bisecting fixing commit since a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd
building syzkaller on 500c23397f34dde583da6d31f9d9fd21cae289f8
testing commit a6b2dae3ee3a3f9f4db3fab5b4b9e493fecf4acd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8ff9a661e386d96caa97a871f91ade1a8075a5c9cbc33f2b5fa7890b6a30d034
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: 49f5d1f696a4a140da3833594df45158507b9d181c8396aee5c8c00ae0d20abb
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m53.201520127s (build: 22m55.040294734s, test: 6m4.325868285s)
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.
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 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: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 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
Bluetooth: hci5 command 0x0419 tx timeout