Re: [FFmpeg-devel] matroskadec: prevent access of elements after freeing

2016-11-29 Thread Andreas Cadhalpun
On 28.11.2016 07:40, Schenk, Michael wrote: > When using the decode interrupt feature of ffmpeg may causing crashes by > accessing previous freed pointers in matroska_read_close. > > The attached patch will reset nb_elem to zero after freeing the elements > because ffmpeg normally tests for nb_ele

[FFmpeg-devel] matroskadec: prevent access of elements after freeing

2016-11-27 Thread Schenk, Michael
When using the decode interrupt feature of ffmpeg may causing crashes by accessing previous freed pointers in matroska_read_close. The attached patch will reset nb_elem to zero after freeing the elements because ffmpeg normally tests for nb_elem. Feedback for sure is warmly welcome. Regards Mi