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Re: [tor-bugs] #28992 [Core Tor/Tor]: Bug: ../src/feature/hs/hs_client.c:571: send_introduce1: Non-fatal assertion !(ip == NULL) failed.

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Subject: Re: [tor-bugs] #28992 [Core Tor/Tor]: Bug: ../src/feature/hs/hs_client.c:571: send_introduce1: Non-fatal assertion !(ip == NULL) failed.
From: "Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>
Date: Tue, 04 Feb 2020 08:13:06 -0000
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#28992: Bug: ../src/feature/hs/hs_client.c:571: send_introduce1: Non-fatal
assertion !(ip == NULL) failed.
--------------------------+------------------------------------
 Reporter:  traumschule   |          Owner:  (none)
     Type:  defect        |         Status:  reopened
 Priority:  Medium        |      Milestone:  Tor: 0.4.0.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  tor-hs        |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------
Changes (by gk):

 * status:  closed => reopened
 * resolution:  worksforme =>


Comment:

 I think I got that one, too, yesterday, however, only the last assert and
 without the clock jump line:
 {{{
 Feb 03 13:03:57.000 [warn] tor_bug_occurred_(): Bug:
 ../src/feature/hs/hs_client.c:636: send_introduce1: Non-fatal assertion
 !(ip == NULL) failed. (Future instances of this warning will be silenced.)
 (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug: Tor 0.4.3.1-alpha-dev (git-
 39c5e1b84994c2f2): Non-fatal assertion !(ip == NULL) failed in
 send_introduce1 at ../src/feature/hs/hs_client.c:636. Stack trace: (on Tor
 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libasan.so.5(+0x69c51) [0x7f2f065fcc51] (on Tor 0.4.3.1-alpha-dev
 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(log_backtrace_impl+0x60) [0x5591ba79fc60]
 (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(tor_bug_occurred_+0x2de) [0x5591ba79590e]
 (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(hs_client_send_introduce1+0x3da)
 [0x5591ba58bfaa] (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(connection_ap_handshake_attach_circuit+0xacf)
 [0x5591ba478a2f] (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(connection_ap_attach_pending+0x2e0)
 [0x5591ba4827b0] (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(hs_client_receive_rendezvous_acked+0xc7)
 [0x5591ba58cbe7] (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(rend_process_relay_cell+0x200)
 [0x5591ba63b7a0] (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(+0x2a786f) [0x5591ba4bd86f] (on Tor 0.4.3.1
 -alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(+0x2aa322) [0x5591ba4c0322] (on Tor 0.4.3.1
 -alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(circuit_receive_relay_cell+0xa3b)
 [0x5591ba4c4c1b] (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(command_process_cell+0x7c8) [0x5591ba47c348]
 (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(channel_tls_handle_cell+0x5cf)
 [0x5591ba42e50f] (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(+0x27bf61) [0x5591ba491f61] (on Tor 0.4.3.1
 -alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(connection_handle_read+0x1ae2)
 [0x5591ba40a772] (on Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(+0x200831) [0x5591ba416831] (on Tor 0.4.3.1
 -alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.1.so.7(+0x23b0f) [0x7f2f063fbb0f] (on Tor 0.4.3.1-alpha-dev
 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.1.so.7(event_base_loop+0x52f) [0x7f2f063fc24f] (on Tor
 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(do_main_loop+0x21d) [0x5591ba41855d] (on Tor
 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(tor_run_main+0x173d) [0x5591ba3ef4dd] (on
 Tor 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(tor_main+0x68) [0x5591ba3eb3d8] (on Tor
 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(main+0x1c) [0x5591ba3e471c] (on Tor 0.4.3.1
 -alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xeb) [0x7f2f05ed2bbb] (on Tor 0.4.3.1
 -alpha-dev 39c5e1b84994c2f2)
 Feb 03 13:03:57.000 [warn] Bug:
 /home/thomas/Arbeit/Tor/debugging/32379/tor-browser_en-
 US/Browser/TorBrowser/Tor/tor(_start+0x2a) [0x5591ba3eab4a] (on Tor
 0.4.3.1-alpha-dev 39c5e1b84994c2f2)
 }}}
 I wonder how to repro that one, though, as I've never seen this before in
 Tor Browser. :(

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28992#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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