bisecting fixing commit since 87335852c5d9ec629f80bb2257b9a9945962b719
building syzkaller on a0092f9dfdd33924abe5cf5565e4ec4748217c7b
testing commit 87335852c5d9ec629f80bb2257b9a9945962b719
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: cb465d59726291ecf2f6aeaa86ab3a93fb4af7628239b8695938b4e36514071a
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #2: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #3: crashed: WARNING in pm_qos_remove_request
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: WARNING in pm_qos_remove_request
run #8: crashed: WARNING in pm_qos_remove_request
run #9: crashed: WARNING in pm_qos_remove_request
run #10: crashed: WARNING in pm_qos_remove_request
run #11: crashed: WARNING in pm_qos_remove_request
run #12: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #13: crashed: WARNING in pm_qos_remove_request
run #14: crashed: WARNING in pm_qos_remove_request
run #15: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #16: crashed: WARNING in pm_qos_remove_request
run #17: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #18: crashed: WARNING in pm_qos_remove_request
run #19: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
testing current HEAD f11944f1aa1cda3fd8b4edc71e3cf9dceb40234f
testing commit f11944f1aa1cda3fd8b4edc71e3cf9dceb40234f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b8bf4019841daa9b303b30b6c982f4dc154f5d29640b6ddf5b6367ecb6f2ea6a
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m59.639992788s (build: 18m37.513057224s, test: 7m31.063664358s)
the crash still happens on HEAD
commit msg: Linux 4.14.248
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout