bisecting fixing commit since 98db2bf27b9ed2d5ed0b6c9c8a4bfcb127a19796
building syzkaller on 5d7b90f1af2e3bf33992b75e7fcf0bab6bf49bd6
testing commit 98db2bf27b9ed2d5ed0b6c9c8a4bfcb127a19796 with gcc (GCC) 8.1.0
kernel signature: 32a24136083abab57864c8d660e7505ab80d9e05f63ae76cd765df69949e1b85
all runs: crashed: KASAN: null-ptr-deref Read in do_con_trol
testing current HEAD 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1
testing commit 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 with gcc (GCC) 8.1.0
kernel signature: f31a3331cee63b23203cc932332ca3d0297b8e12b2d96b1cba3c2b5da546035c
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 30m58.079163704s (build: 16m26.712066584s, test: 13m48.008637804s)
bisection is inconclusive, the first good commit could be any of:
98db2bf27b9ed2d5ed0b6c9c8a4bfcb127a19796
56dfe6252c6823c486ce4b1a922d72abc7e3c6b1