[Webkit-unassigned] [Bug 164327] New: WTF::AutomaticThread crashes on certain sites

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=164327

            Bug ID: 164327
           Summary: WTF::AutomaticThread crashes on certain sites
    Classification: Unclassified
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Macintosh
                OS: macOS 10.12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dieter at komendera.com

Created attachment 293671
  --> https://bugs.webkit.org/attachment.cgi?id=293671&action=review
crash log

URL: https://travis-ci.org/rails/rails/jobs/172644765

macOS 10.12.1 (16B2555)
STP Release 16 (Safari 10.1, WebKit 12603.1.10)

Steps to reproduce:
* go to the URL above


Crashed Thread:        11  WTF::AutomaticThread
Thread 11 Crashed:: WTF::AutomaticThread
0   com.apple.JavaScriptCore          0x00000001030fa08c JSC::DFG::ByteCodeParser::getPredictionWithoutOSRExit(unsigned int) + 620
1   com.apple.JavaScriptCore          0x00000001030ecdeb JSC::DFG::ByteCodeParser::handleCall(int, JSC::DFG::NodeType, JSC::CallMode, unsigned int, JSC::DFG::Node*, int, int, JSC::CallLinkStatus) + 379
2   com.apple.JavaScriptCore          0x00000001030ec56d JSC::DFG::ByteCodeParser::handleCall(int, JSC::DFG::NodeType, JSC::CallMode, unsigned int, int, int, int) + 429
3   com.apple.JavaScriptCore          0x0000000102d7acca JSC::DFG::ByteCodeParser::parseBlock(unsigned int) + 6698
4   com.apple.JavaScriptCore          0x0000000102d7902b JSC::DFG::ByteCodeParser::parseCodeBlock() + 1243
5   com.apple.JavaScriptCore          0x000000010310090a void

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.webkit.org/pipermail/webkit-unassigned/attachments/20161102/0579a689/attachment.html>