Created attachment 319583 [details] Crash dump File attached Summary: Crash is observed randomly in Web thread. Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x00000001ffffffff Termination Signal: Segmentation fault: 11 Termination Reason: Namespace SIGNAL, Code 0xb Terminating Process: exc handler [0] Triggered by Thread: 4 Thread 4 name: WebThread Steps to Reproduce: Issue is random Expected Results: App should not crash Actual Results: App got crashed Version/Build: 1. OS Version: iPhone OS 10.3.3 (14G60) Hardware Model: iPhone7,1 2. OS Version: iPhone OS 10.3.2 (14F89) Hardware Model: iPhone7,1 3. Hardware Model: iPhone9,4 OS Version: iPhone OS 10.3.3 (14G60) Configuration:
Thread 5 name: WebThread Thread 5 Crashed: 0 CoreFoundation 0x000000018ac63234 CFRelease + 12 1 ImageIO 0x000000018ca391f8 IIOImagePlus::~IIOImagePlus() + 192 2 ImageIO 0x000000018ca3922c IIOImagePlus::~IIOImagePlus() + 20 3 ImageIO 0x000000018ca38b70 _CGImagePlusFinalize(void const*) + 184 4 CoreFoundation 0x000000018ad3ac28 _CFRelease + 216 5 CoreFoundation 0x000000018ad7a9ac common_removeAllObjects + 156 6 CoreFoundation 0x000000018ac6e9f0 -[__NSArrayM dealloc] + 28 7 ImageIO 0x000000018ca122c8 IIOImageSource::~IIOImageSource() + 156 8 ImageIO 0x000000018ca12390 IIOImageSource::~IIOImageSource() + 20 9 ImageIO 0x000000018ca165c0 _CGImageSourceFinalize(void const*) + 72 10 CoreFoundation 0x000000018ad3ac28 _CFRelease + 216 11 WebCore 0x000000018ff032f4 WebCore::ImageFrameCache::setDecoder(WebCore::ImageDecoder*) + 120 12 WebCore 0x000000018ff08854 WebCore::ImageSource::clear(WebCore::SharedBuffer*) + 92 13 WebCore 0x000000018f9d30d8 WebCore::BitmapImage::destroyDecodedData(bool) + 172 14 WebCore 0x00000001904752ac WebCore::MemoryCache::pruneLiveResourcesToSize(unsigned int, bool) + 252 15 WebCore 0x000000018f906e00 WebCore::ThreadTimers::sharedTimerFiredInternal() + 172
I understand that this issue is random, but is it possible to reproduce at all?