bisecting fixing commit since ddef1e8e3f6eb26034833b7255e3fa584d54a230
building syzkaller on bc2c6e45b9f01fa6046cb3efa9d3aae9f05238a8
testing commit ddef1e8e3f6eb26034833b7255e3fa584d54a230 with gcc (GCC) 8.1.0
kernel signature: fcd7aaa442b4dc2cbfacad557aa31c6b456853bf439eed925e0939c2bf25a39e
all runs: crashed: KASAN: use-after-free Read in debugfs_remove
testing current HEAD 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1
testing commit 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 with gcc (GCC) 8.1.0
kernel signature: d20ebb9fce800c163f629196bf4a031dfa95a37171a68c18ee3d5755a80eb80d
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 33m28.865859899s (build: 17m53.088382112s, test: 14m27.212960332s)
bisection is inconclusive, the first good commit could be any of:
ddef1e8e3f6eb26034833b7255e3fa584d54a230
56dfe6252c6823c486ce4b1a922d72abc7e3c6b1