[tor-bugs] #23885 [Core Tor/Tor]: Assertion crash after circuit_handle_oom() has been called
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Wed Oct 18 07:36:16 UTC 2017
#23885: Assertion crash after circuit_handle_oom() has been called
--------------------------+------------------------------
Reporter: Jaym | Owner: (none)
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Core Tor/Tor | Version: Tor: 0.3.1.7
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
--------------------------+------------------------------
Description changed by arma:
Old description:
> Oct 16 05:15:23.000 [notice] We're low on memory. Killing circuits with
> over-long queues. (This behavior is controlled by MaxMemInQueues.)
> Oct 16 05:15:23.000 [notice] Removed 16912 bytes by killing 102 circuits;
> 0 circuits remain alive. Also killed 2 non-linked directory connections.
> Oct 16 05:19:23.000 [notice] We're low on memory. Killing circuits with
> over-long queues. (This behavior is controlled by MaxMemInQueues.)
> Oct 16 05:19:23.000 [notice] Removed 37392 bytes by killing 28 circuits;
> 0 circuits remain alive. Also killed 2 non-linked directory connections.
> Oct 16 05:19:23.000 [err] tor_assertion_failed_(): Bug:
> ../src/or/buffers.c:801: flush_buf: Assertion *buf_flushlen <=
> buf->datalen failed; aborting. (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: Assertion *buf_flushlen <= buf->datalen
> failed in flush_buf at ../src/or/buffers.c:801. Stack trace: (on Tor
> 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(log_backtrace+0x42)
> [0x55e352e8bd92] (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug:
> /usr/bin/tor(tor_assertion_failed_+0x8c) [0x55e352ea4a0c] (on Tor 0.3.1.7
> )
> Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(flush_buf+0x2a7)
> [0x55e352dddb07] (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(+0x108b5b)
> [0x55e352e28b5b] (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug:
> /usr/bin/tor(connection_handle_write+0x2e) [0x55e352e2975e] (on Tor
> 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(+0x4e18e)
> [0x55e352d6e18e] (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /usr/lib/x86_64-linux-
> gnu/libevent-2.0.so.5(event_base_loop+0x7fc) [0x7fcce52ba3dc] (on Tor
> 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(do_main_loop+0x2a4)
> [0x55e352d6f4d4] (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(tor_main+0x1c35)
> [0x55e352d72e55] (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(main+0x19)
> [0x55e352d6abd9] (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /lib/x86_64-linux-
> gnu/libc.so.6(__libc_start_main+0xf5) [0x7fcce3e44b45] (on Tor 0.3.1.7 )
> Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(+0x4ac29)
> [0x55e352d6ac29] (on Tor 0.3.1.7 )
>
> It happened over a new exit relay (low consensus) with 2GB memory.
New description:
{{{
Oct 16 05:15:23.000 [notice] We're low on memory. Killing circuits with
over-long queues. (This behavior is controlled by MaxMemInQueues.)
Oct 16 05:15:23.000 [notice] Removed 16912 bytes by killing 102 circuits;
0 circuits remain alive. Also killed 2 non-linked directory connections.
Oct 16 05:19:23.000 [notice] We're low on memory. Killing circuits with
over-long queues. (This behavior is controlled by MaxMemInQueues.)
Oct 16 05:19:23.000 [notice] Removed 37392 bytes by killing 28 circuits; 0
circuits remain alive. Also killed 2 non-linked directory connections.
Oct 16 05:19:23.000 [err] tor_assertion_failed_(): Bug:
../src/or/buffers.c:801: flush_buf: Assertion *buf_flushlen <=
buf->datalen failed; aborting. (on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: Assertion *buf_flushlen <= buf->datalen
failed in flush_buf at ../src/or/buffers.c:801. Stack trace: (on Tor
0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(log_backtrace+0x42)
[0x55e352e8bd92] (on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug:
/usr/bin/tor(tor_assertion_failed_+0x8c) [0x55e352ea4a0c] (on Tor 0.3.1.7
)
Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(flush_buf+0x2a7)
[0x55e352dddb07] (on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(+0x108b5b)
[0x55e352e28b5b] (on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug:
/usr/bin/tor(connection_handle_write+0x2e) [0x55e352e2975e] (on Tor
0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(+0x4e18e) [0x55e352d6e18e]
(on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /usr/lib/x86_64-linux-
gnu/libevent-2.0.so.5(event_base_loop+0x7fc) [0x7fcce52ba3dc] (on Tor
0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(do_main_loop+0x2a4)
[0x55e352d6f4d4] (on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(tor_main+0x1c35)
[0x55e352d72e55] (on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(main+0x19)
[0x55e352d6abd9] (on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /lib/x86_64-linux-
gnu/libc.so.6(__libc_start_main+0xf5) [0x7fcce3e44b45] (on Tor 0.3.1.7 )
Oct 16 05:19:23.000 [err] Bug: /usr/bin/tor(+0x4ac29) [0x55e352d6ac29]
(on Tor 0.3.1.7 )
}}}
It happened over a new exit relay (low consensus) with 2GB memory.
--
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23885#comment:2>
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