[tor-bugs] #23618 [Core Tor/Tor]: "Bug: tor_compress_process: Non-fatal assertion"

[Tor Bug Tracker & Wiki]

#23618: "Bug: tor_compress_process: Non-fatal assertion"
------------------------------+--------------------------------
     Reporter:  torvlnt33r    |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:  Tor: 0.3.2.1-alpha
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+--------------------------------
 Getting many such messages since upgrading to Tor 0.3.2.1-alpha, on a
 client connected to a bridge running 0.3.2.1-alpha too:

 Sep 21 21:00:16.000 [warn] tor_bug_occurred_(): Bug:
 ../src/common/compress.c:576: tor_compress_process: Non-fatal assertion
 !((rv == TOR_COMPRESS_OK) && *in_len == in_len_orig && *out_len ==
 out_len_orig) failed. (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug: Non-fatal assertion !((rv ==
 TOR_COMPRESS_OK) && *in_len == in_len_orig && *out_len == out_len_orig)
 failed in tor_compress_process at ../src/common/compress.c:576. Stack
 trace: (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(log_backtrace+0x43)
 [0x557e14f28ba3] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(tor_bug_occurred_+0xb9)
 [0x557e14f43cd9] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:
 /usr/bin/tor(tor_compress_process+0x14b) [0x557e14f4d50b] (on Tor
 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(+0x1a7745)
 [0x557e14f4d745] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(tor_uncompress+0x31)
 [0x557e14f4dc01] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:
 /usr/bin/tor(connection_dir_reached_eof+0x1211) [0x557e14ed9301] (on Tor
 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(+0x10b259)
 [0x557e14eb1259] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(+0x51f0e)
 [0x557e14df7f0e] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.1.so.6(+0x229ba) [0x7f9a861109ba] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/lib/x86_64-linux-
 gnu/libevent-2.1.so.6(event_base_loop+0x5a7) [0x7f9a86111537] (on Tor
 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(do_main_loop+0x28d)
 [0x557e14df8e5d] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(tor_main+0xe1d)
 [0x557e14dfbc6d] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(main+0x19)
 [0x557e14df4699] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /lib/x86_64-linux-
 gnu/libc.so.6(__libc_start_main+0xf1) [0x7f9a849032e1] (on Tor
 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] Bug:     /usr/bin/tor(_start+0x2a)
 [0x557e14df46ea] (on Tor 0.3.2.1-alpha )
 Sep 21 21:00:16.000 [warn] More info on the bug: method == Zstandard
 compressed, finish == 0,  *in_len == in_len_orig == 2878, *out_len ==
 out_len_orig == 0

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23618>
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