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-rw-r--r--net/sctp/sm_make_chunk.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 793b05ec692b..d01475f5f710 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1380,9 +1380,14 @@ static struct sctp_chunk *_sctp_make_chunk(const struct sctp_association *asoc,
struct sctp_chunk *retval;
struct sk_buff *skb;
struct sock *sk;
+ int chunklen;
+
+ chunklen = SCTP_PAD4(sizeof(*chunk_hdr) + paylen);
+ if (chunklen > SCTP_MAX_CHUNK_LEN)
+ goto nodata;
/* No need to allocate LL here, as this is only a chunk. */
- skb = alloc_skb(SCTP_PAD4(sizeof(*chunk_hdr) + paylen), gfp);
+ skb = alloc_skb(chunklen, gfp);
if (!skb)
goto nodata;