Bug: Intermittent SUMMARY: AddressSanitizer: SEGV (/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0+0x111a2f)
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-04-20 13:52:44+00:00
Resolved: 2023-02-07 17:04:05+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=375139267&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/V1Twe9otQMi0tkUW1rDtAQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-04-20T12:06:57.483Z] 12:06:57     INFO - TEST-START | browser/components/shell/test/browser_420786.js
[task 2022-04-20T12:06:58.157Z] 12:06:58     INFO - GECKO(5587) | [Parent 5587, Main Thread] WARNING: g_object_ref: assertion 'G_IS_OBJECT (object)' failed: 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:167
[task 2022-04-20T12:06:58.157Z] 12:06:58     INFO - GECKO(5587) | (firefox-default:5587): GLib-GObject-CRITICAL **: 12:06:58.152: g_object_ref: assertion 'G_IS_OBJECT (object)' failed
[task 2022-04-20T12:06:58.157Z] 12:06:58     INFO - GECKO(5587) | AddressSanitizer:DEADLYSIGNAL
[task 2022-04-20T12:06:58.157Z] 12:06:58     INFO - GECKO(5587) | =================================================================
[task 2022-04-20T12:06:58.157Z] 12:06:58    ERROR - GECKO(5587) | ==5587==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000018 (pc 0x7fbfc30bfa2f bp 0x61d0007c31c0 sp 0x7ffe0addf280 T0)
[task 2022-04-20T12:06:58.157Z] 12:06:58     INFO - GECKO(5587) | ==5587==The signal is caused by a READ memory access.
[task 2022-04-20T12:06:58.157Z] 12:06:58     INFO - GECKO(5587) | ==5587==Hint: address points to the zero page.
[task 2022-04-20T12:06:58.917Z] 12:06:58     INFO - GECKO(5587) |     #0 0x7fbfc30bfa2f  (/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0+0x111a2f)
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #1 0x7fbfc30ba38e  (/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0+0x10c38e)
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #2 0x7fbfc2a8f3a4 in g_main_context_dispatch (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4c3a4)
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #3 0x7fbfc2a8f76f  (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4c76f)
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #4 0x7fbfc2a8f7fb in g_main_context_iteration (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4c7fb)
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #5 0x7fbfaca55a5c in nsAppShell::ProcessNextNativeEvent(bool) /builds/worker/checkouts/gecko/widget/gtk/nsAppShell.cpp:384:26
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #6 0x7fbfac90552b in nsBaseAppShell::DoProcessNextNativeEvent(bool) /builds/worker/checkouts/gecko/widget/nsBaseAppShell.cpp:120:17
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #7 0x7fbfac905e03 in nsBaseAppShell::OnProcessNextEvent(nsIThreadInternal*, bool) /builds/worker/checkouts/gecko/widget/nsBaseAppShell.cpp:248:7
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #8 0x7fbfac9063ac in non-virtual thunk to nsBaseAppShell::OnProcessNextEvent(nsIThreadInternal*, bool) /builds/worker/checkouts/gecko/widget/nsBaseAppShell.cpp
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #9 0x7fbfa54e764a in nsThread::ProcessNextEvent(bool, bool*) /builds/worker/checkouts/gecko/xpcom/threads/nsThread.cpp:1096:10
[task 2022-04-20T12:06:58.918Z] 12:06:58     INFO - GECKO(5587) |     #10 0x7fbfa54f1b0c in NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:465:10
[task 2022-04-20T12:06:58.919Z] 12:06:58     INFO - GECKO(5587) |     #11 0x7fbfa67fc5e8 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /builds/worker/checkouts/gecko/ipc/glue/MessagePump.cpp:85:21
[task 2022-04-20T12:06:58.919Z] 12:06:58     INFO - GECKO(5587) |     #12 0x7fbfa6705761 in RunInternal /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:380:10
[task 2022-04-20T12:06:58.920Z] 12:06:58     INFO - GECKO(5587) |     #13 0x7fbfa6705761 in RunHandler /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:373:3
[task 2022-04-20T12:06:58.921Z] 12:06:58     INFO - GECKO(5587) |     #14 0x7fbfa6705761 in MessageLoop::Run() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:355:3
[task 2022-04-20T12:06:58.921Z] 12:06:58     INFO - GECKO(5587) |     #15 0x7fbfac905667 in nsBaseAppShell::Run() /builds/worker/checkouts/gecko/widget/nsBaseAppShell.cpp:137:27
[task 2022-04-20T12:06:58.921Z] 12:06:58     INFO - GECKO(5587) |     #16 0x7fbfb0bd3257 in nsAppStartup::Run() /builds/worker/checkouts/gecko/toolkit/components/startup/nsAppStartup.cpp:295:30
[task 2022-04-20T12:06:58.922Z] 12:06:58     INFO - GECKO(5587) |     #17 0x7fbfb0dd890e in XREMain::XRE_mainRun() /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:5746:22
[task 2022-04-20T12:06:58.923Z] 12:06:58     INFO - GECKO(5587) |     #18 0x7fbfb0dda659 in XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:5931:8
[task 2022-04-20T12:06:58.924Z] 12:06:58     INFO - GECKO(5587) |     #19 0x7fbfb0ddb393 in XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/checkouts/gecko/toolkit/xre/nsAppRunner.cpp:5998:21
[task 2022-04-20T12:06:58.924Z] 12:06:58     INFO - GECKO(5587) |     #20 0x5631517d7114 in do_main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:225:22
[task 2022-04-20T12:06:58.924Z] 12:06:58     INFO - GECKO(5587) |     #21 0x5631517d7114 in main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:395:16
[task 2022-04-20T12:06:58.925Z] 12:06:58     INFO - GECKO(5587) |     #22 0x7fbfc84b8b96 in __libc_start_main /tmp/glibc/csu/../csu/libc-start.c:310
[task 2022-04-20T12:06:58.925Z] 12:06:58     INFO - GECKO(5587) |     #23 0x5631517258ac in _start (/builds/worker/workspace/build/application/firefox/firefox+0x588ac)
[task 2022-04-20T12:06:58.926Z] 12:06:58     INFO - GECKO(5587) | AddressSanitizer can not provide additional info.
[task 2022-04-20T12:06:58.927Z] 12:06:58     INFO - GECKO(5587) | SUMMARY: AddressSanitizer: SEGV (/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0+0x111a2f)
[task 2022-04-20T12:06:58.927Z] 12:06:58     INFO - GECKO(5587) | ==5587==ABORTING
[task 2022-04-20T12:06:58.965Z] 12:06:58     INFO - GECKO(5587) | Exiting due to channel error.
[task 2022-04-20T12:06:58.997Z] 12:06:58     INFO - GECKO(5587) | Exiting due to channel error.
[task 2022-04-20T12:06:58.999Z] 12:06:58     INFO - GECKO(5587) | Exiting due to channel error.
[task 2022-04-20T12:06:59.000Z] 12:06:59     INFO - GECKO(5587) | Exiting due to channel error.
[task 2022-04-20T12:06:59.001Z] 12:06:59     INFO - GECKO(5587) | Exiting due to channel error.
[task 2022-04-20T12:06:59.003Z] 12:06:59     INFO - GECKO(5587) | Exiting due to channel error.
[task 2022-04-20T12:06:59.004Z] 12:06:59     INFO - GECKO(5587) | Exiting due to channel error.
[task 2022-04-20T12:06:59.051Z] 12:06:59     INFO - TEST-INFO | Main app process: exit 0
[task 2022-04-20T12:06:59.051Z] 12:06:59     INFO - runtests.py | Application ran for: 0:00:10.079513
[task 2022-04-20T12:06:59.052Z] 12:06:59     INFO - zombiecheck | Reading PID log: /tmp/tmpn91a0w3qpidlog
[task 2022-04-20T12:06:59.052Z] 12:06:59     INFO - ==> process 5587 launched child process 5604
[task 2022-04-20T12:06:59.053Z] 12:06:59     INFO - ==> process 5587 launched child process 5653
[task 2022-04-20T12:06:59.053Z] 12:06:59     INFO - ==> process 5587 launched child process 5676
[task 2022-04-20T12:06:59.054Z] 12:06:59     INFO - ==> process 5587 launched child process 5729
[task 2022-04-20T12:06:59.054Z] 12:06:59     INFO - ==> process 5587 launched child process 5730
[task 2022-04-20T12:06:59.054Z] 12:06:59     INFO - ==> process 5587 launched child process 5764
[task 2022-04-20T12:06:59.054Z] 12:06:59     INFO - ==> process 5587 launched child process 5799
[task 2022-04-20T12:06:59.054Z] 12:06:59     INFO - ==> process 5587 launched child process 5800
[task 2022-04-20T12:06:59.054Z] 12:06:59     INFO - zombiecheck | Checking for orphan process with PID: 5729
[task 2022-04-20T12:06:59.054Z] 12:06:59     INFO - zombiecheck | Checking for orphan process with PID: 5730
[task 2022-04-20T12:06:59.055Z] 12:06:59     INFO - zombiecheck | Checking for orphan process with PID: 5604
[task 2022-04-20T12:06:59.056Z] 12:06:59     INFO - zombiecheck | Checking for orphan process with PID: 5764
[task 2022-04-20T12:06:59.056Z] 12:06:59     INFO - zombiecheck | Checking for orphan process with PID: 5799
[task 2022-04-20T12:06:59.057Z] 12:06:59     INFO - zombiecheck | Checking for orphan process with PID: 5800
[task 2022-04-20T12:06:59.058Z] 12:06:59     INFO - zombiecheck | Checking for orphan process with PID: 5676
[task 2022-04-20T12:06:59.059Z] 12:06:59     INFO - zombiecheck | Checking for orphan process with PID: 5653
[task 2022-04-20T12:06:59.059Z] 12:06:59     INFO - Stopping web server
[task 2022-04-20T12:06:59.073Z] 12:06:59     INFO - Server shut down.
[task 2022-04-20T12:06:59.093Z] 12:06:59     INFO - Web server killed.
[task 2022-04-20T12:06:59.093Z] 12:06:59     INFO - Stopping web socket server
[task 2022-04-20T12:06:59.113Z] 12:06:59     INFO - Stopping ssltunnel
[task 2022-04-20T12:06:59.133Z] 12:06:59  WARNING - leakcheck | refcount logging is off, so leaks can't be detected!
[task 2022-04-20T12:06:59.133Z] 12:06:59     INFO - runtests.py | Running tests: end.
[task 2022-04-20T12:06:59.170Z] 12:06:59     INFO - Buffered messages logged at 12:06:57
[task 2022-04-20T12:06:59.171Z] 12:06:59     INFO - Entering test bound 
```