[FFmpeg-devel] [PATCH 1/7] avformat/mpsubdec: Use av_sat_add/sub64() in fracval handling

Michael Niedermayer michael at niedermayer.cc
Tue Jan 26 18:44:37 EET 2021


On Sun, Jan 17, 2021 at 12:07:23AM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: 9223372036850000000 + 9000000 cannot be represented in type 'long long'
> Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_MPSUB_fuzzer-665448017480908
> 
> 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/mpsubdec.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

will apply

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

If the United States is serious about tackling the national security threats 
related to an insecure 5G network, it needs to rethink the extent to which it
values corporate profits and government espionage over security.-Bruce Schneier
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