4.18-stable review patch. If anyone has any objections, please let me know.
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From: Xin Long lucien.xin@gmail.com
[ Upstream commit 5660b9d9d6a29c2c3cc12f62ae44bfb56b0a15a9 ]
sctp data size should be calculated by subtracting data chunk header's length from chunk_hdr->length, not just data header.
Fixes: 668c9beb9020 ("sctp: implement assign_number for sctp_stream_interleave") Signed-off-by: Xin Long lucien.xin@gmail.com Acked-by: Marcelo Ricardo Leitner marcelo.leitner@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- include/net/sctp/sm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/net/sctp/sm.h +++ b/include/net/sctp/sm.h @@ -347,7 +347,7 @@ static inline __u16 sctp_data_size(struc __u16 size;
size = ntohs(chunk->chunk_hdr->length); - size -= sctp_datahdr_len(&chunk->asoc->stream); + size -= sctp_datachk_len(&chunk->asoc->stream);
return size; }