fib6_node * node_alloc(void)
{
struct fib6_node *fn;
fn = kmem_cache_zalloc(fib6_node_kmem, GFP_ATOMIC);
return fn;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,740 | static __inline__ void node_free(struct fib6_node * fn)
{
kmem_cache_free(fib6_node_kmem, fn);
}
| DoS | 0 | static __inline__ void node_free(struct fib6_node * fn)
{
kmem_cache_free(fib6_node_kmem, fn);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,741 | static inline bool rt6_qualify_for_ecmp(struct rt6_info *rt)
{
return (rt->rt6i_flags & (RTF_GATEWAY|RTF_ADDRCONF|RTF_DYNAMIC)) ==
RTF_GATEWAY;
}
| DoS | 0 | static inline bool rt6_qualify_for_ecmp(struct rt6_info *rt)
{
return (rt->rt6i_flags & (RTF_GATEWAY|RTF_ADDRCONF|RTF_DYNAMIC)) ==
RTF_GATEWAY;
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,742 | static __inline__ void rt6_release(struct rt6_info *rt)
{
if (atomic_dec_and_test(&rt->rt6i_ref))
dst_free(&rt->dst);
}
| DoS | 0 | static __inline__ void rt6_release(struct rt6_info *rt)
{
if (atomic_dec_and_test(&rt->rt6i_ref))
dst_free(&rt->dst);
}
| @@ -825,9 +825,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
fn = fib6_add_1(root, &rt->rt6i_dst.addr, rt->rt6i_dst.plen,
offsetof(struct rt6_info, rt6i_dst), allow_create,
replace_required);
-
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
+ fn = NULL;
goto out;
}
| CWE-264 | null | null |
22,743 | static void __aac_shutdown(struct aac_dev * aac)
{
if (aac->aif_thread) {
int i;
/* Clear out events first */
for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
struct fib *fib = &aac->fibs[i];
if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
(fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
up(&fib->event_wait);
}
kthread_stop(aac->thread);
}
aac_send_shutdown(aac);
aac_adapter_disable_int(aac);
free_irq(aac->pdev->irq, aac);
if (aac->msi)
pci_disable_msi(aac->pdev);
}
| Bypass | 0 | static void __aac_shutdown(struct aac_dev * aac)
{
if (aac->aif_thread) {
int i;
/* Clear out events first */
for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
struct fib *fib = &aac->fibs[i];
if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
(fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
up(&fib->event_wait);
}
kthread_stop(aac->thread);
}
aac_send_shutdown(aac);
aac_adapter_disable_int(aac);
free_irq(aac->pdev->irq, aac);
if (aac->msi)
pci_disable_msi(aac->pdev);
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,744 | static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
sector_t capacity, int *geom)
{
struct diskparm *param = (struct diskparm *)geom;
unsigned char *buf;
dprintk((KERN_DEBUG "aac_biosparm.\n"));
/*
* Assuming extended translation is enabled - #REVISIT#
*/
if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
param->heads = 255;
param->sectors = 63;
} else {
param->heads = 128;
param->sectors = 32;
}
} else {
param->heads = 64;
param->sectors = 32;
}
param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
/*
* Read the first 1024 bytes from the disk device, if the boot
* sector partition table is valid, search for a partition table
* entry whose end_head matches one of the standard geometry
* translations ( 64/32, 128/32, 255/63 ).
*/
buf = scsi_bios_ptable(bdev);
if (!buf)
return 0;
if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
struct partition *first = (struct partition * )buf;
struct partition *entry = first;
int saved_cylinders = param->cylinders;
int num;
unsigned char end_head, end_sec;
for(num = 0; num < 4; num++) {
end_head = entry->end_head;
end_sec = entry->end_sector & 0x3f;
if(end_head == 63) {
param->heads = 64;
param->sectors = 32;
break;
} else if(end_head == 127) {
param->heads = 128;
param->sectors = 32;
break;
} else if(end_head == 254) {
param->heads = 255;
param->sectors = 63;
break;
}
entry++;
}
if (num == 4) {
end_head = first->end_head;
end_sec = first->end_sector & 0x3f;
}
param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
if (num < 4 && end_sec == param->sectors) {
if (param->cylinders != saved_cylinders)
dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
param->heads, param->sectors, num));
} else if (end_head > 0 || end_sec > 0) {
dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
end_head + 1, end_sec, num));
dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
param->heads, param->sectors));
}
}
kfree(buf);
return 0;
}
| Bypass | 0 | static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
sector_t capacity, int *geom)
{
struct diskparm *param = (struct diskparm *)geom;
unsigned char *buf;
dprintk((KERN_DEBUG "aac_biosparm.\n"));
/*
* Assuming extended translation is enabled - #REVISIT#
*/
if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
param->heads = 255;
param->sectors = 63;
} else {
param->heads = 128;
param->sectors = 32;
}
} else {
param->heads = 64;
param->sectors = 32;
}
param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
/*
* Read the first 1024 bytes from the disk device, if the boot
* sector partition table is valid, search for a partition table
* entry whose end_head matches one of the standard geometry
* translations ( 64/32, 128/32, 255/63 ).
*/
buf = scsi_bios_ptable(bdev);
if (!buf)
return 0;
if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
struct partition *first = (struct partition * )buf;
struct partition *entry = first;
int saved_cylinders = param->cylinders;
int num;
unsigned char end_head, end_sec;
for(num = 0; num < 4; num++) {
end_head = entry->end_head;
end_sec = entry->end_sector & 0x3f;
if(end_head == 63) {
param->heads = 64;
param->sectors = 32;
break;
} else if(end_head == 127) {
param->heads = 128;
param->sectors = 32;
break;
} else if(end_head == 254) {
param->heads = 255;
param->sectors = 63;
break;
}
entry++;
}
if (num == 4) {
end_head = first->end_head;
end_sec = first->end_sector & 0x3f;
}
param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
if (num < 4 && end_sec == param->sectors) {
if (param->cylinders != saved_cylinders)
dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
param->heads, param->sectors, num));
} else if (end_head > 0 || end_sec > 0) {
dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
end_head + 1, end_sec, num));
dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
param->heads, param->sectors));
}
}
kfree(buf);
return 0;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,745 | static long aac_cfg_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
mutex_lock(&aac_mutex);
ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
mutex_unlock(&aac_mutex);
return ret;
}
| Bypass | 0 | static long aac_cfg_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
mutex_lock(&aac_mutex);
ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
mutex_unlock(&aac_mutex);
return ret;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,746 | static int aac_cfg_open(struct inode *inode, struct file *file)
{
struct aac_dev *aac;
unsigned minor_number = iminor(inode);
int err = -ENODEV;
mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
list_for_each_entry(aac, &aac_devices, entry) {
if (aac->id == minor_number) {
file->private_data = aac;
err = 0;
break;
}
}
mutex_unlock(&aac_mutex);
return err;
}
| Bypass | 0 | static int aac_cfg_open(struct inode *inode, struct file *file)
{
struct aac_dev *aac;
unsigned minor_number = iminor(inode);
int err = -ENODEV;
mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
list_for_each_entry(aac, &aac_devices, entry) {
if (aac->id == minor_number) {
file->private_data = aac;
err = 0;
break;
}
}
mutex_unlock(&aac_mutex);
return err;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,747 | static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
int reason)
{
if (reason != SCSI_QDEPTH_DEFAULT)
return -EOPNOTSUPP;
if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
(sdev_channel(sdev) == CONTAINER_CHANNEL)) {
struct scsi_device * dev;
struct Scsi_Host *host = sdev->host;
unsigned num = 0;
__shost_for_each_device(dev, host) {
if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
(sdev_channel(dev) == CONTAINER_CHANNEL))
++num;
++num;
}
if (num >= host->can_queue)
num = host->can_queue - 1;
if (depth > (host->can_queue - num))
depth = host->can_queue - num;
if (depth > 256)
depth = 256;
else if (depth < 2)
depth = 2;
scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
} else
scsi_adjust_queue_depth(sdev, 0, 1);
return sdev->queue_depth;
}
| Bypass | 0 | static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
int reason)
{
if (reason != SCSI_QDEPTH_DEFAULT)
return -EOPNOTSUPP;
if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
(sdev_channel(sdev) == CONTAINER_CHANNEL)) {
struct scsi_device * dev;
struct Scsi_Host *host = sdev->host;
unsigned num = 0;
__shost_for_each_device(dev, host) {
if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
(sdev_channel(dev) == CONTAINER_CHANNEL))
++num;
++num;
}
if (num >= host->can_queue)
num = host->can_queue - 1;
if (depth > (host->can_queue - num))
depth = host->can_queue - num;
if (depth > 256)
depth = 256;
else if (depth < 2)
depth = 2;
scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
} else
scsi_adjust_queue_depth(sdev, 0, 1);
return sdev->queue_depth;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,748 | static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
return aac_compat_do_ioctl(file->private_data, cmd, arg);
}
| Bypass | 0 | static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
return aac_compat_do_ioctl(file->private_data, cmd, arg);
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,749 | static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
{
long ret;
mutex_lock(&aac_mutex);
switch (cmd) {
case FSACTL_MINIPORT_REV_CHECK:
case FSACTL_SENDFIB:
case FSACTL_OPEN_GET_ADAPTER_FIB:
case FSACTL_CLOSE_GET_ADAPTER_FIB:
case FSACTL_SEND_RAW_SRB:
case FSACTL_GET_PCI_INFO:
case FSACTL_QUERY_DISK:
case FSACTL_DELETE_DISK:
case FSACTL_FORCE_DELETE_DISK:
case FSACTL_GET_CONTAINERS:
case FSACTL_SEND_LARGE_FIB:
ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
break;
case FSACTL_GET_NEXT_ADAPTER_FIB: {
struct fib_ioctl __user *f;
f = compat_alloc_user_space(sizeof(*f));
ret = 0;
if (clear_user(f, sizeof(*f)))
ret = -EFAULT;
if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
ret = -EFAULT;
if (!ret)
ret = aac_do_ioctl(dev, cmd, f);
break;
}
default:
ret = -ENOIOCTLCMD;
break;
}
mutex_unlock(&aac_mutex);
return ret;
}
| Bypass | 0 | static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
{
long ret;
mutex_lock(&aac_mutex);
switch (cmd) {
case FSACTL_MINIPORT_REV_CHECK:
case FSACTL_SENDFIB:
case FSACTL_OPEN_GET_ADAPTER_FIB:
case FSACTL_CLOSE_GET_ADAPTER_FIB:
case FSACTL_SEND_RAW_SRB:
case FSACTL_GET_PCI_INFO:
case FSACTL_QUERY_DISK:
case FSACTL_DELETE_DISK:
case FSACTL_FORCE_DELETE_DISK:
case FSACTL_GET_CONTAINERS:
case FSACTL_SEND_LARGE_FIB:
ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
break;
case FSACTL_GET_NEXT_ADAPTER_FIB: {
struct fib_ioctl __user *f;
f = compat_alloc_user_space(sizeof(*f));
ret = 0;
if (clear_user(f, sizeof(*f)))
ret = -EFAULT;
if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
ret = -EFAULT;
if (!ret)
ret = aac_do_ioctl(dev, cmd, f);
break;
}
default:
ret = -ENOIOCTLCMD;
break;
}
mutex_unlock(&aac_mutex);
return ret;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,750 | static int aac_eh_abort(struct scsi_cmnd* cmd)
{
struct scsi_device * dev = cmd->device;
struct Scsi_Host * host = dev->host;
struct aac_dev * aac = (struct aac_dev *)host->hostdata;
int count;
int ret = FAILED;
printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
AAC_DRIVERNAME,
host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
switch (cmd->cmnd[0]) {
case SERVICE_ACTION_IN:
if (!(aac->raw_io_interface) ||
!(aac->raw_io_64) ||
((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
break;
case INQUIRY:
case READ_CAPACITY:
/* Mark associated FIB to not complete, eh handler does this */
for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct fib * fib = &aac->fibs[count];
if (fib->hw_fib_va->header.XferState &&
(fib->flags & FIB_CONTEXT_FLAG) &&
(fib->callback_data == cmd)) {
fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
ret = SUCCESS;
}
}
break;
case TEST_UNIT_READY:
/* Mark associated FIB to not complete, eh handler does this */
for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct scsi_cmnd * command;
struct fib * fib = &aac->fibs[count];
if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
(fib->flags & FIB_CONTEXT_FLAG) &&
((command = fib->callback_data)) &&
(command->device == cmd->device)) {
fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
if (command == cmd)
ret = SUCCESS;
}
}
}
return ret;
}
| Bypass | 0 | static int aac_eh_abort(struct scsi_cmnd* cmd)
{
struct scsi_device * dev = cmd->device;
struct Scsi_Host * host = dev->host;
struct aac_dev * aac = (struct aac_dev *)host->hostdata;
int count;
int ret = FAILED;
printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
AAC_DRIVERNAME,
host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
switch (cmd->cmnd[0]) {
case SERVICE_ACTION_IN:
if (!(aac->raw_io_interface) ||
!(aac->raw_io_64) ||
((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
break;
case INQUIRY:
case READ_CAPACITY:
/* Mark associated FIB to not complete, eh handler does this */
for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct fib * fib = &aac->fibs[count];
if (fib->hw_fib_va->header.XferState &&
(fib->flags & FIB_CONTEXT_FLAG) &&
(fib->callback_data == cmd)) {
fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
ret = SUCCESS;
}
}
break;
case TEST_UNIT_READY:
/* Mark associated FIB to not complete, eh handler does this */
for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct scsi_cmnd * command;
struct fib * fib = &aac->fibs[count];
if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
(fib->flags & FIB_CONTEXT_FLAG) &&
((command = fib->callback_data)) &&
(command->device == cmd->device)) {
fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
if (command == cmd)
ret = SUCCESS;
}
}
}
return ret;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,751 | static int aac_eh_reset(struct scsi_cmnd* cmd)
{
struct scsi_device * dev = cmd->device;
struct Scsi_Host * host = dev->host;
struct scsi_cmnd * command;
int count;
struct aac_dev * aac = (struct aac_dev *)host->hostdata;
unsigned long flags;
/* Mark the associated FIB to not complete, eh handler does this */
for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct fib * fib = &aac->fibs[count];
if (fib->hw_fib_va->header.XferState &&
(fib->flags & FIB_CONTEXT_FLAG) &&
(fib->callback_data == cmd)) {
fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
}
}
printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
AAC_DRIVERNAME);
if ((count = aac_check_health(aac)))
return count;
/*
* Wait for all commands to complete to this specific
* target (block maximum 60 seconds).
*/
for (count = 60; count; --count) {
int active = aac->in_reset;
if (active == 0)
__shost_for_each_device(dev, host) {
spin_lock_irqsave(&dev->list_lock, flags);
list_for_each_entry(command, &dev->cmd_list, list) {
if ((command != cmd) &&
(command->SCp.phase == AAC_OWNER_FIRMWARE)) {
active++;
break;
}
}
spin_unlock_irqrestore(&dev->list_lock, flags);
if (active)
break;
}
/*
* We can exit If all the commands are complete
*/
if (active == 0)
return SUCCESS;
ssleep(1);
}
printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
/*
* This adapter needs a blind reset, only do so for Adapters that
* support a register, instead of a commanded, reset.
*/
if (((aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_MU_RESET) ||
(aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_DOORBELL_RESET)) &&
aac_check_reset &&
((aac_check_reset != 1) ||
!(aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_IGNORE_RESET)))
aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
}
| Bypass | 0 | static int aac_eh_reset(struct scsi_cmnd* cmd)
{
struct scsi_device * dev = cmd->device;
struct Scsi_Host * host = dev->host;
struct scsi_cmnd * command;
int count;
struct aac_dev * aac = (struct aac_dev *)host->hostdata;
unsigned long flags;
/* Mark the associated FIB to not complete, eh handler does this */
for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct fib * fib = &aac->fibs[count];
if (fib->hw_fib_va->header.XferState &&
(fib->flags & FIB_CONTEXT_FLAG) &&
(fib->callback_data == cmd)) {
fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
}
}
printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
AAC_DRIVERNAME);
if ((count = aac_check_health(aac)))
return count;
/*
* Wait for all commands to complete to this specific
* target (block maximum 60 seconds).
*/
for (count = 60; count; --count) {
int active = aac->in_reset;
if (active == 0)
__shost_for_each_device(dev, host) {
spin_lock_irqsave(&dev->list_lock, flags);
list_for_each_entry(command, &dev->cmd_list, list) {
if ((command != cmd) &&
(command->SCp.phase == AAC_OWNER_FIRMWARE)) {
active++;
break;
}
}
spin_unlock_irqrestore(&dev->list_lock, flags);
if (active)
break;
}
/*
* We can exit If all the commands are complete
*/
if (active == 0)
return SUCCESS;
ssleep(1);
}
printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
/*
* This adapter needs a blind reset, only do so for Adapters that
* support a register, instead of a commanded, reset.
*/
if (((aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_MU_RESET) ||
(aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_DOORBELL_RESET)) &&
aac_check_reset &&
((aac_check_reset != 1) ||
!(aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_IGNORE_RESET)))
aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,752 | static void __exit aac_exit(void)
{
if (aac_cfg_major > -1)
unregister_chrdev(aac_cfg_major, "aac");
pci_unregister_driver(&aac_pci_driver);
}
| Bypass | 0 | static void __exit aac_exit(void)
{
if (aac_cfg_major > -1)
unregister_chrdev(aac_cfg_major, "aac");
pci_unregister_driver(&aac_pci_driver);
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,753 | struct aac_driver_ident* aac_get_driver_ident(int devtype)
{
return &aac_drivers[devtype];
}
| Bypass | 0 | struct aac_driver_ident* aac_get_driver_ident(int devtype)
{
return &aac_drivers[devtype];
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,754 | static const char *aac_info(struct Scsi_Host *shost)
{
struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
return aac_drivers[dev->cardtype].name;
}
| Bypass | 0 | static const char *aac_info(struct Scsi_Host *shost)
{
struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
return aac_drivers[dev->cardtype].name;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,755 | static int __init aac_init(void)
{
int error;
printk(KERN_INFO "Adaptec %s driver %s\n",
AAC_DRIVERNAME, aac_driver_version);
error = pci_register_driver(&aac_pci_driver);
if (error < 0)
return error;
aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
if (aac_cfg_major < 0) {
printk(KERN_WARNING
"aacraid: unable to register \"aac\" device.\n");
}
return 0;
}
| Bypass | 0 | static int __init aac_init(void)
{
int error;
printk(KERN_INFO "Adaptec %s driver %s\n",
AAC_DRIVERNAME, aac_driver_version);
error = pci_register_driver(&aac_pci_driver);
if (error < 0)
return error;
aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
if (aac_cfg_major < 0) {
printk(KERN_WARNING
"aacraid: unable to register \"aac\" device.\n");
}
return 0;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,756 | static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
unsigned index = id->driver_data;
struct Scsi_Host *shost;
struct aac_dev *aac;
struct list_head *insert = &aac_devices;
int error = -ENODEV;
int unique_id = 0;
u64 dmamask;
extern int aac_sync_mode;
list_for_each_entry(aac, &aac_devices, entry) {
if (aac->id > unique_id)
break;
insert = &aac->entry;
unique_id++;
}
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
PCIE_LINK_STATE_CLKPM);
error = pci_enable_device(pdev);
if (error)
goto out;
error = -ENODEV;
/*
* If the quirk31 bit is set, the adapter needs adapter
* to driver communication memory to be allocated below 2gig
*/
if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
dmamask = DMA_BIT_MASK(31);
else
dmamask = DMA_BIT_MASK(32);
if (pci_set_dma_mask(pdev, dmamask) ||
pci_set_consistent_dma_mask(pdev, dmamask))
goto out_disable_pdev;
pci_set_master(pdev);
shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
if (!shost)
goto out_disable_pdev;
shost->irq = pdev->irq;
shost->unique_id = unique_id;
shost->max_cmd_len = 16;
aac = (struct aac_dev *)shost->hostdata;
aac->base_start = pci_resource_start(pdev, 0);
aac->scsi_host_ptr = shost;
aac->pdev = pdev;
aac->name = aac_driver_template.name;
aac->id = shost->unique_id;
aac->cardtype = index;
INIT_LIST_HEAD(&aac->entry);
aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
if (!aac->fibs)
goto out_free_host;
spin_lock_init(&aac->fib_lock);
/*
* Map in the registers from the adapter.
*/
aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
if ((*aac_drivers[index].init)(aac))
goto out_unmap;
if (aac->sync_mode) {
if (aac_sync_mode)
printk(KERN_INFO "%s%d: Sync. mode enforced "
"by driver parameter. This will cause "
"a significant performance decrease!\n",
aac->name,
aac->id);
else
printk(KERN_INFO "%s%d: Async. mode not supported "
"by current driver, sync. mode enforced."
"\nPlease update driver to get full performance.\n",
aac->name,
aac->id);
}
/*
* Start any kernel threads needed
*/
aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
if (IS_ERR(aac->thread)) {
printk(KERN_ERR "aacraid: Unable to create command thread.\n");
error = PTR_ERR(aac->thread);
aac->thread = NULL;
goto out_deinit;
}
/*
* If we had set a smaller DMA mask earlier, set it to 4gig
* now since the adapter can dma data to at least a 4gig
* address space.
*/
if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
goto out_deinit;
aac->maximum_num_channels = aac_drivers[index].channels;
error = aac_get_adapter_info(aac);
if (error < 0)
goto out_deinit;
/*
* Lets override negotiations and drop the maximum SG limit to 34
*/
if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
(shost->sg_tablesize > 34)) {
shost->sg_tablesize = 34;
shost->max_sectors = (shost->sg_tablesize * 8) + 112;
}
if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
(shost->sg_tablesize > 17)) {
shost->sg_tablesize = 17;
shost->max_sectors = (shost->sg_tablesize * 8) + 112;
}
error = pci_set_dma_max_seg_size(pdev,
(aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
(shost->max_sectors << 9) : 65536);
if (error)
goto out_deinit;
/*
* Firmware printf works only with older firmware.
*/
if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
aac->printf_enabled = 1;
else
aac->printf_enabled = 0;
/*
* max channel will be the physical channels plus 1 virtual channel
* all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
* physical channels are address by their actual physical number+1
*/
if (aac->nondasd_support || expose_physicals || aac->jbod)
shost->max_channel = aac->maximum_num_channels;
else
shost->max_channel = 0;
aac_get_config_status(aac, 0);
aac_get_containers(aac);
list_add(&aac->entry, insert);
shost->max_id = aac->maximum_num_containers;
if (shost->max_id < aac->maximum_num_physicals)
shost->max_id = aac->maximum_num_physicals;
if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
shost->max_id = MAXIMUM_NUM_CONTAINERS;
else
shost->this_id = shost->max_id;
/*
* dmb - we may need to move the setting of these parms somewhere else once
* we get a fib that can report the actual numbers
*/
shost->max_lun = AAC_MAX_LUN;
pci_set_drvdata(pdev, shost);
error = scsi_add_host(shost, &pdev->dev);
if (error)
goto out_deinit;
scsi_scan_host(shost);
return 0;
out_deinit:
__aac_shutdown(aac);
out_unmap:
aac_fib_map_free(aac);
if (aac->comm_addr)
pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
aac->comm_phys);
kfree(aac->queues);
aac_adapter_ioremap(aac, 0);
kfree(aac->fibs);
kfree(aac->fsa_dev);
out_free_host:
scsi_host_put(shost);
out_disable_pdev:
pci_disable_device(pdev);
out:
return error;
}
| Bypass | 0 | static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
unsigned index = id->driver_data;
struct Scsi_Host *shost;
struct aac_dev *aac;
struct list_head *insert = &aac_devices;
int error = -ENODEV;
int unique_id = 0;
u64 dmamask;
extern int aac_sync_mode;
list_for_each_entry(aac, &aac_devices, entry) {
if (aac->id > unique_id)
break;
insert = &aac->entry;
unique_id++;
}
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
PCIE_LINK_STATE_CLKPM);
error = pci_enable_device(pdev);
if (error)
goto out;
error = -ENODEV;
/*
* If the quirk31 bit is set, the adapter needs adapter
* to driver communication memory to be allocated below 2gig
*/
if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
dmamask = DMA_BIT_MASK(31);
else
dmamask = DMA_BIT_MASK(32);
if (pci_set_dma_mask(pdev, dmamask) ||
pci_set_consistent_dma_mask(pdev, dmamask))
goto out_disable_pdev;
pci_set_master(pdev);
shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
if (!shost)
goto out_disable_pdev;
shost->irq = pdev->irq;
shost->unique_id = unique_id;
shost->max_cmd_len = 16;
aac = (struct aac_dev *)shost->hostdata;
aac->base_start = pci_resource_start(pdev, 0);
aac->scsi_host_ptr = shost;
aac->pdev = pdev;
aac->name = aac_driver_template.name;
aac->id = shost->unique_id;
aac->cardtype = index;
INIT_LIST_HEAD(&aac->entry);
aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
if (!aac->fibs)
goto out_free_host;
spin_lock_init(&aac->fib_lock);
/*
* Map in the registers from the adapter.
*/
aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
if ((*aac_drivers[index].init)(aac))
goto out_unmap;
if (aac->sync_mode) {
if (aac_sync_mode)
printk(KERN_INFO "%s%d: Sync. mode enforced "
"by driver parameter. This will cause "
"a significant performance decrease!\n",
aac->name,
aac->id);
else
printk(KERN_INFO "%s%d: Async. mode not supported "
"by current driver, sync. mode enforced."
"\nPlease update driver to get full performance.\n",
aac->name,
aac->id);
}
/*
* Start any kernel threads needed
*/
aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
if (IS_ERR(aac->thread)) {
printk(KERN_ERR "aacraid: Unable to create command thread.\n");
error = PTR_ERR(aac->thread);
aac->thread = NULL;
goto out_deinit;
}
/*
* If we had set a smaller DMA mask earlier, set it to 4gig
* now since the adapter can dma data to at least a 4gig
* address space.
*/
if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
goto out_deinit;
aac->maximum_num_channels = aac_drivers[index].channels;
error = aac_get_adapter_info(aac);
if (error < 0)
goto out_deinit;
/*
* Lets override negotiations and drop the maximum SG limit to 34
*/
if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
(shost->sg_tablesize > 34)) {
shost->sg_tablesize = 34;
shost->max_sectors = (shost->sg_tablesize * 8) + 112;
}
if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
(shost->sg_tablesize > 17)) {
shost->sg_tablesize = 17;
shost->max_sectors = (shost->sg_tablesize * 8) + 112;
}
error = pci_set_dma_max_seg_size(pdev,
(aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
(shost->max_sectors << 9) : 65536);
if (error)
goto out_deinit;
/*
* Firmware printf works only with older firmware.
*/
if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
aac->printf_enabled = 1;
else
aac->printf_enabled = 0;
/*
* max channel will be the physical channels plus 1 virtual channel
* all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
* physical channels are address by their actual physical number+1
*/
if (aac->nondasd_support || expose_physicals || aac->jbod)
shost->max_channel = aac->maximum_num_channels;
else
shost->max_channel = 0;
aac_get_config_status(aac, 0);
aac_get_containers(aac);
list_add(&aac->entry, insert);
shost->max_id = aac->maximum_num_containers;
if (shost->max_id < aac->maximum_num_physicals)
shost->max_id = aac->maximum_num_physicals;
if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
shost->max_id = MAXIMUM_NUM_CONTAINERS;
else
shost->this_id = shost->max_id;
/*
* dmb - we may need to move the setting of these parms somewhere else once
* we get a fib that can report the actual numbers
*/
shost->max_lun = AAC_MAX_LUN;
pci_set_drvdata(pdev, shost);
error = scsi_add_host(shost, &pdev->dev);
if (error)
goto out_deinit;
scsi_scan_host(shost);
return 0;
out_deinit:
__aac_shutdown(aac);
out_unmap:
aac_fib_map_free(aac);
if (aac->comm_addr)
pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
aac->comm_phys);
kfree(aac->queues);
aac_adapter_ioremap(aac, 0);
kfree(aac->fibs);
kfree(aac->fsa_dev);
out_free_host:
scsi_host_put(shost);
out_disable_pdev:
pci_disable_device(pdev);
out:
return error;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,757 | static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
struct Scsi_Host *host = cmd->device->host;
struct aac_dev *dev = (struct aac_dev *)host->hostdata;
u32 count = 0;
cmd->scsi_done = done;
for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct fib * fib = &dev->fibs[count];
struct scsi_cmnd * command;
if (fib->hw_fib_va->header.XferState &&
((command = fib->callback_data)) &&
(command == cmd) &&
(cmd->SCp.phase == AAC_OWNER_FIRMWARE))
return 0; /* Already owned by Adapter */
}
cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
return (aac_scsi_cmd(cmd) ? FAILED : 0);
}
| Bypass | 0 | static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
struct Scsi_Host *host = cmd->device->host;
struct aac_dev *dev = (struct aac_dev *)host->hostdata;
u32 count = 0;
cmd->scsi_done = done;
for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct fib * fib = &dev->fibs[count];
struct scsi_cmnd * command;
if (fib->hw_fib_va->header.XferState &&
((command = fib->callback_data)) &&
(command == cmd) &&
(cmd->SCp.phase == AAC_OWNER_FIRMWARE))
return 0; /* Already owned by Adapter */
}
cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
return (aac_scsi_cmd(cmd) ? FAILED : 0);
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,758 | static ssize_t aac_show_bios_version(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len, tmp;
tmp = le32_to_cpu(dev->adapter_info.biosrev);
len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
le32_to_cpu(dev->adapter_info.biosbuild));
return len;
}
| Bypass | 0 | static ssize_t aac_show_bios_version(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len, tmp;
tmp = le32_to_cpu(dev->adapter_info.biosrev);
len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
le32_to_cpu(dev->adapter_info.biosbuild));
return len;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,759 | static ssize_t aac_show_kernel_version(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len, tmp;
tmp = le32_to_cpu(dev->adapter_info.kernelrev);
len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
le32_to_cpu(dev->adapter_info.kernelbuild));
return len;
}
| Bypass | 0 | static ssize_t aac_show_kernel_version(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len, tmp;
tmp = le32_to_cpu(dev->adapter_info.kernelrev);
len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
le32_to_cpu(dev->adapter_info.kernelbuild));
return len;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,760 | static ssize_t aac_show_max_id(struct device *device,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n",
class_to_shost(device)->max_id);
}
| Bypass | 0 | static ssize_t aac_show_max_id(struct device *device,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n",
class_to_shost(device)->max_id);
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,761 | static ssize_t aac_show_model(struct device *device,
struct device_attribute *attr, char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len;
if (dev->supplement_adapter_info.AdapterTypeText[0]) {
char * cp = dev->supplement_adapter_info.AdapterTypeText;
while (*cp && *cp != ' ')
++cp;
while (*cp == ' ')
++cp;
len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
} else
len = snprintf(buf, PAGE_SIZE, "%s\n",
aac_drivers[dev->cardtype].model);
return len;
}
| Bypass | 0 | static ssize_t aac_show_model(struct device *device,
struct device_attribute *attr, char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len;
if (dev->supplement_adapter_info.AdapterTypeText[0]) {
char * cp = dev->supplement_adapter_info.AdapterTypeText;
while (*cp && *cp != ' ')
++cp;
while (*cp == ' ')
++cp;
len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
} else
len = snprintf(buf, PAGE_SIZE, "%s\n",
aac_drivers[dev->cardtype].model);
return len;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,762 | static ssize_t aac_show_monitor_version(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len, tmp;
tmp = le32_to_cpu(dev->adapter_info.monitorrev);
len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
le32_to_cpu(dev->adapter_info.monitorbuild));
return len;
}
| Bypass | 0 | static ssize_t aac_show_monitor_version(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len, tmp;
tmp = le32_to_cpu(dev->adapter_info.monitorrev);
len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
le32_to_cpu(dev->adapter_info.monitorbuild));
return len;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,763 | static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
if (sdev_channel(sdev) != CONTAINER_CHANNEL)
return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
? "Hidden\n" :
((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
return snprintf(buf, PAGE_SIZE, "%s\n",
get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
}
| Bypass | 0 | static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
if (sdev_channel(sdev) != CONTAINER_CHANNEL)
return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
? "Hidden\n" :
((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
return snprintf(buf, PAGE_SIZE, "%s\n",
get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,764 | static ssize_t aac_show_reset_adapter(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len, tmp;
tmp = aac_adapter_check_health(dev);
if ((tmp == 0) && dev->in_reset)
tmp = -EBUSY;
len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
return len;
}
| Bypass | 0 | static ssize_t aac_show_reset_adapter(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len, tmp;
tmp = aac_adapter_check_health(dev);
if ((tmp == 0) && dev->in_reset)
tmp = -EBUSY;
len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
return len;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,765 | static ssize_t aac_show_serial_number(struct device *device,
struct device_attribute *attr, char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len = 0;
if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
len = snprintf(buf, 16, "%06X\n",
le32_to_cpu(dev->adapter_info.serial[0]));
if (len &&
!memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
buf, len-1))
len = snprintf(buf, 16, "%.*s\n",
(int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
dev->supplement_adapter_info.MfgPcbaSerialNo);
return min(len, 16);
}
| Bypass | 0 | static ssize_t aac_show_serial_number(struct device *device,
struct device_attribute *attr, char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len = 0;
if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
len = snprintf(buf, 16, "%06X\n",
le32_to_cpu(dev->adapter_info.serial[0]));
if (len &&
!memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
buf, len-1))
len = snprintf(buf, 16, "%.*s\n",
(int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
dev->supplement_adapter_info.MfgPcbaSerialNo);
return min(len, 16);
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,766 | static ssize_t aac_show_vendor(struct device *device,
struct device_attribute *attr, char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len;
if (dev->supplement_adapter_info.AdapterTypeText[0]) {
char * cp = dev->supplement_adapter_info.AdapterTypeText;
while (*cp && *cp != ' ')
++cp;
len = snprintf(buf, PAGE_SIZE, "%.*s\n",
(int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
dev->supplement_adapter_info.AdapterTypeText);
} else
len = snprintf(buf, PAGE_SIZE, "%s\n",
aac_drivers[dev->cardtype].vname);
return len;
}
| Bypass | 0 | static ssize_t aac_show_vendor(struct device *device,
struct device_attribute *attr, char *buf)
{
struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
int len;
if (dev->supplement_adapter_info.AdapterTypeText[0]) {
char * cp = dev->supplement_adapter_info.AdapterTypeText;
while (*cp && *cp != ' ')
++cp;
len = snprintf(buf, PAGE_SIZE, "%.*s\n",
(int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
dev->supplement_adapter_info.AdapterTypeText);
} else
len = snprintf(buf, PAGE_SIZE, "%s\n",
aac_drivers[dev->cardtype].vname);
return len;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,767 | static void aac_shutdown(struct pci_dev *dev)
{
struct Scsi_Host *shost = pci_get_drvdata(dev);
scsi_block_requests(shost);
__aac_shutdown((struct aac_dev *)shost->hostdata);
}
| Bypass | 0 | static void aac_shutdown(struct pci_dev *dev)
{
struct Scsi_Host *shost = pci_get_drvdata(dev);
scsi_block_requests(shost);
__aac_shutdown((struct aac_dev *)shost->hostdata);
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,768 | static int aac_slave_configure(struct scsi_device *sdev)
{
struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
if (aac->jbod && (sdev->type == TYPE_DISK))
sdev->removable = 1;
if ((sdev->type == TYPE_DISK) &&
(sdev_channel(sdev) != CONTAINER_CHANNEL) &&
(!aac->jbod || sdev->inq_periph_qual) &&
(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
if (expose_physicals == 0)
return -ENXIO;
if (expose_physicals < 0)
sdev->no_uld_attach = 1;
}
if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
!sdev->no_uld_attach) {
struct scsi_device * dev;
struct Scsi_Host *host = sdev->host;
unsigned num_lsu = 0;
unsigned num_one = 0;
unsigned depth;
unsigned cid;
/*
* Firmware has an individual device recovery time typically
* of 35 seconds, give us a margin.
*/
if (sdev->request_queue->rq_timeout < (45 * HZ))
blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
for (cid = 0; cid < aac->maximum_num_containers; ++cid)
if (aac->fsa_dev[cid].valid)
++num_lsu;
__shost_for_each_device(dev, host) {
if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
(!aac->raid_scsi_mode ||
(sdev_channel(sdev) != 2)) &&
!dev->no_uld_attach) {
if ((sdev_channel(dev) != CONTAINER_CHANNEL)
|| !aac->fsa_dev[sdev_id(dev)].valid)
++num_lsu;
} else
++num_one;
}
if (num_lsu == 0)
++num_lsu;
depth = (host->can_queue - num_one) / num_lsu;
if (depth > 256)
depth = 256;
else if (depth < 2)
depth = 2;
scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
} else
scsi_adjust_queue_depth(sdev, 0, 1);
return 0;
}
| Bypass | 0 | static int aac_slave_configure(struct scsi_device *sdev)
{
struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
if (aac->jbod && (sdev->type == TYPE_DISK))
sdev->removable = 1;
if ((sdev->type == TYPE_DISK) &&
(sdev_channel(sdev) != CONTAINER_CHANNEL) &&
(!aac->jbod || sdev->inq_periph_qual) &&
(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
if (expose_physicals == 0)
return -ENXIO;
if (expose_physicals < 0)
sdev->no_uld_attach = 1;
}
if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
!sdev->no_uld_attach) {
struct scsi_device * dev;
struct Scsi_Host *host = sdev->host;
unsigned num_lsu = 0;
unsigned num_one = 0;
unsigned depth;
unsigned cid;
/*
* Firmware has an individual device recovery time typically
* of 35 seconds, give us a margin.
*/
if (sdev->request_queue->rq_timeout < (45 * HZ))
blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
for (cid = 0; cid < aac->maximum_num_containers; ++cid)
if (aac->fsa_dev[cid].valid)
++num_lsu;
__shost_for_each_device(dev, host) {
if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
(!aac->raid_scsi_mode ||
(sdev_channel(sdev) != 2)) &&
!dev->no_uld_attach) {
if ((sdev_channel(dev) != CONTAINER_CHANNEL)
|| !aac->fsa_dev[sdev_id(dev)].valid)
++num_lsu;
} else
++num_one;
}
if (num_lsu == 0)
++num_lsu;
depth = (host->can_queue - num_one) / num_lsu;
if (depth > 256)
depth = 256;
else if (depth < 2)
depth = 2;
scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
} else
scsi_adjust_queue_depth(sdev, 0, 1);
return 0;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,769 | static ssize_t aac_store_reset_adapter(struct device *device,
struct device_attribute *attr,
const char *buf, size_t count)
{
int retval = -EACCES;
if (!capable(CAP_SYS_ADMIN))
return retval;
retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
if (retval >= 0)
retval = count;
return retval;
}
| Bypass | 0 | static ssize_t aac_store_reset_adapter(struct device *device,
struct device_attribute *attr,
const char *buf, size_t count)
{
int retval = -EACCES;
if (!capable(CAP_SYS_ADMIN))
return retval;
retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
if (retval >= 0)
retval = count;
return retval;
}
| @@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
}
| CWE-264 | null | null |
22,770 | static long __qeth_check_irb_error(struct ccw_device *cdev,
unsigned long intparm, struct irb *irb)
{
struct qeth_card *card;
card = CARD_FROM_CDEV(cdev);
if (!IS_ERR(irb))
return 0;
switch (PTR_ERR(irb)) {
case -EIO:
QETH_DBF_MESSAGE(2, "%s i/o-error on device\n",
dev_name(&cdev->dev));
QETH_CARD_TEXT(card, 2, "ckirberr");
QETH_CARD_TEXT_(card, 2, " rc%d", -EIO);
break;
case -ETIMEDOUT:
dev_warn(&cdev->dev, "A hardware operation timed out"
" on the device\n");
QETH_CARD_TEXT(card, 2, "ckirberr");
QETH_CARD_TEXT_(card, 2, " rc%d", -ETIMEDOUT);
if (intparm == QETH_RCD_PARM) {
if (card && (card->data.ccwdev == cdev)) {
card->data.state = CH_STATE_DOWN;
wake_up(&card->wait_q);
}
}
break;
default:
QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n",
dev_name(&cdev->dev), PTR_ERR(irb));
QETH_CARD_TEXT(card, 2, "ckirberr");
QETH_CARD_TEXT(card, 2, " rc???");
}
return PTR_ERR(irb);
}
| DoS Overflow | 0 | static long __qeth_check_irb_error(struct ccw_device *cdev,
unsigned long intparm, struct irb *irb)
{
struct qeth_card *card;
card = CARD_FROM_CDEV(cdev);
if (!IS_ERR(irb))
return 0;
switch (PTR_ERR(irb)) {
case -EIO:
QETH_DBF_MESSAGE(2, "%s i/o-error on device\n",
dev_name(&cdev->dev));
QETH_CARD_TEXT(card, 2, "ckirberr");
QETH_CARD_TEXT_(card, 2, " rc%d", -EIO);
break;
case -ETIMEDOUT:
dev_warn(&cdev->dev, "A hardware operation timed out"
" on the device\n");
QETH_CARD_TEXT(card, 2, "ckirberr");
QETH_CARD_TEXT_(card, 2, " rc%d", -ETIMEDOUT);
if (intparm == QETH_RCD_PARM) {
if (card && (card->data.ccwdev == cdev)) {
card->data.state = CH_STATE_DOWN;
wake_up(&card->wait_q);
}
}
break;
default:
QETH_DBF_MESSAGE(2, "%s unknown error %ld on device\n",
dev_name(&cdev->dev), PTR_ERR(irb));
QETH_CARD_TEXT(card, 2, "ckirberr");
QETH_CARD_TEXT(card, 2, " rc???");
}
return PTR_ERR(irb);
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,771 | static int __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
{
unsigned long flags;
int rc = 0;
spin_lock_irqsave(&card->thread_mask_lock, flags);
if (card->thread_start_mask & thread) {
if ((card->thread_allowed_mask & thread) &&
!(card->thread_running_mask & thread)) {
rc = 1;
card->thread_start_mask &= ~thread;
card->thread_running_mask |= thread;
} else
rc = -EPERM;
}
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
return rc;
}
| DoS Overflow | 0 | static int __qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
{
unsigned long flags;
int rc = 0;
spin_lock_irqsave(&card->thread_mask_lock, flags);
if (card->thread_start_mask & thread) {
if ((card->thread_allowed_mask & thread) &&
!(card->thread_running_mask & thread)) {
rc = 1;
card->thread_start_mask &= ~thread;
card->thread_running_mask |= thread;
} else
rc = -EPERM;
}
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
return rc;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,772 | static inline void __qeth_fill_buffer(struct sk_buff *skb,
struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill,
int offset)
{
int length = skb->len - skb->data_len;
int length_here;
int element;
char *data;
int first_lap, cnt;
struct skb_frag_struct *frag;
element = *next_element_to_fill;
data = skb->data;
first_lap = (is_tso == 0 ? 1 : 0);
if (offset >= 0) {
data = skb->data + offset;
length -= offset;
first_lap = 0;
}
while (length > 0) {
/* length_here is the remaining amount of data in this page */
length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
if (length < length_here)
length_here = length;
buffer->element[element].addr = data;
buffer->element[element].length = length_here;
length -= length_here;
if (!length) {
if (first_lap)
if (skb_shinfo(skb)->nr_frags)
buffer->element[element].eflags =
SBAL_EFLAGS_FIRST_FRAG;
else
buffer->element[element].eflags = 0;
else
buffer->element[element].eflags =
SBAL_EFLAGS_MIDDLE_FRAG;
} else {
if (first_lap)
buffer->element[element].eflags =
SBAL_EFLAGS_FIRST_FRAG;
else
buffer->element[element].eflags =
SBAL_EFLAGS_MIDDLE_FRAG;
}
data += length_here;
element++;
first_lap = 0;
}
for (cnt = 0; cnt < skb_shinfo(skb)->nr_frags; cnt++) {
frag = &skb_shinfo(skb)->frags[cnt];
data = (char *)page_to_phys(skb_frag_page(frag)) +
frag->page_offset;
length = frag->size;
while (length > 0) {
length_here = PAGE_SIZE -
((unsigned long) data % PAGE_SIZE);
if (length < length_here)
length_here = length;
buffer->element[element].addr = data;
buffer->element[element].length = length_here;
buffer->element[element].eflags =
SBAL_EFLAGS_MIDDLE_FRAG;
length -= length_here;
data += length_here;
element++;
}
}
if (buffer->element[element - 1].eflags)
buffer->element[element - 1].eflags = SBAL_EFLAGS_LAST_FRAG;
*next_element_to_fill = element;
}
| DoS Overflow | 0 | static inline void __qeth_fill_buffer(struct sk_buff *skb,
struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill,
int offset)
{
int length = skb->len - skb->data_len;
int length_here;
int element;
char *data;
int first_lap, cnt;
struct skb_frag_struct *frag;
element = *next_element_to_fill;
data = skb->data;
first_lap = (is_tso == 0 ? 1 : 0);
if (offset >= 0) {
data = skb->data + offset;
length -= offset;
first_lap = 0;
}
while (length > 0) {
/* length_here is the remaining amount of data in this page */
length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE);
if (length < length_here)
length_here = length;
buffer->element[element].addr = data;
buffer->element[element].length = length_here;
length -= length_here;
if (!length) {
if (first_lap)
if (skb_shinfo(skb)->nr_frags)
buffer->element[element].eflags =
SBAL_EFLAGS_FIRST_FRAG;
else
buffer->element[element].eflags = 0;
else
buffer->element[element].eflags =
SBAL_EFLAGS_MIDDLE_FRAG;
} else {
if (first_lap)
buffer->element[element].eflags =
SBAL_EFLAGS_FIRST_FRAG;
else
buffer->element[element].eflags =
SBAL_EFLAGS_MIDDLE_FRAG;
}
data += length_here;
element++;
first_lap = 0;
}
for (cnt = 0; cnt < skb_shinfo(skb)->nr_frags; cnt++) {
frag = &skb_shinfo(skb)->frags[cnt];
data = (char *)page_to_phys(skb_frag_page(frag)) +
frag->page_offset;
length = frag->size;
while (length > 0) {
length_here = PAGE_SIZE -
((unsigned long) data % PAGE_SIZE);
if (length < length_here)
length_here = length;
buffer->element[element].addr = data;
buffer->element[element].length = length_here;
buffer->element[element].eflags =
SBAL_EFLAGS_MIDDLE_FRAG;
length -= length_here;
data += length_here;
element++;
}
}
if (buffer->element[element - 1].eflags)
buffer->element[element - 1].eflags = SBAL_EFLAGS_LAST_FRAG;
*next_element_to_fill = element;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,773 | static struct qeth_cmd_buffer *__qeth_get_buffer(struct qeth_channel *channel)
{
__u8 index;
QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "getbuff");
index = channel->io_buf_no;
do {
if (channel->iob[index].state == BUF_STATE_FREE) {
channel->iob[index].state = BUF_STATE_LOCKED;
channel->io_buf_no = (channel->io_buf_no + 1) %
QETH_CMD_BUFFER_NO;
memset(channel->iob[index].data, 0, QETH_BUFSIZE);
return channel->iob + index;
}
index = (index + 1) % QETH_CMD_BUFFER_NO;
} while (index != channel->io_buf_no);
return NULL;
}
| DoS Overflow | 0 | static struct qeth_cmd_buffer *__qeth_get_buffer(struct qeth_channel *channel)
{
__u8 index;
QETH_CARD_TEXT(CARD_FROM_CDEV(channel->ccwdev), 6, "getbuff");
index = channel->io_buf_no;
do {
if (channel->iob[index].state == BUF_STATE_FREE) {
channel->iob[index].state = BUF_STATE_LOCKED;
channel->io_buf_no = (channel->io_buf_no + 1) %
QETH_CMD_BUFFER_NO;
memset(channel->iob[index].data, 0, QETH_BUFSIZE);
return channel->iob + index;
}
index = (index + 1) % QETH_CMD_BUFFER_NO;
} while (index != channel->io_buf_no);
return NULL;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,774 | static int qeth_add_dbf_entry(struct qeth_card *card, char *name)
{
struct qeth_dbf_entry *new_entry;
card->debug = debug_register(name, 2, 1, 8);
if (!card->debug) {
QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf");
goto err;
}
if (debug_register_view(card->debug, &debug_hex_ascii_view))
goto err_dbg;
new_entry = kzalloc(sizeof(struct qeth_dbf_entry), GFP_KERNEL);
if (!new_entry)
goto err_dbg;
strncpy(new_entry->dbf_name, name, DBF_NAME_LEN);
new_entry->dbf_info = card->debug;
mutex_lock(&qeth_dbf_list_mutex);
list_add(&new_entry->dbf_list, &qeth_dbf_list);
mutex_unlock(&qeth_dbf_list_mutex);
return 0;
err_dbg:
debug_unregister(card->debug);
err:
return -ENOMEM;
}
| DoS Overflow | 0 | static int qeth_add_dbf_entry(struct qeth_card *card, char *name)
{
struct qeth_dbf_entry *new_entry;
card->debug = debug_register(name, 2, 1, 8);
if (!card->debug) {
QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf");
goto err;
}
if (debug_register_view(card->debug, &debug_hex_ascii_view))
goto err_dbg;
new_entry = kzalloc(sizeof(struct qeth_dbf_entry), GFP_KERNEL);
if (!new_entry)
goto err_dbg;
strncpy(new_entry->dbf_name, name, DBF_NAME_LEN);
new_entry->dbf_info = card->debug;
mutex_lock(&qeth_dbf_list_mutex);
list_add(&new_entry->dbf_list, &qeth_dbf_list);
mutex_unlock(&qeth_dbf_list_mutex);
return 0;
err_dbg:
debug_unregister(card->debug);
err:
return -ENOMEM;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,775 | static int qeth_alloc_buffer_pool(struct qeth_card *card)
{
struct qeth_buffer_pool_entry *pool_entry;
void *ptr;
int i, j;
QETH_CARD_TEXT(card, 5, "alocpool");
for (i = 0; i < card->qdio.init_pool.buf_count; ++i) {
pool_entry = kzalloc(sizeof(*pool_entry), GFP_KERNEL);
if (!pool_entry) {
qeth_free_buffer_pool(card);
return -ENOMEM;
}
for (j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j) {
ptr = (void *) __get_free_page(GFP_KERNEL);
if (!ptr) {
while (j > 0)
free_page((unsigned long)
pool_entry->elements[--j]);
kfree(pool_entry);
qeth_free_buffer_pool(card);
return -ENOMEM;
}
pool_entry->elements[j] = ptr;
}
list_add(&pool_entry->init_list,
&card->qdio.init_pool.entry_list);
}
return 0;
}
| DoS Overflow | 0 | static int qeth_alloc_buffer_pool(struct qeth_card *card)
{
struct qeth_buffer_pool_entry *pool_entry;
void *ptr;
int i, j;
QETH_CARD_TEXT(card, 5, "alocpool");
for (i = 0; i < card->qdio.init_pool.buf_count; ++i) {
pool_entry = kzalloc(sizeof(*pool_entry), GFP_KERNEL);
if (!pool_entry) {
qeth_free_buffer_pool(card);
return -ENOMEM;
}
for (j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j) {
ptr = (void *) __get_free_page(GFP_KERNEL);
if (!ptr) {
while (j > 0)
free_page((unsigned long)
pool_entry->elements[--j]);
kfree(pool_entry);
qeth_free_buffer_pool(card);
return -ENOMEM;
}
pool_entry->elements[j] = ptr;
}
list_add(&pool_entry->init_list,
&card->qdio.init_pool.entry_list);
}
return 0;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,776 | static inline int qeth_alloc_cq(struct qeth_card *card)
{
int rc;
if (card->options.cq == QETH_CQ_ENABLED) {
int i;
struct qdio_outbuf_state *outbuf_states;
QETH_DBF_TEXT(SETUP, 2, "cqon");
card->qdio.c_q = kzalloc(sizeof(struct qeth_qdio_q),
GFP_KERNEL);
if (!card->qdio.c_q) {
rc = -1;
goto kmsg_out;
}
QETH_DBF_HEX(SETUP, 2, &card->qdio.c_q, sizeof(void *));
for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
card->qdio.c_q->bufs[i].buffer =
&card->qdio.c_q->qdio_bufs[i];
}
card->qdio.no_in_queues = 2;
card->qdio.out_bufstates =
kzalloc(card->qdio.no_out_queues *
QDIO_MAX_BUFFERS_PER_Q *
sizeof(struct qdio_outbuf_state), GFP_KERNEL);
outbuf_states = card->qdio.out_bufstates;
if (outbuf_states == NULL) {
rc = -1;
goto free_cq_out;
}
for (i = 0; i < card->qdio.no_out_queues; ++i) {
card->qdio.out_qs[i]->bufstates = outbuf_states;
outbuf_states += QDIO_MAX_BUFFERS_PER_Q;
}
} else {
QETH_DBF_TEXT(SETUP, 2, "nocq");
card->qdio.c_q = NULL;
card->qdio.no_in_queues = 1;
}
QETH_DBF_TEXT_(SETUP, 2, "iqc%d", card->qdio.no_in_queues);
rc = 0;
out:
return rc;
free_cq_out:
kfree(card->qdio.c_q);
card->qdio.c_q = NULL;
kmsg_out:
dev_err(&card->gdev->dev, "Failed to create completion queue\n");
goto out;
}
| DoS Overflow | 0 | static inline int qeth_alloc_cq(struct qeth_card *card)
{
int rc;
if (card->options.cq == QETH_CQ_ENABLED) {
int i;
struct qdio_outbuf_state *outbuf_states;
QETH_DBF_TEXT(SETUP, 2, "cqon");
card->qdio.c_q = kzalloc(sizeof(struct qeth_qdio_q),
GFP_KERNEL);
if (!card->qdio.c_q) {
rc = -1;
goto kmsg_out;
}
QETH_DBF_HEX(SETUP, 2, &card->qdio.c_q, sizeof(void *));
for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
card->qdio.c_q->bufs[i].buffer =
&card->qdio.c_q->qdio_bufs[i];
}
card->qdio.no_in_queues = 2;
card->qdio.out_bufstates =
kzalloc(card->qdio.no_out_queues *
QDIO_MAX_BUFFERS_PER_Q *
sizeof(struct qdio_outbuf_state), GFP_KERNEL);
outbuf_states = card->qdio.out_bufstates;
if (outbuf_states == NULL) {
rc = -1;
goto free_cq_out;
}
for (i = 0; i < card->qdio.no_out_queues; ++i) {
card->qdio.out_qs[i]->bufstates = outbuf_states;
outbuf_states += QDIO_MAX_BUFFERS_PER_Q;
}
} else {
QETH_DBF_TEXT(SETUP, 2, "nocq");
card->qdio.c_q = NULL;
card->qdio.no_in_queues = 1;
}
QETH_DBF_TEXT_(SETUP, 2, "iqc%d", card->qdio.no_in_queues);
rc = 0;
out:
return rc;
free_cq_out:
kfree(card->qdio.c_q);
card->qdio.c_q = NULL;
kmsg_out:
dev_err(&card->gdev->dev, "Failed to create completion queue\n");
goto out;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,777 | static int qeth_alloc_qdio_buffers(struct qeth_card *card)
{
int i, j;
QETH_DBF_TEXT(SETUP, 2, "allcqdbf");
if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
return 0;
card->qdio.in_q = kzalloc(sizeof(struct qeth_qdio_q),
GFP_KERNEL);
if (!card->qdio.in_q)
goto out_nomem;
QETH_DBF_TEXT(SETUP, 2, "inq");
QETH_DBF_HEX(SETUP, 2, &card->qdio.in_q, sizeof(void *));
memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
/* give inbound qeth_qdio_buffers their qdio_buffers */
for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
card->qdio.in_q->bufs[i].buffer =
&card->qdio.in_q->qdio_bufs[i];
card->qdio.in_q->bufs[i].rx_skb = NULL;
}
/* inbound buffer pool */
if (qeth_alloc_buffer_pool(card))
goto out_freeinq;
/* outbound */
card->qdio.out_qs =
kzalloc(card->qdio.no_out_queues *
sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
if (!card->qdio.out_qs)
goto out_freepool;
for (i = 0; i < card->qdio.no_out_queues; ++i) {
card->qdio.out_qs[i] = kzalloc(sizeof(struct qeth_qdio_out_q),
GFP_KERNEL);
if (!card->qdio.out_qs[i])
goto out_freeoutq;
QETH_DBF_TEXT_(SETUP, 2, "outq %i", i);
QETH_DBF_HEX(SETUP, 2, &card->qdio.out_qs[i], sizeof(void *));
card->qdio.out_qs[i]->queue_no = i;
/* give outbound qeth_qdio_buffers their qdio_buffers */
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
WARN_ON(card->qdio.out_qs[i]->bufs[j] != NULL);
if (qeth_init_qdio_out_buf(card->qdio.out_qs[i], j))
goto out_freeoutqbufs;
}
}
/* completion */
if (qeth_alloc_cq(card))
goto out_freeoutq;
return 0;
out_freeoutqbufs:
while (j > 0) {
--j;
kmem_cache_free(qeth_qdio_outbuf_cache,
card->qdio.out_qs[i]->bufs[j]);
card->qdio.out_qs[i]->bufs[j] = NULL;
}
out_freeoutq:
while (i > 0) {
kfree(card->qdio.out_qs[--i]);
qeth_clear_outq_buffers(card->qdio.out_qs[i], 1);
}
kfree(card->qdio.out_qs);
card->qdio.out_qs = NULL;
out_freepool:
qeth_free_buffer_pool(card);
out_freeinq:
kfree(card->qdio.in_q);
card->qdio.in_q = NULL;
out_nomem:
atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
return -ENOMEM;
}
| DoS Overflow | 0 | static int qeth_alloc_qdio_buffers(struct qeth_card *card)
{
int i, j;
QETH_DBF_TEXT(SETUP, 2, "allcqdbf");
if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
return 0;
card->qdio.in_q = kzalloc(sizeof(struct qeth_qdio_q),
GFP_KERNEL);
if (!card->qdio.in_q)
goto out_nomem;
QETH_DBF_TEXT(SETUP, 2, "inq");
QETH_DBF_HEX(SETUP, 2, &card->qdio.in_q, sizeof(void *));
memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q));
/* give inbound qeth_qdio_buffers their qdio_buffers */
for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) {
card->qdio.in_q->bufs[i].buffer =
&card->qdio.in_q->qdio_bufs[i];
card->qdio.in_q->bufs[i].rx_skb = NULL;
}
/* inbound buffer pool */
if (qeth_alloc_buffer_pool(card))
goto out_freeinq;
/* outbound */
card->qdio.out_qs =
kzalloc(card->qdio.no_out_queues *
sizeof(struct qeth_qdio_out_q *), GFP_KERNEL);
if (!card->qdio.out_qs)
goto out_freepool;
for (i = 0; i < card->qdio.no_out_queues; ++i) {
card->qdio.out_qs[i] = kzalloc(sizeof(struct qeth_qdio_out_q),
GFP_KERNEL);
if (!card->qdio.out_qs[i])
goto out_freeoutq;
QETH_DBF_TEXT_(SETUP, 2, "outq %i", i);
QETH_DBF_HEX(SETUP, 2, &card->qdio.out_qs[i], sizeof(void *));
card->qdio.out_qs[i]->queue_no = i;
/* give outbound qeth_qdio_buffers their qdio_buffers */
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
WARN_ON(card->qdio.out_qs[i]->bufs[j] != NULL);
if (qeth_init_qdio_out_buf(card->qdio.out_qs[i], j))
goto out_freeoutqbufs;
}
}
/* completion */
if (qeth_alloc_cq(card))
goto out_freeoutq;
return 0;
out_freeoutqbufs:
while (j > 0) {
--j;
kmem_cache_free(qeth_qdio_outbuf_cache,
card->qdio.out_qs[i]->bufs[j]);
card->qdio.out_qs[i]->bufs[j] = NULL;
}
out_freeoutq:
while (i > 0) {
kfree(card->qdio.out_qs[--i]);
qeth_clear_outq_buffers(card->qdio.out_qs[i], 1);
}
kfree(card->qdio.out_qs);
card->qdio.out_qs = NULL;
out_freepool:
qeth_free_buffer_pool(card);
out_freeinq:
kfree(card->qdio.in_q);
card->qdio.in_q = NULL;
out_nomem:
atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
return -ENOMEM;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,778 | static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card)
{
struct qeth_reply *reply;
reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
if (reply) {
atomic_set(&reply->refcnt, 1);
atomic_set(&reply->received, 0);
reply->card = card;
}
return reply;
}
| DoS Overflow | 0 | static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card)
{
struct qeth_reply *reply;
reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
if (reply) {
atomic_set(&reply->refcnt, 1);
atomic_set(&reply->received, 0);
reply->card = card;
}
return reply;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,779 | static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
{
struct qeth_ipa_cmd *cmd = NULL;
QETH_CARD_TEXT(card, 5, "chkipad");
if (IS_IPA(iob->data)) {
cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
if (IS_IPA_REPLY(cmd)) {
if (cmd->hdr.command != IPA_CMD_SETCCID &&
cmd->hdr.command != IPA_CMD_DELCCID &&
cmd->hdr.command != IPA_CMD_MODCCID &&
cmd->hdr.command != IPA_CMD_SET_DIAG_ASS)
qeth_issue_ipa_msg(cmd,
cmd->hdr.return_code, card);
return cmd;
} else {
switch (cmd->hdr.command) {
case IPA_CMD_STOPLAN:
if (cmd->hdr.return_code ==
IPA_RC_VEPA_TO_VEB_TRANSITION) {
dev_err(&card->gdev->dev,
"Interface %s is down because the "
"adjacent port is no longer in "
"reflective relay mode\n",
QETH_CARD_IFNAME(card));
qeth_close_dev(card);
} else {
dev_warn(&card->gdev->dev,
"The link for interface %s on CHPID"
" 0x%X failed\n",
QETH_CARD_IFNAME(card),
card->info.chpid);
qeth_issue_ipa_msg(cmd,
cmd->hdr.return_code, card);
}
card->lan_online = 0;
if (card->dev && netif_carrier_ok(card->dev))
netif_carrier_off(card->dev);
return NULL;
case IPA_CMD_STARTLAN:
dev_info(&card->gdev->dev,
"The link for %s on CHPID 0x%X has"
" been restored\n",
QETH_CARD_IFNAME(card),
card->info.chpid);
netif_carrier_on(card->dev);
card->lan_online = 1;
if (card->info.hwtrap)
card->info.hwtrap = 2;
qeth_schedule_recovery(card);
return NULL;
case IPA_CMD_MODCCID:
return cmd;
case IPA_CMD_REGISTER_LOCAL_ADDR:
QETH_CARD_TEXT(card, 3, "irla");
break;
case IPA_CMD_UNREGISTER_LOCAL_ADDR:
QETH_CARD_TEXT(card, 3, "urla");
break;
default:
QETH_DBF_MESSAGE(2, "Received data is IPA "
"but not a reply!\n");
break;
}
}
}
return cmd;
}
| DoS Overflow | 0 | static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
{
struct qeth_ipa_cmd *cmd = NULL;
QETH_CARD_TEXT(card, 5, "chkipad");
if (IS_IPA(iob->data)) {
cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data);
if (IS_IPA_REPLY(cmd)) {
if (cmd->hdr.command != IPA_CMD_SETCCID &&
cmd->hdr.command != IPA_CMD_DELCCID &&
cmd->hdr.command != IPA_CMD_MODCCID &&
cmd->hdr.command != IPA_CMD_SET_DIAG_ASS)
qeth_issue_ipa_msg(cmd,
cmd->hdr.return_code, card);
return cmd;
} else {
switch (cmd->hdr.command) {
case IPA_CMD_STOPLAN:
if (cmd->hdr.return_code ==
IPA_RC_VEPA_TO_VEB_TRANSITION) {
dev_err(&card->gdev->dev,
"Interface %s is down because the "
"adjacent port is no longer in "
"reflective relay mode\n",
QETH_CARD_IFNAME(card));
qeth_close_dev(card);
} else {
dev_warn(&card->gdev->dev,
"The link for interface %s on CHPID"
" 0x%X failed\n",
QETH_CARD_IFNAME(card),
card->info.chpid);
qeth_issue_ipa_msg(cmd,
cmd->hdr.return_code, card);
}
card->lan_online = 0;
if (card->dev && netif_carrier_ok(card->dev))
netif_carrier_off(card->dev);
return NULL;
case IPA_CMD_STARTLAN:
dev_info(&card->gdev->dev,
"The link for %s on CHPID 0x%X has"
" been restored\n",
QETH_CARD_IFNAME(card),
card->info.chpid);
netif_carrier_on(card->dev);
card->lan_online = 1;
if (card->info.hwtrap)
card->info.hwtrap = 2;
qeth_schedule_recovery(card);
return NULL;
case IPA_CMD_MODCCID:
return cmd;
case IPA_CMD_REGISTER_LOCAL_ADDR:
QETH_CARD_TEXT(card, 3, "irla");
break;
case IPA_CMD_UNREGISTER_LOCAL_ADDR:
QETH_CARD_TEXT(card, 3, "urla");
break;
default:
QETH_DBF_MESSAGE(2, "Received data is IPA "
"but not a reply!\n");
break;
}
}
}
return cmd;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,780 | static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
{
int index;
int flush_cnt = 0;
int q_was_packing = 0;
/*
* check if weed have to switch to non-packing mode or if
* we have to get a pci flag out on the queue
*/
if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
!atomic_read(&queue->set_pci_flags_count)) {
if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
QETH_OUT_Q_UNLOCKED) {
/*
* If we get in here, there was no action in
* do_send_packet. So, we check if there is a
* packing buffer to be flushed here.
*/
netif_stop_queue(queue->card->dev);
index = queue->next_buf_to_fill;
q_was_packing = queue->do_pack;
/* queue->do_pack may change */
barrier();
flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
if (!flush_cnt &&
!atomic_read(&queue->set_pci_flags_count))
flush_cnt +=
qeth_flush_buffers_on_no_pci(queue);
if (queue->card->options.performance_stats &&
q_was_packing)
queue->card->perf_stats.bufs_sent_pack +=
flush_cnt;
if (flush_cnt)
qeth_flush_buffers(queue, index, flush_cnt);
atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
}
}
}
| DoS Overflow | 0 | static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
{
int index;
int flush_cnt = 0;
int q_was_packing = 0;
/*
* check if weed have to switch to non-packing mode or if
* we have to get a pci flag out on the queue
*/
if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
!atomic_read(&queue->set_pci_flags_count)) {
if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
QETH_OUT_Q_UNLOCKED) {
/*
* If we get in here, there was no action in
* do_send_packet. So, we check if there is a
* packing buffer to be flushed here.
*/
netif_stop_queue(queue->card->dev);
index = queue->next_buf_to_fill;
q_was_packing = queue->do_pack;
/* queue->do_pack may change */
barrier();
flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
if (!flush_cnt &&
!atomic_read(&queue->set_pci_flags_count))
flush_cnt +=
qeth_flush_buffers_on_no_pci(queue);
if (queue->card->options.performance_stats &&
q_was_packing)
queue->card->perf_stats.bufs_sent_pack +=
flush_cnt;
if (flush_cnt)
qeth_flush_buffers(queue, index, flush_cnt);
atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
}
}
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,781 | int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf,
unsigned int qdio_error, const char *dbftext)
{
if (qdio_error) {
QETH_CARD_TEXT(card, 2, dbftext);
QETH_CARD_TEXT_(card, 2, " F15=%02X",
buf->element[15].sflags);
QETH_CARD_TEXT_(card, 2, " F14=%02X",
buf->element[14].sflags);
QETH_CARD_TEXT_(card, 2, " qerr=%X", qdio_error);
if ((buf->element[15].sflags) == 0x12) {
card->stats.rx_dropped++;
return 0;
} else
return 1;
}
return 0;
}
| DoS Overflow | 0 | int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf,
unsigned int qdio_error, const char *dbftext)
{
if (qdio_error) {
QETH_CARD_TEXT(card, 2, dbftext);
QETH_CARD_TEXT_(card, 2, " F15=%02X",
buf->element[15].sflags);
QETH_CARD_TEXT_(card, 2, " F14=%02X",
buf->element[14].sflags);
QETH_CARD_TEXT_(card, 2, " qerr=%X", qdio_error);
if ((buf->element[15].sflags) == 0x12) {
card->stats.rx_dropped++;
return 0;
} else
return 1;
}
return 0;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,782 | static inline void qeth_cleanup_handled_pending(struct qeth_qdio_out_q *q,
int bidx, int forced_cleanup)
{
if (q->card->options.cq != QETH_CQ_ENABLED)
return;
if (q->bufs[bidx]->next_pending != NULL) {
struct qeth_qdio_out_buffer *head = q->bufs[bidx];
struct qeth_qdio_out_buffer *c = q->bufs[bidx]->next_pending;
while (c) {
if (forced_cleanup ||
atomic_read(&c->state) ==
QETH_QDIO_BUF_HANDLED_DELAYED) {
struct qeth_qdio_out_buffer *f = c;
QETH_CARD_TEXT(f->q->card, 5, "fp");
QETH_CARD_TEXT_(f->q->card, 5, "%lx", (long) f);
/* release here to avoid interleaving between
outbound tasklet and inbound tasklet
regarding notifications and lifecycle */
qeth_release_skbs(c);
c = f->next_pending;
WARN_ON_ONCE(head->next_pending != f);
head->next_pending = c;
kmem_cache_free(qeth_qdio_outbuf_cache, f);
} else {
head = c;
c = c->next_pending;
}
}
}
if (forced_cleanup && (atomic_read(&(q->bufs[bidx]->state)) ==
QETH_QDIO_BUF_HANDLED_DELAYED)) {
/* for recovery situations */
q->bufs[bidx]->aob = q->bufstates[bidx].aob;
qeth_init_qdio_out_buf(q, bidx);
QETH_CARD_TEXT(q->card, 2, "clprecov");
}
}
| DoS Overflow | 0 | static inline void qeth_cleanup_handled_pending(struct qeth_qdio_out_q *q,
int bidx, int forced_cleanup)
{
if (q->card->options.cq != QETH_CQ_ENABLED)
return;
if (q->bufs[bidx]->next_pending != NULL) {
struct qeth_qdio_out_buffer *head = q->bufs[bidx];
struct qeth_qdio_out_buffer *c = q->bufs[bidx]->next_pending;
while (c) {
if (forced_cleanup ||
atomic_read(&c->state) ==
QETH_QDIO_BUF_HANDLED_DELAYED) {
struct qeth_qdio_out_buffer *f = c;
QETH_CARD_TEXT(f->q->card, 5, "fp");
QETH_CARD_TEXT_(f->q->card, 5, "%lx", (long) f);
/* release here to avoid interleaving between
outbound tasklet and inbound tasklet
regarding notifications and lifecycle */
qeth_release_skbs(c);
c = f->next_pending;
WARN_ON_ONCE(head->next_pending != f);
head->next_pending = c;
kmem_cache_free(qeth_qdio_outbuf_cache, f);
} else {
head = c;
c = c->next_pending;
}
}
}
if (forced_cleanup && (atomic_read(&(q->bufs[bidx]->state)) ==
QETH_QDIO_BUF_HANDLED_DELAYED)) {
/* for recovery situations */
q->bufs[bidx]->aob = q->bufstates[bidx].aob;
qeth_init_qdio_out_buf(q, bidx);
QETH_CARD_TEXT(q->card, 2, "clprecov");
}
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,783 | static int qeth_clear_channel(struct qeth_channel *channel)
{
unsigned long flags;
struct qeth_card *card;
int rc;
card = CARD_FROM_CDEV(channel->ccwdev);
QETH_CARD_TEXT(card, 3, "clearch");
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
if (rc)
return rc;
rc = wait_event_interruptible_timeout(card->wait_q,
channel->state == CH_STATE_STOPPED, QETH_TIMEOUT);
if (rc == -ERESTARTSYS)
return rc;
if (channel->state != CH_STATE_STOPPED)
return -ETIME;
channel->state = CH_STATE_DOWN;
return 0;
}
| DoS Overflow | 0 | static int qeth_clear_channel(struct qeth_channel *channel)
{
unsigned long flags;
struct qeth_card *card;
int rc;
card = CARD_FROM_CDEV(channel->ccwdev);
QETH_CARD_TEXT(card, 3, "clearch");
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM);
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
if (rc)
return rc;
rc = wait_event_interruptible_timeout(card->wait_q,
channel->state == CH_STATE_STOPPED, QETH_TIMEOUT);
if (rc == -ERESTARTSYS)
return rc;
if (channel->state != CH_STATE_STOPPED)
return -ETIME;
channel->state = CH_STATE_DOWN;
return 0;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,784 | static int qeth_clear_channels(struct qeth_card *card)
{
int rc1 = 0, rc2 = 0, rc3 = 0;
QETH_CARD_TEXT(card, 3, "clearchs");
rc1 = qeth_clear_channel(&card->read);
rc2 = qeth_clear_channel(&card->write);
rc3 = qeth_clear_channel(&card->data);
if (rc1)
return rc1;
if (rc2)
return rc2;
return rc3;
}
| DoS Overflow | 0 | static int qeth_clear_channels(struct qeth_card *card)
{
int rc1 = 0, rc2 = 0, rc3 = 0;
QETH_CARD_TEXT(card, 3, "clearchs");
rc1 = qeth_clear_channel(&card->read);
rc2 = qeth_clear_channel(&card->write);
rc3 = qeth_clear_channel(&card->data);
if (rc1)
return rc1;
if (rc2)
return rc2;
return rc3;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,785 | void qeth_clear_cmd_buffers(struct qeth_channel *channel)
{
int cnt;
for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
qeth_release_buffer(channel, &channel->iob[cnt]);
channel->buf_no = 0;
channel->io_buf_no = 0;
}
| DoS Overflow | 0 | void qeth_clear_cmd_buffers(struct qeth_channel *channel)
{
int cnt;
for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++)
qeth_release_buffer(channel, &channel->iob[cnt]);
channel->buf_no = 0;
channel->io_buf_no = 0;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,786 | static void qeth_clear_dbf_list(void)
{
struct qeth_dbf_entry *entry, *tmp;
mutex_lock(&qeth_dbf_list_mutex);
list_for_each_entry_safe(entry, tmp, &qeth_dbf_list, dbf_list) {
list_del(&entry->dbf_list);
debug_unregister(entry->dbf_info);
kfree(entry);
}
mutex_unlock(&qeth_dbf_list_mutex);
}
| DoS Overflow | 0 | static void qeth_clear_dbf_list(void)
{
struct qeth_dbf_entry *entry, *tmp;
mutex_lock(&qeth_dbf_list_mutex);
list_for_each_entry_safe(entry, tmp, &qeth_dbf_list, dbf_list) {
list_del(&entry->dbf_list);
debug_unregister(entry->dbf_info);
kfree(entry);
}
mutex_unlock(&qeth_dbf_list_mutex);
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,787 | void qeth_clear_ipacmd_list(struct qeth_card *card)
{
struct qeth_reply *reply, *r;
unsigned long flags;
QETH_CARD_TEXT(card, 4, "clipalst");
spin_lock_irqsave(&card->lock, flags);
list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
qeth_get_reply(reply);
reply->rc = -EIO;
atomic_inc(&reply->received);
list_del_init(&reply->list);
wake_up(&reply->wait_q);
qeth_put_reply(reply);
}
spin_unlock_irqrestore(&card->lock, flags);
atomic_set(&card->write.irq_pending, 0);
}
| DoS Overflow | 0 | void qeth_clear_ipacmd_list(struct qeth_card *card)
{
struct qeth_reply *reply, *r;
unsigned long flags;
QETH_CARD_TEXT(card, 4, "clipalst");
spin_lock_irqsave(&card->lock, flags);
list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) {
qeth_get_reply(reply);
reply->rc = -EIO;
atomic_inc(&reply->received);
list_del_init(&reply->list);
wake_up(&reply->wait_q);
qeth_put_reply(reply);
}
spin_unlock_irqrestore(&card->lock, flags);
atomic_set(&card->write.irq_pending, 0);
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,788 | static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
struct qeth_qdio_out_buffer *buf,
enum qeth_qdio_buffer_states newbufstate)
{
int i;
/* is PCI flag set on buffer? */
if (buf->buffer->element[0].sflags & SBAL_SFLAGS0_PCI_REQ)
atomic_dec(&queue->set_pci_flags_count);
if (newbufstate == QETH_QDIO_BUF_EMPTY) {
qeth_release_skbs(buf);
}
for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) {
if (buf->buffer->element[i].addr && buf->is_header[i])
kmem_cache_free(qeth_core_header_cache,
buf->buffer->element[i].addr);
buf->is_header[i] = 0;
buf->buffer->element[i].length = 0;
buf->buffer->element[i].addr = NULL;
buf->buffer->element[i].eflags = 0;
buf->buffer->element[i].sflags = 0;
}
buf->buffer->element[15].eflags = 0;
buf->buffer->element[15].sflags = 0;
buf->next_element_to_fill = 0;
atomic_set(&buf->state, newbufstate);
}
| DoS Overflow | 0 | static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
struct qeth_qdio_out_buffer *buf,
enum qeth_qdio_buffer_states newbufstate)
{
int i;
/* is PCI flag set on buffer? */
if (buf->buffer->element[0].sflags & SBAL_SFLAGS0_PCI_REQ)
atomic_dec(&queue->set_pci_flags_count);
if (newbufstate == QETH_QDIO_BUF_EMPTY) {
qeth_release_skbs(buf);
}
for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) {
if (buf->buffer->element[i].addr && buf->is_header[i])
kmem_cache_free(qeth_core_header_cache,
buf->buffer->element[i].addr);
buf->is_header[i] = 0;
buf->buffer->element[i].length = 0;
buf->buffer->element[i].addr = NULL;
buf->buffer->element[i].eflags = 0;
buf->buffer->element[i].sflags = 0;
}
buf->buffer->element[15].eflags = 0;
buf->buffer->element[15].sflags = 0;
buf->next_element_to_fill = 0;
atomic_set(&buf->state, newbufstate);
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,789 | static void qeth_clear_outq_buffers(struct qeth_qdio_out_q *q, int free)
{
int j;
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
if (!q->bufs[j])
continue;
qeth_cleanup_handled_pending(q, j, 1);
qeth_clear_output_buffer(q, q->bufs[j], QETH_QDIO_BUF_EMPTY);
if (free) {
kmem_cache_free(qeth_qdio_outbuf_cache, q->bufs[j]);
q->bufs[j] = NULL;
}
}
}
| DoS Overflow | 0 | static void qeth_clear_outq_buffers(struct qeth_qdio_out_q *q, int free)
{
int j;
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
if (!q->bufs[j])
continue;
qeth_cleanup_handled_pending(q, j, 1);
qeth_clear_output_buffer(q, q->bufs[j], QETH_QDIO_BUF_EMPTY);
if (free) {
kmem_cache_free(qeth_qdio_outbuf_cache, q->bufs[j]);
q->bufs[j] = NULL;
}
}
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,790 | void qeth_clear_qdio_buffers(struct qeth_card *card)
{
int i;
QETH_CARD_TEXT(card, 2, "clearqdbf");
/* clear outbound buffers to free skbs */
for (i = 0; i < card->qdio.no_out_queues; ++i) {
if (card->qdio.out_qs[i]) {
qeth_clear_outq_buffers(card->qdio.out_qs[i], 0);
}
}
}
| DoS Overflow | 0 | void qeth_clear_qdio_buffers(struct qeth_card *card)
{
int i;
QETH_CARD_TEXT(card, 2, "clearqdbf");
/* clear outbound buffers to free skbs */
for (i = 0; i < card->qdio.no_out_queues; ++i) {
if (card->qdio.out_qs[i]) {
qeth_clear_outq_buffers(card->qdio.out_qs[i], 0);
}
}
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,791 | void qeth_clear_recovery_task(struct qeth_card *card)
{
card->recovery_task = NULL;
}
| DoS Overflow | 0 | void qeth_clear_recovery_task(struct qeth_card *card)
{
card->recovery_task = NULL;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,792 | void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
{
unsigned long flags;
spin_lock_irqsave(&card->thread_mask_lock, flags);
card->thread_running_mask &= ~thread;
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
wake_up(&card->wait_q);
}
| DoS Overflow | 0 | void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
{
unsigned long flags;
spin_lock_irqsave(&card->thread_mask_lock, flags);
card->thread_running_mask &= ~thread;
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
wake_up(&card->wait_q);
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,793 | void qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
{
unsigned long flags;
spin_lock_irqsave(&card->thread_mask_lock, flags);
card->thread_start_mask &= ~thread;
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
wake_up(&card->wait_q);
}
| DoS Overflow | 0 | void qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread)
{
unsigned long flags;
spin_lock_irqsave(&card->thread_mask_lock, flags);
card->thread_start_mask &= ~thread;
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
wake_up(&card->wait_q);
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,794 | void qeth_clear_working_pool_list(struct qeth_card *card)
{
struct qeth_buffer_pool_entry *pool_entry, *tmp;
QETH_CARD_TEXT(card, 5, "clwrklst");
list_for_each_entry_safe(pool_entry, tmp,
&card->qdio.in_buf_pool.entry_list, list){
list_del(&pool_entry->list);
}
}
| DoS Overflow | 0 | void qeth_clear_working_pool_list(struct qeth_card *card)
{
struct qeth_buffer_pool_entry *pool_entry, *tmp;
QETH_CARD_TEXT(card, 5, "clwrklst");
list_for_each_entry_safe(pool_entry, tmp,
&card->qdio.in_buf_pool.entry_list, list){
list_del(&pool_entry->list);
}
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,795 | void qeth_close_dev(struct qeth_card *card)
{
QETH_CARD_TEXT(card, 2, "cldevsubm");
queue_work(qeth_wq, &card->close_dev_work);
}
| DoS Overflow | 0 | void qeth_close_dev(struct qeth_card *card)
{
QETH_CARD_TEXT(card, 2, "cldevsubm");
queue_work(qeth_wq, &card->close_dev_work);
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,796 | static void qeth_close_dev_handler(struct work_struct *work)
{
struct qeth_card *card;
card = container_of(work, struct qeth_card, close_dev_work);
QETH_CARD_TEXT(card, 2, "cldevhdl");
rtnl_lock();
dev_close(card->dev);
rtnl_unlock();
ccwgroup_set_offline(card->gdev);
}
| DoS Overflow | 0 | static void qeth_close_dev_handler(struct work_struct *work)
{
struct qeth_card *card;
card = container_of(work, struct qeth_card, close_dev_work);
QETH_CARD_TEXT(card, 2, "cldevhdl");
rtnl_lock();
dev_close(card->dev);
rtnl_unlock();
ccwgroup_set_offline(card->gdev);
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,797 | static int qeth_cm_enable(struct qeth_card *card)
{
int rc;
struct qeth_cmd_buffer *iob;
QETH_DBF_TEXT(SETUP, 2, "cmenable");
iob = qeth_wait_for_buffer(&card->write);
memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
&card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
&card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
qeth_cm_enable_cb, NULL);
return rc;
}
| DoS Overflow | 0 | static int qeth_cm_enable(struct qeth_card *card)
{
int rc;
struct qeth_cmd_buffer *iob;
QETH_DBF_TEXT(SETUP, 2, "cmenable");
iob = qeth_wait_for_buffer(&card->write);
memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE);
memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data),
&card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data),
&card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH);
rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob,
qeth_cm_enable_cb, NULL);
return rc;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,798 | static int qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
unsigned long data)
{
struct qeth_cmd_buffer *iob;
QETH_DBF_TEXT(SETUP, 2, "cmenblcb");
iob = (struct qeth_cmd_buffer *) data;
memcpy(&card->token.cm_filter_r,
QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
QETH_MPC_TOKEN_LENGTH);
QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
return 0;
}
| DoS Overflow | 0 | static int qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
unsigned long data)
{
struct qeth_cmd_buffer *iob;
QETH_DBF_TEXT(SETUP, 2, "cmenblcb");
iob = (struct qeth_cmd_buffer *) data;
memcpy(&card->token.cm_filter_r,
QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data),
QETH_MPC_TOKEN_LENGTH);
QETH_DBF_TEXT_(SETUP, 2, " rc%d", iob->rc);
return 0;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
22,799 | static int qeth_cm_setup(struct qeth_card *card)
{
int rc;
struct qeth_cmd_buffer *iob;
QETH_DBF_TEXT(SETUP, 2, "cmsetup");
iob = qeth_wait_for_buffer(&card->write);
memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
&card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
&card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
&card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
qeth_cm_setup_cb, NULL);
return rc;
}
| DoS Overflow | 0 | static int qeth_cm_setup(struct qeth_card *card)
{
int rc;
struct qeth_cmd_buffer *iob;
QETH_DBF_TEXT(SETUP, 2, "cmsetup");
iob = qeth_wait_for_buffer(&card->write);
memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE);
memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data),
&card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH);
memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data),
&card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH);
memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data),
&card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH);
rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob,
qeth_cm_setup_cb, NULL);
return rc;
}
| @@ -4451,7 +4451,7 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct qeth_snmp_ureq *ureq;
- int req_len;
+ unsigned int req_len;
struct qeth_arp_query_info qinfo = {0, };
int rc = 0;
@@ -4467,6 +4467,10 @@ int qeth_snmp_command(struct qeth_card *card, char __user *udata)
/* skip 4 bytes (data_len struct member) to get req_len */
if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int)))
return -EFAULT;
+ if (req_len > (QETH_BUFSIZE - IPA_PDU_HEADER_SIZE -
+ sizeof(struct qeth_ipacmd_hdr) -
+ sizeof(struct qeth_ipacmd_setadpparms_hdr)))
+ return -EINVAL;
ureq = memdup_user(udata, req_len + sizeof(struct qeth_snmp_ureq_hdr));
if (IS_ERR(ureq)) {
QETH_CARD_TEXT(card, 2, "snmpnome"); | CWE-119 | null | null |
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