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| author | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:09:09 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:09:09 -0700 |
| commit | 0ccd8c39bc664bf5e9fcc26caad50cc17ff866d1 (patch) | |
| tree | 29cec0edf3acf18c6978b750a8d6560f445df6df /net/sctp/auth.c | |
| parent | 1625324d22409e32e3f8eb86018cad72e1c09d61 (diff) | |
| parent | ec0c15afb41fd9ad45b53468b60db50170e22346 (diff) | |
Merge branch 'linus' into x86/core
Diffstat (limited to 'net/sctp/auth.c')
| -rw-r--r-- | net/sctp/auth.c | 7 |
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; |