bisecting fixing commit since 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
building syzkaller on 0ea7a8875d3f20d3bdf6323495521b62ef71878c
testing commit 2f166cdcf8a92fcf85524f2b5526cb28e16f0a60
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 26a175f5937cff29035b825852fb36ec21708a8822a7a7f426f1b497e53d52b4
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: WARNING: ODEBUG bug in tipc_subscrb_subscrp_delete
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 66722c42ec916e92cadda46316f8f6e3fdcaedc6
testing commit 66722c42ec916e92cadda46316f8f6e3fdcaedc6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 82cfa31786b8b776938c610f23555854ff1a41174a4185d174911d2c25157bc1
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m18.687293307s (build: 19m54.465176323s, test: 6m48.261507712s)
the crash still happens on HEAD
commit msg: Linux 4.14.256
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout