ci2 starts bisection 2023-01-29 01:06:45.061130517 +0000 UTC m=+472696.041713908 bisecting fixing commit since e911713e40ca73142b455ccfde2d7c0b0984c008 building syzkaller on ff68ff8f0e1a62984fe933655e14994ae3e16809 ensuring issue is reproducible on original commit e911713e40ca73142b455ccfde2d7c0b0984c008 testing commit e911713e40ca73142b455ccfde2d7c0b0984c008 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: c4b244cbdc13add09662a7ef41fcfa409fe1e80bf302ac06337f9edc6e7b182c 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: f189d6551220ebf5c2b97c9665db8f2b64b49a730b868f571ee6ec53aeb2d9b1 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 23m22.155559059s (build: 14m20.114442613s, test: 6m22.265958368s) the crash still happens on HEAD commit msg: Linux 4.14.304 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci0 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout