[FFmpeg-devel] [PATCH] cherrypick ab7926341 into 4.2

[Michael Niedermayer]

On Thu, Nov 16, 2023 at 02:35:58PM -0800, Reed Weichler wrote:
> pretty self-explanatory.
> i guess they forgot to cherrypick it when it was first committed.
> here is my code to repro: https://pastebin.com/raw/yQr3WWvX
> it needs a FLAC file as input.
> it hit an EXC_BAD_ACCESS here:
> https://github.com/FFmpeg/FFmpeg/blob/c6c36aa97a/libavformat/utils.c#L2227
> index was equal to -1, so that code shouldnt even run, usually means UB.
> ---
>  libavformat/utils.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavformat/utils.c b/libavformat/utils.c
> index 4067d55fa1..2143d9fb59 100644
> --- a/libavformat/utils.c
> +++ b/libavformat/utils.c
> @@ -2183,7 +2183,7 @@ int ff_seek_frame_binary(AVFormatContext *s, int
> stream_index,

patch corrupted by newline

patch locally backported to 4.2 - 4.4

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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