avcodec/svq3: Fix overflow in svq3_add_idct_c()
authorMichael Niedermayer <michael@niedermayer.cc>
Mon, 18 Sep 2017 15:03:55 +0000 (17:03 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 24 Sep 2017 00:40:59 +0000 (02:40 +0200)
commit6b66cd8c40df5e5837997dafc799056607ce4861
tree42d15f1ba61e8052307ac282cf0cf659bdac2f6c
parentab2d991382c2cb8c7e319f804eb6b83ad863c1a0
avcodec/svq3: Fix overflow in svq3_add_idct_c()

Fixes: runtime error: signed integer overflow: 2147392585 + 524288 cannot be represented in type 'int'
Fixes: 3348/clusterfuzz-testcase-minimized-4809500517203968

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 2c933c51687db958d8045d25ed87848342e869f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/svq3.c