ci2 starts bisection 2023-03-02 00:25:17.324514583 +0000 UTC m=+15332.263203904 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: 2b4269b7caa54862ec6b2129a4f196b6ce79657b5a97b48bc82ecfbd06fbb5e1 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: 56fa95eadbdfa5657e341256d4ca89a5d1beb6eeca3203ccfc7c51a39429b387 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 30m19.758654597s (build: 20m0.325894943s, test: 6m45.357014834s) the crash still happens on HEAD commit msg: Linux 4.14.307 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