summaryrefslogtreecommitdiff
path: root/fs/cifs/sess.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2012-03-15 10:24:32 +0000
committerDave Airlie <airlied@redhat.com>2012-03-15 10:24:32 +0000
commit8229c885fe361e521ac64de36b16011e54a30de0 (patch)
tree572e5d34b16713ddef9e803308c6f72014aff01b /fs/cifs/sess.c
parentc3c50e8b651887bcefcc13beb3739c00b2379b5c (diff)
parentfde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff)
drm: Merge tag 'v3.3-rc7' into drm-core-next
Merge the fixes so far into core-next, needed to test intel driver. Conflicts: drivers/gpu/drm/i915/intel_ringbuffer.c
Diffstat (limited to 'fs/cifs/sess.c')
-rw-r--r--fs/cifs/sess.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index d85efad5765f..551d0c2b9736 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -246,16 +246,15 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,
/* copy user */
/* BB what about null user mounts - check that we do this BB */
/* copy user */
- if (ses->user_name != NULL)
+ if (ses->user_name != NULL) {
strncpy(bcc_ptr, ses->user_name, MAX_USERNAME_SIZE);
+ bcc_ptr += strnlen(ses->user_name, MAX_USERNAME_SIZE);
+ }
/* else null user mount */
-
- bcc_ptr += strnlen(ses->user_name, MAX_USERNAME_SIZE);
*bcc_ptr = 0;
bcc_ptr++; /* account for null termination */
/* copy domain */
-
if (ses->domainName != NULL) {
strncpy(bcc_ptr, ses->domainName, 256);
bcc_ptr += strnlen(ses->domainName, 256);
@@ -395,6 +394,10 @@ static int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len,
ses->ntlmssp->server_flags = le32_to_cpu(pblob->NegotiateFlags);
tioffset = le32_to_cpu(pblob->TargetInfoArray.BufferOffset);
tilen = le16_to_cpu(pblob->TargetInfoArray.Length);
+ if (tioffset > blob_len || tioffset + tilen > blob_len) {
+ cERROR(1, "tioffset + tilen too high %u + %u", tioffset, tilen);
+ return -EINVAL;
+ }
if (tilen) {
ses->auth_key.response = kmalloc(tilen, GFP_KERNEL);
if (!ses->auth_key.response) {