bisecting fixing commit since 0cc244011f40280b78fc344d5c2aac5a0c659f77
building syzkaller on 6a81331a1d4c744da9204d02ec88d558f7eea9c9
testing commit 0cc244011f40280b78fc344d5c2aac5a0c659f77 with gcc (GCC) 8.4.1 20210217
kernel signature: 033c9d1f8b352bcfdf9e8c175082c791c1c1eeb9eda153f4cfdd7898d125d0aa
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: crashed: general protection fault in try_to_wake_up
run #12: crashed: general protection fault in try_to_wake_up
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 4e68c9b0763ff55eaa69d6e519f07515f1c9037b
testing commit 4e68c9b0763ff55eaa69d6e519f07515f1c9037b with gcc (GCC) 8.4.1 20210217
kernel signature: 79a93c35566074df79735951dc49ce38872d332c01f476d7d7820844749afca9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m1.526755997s (build: 15m50.288148109s, test: 14m49.831568353s)
the crash still happens on HEAD
commit msg: Linux 4.14.239
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout