bisecting fixing commit since e3c1b27308ae0472f27e07903181d6abfe0cb1d7
building syzkaller on 55565fa0377f97cf09bfab365707e08b0156c11b
testing commit e3c1b27308ae0472f27e07903181d6abfe0cb1d7 with gcc (GCC) 8.1.0
kernel signature: 75a2e45ba5a961cf8bb0d9e2b075a5cf1c09d5978eeb266e6d54c6e189659242
all runs: crashed: WARNING in ovl_create_or_link
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: 634f63d2deeee025763190878956ac64754a1970de7d2ca288fb50f7901adbfe
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 29m16.741050791s (build: 15m9.366382751s, test: 13m37.086706881s)
bisection is inconclusive, the first good commit could be any of:
e3c1b27308ae0472f27e07903181d6abfe0cb1d7
4139fb08c05fec734f85a99e8b7d99dc12b1b68c