bisecting fixing commit since ab9dfda232481dcfaf549ce774004d116fc80c13
building syzkaller on 37bccd4ed9e71025cd84e857f9ffca4ec8451c6b
testing commit ab9dfda232481dcfaf549ce774004d116fc80c13 with gcc (GCC) 8.1.0
kernel signature: 07c281fdf9b3b9b928250452bf08bd6ed837f7f6e8d961845e6a409f22776d82
run #0: crashed: KASAN: use-after-free Read in l2cap_chan_close
run #1: crashed: KASAN: use-after-free Write in ex_handler_refcount
run #2: crashed: KASAN: use-after-free Read in l2cap_chan_close
run #3: crashed: KASAN: use-after-free Read in l2cap_chan_close
run #4: crashed: KASAN: use-after-free Read in l2cap_chan_close
run #5: crashed: KASAN: use-after-free Read in l2cap_chan_close
run #6: crashed: KASAN: use-after-free Read in l2cap_chan_close
run #7: crashed: KASAN: use-after-free Read in l2cap_chan_close
run #8: crashed: KASAN: use-after-free Write in ex_handler_refcount
run #9: crashed: KASAN: use-after-free Write in ex_handler_refcount
testing current HEAD 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1
testing commit 56dfe6252c6823c486ce4b1a922d72abc7e3c6b1 with gcc (GCC) 8.1.0
kernel signature: 560bcd39f259eb01a539ebae2cfc49ef32bdaf4be88ba8a9578f3236fe61f141
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 32m57.855936283s (build: 18m23.966303743s, test: 13m44.330091564s)
bisection is inconclusive, the first good commit could be any of:
ab9dfda232481dcfaf549ce774004d116fc80c13
56dfe6252c6823c486ce4b1a922d72abc7e3c6b1