[Webkit-unassigned] [Bug 33706] New: REGRESSION: WebKitPluginHost crashes when switching to full screen Flash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=33706

           Summary: REGRESSION: WebKitPluginHost crashes when switching to
                    full screen Flash
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://www.atlassian.com/tv/episode?id=oogw95esjwoh
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Critical
          Priority: P2
         Component: Plug-ins
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rex_4539 at yahoo.com


Created an attachment (id=46647)
 --> (https://bugs.webkit.org/attachment.cgi?id=46647)
Crash log

WebKit 6531.21.10, r53317

Reproducibility: always

Steps:
1. Go to http://www.atlassian.com/tv/episode?id=oogw95esjwoh
2. Start playing the Flash video.
3. Click on the icon on the top right inside the video feed to switch to full
screen.

What happened:
3. WebKitPluginHost crashes 100%.

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   ...dia.FlashPlayer-10.6.plugin    0x1309d478 main + 55304
1   ...dia.FlashPlayer-10.6.plugin    0x13016848
FlashPlayer_10_1_51_66_FlashPlayer + 6072
2   com.apple.WebKit.PluginHost       0x0000a296 0x1000 + 37526
3   com.apple.WebKit.PluginHost       0x0000b621 0x1000 + 42529
4   com.apple.WebKit.PluginHost       0x000078c6 0x1000 + 26822
5   com.apple.CoreFoundation          0x90cc8e31 __CFRunLoopDoBlocks + 353
6   com.apple.CoreFoundation          0x90c792ad __CFRunLoopRun + 845
7   com.apple.CoreFoundation          0x90c78864 CFRunLoopRunSpecific + 452
8   com.apple.CoreFoundation          0x90c78691 CFRunLoopRunInMode + 97
9   com.apple.HIToolbox               0x9522ef0c RunCurrentEventLoopInMode +
392
10  com.apple.HIToolbox               0x9522ecc3 ReceiveNextEventCommon + 354
11  com.apple.HIToolbox               0x9522eb48
BlockUntilNextEventMatchingListInMode + 81
12  com.apple.AppKit                  0x98a64ac5 _DPSNextEvent + 847
13  com.apple.AppKit                  0x98a64306 -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 156
14  com.apple.AppKit                  0x98a2649f -[NSApplication run] + 821
15  com.apple.WebKit.PluginHost       0x0000625f 0x1000 + 21087
16  com.apple.WebKit.PluginHost       0x00002035 0x1000 + 4149

Expected result:
3. WebKitPluginHost does not crash.

Notes:
This is a regression. Crash does not occur in public Safari 4.0.4 (6531.21.10)

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