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authorMichael Niedermayer <michael@niedermayer.cc>2017-11-15 03:38:37 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2017-12-02 00:28:59 +0100
commita3606385f075170dd67d54dfe3ca6b760730fed2 (patch)
treeb75a8133292821bb76e8932cce03db16bd4681f2 /libavcodec
parentb9b4d34ecfdd49b9962491c32422b906e2f455ac (diff)
downloadffmpeg-a3606385f075170dd67d54dfe3ca6b760730fed2.tar.gz
avcodec/mlpdsp: Fix undefined shift ff_mlp_pack_output()
Fixes: runtime error: left shift of negative value -7862264 Fixes: 4074/clusterfuzz-testcase-minimized-4516104123711488 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 4f7f70738e8dd77a698a5e28bba552ea7064af21) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/mlpdsp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mlpdsp.c b/libavcodec/mlpdsp.c
index fbafa92d72..4e3a16c781 100644
--- a/libavcodec/mlpdsp.c
+++ b/libavcodec/mlpdsp.c
@@ -117,7 +117,7 @@ int32_t ff_mlp_pack_output(int32_t lossless_check_data,
(1U << output_shift[mat_ch]);
lossless_check_data ^= (sample & 0xffffff) << mat_ch;
if (is32)
- *data_32++ = sample << 8;
+ *data_32++ = sample * 256;
else
*data_16++ = sample >> 8;
}