[tor-bugs] #15102 [Tor]: Tor on a 30MB/s bridge crashed with tor_assertion_failed_() in ../src/or/buffers.c:2627

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#15102: Tor on a 30MB/s bridge crashed with tor_assertion_failed_() in
../src/or/buffers.c:2627
--------------------+-------------------------------
 Reporter:  amki    |          Owner:
     Type:  defect  |         Status:  new
 Priority:  normal  |      Milestone:
Component:  Tor     |        Version:  Tor: 0.2.5.10
 Keywords:          |  Actual Points:
Parent ID:          |         Points:
--------------------+-------------------------------
 Hi,

 unfortunately our tor relay just crashed today while relaying aroung
 20MB/s data.

 This is all I could find in the /var/log/tor/log:

 Mar 02 11:02:23.000 [notice] Heartbeat: Tor's uptime is 30 days 6:00
 hours, with 27608 circuits open. I've sent 63378.02 GB and received
 61162.07 GB.
 Mar 02 11:02:23.000 [notice] Average packaged cell fullness: 99.115%
 Mar 02 11:02:23.000 [notice] TLS write overhead: 3%
 Mar 02 11:02:23.000 [notice] Circuit handshake stats since last time:
 216438/216438 TAP, 170322/170322 NTor.
 Mar 02 11:18:54.000 [err] tor_assertion_failed_(): Bug:
 ../src/or/buffers.c:2627: assert_buf_ok: Assertion ch->data <
 &ch->mem[0]+ch->memlen failed; aborting.
 Mar 02 11:18:54.000 [err] Bug: Assertion ch->data < &ch->mem[0]+ch->memlen
 failed in assert_buf_ok at ../src/or/buffers.c:2627. Stack trace:
 Mar 02 11:18:54.000 [err] Bug:     /usr/bin/tor(log_backtrace+0x41)
 [0x7fc22b3d6191]
 Mar 02 11:18:54.000 [err] Bug:
 /usr/bin/tor(tor_assertion_failed_+0x94) [0x7fc22b3e1d94]
 Mar 02 11:18:54.000 [err] Bug:     /usr/bin/tor(assert_buf_ok+0x167)
 [0x7fc22b3528a7]
 Mar 02 11:18:54.000 [err] Bug:     /usr/bin/tor(assert_connection_ok+0xce)
 [0x7fc22b38bbae]
 Mar 02 11:18:54.000 [err] Bug:     /usr/bin/tor(+0x35017) [0x7fc22b2fa017]
 Mar 02 11:18:54.000 [err] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.0.so.5(event_base_loop+0x754) [0x7fc22a94af24]
 Mar 02 11:18:54.000 [err] Bug:     /usr/bin/tor(do_main_loop+0x195)
 [0x7fc22b2fb7b5]
 Mar 02 11:18:54.000 [err] Bug:     /usr/bin/tor(tor_main+0x18f5)
 [0x7fc22b2fe7a5]
 Mar 02 11:18:54.000 [err] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xf5) [0x7fc229b2bec5]
 Mar 02 11:18:54.000 [err] Bug:     /usr/bin/tor(+0x32f5b) [0x7fc22b2f7f5b]

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15102>
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