1877547 - Intermittent MOZ_ASSERT(!mOwningThread) (destroying a still-owned lock!) [@ mozilla::OffTheBooksMutex::~OffTheBooksMutex] | single tracking bug

Status: NEW

(Core :: DOM: Workers, defect)

Description

[Treeherder Bug Filer]

Filed by: ctuns [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=445234856&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fcoVUzl1SfyTSdOYdj0kPw/runs/0/artifacts/public/logs/live_backing.log

---

[task 2024-01-30T20:50:53.517Z] 20:50:53     INFO -  TEST-START | dom/xhr/tests/test_bug1752863.html
[task 2024-01-30T20:51:13.684Z] 20:51:13     INFO -  wait for org.mozilla.geckoview.test_runner complete; top activity=com.android.launcher3
[task 2024-01-30T20:51:13.684Z] 20:51:13     INFO -  runtestsremote.py | Application ran for: 0:02:45.178422
[task 2024-01-30T20:51:13.751Z] 20:51:13     INFO -  mozcrash Copy/paste: /builds/worker/fetches/minidump-stackwalk/minidump-stackwalk --symbols-url=https://symbols.mozilla.org/ --cyborg=/tmp/tmpcp11xhn3/7751a57e-7333-9825-1c6b-b828b3bf9659.trace /tmp/tmp2imvfmub/7751a57e-7333-9825-1c6b-b828b3bf9659.dmp /builds/worker/workspace/build/symbols
[task 2024-01-30T20:51:17.460Z] 20:51:17     INFO -  mozcrash Saved minidump as /builds/worker/workspace/build/blobber_upload_dir/7751a57e-7333-9825-1c6b-b828b3bf9659.dmp
[task 2024-01-30T20:51:17.460Z] 20:51:17     INFO -  mozcrash Saved app info as /builds/worker/workspace/build/blobber_upload_dir/7751a57e-7333-9825-1c6b-b828b3bf9659.extra
[task 2024-01-30T20:51:17.461Z] 20:51:17  WARNING -  PROCESS-CRASH | MOZ_ASSERT(!mOwningThread) (destroying a still-owned lock!) [@ mozilla::OffTheBooksMutex::~OffTheBooksMutex] | dom/xhr/tests/mochitest.toml
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Process type: content
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Process pid: 8385
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Mozilla crash reason: MOZ_ASSERT(!mOwningThread) (destroying a still-owned lock!)
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Crash dump filename: /tmp/tmp2imvfmub/7751a57e-7333-9825-1c6b-b828b3bf9659.dmp
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Operating system: Android
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -                    0.0.0 Linux 3.10.0+ #260 SMP PREEMPT Fri May 19 12:48:14 PDT 2017 x86_64
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  CPU: amd64
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -       family 6 model 6 stepping 3
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -       4 CPUs
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Crash reason:  SIGSEGV / SEGV_MAPERR
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Crash address: 0x0000000000000000
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Crashing instruction: `mov dword [0x0], 0x3a`
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Memory accessed by instruction:
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -    0. Address: 0x0000000000000000
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -       Size: 4
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Crashing address may be the result of a flipped bit:
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -    0. Valid address: 0x0000000020000000 (0.250)
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -    1. Valid address: 0x0000000040000000 (0.250)
[task 2024-01-30T20:51:17.461Z] 20:51:17     INFO -  Process uptime: not available
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -  Thread 33 DOM Worker (crashed)
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -   0  libxul.so!mozilla::OffTheBooksMutex::~OffTheBooksMutex() [Mutex.h:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 58 + 0x0]
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       rax = 0x00007f8ac22c0d8c    rdx = 0x00007f8ab8ffc040
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       rcx = 0x00007f8ae5df9c20    rbx = 0x00007f8aba1a69d0
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       rsi = 0x0000000000000001    rdi = 0x00007f8ab8ffc0c0
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       rbp = 0x00007f8ab8ffc470    rsp = 0x00007f8ab8ffc460
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -        r8 = 0x00007f8ae5cbe75c     r9 = 0x00007f8ab8ffbd50
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       r10 = 0x00000000ffffff80    r11 = 0x0000000000000246
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       r12 = 0x00007f8ac214ebcf    r13 = 0x0000000000000004
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       r14 = 0x00007f8ab9380b98    r15 = 0x00007f8ab8ffc5a0
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       rip = 0x00007f8ac5be1368
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -      Found by: given as instruction pointer in context
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -   1  libxul.so!mozilla::dom::StrongWorkerRef::~StrongWorkerRef() [WorkerRef.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 193 + 0xd]
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       rbx = 0x00007f8aba1a69d0    rbp = 0x00007f8ab8ffc490
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffc480    r12 = 0x00007f8ac214ebcf
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       r13 = 0x0000000000000004    r14 = 0x00007f8ab9380b98
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffc5a0    rip = 0x00007f8ac8996372
[task 2024-01-30T20:51:17.462Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -   2  libxul.so!mozilla::dom::WorkerRef::Release() [WorkerRef.h:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 123 + 0x8]
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -       rbx = 0x00007f8aba1a69d0    rbp = 0x00007f8ab8ffc4b0
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffc4a0    r12 = 0x00007f8ac214ebcf
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -       r13 = 0x0000000000000004    r14 = 0x00007f8ab9380b98
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffc5a0    rip = 0x00007f8ac6ac1251
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -   3  libxul.so!RefPtr<mozilla::dom::StrongWorkerRef>::operator=(std::nullptr_t) [RefPtr.h:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 180]
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -      Found by: inlining
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -   4  libxul.so!mozilla::dom::XMLHttpRequestWorker::Unpin() [XMLHttpRequestWorker.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 1635 + 0x9]
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -       rbx = 0x00007f8ab9380b00    rbp = 0x00007f8ab8ffc4d0
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffc4c0    r12 = 0x00007f8ac214ebcf
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -       r13 = 0x0000000000000004    r14 = 0x00007f8ab9380b98
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffc5a0    rip = 0x00007f8ac8b6d17b
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.463Z] 20:51:17     INFO -   5  libxul.so!mozilla::dom::XMLHttpRequestWorker::ReleaseProxy(mozilla::dom::XMLHttpRequestWorker::ReleaseType) [XMLHttpRequestWorker.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 1462 + 0x7]
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -       rbx = 0x00007f8ab9380ba8    rbp = 0x00007f8ab8ffc540
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffc4e0    r12 = 0x00007f8ac214ebcf
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -       r13 = 0x0000000000000004    r14 = 0x00007f8ab9380b00
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffc5a0    rip = 0x00007f8ac8b6cb4a
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -   6  libxul.so!fu2::abi_400::detail::type_erasure::tables::vtable<fu2::abi_400::detail::property<false, false, void ()> >::invoke<(unsigned long)0, fu2::abi_400::detail::type_erasure::data_accessor*, unsigned long const&>(fu2::abi_400::detail::type_erasure::data_accessor*, unsigned long const&) const [function2.hpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 1046]
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -      Found by: inlining
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -   7  libxul.so!fu2::abi_400::detail::type_erasure::erasure<true, fu2::abi_400::detail::config<true, false, fu2::capacity_fixed<(unsigned long)16, (unsigned long)8> >, fu2::abi_400::detail::property<false, false, void ()> >::invoke<(unsigned long)0, fu2::abi_400::detail::type_erasure::erasure<true, fu2::abi_400::detail::config<true, false, fu2::capacity_fixed<(unsigned long)16, (unsigned long)8> >, fu2::abi_400::detail::property<false, false, void ()> >&, >(fu2::abi_400::detail::type_erasure::erasure<true, fu2::abi_400::detail::config<true, false, fu2::capacity_fixed<(unsigned long)16, (unsigned long)8> >, fu2::abi_400::detail::property<false, false, void ()> >&, &&) [function2.hpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 1268]
[task 2024-01-30T20:51:17.464Z] 20:51:17     INFO -      Found by: inlining
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -   8  libxul.so!fu2::abi_400::detail::type_erasure::invocation_table::operator_impl<(unsigned long)0, fu2::abi_400::detail::function<fu2::abi_400::detail::config<true, false, fu2::capacity_fixed<(unsigned long)16, (unsigned long)8> >, fu2::abi_400::detail::property<false, false, void ()> >, void ()>::operator()() [function2.hpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 826]
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -      Found by: inlining
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -   9  libxul.so!mozilla::dom::WorkerRef::Notify() [WorkerRef.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 105 + 0x5]
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -       rbx = 0x00007f8ab8ffc550    rbp = 0x00007f8ab8ffc580
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffc550    r12 = 0x00007f8ac214ebcf
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -       r13 = 0x0000000000000004    r14 = 0x0000000000000003
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffc5a0    rip = 0x00007f8ac8995f22
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -  10  libxul.so!mozilla::dom::WorkerPrivate::NotifyWorkerRefs(mozilla::dom::WorkerStatus) [WorkerPrivate.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 4244 + 0x8]
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -       rbx = 0x00007f8aba1a69d0    rbp = 0x00007f8ab8ffc950
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffc590    r12 = 0x00007f8ac214ebcf
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -       r13 = 0x0000000000000004    r14 = 0x0000000000000003
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffc5a0    rip = 0x00007f8ac898b728
[task 2024-01-30T20:51:17.465Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -  11  libxul.so!mozilla::dom::WorkerPrivate::NotifyInternal(mozilla::dom::WorkerStatus) [WorkerPrivate.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 5034 + 0x7]
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       rbx = 0x00007f8ab936bd00    rbp = 0x00007f8ab8ffc9a0
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffc960    r12 = 0x0000000000000000
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       r13 = 0x00007f8ab933c8d0    r14 = 0x0000000000000003
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       r15 = 0x00007f8ab933c8d0    rip = 0x00007f8ac898cbf8
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -  12  libxul.so!mozilla::dom::WorkerRunnable::Run() [WorkerRunnable.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 389 + 0x13]
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       rbx = 0x00007f8ab937d150    rbp = 0x00007f8ab8ffcb20
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffc9b0    r12 = 0x00007f8ab8ffc900
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       r13 = 0x0000000000000001    r14 = 0x00007f8ab8ffca00
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       r15 = 0x00007f8adf735500    rip = 0x00007f8ac89972a6
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -  13  libxul.so!mozilla::dom::WorkerPrivate::ProcessAllControlRunnablesLocked() [WorkerPrivate.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 4014 + 0xc]
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       rbx = 0x00007f8ab936c168    rbp = 0x00007f8ab8ffcbe0
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffcb30    r12 = 0xaaaaaaaaaaaaaaaa
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       r13 = 0x00007f8ab933c8d0    r14 = 0x00007f8ab936bd68
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -       r15 = 0x0000000000000000    rip = 0x00007f8ac898c939
[task 2024-01-30T20:51:17.466Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -  14  libxul.so!mozilla::dom::WorkerPrivate::RunCurrentSyncLoop() [WorkerPrivate.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 4557 + 0x7]
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       rbx = 0x00007f8ab936bd00    rbp = 0x00007f8ab8ffcc70
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffcbf0    r12 = 0x00007f8ab933c8d0
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       r13 = 0x00007f8ab936c168    r14 = 0x0000000000000000
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       r15 = 0x00007f8ab93449e0    rip = 0x00007f8ac89900e9
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -  15  libxul.so!mozilla::dom::AutoSyncLoopHolder::Run() [WorkerPrivate.h:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 1654 + 0x4]
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       rbx = 0x00007f8ab8ffcce0    rbp = 0x00007f8ab8ffcd60
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffcc80    r12 = 0x00007f8ab9380ba8
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       r13 = 0x00007f8ab9380bb8    r14 = 0x00007f8ab8ffcdc0
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffcc88    rip = 0x00007f8ac7d35625
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -  16  libxul.so!mozilla::dom::XMLHttpRequestWorker::SendInternal(mozilla::dom::BodyExtractorBase const*, mozilla::ErrorResult&) [XMLHttpRequestWorker.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 1726 + 0xc]
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       rbx = 0x00007f8ab8ffcfc0    rbp = 0x00007f8ab8ffcf50
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffcd70    r12 = 0x00007f8ab9380ba8
[task 2024-01-30T20:51:17.467Z] 20:51:17     INFO -       r13 = 0x00007f8ab9380bb8    r14 = 0x00007f8ab9380b00
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffcf01    rip = 0x00007f8ac8b6dfe7
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -  17  libxul.so!mozilla::dom::XMLHttpRequestWorker::Send(mozilla::dom::Nullable<mozilla::dom::DocumentOrBlobOrArrayBufferViewOrArrayBufferOrFormDataOrURLSearchParamsOrUSVString> const&, mozilla::ErrorResult&) [BodyExtractor.h:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 0 + 0x15]
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       rbx = 0x00007f8ab9380b00    rbp = 0x00007f8ab8ffcfa0
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffcf60    r12 = 0x00007f8ab9380bb8
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       r13 = 0x00000000000003e1    r14 = 0x00007f8ab8ffcfc0
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffd000    rip = 0x00007f8ac8b6efa1
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -  18  libxul.so!mozilla::dom::XMLHttpRequest_Binding::send(JSContext*, JS::Handle<JSObject*>, void*, JSJitMethodCallArgs const&) [XMLHttpRequestBinding.cpp: : 1679 + 0x15]
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       rbx = 0x00007f8ab8ffd130    rbp = 0x00007f8ab8ffd0d0
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffcfb0    r12 = 0x00007f8ab8ffd100
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       r13 = 0x00000000000003e1    r14 = 0x00007f8ab9380b00
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffcfc0    rip = 0x00007f8ac763b8b1
[task 2024-01-30T20:51:17.468Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -  19  libxul.so!mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*) [BindingUtils.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 3258 + 0x1]
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       rbx = 0x00007f8accb3d470    rbp = 0x00007f8ab8ffd180
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffd0e0    r12 = 0x00007f8ab8ffd100
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       r13 = 0x00000000000003e1    r14 = 0x00000000000003e1
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffd128    rip = 0x00007f8ac790d5e1
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -  20  libxul.so!CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), js::CallReason, JS::CallArgs const&) [Interpreter.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 480 + 0x5]
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       rbx = 0x00007f8adf735500    rbp = 0x00007f8ab8ffd1d0
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffd190    r12 = 0x00007f8ab9438400
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       r13 = 0x0000109e8bf5f4a0    r14 = 0x00007f8ab8ffd690
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       r15 = 0x00007f8ac790d496    rip = 0x00007f8aca07b90e
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -  21  libxul.so!js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) [Interpreter.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 574 + 0x13]
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       rbx = 0x00007f8adf735500    rbp = 0x00007f8ab8ffd270
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffd1e0    r12 = 0x0000109e8bf5f4a0
[task 2024-01-30T20:51:17.469Z] 20:51:17     INFO -       r13 = 0xffff800000000000    r14 = 0x00007f8ab8ffd690
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       r15 = 0x00007f8ac790d496    rip = 0x00007f8aca07b129
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -  22  libxul.so!js::CallFromStack(JSContext*, JS::CallArgs const&, js::CallReason) [Interpreter.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 646]
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -      Found by: inlining
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -  23  libxul.so!js::Interpret(JSContext*, js::RunState&) [Interpreter.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 3061 + 0x4]
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       rbx = 0x0000000000000000    rbp = 0x00007f8ab8ffd700
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffd280    r12 = 0xffff800000000000
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       r13 = 0x0000000000000003    r14 = 0x0000109e8bf5f4a0
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       r15 = 0x00007f8ab8ffd4b0    rip = 0x00007f8aca08c94d
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -  24  libxul.so!js::RunScript(JSContext*, js::RunState&) [Interpreter.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 452 + 0xa]
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       rbx = 0x00007f8adf735500    rbp = 0x00007f8ab8ffd760
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffd710    r12 = 0x0000000000000000
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       r13 = 0x00007f8adf78a7c1    r14 = 0x00007f8ab8ffd7a0
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -       r15 = 0x0000007f6fddf506    rip = 0x00007f8aca07a76d
[task 2024-01-30T20:51:17.470Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.471Z] 20:51:17     INFO -  25  libxul.so!js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) [Interpreter.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 606 + 0x7]
[task 2024-01-30T20:51:17.471Z] 20:51:17     INFO -       rbx = 0x00007f8adf735500    rbp = 0x00007f8ab8ffd800
[task 2024-01-30T20:51:17.471Z] 20:51:17     INFO -       rsp = 0x00007f8ab8ffd770    r12 = 0x0000000000000000
[task 2024-01-30T20:51:17.471Z] 20:51:17     INFO -       r13 = 0x00002cfc1c80c348    r14 = 0x00007f8ab8ffd888
[task 2024-01-30T20:51:17.471Z] 20:51:17     INFO -       r15 = 0x00007f8ab9438400    rip = 0x00007f8aca07b049
[task 2024-01-30T20:51:17.471Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.471Z] 20:51:17     INFO -  26  libxul.so!js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) [Interpreter.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 673 + 0xd]
[task 2024-01-30T20:51:17.471Z] 20:51:17     INFO -       rbx = 0x0000109e8bf07030    rbp = 0x00007f8ab8ffd860
<...>
[task 2024-01-30T20:51:17.482Z] 20:51:17     INFO -      Found by: stack scanning
[task 2024-01-30T20:51:17.482Z] 20:51:17     INFO -  60  libc.so + 0x1ca65
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -       rsp = 0x00007f8ab8fff450    rip = 0x00007f8ae9861a66
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -      Found by: stack scanning
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -  61  libmozglue.so!getdelim [getline_interposer.cpp:06b0ce1a9748e18deb48466efed01c1f5a8ff984 : 105 + 0x5]
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -       rsp = 0x00007f8ab8fff4b8    rip = 0x00007f8ae5d24e3a
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -      Found by: stack scanning
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -  62  0x7f8ab93905cf
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -       rbp = 0x00007f8ae5d24e3a    rsp = 0x00007f8ab8fff4c0
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -       rip = 0x00007f8ab93905d0
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -      Found by: call frame info
[task 2024-01-30T20:51:17.483Z] 20:51:17     INFO -  Thread 0 st_runner:tab35

Comment 1

[Intermittent Failures Robot]

6 failures in 3952 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 5
• mozilla-central: 1

Platform and build breakdown:

• android-em-7-0-x86_64-qr: 5
  • debug: 5
• macosx1015-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1877547&startday=2024-01-29&endday=2024-02-04&tree=all

Comment 2

[Intermittent Failures Robot]

6 failures in 4009 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• autoland: 5

Platform and build breakdown:

• android-em-7-0-x86_64-qr: 5
  • debug: 5
• windows11-64-2009-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1877547&startday=2024-02-05&endday=2024-02-11&tree=all

Comment 3

[Valentin Gosu [:valentin] (he/him)]

I can't figure out by looking at the code exactly which mutex is still locked.

Comment 4

[Andrew Sutherland [:asuth] (he/him)]

Not looking at this exact code, but having looked at a related idiom yesterday with :smaug, I would say there there is potentially always an interesting race here between stopping a sync loop (which is targeted at the nested event queue) and the ThreadSafeWorkerRef which is a control runnable and therefore can end up running before a sync loop runnable.

Like if we have:

1. dispatch stop sync loop runnable at the nested event queue
2. release ThreadSafeWorkerRef

The apparent sequence of events on the worker can be 2 running followed by 1. Which could be something that was assumed impossible by the code author, and could be related to the mutex usage.

Comment 5

[Intermittent Failures Robot]

7 failures in 3125 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 6
• mozilla-central: 1

Platform and build breakdown:

• macosx1015-64-qr: 3
  • debug: 3
• android-em-7-0-x86_64-qr: 4
  • debug: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1877547&startday=2024-02-12&endday=2024-02-18&tree=all

Comment 6

[Intermittent Failures Robot]

5 failures in 3382 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 3
• mozilla-central: 2

Platform and build breakdown:

• android-em-7-0-x86_64-qr: 4
  • debug: 4
• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1877547&startday=2024-02-19&endday=2024-02-25&tree=all

Comment 7

[Travis Cannon]

Attachment: same problem

Thanks from jabcagopo1975.

Comment 8

[Intermittent Failures Robot]

2 failures in 4052 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1
• mozilla-central: 1

Platform and build breakdown:

• android-em-7-0-x86_64-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1877547&startday=2024-02-26&endday=2024-03-03&tree=all