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>
Wed, 25 Apr 2018 21:09:47 +0000 (23:09 +0200)
commit1c97035e3b1677d6f0c5b6161ebfeffcf7bb638d
tree6bf336189765c7676ffbd875eb48bb3f8534baa2
parentde841fbea7655b74a9663001e01008a86c88779a
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>
libavcodec/error_resilience.c