From: Samuel Jero <sj323707@xxxxxxxx>
Currently dccp_check_seqno returns 0 (indicating a valid packet) if the
acknowledgment number is out of bounds and the sync that RFC 4340 mandates at
this point is currently being rate-limited. This function should return -1,
indicating an invalid packet.
Signed-off-by: Samuel Jero <sj323707@xxxxxxxx>
Acked-by: Gerrit Renker <gerrit@xxxxxxxxxxxxxx>
---
net/dccp/input.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -260,7 +260,7 @@ static int dccp_check_seqno(struct sock *sk, struct sk_buff *skb)
*/
if (time_before(now, (dp->dccps_rate_last +
sysctl_dccp_sync_ratelimit)))
- return 0;
+ return -1;
DCCP_WARN("Step 6 failed for %s packet, "
"(LSWL(%llu) <= P.seqno(%llu) <= S.SWH(%llu)) and "
--
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