R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016 R13: 00000000004c115e R14: 00000000004d1320 R15: 000000000000002b mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ------------[ cut here ]------------ kernfs: ns required in 'ieee80211' for 'phy548' WARNING: CPU: 0 PID: 3469 at fs/kernfs/dir.c:759 kernfs_add_one+0x675/0xab0 fs/kernfs/dir.c:758 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3469 Comm: syz-executor0 Not tainted 4.17.0+ #22 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:113 panic+0x3d0/0x9b0 kernel/panic.c:184 __warn+0x40f/0x580 kernel/panic.c:536 report_bug+0x72a/0x880 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0x1c1/0x620 arch/x86/kernel/traps.c:298 do_invalid_op+0x46/0x50 arch/x86/kernel/traps.c:317 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:999 RIP: 0010:kernfs_add_one+0x675/0xab0 fs/kernfs/dir.c:758 RSP: 0018:ffff88004bf9ef40 EFLAGS: 00010286 RAX: 000000000000002f RBX: ffff88005f2df6b0 RCX: 0000000000000000 RDX: ffffc90001893000 RSI: 0000000000031129 RDI: 000000000003112a RBP: ffff88004bf9efe8 R08: 0000000001080020 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffff865548a0 R12: ffff88012cd62620 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88004dc89120 kernfs_create_link+0x1e0/0x320 fs/kernfs/symlink.c:41 sysfs_do_create_link_sd+0x19d/0x360 fs/sysfs/symlink.c:43 sysfs_do_create_link fs/sysfs/symlink.c:79 [inline] sysfs_create_link+0x125/0x190 fs/sysfs/symlink.c:91 device_add_class_symlinks drivers/base/core.c:1612 [inline] device_add+0x1564/0x2cb0 drivers/base/core.c:1810 wiphy_register+0x2475/0x3180 net/wireless/core.c:809 ieee80211_register_hw+0x39ab/0x49d0 net/mac80211/main.c:1047 mac80211_hwsim_new_radio+0x2e99/0x4cf0 drivers/net/wireless/mac80211_hwsim.c:2772 hwsim_new_radio_nl+0xa8d/0xda0 drivers/net/wireless/mac80211_hwsim.c:3247 genl_family_rcv_msg net/netlink/genetlink.c:599 [inline] genl_rcv_msg+0x16c1/0x1850 net/netlink/genetlink.c:624 netlink_rcv_skb+0x37e/0x600 net/netlink/af_netlink.c:2448 genl_rcv+0x63/0x80 net/netlink/genetlink.c:635 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x1680/0x1750 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x104f/0x1350 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:629 [inline] sock_sendmsg net/socket.c:639 [inline] ___sys_sendmsg+0xec8/0x1320 net/socket.c:2117 __sys_sendmsg net/socket.c:2155 [inline] __do_sys_sendmsg net/socket.c:2164 [inline] __se_sys_sendmsg net/socket.c:2162 [inline] __x64_sys_sendmsg+0x331/0x460 net/socket.c:2162 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455ba9 RSP: 002b:00007ff4fa40ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff4fa40f6d4 RCX: 0000000000455ba9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000015 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016 R13: 00000000004c115e R14: 00000000004d1320 R15: 000000000000002b Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..