Andreas Rheinhardt:
> It is sane, but UB. It could happen in case of allocation errors
> in vc2_encode_init().
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
> ---
> libavcodec/vc2enc_dwt.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/libavcodec/vc2enc_dwt.c b/libavcodec/vc2enc_dwt.c
> index a8d3f1c669..441af040ec 100644
> --- a/libavcodec/vc2enc_dwt.c
> +++ b/libavcodec/vc2enc_dwt.c
> @@ -276,6 +276,8 @@ av_cold int ff_vc2enc_init_transforms(VC2TransformContext
> *s, int p_stride,
>
> av_cold void ff_vc2enc_free_transforms(VC2TransformContext *s)
> {
> - av_free(s->buffer - s->padding);
> - s->buffer = NULL;
> + if (s->buffer) {
> + av_free(s->buffer - s->padding);
> + s->buffer = NULL;
> + }
> }
Will apply these patches later tonight unless there are objections.
- Andreas
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