| Message ID | 20190327001742.16131-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 0ad0533e914a2618aea1dc77748037bd8459f61d |
| Headers | show |
On Wed, Mar 27, 2019 at 01:17:41AM +0100, Michael Niedermayer wrote: > Fixes: signed integer overflow: 255 + 2147483634 cannot be represented in type 'int' > Fixes: 13472/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5712444142387200 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/truemotion2.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/truemotion2.c b/libavcodec/truemotion2.c index 18719dae1c..100880c257 100644 --- a/libavcodec/truemotion2.c +++ b/libavcodec/truemotion2.c @@ -837,7 +837,7 @@ static int tm2_decode_blocks(TM2Context *ctx, AVFrame *p) dst = p->data[0]; for (j = 0; j < h; j++) { for (i = 0; i < w; i++) { - int y = Y[i], u = U[i >> 1], v = V[i >> 1]; + unsigned y = Y[i], u = U[i >> 1], v = V[i >> 1]; dst[3*i+0] = av_clip_uint8(y + v); dst[3*i+1] = av_clip_uint8(y); dst[3*i+2] = av_clip_uint8(y + u);
Fixes: signed integer overflow: 255 + 2147483634 cannot be represented in type 'int' Fixes: 13472/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5712444142387200 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/truemotion2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)