bisecting fixing commit since 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
building syzkaller on 0ea7a8875d3f20d3bdf6323495521b62ef71878c
testing commit 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f8ecdf15dc20e745372fd3741700069a7760adc3f8bdf1ba889b0efc91e24855
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: WARNING: ODEBUG bug in tipc_subscrb_subscrp_delete
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: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
run #12: crashed: KASAN: use-after-free Write in ex_handler_refcount
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: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
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 46914f96189be290174e378c6bf9ccadfdb9ca1e
testing commit 46914f96189be290174e378c6bf9ccadfdb9ca1e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6c5520b23fff9d23b15444b5cedaa8dc43a3b324e84e7dd572cc4cb004178a31
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m53.744750846s (build: 22m45.181368727s, test: 6m30.715069643s)
the crash still happens on HEAD
commit msg: Linux 4.14.243
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: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout