| Message ID | 20230410234745.25355-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 167b4f56f187edafd94fa2e706897ac3bb450511 |
| Headers | show |
| Series | [FFmpeg-devel] avformat/rka: bps < 8 is invalid | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On Tue, Apr 11, 2023 at 01:47:45AM +0200, Michael Niedermayer wrote: > Fixes: division by zero > Fixes: 57828/clusterfuzz-testcase-minimized-ffmpeg_dem_RKA_fuzzer-6571818338353152 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/rka.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavformat/rka.c b/libavformat/rka.c index 39e5b3bce12..36e25ade017 100644 --- a/libavformat/rka.c +++ b/libavformat/rka.c @@ -72,7 +72,7 @@ static int rka_read_header(AVFormatContext *s) if (channels == 0) return AVERROR_INVALIDDATA; bps = par->extradata[13]; - if (bps == 0) + if (bps < 8) return AVERROR_INVALIDDATA; size_offset = avio_rl32(s->pb); framepos = avio_tell(s->pb);
Fixes: division by zero Fixes: 57828/clusterfuzz-testcase-minimized-ffmpeg_dem_RKA_fuzzer-6571818338353152 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/rka.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)