#31810: Bug: ../src/lib/process/process_unix.c:265: process_unix_exec: Assertion line should be unreached failed; aborting. --------------------------------------+------------------------------------ Reporter: Parckwart | Owner: ahf Type: defect | Status: assigned Priority: Medium | Milestone: Tor: 0.4.2.x-final Component: Core Tor | Version: Tor: 0.4.1.5 Severity: Normal | Resolution: Keywords: 042-must, 041-regression | Actual Points: Parent ID: | Points: Reviewer: | Sponsor: --------------------------------------+------------------------------------
Comment (by Parckwart): Sorry, I wasn't aware of 0.4.1.6 beacause it's not yet on deb.torproject.org. I don't know how to trigger this bug and I wasn't able to reproduce it with 0.4.1.6 (manually compiled), however I was able to reproduce with the current git version: {{{ Sep 20 03:08:47 jennis Tor[30798]: Tor 0.4.2.1-alpha-dev (git- e6c5b248aea3e70e) running on Linux with Libevent 2.1.8-stable, OpenSSL 1.1.1c, Zlib 1.2.11, Liblzma N/A, and Libzstd N/A. Sep 20 03:08:47 jennis Tor[30798]: Tor can't help you if you use it wrong! Learn how to be safe at https://www.torproject.org/download/download#warning Sep 20 03:08:47 jennis Tor[30798]: This version is not a stable Tor release. Expect more bugs than usual. Sep 20 03:08:47 jennis Tor[30798]: Read configuration file "/usr/share/tor /tor-service-defaults-torrc". Sep 20 03:08:47 jennis Tor[30798]: Read configuration file "/etc/tor/torrc". Sep 20 03:08:47 jennis Tor[30798]: Opening Socks listener on 127.0.0.1:9050 Sep 20 03:08:47 jennis Tor[30798]: Opened Socks listener on 127.0.0.1:9050 Sep 20 03:08:47 jennis Tor[30798]: Opening DNS listener on 127.0.0.1:53 Sep 20 03:08:47 jennis Tor[30798]: Opened DNS listener on 127.0.0.1:53 Sep 20 03:08:47 jennis Tor[30798]: Opening DNS listener on [::1]:53 Sep 20 03:08:47 jennis Tor[30798]: Opened DNS listener on [::1]:53 Sep 20 03:08:47 jennis Tor[30798]: Opening Transparent pf/netfilter listener on 127.0.0.1:9040 Sep 20 03:08:47 jennis Tor[30798]: Opened Transparent pf/netfilter listener on 127.0.0.1:9040 Sep 20 03:08:47 jennis Tor[30798]: Opening Transparent pf/netfilter listener on [::1]:9040 Sep 20 03:08:47 jennis Tor[30798]: Opened Transparent pf/netfilter listener on [::1]:9040 Sep 20 03:08:47 jennis Tor[30798]: Opening Control listener on 127.0.0.1:9051 Sep 20 03:08:47 jennis Tor[30798]: Opened Control listener on 127.0.0.1:9051 Sep 20 03:08:47 jennis Tor[30799]: tor_assertion_failed_(): Bug: src/lib/process/process_unix.c:265: process_unix_exec: Assertion line should be unreached failed; aborting. (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e Sep 20 03:08:47 jennis Tor[30799]: Bug: Tor 0.4.2.1-alpha-dev (git- e6c5b248aea3e70e): Assertion line should be unreached failed in process_unix_exec at src/lib/process/process_unix.c:265: . Stack trace: (on Tor 0 Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(log_backtrace_impl+0x46) [0x55e4ed462846] (on Tor 0.4.2.1 -alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(tor_assertion_failed_+0x147) [0x55e4ed45d967] (on Tor 0.4.2.1 -alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(process_unix_exec+0x274) [0x55e4ed437104] (on Tor 0.4.2.1 -alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(process_exec+0x5b) [0x55e4ed4354bb] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(pt_configure_remaining_proxies+0x563) [0x55e4ed327fc3] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(set_options+0x17d2) [0x55e4ed3dcdb2] (on Tor 0.4.2.1-alpha- dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(options_init_from_string+0x17d) [0x55e4ed3dddcd] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(options_init_from_torrc+0x404) [0x55e4ed3de464] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(tor_init+0x3c7) [0x55e4ed2af157] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(tor_run_main+0xb4) [0x55e4ed2af9a4] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(tor_main+0x3a) [0x55e4ed2adfaa] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(main+0x19) [0x55e4ed2adb69] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /lib/x86_64-linux- gnu/libc.so.6(__libc_start_main+0xeb) [0x7ff3fa56f09b] (on Tor 0.4.2.1 -alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30799]: Bug: /usr/bin/tor(_start+0x2a) [0x55e4ed2adbba] (on Tor 0.4.2.1-alpha-dev e6c5b248aea3e70e) Sep 20 03:08:47 jennis Tor[30798]: Bootstrapped 0% (starting): Starting Sep 20 03:08:47 jennis Tor[30798]: Starting with guard context "default" Sep 20 03:08:47 jennis Tor[30798]: Pluggable Transport process terminated with status code 6 }}} afh's guess is correct: There is indeed this line in my torrc: {{{ ClientTransportPlugin meek exec /opt/meek/meek-client/meek-client }}} I copied the torrc file from another machine not noticing, that on this machine I don't have meek-client installed. -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31810#comment:3> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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