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[tor-bugs] #22209 [Core Tor/Tor]: Channelpadding tests fail on kevent-based systems
#22209: Channelpadding tests fail on kevent-based systems
------------------------------+--------------------------------
Reporter: nickm | Owner:
Type: defect | Status: new
Priority: High | Milestone: Tor: 0.3.1.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Keywords:
Actual Points: | Parent ID:
Points: | Reviewer:
Sponsor: |
------------------------------+--------------------------------
First observed on freebsd, reproduced on osx:
{{{
[532]$ ./src/test/test channelpadding/..
channelpadding/channelpadding_decide_to_pad_channel: [forking] [warn]
kevent: Bad file descriptor
FAIL src/test/test_channelpadding.c:759: assert(tried_to_write_cell
OP_EQ 1): 0 vs 1May 09 13:07:08.604 [err] tor_assertion_failed_: Bug:
src/or/scheduler.c:398: scheduler_release_channel__real: Assertion
channels_pending failed; aborting. (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: Assertion channels_pending failed in
scheduler_release_channel__real at src/or/scheduler.c:398. Stack trace:
(on Tor 0.3.1.0-alpha-dev 9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 0 test
0x000000010f350f49 log_backtrace + 73 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 1 test
0x000000010f3b600e tor_assertion_failed_ + 318 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 2 test
0x000000010f2de166 scheduler_release_channel__real + 310 (on Tor 0.3.1.0
-alpha-dev 9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 3 test
0x000000010ee2b4bc channel_change_state + 1180 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 4 test
0x000000010ee2ac52 channel_mark_for_close + 386 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 5 test
0x000000010ee3b0e4 channel_free_list + 2308 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 6 test
0x000000010ee3a4ef channel_free_all + 223 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 7 test
0x000000010ea8a673 test_channelpadding_decide_to_pad_channel + 1283 (on
Tor 0.3.1.0-alpha-dev 9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 8 test
0x000000010edf25d9 testcase_run_bare_ + 329 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 9 test
0x000000010edf2374 testcase_run_one + 2932 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 10 test
0x000000010edf3861 tinytest_main + 1553 (on Tor 0.3.1.0-alpha-dev
9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 11 test
0x000000010edf0397 main + 1703 (on Tor 0.3.1.0-alpha-dev 9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 12 libdyld.dylib
0x00007fffa1660235 start + 1 (on Tor 0.3.1.0-alpha-dev 9f5b71a7cafbaf14)
May 09 13:07:08.612 [err] Bug: 13 ???
0x0000000000000002 0x0 + 2 (on Tor 0.3.1.0-alpha-dev 9f5b71a7cafbaf14)
[Lost connection!]
[channelpadding_decide_to_pad_channel FAILED]
channelpadding/channelpadding_negotiation: [forking] OK
channelpadding/channelpadding_consensus: [forking] [warn] kevent: Bad file
descriptor
FAIL src/test/test_channelpadding.c:398: assert(tried_to_write_cell
OP_EQ 1): 0 vs 1
[channelpadding_consensus FAILED]
channelpadding/channelpadding_timers: [forking] [warn] kevent: Bad file
descriptor
FAIL src/test/test_channelpadding.c:324: assert(tried_to_write_cell
OP_EQ CHANNELS_TO_TEST): 0 vs 100
[channelpadding_timers FAILED]
3/4 TESTS FAILED. (0 skipped)
}}}
The problem might be because of the "kevent: bad file descriptor" thing;
there might be a libevent mainloop that is not surviving across fork(), or
is getting closed somewhere.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22209>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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