------------[ cut here ]------------ sysfs: cannot create duplicate filename '/class/ieee80211/ XvXhƴ#!' WARNING: CPU: 0 PID: 25781 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7e/0xa0 fs/sysfs/dir.c:30 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 25781 Comm: syz-executor7 Not tainted 4.15.0-rc7+ #187 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079 RIP: 0010:sysfs_warn_dup+0x7e/0xa0 fs/sysfs/dir.c:30 RSP: 0018:ffff8801d494ef20 EFLAGS: 00010286 RAX: dffffc0000000008 RBX: ffff8801d67ea680 RCX: ffffffff8159e15e RDX: 00000000000088fd RSI: ffffc90001969000 RDI: ffff8801db21f6d8 RBP: ffff8801d494ef38 R08: 1ffff1003a929d61 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c8c28940 R13: ffff8801d6f25620 R14: 0000000000000001 R15: ffffffffffffffef sysfs_do_create_link_sd.isra.2+0xf3/0x110 fs/sysfs/symlink.c:51 sysfs_do_create_link fs/sysfs/symlink.c:80 [inline] sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:92 device_add_class_symlinks drivers/base/core.c:1603 [inline] device_add+0x74a/0x1650 drivers/base/core.c:1801 wiphy_register+0x1468/0x2050 net/wireless/core.c:800 ieee80211_register_hw+0x1162/0x3100 net/mac80211/main.c:1041 mac80211_hwsim_new_radio+0x1b2e/0x2b90 drivers/net/wireless/mac80211_hwsim.c:2705 hwsim_new_radio_nl+0x5b7/0x7c0 drivers/net/wireless/mac80211_hwsim.c:3157 genl_family_rcv_msg+0x7b7/0xfb0 net/netlink/genetlink.c:599 genl_rcv_msg+0xb2/0x140 net/netlink/genetlink.c:624 netlink_rcv_skb+0x224/0x470 net/netlink/af_netlink.c:2441 genl_rcv+0x28/0x40 net/netlink/genetlink.c:635 netlink_unicast_kernel net/netlink/af_netlink.c:1308 [inline] netlink_unicast+0x4c4/0x6b0 net/netlink/af_netlink.c:1334 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1897 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2020 __sys_sendmsg+0xe5/0x210 net/socket.c:2054 SYSC_sendmsg net/socket.c:2065 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2061 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452cf9 RSP: 002b:00007f857add2c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f857add3700 RCX: 0000000000452cf9 RDX: 0000000000000000 RSI: 0000000020009fc8 RDI: 0000000000000013 RBP: 0000000000a2f870 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a2f7ef R14: 00007f857add39c0 R15: 0000000000000002 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..