Commit 6b18a683 authored by Michael Niedermayer's avatar Michael Niedermayer

avcodec/wmalosslessdec: shrink output on error so no uninitialized data is returned

Fixes use of uninitialized memory
partly fixes: msan_uninit-mem_7f7834b6a530_6473_luckynight-partial.wma
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent ae3856dc
...@@ -1076,8 +1076,11 @@ static int decode_frame(WmallDecodeCtx *s) ...@@ -1076,8 +1076,11 @@ static int decode_frame(WmallDecodeCtx *s)
/* decode all subframes */ /* decode all subframes */
while (!s->parsed_all_subframes) { while (!s->parsed_all_subframes) {
int decoded_samples = s->channel[0].decoded_samples;
if (decode_subframe(s) < 0) { if (decode_subframe(s) < 0) {
s->packet_loss = 1; s->packet_loss = 1;
if (s->frame->nb_samples)
s->frame->nb_samples = decoded_samples;
return 0; return 0;
} }
} }
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment