virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-26 19:01:44 +02:00
Code Issues Releases Activity

avcodec/alsdec: check predictor order against block length

Browse Source 
Fixes out of array access
Fixes: abd3c041acbcb816be113455d138166b-asan_heap-oob_b11634_3707_cov_1707137151_als_05_2ch48k16b.mp4
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-16 13:12:39 +01:00
parent ec482e738d
commit 18f94df8af
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/alsdec.c
View File

@ -688,7 +688,11 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
} else {
*bd->opt_order = sconf->max_order;
}
if (*bd->opt_order > bd->block_length) {
*bd->opt_order = bd->block_length;
av_log(avctx, AV_LOG_ERROR, "Predictor order too large.\n");
return AVERROR_INVALIDDATA;
}
opt_order = *bd->opt_order;
if (opt_order) {