avcodec/diracdec: Fix integer overflow in INTRA_DC_PRED()
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 1 Sep 2017 17:56:10 +0000 (19:56 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 2 Sep 2017 21:50:28 +0000 (23:50 +0200)
commit2a0823ae966be3ad40e5dba6ec4c4dc1e8c6bcad
tree8cf812d81650aae3cfa74619cd6de8383fcd8b04
parent69e6877de8ad33a533379213d2b046a3dd4a446a
avcodec/diracdec: Fix integer overflow in INTRA_DC_PRED()

Fixes: runtime error: signed integer overflow: 1168175789 + 1168178473 cannot be represented in type 'int'
Fixes: 3081/clusterfuzz-testcase-minimized-4807564879462400
Fixes: 2844/clusterfuzz-testcase-minimized-5561715838156800

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/diracdec.c