ci2 starts bisection 2023-03-03 22:50:13.250683845 +0000 UTC m=+182428.189373166 bisecting fixing commit since c4215ee4771bb935727df2db097fd28f8d644b5c building syzkaller on 9da18ae8fa827d046ef8da48cc23c97418553c23 ensuring issue is reproducible on original commit c4215ee4771bb935727df2db097fd28f8d644b5c testing commit c4215ee4771bb935727df2db097fd28f8d644b5c gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 37ff25a34fffd21daae2f49edc3254d51b4bb147d9059449ca293e8f66d63ea0 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: d97bf6b159c7a305b80dbe9be7c59c96f55a097adb8e061c97fa56d92e5434ca all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 28m48.541652906s (build: 18m5.281558792s, test: 7m33.607855999s) the crash still happens on HEAD commit msg: Linux 4.14.307 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout