274389 2024-05-20 06:20:39 -0700 REGRESSION(2.45.1/2.45.2): [GTK] UI process crash in Nicosia::AcceleratedBuffer::~AcceleratedBuffer: Couldn't find current GLX or EGL context 2024-05-30 04:54:17 -0700 1 1 1 Unclassified WebKit WebKitGTK WebKit Nightly Build PC Linux RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=260856 P2 Normal --- 1 mcatanzaro cgarcia bugs-noreply cgarcia mcatanzaro oldest_to_newest 2036397 0 471442 mcatanzaro 2024-05-20 06:20:39 -0700 Created attachment 471442 Full backtrace This UI process crash (Ephy Tech Preview with WebKitGTK 2.45.2) is very similar to bug #260856, but it's happening in a completely different place: (gdb) bt #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44 #1 0x00007f34d52a3e83 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78 #2 0x00007f34d5251dce in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 #3 0x00007f34d523983f in __GI_abort () at abort.c:79 #4 0x00007f34d523975b in __assert_fail_base (fmt=0x7f34d53beb88 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7f34d9cdaec8 "0 && \"Couldn't find current GLX or EGL context.\\n\"", file=file@entry=0x7f34d9cdafcd "../src/dispatch_common.c", line=line@entry=872, function=function@entry=0x7f34d9ce5ca0 <__PRETTY_FUNCTION__.0.lto_priv.0> "epoxy_get_proc_address") at assert.c:92 #5 0x00007f34d524a207 in __assert_fail (assertion=assertion@entry=0x7f34d9cdaec8 "0 && \"Couldn't find current GLX or EGL context.\\n\"", file=file@entry=0x7f34d9cdafcd "../src/dispatch_common.c", line=line@entry=872, function=function@entry=0x7f34d9ce5ca0 <__PRETTY_FUNCTION__.0.lto_priv.0> "epoxy_get_proc_address") at assert.c:101 #6 0x00007f34d9cc1e3b in epoxy_get_proc_address (name=0x7f34d9ccc2a5 <entrypoint_strings.lto_priv+10181> "glDeleteSync") at ../src/dispatch_common.c:872 #7 0x00007f34d9c7050a in epoxy_glDeleteSync_resolver () at src/gl_generated_dispatch.c:81898 #8 epoxy_glDeleteSync_global_rewrite_ptr (sync=0x556e524d3440) at src/gl_generated_dispatch.c:115010 #9 0x00007f34d7c517bf in std::default_delete<WebCore::GLFence>::operator() (this=<optimized out>, __ptr=0x7f34be1b3910) at /usr/bin/../lib/gcc/x86_64-unknown-linux-gnu/13.2.0/../../../../include/c++/13.2.0/bits/unique_ptr.h:99 #10 std::unique_ptr<WebCore::GLFence, std::default_delete<WebCore::GLFence> >::~unique_ptr (this=0x7f34be1927e0) at /usr/bin/../lib/gcc/x86_64-unknown-linux-gnu/13.2.0/../../../../include/c++/13.2.0/bits/unique_ptr.h:404 #11 Nicosia::AcceleratedBuffer::~AcceleratedBuffer (this=0x7f34be1927c0) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaBuffer.cpp:145 #12 0x00007f34d7c51812 in Nicosia::AcceleratedBuffer::~AcceleratedBuffer (this=0x2) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaBuffer.cpp:145 #13 0x00007f34d5e92260 in WTF::ThreadSafeRefCounted<Nicosia::Buffer, (WTF::DestructionThread)0>::deref() const::{lambda()#1}::operator()() const (this=<optimized out>) at WTF/Headers/wtf/ThreadSafeRefCounted.h:144 #14 WTF::ThreadSafeRefCounted<Nicosia::Buffer, (WTF::DestructionThread)0>::deref (this=0xa) at WTF/Headers/wtf/ThreadSafeRefCounted.h:156 #15 WTF::DefaultRefDerefTraits<Nicosia::Buffer>::derefIfNotNull (ptr=0x2) at WTF/Headers/wtf/Ref.h:62 I think the stuff above does not actually matter, because in frame #15 ptr is dangling, so we've already lost. Here's the rest: #16 WTF::Ref<Nicosia::Buffer, WTF::RawPtrTraits<Nicosia::Buffer>, WTF::DefaultRefDerefTraits<Nicosia::Buffer> >::~Ref (this=0x7f34be171f08) at WTF/Headers/wtf/Ref.h:82 #17 Nicosia::BackingStore::TileUpdate::UpdateData::~UpdateData (this=0x7f34be171ee0) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaBackingStore.h:60 #18 WTF::VectorDestructor<true, Nicosia::BackingStore::TileUpdate::UpdateData>::destruct (begin=0x7f34be171ee0, end=<optimized out>) at WTF/Headers/wtf/Vector.h:70 #19 WTF::VectorTypeOperations<Nicosia::BackingStore::TileUpdate::UpdateData>::destruct (begin=0x7f34be171ee0, end=<optimized out>) at WTF/Headers/wtf/Vector.h:253 #20 WTF::Vector<Nicosia::BackingStore::TileUpdate::UpdateData, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>::~Vector (this=0x7f34be014e70) at WTF/Headers/wtf/Vector.h:781 #21 Nicosia::BackingStore::TileUpdate::~TileUpdate (this=0x7f34be014e60) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaBackingStore.h:47 #22 Nicosia::BackingStore::{unnamed type#1}::~BackingStore() (this=0x7f34be014e58) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaBackingStore.h:120 #23 Nicosia::BackingStore::~BackingStore (this=0x7f34be014e00) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaBackingStore.h:39 #24 0x00007f34d621e909 in WTF::ThreadSafeRefCounted<Nicosia::BackingStore, (WTF::DestructionThread)0>::deref() const::{lambda()#1}::operator()() const (this=<optimized out>) at WTF/Headers/wtf/ThreadSafeRefCounted.h:144 #25 WTF::ThreadSafeRefCounted<Nicosia::BackingStore, (WTF::DestructionThread)0>::deref (this=0x7f34be014e08) at WTF/Headers/wtf/ThreadSafeRefCounted.h:156 #26 WTF::DefaultRefDerefTraits<Nicosia::BackingStore>::derefIfNotNull (ptr=0x7f34be014e00) at WTF/Headers/wtf/Ref.h:62 #27 WTF::RefPtr<Nicosia::BackingStore, WTF::RawPtrTraits<Nicosia::BackingStore>, WTF::DefaultRefDerefTraits<Nicosia::BackingStore> >::~RefPtr (this=0x7f346a121440) at WTF/Headers/wtf/RefPtr.h:60 c #28 Nicosia::CompositionLayer::LayerState::~LayerState (this=0x7f346a121030) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:57 #29 0x00007f34d621e4df in Nicosia::CompositionLayer::{unnamed type#1}::~CompositionLayer() (this=0x7f346a121030) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:279 #30 Nicosia::CompositionLayer::~CompositionLayer (this=0x7f346a121000) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:50 #31 Nicosia::CompositionLayer::~CompositionLayer (this=0x7f346a121000) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:50 #32 0x00007f34d621e7a0 in WTF::ThreadSafeRefCounted<Nicosia::PlatformLayer, (WTF::DestructionThread)0>::deref() const::{lambda()#1}::operator()() const (this=<optimized out>) at WTF/Headers/wtf/ThreadSafeRefCounted.h:144 #33 WTF::ThreadSafeRefCounted<Nicosia::PlatformLayer, (WTF::DestructionThread)0>::deref (this=0xa) at WTF/Headers/wtf/ThreadSafeRefCounted.h:156 #34 WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer>::derefIfNotNull (ptr=0x2) at WTF/Headers/wtf/Ref.h:62 #35 WTF::RefPtr<Nicosia::CompositionLayer, WTF::RawPtrTraits<Nicosia::CompositionLayer>, WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer> >::~RefPtr (this=0x7f34be1b38e0) at WTF/Headers/wtf/RefPtr.h:60 #36 WTF::VectorDestructor<true, WTF::RefPtr<Nicosia::CompositionLayer, WTF::RawPtrTraits<Nicosia::CompositionLayer>, WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer> > >::destruct (begin=0x7f34be1b38e0, end=<optimized out>) at WTF/Headers/wtf/Vector.h:70 #37 WTF::VectorTypeOperations<WTF::RefPtr<Nicosia::CompositionLayer, WTF::RawPtrTraits<Nicosia::CompositionLayer>, WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer> > >::destruct (begin=0x7f34be1b38e0, end=<optimized out>) at WTF/Headers/wtf/Vector.h:253 #38 WTF::Vector<WTF::RefPtr<Nicosia::CompositionLayer, WTF::RawPtrTraits<Nicosia::CompositionLayer>, WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer> >, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>::~Vector (this=0x7f346a01e3e0) at WTF/Headers/wtf/Vector.h:781 #39 Nicosia::CompositionLayer::LayerState::~LayerState (this=0x7f346a01e030) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:57 #40 0x00007f34d621e4df in Nicosia::CompositionLayer::{unnamed type#1}::~CompositionLayer() (this=0x7f346a01e030) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:279 #41 Nicosia::CompositionLayer::~CompositionLayer (this=0x7f346a01e000) --Type <RET> for more, q to quit, c to continue without paging--c at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:50 #42 Nicosia::CompositionLayer::~CompositionLayer (this=0x7f346a01e000) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:50 #43 0x00007f34d621e7a0 in WTF::ThreadSafeRefCounted<Nicosia::PlatformLayer, (WTF::DestructionThread)0>::deref() const::{lambda()#1}::operator()() const (this=<optimized out>) at WTF/Headers/wtf/ThreadSafeRefCounted.h:144 #44 WTF::ThreadSafeRefCounted<Nicosia::PlatformLayer, (WTF::DestructionThread)0>::deref (this=0xa) at WTF/Headers/wtf/ThreadSafeRefCounted.h:156 #45 WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer>::derefIfNotNull (ptr=0x2) at WTF/Headers/wtf/Ref.h:62 #46 WTF::RefPtr<Nicosia::CompositionLayer, WTF::RawPtrTraits<Nicosia::CompositionLayer>, WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer> >::~RefPtr (this=0x7f34be1b38d0) at WTF/Headers/wtf/RefPtr.h:60 #47 WTF::VectorDestructor<true, WTF::RefPtr<Nicosia::CompositionLayer, WTF::RawPtrTraits<Nicosia::CompositionLayer>, WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer> > >::destruct (begin=0x7f34be1b38d0, end=<optimized out>) at WTF/Headers/wtf/Vector.h:70 #48 WTF::VectorTypeOperations<WTF::RefPtr<Nicosia::CompositionLayer, WTF::RawPtrTraits<Nicosia::CompositionLayer>, WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer> > >::destruct (begin=0x7f34be1b38d0, end=<optimized out>) at WTF/Headers/wtf/Vector.h:253 #49 WTF::Vector<WTF::RefPtr<Nicosia::CompositionLayer, WTF::RawPtrTraits<Nicosia::CompositionLayer>, WTF::DefaultRefDerefTraits<Nicosia::CompositionLayer> >, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>::~Vector (this=0x7f346a0193e0) at WTF/Headers/wtf/Vector.h:781 #50 Nicosia::CompositionLayer::LayerState::~LayerState (this=0x7f346a019030) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:57 #51 0x00007f34d621e4df in Nicosia::CompositionLayer::{unnamed type#1}::~CompositionLayer() (this=0x7f346a019030) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:279 #52 Nicosia::CompositionLayer::~CompositionLayer (this=0x7f346a019000) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:50 #53 Nicosia::CompositionLayer::~CompositionLayer (this=0x7f346a019000) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/platform/graphics/nicosia/NicosiaCompositionLayer.h:50 #54 0x00007f34d7a32f50 in WebCore::LayerRepresentation::~LayerRepresentation (this=0x7f34be0799f0) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/page/scrolling/ScrollingStateNode.h:95 #55 WebCore::ScrollingTreeScrollingNode::~ScrollingTreeScrollingNode (this=0x7f34be0798c0) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/page/scrolling/ScrollingTreeScrollingNode.cpp:49 #56 0x00007f34d7a3cb32 in WebCore::ScrollingTreeFrameScrollingNodeNicosia::~ScrollingTreeFrameScrollingNodeNicosia (this=0x2) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/page/scrolling/nicosia/ScrollingTreeFrameScrollingNodeNicosia.cpp:54 #57 0x00007f34d7a23893 in WTF::ThreadSafeWeakPtrControlBlock::strongDeref<WebCore::ScrollingTreeNode, (WTF::DestructionThread)0>() const::{lambda()#1}::operator()() const (this=<optimized out>) at WTF/Headers/wtf/ThreadSafeWeakPtr.h:101 #58 WTF::ThreadSafeWeakPtrControlBlock::strongDeref<WebCore::ScrollingTreeNode, (WTF::DestructionThread)0> (this=0x7f34be1b77c0) at WTF/Headers/wtf/ThreadSafeWeakPtr.h:107 #59 WTF::ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<WebCore::ScrollingTreeNode, (WTF::DestructionThread)0>::deref (this=<optimized out>) at WTF/Headers/wtf/ThreadSafeWeakPtr.h:170 #60 WTF::DefaultRefDerefTraits<WebCore::ScrollingTreeFrameScrollingNode>::derefIfNotNull (ptr=<optimized out>) at WTF/Headers/wtf/Ref.h:62 #61 WTF::RefPtr<WebCore::ScrollingTreeFrameScrollingNode, WTF::RawPtrTraits<WebCore::ScrollingTreeFrameScrollingNode>, WTF::DefaultRefDerefTraits<WebCore::ScrollingTreeFrameScrollingNode> >::~RefPtr (this=<optimized out>) at WTF/Headers/wtf/RefPtr.h:60 #62 WebCore::ScrollingTree::~ScrollingTree (this=<optimized out>) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/page/scrolling/ScrollingTree.cpp:75 #63 0x00007f34d7a3e7f2 in WebCore::ScrollingTreeNicosia::~ScrollingTreeNicosia (this=0x2) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/page/scrolling/nicosia/ScrollingTreeNicosia.h:36 #64 0x00007f34d7a3a68a in WTF::ThreadSafeRefCounted<WebCore::ScrollingTree, (WTF::DestructionThread)0>::deref() const::{lambda()#1}::operator()() const (this=<optimized out>) at WTF/Headers/wtf/ThreadSafeRefCounted.h:144 #65 WTF::ThreadSafeRefCounted<WebCore::ScrollingTree, (WTF::DestructionThread)0>::deref (this=0xa) at WTF/Headers/wtf/ThreadSafeRefCounted.h:156 #66 WTF::DefaultRefDerefTraits<WebCore::ThreadedScrollingTree>::derefIfNotNull (ptr=0x2) at WTF/Headers/wtf/Ref.h:62 #67 WTF::RefPtr<WebCore::ThreadedScrollingTree, WTF::RawPtrTraits<WebCore::ThreadedScrollingTree>, WTF::DefaultRefDerefTraits<WebCore::ThreadedScrollingTree> >::~RefPtr (this=0x7f34be058378) at WTF/Headers/wtf/RefPtr.h:60 #68 WebCore::ThreadedScrollingCoordinator::pageDestroyed()::$_0::~$_0() (this=0x7f34be058378) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WebCore/page/scrolling/ThreadedScrollingCoordinator.cpp:51 #69 WTF::Detail::CallableWrapper<WebCore::ThreadedScrollingCoordinator::pageDestroyed()::$_0, void>::~CallableWrapper() (this=0x7f34be058370) at WTF/Headers/wtf/Function.h:47 #70 WTF::Detail::CallableWrapper<WebCore::ThreadedScrollingCoordinator::pageDestroyed()::$_0, void>::~CallableWrapper() (this=0x7f34be058370) at WTF/Headers/wtf/Function.h:47 #71 0x00007f34d4b90fe4 in std::default_delete<WTF::Detail::CallableWrapperBase<void> >::operator() (__ptr=0x7f34be058370, this=<optimized out>) at /usr/bin/../lib/gcc/x86_64-unknown-linux-gnu/13.2.0/../../../../include/c++/13.2.0/bits/unique_ptr.h:99 #72 std::unique_ptr<WTF::Detail::CallableWrapperBase<void>, std::default_delete<WTF::Detail::CallableWrapperBase<void> > >::~unique_ptr (this=<optimized out>) at /usr/bin/../lib/gcc/x86_64-unknown-linux-gnu/13.2.0/../../../../include/c++/13.2.0/bits/unique_ptr.h:404 #73 WTF::Function<void ()>::~Function() (this=<optimized out>) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/Forward.h:85 #74 WTF::RunLoop::performWork (this=0x7f34be1c40e0) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/RunLoop.cpp:148 #75 0x00007f34d4bf6acd in WTF::RunLoop::RunLoop()::$_0::operator()(void*) const (userData=0x2, userData@entry=0x7f34be1c40e0, this=<optimized out>) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:80 #76 WTF::RunLoop::RunLoop()::$_0::__invoke(void*) (userData=0x2) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:79 #77 0x00007f34d4bf5c31 in WTF::RunLoop::$_0::operator() (source=0x7f32d8000dd0, callback=0x7f34d4bf6ac0 <WTF::RunLoop::RunLoop()::$_0::__invoke(void*)>, userData=0x7f34be1c40e0, this=<optimized out>) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:53 #78 WTF::RunLoop::$_0::__invoke (source=0x7f32d8000dd0, callback=0x7f34d4bf6ac0 <WTF::RunLoop::RunLoop()::$_0::__invoke(void*)>, userData=0x7f34be1c40e0) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:45 #79 0x00007f34d0f18767 in g_main_dispatch (context=context@entry=0x7f32d8000b70) at ../glib/gmain.c:3348 #80 0x00007f34d0f1a907 in g_main_context_dispatch_unlocked (context=0x7f32d8000b70) at ../glib/gmain.c:4197 #81 g_main_context_iterate_unlocked (context=0x7f32d8000b70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4262 #82 0x00007f34d0f1b3a7 in g_main_loop_run (loop=0x7f32d8000db0) at ../glib/gmain.c:4464 #83 0x00007f34d4bf6211 in WTF::RunLoop::run () at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/glib/RunLoopGLib.cpp:108 #84 0x00007f34d4b948d7 in WTF::Function<void ()>::operator()() const (this=<optimized out>) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/Function.h:82 #85 WTF::Thread::entryPoint (newThreadContext=0x7f34be1bc1d0) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/Threading.cpp:259 #86 0x00007f34d4bf9d6d in WTF::wtfThreadEntryPoint (context=0x2) at /buildstream/gnome/sdk/webkitgtk-6.0.bst/Source/WTF/wtf/posix/ThreadingPOSIX.cpp:245 #87 0x00007f34d52a1e39 in start_thread (arg=<optimized out>) at pthread_create.c:444 #88 0x00007f34d53299c4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 2036398 1 mcatanzaro 2024-05-20 06:23:01 -0700 Astoundingly, I hit this crash a second time immediately after reporting this bug, when trying to close the browser tab that I had used to report this bug. I had assumed it was random, but now I'm wondering. I don't believe I've seen it prior to today. 2036738 2 mcatanzaro 2024-05-21 08:30:13 -0700 (In reply to Michael Catanzaro from comment #1) > Astoundingly, I hit this crash a second time And again today. I assume this is a regression from 2.45.1/2.45.2 because I haven't seen it until recently. 2038205 3 mcatanzaro 2024-05-28 09:31:10 -0700 Found a reproducer: copy any URL, then press Ctrl+T and then Ctrl+V in quick succession. Crash! 2038674 4 cgarcia 2024-05-29 21:14:31 -0700 Is it a UI or web process crash? The bt is from the async scrolling thread in the web process. 2038700 5 cgarcia 2024-05-29 22:36:44 -0700 Pull request: https://github.com/WebKit/WebKit/pull/29289 2038732 6 ews-feeder 2024-05-30 03:23:00 -0700 Committed 279507@main (a04bd30787a2): <https://commits.webkit.org/279507@main> Reviewed commits have been landed. Closing PR #29289 and removing active labels. 2038742 7 mcatanzaro 2024-05-30 04:54:17 -0700 (In reply to Carlos Garcia Campos from comment #4) > Is it a UI or web process crash? The bt is from the async scrolling thread > in the web process. Uhhh, huh, you're right. That's weird. So it seems the UI process is not crashing. Only the web process crashes; at least, I have only web process core dumps in coredumpctl. But the UI process definitely *quits*. So it's quitting without crashing in response to a web process crash. That's weird. 471442 2024-05-20 06:20:39 -0700 2024-05-20 06:20:39 -0700 Full backtrace gdb.txt text/plain 21843 mcatanzaro IzAgIF9fcHRocmVhZF9raWxsX2ltcGxlbWVudGF0aW9uICh0aHJlYWRpZD08b3B0aW1pemVkIG91 dD4sIHNpZ25vPXNpZ25vQGVudHJ5PTYsIG5vX3RpZD1ub190aWRAZW50cnk9MCkgYXQgcHRocmVh ZF9raWxsLmM6NDQKICAgICAgICB0aWQgPSA8b3B0aW1pemVkIG91dD4KICAgICAgICByZXQgPSAw CiAgICAgICAgcGQgPSA8b3B0aW1pemVkIG91dD4KICAgICAgICBvbGRfbWFzayA9IHtfX3ZhbCA9 IHsxMzk4NjIyNTI0NTEwNDB9fQogICAgICAgIHJldCA9IDxvcHRpbWl6ZWQgb3V0PgojMSAgMHgw MDAwN2YzNGQ1MmEzZTgzIGluIF9fcHRocmVhZF9raWxsX2ludGVybmFsIChzaWdubz02LCB0aHJl YWRpZD08b3B0aW1pemVkIG91dD4pIGF0IHB0aHJlYWRfa2lsbC5jOjc4CiMyICAweDAwMDA3ZjM0 ZDUyNTFkY2UgaW4gX19HSV9yYWlzZSAoc2lnPXNpZ0BlbnRyeT02KSBhdCAuLi9zeXNkZXBzL3Bv c2l4L3JhaXNlLmM6MjYKICAgICAgICByZXQgPSA8b3B0aW1pemVkIG91dD4KIzMgIDB4MDAwMDdm MzRkNTIzOTgzZiBpbiBfX0dJX2Fib3J0ICgpIGF0IGFib3J0LmM6NzkKICAgICAgICBzYXZlX3N0 YWdlID0gMQogICAgICAgIGFjdCA9IHtfX3NpZ2FjdGlvbl9oYW5kbGVyID0ge3NhX2hhbmRsZXIg 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