bisecting fixing commit since 87335852c5d9ec629f80bb2257b9a9945962b719
building syzkaller on a0092f9dfdd33924abe5cf5565e4ec4748217c7b
testing commit 87335852c5d9ec629f80bb2257b9a9945962b719
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: efbd119ed26abefda3b63890bf53483ddb352e9c2cec54c75bbe463e92885bda
run #0: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #1: crashed: WARNING in pm_qos_remove_request
run #2: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #3: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #4: crashed: WARNING in pm_qos_remove_request
run #5: crashed: WARNING in pm_qos_remove_request
run #6: crashed: WARNING in pm_qos_remove_request
run #7: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: WARNING in pm_qos_remove_request
run #10: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #11: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #12: crashed: WARNING in pm_qos_remove_request
run #13: crashed: WARNING in pm_qos_remove_request
run #14: crashed: WARNING in pm_qos_remove_request
run #15: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #16: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #17: crashed: WARNING in pm_qos_remove_request
run #18: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #19: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
testing current HEAD bbb957e1bd4a337c0d10d599d284a7475bca47cb
testing commit bbb957e1bd4a337c0d10d599d284a7475bca47cb
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 65decaa96c33e5a859a9e307c7a5bdd2b7877470d2f9cfa530e9a95bc2714176
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m47.542090855s (build: 19m21.169414853s, test: 7m47.874163628s)
the crash still happens on HEAD
commit msg: Linux 4.14.263
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout