From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> All XDR opaque object sizes are 32-bit aligned, and a data segment is no exception. Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> --- fs/nfs/nfs42xdr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c index 1c21db640f4d..4c6bce3dbaeb 100644 --- a/fs/nfs/nfs42xdr.c +++ b/fs/nfs/nfs42xdr.c @@ -1038,7 +1038,9 @@ static int decode_read_plus_data(struct xdr_stream *xdr, struct nfs_pgio_res *re p = xdr_decode_hyper(p, &offset); count = be32_to_cpup(p); - recvd = xdr_align_data(xdr, res->count, count); + recvd = xdr_align_data(xdr, res->count, xdr_align_size(count)); + if (recvd > count) + recvd = count; res->count += recvd; if (count > recvd) { -- 2.29.2