bisecting fixing commit since e1f7d50ae3a3ec342e87a9b1ce6787bfb8b3c08b
building syzkaller on af6b8ef8f18c45343685f0ee7af9dd3a4b2b5d95
testing commit e1f7d50ae3a3ec342e87a9b1ce6787bfb8b3c08b with gcc (GCC) 8.1.0
kernel signature: d9ead5624a1e052ff1b2bd84d659f1c79f50e7f6c20b67f7559dfacd12b4df40
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 lock_sock_nested
run #4: crashed: KASAN: use-after-free Read in pppol2tp_session_close
run #5: crashed: KASAN: use-after-free Write in ex_handler_refcount
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 Write in ex_handler_refcount
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: 08a68c7f03da8212f8c88658fecbd973ca4201eb0af2e6404467258bcdcc2972
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
revisions tested: 2, total time: 31m25.936124849s (build: 16m23.199612453s, test: 14m36.087542018s)
bisection is inconclusive, the first good commit could be any of:
e1f7d50ae3a3ec342e87a9b1ce6787bfb8b3c08b
4139fb08c05fec734f85a99e8b7d99dc12b1b68c