Bug: Intermittent services/sync/tests/unit/test_extension_storage_tracker_kinto.js | application crashed [@ mozilla::BlockingResourceBase::CheckAcquire()]
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2020-05-27 17:03:20+00:00
Resolved: 2020-06-01 06:33:41+00:00

**Filed by:** rmaries [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=303956972&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Pha7B1VDQaaOlpzJuQr3AQ/runs/0/artifacts/public/logs/live_backing.log

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[task 2020-05-27T15:59:02.603Z] 15:59:02     INFO -  TEST-START | services/sync/tests/unit/test_tab_tracker.js
[task 2020-05-27T15:59:04.182Z] 15:59:04     INFO -  mozcrash Saved minidump as /builds/worker/workspace/build/blobber_upload_dir/0b6074d3-f0c5-17f9-1bdc-d43c30038935.dmp
[task 2020-05-27T15:59:04.183Z] 15:59:04  WARNING -  PROCESS-CRASH | services/sync/tests/unit/test_extension_storage_tracker_kinto.js | application crashed [@ mozilla::BlockingResourceBase::CheckAcquire()]
[task 2020-05-27T15:59:04.183Z] 15:59:04     INFO -  Crash dump filename: /tmp/xpc-other-i3mR3u/0b6074d3-f0c5-17f9-1bdc-d43c30038935.dmp
[task 2020-05-27T15:59:04.184Z] 15:59:04     INFO -  Operating system: Linux
[task 2020-05-27T15:59:04.185Z] 15:59:04     INFO -                    0.0.0 Linux 4.4.0-1014-aws #14taskcluster1-Ubuntu SMP Tue Apr 3 10:27:00 UTC 2018 x86_64
[task 2020-05-27T15:59:04.186Z] 15:59:04     INFO -  CPU: amd64
[task 2020-05-27T15:59:04.186Z] 15:59:04     INFO -       family 6 model 85 stepping 7
[task 2020-05-27T15:59:04.187Z] 15:59:04     INFO -       2 CPUs
[task 2020-05-27T15:59:04.188Z] 15:59:04     INFO -  GPU: UNKNOWN
[task 2020-05-27T15:59:04.188Z] 15:59:04     INFO -  Crash reason:  SIGSEGV /SEGV_MAPERR
[task 2020-05-27T15:59:04.189Z] 15:59:04     INFO -  Crash address: 0x38
[task 2020-05-27T15:59:04.190Z] 15:59:04     INFO -  Process uptime: not available
[task 2020-05-27T15:59:04.190Z] 15:59:04     INFO -  Thread 2 (crashed)
[task 2020-05-27T15:59:04.191Z] 15:59:04     INFO -   0  libxul.so!mozilla::BlockingResourceBase::CheckAcquire() [BlockingResourceBase.cpp:156060b23080206d084875184246898f37b2a78f : 216 + 0x0]
[task 2020-05-27T15:59:04.192Z] 15:59:04     INFO -      rax = 0x876e35eb798be700   rdx = 0x00007fec3b8fea30
[task 2020-05-27T15:59:04.192Z] 15:59:04     INFO -      rcx = 0x00007fec3c1b5800   rbx = 0x0000000000000000
[task 2020-05-27T15:59:04.193Z] 15:59:04     INFO -      rsi = 0x0000000000000001   rdi = 0x0000000000000028
[task 2020-05-27T15:59:04.194Z] 15:59:04     INFO -      rbp = 0x00007fec3b8fc420   rsp = 0x00007fec3b8fc380
[task 2020-05-27T15:59:04.194Z] 15:59:04     INFO -       r8 = 0x0000000000000000    r9 = 0x0000000000000003
[task 2020-05-27T15:59:04.195Z] 15:59:04     INFO -      r10 = 0x00151154bcb3e5d7   r11 = 0x00000000ffffffff
[task 2020-05-27T15:59:04.195Z] 15:59:04     INFO -      r12 = 0x00007fec3c16f308   r13 = 0x00007fec3b8fc580
[task 2020-05-27T15:59:04.196Z] 15:59:04     INFO -      r14 = 0x0000000000000028   r15 = 0x00007fec3b8fc4d0
[task 2020-05-27T15:59:04.196Z] 15:59:04     INFO -      rip = 0x00007fec481a131a
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      Found by: given as instruction pointer in context
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -   1  libxul.so!mozilla::OffTheBooksMutex::Lock() [BlockingResourceBase.cpp:156060b23080206d084875184246898f37b2a78f : 317 + 0xc]
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      rbx = 0x0000000000000000   rbp = 0x00007fec3b8fc440
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fc430   r12 = 0x00007fec3c16f308
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      r13 = 0x00007fec3b8fc580   r14 = 0x0000000000000028
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      r15 = 0x00007fec3b8fc4d0   rip = 0x00007fec481a1aae
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -   2  libxul.so!mozilla::layers::ImageBridgeParent::ShutdownInternal() [ImageBridgeParent.cpp:156060b23080206d084875184246898f37b2a78f : 119 + 0xf]
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      rbx = 0x0000215ba07fa8ee   rbp = 0x00007fec3b8fc480
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fc450   r12 = 0x00007fec3c16f308
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      r13 = 0x00007fec3b8fc580   r14 = 0x0000000000000000
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      r15 = 0x00007fec3b8fc4d0   rip = 0x00007fec490d3110
[task 2020-05-27T15:59:04.197Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.200Z] 15:59:04     INFO -   3  libxul.so!mozilla::detail::RunnableFunction<mozilla::layers::ImageBridgeParent::Shutdown()::$_21>::Run() [nsThreadUtils.h:156060b23080206d084875184246898f37b2a78f : 574 + 0x5]
[task 2020-05-27T15:59:04.200Z] 15:59:04     INFO -      rbx = 0x0000215ba07fa8ee   rbp = 0x00007fec3b8fc490
[task 2020-05-27T15:59:04.200Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fc490   r12 = 0x00007fec3c16f308
[task 2020-05-27T15:59:04.200Z] 15:59:04     INFO -      r13 = 0x00007fec3b8fc580   r14 = 0x00007fec3c16f240
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      r15 = 0x00007fec3b8fc4d0   rip = 0x00007fec490e065d
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -   4  libxul.so!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:156060b23080206d084875184246898f37b2a78f : 1211 + 0x11]
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      rbx = 0x0000215ba07fa8ee   rbp = 0x00007fec3b8fca00
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fc4a0   r12 = 0x00007fec3c16f308
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      r13 = 0x00007fec3b8fc580   r14 = 0x00007fec3c16f240
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      r15 = 0x00007fec3b8fc4d0   rip = 0x00007fec481bf2fe
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -   5  libxul.so!NS_ProcessNextEvent(nsIThread*, bool) [nsThreadUtils.cpp:156060b23080206d084875184246898f37b2a78f : 501 + 0xc]
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      rbx = 0x0000000000000000   rbp = 0x00007fec3b8fca30
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fca10   r12 = 0x0000000000000000
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      r13 = 0x00007fec3b70b0a0   r14 = 0x00007fec3b8fca17
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      r15 = 0x00007fec3c16f240   rip = 0x00007fec481c2f39
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -   6  libxul.so!mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) [MessagePump.cpp:156060b23080206d084875184246898f37b2a78f : 302 + 0xa]
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      rbx = 0x00007fec3b8fcb28   rbp = 0x00007fec3b8fca80
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fca40   r12 = 0x0000000000000000
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      r13 = 0x00007fec3b70b0a0   r14 = 0x00007fec3b70b080
[task 2020-05-27T15:59:04.201Z] 15:59:04     INFO -      r15 = 0x00007fec3c16f240   rip = 0x00007fec487cef47
[task 2020-05-27T15:59:04.221Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.222Z] 15:59:04     INFO -   7  libxul.so!MessageLoop::RunInternal() [message_loop.cc:156060b23080206d084875184246898f37b2a78f : 315 + 0x17]
[task 2020-05-27T15:59:04.222Z] 15:59:04     INFO -      rbx = 0x00007fec3b8fcb28   rbp = 0x00007fec3b8fcac0
[task 2020-05-27T15:59:04.222Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fca90   r12 = 0x00007fec3b8fcb20
[task 2020-05-27T15:59:04.222Z] 15:59:04     INFO -      r13 = 0x00007fec3c16f240   r14 = 0x00007fec3b8fcad0
[task 2020-05-27T15:59:04.223Z] 15:59:04     INFO -      r15 = 0x00007fec3c16f280   rip = 0x00007fec4877a4b7
[task 2020-05-27T15:59:04.223Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.223Z] 15:59:04     INFO -   8  libxul.so!MessageLoop::Run() [message_loop.cc:156060b23080206d084875184246898f37b2a78f : 290 + 0x8]
[task 2020-05-27T15:59:04.223Z] 15:59:04     INFO -      rbx = 0x00007fec3b8fcb28   rbp = 0x00007fec3b8fcb00
[task 2020-05-27T15:59:04.224Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fcad0   r12 = 0x00007fec3b8fcb20
[task 2020-05-27T15:59:04.224Z] 15:59:04     INFO -      r13 = 0x00007fec3c16f240   r14 = 0x00007fec3b8fcad0
[task 2020-05-27T15:59:04.224Z] 15:59:04     INFO -      r15 = 0x00007fec3c16f280   rip = 0x00007fec4877a411
[task 2020-05-27T15:59:04.224Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.225Z] 15:59:04     INFO -   9  libxul.so!nsThread::ThreadFunc(void*) [nsThread.cpp:156060b23080206d084875184246898f37b2a78f : 444 + 0x8]
[task 2020-05-27T15:59:04.225Z] 15:59:04     INFO -      rbx = 0x00007fec3b8fcb28   rbp = 0x00007fec3b8fcd20
[task 2020-05-27T15:59:04.225Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fcb10   r12 = 0x00007fec3b8fcb20
[task 2020-05-27T15:59:04.225Z] 15:59:04     INFO -      r13 = 0x00007fec3c16f240   r14 = 0x00007fec3b8fcb28
[task 2020-05-27T15:59:04.226Z] 15:59:04     INFO -      r15 = 0x00007fec3c16f280   rip = 0x00007fec481bc8a4
[task 2020-05-27T15:59:04.226Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.226Z] 15:59:04     INFO -  10  libnspr4.so!_pt_root [ptthread.c:156060b23080206d084875184246898f37b2a78f : 201 + 0x7]
[task 2020-05-27T15:59:04.227Z] 15:59:04     INFO -      rbx = 0x00007fec3c16eca0   rbp = 0x00007fec3b8fcd70
[task 2020-05-27T15:59:04.227Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fcd30   r12 = 0x00007fec3b8fd840
[task 2020-05-27T15:59:04.228Z] 15:59:04     INFO -      r13 = 0x0000000000000000   r14 = 0x0000000000002739
[task 2020-05-27T15:59:04.228Z] 15:59:04     INFO -      r15 = 0x00007fec3b8fe700   rip = 0x00007fec51f898fa
[task 2020-05-27T15:59:04.229Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.229Z] 15:59:04     INFO -  11  libpthread.so.0 + 0x76db
[task 2020-05-27T15:59:04.229Z] 15:59:04     INFO -      rbx = 0x0000000000000000   rbp = 0x0000000000000000
[task 2020-05-27T15:59:04.230Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fcd80   r12 = 0x00007fec3b8fce40
[task 2020-05-27T15:59:04.230Z] 15:59:04     INFO -      r13 = 0x0000000000000000   r14 = 0x00007fec3c16eca0
[task 2020-05-27T15:59:04.230Z] 15:59:04     INFO -      r15 = 0x00007ffc4ed61610   rip = 0x00007fec51b7e6db
[task 2020-05-27T15:59:04.236Z] 15:59:04     INFO -      Found by: call frame info
[task 2020-05-27T15:59:04.237Z] 15:59:04     INFO -  12  libc.so.6 + 0x12188f
[task 2020-05-27T15:59:04.237Z] 15:59:04     INFO -      rsp = 0x00007fec3b8fce40   rip = 0x00007fec4629788f
[task 2020-05-27T15:59:04.238Z] 15:59:04     INFO -      Found by: stack scanning