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(parent: 253a953) | 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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 8 Apr 2022 12:22:52 +0000 (14:22 +0200)
commit614a61e1592051cc42d3c38f899c9f7bdaad8a1d
treed8ca8dcfc4b49b433c9edaf48c17da05796da313tree | snapshot
parent253a9533941ef89156955ea9f24e09e182450ba9commit | diff
NFSD: prevent underflow in nfssvc_decode_writeargs()

commit 184416d4b98509fb4c3d8fc3d6dc1437896cc159 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/nfsd/nfsproc.c diff | blob | history
fs/nfsd/xdr.h diff | blob | history
Domain: System / Kernel;