220948 2021-01-25 14:31:15 -0800 ASSERT NOT REACHED in WebCore::DisplayList::isDrawingItem 2021-01-25 17:30:12 -0800 1 1 1 Unclassified WebKit WebCore Misc. WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=220867 InRadar P2 Normal --- 1 ryanhaddad wenson_hsieh thorton webkit-bot-watchers-bugzilla webkit-bug-importer wenson_hsieh oldest_to_newest 1722280 0 ryanhaddad 2021-01-25 14:31:15 -0800 The new test added with https://trac.webkit.org/changeset/271757/webkit is consistently failing a debug assertion: TestWebKitAPI.DisplayListTests.OutOfLineItemDecodingFailure SHOULD NEVER BE REACHED ./platform/graphics/displaylists/DisplayListItemType.cpp(240) : bool WebCore::DisplayList::isDrawingItem(WebCore::DisplayList::ItemType) 1 0x1084284a9 WTFCrash 2 0x12595f04b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x129ebfb94 WebCore::DisplayList::isDrawingItem(WebCore::DisplayList::ItemType) 4 0x129ea47fb WebCore::DisplayList::DisplayList::iterator::updateCurrentItem() 5 0x129ea4cbc WebCore::DisplayList::DisplayList::iterator::advance() 6 0x129ea08c5 WebCore::DisplayList::DisplayList::iterator::operator++() 7 0x129eba63a WebCore::DisplayList::Replayer::replay(WebCore::FloatRect const&, bool) 8 0x105c0d112 TestWebKitAPI::DisplayListTests_OutOfLineItemDecodingFailure_Test::TestBody() 9 0x106545284 void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) 10 0x1065134eb void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) 11 0x106513426 testing::Test::Run() 12 0x10651457a testing::TestInfo::Run() 13 0x1065153c4 testing::TestCase::Run() 14 0x106520a88 testing::internal::UnitTestImpl::RunAllTests() 15 0x10654a614 bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) 16 0x10652057b bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) 17 0x10652044d testing::UnitTest::Run() 18 0x1062be991 RUN_ALL_TESTS() 19 0x1062be922 TestWebKitAPI::TestsController::run(int, char**) 20 0x1064de0c5 main 21 0x7fff2038e621 start https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.DisplayListTests.OutOfLineItemDecodingFailure 1722282 1 webkit-bug-importer 2021-01-25 14:31:40 -0800 <rdar://problem/73588734> 1722307 2 418340 wenson_hsieh 2021-01-25 15:18:55 -0800 Created attachment 418340 Patch 1722308 3 418341 wenson_hsieh 2021-01-25 15:20:19 -0800 Created attachment 418341 Patch 1722357 4 ews-feeder 2021-01-25 17:30:10 -0800 Committed r271871: <https://trac.webkit.org/changeset/271871> All reviewed patches have been landed. Closing bug and clearing flags on attachment 418341. 418340 2021-01-25 15:18:55 -0800 2021-01-25 15:20:16 -0800 Patch bug-220948-20210125151852.patch text/plain 5178 wenson_hsieh U3VidmVyc2lvbiBSZXZpc2lvbjogMjcxODAwCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNDE1ZDg0YTJjNWM3Njkz YjZkYWU2ZmQ1MTdiN2M0NjRmZGY2ODY5Zi4uNDQ2ODJiMTlhMGM1MzI2ZDE5NmQ4NTk5ODhjMGU4 MmQ1NWI1ZDg2OCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDIwIEBACisyMDIxLTAxLTI1ICBXZW5z b24gSHNpZWggIDx3ZW5zb25faHNpZWhAYXBwbGUuY29tPgorCisgICAgICAgIEFTU0VSVCBOT1Qg UkVBQ0hFRCBpbiBXZWJDb3JlOjpEaXNwbGF5TGlzdDo6aXNEcmF3aW5nSXRlbQorICAgICAgICBo dHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjIwOTQ4CisgICAgICAgIDxy ZGFyOi8vcHJvYmxlbS83MzU4ODczND4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9P UFMhKS4KKworICAgICAgICBBZGRpdGlvbmFsbHksIGZpeCBhIGJ1ZyB0aGF0IGlzIGFsc28gY2F1 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