ci2 starts bisection 2023-01-20 15:55:28.194576394 +0000 UTC m=+28783.067048715 bisecting fixing commit since 4edbf74132a4c9b78dc2ee61d31abef15200a781 building syzkaller on 0042f2b4c00ce1ceeaa44a0147909fe3a6f86c5c ensuring issue is reproducible on original commit 4edbf74132a4c9b78dc2ee61d31abef15200a781 testing commit 4edbf74132a4c9b78dc2ee61d31abef15200a781 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 24e782599f7910710205a084cc371d9e8d3d7139b064cd2f6593dcc81636cd11 all runs: crashed: unregister_netdevice: waiting for DEV to become free testing current HEAD 97205fccccdc5c145b77c434135ee8429b03ed98 testing commit 97205fccccdc5c145b77c434135ee8429b03ed98 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 5f67e7871158d66b2edc67fe03811860ead11d9ea6a4f51a0fe18c22a7c02538 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 22m27.819490042s (build: 14m21.775636887s, test: 6m40.97426899s) the crash still happens on HEAD commit msg: Linux 4.14.303 crash: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1