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<base href="https://bugs.webkit.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - com.apple.WebKit.Networking crash at -[WebCoreAuthenticationClientAsChallengeSender performDefaultHandlingForAuthenticationChallenge:]: unrecognized selector sent to instance"
href="https://bugs.webkit.org/show_bug.cgi?id=156947">156947</a>
</td>
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<tr>
<th>Summary</th>
<td>com.apple.WebKit.Networking crash at -[WebCoreAuthenticationClientAsChallengeSender performDefaultHandlingForAuthenticationChallenge:]: unrecognized selector sent to instance
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>Page Loading
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ddkilzer@webkit.org
</td>
</tr>
<tr>
<th>CC</th>
<td>achristensen@apple.com, ap@webkit.org, beidson@apple.com
</td>
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<pre>com.apple.WebKit.Networking crashes at -[WebCoreAuthenticationClientAsChallengeSender performDefaultHandlingForAuthenticationChallenge:] due to an unrecognized selector sent to instance:
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Application Specific Information:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[WebCoreAuthenticationClientAsChallengeSender performDefaultHandlingForAuthenticationChallenge:]: unrecognized selector sent to instance 0x7fbe4ba2c100'
abort() called
terminating with uncaught exception of type NSException
Application Specific Backtrace 1:
0 CoreFoundation 0x00007fff81124e32 __exceptionPreprocess + 178
1 libobjc.A.dylib 0x00007fff8a34f4fa objc_exception_throw + 48
2 CoreFoundation 0x00007fff8118e34d -[NSObject(NSObject) doesNotRecognizeSelector:] + 205
3 CoreFoundation 0x00007fff81095472 ___forwarding___ + 514
4 CoreFoundation 0x00007fff810951e8 _CF_forwarding_prep_0 + 120
5 WebKit 0x00007fff8bf08490 _ZN6WebKit21AuthenticationManager40performDefaultHandlingForSingleChallengeEy + 104
6 WebKit 0x00007fff8bf083d9 _ZN6WebKit21AuthenticationManager22performDefaultHandlingEy + 73
7 WebKit 0x00007fff8bf098ca _ZN6WebKit21AuthenticationManager17didReceiveMessageERN3IPC10ConnectionERNS1_14MessageDecoderE + 196
8 WebKit 0x00007fff8bf44b61 _ZN3IPC18MessageReceiverMap15dispatchMessageERNS_10ConnectionERNS_14MessageDecoderE + 113
9 WebKit 0x00007fff8bf69216 _ZN6WebKit14NetworkProcess17didReceiveMessageERN3IPC10ConnectionERNS1_14MessageDecoderE + 28
10 WebKit 0x00007fff8bf0c602 _ZN3IPC10Connection15dispatchMessageENSt3__110unique_ptrINS_14MessageDecoderENS1_14default_deleteIS3_EEEE + 102
11 WebKit 0x00007fff8bf0eb2e _ZN3IPC10Connection18dispatchOneMessageEv + 114
12 JavaScriptCore 0x00007fff92100d85 _ZN3WTF7RunLoop11performWorkEv + 437
13 JavaScriptCore 0x00007fff92101462 _ZN3WTF7RunLoop11performWorkEPv + 34
14 CoreFoundation 0x00007fff810ba8b1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
15 CoreFoundation 0x00007fff8109a0ac __CFRunLoopDoSources0 + 556
16 CoreFoundation 0x00007fff810995cf __CFRunLoopRun + 927
17 CoreFoundation 0x00007fff81098fc8 CFRunLoopRunSpecific + 296
18 Foundation 0x00007fff86bcdf59 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 270
19 Foundation 0x00007fff86bcde38 -[NSRunLoop(NSRunLoop) run] + 74
20 libxpc.dylib 0x00007fff8412a4c8 _xpc_objc_main + 751
21 libxpc.dylib 0x00007fff84128f1e xpc_main + 494
22 com.apple.WebKit.Networking 0x10df6db4a main + 16 (Shared/EntryPointUtilities/mac/XPCService/XPCServiceMain.mm:89)
23 libdyld.dylib 0x00007fff94b305ad start + 1
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff884c60ae __pthread_kill + 10
1 libsystem_pthread.dylib 0x00007fff90a9a500 pthread_kill + 90
2 libsystem_c.dylib 0x00007fff8723137b abort + 129
3 libc++abi.dylib 0x00007fff900baf81 abort_message + 257
4 libc++abi.dylib 0x00007fff900e0a47 default_terminate_handler() + 267
5 libobjc.A.dylib 0x00007fff8a35115e _objc_terminate() + 103
6 libc++abi.dylib 0x00007fff900de19e std::__terminate(void (*)()) + 8
7 libc++abi.dylib 0x00007fff900dde27 __cxa_rethrow + 99
8 libobjc.A.dylib 0x00007fff8a34f998 objc_exception_rethrow + 40
9 com.apple.CoreFoundation 0x00007fff8109905b CFRunLoopRunSpecific + 443
10 com.apple.Foundation 0x00007fff86bcdf59 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 270
11 com.apple.Foundation 0x00007fff86bcde38 -[NSRunLoop(NSRunLoop) run] + 74
12 libxpc.dylib 0x00007fff8412a4c8 _xpc_objc_main + 751
13 libxpc.dylib 0x00007fff84128f1e xpc_main + 494
14 com.apple.WebKit.Networking 0x10df6db4a main + 16 (Shared/EntryPointUtilities/mac/XPCService/XPCServiceMain.mm:89)
15 libdyld.dylib 0x00007fff94b305ad start + 1</pre>
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