bisecting fixing commit since f96eb53cbd76415edfba99c2cfa88567a885a428
building syzkaller on 3ce60af85b4644bd7f2d2ef01a7d2b9a41545b76
testing commit f96eb53cbd76415edfba99c2cfa88567a885a428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ff9a6f5105dab8a1ef77e8c1ebd8fa11ee830cd76ae317df25caf0a38b70f797
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 21ad423fe5210f5aa50bd43f9ae99b655090a227
testing commit 21ad423fe5210f5aa50bd43f9ae99b655090a227
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e767ad14828e72f88fbbce400652d29b729a059f30ddfd57b62eb33641c29a5e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m9.372931834s (build: 18m52.184461891s, test: 6m37.0372542s)
the crash still happens on HEAD
commit msg: Linux 4.14.265
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: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1