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 <mich...@niedermayer.cc> --- libavcodec/truemotion2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); -- 2.21.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
