[FFmpeg-devel] [PATCH 2/2] avformat/utils: Do not assume duration is non negative in compute_pkt_fields()

[Michael Niedermayer]

On Fri, Sep 06, 2019 at 01:03:05AM +0200, Michael Niedermayer wrote:
> Several subtitle demuxers set negative durations
> 
> Fixes: signed integer overflow: 9223372036854775807 - -1 cannot be represented in type 'long'
> Fixes: 16925/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5766519790764032
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavformat/utils.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

will apply

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Let us carefully observe those good qualities wherein our enemies excel us
and endeavor to excel them, by avoiding what is faulty, and imitating what
is excellent in them. -- Plutarch
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 181 bytes
Desc: not available
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20190924/aee7e28a/attachment.sig>