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avcodec/shorten: clear bitstream buffer
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f3ca95606fb_6393_luckynight-partial.shn
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Michael Niedermayer authored on 2013/12/24 02:09:58Showing 1 changed files
| ... | ... |
@@ -432,6 +432,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data, |
| 432 | 432 |
av_log(avctx, AV_LOG_ERROR, "error allocating bitstream buffer\n"); |
| 433 | 433 |
return AVERROR(ENOMEM); |
| 434 | 434 |
} |
| 435 |
+ memset(tmp_ptr, 0, s->allocated_bitstream_size); |
|
| 435 | 436 |
s->bitstream = tmp_ptr; |
| 436 | 437 |
} |
| 437 | 438 |
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