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(parent: 242a3e0) | 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, 15 Apr 2022 12:14:39 +0000 (14:14 +0200)
commit9f0f048c1bfa7867d565a95fd8c28f4484ba1043
tree3180a2ed4e6ded24e046b7018c7f07fa7c65d0bbtree
parent242a3e0c75b64b4ced82e29e07a6d6d98eeec826commit | 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