bisecting fixing commit since 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
building syzkaller on 0ea7a8875d3f20d3bdf6323495521b62ef71878c
testing commit 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60 with gcc (GCC) 8.4.1 20210217
kernel signature: 5e9ec462df20516c805771b37cc2d5c654a20ab0e8b424920f5e27be5d515ed8
run #0: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #1: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #2: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #3: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #4: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #5: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #6: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #7: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #8: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #9: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #10: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #11: crashed: WARNING: ODEBUG bug in tipc_subscrb_subscrp_delete
run #12: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #13: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #14: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #15: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #16: crashed: WARNING: ODEBUG bug in tipc_subscrb_subscrp_delete
run #17: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #18: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #19: crashed: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
testing current HEAD 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85
testing commit 3d3abdc8ebd3c3082e4398fc73ceb4c852b66e85 with gcc (GCC) 8.4.1 20210217
kernel signature: 5bbbd19f9326f363d1bf4fe1a41423fc637b25a0e0a7372187b7014d9927ca87
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m42.590054116s (build: 14m58.198461912s, test: 6m22.247644664s)
the crash still happens on HEAD
commit msg: Linux 4.14.236
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout