Message ID | 20200531135020.5675-2-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | 1ba8484559661dfdbca36dbc17b203f33f62e26c |
Headers | show |
Series | [FFmpeg-devel,1/4] avcodec/jpeg2000dec: clear pointer which become stale in get_ppt() | expand |
Context | Check | Description |
---|---|---|
andriy/default | pending | |
andriy/make | success | Make finished |
andriy/make_fate | success | Make fate finished |
On Sun, May 31, 2020 at 03:50:18PM +0200, Michael Niedermayer wrote: > Fixes: out of array access > Fixes: 22520/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5100297658826752 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/thp.c | 3 +++ > 1 file changed, 3 insertions(+) will apply [...]
diff --git a/libavformat/thp.c b/libavformat/thp.c index d3ae86c645..4abff1313a 100644 --- a/libavformat/thp.c +++ b/libavformat/thp.c @@ -93,6 +93,9 @@ static int thp_read_header(AVFormatContext *s) avio_seek (pb, thp->compoff, SEEK_SET); thp->compcount = avio_rb32(pb); + if (thp->compcount > FF_ARRAY_ELEMS(thp->components)) + return AVERROR_INVALIDDATA; + /* Read the list of component types. */ avio_read(pb, thp->components, 16);
Fixes: out of array access Fixes: 22520/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5100297658826752 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/thp.c | 3 +++ 1 file changed, 3 insertions(+)