Fixes: left shift of negative value -3 Fixes: 37788/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6024714540154880
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/h274.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/h274.c b/libavcodec/h274.c index 262106733ce..20401ba06bb 100644 --- a/libavcodec/h274.c +++ b/libavcodec/h274.c @@ -250,8 +250,8 @@ int ff_h274_apply_film_grain(AVFrame *out_frame, const AVFrame *in_frame, // Adaptation for 4:2:0 chroma subsampling for (int i = 0; i < h274.num_intensity_intervals[c]; i++) { h274.comp_model_value[c][i][0] >>= 1; - h274.comp_model_value[c][i][1] <<= 1; - h274.comp_model_value[c][i][2] <<= 1; + h274.comp_model_value[c][i][1] *= 2; + h274.comp_model_value[c][i][2] *= 2; } } -- 2.17.1 _______________________________________________ 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".
