bisecting fixing commit since 0cc244011f40280b78fc344d5c2aac5a0c659f77
building syzkaller on 6a81331a1d4c744da9204d02ec88d558f7eea9c9
testing commit 0cc244011f40280b78fc344d5c2aac5a0c659f77
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a50f72c43ab25ea33f673e150826f394408b9bcc76e75d54623d88957ecb49a2
run #0: crashed: general protection fault in try_to_wake_up
run #1: crashed: general protection fault in try_to_wake_up
run #2: crashed: general protection fault in try_to_wake_up
run #3: crashed: general protection fault in try_to_wake_up
run #4: crashed: general protection fault in try_to_wake_up
run #5: crashed: general protection fault in try_to_wake_up
run #6: crashed: general protection fault in try_to_wake_up
run #7: crashed: general protection fault in try_to_wake_up
run #8: crashed: general protection fault in try_to_wake_up
run #9: crashed: general protection fault in try_to_wake_up
run #10: crashed: general protection fault in try_to_wake_up
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 74766a973637a02c32c04c1c6496e114e4855239
testing commit 74766a973637a02c32c04c1c6496e114e4855239
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f807fbe33a380d3fd7d1b23b9dea07ba4c8d492fc506fdd6e8816150010346b9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m35.284289201s (build: 17m7.22076746s, test: 13m56.397380872s)
the crash still happens on HEAD
commit msg: Linux 4.14.275
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout