avcodec/error_resilience: Fix integer overflow in filter181()
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 22 Apr 2018 19:46:05 +0000 (21:46 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 9 Jul 2018 23:52:55 +0000 (01:52 +0200)
commit9a7a3b22625e361097579fc4183e1c1167c7ac5c
treeff331b492a4367a547e874ac6c5f48a6f7abf22b
parent1f057b23c70c249a7432dd493f7fd3c9104aae9f
avcodec/error_resilience: Fix integer overflow in filter181()

Fixes: runtime error: signed integer overflow: 197710 * 10923 cannot be represented in type 'int'
Fixes: 7010/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5667127596941312

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 1c97035e3b1677d6f0c5b6161ebfeffcf7bb638d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/error_resilience.c