| Message ID | 20180427194407.24276-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | da038c07f02dfc10380001c11b3d047eca7cb8c9 |
| Headers | show |
On Fri, Apr 27, 2018 at 09:44:06PM +0200, Michael Niedermayer wrote: > Fixes: runtime error: signed integer overflow: 2147483531 + 16384 cannot be represented in type 'int' > Fixes: 6615/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-5165715515506688 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/wavpack.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 0e40b29879..22a2c83a30 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -452,7 +452,7 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb, if (type != AV_SAMPLE_FMT_S16P) R2 = R + ((s->decorr[i].weightB * (int64_t)L2 + 512) >> 10); else - R2 = R + ((int)(s->decorr[i].weightB * (unsigned)L2 + 512) >> 10); + R2 = R + (unsigned)((int)(s->decorr[i].weightB * (unsigned)L2 + 512) >> 10); UPDATE_WEIGHT_CLIP(s->decorr[i].weightB, s->decorr[i].delta, L2, R); R = R2; s->decorr[i].samplesA[0] = R;
Fixes: runtime error: signed integer overflow: 2147483531 + 16384 cannot be represented in type 'int' Fixes: 6615/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-5165715515506688 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)