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author | Ingo Molnar <mingo@elte.hu> | 2012-03-01 09:26:41 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2012-03-01 09:26:43 (GMT) |
commit | 7e4d960993331e92567f0180e45322a93e6780ba (patch) | |
tree | 4d7444035303fc0b545e88afbd894176344fb2a3 /fs/cifs/sess.c | |
parent | de5bdff7a72acc281219be2b8edeeca1fd81c542 (diff) | |
parent | 164974a8f2a482f1abcb027c6d1a89dd79b14297 (diff) | |
download | linux-fsl-qoriq-7e4d960993331e92567f0180e45322a93e6780ba.tar.xz |
Merge branch 'linus' into sched/core
Merge reason: we'll queue up dependent patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/cifs/sess.c')
-rw-r--r-- | fs/cifs/sess.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index d85efad..551d0c2 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) { |