On Sat, Sep 26, 2020 at 12:26:33AM +0200, Michael Niedermayer wrote: > 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(-)
lgtm > > 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". _______________________________________________ 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".
