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(parent: b7b4301) | 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 12:39:51 +0000 (14:39 +0200)
commit65e21cc042f4c1518c8c55283f53bc725b78419d
tree738cbbf6e6a55698667915ed26f5595e7b94d5f9tree
parentb7b430104a14a05c74297e794a0fe237f822ebb1commit | 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
Linux 6.x block layer and io_uring tree(s)