[tbb-bugs] #27531 [Applications/Tor Browser]: Tor Browser 8 crashes trying to print on Linux

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#27531: Tor Browser 8 crashes trying to print on Linux
-------------------------------------------------+-------------------------
 Reporter:  mikeperry                            |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_information
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-crash, tbb.8.0-issues, tbb-      |  Actual Points:
  regression                                     |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by Jaym):

 Attaching gdb to the asan build, there is first the following issue:
 {{{
 Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
 0x00007f64a379ebf9 in __GI___poll (fds=0x6040004ae110, nfds=6, timeout=-1)
 at ../sysdeps/unix/sysv/linux/poll.c:29
 29      ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
 (gdb) bt
 #0  0x00007f64a379ebf9 in __GI___poll (fds=0x6040004ae110, nfds=6,
 timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
 #1  0x00007f64a48140b4 in poll () from
 ./Browser/TorBrowser/Tor/libasan.so.3
 #2  0x00007f649083acef in PollWrapper (ufds=0x6040004ae110, nfsd=6,
 timeout_=-1) at /var/tmp/build/firefox-
 124fa904c4b2/widget/gtk/nsAppShell.cpp:53
 #3  0x00007f649d675439 in ?? () from /usr/lib/x86_64-linux-
 gnu/libglib-2.0.so.0
 #4  0x00007f649d67554c in g_main_context_iteration () from /usr/lib/x86_64
 -linux-gnu/libglib-2.0.so.0
 #5  0x00007f649083ae4f in nsAppShell::ProcessNextNativeEvent
 (this=<optimized out>, mayWait=<optimized out>)
     at /var/tmp/build/firefox-124fa904c4b2/widget/gtk/nsAppShell.cpp:295
 #6  0x00007f64907b0f5d in nsBaseAppShell::DoProcessNextNativeEvent
 (this=this at entry=0x608000022e20, mayWait=<optimized out>)
     at /var/tmp/build/firefox-124fa904c4b2/widget/nsBaseAppShell.cpp:139
 #7  0x00007f64907b140a in nsBaseAppShell::OnProcessNextEvent
 (this=0x608000022e20, thr=0x60e0000264c0, mayWait=<optimized out>)
     at /var/tmp/build/firefox-124fa904c4b2/widget/nsBaseAppShell.cpp:290
 #8  0x00007f648ba40f86 in nsThread::ProcessNextEvent (this=0x60e0000264c0,
 aMayWait=<optimized out>, aResult=<optimized out>)
     at /var/tmp/build/firefox-124fa904c4b2/xpcom/threads/nsThread.cpp:952
 #9  0x00007f648ba59842 in NS_ProcessNextEvent
 (aThread=aThread at entry=0x60e0000264c0, aMayWait=aMayWait at entry=true)
     at /var/tmp/build/firefox-
 124fa904c4b2/xpcom/threads/nsThreadUtils.cpp:517
 #10 0x00007f648c4a3cc2 in mozilla::ipc::MessagePump::Run
 (this=0x606000122d80, aDelegate=0x61400001e040) at /var/tmp/build/firefox-
 124fa904c4b2/ipc/glue/MessagePump.cpp:125
 #11 0x00007f648c426586 in MessageLoop::RunInternal (this=<optimized out>)
 at /var/tmp/build/firefox-
 124fa904c4b2/ipc/chromium/src/base/message_loop.cc:326
 #12 MessageLoop::RunHandler (this=<optimized out>) at /var/tmp/build
 /firefox-124fa904c4b2/ipc/chromium/src/base/message_loop.cc:319
 #13 MessageLoop::Run (this=<optimized out>) at /var/tmp/build/firefox-
 124fa904c4b2/ipc/chromium/src/base/message_loop.cc:299
 #14 0x00007f64907a8149 in nsBaseAppShell::Run (this=0x608000022e20) at
 /var/tmp/build/firefox-124fa904c4b2/widget/nsBaseAppShell.cpp:157
 #15 0x00007f6492ece006 in nsAppStartup::Run (this=0x607000058690) at
 /var/tmp/build/firefox-
 124fa904c4b2/toolkit/components/startup/nsAppStartup.cpp:290
 #16 0x00007f64930666b0 in XREMain::XRE_mainRun
 (this=this at entry=0x7ffe06f1bfc0) at /var/tmp/build/firefox-
 124fa904c4b2/toolkit/xre/nsAppRunner.cpp:5372
 #17 0x00007f64930691f9 in XREMain::XRE_main
 (this=this at entry=0x7ffe06f1bfc0, argc=argc at entry=1,
 argv=argv at entry=0x7ffe06f1d428, aConfig=...)
     at /var/tmp/build/firefox-
 124fa904c4b2/toolkit/xre/nsAppRunner.cpp:5517
 #18 0x00007f6493069d9e in XRE_main (argc=1, argv=<optimized out>,
 aConfig=...) at /var/tmp/build/firefox-
 124fa904c4b2/toolkit/xre/nsAppRunner.cpp:5609
 #19 0x000055613d01e1d9 in do_main (argc=1, argv=0x7ffe06f1d428,
 envp=<optimized out>) at /var/tmp/build/firefox-
 124fa904c4b2/browser/app/nsBrowserApp.cpp:231
 #20 0x000055613d01cae0 in main (argc=1, argv=0x7ffe06f1d428,
 envp=0x7ffe06f1d438) at /var/tmp/build/firefox-
 124fa904c4b2/browser/app/nsBrowserApp.cpp:304
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27531#comment:8>
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