bisecting fixing commit since db1892238c55c5138801f131a837ccd0056f002e
building syzkaller on f3f7d9c8c3dfa1406a5f5a5f5f45a351f533139f
testing commit db1892238c55c5138801f131a837ccd0056f002e with gcc (GCC) 8.1.0
kernel signature: 9448e09464746844b099569287a55bbd4b2ce3c5ce66730bd7baea00e90fcbac
run #0: crashed: possible deadlock in sfb_change
run #1: crashed: possible deadlock in pie_timer
run #2: crashed: possible deadlock in sfb_change
run #3: crashed: possible deadlock in sfb_change
run #4: crashed: possible deadlock in sfb_change
run #5: crashed: possible deadlock in sfb_change
run #6: crashed: possible deadlock in sfb_change
run #7: crashed: possible deadlock in sfb_change
run #8: crashed: possible deadlock in sfb_change
run #9: crashed: possible deadlock in sfb_change
testing current HEAD 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1
testing commit 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 with gcc (GCC) 8.1.0
kernel signature: 1b0e7c603170d43a9eeba218d48022d93331c900afcac08596bbba12caefe0d0
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 37m53.73351088s (build: 15m32.282823118s, test: 21m27.05098481s)
bisection is inconclusive, the first good commit could be any of:
db1892238c55c5138801f131a837ccd0056f002e
56dfe6252c6823c486ce4b1a922d72abc7e3c6b1