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authorMichael Niedermayer <michael@niedermayer.cc>2017-05-21 02:42:12 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-05-21 02:56:47 +0200
commit1d04fc94e1021b70e542dc01a48b8398c6fc6325 (patch)
tree4c79bd1f5fed38cf5917db125f13e2d2665e0f4b
parent384508b2ff69bc3fad1e1c2e7de0dcd0913c6208 (diff)
downloadffmpeg-1d04fc94e1021b70e542dc01a48b8398c6fc6325.tar.gz
avcodec/mlpdsp: Fix runtime error: signed integer overflow: -24419392 * 128 cannot be represented in type 'int'
Fixes: 1711/clusterfuzz-testcase-minimized-5248503515185152 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/mlpdsp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mlpdsp.c b/libavcodec/mlpdsp.c
index 2fc453c1f0..fbafa92d72 100644
--- a/libavcodec/mlpdsp.c
+++ b/libavcodec/mlpdsp.c
@@ -114,7 +114,7 @@ int32_t ff_mlp_pack_output(int32_t lossless_check_data,
for (out_ch = 0; out_ch <= max_matrix_channel; out_ch++) {
int mat_ch = ch_assign[out_ch];
int32_t sample = sample_buffer[i][mat_ch] *
- (1 << output_shift[mat_ch]);
+ (1U << output_shift[mat_ch]);
lossless_check_data ^= (sample & 0xffffff) << mat_ch;
if (is32)
*data_32++ = sample << 8;