Found while fuzzing 20220131-788ab1920ef8 (--enable-debug --enable-fuzzing) To reproduce via Grizzly Replay: ``` $ pip install fuzzfetch grizzly-framework $ python -m fuzzfetch -d --fuzzing -n firefox $ python -m grizzly.replay ./firefox/firefox testcase.html ``` Assertion failure: false (Two layers that scroll together have different ancestor transforms), at src/gfx/layers/apz/src/APZCTreeManager.cpp:1343 ``` #0 0x7faf5e983a9f in mozilla::gfx::PremultiplyData(unsigned char const*, int, mozilla::gfx::SurfaceFormat, unsigned char*, int, mozilla::gfx::SurfaceFormat, mozilla::gfx::IntSizeTyped<mozilla::gfx::UnknownUnits> const&) src/gfx/2d/Swizzle.cpp:388:3 #1 0x7faf607da211 in mozilla::dom::CanvasRenderingContext2D::PutImageData_explicit(int, int, mozilla::dom::ImageData&, bool, int, int, int, int, mozilla::ErrorResult&) src/dom/canvas/CanvasRenderingContext2D.cpp:5436:3 #2 0x7faf607da8cc in mozilla::dom::CanvasRenderingContext2D::PutImageData(mozilla::dom::ImageData&, int, int, int, int, int, int, mozilla::ErrorResult&) src/dom/canvas/CanvasRenderingContext2D.cpp:5308:3 #3 0x7faf5fccc5bb in mozilla::dom::CanvasRenderingContext2D_Binding::putImageData(JSContext*, JS::Handle<JSObject*>, void*, JSJitMethodCallArgs const&) /builds/worker/workspace/obj-build/dom/bindings/CanvasRenderingContext2DBinding.cpp:4594:28 #4 0x7faf607091c8 in bool mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*) src/dom/bindings/BindingUtils.cpp:3306:13 #5 0x7faf6420d54f in CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), js::CallReason, JS::CallArgs const&) src/js/src/vm/Interpreter.cpp:425:13 #6 0x7faf6420cc4d in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) src/js/src/vm/Interpreter.cpp:512:12 #7 0x7faf6420e72e in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) src/js/src/vm/Interpreter.cpp:572:10 #8 0x7faf64203fe6 in CallFromStack src/js/src/vm/Interpreter.cpp:576:10 #9 0x7faf64203fe6 in Interpret(JSContext*, js::RunState&) src/js/src/vm/Interpreter.cpp:3309:16 #10 0x7faf641faee3 in js::RunScript(JSContext*, js::RunState&) src/js/src/vm/Interpreter.cpp:394:13 #11 0x7faf6420cb48 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) src/js/src/vm/Interpreter.cpp:544:13 #12 0x7faf6420e72e in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) src/js/src/vm/Interpreter.cpp:572:10 #13 0x7faf6420e931 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) src/js/src/vm/Interpreter.cpp:589:8 #14 0x7faf643ccfd1 in JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) src/js/src/vm/CallAndConstruct.cpp:117:10 #15 0x7faf60429f17 in mozilla::dom::EventListener::HandleEvent(mozilla::dom::BindingCallContext&, JS::Handle<JS::Value>, mozilla::dom::Event&, mozilla::ErrorResult&) /builds/worker/workspace/obj-build/dom/bindings/EventListenerBinding.cpp:62:8 #16 0x7faf60c08cf6 in void mozilla::dom::EventListener::HandleEvent<mozilla::dom::EventTarget*>(mozilla::dom::EventTarget* const&, mozilla::dom::Event&, mozilla::ErrorResult&, char const*, mozilla::dom::CallbackObject::ExceptionHandling, JS::Realm*) /builds/worker/workspace/obj-build/dist/include/mozilla/dom/EventListenerBinding.h:65:12 #17 0x7faf60c08a7a in mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) src/dom/events/EventListenerManager.cpp:1308:43 #18 0x7faf60c09779 in mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event**, mozilla::dom::EventTarget*, nsEventStatus*, bool) src/dom/events/EventListenerManager.cpp:1505:17 #19 0x7faf60bfe774 in HandleEvent src/dom/events/EventListenerManager.h:395:5 #20 0x7faf60bfe774 in mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) src/dom/events/EventDispatcher.cpp:348:17 #21 0x7faf60bfdc97 in mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) src/dom/events/EventDispatcher.cpp:550:16 #22 0x7faf60c004f8 in mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>*) src/dom/events/EventDispatcher.cpp:1085:11 #23 0x7faf60c02dc6 in mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*) src/dom/events/EventDispatcher.cpp #24 0x7faf5f3ebb9d in nsINode::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&) src/dom/base/nsINode.cpp:1355:17 #25 0x7faf5ef3a8da in nsContentUtils::DispatchEvent(mozilla::dom::Document*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, mozilla::Trusted, bool*, mozilla::ChromeOnlyDispatch) src/dom/base/nsContentUtils.cpp:4314:28 #26 0x7faf5ef3a6d7 in nsContentUtils::DispatchTrustedEvent(mozilla::dom::Document*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, bool*) src/dom/base/nsContentUtils.cpp:4284:10 #27 0x7faf5f16b06f in mozilla::dom::Document::DispatchContentLoadedEvents() src/dom/base/Document.cpp:7891:3 #28 0x7faf5f21ca2b in applyImpl<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1147:12 #29 0x7faf5f21ca2b in apply<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1153:12 #30 0x7faf5f21ca2b in mozilla::detail::RunnableMethodImpl<mozilla::dom::Document*, void (mozilla::dom::Document::*)(), true, (mozilla::RunnableKind)0>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1200:13 #31 0x7faf5d314bc2 in mozilla::SchedulerGroup::Runnable::Run() src/xpcom/threads/SchedulerGroup.cpp:140:20 #32 0x7faf5d344fde in mozilla::RunnableTask::Run() src/xpcom/threads/TaskController.cpp:467:16 #33 0x7faf5d31ed56 in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) src/xpcom/threads/TaskController.cpp:770:26 #34 0x7faf5d31da18 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) src/xpcom/threads/TaskController.cpp:606:15 #35 0x7faf5d31dc93 in mozilla::TaskController::ProcessPendingMTTask(bool) src/xpcom/threads/TaskController.cpp:390:36 #36 0x7faf5d348016 in operator() src/xpcom/threads/TaskController.cpp:124:37 #37 0x7faf5d348016 in mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_0>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:531:5 #38 0x7faf5d333733 in nsThread::ProcessNextEvent(bool, bool*) src/xpcom/threads/nsThread.cpp:1195:16 #39 0x7faf5d33a81a in NS_ProcessNextEvent(nsIThread*, bool) src/xpcom/threads/nsThreadUtils.cpp:467:10 #40 0x7faf5dddb886 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:85:21 #41 0x7faf5dd005a7 in MessageLoop::RunInternal() src/ipc/chromium/src/base/message_loop.cc:331:10 #42 0x7faf5dd004b2 in RunHandler src/ipc/chromium/src/base/message_loop.cc:324:3 #43 0x7faf5dd004b2 in MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:306:3 #44 0x7faf62035908 in nsBaseAppShell::Run() src/widget/nsBaseAppShell.cpp:137:27 #45 0x7faf640911a3 in XRE_RunAppShell() src/toolkit/xre/nsEmbedFunctions.cpp:878:20 #46 0x7faf5dddc77a in mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:235:9 #47 0x7faf5dd005a7 in MessageLoop::RunInternal() src/ipc/chromium/src/base/message_loop.cc:331:10 #48 0x7faf5dd004b2 in RunHandler src/ipc/chromium/src/base/message_loop.cc:324:3 #49 0x7faf5dd004b2 in MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:306:3 #50 0x7faf640907dc in XRE_InitChildProcess(int, char**, XREChildData const*) src/toolkit/xre/nsEmbedFunctions.cpp:715:34 #51 0x560d8b13bb57 in content_process_main src/browser/app/../../ipc/contentproc/plugin-container.cpp:57:28 #52 0x560d8b13bb57 in main src/browser/app/nsBrowserApp.cpp:327:18 #53 0x7faf721cb0b2 in __libc_start_main /build/glibc-eX1tMB/glibc-2.31/csu/../csu/libc-start.c:308:16 #54 0x560d8b1172dc in _start (/home/worker/builds/m-c-20220204092958-fuzzing-debug/firefox-bin+0x152dc) ```
Bug 1753779 Comment 0 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Found while fuzzing 20220131-788ab1920ef8 (--enable-debug --enable-fuzzing) To reproduce via Grizzly Replay: ``` $ pip install fuzzfetch grizzly-framework $ python -m fuzzfetch -d --fuzzing -n firefox $ python -m grizzly.replay ./firefox/firefox testcase.html ``` Assertion failure: false (Two layers that scroll together have different ancestor transforms), at src/gfx/layers/apz/src/APZCTreeManager.cpp:1343 ``` #0 0x7fe1a3214f1b in mozilla::layers::APZCTreeManager::PrepareNodeForLayer(mozilla::RecursiveMutexAutoLock const&, mozilla::layers::WebRenderScrollDataWrapper const&, mozilla::layers::FrameMetrics const&, mozilla::layers::LayersId, mozilla::Maybe<mozilla::layers::ZoomConstraints> const&, mozilla::layers::AncestorTransform const&, mozilla::layers::HitTestingTreeNode*, mozilla::layers::HitTestingTreeNode*, mozilla::layers::APZCTreeManager::TreeBuildingState&) src/gfx/layers/apz/src/APZCTreeManager.cpp:1341:9 #1 0x7fe1a3206d6c in operator() src/gfx/layers/apz/src/APZCTreeManager.cpp:490:38 #2 0x7fe1a3206d6c in std::enable_if<(std::is_same_v<decltype(fp0(fp)), void>) && (std::is_same_v<decltype(fp1(fp)), void>), void>::type mozilla::layers::ForEachNode<mozilla::layers::ReverseIterator, mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4>(mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3 const&, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4 const&) src/gfx/layers/TreeTraversal.h:139:3 #3 0x7fe1a3207c71 in std::enable_if<(std::is_same_v<decltype(fp0(fp)), void>) && (std::is_same_v<decltype(fp1(fp)), void>), void>::type mozilla::layers::ForEachNode<mozilla::layers::ReverseIterator, mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4>(mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3 const&, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4 const&) src/gfx/layers/TreeTraversal.h:143:5 #4 0x7fe1a3207c71 in std::enable_if<(std::is_same_v<decltype(fp0(fp)), void>) && (std::is_same_v<decltype(fp1(fp)), void>), void>::type mozilla::layers::ForEachNode<mozilla::layers::ReverseIterator, mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4>(mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3 const&, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4 const&) src/gfx/layers/TreeTraversal.h:143:5 #5 0x7fe1a3207c71 in std::enable_if<(std::is_same_v<decltype(fp0(fp)), void>) && (std::is_same_v<decltype(fp1(fp)), void>), void>::type mozilla::layers::ForEachNode<mozilla::layers::ReverseIterator, mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4>(mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3 const&, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4 const&) src/gfx/layers/TreeTraversal.h:143:5 #6 0x7fe1a3207c71 in std::enable_if<(std::is_same_v<decltype(fp0(fp)), void>) && (std::is_same_v<decltype(fp1(fp)), void>), void>::type mozilla::layers::ForEachNode<mozilla::layers::ReverseIterator, mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4>(mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3 const&, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4 const&) src/gfx/layers/TreeTraversal.h:143:5 #7 0x7fe1a3207c71 in std::enable_if<(std::is_same_v<decltype(fp0(fp)), void>) && (std::is_same_v<decltype(fp1(fp)), void>), void>::type mozilla::layers::ForEachNode<mozilla::layers::ReverseIterator, mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4>(mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3 const&, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4 const&) src/gfx/layers/TreeTraversal.h:143:5 #8 0x7fe1a3207c71 in std::enable_if<(std::is_same_v<decltype(fp0(fp)), void>) && (std::is_same_v<decltype(fp1(fp)), void>), void>::type mozilla::layers::ForEachNode<mozilla::layers::ReverseIterator, mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4>(mozilla::layers::WebRenderScrollDataWrapper, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_3 const&, mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int)::$_4 const&) src/gfx/layers/TreeTraversal.h:143:5 #9 0x7fe1a3204dcf in mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::WebRenderScrollDataWrapper const&, bool, mozilla::layers::LayersId, unsigned int) src/gfx/layers/apz/src/APZCTreeManager.cpp:449:5 #10 0x7fe1a3278a52 in operator() src/gfx/layers/apz/src/APZUpdater.cpp:196:25 #11 0x7fe1a3278a52 in mozilla::detail::RunnableFunction<mozilla::layers::APZUpdater::UpdateScrollDataAndTreeState(mozilla::layers::LayersId, mozilla::layers::LayersId, mozilla::wr::Epoch const&, mozilla::layers::WebRenderScrollData&&)::$_28>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:531:5 #12 0x7fe1a3237adf in mozilla::layers::APZUpdater::ProcessQueue() src/gfx/layers/apz/src/APZUpdater.cpp:459:23 #13 0x7fe1a323733a in mozilla::layers::APZUpdater::CompleteSceneSwap(mozilla::wr::WrWindowId const&, mozilla::wr::WrPipelineInfo const&) src/gfx/layers/apz/src/APZUpdater.cpp:121:12 #14 0x7fe1a323a669 in apz_post_scene_swap src/gfx/layers/apz/src/APZUpdater.cpp:527:3 #15 0x7fe1aa44ba66 in _$LT$webrender_bindings..bindings..APZCallbacks$u20$as$u20$webrender..renderer..SceneBuilderHooks$GT$::post_scene_swap::h99b4a35edfd47fac src/gfx/webrender_bindings/src/bindings.rs:1007:13 #16 0x7fe1aa6207e6 in webrender::scene_builder_thread::SceneBuilderThread::forward_built_transactions::hced81e3e9d38f922 src/gfx/wr/webrender/src/scene_builder_thread.rs:719:13 #17 0x7fe1aa6207e6 in webrender::scene_builder_thread::SceneBuilderThread::run::h45b090d72f48c5aa src/gfx/wr/webrender/src/scene_builder_thread.rs:319:21 #18 0x7fe1aa487acc in webrender::renderer::Renderer::new::_$u7b$$u7b$closure$u7d$$u7d$::h469494766b3f2339 src/gfx/wr/webrender/src/renderer/mod.rs:1237:13 #19 0x7fe1aa487acc in std::sys_common::backtrace::__rust_begin_short_backtrace::h63344c73c15b1fb6 /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/sys_common/backtrace.rs:123:18 #20 0x7fe1aa49e90f in std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hf19578ef60059335 /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/thread/mod.rs:484:17 #21 0x7fe1aa49e90f in _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::hdb0819c851d490fe /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/core/src/panic/unwind_safe.rs:271:9 #22 0x7fe1aa49e90f in std::panicking::try::do_call::h63584cd89793bc1f /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/panicking.rs:406:40 #23 0x7fe1aa49e90f in std::panicking::try::hff613628669c8e52 /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/panicking.rs:370:19 #24 0x7fe1aa49e90f in std::panic::catch_unwind::h6e8d64f13444060b /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/panic.rs:133:14 #25 0x7fe1aa49e90f in std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::hc25c5a7224576747 /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/thread/mod.rs:483:30 #26 0x7fe1aa49e90f in core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h9c8fe4302e41b559 /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/core/src/ops/function.rs:227:5 #27 0x7fe1ab34b4c2 in _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::h3604301cdaaa9dbf /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/alloc/src/boxed.rs:1694:9 #28 0x7fe1ab34b4c2 in _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::h4cf736d2de892eff /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/alloc/src/boxed.rs:1694:9 #29 0x7fe1ab34b4c2 in std::sys::unix::thread::Thread::new::thread_start::h71a82d4ee5b02c9b /rustc/02072b482a8b5357f7fb5e5637444ae30e423c40/library/std/src/sys/unix/thread.rs:106:17 #30 0x7fe1b79c6608 in start_thread /build/glibc-eX1tMB/glibc-2.31/nptl/pthread_create.c:477:8 #31 0x7fe1b758e292 in __clone /build/glibc-eX1tMB/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95 ```