[FFmpeg-devel] [PATCH] avcodec/libuavs3d: fix access uninitialized variable when draining

["zhilizhao(赵志立)"]

> On May 13, 2022, at 8:59 AM, mypopy at gmail.com wrote:
> 
> On Thu, May 12, 2022 at 5:55 PM Zhao Zhili <quinkblack at foxmail.com> wrote:
>> 
>> buf_ptr is uninitialized and accessed when function return.
>> ---
>> libavcodec/libuavs3d.c | 3 +--
>> 1 file changed, 1 insertion(+), 2 deletions(-)
>> 
>> diff --git a/libavcodec/libuavs3d.c b/libavcodec/libuavs3d.c
>> index 6966e00b62..23de4c8cd5 100644
>> --- a/libavcodec/libuavs3d.c
>> +++ b/libavcodec/libuavs3d.c
>> @@ -149,7 +149,7 @@ static int libuavs3d_decode_frame(AVCodecContext *avctx, AVFrame *frm,
>>     const uint8_t *buf = avpkt->data;
>>     int buf_size = avpkt->size;
>>     const uint8_t *buf_end;
>> -    const uint8_t *buf_ptr;
>> +    const uint8_t *buf_ptr = buf;
>>     int left_bytes;
>>     int ret, finish = 0;
>> 
>> @@ -170,7 +170,6 @@ static int libuavs3d_decode_frame(AVCodecContext *avctx, AVFrame *frm,
>>     } else {
>>         uavs3d_io_frm_t *frm_dec = &h->dec_frame;
>> 
>> -        buf_ptr = buf;
>>         buf_end = buf + buf_size;
>>         frm_dec->pkt_pos  = avpkt->pos;
>>         frm_dec->pkt_size = avpkt->size;
>> --
>> 2.35.3
> Sounds Good To Me

Applied, thanks!