ci2 starts bisection 2023-01-28 10:31:47.40864767 +0000 UTC m=+420198.389231061 bisecting fixing commit since 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 building syzkaller on b31320fc8f3519e40494f64ebf77c13d16284bfd ensuring issue is reproducible on original commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7f845f3fb5cafb607fe9832c642a259b2a2fde5d0f21f00bb4d88d3c0c7fbef3 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: 3bda97e22c589fe826488df9b3ed21c7af698f97faadb660e2bbcb1307516196 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 41m11.143327012s (build: 31m30.933023125s, test: 7m4.077075061s) 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