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authorFlorin Coras <fcoras@cisco.com>2019-05-23 22:28:16 -0700
committerJohn Lo <loj@cisco.com>2019-05-25 07:25:45 +0000
commit378213974e2c361c45a325c22ec5a9ca6a0a13cd (patch)
treea834c8e28056948525c91a76765e6e6fd7bd9973 /src/vnet
parent6af82438144fca93af4df4c2808827dbbc392699 (diff)
tcp: handle fin+rst in same frame
Change-Id: Ie7a6c7b92a6beeb356f01384216a4982fb3d420e Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet')
-rw-r--r--src/vnet/session/session.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index c56712bbf87..4374678348e 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -879,9 +879,16 @@ session_transport_closed_notify (transport_connection_t * tc)
if (!(s = session_get_if_valid (tc->s_index, tc->thread_index)))
return;
+ /* Transport thinks that app requested close but it actually didn't.
+ * Can happen for tcp if fin and rst are received in close succession. */
+ if (s->session_state == SESSION_STATE_READY)
+ {
+ session_transport_closing_notify (tc);
+ svm_fifo_dequeue_drop_all (s->server_tx_fifo);
+ }
/* If app close has not been received or has not yet resulted in
* a transport close, only mark the session transport as closed */
- if (s->session_state <= SESSION_STATE_CLOSING)
+ else if (s->session_state <= SESSION_STATE_CLOSING)
{
session_lookup_del_session (s);
s->session_state = SESSION_STATE_TRANSPORT_CLOSED;