bisecting fixing commit since 12cd844a39ed16aa183a820a54fe6f9a0bb4cd14
building syzkaller on 97bc55cead011ec5d60af8c3696ee2724b78fea5
testing commit 12cd844a39ed16aa183a820a54fe6f9a0bb4cd14 with gcc (GCC) 8.1.0
kernel signature: 1388cad1767e25ae51044b51d7572a6004500135ef7d3260fc3c6394d74c3b54
all runs: crashed: WARNING: suspicious RCU usage in tcp_md5_do_lookup
testing current HEAD 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1
testing commit 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 with gcc (GCC) 8.1.0
kernel signature: fda235e93fba76a763cb95ba55a6642894d49eb122a7560dddbf5d0f53185dcb
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 39m11.336150633s (build: 17m18.20566542s, test: 20m53.723703001s)
bisection is inconclusive, the first good commit could be any of:
12cd844a39ed16aa183a820a54fe6f9a0bb4cd14
56dfe6252c6823c486ce4b1a922d72abc7e3c6b1