Fixes: out of array read Fixes: 25455/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-6327985731534848
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/dxtory.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/dxtory.c b/libavcodec/dxtory.c index 3f3c23ff2a..157e4b3ed2 100644 --- a/libavcodec/dxtory.c +++ b/libavcodec/dxtory.c @@ -44,9 +44,9 @@ static int64_t get_raw_size(enum AVPixelFormat fmt, int width, int height) case AV_PIX_FMT_YUV444P: return width * height * 3LL; case AV_PIX_FMT_YUV420P: - return (int64_t)(width * height) + AV_CEIL_RSHIFT(width, 1) * AV_CEIL_RSHIFT(height, 1); + return (int64_t)(width * height) + 2 * AV_CEIL_RSHIFT(width, 1) * AV_CEIL_RSHIFT(height, 1); case AV_PIX_FMT_YUV410P: - return (int64_t)(width * height) + AV_CEIL_RSHIFT(width, 2) * AV_CEIL_RSHIFT(height, 2); + return (int64_t)(width * height) + 2 * AV_CEIL_RSHIFT(width, 2) * AV_CEIL_RSHIFT(height, 2); } return 0; -- 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".
