Bug 164923

Summary:

Crashes in WebCore::ElementRuleCollector::matchHostPseudoClassRules

Product:

WebKit

Reporter:

Dieter Komendera <dieter>

Component:

WebCore Misc.

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED DUPLICATE

Severity:

Normal

CC:

aroben, koivisto

Priority:

Keywords:

InRadar

Version:

Safari Technology Preview

Hardware:

Mac

OS:

macOS 10.12

Attachments:

Description	Flags
crash log	none

Dieter Komendera

Reported 2016-11-18 06:22:49 PST

Created attachment 295144 [details] crash log I get a lot of those crashes when interacting with Issues and Pull Requests on Github.com Actions on GitHub issues I often, but not always, get this crash: * assign an issue or pull request to one or multiple collaborators * assign tags to an issue or pull request * add a comment to an issue or pull request I think these crashes started to happen with Safari Technology Preview Release 16. The still happens with Release 18 (Safari 10.1, WebKit 12603.1.12) on macOS 10.12.1 (16B2555) Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x000000010a6956b0 WebCore::ElementRuleCollector::matchHostPseudoClassRules(WebCore::MatchRequest&, WebCore::StyleResolver::RuleRange&) + 240 1 com.apple.WebCore 0x000000010a17f062 WebCore::ElementRuleCollector::matchAuthorRules(bool) + 194 2 com.apple.WebCore 0x000000010a17ede2 WebCore::ElementRuleCollector::matchAllRules(bool, bool) + 626 3 com.apple.WebCore 0x000000010b1a5004 WebCore::StyleResolver::styleForElement(WebCore::Element const&, WebCore::RenderStyle const*, WebCore::RuleMatchingBehavior, WebCore::RenderRegion const*, WebCore::SelectorFilter const*) + 932 4 com.apple.WebCore 0x000000010a68caf0 WebCore::Element::resolveStyle(WebCore::RenderStyle const*) + 96 5 com.apple.WebCore 0x000000010a60d297 WebCore::Document::styleForElementIgnoringPendingStylesheets(WebCore::Element&, WebCore::RenderStyle const*) + 71 6 com.apple.WebCore 0x000000010a690f58 WebCore::Element::resolveComputedStyle() + 696 7 com.apple.WebCore 0x000000010a1ca9a2 WebCore::Element::computedStyle(WebCore::PseudoId) + 194

Attachments
crash log (96.76 KB, text/plain) 2016-11-18 06:22 PST, Dieter Komendera	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Alexey Proskuryakov

Comment 1 2016-11-18 15:52:49 PST

rdar://problem/28990966

Antti Koivisto

Comment 2 2016-11-23 06:33:54 PST

*** This bug has been marked as a duplicate of bug 165030 ***

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