ci2 starts bisection 2023-03-03 00:18:23.068005846 +0000 UTC m=+101318.006695178 bisecting fixing commit since 3949d16100044eeb6723eca03b1038b469fb9ae8 building syzkaller on b68fb8d69510beaf086b016606202badcfd2eda0 ensuring issue is reproducible on original commit 3949d16100044eeb6723eca03b1038b469fb9ae8 testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 490f5f14fa140a25e6eede17b31ab2f4ae794f495d43b2cfb45e9301cdb3cac6 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: 4c9e124173adb376626d03a87c486273f61f1a6ba3da3a0ad6a4a19dd75c3f3d all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 23m13.832166503s (build: 14m16.995641722s, test: 6m41.298104383s) the crash still happens on HEAD commit msg: Linux 4.14.307 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci5 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: hci5 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout