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-rw-r--r--net/sctp/sm_statefuns.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 73bdeb2b6c6..7fb08a69491 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1115,7 +1115,8 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
/* Make sure that the HEARTBEAT-ACK chunk has a valid length. */
- if (!sctp_chunk_length_valid(chunk, sizeof(sctp_heartbeat_chunk_t)))
+ if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t) +
+ sizeof(sctp_sender_hb_info_t)))
return sctp_sf_violation_chunklen(ep, asoc, type, arg,
commands);