bisecting fixing commit since 9fa690a2a016e1b55356835f047b952e67d3d73a
building syzkaller on 5ed23f9aa677d71bc60f61df8e05046151868541
testing commit 9fa690a2a016e1b55356835f047b952e67d3d73a with gcc (GCC) 8.1.0
kernel signature: 7ef54772e3f21a9b7df16c84663fab76ced190d0273b6c43a584c28176a6de45
all runs: crashed: possible deadlock in perf_event_release_kernel
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: f1353747233c06bd35caf51ef05174e964f9f562d51be5bd29d475d40ce143ba
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 31m2.439078502s (build: 16m25.975175126s, test: 14m3.984842382s)
bisection is inconclusive, the first good commit could be any of:
9fa690a2a016e1b55356835f047b952e67d3d73a
4139fb08c05fec734f85a99e8b7d99dc12b1b68c