[DVDnav-discuss] [PATCH] libdvdread: Fix crash when PTT is too short

John Stebbins stebbins at jetheaddev.com
Sat Jul 9 01:05:54 CEST 2011


On 07/08/2011 03:41 PM, John Stebbins wrote:
> Region 1 True Grit is an example of this.  The PTT that is allocated and read is smaller than what gets referenced. 
> The data is byte-swapped in place which results in writes to memory locations outside the allocated region.
>
Remove an unnecessary and incorrect part of the patch.  There's some code may lead to future invalid references, but I 
read the code wrong and applied an incorrect fix.  Since I don't have a disc that actually provokes this case, it is 
probably best to just leave it alone till such a disc surfaces.

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