[FFmpeg-devel] [PATCH 3/5] avformat/avidec: Use av_sat_sub64() in check_stream_max_drift()

Michael Niedermayer michael at niedermayer.cc
Tue Jan 19 01:05:07 EET 2021


On Sun, Nov 29, 2020 at 01:03:35AM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: 8833900919969684211 - -9223372036854775808 cannot be represented in type 'long'
> Fixes: 26726/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-5669377724383232
> Fixes: 27587/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-6294562263531520
> 
> 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/avidec.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

will apply

[...]
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