3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Ben writes: > > + int chunklen; > > + > > + chunklen = sizeof(*chunk_hdr) + paylen; > > I think this length still needs to be rounded up (with WORD_ROUND here, > instead of SCTP_PAD4 upstream). So here's a fix for this problem. Reported-by: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/sctp/sm_make_chunk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1369,7 +1369,7 @@ static struct sctp_chunk *_sctp_make_chu struct sock *sk; int chunklen; - chunklen = sizeof(*chunk_hdr) + paylen; + chunklen = WORD_ROUND(sizeof(*chunk_hdr) + paylen); if (chunklen > SCTP_MAX_CHUNK_LEN) goto nodata;