ci2 starts bisection 2022-09-01 20:04:41.976521331 +0000 UTC m=+21433.864440352
bisecting fixing commit since 9dfbac0e6b8600043de8dc85ed072f5f1342dc15
building syzkaller on a938f0b814c3578d9608be02ef72b45d2b10cf4b
testing commit 9dfbac0e6b8600043de8dc85ed072f5f1342dc15 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8d061e428712f450544ac6a72db7377f637284a349a5e9d2666a2481178707a1
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD e548869f356fead9fdcb3562f52d2226574f4f41
testing commit e548869f356fead9fdcb3562f52d2226574f4f41 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 71659b89ae30aef3cba90e57904096db3788498b836c879fb1a6526479bdc7c0
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m27.281265614s (build: 16m11.053682981s, test: 6m43.799094958s)
the crash still happens on HEAD
commit msg: Linux 4.14.291
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 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: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout