Bug 300279 – Crash in WebProcessCache::evictAtRandomIfNeeded()

• Status: RESOLVED
• Resolution: FIXED
• Component: New Bugs

[Ryosuke Niwa]

e.g.
Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   WebKit                        	       0x3039834c0 WTF::Ref<WebKit::WebProcessCache::CachedProcess, WTF::RawPtrTraits<WebKit::WebProcessCache::CachedProcess>, WTF::DefaultRefDerefTraits<WebKit::WebProcessCache::CachedProcess>>::operator->() const + 36 (Ref.h:135)
1   WebKit                        	       0x3039838e0 WebKit::WebProcessCache::evictAtRandomIfNeeded() + 236 (WebProcessCache.cpp:196)
2   WebKit                        	       0x303983318 WebKit::WebProcessCache::addProcess(WTF::Ref<WebKit::WebProcessCache::CachedProcess, WTF::RawPtrTraits<WebKit::WebProcessCache::CachedProcess>, WTF::DefaultRefDerefTraits<WebKit::WebProcessCache::CachedProcess>>&&) + 1792 (WebProcessCache.cpp:182)
3   WebKit                        	       0x3039e83f4 WebKit::WebProcessCache::addProcessIfPossible(WTF::Ref<WebKit::WebProcessProxy, WTF::RawPtrTraits<WebKit::WebProcessProxy>, WTF::DefaultRefDerefTraits<WebKit::WebProcessProxy>>&&)::$_0::operator()(bool) const + 288 (WebProcessCache.cpp:141)
4   WebKit                        	       0x3039e806c WTF::Detail::CallableWrapper<WebKit::WebProcessCache::addProcessIfPossible(WTF::Ref<WebKit::WebProcessProxy, WTF::RawPtrTraits<WebKit::WebProcessProxy>, WTF::DefaultRefDerefTraits<WebKit::WebProcessProxy>>&&)::$_0, void, bool>::call(bool) + 44 (Function.h:53)
5   WebKit                        	       0x30010f8e8 WTF::Function<void (bool)>::operator()(bool) const + 196 (Function.h:82)
6   WebKit                        	       0x3000fb398 WTF::CompletionHandler<void (bool)>::operator()(bool) + 160 (CompletionHandler.h:79)
7   WebKit                        	       0x303a44160 WebKit::WebProcessProxy::isResponsive(WTF::CompletionHandler<void (bool)>&&)::$_1::operator()() + 192 (WebProcessProxy.cpp:2013)
8   WebKit                        	       0x303a44000 WTF::Detail::CallableWrapper<WebKit::WebProcessProxy::isResponsive(WTF::CompletionHandler<void (bool)>&&)::$_1, void>::call() + 32 (Function.h:53)
9   WebKit                        	       0x30005c444 WTF::Function<void ()>::operator()() const + 184 (Function.h:82)
10  WebKit                        	       0x3000deafc WTF::CompletionHandler<void ()>::operator()() + 148 (CompletionHandler.h:79)
11  WebKit                        	       0x30361fde4 WebKit::AuxiliaryProcessProxy::checkForResponsiveness(WTF::CompletionHandler<void ()>&&, WebKit::AuxiliaryProcessProxy::UseLazyStop)::$_0::operator()()::'lambda'()::operator()() + 120 (AuxiliaryProcessProxy.cpp:547)

<rdar://162049943>

[Ryosuke Niwa]

Pull request: https://github.com/WebKit/WebKit/pull/51905

[EWS]

Committed 301117@main (cd134386b5e8): <https://commits.webkit.org/301117@main>

Reviewed commits have been landed. Closing PR #51905 and removing active labels.

[Ryosuke Niwa]

Re-opening for pull request https://github.com/WebKit/WebKit/pull/51951

[EWS]

Committed 301151@main (4701660cf0ad): <https://commits.webkit.org/301151@main>

Reviewed commits have been landed. Closing PR #51951 and removing active labels.