138749 2014-11-14 11:36:24 -0800 Crash under WebCore::TimerBase::heapDeleteMin() 2014-11-30 14:25:42 -0800 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) iPhone / iPad iOS 8.1 RESOLVED DUPLICATE 137009 InRadar P2 Major --- 1 stuartmorgan webkit-unassigned ap oldest_to_newest 1048810 0 stuartmorgan 2014-11-14 11:36:24 -0800 A significant number of UIWebView crashes in Chrome for iOS look like this: Thread 18 CRASHED [EXC_BAD_ACCESS / KERN_INVALID_ADDRESS @ 0x10000000000000000] MAGIC SIGNATURE THREAD 0x00000001936dd1b0 [WebCore + 0x000291b0 ] void std::__1::__push_heap_front<WebCore::TimerHeapLessThanFunction&, WebCore::TimerHeapIterator>(WebCore::TimerHeapIterator, WebCore::TimerHeapIterator, WebCore::TimerHeapLessThanFunction&, std::__1::iterator_traits<WebCore::TimerHeapIterator>::difference_type) 0x00000001936dd0c4 [WebCore + 0x000290c4 ] WebCore::TimerBase::heapDeleteMin() 0x00000001936dcf50 [WebCore + 0x00028f50 ] WebCore::ThreadTimers::sharedTimerFiredInternal() 0x00000001936dcec0 [WebCore + 0x00028ec0 ] WebCore::timerFired(__CFRunLoopTimer*, void*) 0x0000000185c91fd0 [CoreFoundation + 0x000ddfd0 ] __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ 0x0000000185c91c80 [CoreFoundation + 0x000ddc80 ] __CFRunLoopDoTimer 0x0000000185c8f6cc [CoreFoundation + 0x000db6cc ] __CFRunLoopRun 0x0000000185bbd1f0 [CoreFoundation + 0x000091f0 ] CFRunLoopRunSpecific 0x0000000193763fe8 [WebCore + 0x000affe8 ] RunWebThread(void*) 0x0000000196befe7c [libsystem_pthread.dylib + 0x00003e7c ] _pthread_body 0x0000000196befdd8 [libsystem_pthread.dylib + 0x00003dd8 ] _pthread_start 0x0000000196becfac [libsystem_pthread.dylib + 0x00000fac ] thread_start Unfortunately these are coming from automated reports, and we don't have repro steps. Is there any information we could gather from aggregated reports that could help pinpoint this? Note that this is also filed as rdar//16068939 1049883 1 ap 2014-11-19 13:09:36 -0800 Please let us know once you have crash data from iOS 8.1.1. Bug 137009 may have addressed a portion of these crashes (or even all of them, if we are lucky). 1049948 2 stuartmorgan 2014-11-19 15:43:40 -0800 We don't have much data yet, but so far none of our 8.1.1 crashes seem to have heapDeleteMin, which is a good sign. I'll update at the beginning of next week when we've had time to collect more data. 1050483 3 stuartmorgan 2014-11-21 10:07:51 -0800 Still 0 hits on anything with WebCore::TimerBase::heapDeleteMin in the stack for 8.1.1; I think we have enough data that we can call this fixed. Thanks! 1051364 4 ap 2014-11-30 14:25:42 -0800 Great! I'll call this a duplicate of bug 137009 then. *** This bug has been marked as a duplicate of bug 137009 ***