ffmpeg | branch: master | Kacper Michajłow <kaspe...@gmail.com> | Fri Jul 11 21:44:33 2025 +0200| [e29016a9de8cf9a15569bdcea6e68c8e9ba2f299] | committer: Kacper Michajłow
avformat/subfile: clip seek offset Fixes: signed integer overflow: 9223372036854737920 + 1649410 cannot be represented in type 'int64_t' Fixes OSS-Fuzz: 410100610 Signed-off-by: Kacper Michajłow <kaspe...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e29016a9de8cf9a15569bdcea6e68c8e9ba2f299 --- libavformat/subfile.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavformat/subfile.c b/libavformat/subfile.c index be48ef72ef..b8c6ce0eef 100644 --- a/libavformat/subfile.c +++ b/libavformat/subfile.c @@ -128,13 +128,13 @@ static int64_t subfile_seek(URLContext *h, int64_t pos, int whence) case AVSEEK_SIZE: return end - c->start; case SEEK_SET: - new_pos = c->start + pos; + new_pos = c->start + av_clip(pos, 0, end - c->start); break; case SEEK_CUR: - new_pos = c->pos + pos; + new_pos = c->pos + av_clip(pos, -(c->pos - c->start), end - c->pos); break; case SEEK_END: - new_pos = end + pos; + new_pos = end + av_clip(pos, -(end - c->start), 0); break; default: av_assert0(0); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".