zzuf .cpk crashes FFMPEG memory exceeded

[Oana Stratulat]

==3598== Memcheck, a memory error detector
==3598== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
==3598== Using Valgrind-3.6.1-Debian and LibVEX; rerun with -h for copyright info
==3598== Command: ffmpeg -i corruptfile -f null -
==3598==
ffmpeg version N-35936-gaf3f2a8, Copyright (c) 2000-2011 the FFmpeg developers

built on Dec 19 2011 00:07:16 with gcc 4.6.1
configuration:
libavutil 51. 32. 0 / 51. 32. 0
libavcodec 53. 46. 0 / 53. 46. 0
libavformat 53. 26. 0 / 53. 26. 0
libavdevice 53. 4. 0 / 53. 4. 0
libavfilter 2. 53. 0 / 2. 53. 0
libswscale 2. 1. 0 / 2. 1. 0

corruptfile: Invalid data found when processing input
==3598==
==3598== HEAP SUMMARY:
==3598== in use at exit: 0 bytes in 0 blocks
==3598== total heap usage: 15 allocs, 15 frees, 2,152,052 bytes allocated
==3598==
==3598== All heap blocks were freed -- no leaks are possible
==3598==
==3598== For counts of detected and suppressed errors, rerun with: -v
==3598== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 4 from 4)