bind 9.6-esv-r1 segfault
Sergey V. Lobanov
sergey at lobanov.in
Sun Sep 26 12:23:15 UTC 2010
OK. I sent the bug the report to bind9-bugs at isc.org (Ticket [ISC-Bugs #22208])
26.09.10, 01:41, "Cathy Almond" <cathya at isc.org>:
> Hi Sergey,
>
> At the moment this doesn't sound like anything we've seen before.
> Please could you report it to bind9-bugs at isc.org:
> https://www.isc.org/software/bind/news
>
> We'll need the core dump, the binary that generated it and the libs
> associated with the binary (ldd named should capture the list we need)
> in order to analyze it.
>
> Thanks,
>
> Cathy
>
> On 24/09/10 19:09, Sergey V. Lobanov wrote:
> > Some info from the core dump:
> >
> > General info:
> > Core was generated by `/usr/local/sbin/named -4 -c /etc/named.conf -t
> > /var/lib/named -u named -n 4'.
> > Program terminated with signal 11, Segmentation fault.
> > #0 0x0813d4d7 in resquery_udpconnected (task=0x8230ef88, event=0xa5bbf068)
> > at resolver.c:1202
> > 1202 QTRACE("udpconnected");
> >
> > Backtrace:
> > #0 0x0813d4d7 in resquery_udpconnected (task=0x8230ef88, event=0xa5bbf068)
> > at resolver.c:1202
> > #1 0x081c4916 in dispatch (manager=) at task.c:862
> > #2 run (manager=) at task.c:1005
> > #3 0xb753c725 in start_thread () from /lib/libpthread.so.0
> > #4 0xb73181ee in clone () from /lib/libc.so.6
> >
> > Program listing:
> > 1197 resquery_udpconnected(isc_task_t *task, isc_event_t *event) {
> > 1198 resquery_t *query = event->ev_arg;
> > 1199
> > 1200 REQUIRE(event->ev_type == ISC_SOCKEVENT_CONNECT);
> > 1201
> > 1202 QTRACE("udpconnected");
> > 1203
> > 1204 UNUSED(task);
> > 1205
> > 1206 INSIST(RESQUERY_CONNECTING(query));
> >
> >
> > *event:
> > $7 = {ev_size = 48, ev_attributes = 0, ev_tag = 0x0, ev_type = 131076,
> > ev_action = 0x813d490 , ev_arg = 0x89db2c80,
> > ev_sender = 0x8232d180, ev_destroy = 0x81a8970 ,
> > ev_destroy_arg = 0x821d0e8, ev_link = {prev = 0xffffffff, next =
> > 0xffffffff}}
> >
> > *query:
> > $8 = {magic = 2312763280, fctx = 0xdededede, mctx = 0xdededede,
> > dispatchmgr = 0xdededede, dispatch = 0xdededede,
> > exclusivesocket = 3739147998, addrinfo = 0xdededede, tcpsocket =
> > 0xdededede,
> > start = {seconds = 3739147998, nanoseconds = 3739147998}, id = 57054,
> > dispentry = 0xdededede, link = {prev = 0xdededede, next = 0xdededede},
> > buffer = {magic = 3739147998, base = 0xdededede, length = 3739147998,
> > used = 3739147998, current = 3739147998, active = 3739147998, link = {
> > prev = 0xdededede, next = 0xdededede}, mctx = 0xdededede},
> > tsig = 0xdededede, tsigkey = 0xdededede, options = 3739147998,
> > attributes = 3739147998, sends = 3739147998, connects = 3739147998,
> > data =
> > "\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336
\33
> 6\
> >
> > 336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\3
36\
> 3
> >
> > 36\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336\336",
> > }
> >
> > Any ideas?
> >
> > On 09/24/2010 09:13 AM, Sergey V. Lobanov wrote:
> >> Yesterday Bind has crashed with the following error:
> >>
> >> # grep segfault messages
> >> Sep 23 20:21:10 ns kernel: [5079807.029465] named[19531]: segfault at
> >> dededf1e ip 0813d4d7 sp b618f320 error 5 in named[8048000+1c9000]
> >>
> >> Is it possible to determine the cause of this failure?
> >>
> >> # uname -a
> >> Linux ns 2.6.32.13-0.4-pae #1 SMP 2010-06-15 12:47:25 +0200 i686 i686
> >> i386 GNU/Linux
> >>
> >> bind configuration options:
> >> $ ./configure --enable-largefile --enable-ipv6 --enable-epoll
> >> --enable-threads
> >>
>
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>
--
wbr,
Sergey V. Lobanov
E-mail: sergey at lobanov.in
Jabber ID: sergey at lobanov.in
Tel.: +79200222866
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