[Webkit-unassigned] [Bug 180639] New: [iOS 11.2] App got crashed due to exception in UIKit

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=180639

            Bug ID: 180639
           Summary: [iOS 11.2] App got crashed due to exception in UIKit
           Product: WebKit
           Version: Other
          Hardware: iPhone / iPad
                OS: iOS 11
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: saurabh.dwivedi at motorolasolutions.com

Created attachment 328950

  --> https://bugs.webkit.org/attachment.cgi?id=328950&action=review

Crash dump and sysdiagnose File attached

App got crashed randomly due to exception in UIKit
Exception Stack Trace:
Incident Identifier: 28F21440-861E-4475-A17B-3D4CB6CF056E
Beta Identifier:     3A2B1BB1-1AD2-4B55-B5C2-0C481BA7CC5B
Hardware Model:      iPhone8,1
Process:             AT&T EPTT [838]
Path:                /private/var/containers/Bundle/Application/D86A89C1-A792-4EEE-8EE5-FC99E7636AB2/AT&T EPTT.app/AT&T EPTT
Identifier:          com.kodiak.attptx
Version:             8.3.0.23 (7.2.3)
Beta:                YES
Code Type:           ARM-64 (Native)
Role:                Foreground
Parent Process:      launchd [1]
Coalition:           com.kodiak.attptx [632]


Date/Time:           2017-12-07 12:25:57.9162 +0530
Launch Time:         2017-12-07 11:55:39.9547 +0530
OS Version:          iPhone OS 11.2 (15C114)
Baseband Version:    4.30.02
Report Version:      104

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note:  EXC_CORPSE_NOTIFY
Triggered by Thread:  3

Application Specific Information:
abort() called

Last Exception Backtrace:
0   CoreFoundation                      0x18199e364 __exceptionPreprocess + 124
1   libobjc.A.dylib                     0x180be4528 objc_exception_throw + 55
2   CoreFoundation                      0x18199d9f0 __NSFastEnumerationMutationHandler + 127
3   UIKit                               0x18ae76c04 -[UIView+ 27652 (Hierarchy) subviews] + 343
4   UIKit                               0x18b16a200 -[UIView+ 3121664 (CALayerDelegate) _wantsReapplicationOfAutoLayoutWithLayoutDirtyOnEntry:] + 71
5   UIKit                               0x18ae7cf48 -[UIView+ 53064 (CALayerDelegate) layoutSublayersOfLayer:] + 1347
6   QuartzCore                          0x1859e1998 -[CALayer layoutSublayers] + 183
7   QuartzCore                          0x1859e5b20 CA::Layer::layout_if_needed+ 1207072 (CA::Transaction*) + 331
8   QuartzCore                          0x18595236c CA::Context::commit_transaction+ 602988 (CA::Transaction*) + 335
9   QuartzCore                          0x185979b90 CA::Transaction::commit+ 764816 () + 539
10  QuartzCore                          0x18597a9d0 CA::Transaction::observer_callback+ 768464 (__CFRunLoopObserver*, unsigned long, void*) + 91
11  CoreFoundation                      0x181945edc __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 31
12  CoreFoundation                      0x181943894 __CFRunLoopDoObservers + 411
13  CoreFoundation                      0x181863e78 CFRunLoopRunSpecific + 467
14  WebCore                             0x1897712c8 RunWebThread+ 266952 (void*) + 559
15  libsystem_pthread.dylib             0x1815c42b4 _pthread_body + 307
16  libsystem_pthread.dylib             0x1815c4180 _pthread_start + 311
17  libsystem_pthread.dylib             0x1815c2b74 thread_start + 3

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