avcodec/ivi_common: use av_mallocz() to allocate mbs array

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f1dffa1c016_8245_sasha.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-23 18:09:58 +01:00
parent 14bec7dcf8
commit d164ad3298

View File

@ -363,7 +363,7 @@ static int ivi_init_tiles(IVIBandDesc *band, IVITile *ref_tile,
band->mb_size);
av_freep(&tile->mbs);
tile->mbs = av_malloc(tile->num_MBs * sizeof(IVIMbInfo));
tile->mbs = av_mallocz(tile->num_MBs * sizeof(IVIMbInfo));
if (!tile->mbs)
return AVERROR(ENOMEM);