bisecting fixing commit since 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
building syzkaller on 0ea7a8875d3f20d3bdf6323495521b62ef71878c
testing commit 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60 with gcc (GCC) 8.4.1 20210217
kernel signature: 0805ce731a6d5e872a7278d88d2a0af679be39ef0b88759dd115b579134ca3d7
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: WARNING: ODEBUG bug in tipc_subscrb_subscrp_delete
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: KASAN: use-after-free Read in tipc_subscrb_rcv_cb
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: 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 4e68c9b0763ff55eaa69d6e519f07515f1c9037b
testing commit 4e68c9b0763ff55eaa69d6e519f07515f1c9037b with gcc (GCC) 8.4.1 20210217
kernel signature: b4a2826e2bbb3dc4dfe40b050089732e07b3150efc24bcec34273a6236a26df5
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m7.091396526s (build: 16m20.064982013s, test: 6m23.827568912s)
the crash still happens on HEAD
commit msg: Linux 4.14.239
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout