bisecting fixing commit since c10b57a567e4333b9fdf60b5ec36de9859263ca2
building syzkaller on 3f3c557402456696073f79aafa65b4d7fa2b8794
testing commit c10b57a567e4333b9fdf60b5ec36de9859263ca2 with gcc (GCC) 8.1.0
kernel signature: fcd0d6e6e5d286d646c733015396c2c648b1cc9cbc886b67354cafd69f2562ae
all runs: crashed: possible deadlock in blocking_notifier_call_chain
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: bacab07bd683abed2090f8558ce51e27200dda950030c8c229e24f1265e454aa
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 29m57.177490693s (build: 15m40.417908774s, test: 13m48.82470365s)
bisection is inconclusive, the first good commit could be any of:
c10b57a567e4333b9fdf60b5ec36de9859263ca2
4139fb08c05fec734f85a99e8b7d99dc12b1b68c