[FFmpeg-devel] [PATCH] avcodec/wmalosslessdec: Reset num_saved_bits on error path
Michael Niedermayer
michael at niedermayer.cc
Sun Mar 11 01:44:31 EET 2018
Fixes: NULL pointer dereference
Fixes: poc-201803.wav
Found-by: GwanYeong Kim <gy741.kim at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/wmalosslessdec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c
index 133a3e92d1..59e8929586 100644
--- a/libavcodec/wmalosslessdec.c
+++ b/libavcodec/wmalosslessdec.c
@@ -1148,6 +1148,7 @@ static void save_bits(WmallDecodeCtx *s, GetBitContext* gb, int len,
if (len <= 0 || buflen > s->max_frame_size) {
avpriv_request_sample(s->avctx, "Too small input buffer");
s->packet_loss = 1;
+ s->num_saved_bits = 0;
return;
}
--
2.16.2
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