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authorMichael Niedermayer <michael@niedermayer.cc>2017-05-16 23:44:24 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-06-02 01:14:38 +0200
commitb7b28b6aadd43f0feea81f09272e6b4e0f2a0ca1 (patch)
tree3954e42afecefcbb32b9977dd9e8c73037d7c8e5 /libavcodec/hq_hqa.c
parent21d50c185db03349282bc718f8aa4b7bb3d355a2 (diff)
downloadffmpeg-b7b28b6aadd43f0feea81f09272e6b4e0f2a0ca1.tar.gz
avcodec/hq_hqa: Fix: runtime error: signed integer overflow: -255 * 10180917 cannot be represented in type 'int'
Fixes: 1626/clusterfuzz-testcase-minimized-6416580571299840 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 3d9cb583c8f005a260d255853ef5f1c21e8599a0) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/hq_hqa.c')
-rw-r--r--libavcodec/hq_hqa.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/hq_hqa.c b/libavcodec/hq_hqa.c
index 80dc6b5d40..f88ad7d5f5 100644
--- a/libavcodec/hq_hqa.c
+++ b/libavcodec/hq_hqa.c
@@ -83,7 +83,7 @@ static int hq_decode_block(HQContext *c, GetBitContext *gb, int16_t block[64],
pos += ff_hq_ac_skips[val];
if (pos >= 64)
break;
- block[ff_zigzag_direct[pos]] = (ff_hq_ac_syms[val] * q[pos]) >> 12;
+ block[ff_zigzag_direct[pos]] = (int)(ff_hq_ac_syms[val] * (unsigned)q[pos]) >> 12;
pos++;
}