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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-03-11 00:13:57 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-07-08 19:45:45 +0200 |
| commit | 7a5630b56a8bb0422c3946601e2c95cd6ea53956 (patch) | |
| tree | 422646b14e7093d95ce04635063fc7ec2b8d030c | |
| parent | 791c0940f588ba10a460b2d3eb4e927b922fef8d (diff) | |
| download | ffmpeg-7a5630b56a8bb0422c3946601e2c95cd6ea53956.tar.gz | |
avcodec/wmalosslessdec: Reset num_saved_bits on error path
Fixes: NULL pointer dereference
Fixes: poc-201803.wav
Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 64c9ce0abc0fd8774b523afda3ddb17c86caa86a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wmalosslessdec.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index 7eb7b4cd30..df21662d05 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -1149,6 +1149,7 @@ 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; } |