bisecting fixing commit since 2bf3258a12af6508d9c0cf17bfa895c5650d2dbb
building syzkaller on 442206d76b974cca2d83ec763d4cf5ee829eb7d6
testing commit 2bf3258a12af6508d9c0cf17bfa895c5650d2dbb with gcc (GCC) 8.1.0
kernel signature: 6850fd9f961674eb1413f7277ae28893042add4c0496d864cf9c5b957d7846ea
all runs: crashed: possible deadlock in SYSC_perf_event_open
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: 47df58986b64b66ac94e22804340c7abdc07e530dd554becf3833a8f49972263
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 29m15.133061818s (build: 15m7.483908921s, test: 13m39.66110751s)
bisection is inconclusive, the first good commit could be any of:
2bf3258a12af6508d9c0cf17bfa895c5650d2dbb
4139fb08c05fec734f85a99e8b7d99dc12b1b68c