sandbox error on 0.4.2.x
0.4.2.x has (apparently introduced) a sandbox issue. This did not happen on 0.4.1.6 before.
Currently it seems to happen every time at midnight (the hup might come from logrotate)
Dec 17 23:55:04.000 [notice] Uploaded signature(s) to dirserver 171.25.193.9:443
Dec 17 23:57:30.000 [notice] Time to fetch any signatures that we're missing.
Dec 18 00:00:00.000 [notice] Time to publish the consensus and discard old votes
Dec 18 00:00:00.000 [notice] Published ns consensus
Dec 18 00:00:01.000 [notice] Published microdesc consensus
Dec 18 00:00:04.000 [notice] Received reload signal (hup). Reloading config and resetting internal state.
Dec 18 00:00:04.000 [notice] Read configuration file "/usr/share/tor/tor-service-defaults-torrc".
Dec 18 00:00:04.000 [notice] Read configuration file "/etc/tor/torrc".
============================================================ T= 1576627205
(Sandbox) Caught a bad syscall attempt (syscall dup)
/usr/bin/tor(+0x1fc9fa)[0x565130b7a9fa]
/lib/x86_64-linux-gnu/libc.so.6(dup+0x7)[0x7f46a89a0bc7]
/lib/x86_64-linux-gnu/libc.so.6(dup+0x7)[0x7f46a89a0bc7]
/usr/bin/tor(tor_log_update_sigsafe_err_fds+0x18b)[0x565130b8e99b]
/usr/bin/tor(set_options+0x3c0)[0x565130b0af80]
/usr/bin/tor(options_init_from_string+0x17d)[0x565130b0d3dd]
/usr/bin/tor(options_init_from_torrc+0x404)[0x565130b0da74]
/usr/bin/tor(+0x5f961)[0x5651309dd961]
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6(+0x22a6c)[0x7f46a8ff8a6c]
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6(event_base_loop+0x5a7)[0x7f46a8ff9537]
/usr/bin/tor(do_main_loop+0xff)[0x5651309f23af]
/usr/bin/tor(tor_run_main+0x1105)[0x5651309dfd55]
/usr/bin/tor(tor_main+0x3a)[0x5651309dd23a]
/usr/bin/tor(main+0x19)[0x5651309dcdf9]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xeb)[0x7f46a88da09b]
/usr/bin/tor(_start+0x2a)[0x5651309dce4a]and
Dec 20 00:00:00.000 [notice] Published microdesc consensus
Dec 20 00:00:05.000 [notice] Received reload signal (hup). Reloading config and resetting internal state.
Dec 20 00:00:05.000 [notice] Read configuration file "/usr/share/tor/tor-service-defaults-torrc".
Dec 20 00:00:05.000 [notice] Read configuration file "/etc/tor/torrc".
============================================================ T= 1576800005
(Sandbox) Caught a bad syscall attempt (syscall dup)
/usr/bin/tor(+0x1fc9fa)[0x55ffd52439fa]
/lib/x86_64-linux-gnu/libc.so.6(dup+0x7)[0x7fcb63423bc7]
/lib/x86_64-linux-gnu/libc.so.6(dup+0x7)[0x7fcb63423bc7]
/usr/bin/tor(tor_log_update_sigsafe_err_fds+0x18b)[0x55ffd525799b]
/usr/bin/tor(set_options+0x3c0)[0x55ffd51d3f80]
/usr/bin/tor(options_init_from_string+0x17d)[0x55ffd51d63dd]
/usr/bin/tor(options_init_from_torrc+0x404)[0x55ffd51d6a74]
/usr/bin/tor(+0x5f961)[0x55ffd50a6961]
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6(+0x22a6c)[0x7fcb63a7ba6c]
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6(event_base_loop+0x5a7)[0x7fcb63a7c537]
/usr/bin/tor(do_main_loop+0xff)[0x55ffd50bb3af]
/usr/bin/tor(tor_run_main+0x1105)[0x55ffd50a8d55]
/usr/bin/tor(tor_main+0x3a)[0x55ffd50a623a]
/usr/bin/tor(main+0x19)[0x55ffd50a5df9]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xeb)[0x7fcb6335d09b]
/usr/bin/tor(_start+0x2a)[0x55ffd50a5e4a]