On Mon, Nov 18, 2019 at 09:02:48AM -0800, Baptiste Coudurier wrote: > > > On Nov 15, 2019, at 3:10 PM, Michael Niedermayer <mich...@niedermayer.cc> > > wrote: > > > > Fixes: out of array access > > Fixes: > > 18788/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVVIDEO_fuzzer-6254863113781248 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/dvdec.c | 3 +-- > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > diff --git a/libavcodec/dvdec.c b/libavcodec/dvdec.c > > index 578d7f505f..c526091eb4 100644 > > --- a/libavcodec/dvdec.c > > +++ b/libavcodec/dvdec.c > > @@ -272,11 +272,10 @@ static inline void bit_copy(PutBitContext *pb, > > GetBitContext *gb) > > static av_always_inline void put_block_8x4(int16_t *block, uint8_t > > *av_restrict p, int stride) > > { > > int i, j; > > - const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; > > > > for (i = 0; i < 4; i++) { > > for (j = 0; j < 8; j++) > > - p[j] = cm[block[j]]; > > + p[j] = av_clip_uint8(block[j]); > > block += 8; > > p += stride; > > } > > LGTM
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB No great genius has ever existed without some touch of madness. -- Aristotle
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