bisecting fixing commit since f6e27dbb1afabcba436e346d6aa88a592a1436bb
building syzkaller on e38a6630eb6b89a4b3c344dc62ecb3b60f078028
testing commit f6e27dbb1afabcba436e346d6aa88a592a1436bb with gcc (GCC) 8.1.0
kernel signature: 97c124b12a8bf95aa0031e48c0156e32d2317f9bf6d4ef07e4649f578d53f408
run #0: crashed: KASAN: use-after-free Read in pppol2tp_session_close
run #1: crashed: KASAN: use-after-free Read in pppol2tp_session_close
run #2: crashed: KASAN: use-after-free Read in pppol2tp_session_close
run #3: crashed: KASAN: use-after-free Read in pppol2tp_session_close
run #4: crashed: KASAN: use-after-free Read in l2tp_session_create
run #5: crashed: KASAN: use-after-free Read in l2tp_session_create
run #6: crashed: KASAN: use-after-free Read in pppol2tp_session_close
run #7: crashed: KASAN: use-after-free Read in pppol2tp_session_close
run #8: crashed: KASAN: use-after-free Read in pppol2tp_session_close
run #9: crashed: KASAN: use-after-free Read in pppol2tp_session_close
testing current HEAD 4139fb08c05fec734f85a99e8b7d99dc12b1b68c
testing commit 4139fb08c05fec734f85a99e8b7d99dc12b1b68c with gcc (GCC) 8.1.0
kernel signature: 6f3e3a2c2833a53d1172e4ed231a4afc83916156a34fd065655bb98a16b45a40
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 29m43.969133129s (build: 15m31.973534715s, test: 13m42.579811153s)
bisection is inconclusive, the first good commit could be any of:
f6e27dbb1afabcba436e346d6aa88a592a1436bb
4139fb08c05fec734f85a99e8b7d99dc12b1b68c