[Webkit-unassigned] [Bug 176216] New: [iOS 11 beta 1] AsanCheckFailed while running app in sanitizer in WebThread

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=176216

            Bug ID: 176216
           Summary: [iOS 11 beta 1] AsanCheckFailed while running app in
                    sanitizer in WebThread
           Product: WebKit
           Version: Other
          Hardware: iPhone / iPad
                OS: Unspecified
            Status: NEW
          Severity: Major
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dsaurabh at kodiakptt.com
                CC: lforschler at apple.com

Created attachment 319589

  --> https://bugs.webkit.org/attachment.cgi?id=319589&action=review

Sanitizer logs for AsanCheckFailed and xcode screen shot

We have observed two Crashes while running app with sanitizer enabled.

>From logs:  AsanDie happened after AsanCheckFailed 

  * frame #0: 0x0000000104bcb35c libclang_rt.asan_ios_dynamic.dylib`__asan::AsanDie()\
    frame #1: 0x0000000104bdf0b4 libclang_rt.asan_ios_dynamic.dylib`__sanitizer::Die() + 92\
    frame #2: 0x0000000104bcb540 libclang_rt.asan_ios_dynamic.dylib`__asan::AsanCheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) + 260\
    frame #3: 0x0000000104bdf158 libclang_rt.asan_ios_dynamic.dylib`__sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) + 120\
    frame #4: 0x0000000104bc4ac0 libclang_rt.asan_ios_dynamic.dylib`__asan::PoisonShadow(unsigned long, unsigned long, unsigned char) + 584\
    frame #5: 0x0000000104b80914 

Device: iPhone 6s Plus
iOS Version: ios 9 beta 1

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