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Subject[78/80] sctp: Do not reset the packet during sctp_packet_config().
2.6.35-stable review patch.  If anyone has any objections, please let us know.


From: Vlad Yasevich <>

commit 4bdab43323b459900578b200a4b8cf9713ac8fab upstream.

sctp_packet_config() is called when getting the packet ready
for appending of chunks. The function should not touch the
current state, since it's possible to ping-pong between two
transports when sending, and that can result packet corruption
followed by skb overlfow crash.

Reported-by: Thomas Dreibholz <>
Signed-off-by: Vlad Yasevich <>
Signed-off-by: David S. Miller <>
Signed-off-by: Greg Kroah-Hartman <>

net/sctp/output.c | 1 -
1 file changed, 1 deletion(-)

--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -92,7 +92,6 @@ struct sctp_packet *sctp_packet_config(s
SCTP_DEBUG_PRINTK("%s: packet:%p vtag:0x%x\n", __func__,
packet, vtag);

- sctp_packet_reset(packet);
packet->vtag = vtag;

if (ecn_capable && sctp_packet_empty(packet)) {

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