ci2 starts bisection 2023-02-03 09:18:49.6432484 +0000 UTC m=+25220.511891421
bisecting fixing commit since dffb5c6ff09c51ed585e3e7665143df103867fc8
building syzkaller on e7f9308d43198223b192f94a7030f9ebdf92e551
ensuring issue is reproducible on original commit dffb5c6ff09c51ed585e3e7665143df103867fc8

testing commit dffb5c6ff09c51ed585e3e7665143df103867fc8 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0254502337ce792dc7ebafcefa39d966bf3148a1b3483ca613f02953cc269f45
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 3949d16100044eeb6723eca03b1038b469fb9ae8
testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 774412b62e6a5c2777d0479b8e67874bc7ba1deeb85f98ae5dd1c5f41499ee3e
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 35m40.66208513s (build: 26m17.129571129s, test: 6m21.60891674s)
the crash still happens on HEAD
commit msg: Linux 4.14.304
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout