Attachment 462962 Details for Bug 246460 – Full backtrace

Full backtrace

backtrace (text/plain), 10.81 KB, created by Michael Catanzaro on 2022-10-13 08:11:14 PDT

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Creator: Michael Catanzaro

Created: 2022-10-13 08:11:14 PDT

Size: 10.81 KB

patch

obsolete

>   #0  std::__atomic_base<unsigned char>::compare_exchange_weak(unsigned char&, unsigned char, std::memory_order, std::memory_order)
>    (__m2=std::memory_order::acquire, __m1=std::memory_order::acquire, __i2=1 '\001', __i1=<synthetic pointer>: 0 '\000', this=0x18) at /usr/include/c++/12.1.0/bits/atomic_base.h:521
>        expectedOrActual = 0 '\000'
>#1  std::__atomic_base<unsigned char>::compare_exchange_weak(unsigned char&, unsigned char, std::memory_order)
>    (__m=std::memory_order::acquire, __i2=1 '\001', __i1=<synthetic pointer>: 0 '\000', this=0x18)
>    at /usr/include/c++/12.1.0/bits/atomic_base.h:542
>        expectedOrActual = 0 '\000'
>#2  WTF::Atomic<unsigned char>::compareExchangeWeak(unsigned char, unsigned char, std::memory_order)
>    (order=std::memory_order::acquire, desired=1 '\001', expected=0 '\000', this=0x18)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/_builddir/WTF/Headers/wtf/Atomics.h:89
>        expectedOrActual = 0 '\000'
>#3  WTF::LockAlgorithm<unsigned char, (unsigned char)1, (unsigned char)2, WTF::EmptyLockHooks<unsigned char> >::lockFastAssumingZero(WTF::Atomic<unsigned char>&) (lock=...)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/_builddir/WTF/Headers/wtf/LockAlgorithm.h:53
>#4  WTF::Lock::lock() (this=0x18) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/_builddir/WTF/Headers/wtf/Lock.h:65
>#5  WTF::Locker<WTF::Lock>::Locker(WTF::Lock&) (lock=..., this=<synthetic pointer>)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/_builddir/WTF/Headers/wtf/Lock.h:158
>#6  Nicosia::CompositionLayer::updateState<WebCore::ScrollingTreeFixedNode::applyLayerPositions()::<lambda(Nicosia::CompositionLayer::LayerState&)> > (functor=<optimized out>, this=0x0)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaPlatformLayer.h:212
>#7  WebCore::ScrollingTreeFixedNode::applyLayerPositions() (this=<optimized out>)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebCore/page/scrolling/nicosia/ScrollingTreeFixedNode.cpp:135
>#8  0x00007f89a3dbd0f5 in WebCore::ScrollingTree::applyLayerPositionsRecursive(WebCore::ScrollingTreeNode&)
>    (this=0x7f8992104640, node=...)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebCore/page/scrolling/ScrollingTree.cpp:467
>#9  0x00007f89a3dbd43f in WebCore::ScrollingTree::applyLayerPositionsRecursive(WebCore::ScrollingTreeNode&)
>    (node=<optimized out>, this=0x7f8992104640)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebCore/page/scrolling/ScrollingTree.cpp:470
>        child = @0x7f6fb7246010: {m_ptr = 0x7f6fb7246180}
>        __for_range = <optimized out>
>        __for_begin = 0x7f6fb7246010
>        __for_end = 0x7f6fb7246018
>#10 WebCore::ScrollingTree::applyLayerPositionsInternal() (this=0x7f8992104640)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebCore/page/scrolling/ScrollingTree.cpp:462
>#11 WebCore::ScrollingTree::applyLayerPositions() (this=0x7f8992104640)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebCore/page/scrolling/ScrollingTree.cpp:453
>#12 0x00007f89a3d2f585 in WebCore::Page::finalizeRenderingUpdate(WTF::OptionSet<WebCore::FinalizeRenderingUpdateFlags>) (this=0x7f89920e4680, flags=...) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebCore/page/Page.cpp:1851
>        scrollingCoordinator = 0x7f8992017b40
>        view = <optimized out>
>#13 0x00007f89a2704abd in WebKit::WebPage::finalizeRenderingUpdate(WTF::OptionSet<WebCore::FinalizeRenderingUpdateFlags>) (this=<optimized out>, flags=..., flags@entry=...)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/WebProcess/WebPage/WebPage.cpp:4457
>#14 0x00007f89a273b103 in WebKit::CompositingCoordinator::flushPendingLayerChanges(WTF::OptionSet<WebCore::FinalizeRenderingUpdateFlags>) (this=0x7f8992157620, flags=...)
>    at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/CompositingCoordinator.cpp:134
>        protector = {m_scopedVariable = @0x7f89921576b1, m_valueToRestore = <optimized out>}
>--Type <RET> for more, q to quit, c to continue without paging--c
>        coordinatedLayer = <optimized out>
>#15 0x00007f89a2740d3b in WebKit::LayerTreeHost::layerFlushTimerFired() (this=0x7f8992157520) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.cpp:157
>        flags = {m_storage = <optimized out>}
>        didSync = <optimized out>
>#16 WebKit::LayerTreeHost::layerFlushTimerFired() (this=0x7f8992157520) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.cpp:136
>#17 0x00007f89a126b545 in operator() (__closure=0x0, userData=0x7f89921575f0) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:177
>        timer = 0x7f89921575f0
>        source = 0x55b2eadb6830
>#18 _FUN(gpointer) () at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:181
>#19 0x00007f89a126bd4d in operator() (__closure=0x0, userData=0x7f89921575f0, callback=0x7f89a126b4d0 <_FUN(gpointer)>, source=0x55b2eadb6830) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:53
>        name = 0x55b2eae053c0 "[WebKit] LayerTreeHost"
>        runLoopSource = @0x55b2eadb6830: {source = {callback_data = 0x55b2ead57320, callback_funcs = 0x7f899dd932c0 <g_source_callback_funcs>, source_funcs = 0x7f89a165d000 <WTF::RunLoop::s_runLoopSourceFunctions>, ref_count = 3, context = 0x55b2eab6b870, priority = 110, flags = 67, source_id = 25, poll_fds = 0x0, prev = 0x55b2eadb6bb0, next = 0x55b2eae2e610, name = 0x55b2eae053c0 "[WebKit] LayerTreeHost", priv = 0x7f8984002f90}, runLoop = 0x7f89920100e0}
>        returnValue = <optimized out>
>#20 _FUN(GSource*, GSourceFunc, gpointer) () at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:56
>#21 0x00007f899dcaf661 in g_main_dispatch (context=<optimized out>) at ../glib/gmain.c:3444
>        dispatch = 0x7f89a126bcf0 <_FUN(GSource*, GSourceFunc, gpointer)>
>        prev_source = 0x0
>        begin_time_nsec = 2786302223462
>        was_in_call = 0
>        user_data = 0x7f89921575f0
>        callback = 0x7f89a126b4d0 <_FUN(gpointer)>
>        cb_funcs = 0x7f899dd932c0 <g_source_callback_funcs>
>        cb_data = 0x55b2ead57320
>        need_destroy = <optimized out>
>        source = 0x55b2eadb6830
>        current = 0x55b2eab75120
>        i = 0
>        __func__ = "g_main_dispatch"
>#22 g_main_context_dispatch (context=<optimized out>) at ../glib/gmain.c:4162
>#23 0x00007f899dcafbb8 in g_main_context_iterate (context=0x55b2eab6b870, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4238
>        max_priority = 110
>        timeout = 0
>        some_ready = 1
>        nfds = 2
>        allocated_nfds = <optimized out>
>        fds = <optimized out>
>        begin_time_nsec = 2786302214214
>#24 0x00007f899dcafe9f in g_main_loop_run (loop=0x55b2eab666a0) at ../glib/gmain.c:4438
>        __func__ = "g_main_loop_run"
>#25 0x00007f89a126beb0 in WTF::RunLoop::run() () at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:108
>        runLoop = @0x7f89920100e0: {<WTF::FunctionDispatcher> = {_vptr.FunctionDispatcher = 0x7f89a164a9f0 <vtable for WTF::RunLoop+16>}, <WTF::ThreadSafeRefCounted<WTF::RunLoop, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = std::atomic<unsigned int> = { 35 }}, <No data fields>}, m_currentIteration = {m_start = 1, m_end = 1, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()>, WTF::FastMalloc>> = {m_buffer = 0x7f8992090880, m_capacity = 16, m_size = 0}, <No data fields>}}, m_nextIterationLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = std::atomic<unsigned char> = { 0 '\000' }}}, m_nextIteration = {m_start = 0, m_end = 0, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()>, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}}, m_isFunctionDispatchSuspended = false, m_hasSuspendedFunctions = false, static s_runLoopSourceFunctions = {prepare = 0x0, check = 0x0, dispatch = 0x7f89a126bcf0 <_FUN(GSource*, GSourceFunc, gpointer)>, finalize = 0x0, closure_callback = 0x0, closure_marshal = 0x0}, m_mainContext = {m_ptr = 0x55b2eab6b870}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop>, WTF::FastMalloc>> = {m_buffer = 0x7f8992008180, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x55b2eab92fe0}, m_observers = {m_set = {m_impl = {{m_table = 0x0, m_tableForLLDB = 0x0}}}}}
>        mainContext = 0x55b2eab6b870
>        innermostLoop = 0x55b2eab666a0
>        nestedMainLoop = <optimized out>
>#26 0x00007f89a274cc6f in WebKit::AuxiliaryProcessMainBase<WebKit::WebProcess, true>::run(int, char**) (argc=3, argv=0x7ffedd33e4e8, this=0x7ffedd33e350) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/Shared/AuxiliaryProcessMain.h:71
>        auxiliaryMain = {m_storage = {__data = "\260\032\067\245\211\177", '\000' <repeats 26 times>, "\324\001\000\000\000\000\000\000\001\000\000\000\000\000\000\000\247", '\000' <repeats 22 times>, __align = {<No data fields>}}}
>#27 WebKit::AuxiliaryProcessMainBase<WebKit::WebProcess, true>::run(int, char**) (argv=0x7ffedd33e4e8, argc=3, this=0x7ffedd33e350) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/Shared/AuxiliaryProcessMain.h:58
>        auxiliaryMain = {m_storage = {__data = "\260\032\067\245\211\177", '\000' <repeats 26 times>, "\324\001\000\000\000\000\000\000\001\000\000\000\000\000\000\000\247", '\000' <repeats 22 times>, __align = {<No data fields>}}}
>#28 WebKit::AuxiliaryProcessMain<WebKit::WebProcessMainGtk>(int, char**) (argc=3, argv=0x7ffedd33e4e8) at /usr/lib/debug/source/sdk/webkit2gtk-5.0.bst/Source/WebKit/Shared/AuxiliaryProcessMain.h:97
>        auxiliaryMain = {m_storage = {__data = "\260\032\067\245\211\177", '\000' <repeats 26 times>, "\324\001\000\000\000\000\000\000\001\000\000\000\000\000\000\000\247", '\000' <repeats 22 times>, __align = {<No data fields>}}}
>#29 0x00007f89a16e454a in __libc_start_call_main (main=main@entry=0x55b2ea596060 <main>, argc=argc@entry=3, argv=argv@entry=0x7ffedd33e4e8) at ../sysdeps/nptl/libc_start_call_main.h:58
>        self = <optimized out>
>        result = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140732609586408, 5028202558390813349, 3, 0, 94226924277136, 140229162373120, 5028202558413882021, 4983579528553710245}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x3, 0x7ffedd33e4e0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 3}}}
>        not_first_call = <optimized out>
>#30 0x00007f89a16e460b in __libc_start_main_impl (main=0x55b2ea596060 <main>, argc=3, argv=0x7ffedd33e4e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=<optimized out>) at ../csu/libc-start.c:389
>#31 0x000055b2ea596095 in _start ()

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Attachments on bug 246460: 462962