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Re: [tor-bugs] #32847 [Core Tor/Tor]: Tor 0.4.3.0-alpha-dev asserts when quitting Tor Browser nightly on macOS
#32847: Tor 0.4.3.0-alpha-dev asserts when quitting Tor Browser nightly on macOS
--------------------------+------------------------------------
Reporter: rex4539 | Owner: tbb-team
Type: defect | Status: new
Priority: High | Milestone: Tor: 0.4.3.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
--------------------------+------------------------------------
Comment (by arma):
Managed to reproduce it once, on Linux, with just the tor binary, under
valgrind. I started tor, launched an apt update which went to the debian
onion service, and ^C'ed at a lucky time.
{{{
^CJan 11 08:15:32.000 [notice] Interrupt: exiting cleanly.
Jan 11 08:15:32.000 [err] tor_assertion_failed_(): Bug:
src/feature/rend/rendcache.c:529: rend_cache_lookup_entry: Assertion
rend_cache failed; aborting. (on Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: Tor 0.4.3.0-alpha-dev (git-
5888db496746e2fe): Assertion rend_cache failed in rend_cache_lookup_entry
at src/feature/rend/rendcache.c:529: . Stack trace: (on Tor 0.4.3.0-alpha-
dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: src/app/tor(log_backtrace_impl+0x56)
[0x31f386] (on Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug:
src/app/tor(tor_assertion_failed_+0x147) [0x31a3e7] (on Tor 0.4.3.0-alpha-
dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug:
src/app/tor(rend_cache_lookup_entry+0x112) [0x25acb2] (on Tor 0.4.3.0
-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug:
src/app/tor(rend_client_report_intro_point_failure+0x45) [0x25db05] (on
Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug:
src/app/tor(hs_circ_cleanup_on_free+0x94) [0x211f84] (on Tor 0.4.3.0
-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: src/app/tor(+0x8a672) [0x192672] (on
Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: src/app/tor(circuit_free_all+0xca)
[0x19307a] (on Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: src/app/tor(tor_free_all+0x51)
[0x169ab1] (on Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: src/app/tor(tor_run_main+0x1125)
[0x168725] (on Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: src/app/tor(tor_main+0x3a) [0x165fba]
(on Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: src/app/tor(main+0x19) [0x165b79] (on
Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: /lib/x86_64-linux-
gnu/libc.so.6(__libc_start_main+0xeb) [0x521b09b] (on Tor 0.4.3.0-alpha-
dev 5888db496746e2fe)
Jan 11 08:15:32.000 [err] Bug: src/app/tor(_start+0x2a) [0x165bca] (on
Tor 0.4.3.0-alpha-dev 5888db496746e2fe)
}}}
{{{
==4027== Process terminating with default action of signal 6 (SIGABRT)
==4027== at 0x522E7BB: raise (raise.c:51)
==4027== by 0x5219534: abort (abort.c:79)
==4027== by 0x31FA5D: tor_raw_abort_ (torerr.c:227)
==4027== by 0x31A68D: tor_abort_ (util_bug.c:176)
==4027== by 0x25ACB6: rend_cache_lookup_entry (rendcache.c:529)
==4027== by 0x25DB04: rend_client_report_intro_point_failure
(rendclient.c:803)
==4027== by 0x211F83: cleanup_on_free_client_circ (hs_circuit.c:631)
==4027== by 0x211F83: hs_circ_cleanup_on_free (hs_circuit.c:1274)
==4027== by 0x192671: circuit_free_.part.19 (circuitlist.c:1139)
==4027== by 0x193079: circuit_free_ (circuitlist.c:1127)
==4027== by 0x193079: circuit_free_all (circuitlist.c:1312)
==4027== by 0x169AB0: tor_free_all (shutdown.c:123)
==4027== by 0x168724: tor_run_main (main.c:1318)
==4027== by 0x165FB9: tor_main (tor_api.c:164)
}}}
There is definitely some sort of race, where you have to {{{^C}}} it at
just the right time.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32847#comment:10>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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