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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-09-01 11:32:13 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-09-01 11:32:13 +0100
commit9d7548d4ca3c52ecb58f098a32b0756cdf8f96ee (patch)
tree651f7058bbaa2d8b2855286380d614afcf505118 /net/sctp/auth.c
parent31db6e9ea1dbdcf66b8227b4f7035dee1b1dd8c0 (diff)
parentbef69ea0dcce574a425feb0a5aa4c63dd108b9a6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'net/sctp/auth.c')
-rw-r--r--net/sctp/auth.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 675a5c3e68a6..52db5f60daa0 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)
@@ -782,6 +786,9 @@ int sctp_auth_ep_set_hmacs(struct sctp_endpoint *ep,
for (i = 0; i < hmacs->shmac_num_idents; i++) {
id = hmacs->shmac_idents[i];
+ if (id > SCTP_AUTH_HMAC_ID_MAX)
+ return -EOPNOTSUPP;
+
if (SCTP_AUTH_HMAC_ID_SHA1 == id)
has_sha1 = 1;