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authorMichael Niedermayer <michael@niedermayer.cc>2019-09-09 20:05:09 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2019-10-02 14:49:04 +0200
commit9c84c162e9f9f000ef47d4fcd07354805f38d455 (patch)
tree0589f20f32f0fdb03032603e6b2a4b342c4ed7ee /libavfilter/setpts.c
parent9847380f5f5a3850ecc9f32fa310a7e5e3f703f7 (diff)
downloadffmpeg-9c84c162e9f9f000ef47d4fcd07354805f38d455.tar.gz
avcodec/g2meet: Check if adjusted pixel was on the stack
This basically checks if a pixel that was coded with prediction and residual could have been stored using a previous case. This avoids basically a string of 0 symbols stored in less than 50 bytes to hit a O(n²) codepath. Fixes: Timeout (too slow to wait -> immediately) Fixes: 8668/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-4895946310680576 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavfilter/setpts.c')
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