Commit 3378b7f4 authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd4: fix discarded security labels on setattr 



Security labels in setattr calls are currently ignored because we forget
to set label->len.

Cc: stable@vger.kernel.org
Reported-by: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 8217d146

fs/nfsd/nfs4xdr.c

+1 −0
Original line number Diff line number Diff line
@@ -411,6 +411,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, 
		label->data = kzalloc(dummy32 + 1, GFP_KERNEL);

		if (!label->data)

			return nfserr_jukebox;

		label->len = dummy32;

		defer_free(argp, kfree, label->data);

		memcpy(label->data, buf, dummy32);

	}