[FFmpeg-devel] [PATCH] avcodec/pngdec: Mark damaged frames as finished

[Paul B Mahol]

On 11/25/22, Andreas Rheinhardt <andreas.rheinhardt at outlook.com> wrote:
> Fixes the deadlock reported in ticket #10071.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> ---
>  libavcodec/pngdec.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
> index 8080094d65..f1cad26c52 100644
> --- a/libavcodec/pngdec.c
> +++ b/libavcodec/pngdec.c
> @@ -1362,8 +1362,10 @@ exit_loop:
>          return 0;
>      }
>
> -    if (percent_missing(s) > avctx->discard_damaged_percentage)
> -        return AVERROR_INVALIDDATA;
> +    if (percent_missing(s) > avctx->discard_damaged_percentage) {
> +        ret = AVERROR_INVALIDDATA;
> +        goto fail;
> +    }
>
>      if (s->bits_per_pixel <= 4)
>          handle_small_bpp(s, p);
> --
> 2.34.1
>

ok

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