On Sun, Feb 02, 2020 at 02:07:14PM +0530, Jai Luthra wrote: > On Sun, Feb 02, 2020 at 01:16:38AM +0100, Michael Niedermayer wrote: > >Fixes: left shift of negative value -2 > >Fixes: > >20305/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEHD_fuzzer-5677196618498048 > > > >Found-by: continuous fuzzing process > >https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > >Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > >--- > >libavcodec/mlpdsp.c | 2 +- > >1 file changed, 1 insertion(+), 1 deletion(-) > > > >diff --git a/libavcodec/mlpdsp.c b/libavcodec/mlpdsp.c > >index 32a4503b64..12bef3a721 100644 > >--- a/libavcodec/mlpdsp.c > >+++ b/libavcodec/mlpdsp.c > >@@ -79,7 +79,7 @@ void ff_mlp_rematrix_channel(int32_t *samples, > > > > if (matrix_noise_shift) { > > index &= access_unit_size_pow2 - 1; > >- accum += noise_buffer[index] << (matrix_noise_shift + 7); > >+ accum += noise_buffer[index] * (1 << (matrix_noise_shift + 7)); > > index += index2; > > } > > > >-- > >2.17.1 > > > >_______________________________________________ > > > lgtm.
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Never trust a computer, one day, it may think you are the virus. -- Compn
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