Hi, Rogerio:
Based on the stack trace, it looks like the crash is occurring when a
TCP query times out, and we try to log it as if it were a normal TCP
response. Could you try the attached patch and see if it avoids the
crash?
Thanks!
Rogerio Bastos wrote:
> #0 serviced_tcp_callback (c=0x0, arg=0x555556b853b0, error=-2, rep=0x0) at
> services/outside_network.c:1596
> r2 = {c = 0x3000000010, addr = {ss_family = 59744, __ss_align =
> 140737488349344,
> __ss_padding =
> "\000T\217\\\337`*\333\004\000\000\000}\000\000\000\000\000\000\000\377\177\000\000}",
> '\000' <repeats 15 times>,
> "\270\333vVUU\000\000\200pv\367\377\177\000\000\240\333vVUU", '\000' <repeats
> 14 times>,
> "\001\000\000\000\252\\T\367\377\177\000\000\000\000\000\000\004\000\000\002\000T\217\\\337`*\333\000\000\000\000\001\000\000"},
>
> addrlen = 4149479993, srctype = 32767, pktinfo = {v6info =
> {ipi6_addr = {__in6_u = {
> __u6_addr8 =
> "\000\000\000\000\000\000\000\000\060\300]VUU\000", __u6_addr16 = {0, 0, 0,
> 0, 49200, 22109,
> 21845, 0}, __u6_addr32 = {0, 0, 1448984624, 21845}}},
> ipi6_ifindex = 1432264672}, v4info = {
> ipi_ifindex = 0, ipi_spec_dst = {s_addr = 0}, ipi_addr =
> {s_addr = 1448984624}}}}
> #1 0x00005555555e815a in outnet_tcptimer (arg=0x5555566d9630) at
> services/outside_network.c:1120
> w = 0x5555566d9630
> outnet = 0x555555aa20e0
> cb = 0x5555555e9fe0 <serviced_tcp_callback>
> cb_arg = 0x555556b853b0
> __func__ = "outnet_tcptimer"
--
Robert Edmonds
[email protected]
>From 91e1f0ab2b1ce0b8ce91a31c1463d24a7ac43a98 Mon Sep 17 00:00:00 2001
From: Robert Edmonds <[email protected]>
Date: Wed, 8 Apr 2015 14:15:25 -0400
Subject: [PATCH] dnstap: Only try to log TCP outside responses on
NETEVENT_NOERROR
---
services/outside_network.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/services/outside_network.c b/services/outside_network.c
index 5bb52ff..9a679eb 100644
--- a/services/outside_network.c
+++ b/services/outside_network.c
@@ -1590,7 +1590,7 @@ serviced_tcp_callback(struct comm_point* c, void* arg, int error,
infra_update_tcp_works(sq->outnet->infra, &sq->addr,
sq->addrlen, sq->zone, sq->zonelen);
#ifdef USE_DNSTAP
- if(sq->outnet->dtenv &&
+ if(error==NETEVENT_NOERROR && sq->outnet->dtenv &&
(sq->outnet->dtenv->log_resolver_response_messages ||
sq->outnet->dtenv->log_forwarder_response_messages))
dt_msg_send_outside_response(sq->outnet->dtenv, &sq->addr,
--
2.1.4
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