bisecting fixing commit since ce4d1565392b2dc8ea33032615c934c3dc6a32bb
building syzkaller on 6c236867ce33c0c16b102e02a08226d7eb9b2046
testing commit ce4d1565392b2dc8ea33032615c934c3dc6a32bb
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5f4a2f41d4a0efc4194a9dbed3bd7ffd3cad6136f684acb8c10b4c27525c0ea8
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 74766a973637a02c32c04c1c6496e114e4855239
testing commit 74766a973637a02c32c04c1c6496e114e4855239
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6e0b821c043b6dcd87b6eaeebcbde82b00c57dd427e3a4332b65c3f9f33b8a66
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m33.994724146s (build: 16m8.206745279s, test: 6m2.728967348s)
the crash still happens on HEAD
commit msg: Linux 4.14.275
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: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout