ci2 starts bisection 2023-02-28 07:41:21.082366106 +0000 UTC m=+37568.154326602 bisecting fixing commit since 3949d16100044eeb6723eca03b1038b469fb9ae8 building syzkaller on 9dfcf09cf38eb123a007af28c5ee2562718893a0 ensuring issue is reproducible on original commit 3949d16100044eeb6723eca03b1038b469fb9ae8 testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: b5cd50a2b6bbd55df1c515de9cbf73947d97e8abcd58135fdb3060a78eeda5f0 all runs: crashed: unregister_netdevice: waiting for DEV to become free testing current HEAD 7878a41b6cc1ada4bb804eee96beb2c54322806c testing commit 7878a41b6cc1ada4bb804eee96beb2c54322806c gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: fae899229e24fc21c6687cfc6b92109f5db43e1bc60d2572eba064169c2dc6e8 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 29m50.176273551s (build: 21m0.079552166s, test: 6m54.659616763s) the crash still happens on HEAD commit msg: Linux 4.14.307 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout