[Webkit-unassigned] [Bug 138961] crash in CAAnimation dealloc (CA::release_objects X::List)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=138961

seb <sydneyitguy at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sydneyitguy at gmail.com

--- Comment #13 from seb <sydneyitguy at gmail.com> ---
Found this crash on iOS 9.2.1

Crashed: WebThread
EXC_BAD_ACCESS KERN_INVALID_ADDRESS 0x0000000000000010

Thread : Crashed: WebThread
0  libobjc.A.dylib                0x18298dbd0 objc_msgSend + 16
1  UIKit                          0x18847cc6c -[UIWebView webView:resource:canAuthenticateAgainstProtectionSpace:forDataSource:] + 92
2  WebKitLegacy                   0x187d3991c <redacted> + 76
3  WebKitLegacy                   0x187d1dfd0 <redacted> + 184
4  WebCore                        0x186e81004 <redacted> + 72
5  WebCore                        0x1879037ac <redacted> + 120
6  WebCore                        0x187a9f500 <redacted> + 64
7  CFNetwork                      0x1838e9bf8 ___ZN27URLConnectionClient_Classic51_delegate_willSendRequestForAuthenticationChallengeEP19_CFURLAuthChallenge_block_invoke + 372
8  CFNetwork                      0x1839d0e7c ___ZN27URLConnectionClient_Classic18_withDelegateAsyncEPKcU13block_pointerFvP16_CFURLConnectionPK33CFURLConnectionClientCurrent_VMaxE_block_invoke_2 + 108
9  libdispatch.dylib              0x182d615f0 _dispatch_client_callout + 16
10 libdispatch.dylib              0x182d6a92c _dispatch_block_invoke + 540
11 CFNetwork                      0x1838cfa88 RunloopBlockContext::_invoke_block(void const*, void*) + 36
12 CoreFoundation                 0x1831f10ac CFArrayApplyFunction + 68
13 CFNetwork                      0x1838cf96c RunloopBlockContext::perform() + 136
14 CFNetwork                      0x1838cf82c MultiplexerSource::perform() + 312
15 CFNetwork                      0x1838cf658 MultiplexerSource::_perform(void*) + 68
16 CoreFoundation                 0x1832c4efc __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
17 CoreFoundation                 0x1832c4990 __CFRunLoopDoSources0 + 540
18 CoreFoundation                 0x1832c2690 __CFRunLoopRun + 724
19 CoreFoundation                 0x1831f1680 CFRunLoopRunSpecific + 384
20 WebCore                        0x186da1998 <redacted> + 456
21 libsystem_pthread.dylib        0x182f77b28 <redacted> + 156
22 libsystem_pthread.dylib        0x182f77a8c _pthread_start + 154
23 libsystem_pthread.dylib        0x182f75028 thread_start + 4

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