bisecting fixing commit since a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd
building syzkaller on 500c23397f34dde583da6d31f9d9fd21cae289f8
testing commit a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5fd692df4d5bd7402b0bef5ab1363bbed3f2c108071540f5dfa89bf27420c33d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD f96eb53cbd76415edfba99c2cfa88567a885a428
testing commit f96eb53cbd76415edfba99c2cfa88567a885a428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 401f3fb0829ebb374c7c9aea6599bc03c16e23b2723f5f7f05cf3dba3a61b002
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m29.0504011s (build: 19m33.438320659s, test: 6m31.441350194s)
the crash still happens on HEAD
commit msg: Linux 4.14.246
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout