Bug 180254 - Layout test compositing/overflow/do-not-paint-outline-into-composited-scrolling-contents.html crashed.
Summary: Layout test compositing/overflow/do-not-paint-outline-into-composited-scrolli...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2017-12-01 09:41 PST by Matt Lewis
Modified: 2017-12-01 09:42 PST (History)
4 users (show)

See Also:


Attachments
Crash Log (68.33 KB, text/plain)
2017-12-01 09:41 PST, Matt Lewis
no flags Details

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Description Matt Lewis 2017-12-01 09:41:40 PST
Created attachment 328107 [details]
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
Comment 1 Radar WebKit Bug Importer 2017-12-01 09:42:33 PST
<rdar://problem/35798359>