Corpus Preservation and Syzbot

[Palash]

Hello all!

Can someone help me understand the following -

1. When syzbot does a new kernel build, what do we do with the previously generated corpus.db?

2. What compiler does the ci-qemu-upstream build in syzbot use for the kernel?

3. How often is the upstream Linux kernel built? I see the current ranges in Freshness varying from 1d00h to 5d09h on syzbot dashboard.

Thanks,

Palash