[Bug 1669185] [NEW] segfault in arrayConstructorIsArray when accessing certain website

[fabtagon]

Public bug reported:

When visiting saturn.de (major German electronics retailer), Konqueror
reproducibly dies in a segfault. Site doesn't get shown, no further user
interaction required.


Thread 1 "konqueror" received signal SIGSEGV, Segmentation fault.
JSC::arrayConstructorIsArray (exec=0x7fffbd901620) at /build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/JavaScriptCore/runtime/JSDestructibleObject.h:32
32	/build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/JavaScriptCore/runtime/JSDestructibleObject.h: No such file or directory.
(gdb) bt
#0  JSC::arrayConstructorIsArray (exec=0x7fffbd901620) at /build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/JavaScriptCore/runtime/JSDestructibleObject.h:32

Platform is Ubuntu 16.04.2 LTS with updates as of today.

** Affects: qtwebkit-source (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "backtrace"
   https://bugs.launchpad.net/bugs/1669185/+attachment/4829387/+files/webkit_backtrace.txt

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https://bugs.launchpad.net/bugs/1669185

Title:
  segfault in arrayConstructorIsArray when accessing certain website

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