bisecting fixing commit since ff33472c282e209da54cbc0c7c1c06ddfcc93d33
building syzkaller on c85e1c5be98819e885698b690ac15a8d05ae38a6
testing commit ff33472c282e209da54cbc0c7c1c06ddfcc93d33 with gcc (GCC) 8.1.0
kernel signature: 31e9cf27ccac154d4cd365c57bd4dafff89715565b0cd5a0c48b1f66a192a1df
run #0: crashed: INFO: task hung in do_exit
run #1: crashed: INFO: task hung in do_exit
run #2: crashed: INFO: task hung in do_exit
run #3: crashed: INFO: task hung in do_exit
run #4: crashed: INFO: task hung in do_exit
run #5: crashed: INFO: task hung in do_exit
run #6: OK
run #7: OK
run #8: OK
run #9: OK
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: abe825832959a5e243358a200d0f97407377df06100c25936f41eb58362ea770
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 36m13.167295854s (build: 15m25.248111717s, test: 20m17.976254207s)
bisection is inconclusive, the first good commit could be any of:
ff33472c282e209da54cbc0c7c1c06ddfcc93d33
4139fb08c05fec734f85a99e8b7d99dc12b1b68c