Bug 165817

Summary: REGRESSION: Crash in com.apple.WebKit:IPC::Connection::platformCanSendOutgoingMessages() const + 0
Product: WebKit Reporter: Ryan Haddad <ryanhaddad>
Component: New BugsAssignee: Anders Carlsson <andersca>
Status: RESOLVED FIXED    
Severity: Normal CC: andersca, ap, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Crash log
none
Patch mitz: review+

Ryan Haddad
Reported 2016-12-13 12:34:08 PST
Created attachment 297035 [details] Crash log Crash in com.apple.WebKit:IPC::Connection::platformCanSendOutgoingMessages() const + 0 Thread 1 Crashed:: Dispatch queue: com.apple.IPC.ReceiveQueue 0 com.apple.WebKit 0x0000000108ebc32c IPC::Connection::platformCanSendOutgoingMessages() const + 0 (ConnectionMac.mm:290) 1 ??? 0x0000000100000000 0 + 4294967296 2 com.apple.WebKit 0x0000000108ebc4c7 IPC::Connection::sendOutgoingMessage(std::__1::unique_ptr<IPC::Encoder, std::__1::default_delete<IPC::Encoder> >) + 393 (ConnectionMac.mm:379) 3 com.apple.WebKit 0x0000000108eb8340 IPC::Connection::sendOutgoingMessages() + 82 (Connection.cpp:825) 4 libdispatch.dylib 0x00007fff8770293d _dispatch_call_block_and_release + 12 5 libdispatch.dylib 0x00007fff876f740b _dispatch_client_callout + 8 6 libdispatch.dylib 0x00007fff876fc03b _dispatch_queue_drain + 754 7 libdispatch.dylib 0x00007fff87702707 _dispatch_queue_invoke + 549 8 libdispatch.dylib 0x00007fff876fad53 _dispatch_root_queue_drain + 538 9 libdispatch.dylib 0x00007fff876fab00 _dispatch_worker_thread3 + 91 10 libsystem_pthread.dylib 0x00007fff8c31f4de _pthread_wqthread + 1129 11 libsystem_pthread.dylib 0x00007fff8c31d341 start_wqthread + 13 https://build.webkit.org/results/Apple%20El%20Capitan%20Release%20WK2%20(Tests)/r209759%20(11768)/results.html
Attachments
Crash log (66.11 KB, text/plain)
2016-12-13 12:34 PST, Ryan Haddad 		no flags
Details
Patch (2.00 KB, patch)
2016-12-19 12:40 PST, Anders Carlsson 		mitz: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Ryan Haddad
Comment 1 2016-12-13 12:36:55 PST
<rdar://problem/29626731>
Ryan Haddad
Comment 2 2016-12-15 16:35:20 PST
Application Specific Information: Unhandled error code 1000000a, message 'WebInspectorProxy:CreateInspectorPage:' CRASHING TEST: /xmlhttprequest/access-control-repeated-failed-preflight-crash.html https://build.webkit.org/results/Apple%20El%20Capitan%20Release%20WK2%20(Tests)/r209881%20(11850)/http/tests/xmlhttprequest/access-control-repeated-failed-preflight-crash-crash-log.txt
Anders Carlsson
Comment 3 2016-12-19 12:40:25 PST
Created attachment 297474 [details] Patch
Anders Carlsson
Comment 4 2016-12-19 13:28:03 PST
Committed r209995: <http://trac.webkit.org/changeset/209995>
Darin Adler
Comment 5 2016-12-22 09:24:11 PST
Comment on attachment 297474 [details] Patch Any way to cover this with a regression test?
Anders Carlsson
Comment 6 2016-12-22 10:22:52 PST
(In reply to comment #5) > Comment on attachment 297474 [details] > Patch > > Any way to cover this with a regression test? Not easily - it was timing dependent (and relied on rescheduling the message because the mach queue was full).
Alexey Proskuryakov
Comment 7 2016-12-22 10:33:11 PST
Existing regression tests were hitting this somewhat frequently (which is how we learned about the issue).
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