| Message ID | 20201129000337.31514-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 1b1905739638c22b476c99c679b41f29fa00bf07 |
| Headers | show |
| Series | [FFmpeg-devel,1/5] avformat/mov: Check a.size before computing next_root_atom | expand |
| Context | Check | Description |
|---|---|---|
| andriy/x86_make | success | Make finished |
| andriy/x86_make_fate | success | Make fate finished |
On Sun, Nov 29, 2020 at 01:03:34AM +0100, Michael Niedermayer wrote: > Fixes: signed integer overflow: 2147462079 + 2149596 cannot be represented in type 'int' > Fixes: 27565/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5091972813160448 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavutil/timecode.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavutil/timecode.c b/libavutil/timecode.c index f2db21c52c..9ac5c81677 100644 --- a/libavutil/timecode.c +++ b/libavutil/timecode.c @@ -49,7 +49,7 @@ int av_timecode_adjust_ntsc_framenum2(int framenum, int fps) d = framenum / frames_per_10mins; m = framenum % frames_per_10mins; - return framenum + 9 * drop_frames * d + drop_frames * ((m - drop_frames) / (frames_per_10mins / 10)); + return framenum + 9U * drop_frames * d + drop_frames * ((m - drop_frames) / (frames_per_10mins / 10)); } uint32_t av_timecode_get_smpte_from_framenum(const AVTimecode *tc, int framenum)
Fixes: signed integer overflow: 2147462079 + 2149596 cannot be represented in type 'int' Fixes: 27565/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5091972813160448 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavutil/timecode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)