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, which usually means
undefined behavior
---
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,
int64_t target_ts, int flags)
{
const AVInputFormat *avif = s->iformat;
- int64_t av_uninit(pos_min), av_uninit(pos_max), pos, pos_limit;
+ int64_t pos_min = 0, pos_max = 0, pos, pos_limit;
int64_t ts_min, ts_max, ts;
int index;
int64_t ret;
--
2.42.1
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