bisecting fixing commit since c6db52a88798e5a0dfef80041ad4d33cc8cf04eb
building syzkaller on 0d60b78a516c83f28e887f39bf211ff1de6d20b6
testing commit c6db52a88798e5a0dfef80041ad4d33cc8cf04eb with gcc (GCC) 8.1.0
kernel signature: 666a3d565b88b4099c294af34c0c42cfea86be83c2e69523d3c50577601017a5
all runs: crashed: KASAN: use-after-free Read in u32_destroy_key
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: 085da740b01042d319f9301a472eecd8bbc98ee1829aac1254c45eda987283d9
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 31m30.253473039s (build: 16m19.835611454s, test: 14m37.068935516s)
bisection is inconclusive, the first good commit could be any of:
c6db52a88798e5a0dfef80041ad4d33cc8cf04eb
4139fb08c05fec734f85a99e8b7d99dc12b1b68c