Bug: Intermittent services/sync/tests/unit/test_history_store.js | application crashed [@ mozilla::BlockingResourceBase::CheckAcquire()]
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2020-05-26 16:00:10+00:00
Resolved: 2020-06-01 06:26:07+00:00

**Filed by:** rmaries [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=303788608&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/QB4o4hFCRX-k6ogQn0S1JQ/runs/0/artifacts/public/logs/live_backing.log

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[task 2020-05-26T15:13:42.459Z] 15:13:42     INFO -  TEST-START | services/sync/tests/unit/test_tab_tracker.js
[task 2020-05-26T15:13:43.567Z] 15:13:43     INFO -  mozcrash Saved minidump as /builds/worker/workspace/build/blobber_upload_dir/73ad55b5-30e1-3033-8613-0644031a700b.dmp
[task 2020-05-26T15:13:43.569Z] 15:13:43  WARNING -  PROCESS-CRASH | services/sync/tests/unit/test_history_store.js | application crashed [@ mozilla::BlockingResourceBase::CheckAcquire()]
[task 2020-05-26T15:13:43.570Z] 15:13:43     INFO -  Crash dump filename: /tmp/xpc-other-6jJeKG/73ad55b5-30e1-3033-8613-0644031a700b.dmp
[task 2020-05-26T15:13:43.572Z] 15:13:43     INFO -  Operating system: Linux
[task 2020-05-26T15:13:43.573Z] 15:13:43     INFO -                    0.0.0 Linux 4.4.0-1014-aws #14taskcluster1-Ubuntu SMP Tue Apr 3 10:27:00 UTC 2018 x86_64
[task 2020-05-26T15:13:43.574Z] 15:13:43     INFO -  CPU: amd64
[task 2020-05-26T15:13:43.575Z] 15:13:43     INFO -       family 6 model 85 stepping 7
[task 2020-05-26T15:13:43.576Z] 15:13:43     INFO -       2 CPUs
[task 2020-05-26T15:13:43.577Z] 15:13:43     INFO -  GPU: UNKNOWN
[task 2020-05-26T15:13:43.578Z] 15:13:43     INFO -  Crash reason:  SIGSEGV /SEGV_MAPERR
[task 2020-05-26T15:13:43.579Z] 15:13:43     INFO -  Crash address: 0x38
[task 2020-05-26T15:13:43.580Z] 15:13:43     INFO -  Process uptime: not available
[task 2020-05-26T15:13:43.581Z] 15:13:43     INFO -  Thread 2 (crashed)
[task 2020-05-26T15:13:43.582Z] 15:13:43     INFO -   0  libxul.so!mozilla::BlockingResourceBase::CheckAcquire() [BlockingResourceBase.cpp:ad211af10bf26a826380cd9b04db4652d7c949a9 : 216 + 0x0]
[task 2020-05-26T15:13:43.583Z] 15:13:43     INFO -      rax = 0x7ebb38cd98f98f00   rdx = 0x00007f5c4b8fea30
[task 2020-05-26T15:13:43.584Z] 15:13:43     INFO -      rcx = 0x00007f5c4c1b7000   rbx = 0x0000000000000000
[task 2020-05-26T15:13:43.585Z] 15:13:43     INFO -      rsi = 0x0000000000000001   rdi = 0x0000000000000028
[task 2020-05-26T15:13:43.585Z] 15:13:43     INFO -      rbp = 0x00007f5c4b8fc420   rsp = 0x00007f5c4b8fc380
[task 2020-05-26T15:13:43.586Z] 15:13:43     INFO -       r8 = 0x0000000000000000    r9 = 0x0000000000000003
[task 2020-05-26T15:13:43.587Z] 15:13:43     INFO -      r10 = 0x000b8ea0fa563f19   r11 = 0x00000000ffffffff
[task 2020-05-26T15:13:43.588Z] 15:13:43     INFO -      r12 = 0x00007f5c4c16f748   r13 = 0x00007f5c4b8fc580
[task 2020-05-26T15:13:43.589Z] 15:13:43     INFO -      r14 = 0x0000000000000028   r15 = 0x00007f5c4b8fc4d0
[task 2020-05-26T15:13:43.590Z] 15:13:43     INFO -      rip = 0x00007f5c581a63a0
[task 2020-05-26T15:13:43.591Z] 15:13:43     INFO -      Found by: given as instruction pointer in context
[task 2020-05-26T15:13:43.592Z] 15:13:43     INFO -   1  libxul.so!mozilla::OffTheBooksMutex::Lock() [BlockingResourceBase.cpp:ad211af10bf26a826380cd9b04db4652d7c949a9 : 317 + 0xc]
[task 2020-05-26T15:13:43.593Z] 15:13:43     INFO -      rbx = 0x0000000000000000   rbp = 0x00007f5c4b8fc440
[task 2020-05-26T15:13:43.594Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fc430   r12 = 0x00007f5c4c16f748
[task 2020-05-26T15:13:43.595Z] 15:13:43     INFO -      r13 = 0x00007f5c4b8fc580   r14 = 0x0000000000000028
[task 2020-05-26T15:13:43.596Z] 15:13:43     INFO -      r15 = 0x00007f5c4b8fc4d0   rip = 0x00007f5c581a6b34
[task 2020-05-26T15:13:43.597Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.598Z] 15:13:43     INFO -   2  libxul.so!mozilla::layers::ImageBridgeParent::ShutdownInternal() [ImageBridgeParent.cpp:ad211af10bf26a826380cd9b04db4652d7c949a9 : 119 + 0xf]
[task 2020-05-26T15:13:43.599Z] 15:13:43     INFO -      rbx = 0x00000152b78ce71a   rbp = 0x00007f5c4b8fc480
[task 2020-05-26T15:13:43.600Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fc450   r12 = 0x00007f5c4c16f748
[task 2020-05-26T15:13:43.601Z] 15:13:43     INFO -      r13 = 0x00007f5c4b8fc580   r14 = 0x0000000000000000
[task 2020-05-26T15:13:43.602Z] 15:13:43     INFO -      r15 = 0x00007f5c4b8fc4d0   rip = 0x00007f5c590d7d84
[task 2020-05-26T15:13:43.603Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.604Z] 15:13:43     INFO -   3  libxul.so!mozilla::detail::RunnableFunction<mozilla::layers::ImageBridgeParent::Shutdown()::$_21>::Run() [nsThreadUtils.h:ad211af10bf26a826380cd9b04db4652d7c949a9 : 574 + 0x5]
[task 2020-05-26T15:13:43.605Z] 15:13:43     INFO -      rbx = 0x00000152b78ce71a   rbp = 0x00007f5c4b8fc490
[task 2020-05-26T15:13:43.606Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fc490   r12 = 0x00007f5c4c16f748
[task 2020-05-26T15:13:43.607Z] 15:13:43     INFO -      r13 = 0x00007f5c4b8fc580   r14 = 0x00007f5c4c16f680
[task 2020-05-26T15:13:43.608Z] 15:13:43     INFO -      r15 = 0x00007f5c4b8fc4d0   rip = 0x00007f5c590e52d1
[task 2020-05-26T15:13:43.609Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.610Z] 15:13:43     INFO -   4  libxul.so!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:ad211af10bf26a826380cd9b04db4652d7c949a9 : 1211 + 0x11]
[task 2020-05-26T15:13:43.611Z] 15:13:43     INFO -      rbx = 0x00000152b78ce71a   rbp = 0x00007f5c4b8fca00
[task 2020-05-26T15:13:43.612Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fc4a0   r12 = 0x00007f5c4c16f748
[task 2020-05-26T15:13:43.613Z] 15:13:43     INFO -      r13 = 0x00007f5c4b8fc580   r14 = 0x00007f5c4c16f680
[task 2020-05-26T15:13:43.614Z] 15:13:43     INFO -      r15 = 0x00007f5c4b8fc4d0   rip = 0x00007f5c581c4384
[task 2020-05-26T15:13:43.615Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.616Z] 15:13:43     INFO -   5  libxul.so!NS_ProcessNextEvent(nsIThread*, bool) [nsThreadUtils.cpp:ad211af10bf26a826380cd9b04db4652d7c949a9 : 501 + 0xc]
[task 2020-05-26T15:13:43.617Z] 15:13:43     INFO -      rbx = 0x0000000000000000   rbp = 0x00007f5c4b8fca30
[task 2020-05-26T15:13:43.618Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fca10   r12 = 0x0000000000000000
[task 2020-05-26T15:13:43.619Z] 15:13:43     INFO -      r13 = 0x00007f5c4b70b4e0   r14 = 0x00007f5c4b8fca17
[task 2020-05-26T15:13:43.620Z] 15:13:43     INFO -      r15 = 0x00007f5c4c16f680   rip = 0x00007f5c581c7fbf
[task 2020-05-26T15:13:43.621Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.622Z] 15:13:43     INFO -   6  libxul.so!mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) [MessagePump.cpp:ad211af10bf26a826380cd9b04db4652d7c949a9 : 302 + 0xa]
[task 2020-05-26T15:13:43.623Z] 15:13:43     INFO -      rbx = 0x00007f5c4b8fcb28   rbp = 0x00007f5c4b8fca80
[task 2020-05-26T15:13:43.624Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fca40   r12 = 0x0000000000000000
[task 2020-05-26T15:13:43.625Z] 15:13:43     INFO -      r13 = 0x00007f5c4b70b4e0   r14 = 0x00007f5c4b70b4c0
[task 2020-05-26T15:13:43.626Z] 15:13:43     INFO -      r15 = 0x00007f5c4c16f680   rip = 0x00007f5c587d41ad
[task 2020-05-26T15:13:43.627Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.628Z] 15:13:43     INFO -   7  libxul.so!MessageLoop::RunInternal() [message_loop.cc:ad211af10bf26a826380cd9b04db4652d7c949a9 : 315 + 0x17]
[task 2020-05-26T15:13:43.629Z] 15:13:43     INFO -      rbx = 0x00007f5c4b8fcb28   rbp = 0x00007f5c4b8fcac0
[task 2020-05-26T15:13:43.630Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fca90   r12 = 0x00007f5c4b8fcb20
[task 2020-05-26T15:13:43.631Z] 15:13:43     INFO -      r13 = 0x00007f5c4c16f680   r14 = 0x00007f5c4b8fcad0
[task 2020-05-26T15:13:43.632Z] 15:13:43     INFO -      r15 = 0x00007f5c4c16f6c0   rip = 0x00007f5c5877f6e5
[task 2020-05-26T15:13:43.633Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.634Z] 15:13:43     INFO -   8  libxul.so!MessageLoop::Run() [message_loop.cc:ad211af10bf26a826380cd9b04db4652d7c949a9 : 290 + 0x8]
[task 2020-05-26T15:13:43.635Z] 15:13:43     INFO -      rbx = 0x00007f5c4b8fcb28   rbp = 0x00007f5c4b8fcb00
[task 2020-05-26T15:13:43.636Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fcad0   r12 = 0x00007f5c4b8fcb20
[task 2020-05-26T15:13:43.637Z] 15:13:43     INFO -      r13 = 0x00007f5c4c16f680   r14 = 0x00007f5c4b8fcad0
[task 2020-05-26T15:13:43.638Z] 15:13:43     INFO -      r15 = 0x00007f5c4c16f6c0   rip = 0x00007f5c5877f63f
[task 2020-05-26T15:13:43.639Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.640Z] 15:13:43     INFO -   9  libxul.so!nsThread::ThreadFunc(void*) [nsThread.cpp:ad211af10bf26a826380cd9b04db4652d7c949a9 : 444 + 0x8]
[task 2020-05-26T15:13:43.641Z] 15:13:43     INFO -      rbx = 0x00007f5c4b8fcb28   rbp = 0x00007f5c4b8fcd20
[task 2020-05-26T15:13:43.642Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fcb10   r12 = 0x00007f5c4b8fcb20
[task 2020-05-26T15:13:43.643Z] 15:13:43     INFO -      r13 = 0x00007f5c4c16f680   r14 = 0x00007f5c4b8fcb28
[task 2020-05-26T15:13:43.644Z] 15:13:43     INFO -      r15 = 0x00007f5c4c16f6c0   rip = 0x00007f5c581c192a
[task 2020-05-26T15:13:43.645Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.646Z] 15:13:43     INFO -  10  libnspr4.so!_pt_root [ptthread.c:ad211af10bf26a826380cd9b04db4652d7c949a9 : 201 + 0x7]
[task 2020-05-26T15:13:43.647Z] 15:13:43     INFO -      rbx = 0x00007f5c4c16e3a0   rbp = 0x00007f5c4b8fcd70
[task 2020-05-26T15:13:43.648Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fcd30   r12 = 0x00007f5c4b8fd840
[task 2020-05-26T15:13:43.649Z] 15:13:43     INFO -      r13 = 0x0000000000000000   r14 = 0x0000000000002838
[task 2020-05-26T15:13:43.650Z] 15:13:43     INFO -      r15 = 0x00007f5c4b8fe700   rip = 0x00007f5c61f878fa
[task 2020-05-26T15:13:43.651Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.652Z] 15:13:43     INFO -  11  libpthread.so.0 + 0x76db
[task 2020-05-26T15:13:43.653Z] 15:13:43     INFO -      rbx = 0x0000000000000000   rbp = 0x0000000000000000
[task 2020-05-26T15:13:43.654Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fcd80   r12 = 0x00007f5c4b8fce40
[task 2020-05-26T15:13:43.655Z] 15:13:43     INFO -      r13 = 0x0000000000000000   r14 = 0x00007f5c4c16e3a0
[task 2020-05-26T15:13:43.656Z] 15:13:43     INFO -      r15 = 0x00007ffe2ea885c0   rip = 0x00007f5c61b7c6db
[task 2020-05-26T15:13:43.657Z] 15:13:43     INFO -      Found by: call frame info
[task 2020-05-26T15:13:43.658Z] 15:13:43     INFO -  12  libc.so.6 + 0x12188f
[task 2020-05-26T15:13:43.659Z] 15:13:43     INFO -      rsp = 0x00007f5c4b8fce40   rip = 0x00007f5c5629b88f
[task 2020-05-26T15:13:43.660Z] 15:13:43     INFO -      Found by: stack scanning