> 2021年12月3日 下午5:45，Andreas Rheinhardt 写道：
>
> Yu Yang:
>> 'pkt' and '*pkt' should be judged separately for release.
>> SEGV by a READ memory access (address points to the zero page)
>>
>> ```c
>> // in fftools/ffmpeg.c:515
>> 515 static void ffmpeg_cleanup(int ret)
>> 516 {
>> ...
>>
Yu Yang:
> 'pkt' and '*pkt' should be judged separately for release.
> SEGV by a READ memory access (address points to the zero page)
>
> ```c
> // in fftools/ffmpeg.c:515
> 515 static void ffmpeg_cleanup(int ret)
> 516 {
>...
>
> 626 for (i = 0; i < nb_input_files; i++) {
> 627
'pkt' and '*pkt' should be judged separately for release.
SEGV by a READ memory access (address points to the zero page)
```c
// in fftools/ffmpeg.c:515
515 static void ffmpeg_cleanup(int ret)
516 {
...
626 for (i = 0; i < nb_input_files; i++) {
627 avformat_close_input(&
