This is an automated email from the git hooks/post-receive script.
Git pushed a commit to branch master
in repository ffmpeg.
The following commit(s) were added to refs/heads/master by this push:
new 256d93413f avformat/mov: Fix negative index given to
can_seek_to_key_sample()
256d93413f is described below
commit 256d93413f260e1524c2ab994dc72c4edaa0d04c
Author: Dale Curtis <[email protected]>
AuthorDate: Thu Apr 30 21:01:33 2026 +0000
Commit: James Almer <[email protected]>
CommitDate: Tue May 5 21:26:38 2026 +0000
avformat/mov: Fix negative index given to can_seek_to_key_sample()
The potentially negative return value of av_index_search_timestamp()
wasn't being handled before passing it to can_seek_to_key_sample().
Found by Wongi Lee (@_qwerty_po) of Theori with Xint Code,
Jungwoo Lee (@physicube).
Signed-off-by: Dale Curtis <[email protected]>
---
libavformat/mov.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index f01ec86236..0d982e5a79 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -11599,6 +11599,7 @@ static int can_seek_to_key_sample(AVStream *st, int
sample, int64_t requested_pt
if (sample >= sc->sample_offsets_count)
return 1;
+ av_assert0(sample >= 0);
key_sample_dts = sti->index_entries[sample].timestamp;
key_sample_pts = key_sample_dts + sc->sample_offsets[sample] +
sc->dts_shift;
@@ -11642,6 +11643,8 @@ static int mov_seek_stream(AVFormatContext *s, AVStream
*st, int64_t timestamp,
next_ts = timestamp - FFMAX(sc->min_sample_duration, 1);
requested_sample = av_index_search_timestamp(st, next_ts, flags);
+ if (requested_sample < 0)
+ return AVERROR_INVALIDDATA;
// If we've reached a different sample trying to find a good pts to
// seek to, give up searching because we'll end up seeking back to
_______________________________________________
ffmpeg-cvslog mailing list -- [email protected]
To unsubscribe send an email to [email protected]
