WARNING in wiphy_registerNET: Registered protocol family 24 PPTP driver version 0.8.5 usbcore: registered new interface driver lbtf_usb usbcore: registered new interface driver rndis_wlan mac80211_hwsim: initializing netlink WARNING: CPU: 1 PID: 1 at net/wireless/core.c:581 wiphy_verify_combinations net/wireless/core.c:581 [inline] WARNING: CPU: 1 PID: 1 at net/wireless/core.c:581 wiphy_register+0x14bf/0x2930 net/wireless/core.c:784 kobject: '0:0:40:0' (00000000b10e2b11): kobject_cleanup, parent (null) Kernel panic - not syncing: panic_on_warn set ... kobject: '0:0:40:0' (00000000b10e2b11): calling ktype release CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.20.0-rc3-next-20181123+ #138 kobject: '0:0:40:0': free name Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: kobject: '(null)' (000000003831eeac): kobject_cleanup, parent (null) __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 kobject: '(null)' (000000003831eeac): calling ktype release kobject: '0:0:40:0' (000000001ef009ec): kobject_cleanup, parent (null) panic+0x2ad/0x55f kernel/panic.c:189 kobject: '0:0:40:0' (000000001ef009ec): calling ktype release __warn.cold.8+0x20/0x52 kernel/panic.c:544 kobject: '(null)' (000000000fadf95b): kobject_cleanup, parent (null) kobject: '(null)' (000000000fadf95b): calling ktype release kobject: '(null)' (0000000000b6277a): kobject_cleanup, parent (null) report_bug+0x254/0x2d0 lib/bug.c:186 kobject: '(null)' (0000000000b6277a): calling ktype release fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 kobject: '(null)' (00000000a175679d): kobject_cleanup, parent (null) RIP: 0010:wiphy_verify_combinations net/wireless/core.c:581 [inline] RIP: 0010:wiphy_register+0x14bf/0x2930 net/wireless/core.c:784 kobject: '(null)' (00000000a175679d): calling ktype release Code: f0 ff ff e8 03 57 22 fa 0f 0b bb ea ff ff ff e9 71 f0 ff ff e8 f2 56 22 fa 0f 0b bb ea ff ff ff e9 60 f0 ff ff e8 e1 56 22 fa <0f> 0b bb ea ff ff ff e9 4f f0 ff ff e8 d0 56 22 fa 0f 0b bb ea ff kobject: '(null)' (000000004c4ed87f): kobject_cleanup, parent (null) RSP: 0000:ffff8881d9a5f640 EFLAGS: 00010293 kobject: '(null)' (000000004c4ed87f): calling ktype release RAX: ffff8881d9a50040 RBX: 0000000000000001 RCX: ffffffff875d6f0b RDX: 0000000000000000 RSI: ffffffff875d748f RDI: 0000000000000001 kobject: '(null)' (00000000222f868d): kobject_cleanup, parent (null) RBP: ffff8881d9a5f7c8 R08: ffff8881d9a50040 R09: ffffed1039cbf0d0 R10: ffffed1039cbf0d0 R11: ffff8881ce5f8685 R12: 000000000000002f R13: ffffffff88d1dc40 R14: ffff8881ce5fb0f4 R15: 0000000000000000 kobject: '0:0:40:0': free name kobject: 'target0:0:40' (000000007982f08b): kobject_cleanup, parent (null) kobject: 'target0:0:40' (000000007982f08b): calling ktype release kobject: 'target0:0:40': free name kobject: '(null)' (00000000222f868d): calling ktype release ieee80211_register_hw+0x159b/0x3f10 net/mac80211/main.c:1109 kobject: '0:0:41:0' (00000000c8b07801): kobject_cleanup, parent (null) mac80211_hwsim_new_radio+0x2110/0x35a0 drivers/net/wireless/mac80211_hwsim.c:2920 kobject: '0:0:41:0' (00000000c8b07801): calling ktype release kobject: '0:0:41:0': free name kobject: '(null)' (000000003c7596f3): kobject_cleanup, parent (null) kobject: '(null)' (000000003c7596f3): calling ktype release kobject: '0:0:41:0' (0000000069cdf027): kobject_cleanup, parent (null) kobject: '0:0:41:0' (0000000069cdf027): calling ktype release kobject: '(null)' (00000000d1dc55bb): kobject_cleanup, parent (null) kobject: '(null)' (00000000d1dc55bb): calling ktype release kobject: '(null)' (00000000d840dc3f): kobject_cleanup, parent (null) kobject: '(null)' (00000000d840dc3f): calling ktype release kobject: '(null)' (00000000c3b90a9c): kobject_cleanup, parent (null) kobject: '(null)' (00000000c3b90a9c): calling ktype release init_mac80211_hwsim+0x6e1/0x8cc drivers/net/wireless/mac80211_hwsim.c:3888 kobject: '(null)' (000000001d14b3d1): kobject_cleanup, parent (null) kobject: '0:0:41:0': free name kobject: 'target0:0:41' (00000000bff8e493): kobject_cleanup, parent (null) kobject: 'target0:0:41' (00000000bff8e493): calling ktype release kobject: 'target0:0:41': free name do_one_initcall+0x145/0x957 init/main.c:892 kobject: '(null)' (000000001d14b3d1): calling ktype release kobject: '(null)' (000000006c8f2efa): kobject_cleanup, parent (null) kobject: '(null)' (000000006c8f2efa): calling ktype release kobject: '0:0:42:0' (0000000062e4867b): kobject_cleanup, parent (null) kobject: '0:0:42:0' (0000000062e4867b): calling ktype release do_initcall_level init/main.c:960 [inline] do_initcalls init/main.c:968 [inline] do_basic_setup init/main.c:986 [inline] kernel_init_freeable+0x5cc/0x6ba init/main.c:1139 kobject: '0:0:42:0': free name kobject: '(null)' (00000000b61d7df7): kobject_cleanup, parent (null) kernel_init+0x11/0x1ae init/main.c:1059 kobject: '(null)' (00000000b61d7df7): calling ktype release ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..