From 3378b7f40d79930f0f447a164c7e8fcbe4480e40 Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Fri, 1 Nov 2013 10:42:15 -0400 Subject: [PATCH] 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: Jeff Layton Signed-off-by: J. Bruce Fields --- fs/nfsd/nfs4xdr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 83db5a742aa9..d9d7fa94967f 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -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); }