| Message ID | 20210428150636.28396-3-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 200406d930eff3202f3230f188f85f4ab9cf4525 |
| Headers | show |
| Series | [FFmpeg-devel,1/4] avformat/mvdec: Check sample rate in parse_audio_var() | expand |
| Context | Check | Description |
|---|---|---|
| andriy/x86_make | success | Make finished |
| andriy/x86_make_fate | success | Make fate finished |
| andriy/PPC64_make | success | Make finished |
| andriy/PPC64_make_fate | success | Make fate finished |
On Wed, Apr 28, 2021 at 05:06:35PM +0200, Michael Niedermayer wrote: > Fixes: signed integer overflow: 9223372036854775807 + 1442840321 cannot be represented in type 'long' > Fixes: 33670/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6644379491106816 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/mov.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavformat/mov.c b/libavformat/mov.c index ca8f06c4cd..0f94abd040 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -5080,7 +5080,7 @@ static int mov_read_sidx(MOVContext *c, AVIOContext *pb, MOVAtom atom) if (frag_stream_info) frag_stream_info->sidx_pts = timestamp; - if (av_sat_add64(offset, size) != offset + size || + if (av_sat_add64(offset, size) != offset + (uint64_t)size || av_sat_add64(pts, duration) != pts + (uint64_t)duration ) return AVERROR_INVALIDDATA;
Fixes: signed integer overflow: 9223372036854775807 + 1442840321 cannot be represented in type 'long' Fixes: 33670/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6644379491106816 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/mov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)