ci2 starts bisection 2022-11-21 19:35:31.282264324 +0000 UTC m=+1680.376768287 bisecting fixing commit since 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 building syzkaller on c0b80a55c9c8cfe75e77c555ed0d4ae7aa373cc2 ensuring issue is reproducible on original commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f0344b1c2398787409de2a25466e0e2b5a3d9351b284cca86e57017ffeb2f168 all runs: crashed: unregister_netdevice: waiting for DEV to become free testing current HEAD e911713e40ca73142b455ccfde2d7c0b0984c008 testing commit e911713e40ca73142b455ccfde2d7c0b0984c008 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: cce5fc225adb774745383a5948a1a95ca6f4a6deff173397ba2a814b6c1d8e7d all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 24m50.010615625s (build: 17m21.004057237s, test: 6m37.831751176s) the crash still happens on HEAD commit msg: Linux 4.14.299 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