[Webkit-unassigned] [Bug 125413] Can not handle combo boxes in Red Hat bugzilla

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Dec 8 15:47:26 PST 2013


https://bugs.webkit.org/show_bug.cgi?id=125413





--- Comment #3 from Debarshi Ray <rishi.is at lostca.se>  2013-12-08 15:45:42 PST ---
I have not tried master yet, but the situation appeas to be worse with 2.2.3 than it was with 2.2.2. With 2.2.2, it would start to misbehave when you actually tried to use the combo boxes after logging in, but now merely authenticating is enough to make it misbehave.

CPU stays stuck at 100%, memory consumption soars and it eventually crashes with:

(gdb) bt
#0  SpanToMallocResult (span=<optimized out>, span=<optimized out>) at Source/WTF/wtf/FastMalloc.cpp:4025
#1  do_malloc<true> (size=<optimized out>) at Source/WTF/wtf/FastMalloc.cpp:4054
#2  fastMalloc<true> (size=<optimized out>) at Source/WTF/wtf/FastMalloc.cpp:4280
#3  WTF::fastMalloc (size=<optimized out>) at Source/WTF/wtf/FastMalloc.cpp:4243
#4  0x00007ffff62952c0 in allocateBuffer (newCapacity=<optimized out>, this=<error reading variable: Cannot access memory at address 0x7fffffffd198>)
    at Source/WTF/wtf/Vector.h:259
#5  reserveCapacity (newCapacity=<optimized out>, this=<error reading variable: Cannot access memory at address 0x7fffffffd198>)
    at Source/WTF/wtf/Vector.h:944
#6  expandCapacity (newMinCapacity=<error reading variable: Cannot access memory at address 0x7fffffffd1b0>, 
    this=<error reading variable: Cannot access memory at address 0x7fffffffd198>) at Source/WTF/wtf/Vector.h:854
#7  expandCapacity<WebCore::AccessibilityMenuListOption* const> (ptr=<error reading variable: Cannot access memory at address 0x7fffffffd1a0>, 
    newMinCapacity=<error reading variable: Cannot access memory at address 0x7fffffffd1b0>, 
    this=<error reading variable: Cannot access memory at address 0x7fffffffd198>) at Source/WTF/wtf/Vector.h:892
#8  WTF::Vector<WTF::RefPtr<WebCore::AccessibilityObject>, 0ul, WTF::CrashOnOverflow>::appendSlowCase<WebCore::AccessibilityMenuListOption*> (
    this=<error reading variable: Cannot access memory at address 0x7fffffffd198>, this at entry=0x7fff73f9e610, 
    val=<error reading variable: Cannot access memory at address 0x7fffffffd1a0>) at Source/WTF/wtf/Vector.h:1058
#9  0x00007ffff629516b in append<WebCore::AccessibilityMenuListOption*> (val=@0x7fffffffd200: <error reading variable>, this=0x7fff73f9e610)
    at Source/WTF/wtf/Vector.h:1049
#10 WebCore::AccessibilityMenuListPopup::addChildren (this=0x7fff73f9e600) at Source/WebCore/accessibility/AccessibilityMenuListPopup.cpp:111

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