[Webkit-unassigned] [Bug 17590] New: ASSERTION FAILED: subject in jsRegExpExecute()

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=17590

           Summary: ASSERTION FAILED: subject in jsRegExpExecute()
           Product: WebKit
           Version: 525+ (Nightly build)
          Platform: Macintosh
               URL: http://mibbit.com
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: webkit at mattlilek.com


I hit the following ASSERT on mibbit.com.  It happens after I finish typing my
username (but before I can tab away from that field).  

<http://trac.webkit.org/projects/webkit/browser/trunk/JavaScriptCore/pcre/pcre_exec.cpp#L1905>

ASSERTION FAILED: subject
(/Users/mlilek/Documents/WebKit/JavaScriptCore/pcre/pcre_exec.cpp:1905 int
jsRegExpExecute(const JSRegExp*, const UChar*, int, int, int*, int))

Thread 0 Crashed:
0   com.apple.JavaScriptCore            0x004c5b9c jsRegExpExecute(JSRegExp
const*, unsigned short const*, int, int, int*, int) + 130 (pcre_exec.cpp:1905)
1   com.apple.WebCore                   0x01ef4706
WebCore::RegularExpression::match(WebCore::String const&, int, int*) const +
176 (RegularExpression.cpp:132)
2   com.apple.WebCore                   0x01ef49f0
WebCore::RegularExpression::search(WebCore::String const&, int) const + 70
(RegularExpression.cpp:155)
3   com.apple.WebCore                   0x01cfa985
WebCore::Frame::matchLabelsAgainstElement(NSArray*, WebCore::Element*) + 235
(FrameMac.mm:311)
4   com.apple.WebCore                   0x020dd591 -[WebCoreFrameBridge
matchLabels:againstElement:] + 63 (WebCoreFrameBridge.mm:626)
5   com.apple.WebKit                    0x001bfc7c -[WebHTMLRepresentation
matchLabels:againstElement:] + 58 (WebHTMLRepresentation.mm:320)
6   com.apple.Safari                    0x00090fc7 0x1000 + 589767
7   com.apple.Safari                    0x00091771 0x1000 + 591729
8   com.apple.Safari                    0x00091491 0x1000 + 590993
9   com.apple.Safari                    0x00091399 0x1000 + 590745
10  com.apple.Safari                    0x0008bb23 0x1000 + 568099
11  com.apple.Foundation                0x91f29fce __NSFireDelayedPerform + 382
12  com.apple.CoreFoundation            0x933a7b5e CFRunLoopRunSpecific + 4494
13  com.apple.CoreFoundation            0x933a7d18 CFRunLoopRunInMode + 88
14  com.apple.HIToolbox                 0x947f86a0 RunCurrentEventLoopInMode +
283
15  com.apple.HIToolbox                 0x947f84b9 ReceiveNextEventCommon + 374
16  com.apple.HIToolbox                 0x947f832d
BlockUntilNextEventMatchingListInMode + 106
17  com.apple.AppKit                    0x93a687d9 _DPSNextEvent + 657
18  com.apple.AppKit                    0x93a6808e -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
19  com.apple.Safari                    0x0000965e 0x1000 + 34398
20  com.apple.AppKit                    0x93a610c5 -[NSApplication run] + 795
21  com.apple.AppKit                    0x93a2e30a NSApplicationMain + 574
22  com.apple.Safari                    0x00002a76 0x1000 + 6774


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