GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-04 13:48:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

NFS: Fix bad checking of max taglen in callback request

Browse source 
The taglen should be checked with CB_OP_TAGLEN_MAXSZ directly.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Kinglong Mee 2015-09-24 20:58:16 +08:00 • committed by Trond Myklebust
parent 45724e8a5b
commit 403889c039
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
fs/nfs/callback_xdr.c
View file

@ -159,7 +159,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
if (unlikely(status != 0)) if (unlikely(status != 0))
return status; return status;
/* We do not like overly long tags! */ /* We do not like overly long tags! */
if (hdr->taglen > CB_OP_TAGLEN_MAXSZ - 12) { if (hdr->taglen > CB_OP_TAGLEN_MAXSZ) {
printk("NFS: NFSv4 CALLBACK %s: client sent tag of length %u\n", printk("NFS: NFSv4 CALLBACK %s: client sent tag of length %u\n",
__func__, hdr->taglen); __func__, hdr->taglen);
return htonl(NFS4ERR_RESOURCE); return htonl(NFS4ERR_RESOURCE);