bisecting fixing commit since 87335852c5d9ec629f80bb2257b9a9945962b719
building syzkaller on a0092f9dfdd33924abe5cf5565e4ec4748217c7b
testing commit 87335852c5d9ec629f80bb2257b9a9945962b719
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 466793f5553e6e784020dfaedda774387ec4e2299f0ada7d869ba9e4cc960cc9
run #0: crashed: WARNING in pm_qos_remove_request
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: BUG: unable to handle kernel paging request in pm_qos_update_target
run #4: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #5: crashed: WARNING in pm_qos_remove_request
run #6: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #7: crashed: WARNING in pm_qos_remove_request
run #8: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
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: WARNING in pm_qos_remove_request
run #16: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #17: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #18: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #19: crashed: WARNING in pm_qos_remove_request
testing current HEAD fa33f9094f36943ea32f7fbe323293b62e96151d
testing commit fa33f9094f36943ea32f7fbe323293b62e96151d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 89901a2dab02bb32d02847a4d92d8a05f004061985fc45a000dea73029f595e9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m36.006796606s (build: 18m38.736625778s, test: 7m18.255264012s)
the crash still happens on HEAD
commit msg: Linux 4.14.268
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 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: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout