bugGnash - The GNU Flash player - Bugs: bug #42200, Segfault in bitmapdata_copyPixels()

 
 

bug #42200: Segfault in bitmapdata_copyPixels()

Submitted by:  Bastiaan Jacques <bjacques>
Submitted on:  Sat 26 Apr 2014 10:15:25 AM UTC  
 
Category: coreSeverity: 6 - Security
Release: masterStatus: Fixed
Privacy: PublicAssigned to: Bastiaan Jacques <bjacques>
Open/Closed: Closed

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Tue 13 May 2014 10:22:31 PM UTC, comment #2:

Fixed in 0cdd056bf140.

Bastiaan Jacques <bjacques>
Project MemberIn charge of this item.
Sat 26 Apr 2014 10:51:35 AM UTC, comment #1:

The AS is approximately like this:

The problem seems to be that the third argument of copyPixels is null (as_value NULLTYPE), whereas bitmapdata_copyPixels() assumes it is an as_value that converts to an object, by not checking the return value from toObject().

Bastiaan Jacques <bjacques>
Project MemberIn charge of this item.
Sat 26 Apr 2014 10:15:25 AM UTC, original submission:

Downstream report includes backtrace: https://bugzilla.redhat.com/show_bug.cgi?id=1020538

STR: run https://a248.e.akamai.net/img.atdmt.com/ds/TRATR11234001/cf779e75491f4d1c8cc9b3715929e772.swf . (md5sum 85aafd118d79920c0bfc3ae81a648f8b)

Bastiaan Jacques <bjacques>
Project MemberIn charge of this item.

 

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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 13 May 2014 10:22:31 PM UTCbjacquesStatusNone=>Fixed
      Assigned toNone=>bjacques
      Open/ClosedOpen=>Closed

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