[Webkit-unassigned] [Bug 50439] New: [chromium] PNG encoder leaks memory on png_write_row errors.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50439

           Summary: [chromium] PNG encoder leaks memory on png_write_row
                    errors.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: noel.gordon at gmail.com
                CC: mdelaney at apple.com


Once the encoder setjmp() is called during initialization, any C++ objects created after that point won't have their destructors called on error due to the way setjmp() unwinds the stack.  So in the error case, the OwnArrayPtr |rowPixels| leaks its memory.

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