bisecting fixing commit since 87335852c5d9ec629f80bb2257b9a9945962b719
building syzkaller on a0092f9dfdd33924abe5cf5565e4ec4748217c7b
testing commit 87335852c5d9ec629f80bb2257b9a9945962b719
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d188d809dcd1e5c0bf6f0268c7ba221a40fdcfb7970c7742620d314c8c70303f
run #0: crashed: WARNING in pm_qos_remove_request
run #1: crashed: WARNING in pm_qos_remove_request
run #2: crashed: WARNING in pm_qos_remove_request
run #3: crashed: WARNING in pm_qos_remove_request
run #4: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
run #5: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
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: BUG: unable to handle kernel paging request in pm_qos_update_target
run #10: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #11: crashed: INFO: trying to register non-static key in cancel_delayed_work_sync
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: BUG: unable to handle kernel paging request in pm_qos_update_target
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: WARNING in pm_qos_remove_request
testing current HEAD ce4d1565392b2dc8ea33032615c934c3dc6a32bb
testing commit ce4d1565392b2dc8ea33032615c934c3dc6a32bb
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7cc1282c2c61635aef9a2caa1eb98c80228281fc137c476fe9a805175f57d225
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m40.337989329s (build: 18m54.217554777s, test: 7m11.518017861s)
the crash still happens on HEAD
commit msg: Linux 4.14.241
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout