[Webkit-unassigned] [Bug 180254] New: Layout test compositing/overflow/do-not-paint-outline-into-composited-scrolling-contents.html crashed.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Dec 1 09:41:40 PST 2017


https://bugs.webkit.org/show_bug.cgi?id=180254

            Bug ID: 180254
           Summary: Layout test
                    compositing/overflow/do-not-paint-outline-into-composi
                    ted-scrolling-contents.html crashed.
           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: jlewis3 at apple.com
                CC: sabouhallawa at apple.com, simon.fraser at apple.com,
                    thorton at apple.com

Created attachment 328107

  --> https://bugs.webkit.org/attachment.cgi?id=328107&action=review

Crash Log

compositing/overflow/do-not-paint-outline-into-composited-scrolling-contents.html crashed on High Sierra Debug.

https://build.webkit.org/results/Apple%20High%20Sierra%20Debug%20WK2%20(Tests)/r225389%20(1063)/results.html
https://build.webkit.org/builders/Apple%20High%20Sierra%20Debug%20WK2%20(Tests)/builds/1063

While there is not a consistent flake on the flakiness dashboard, this has been seen before.

stderr:

LEAK: 1 WebPage
LEAK: 1 WebFrame
LEAK: 2 CachedResource
LEAK: 84 WebCoreNode
SHOULD NEVER BE REACHED
/Volumes/Data/slave/highsierra-debug/build/Source/WebKit/Platform/IPC/mac/ConnectionMac.mm(468) : mach_msg_header_t *IPC::readFromMachPort(mach_port_t, ReceiveBuffer &)
1   0x10a3db17d WTFCrash
2   0x10d37a0e0 IPC::readFromMachPort(unsigned int, WTF::Vector<char, 4164ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&)
3   0x10d3789df IPC::Connection::receiveSourceEventHandler()
4   0x10d376a9d IPC::Connection::open()::$_0::operator()() const
5   0x10d376a79 invocation function for block in IPC::Connection::open()
6   0x7fff58498d50 _dispatch_client_callout
7   0x7fff584abe76 _dispatch_continuation_pop
8   0x7fff5849b018 _dispatch_source_invoke
9   0x7fff584ad06f _dispatch_queue_serial_drain
10  0x7fff584a00fd _dispatch_queue_invoke
11  0x7fff584adf02 _dispatch_root_queue_drain_deferred_wlh
12  0x7fff584b1d16 _dispatch_workloop_worker_thread
13  0x7fff5875d033 _pthread_wqthread
14  0x7fff5875cc4d start_wqthread

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