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(parent: 9d66477) | patch
NFSD: prevent underflow in nfssvc_decode_writeargs()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 15 Mar 2022 10:30:09 +0000 (13:30 +0300)
committerChuck Lever <chuck.lever@oracle.com>
Tue, 15 Mar 2022 13:35:56 +0000 (09:35 -0400)
commit184416d4b98509fb4c3d8fc3d6dc1437896cc159
tree142754edc3ddc62e00f7f297df7ab6028853e94ftree
parent9d6647762b9c6b555bc83d97d7c93be6057a990fcommit | diff
NFSD: prevent underflow in nfssvc_decode_writeargs()

Smatch complains:

fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs()
warn: no lower bound on 'args->len'

Change the type to unsigned to prevent this issue.

Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
fs/nfsd/nfsproc.c diff | blob | history
fs/nfsd/xdr.h diff | blob | history
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