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(parent: 6180bbc) | 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>
Wed, 20 Apr 2022 07:06:28 +0000 (09:06 +0200)
commit1a33e0de60feda402d05ac8a6cf409c19ea3e0b3
tree980975537b6cfbdd7131b8821cc5359e6a02f56btree
parent6180bbce52739ec98cea60b1c35ab6d80351b19bcommit | 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 | blame | history
fs/nfsd/xdr.h diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git