diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-25 17:48:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-25 17:48:07 -0700 |
| commit | b8e6c91c74e9f0279b7c51048779b3d62da60b88 (patch) | |
| tree | 3bce45825a2700e1cbc75f488728ec02801bb3d3 /net/sctp | |
| parent | e5778ec91e823b97262f045814d34d0abde689c0 (diff) | |
| parent | c2d42545774c4bba7232521d836d0793330e3a4e (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
bnx2x: Version update
bnx2x: Multi Queue
bnx2x: NAPI and interrupts enable/disable
bnx2x: NIC load failure cleanup
bnx2x: Initialization structure
bnx2x: HW lock timeout
bnx2x: Minimize lock time
bnx2x: Fan failure mechanism on additional design
bnx2x: Rx work check
ipv6: sysctl fixes
ipv4: sysctl fixes
sctp: add verification checks to SCTP_AUTH_KEY option
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/auth.c | 4 | ||||
| -rw-r--r-- | net/sctp/socket.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/net/sctp/auth.c b/net/sctp/auth.c index 675a5c3e68a..1fcb4cf2f4c 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -80,6 +80,10 @@ static struct sctp_auth_bytes *sctp_auth_create_key(__u32 key_len, gfp_t gfp) { struct sctp_auth_bytes *key; + /* Verify that we are not going to overflow INT_MAX */ + if ((INT_MAX - key_len) < sizeof(struct sctp_auth_bytes)) + return NULL; + /* Allocate the shared key */ key = kmalloc(sizeof(struct sctp_auth_bytes) + key_len, gfp); if (!key) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index bb5c9ef1304..afa952e726d 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3144,6 +3144,11 @@ static int sctp_setsockopt_auth_key(struct sock *sk, goto out; } + if (authkey->sca_keylength > optlen) { + ret = -EINVAL; + goto out; + } + asoc = sctp_id2assoc(sk, authkey->sca_assoc_id); if (!asoc && authkey->sca_assoc_id && sctp_style(sk, UDP)) { ret = -EINVAL; |