227714 2021-07-06 11:12:29 -0700 Make sure PlatformCALayer gets destroyed on the main thread 2021-07-06 13:48:24 -0700 1 1 1 Unclassified WebKit Layout and Rendering WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 cdumez cdumez bfulgham ggaren simon.fraser webkit-bug-importer zalan oldest_to_newest 1774996 0 cdumez 2021-07-06 11:12:29 -0700 Make sure PlatformCALayer gets destroyed on the main thread, to avoid crashes like these: Thread 6 Crashed ↩:: Dispatch queue: com.apple.WebKit.EventDispatcher 0 com.apple.WebCore 0x000000019ee50bd8 WTFCrashWithInfo(int, char const*, char const*, int) + 20 1 com.apple.WebCore 0x000000019ec2ef8c WebCore::TimerBase::~TimerBase() + 236 2 com.apple.WebCore 0x000000019ec601fc WebCore::TileController::~TileController() + 184 3 com.apple.WebCore 0x000000019ec600fc -[WebTiledBackingLayer invalidate] + 40 4 com.apple.WebCore 0x000000019f945630 WebCore::PlatformCALayerCocoa::~PlatformCALayerCocoa() + 484 5 com.apple.WebCore 0x000000019f945b1c WebCore::PlatformCALayerCocoa::~PlatformCALayerCocoa() + 16 6 com.apple.WebCore 0x000000019f7ab030 collectDescendantLayersAtPoint(WTF::Vector<std::__1::pair<CALayer*, WebCore::FloatPoint>, 16ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&, CALayer*, CGPoint) + 1308 7 com.apple.WebCore 0x000000019f7ab180 WebCore::ScrollingTreeMac::eventListenerRegionTypesForPoint(WebCore::FloatPoint) const + 136 8 com.apple.WebCore 0x00000001a0901148 WebCore::ScrollingTree::determineWheelEventProcessing(WebCore::PlatformWheelEvent const&) + 540 9 com.apple.WebKit 0x00000001a21e79a4 WebKit::EventDispatcher::wheelEvent(WTF::ObjectIdentifier<WebCore::PageIdentifierType>, WebKit::WebWheelEvent const&, bool, bool, bool, bool) + 648 10 com.apple.WebKit 0x00000001a1b4f634 WebKit::EventDispatcher::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 364 1774997 1 432946 cdumez 2021-07-06 11:13:43 -0700 Created attachment 432946 Patch 1775049 2 432946 ggaren 2021-07-06 13:00:51 -0700 Comment on attachment 432946 Patch r=me 1775066 3 ews-feeder 2021-07-06 13:47:07 -0700 Committed r279615 (239436@main): <https://commits.webkit.org/239436@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 432946. 1775067 4 webkit-bug-importer 2021-07-06 13:48:24 -0700 <rdar://problem/80229177> 432946 2021-07-06 11:13:43 -0700 2021-07-06 13:47:08 -0700 Patch bug-227714-20210706111342.patch text/plain 1568 cdumez U3VidmVyc2lvbiBSZXZpc2lvbjogMjc5NTgzCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggMzU3M2M1NDdhOWU3MmZm N2NhMTlkZjAwNjM5Njc4ZDdlNzVhOTQzOS4uN2Q3ZjBlZmZlOTM4NzM5NTI1MDBmYjc2MmMyY2Rm ZjU0OTkxY2IyNiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE2IEBACisyMDIxLTA3LTA2ICBDaHJp cyBEdW1leiAgPGNkdW1lekBhcHBsZS5jb20+CisKKyAgICAgICAgTWFrZSBzdXJlIFBsYXRmb3Jt Q0FMYXllciBnZXRzIGRlc3Ryb3llZCBvbiB0aGUgbWFpbiB0aHJlYWQKKyAgICAgICAgaHR0cHM6 Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIyNzcxNAorCisgICAgICAgIFJldmll d2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIE1ha2Ugc3VyZSBQbGF0Zm9ybUNBTGF5 ZXIgZ2V0cyBkZXN0cm95ZWQgb24gdGhlIG1haW4gdGhyZWFkIGFzIHdlIGhhdmUgZXZpZGVuY2Ug dGhpcyBpcworICAgICAgICBub3QgYWx3YXlzIHRoZSBjYXNlIGFuZCBpdHMgZGVzdHJ1Y3RvciBp cyBkZWZpbml0ZWx5IG5vdCBzYWZlIHRvIGNhbGwgb24gYSBub24tbWFpbgorICAgICAgICB0aHJl YWQuCisKKyAgICAgICAgKiBwbGF0Zm9ybS9ncmFwaGljcy9jYS9QbGF0Zm9ybUNBTGF5ZXIuaDoK KwogMjAyMS0wNy0wNiAgQ2hyaXMgRHVtZXogIDxjZHVtZXpAYXBwbGUuY29tPgogCiAgICAgICAg IFVucmV2aWV3ZWQsIHJldmVydGluZyByMjc5NDk1LgpkaWZmIC0tZ2l0IGEvU291cmNlL1dlYkNv cmUvcGxhdGZvcm0vZ3JhcGhpY3MvY2EvUGxhdGZvcm1DQUxheWVyLmggYi9Tb3VyY2UvV2ViQ29y ZS9wbGF0Zm9ybS9ncmFwaGljcy9jYS9QbGF0Zm9ybUNBTGF5ZXIuaAppbmRleCAzZjg3NzJjOWJl ZjI4YWFhYzUzNjhhOTJkOGViZDU1YWE1ZTVmMzEzLi41ZGYxYTNiNjFhYjVkOTdlZDYzYzhhYjE4 ODhlOWRkYTkyZDE1ODM0IDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViQ29yZS9wbGF0Zm9ybS9ncmFw aGljcy9jYS9QbGF0Zm9ybUNBTGF5ZXIuaAorKysgYi9Tb3VyY2UvV2ViQ29yZS9wbGF0Zm9ybS9n cmFwaGljcy9jYS9QbGF0Zm9ybUNBTGF5ZXIuaApAQCAtNDgsNyArNDgsNyBAQCBjbGFzcyBQbGF0 Zm9ybUNBTGF5ZXJDbGllbnQ7CiAKIHR5cGVkZWYgVmVjdG9yPFJlZlB0cjxQbGF0Zm9ybUNBTGF5 ZXI+PiBQbGF0Zm9ybUNBTGF5ZXJMaXN0OwogCi1jbGFzcyBXRUJDT1JFX0VYUE9SVCBQbGF0Zm9y bUNBTGF5ZXIgOiBwdWJsaWMgVGhyZWFkU2FmZVJlZkNvdW50ZWQ8UGxhdGZvcm1DQUxheWVyPiB7 CitjbGFzcyBXRUJDT1JFX0VYUE9SVCBQbGF0Zm9ybUNBTGF5ZXIgOiBwdWJsaWMgVGhyZWFkU2Fm ZVJlZkNvdW50ZWQ8UGxhdGZvcm1DQUxheWVyLCBXVEY6OkRlc3RydWN0aW9uVGhyZWFkOjpNYWlu PiB7CiAjaWYgUExBVEZPUk0oQ09DT0EpCiAgICAgZnJpZW5kIGNsYXNzIFBsYXRmb3JtQ0FMYXll ckNvY29hOwogI2VsaWYgUExBVEZPUk0oV0lOKQo=