bisecting fixing commit since 2c8a3fceddf0dd87f278e7a5e01350f86f844b1c
building syzkaller on fc9fd31ee7998c8b747752791000ea4eef07b5c6
testing commit 2c8a3fceddf0dd87f278e7a5e01350f86f844b1c
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 14d4412da382ca234d128a4be7a890e18a153264b1b7e5f095b1ff82d45124de
all runs: crashed: BUG: looking up invalid subclass: 8
testing current HEAD ce4d1565392b2dc8ea33032615c934c3dc6a32bb
testing commit ce4d1565392b2dc8ea33032615c934c3dc6a32bb
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 451a0d1595db8303bb0605e2b2f65598c6e8f8f0546b669baefc2fd3a86ca577
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m5.071373463s (build: 15m22.389726833s, test: 6m18.439248494s)
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: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout