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: 0 PID: 1 at net/wireless/core.c:581 wiphy_verify_combinations net/wireless/core.c:581 [inline] WARNING: CPU: 0 PID: 1 at net/wireless/core.c:581 wiphy_register+0x14bf/0x2930 net/wireless/core.c:784 kobject: '(null)' (00000000c35dfa7f): kobject_cleanup, parent (null) Kernel panic - not syncing: panic_on_warn set ... kobject: '(null)' (00000000c35dfa7f): calling ktype release CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.20.0-rc5-next-20181203+ #152 kobject: '0:0:30:0' (0000000063af6dad): kobject_cleanup, parent (null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: kobject: '0:0:30:0' (0000000063af6dad): calling ktype release __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x632 kernel/panic.c:214 kobject: '(null)' (0000000037fecab5): kobject_cleanup, parent (null) __warn.cold.8+0x20/0x4f kernel/panic.c:571 kobject: '(null)' (0000000037fecab5): calling ktype release kobject: '(null)' (00000000e633d0f4): kobject_cleanup, parent (null) kobject: '(null)' (00000000e633d0f4): calling ktype release report_bug+0x254/0x2d0 lib/bug.c:186 kobject: '(null)' (0000000001cc03f1): kobject_cleanup, parent (null) fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 kobject: '(null)' (0000000001cc03f1): calling ktype release do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 kobject: '(null)' (00000000d570c477): kobject_cleanup, parent (null) kobject: '0:0:30:0': free name invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 kobject: 'target0:0:30' (00000000b4edf006): 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: 'target0:0:30' (00000000b4edf006): calling ktype release Code: f0 ff ff e8 f3 da 1f fa 0f 0b bb ea ff ff ff e9 71 f0 ff ff e8 e2 da 1f fa 0f 0b bb ea ff ff ff e9 60 f0 ff ff e8 d1 da 1f fa <0f> 0b bb ea ff ff ff e9 4f f0 ff ff e8 c0 da 1f fa 0f 0b bb ea ff kobject: 'target0:0:30': free name RSP: 0000:ffff8881d9a5f640 EFLAGS: 00010293 RAX: ffff8881d9a50040 RBX: 0000000000000001 RCX: ffffffff8760118b RDX: 0000000000000000 RSI: ffffffff8760170f RDI: 0000000000000001 RBP: ffff8881d9a5f7c8 R08: ffff8881d9a50040 R09: ffffed1039c920d0 R10: ffffed1039c920d0 R11: ffff8881ce490685 R12: 000000000000002f R13: ffffffff88f22700 R14: ffff8881ce4930f4 R15: 0000000000000000 kobject: '(null)' (00000000d570c477): calling ktype release kobject: '(null)' (000000002200ae73): kobject_cleanup, parent (null) kobject: '(null)' (000000002200ae73): calling ktype release ieee80211_register_hw+0x159b/0x3f10 net/mac80211/main.c:1109 mac80211_hwsim_new_radio+0x2110/0x35a0 drivers/net/wireless/mac80211_hwsim.c:2920 init_mac80211_hwsim+0x6e1/0x8cc drivers/net/wireless/mac80211_hwsim.c:3888 do_one_initcall+0x145/0x957 init/main.c:892 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 kernel_init+0x11/0x1ae init/main.c:1059 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..