[Webkit-unassigned] [Bug 157917] New: REGRESSION(201098) GuardMalloc / ASan crashes in WebCore::IDBServer::UniqueIDBDatabase::executeNextDatabaseTaskReply

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=157917

            Bug ID: 157917
           Summary: REGRESSION(201098) GuardMalloc / ASan crashes in
                    WebCore::IDBServer::UniqueIDBDatabase::executeNextData
                    baseTaskReply
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

Started with <http://trac.webkit.org/changeset/201098>

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x000000010feb513c WebCore::IDBServer::UniqueIDBDatabase::executeNextDatabaseTaskReply() + 44
1   com.apple.WebCore                 0x000000010f56e05a WebCore::IDBServer::IDBServer::handleTaskRepliesOnMainThread() + 106
2   com.apple.JavaScriptCore          0x000000010e043fc7 WTF::dispatchFunctionsFromMainThread() + 519
3   com.apple.Foundation              0x00007fff90c0efde __NSThreadPerformPerform + 279
4   com.apple.CoreFoundation          0x00007fff894d7881 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
5   com.apple.CoreFoundation          0x00007fff894b6fbc __CFRunLoopDoSources0 + 556
6   com.apple.CoreFoundation          0x00007fff894b64df __CFRunLoopRun + 927
7   com.apple.CoreFoundation          0x00007fff894b5ed8 CFRunLoopRunSpecific + 296
8   com.apple.HIToolbox               0x00007fff8f6e1935 RunCurrentEventLoopInMode + 235
9   com.apple.HIToolbox               0x00007fff8f6e176f ReceiveNextEventCommon + 432
10  com.apple.HIToolbox               0x00007fff8f6e15af _BlockUntilNextEventMatchingListInModeWithFilter + 71
11  com.apple.AppKit                  0x00007fff973b9efa _DPSNextEvent + 1067
12  com.apple.AppKit                  0x00007fff973b932a -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
13  com.apple.AppKit                  0x00007fff973ade84 -[NSApplication run] + 682
14  com.apple.AppKit                  0x00007fff9737746c NSApplicationMain + 1176
15  libxpc.dylib                      0x00007fff90afa194 _xpc_objc_main + 795
16  libxpc.dylib                      0x00007fff90af8bbe xpc_main + 494
17  com.apple.WebKit.WebContent       0x000000010d6747df 0x10d673000 + 6111
18  libdyld.dylib                     0x00007fff82be85ad start + 1

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