bisecting fixing commit since a844dc4c544291470aa69edbe2434b040794e269
building syzkaller on eef6e5808d6507716d331b9eff67fdd991be891a
testing commit a844dc4c544291470aa69edbe2434b040794e269 with gcc (GCC) 8.1.0
kernel signature: 5022dd61b63558a04e8d4f1886fa2b28b0c036ef614f71335bd720a46510e5d5
all runs: crashed: KASAN: use-after-free Read in fbcon_cursor
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: 4683a5d866f1b192c184ee66bf83dd1732fec5a3b8eba3bca5f26877da63264e
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 31m56.912188015s (build: 16m5.639539286s, test: 15m3.629804316s)
bisection is inconclusive, the first good commit could be any of:
a844dc4c544291470aa69edbe2434b040794e269
4139fb08c05fec734f85a99e8b7d99dc12b1b68c