[Webkit-unassigned] [Bug 56569] java/lc3/ConvertNull/null-006-n.html crashed once in -[WebClipView additionalClip] when called on a background thread by Java on SnowLeopard Intel Leaks

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=56569


Adam Roben (:aroben) <aroben at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|java/lc3/ConvertNull/null-0 |java/lc3/ConvertNull/null-0
                   |06-n.html crashed once      |06-n.html crashed once in
                   |beneath MarkedBlock::sweep  |-[WebClipView
                   |on SnowLeopard Intel Leaks  |additionalClip] when called
                   |                            |on a background thread by
                   |                            |Java on SnowLeopard Intel
                   |                            |Leaks
          Component|JavaScriptCore              |Java
                 CC|                            |andersca at apple.com,
                   |                            |ap at webkit.org




--- Comment #1 from Adam Roben (:aroben) <aroben at apple.com>  2011-03-17 10:28:00 PST ---
I misread the crash log.

A non-main thread crashed when calling into WebKit via Java. This is a threading violation as far as I know.


Thread 38 Crashed:  Java: AWT-EventQueue-0
0   com.apple.WebKit                  0x0000000100a13a3d -[WebClipView additionalClip] + 83 (WebClipView.mm:141)
1   com.apple.WebKit                  0x0000000100a706f3 -[WebHTMLView visibleRect] + 289 (WebHTMLView.mm:3415)
2   com.apple.AppKit                  0x00007fff81f8ee77 -[NSView visibleRect] + 346
3   com.apple.AppKit                  0x00007fff81f8ee77 -[NSView visibleRect] + 346
4   com.apple.AppKit                  0x00007fff81f8ee77 -[NSView visibleRect] + 346
5   libawt.jnilib                     0x000000012c4112ee -[AWTDrawableContextManager setupContextState:] + 1446
6   libawt.jnilib                     0x000000012c410ad1 -[AWTDrawableContextManager getContext:canDrawDuringLiveResize:] + 361
7   libawt.jnilib                     0x000000012c410963 -[NSViewAWT getContext:canDrawDuringLiveResize:] + 49
8   libawt.jnilib                     0x000000012c415a45 ViewSD_Lock + 153
9   libawt.jnilib                     0x000000012c419efd Java_sun_java2d_loops_FillRect_FillRect + 261

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