| Message ID | 20201019142501.6867-7-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 7c144b363e67bef7651108c88687b38155172c1f |
| Headers | show |
| Series | [FFmpeg-devel,1/7] avcodec/fits: Check bscale | expand |
| Context | Check | Description |
|---|---|---|
| andriy/PPC64_make | success | Make finished |
| andriy/PPC64_make_fate | warning | Make fate failed |
| andriy/x86_make | success | Make finished |
| andriy/x86_make_fate | success | Make fate finished |
On Mon, Oct 19, 2020 at 04:25:01PM +0200, Michael Niedermayer wrote: > Fixes: left shift of 1111111190 by 3 places cannot be represented in type 'int' > Fixes: 26437/clusterfuzz-testcase-minimized-ffmpeg_dem_NISTSPHERE_fuzzer-4886896091856896 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/nistspheredec.c | 2 ++ > 1 file changed, 2 insertions(+) will apply [...]
diff --git a/libavformat/nistspheredec.c b/libavformat/nistspheredec.c index 3ef3843d5e..079369929f 100644 --- a/libavformat/nistspheredec.c +++ b/libavformat/nistspheredec.c @@ -109,6 +109,8 @@ static int nist_read_header(AVFormatContext *s) sscanf(buffer, "%*s %*s %"SCNd64, &st->duration); } else if (!memcmp(buffer, "sample_n_bytes", 14)) { sscanf(buffer, "%*s %*s %d", &bps); + if (bps > INT_MAX/8U) + return AVERROR_INVALIDDATA; } else if (!memcmp(buffer, "sample_rate", 11)) { sscanf(buffer, "%*s %*s %d", &st->codecpar->sample_rate); } else if (!memcmp(buffer, "sample_sig_bits", 15)) {
Fixes: left shift of 1111111190 by 3 places cannot be represented in type 'int' Fixes: 26437/clusterfuzz-testcase-minimized-ffmpeg_dem_NISTSPHERE_fuzzer-4886896091856896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/nistspheredec.c | 2 ++ 1 file changed, 2 insertions(+)