audit: type=1400 audit(1555000603.156:38): avc: denied { write } for pid=6995 comm="syz-executor043" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 sysfs: cannot create duplicate filename '/class/ieee80211/⫴vE V!v(juoi{ڿOWRS˖i!KQ3bf+͝' ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6997 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x31 fs/sysfs/dir.c:30 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6997 Comm: syz-executor043 Not tainted 4.14.111 #1 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+0x138/0x19c lib/dump_stack.c:53 panic+0x1f2/0x438 kernel/panic.c:182 __warn.cold+0x2f/0x34 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:944 RIP: 0010:sysfs_warn_dup.cold+0x17/0x31 fs/sysfs/dir.c:30 RSP: 0018:ffff888096c37220 EFLAGS: 00010286 RAX: 000000000000007a RBX: ffffffffffffffef RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a5e64b50 RDI: ffffed1012d86e3a RBP: ffff888096c37238 R08: 000000000000007a R09: ffff8880a5e64b70 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808f038e00 R13: ffff8880a7cadc40 R14: ffff8880a8e7c000 R15: 0000000000000001 sysfs_do_create_link_sd.isra.0+0xff/0x120 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:1621 [inline] device_add+0x737/0x1490 drivers/base/core.c:1823 wiphy_register+0x133c/0x1d20 net/wireless/core.c:809 ieee80211_register_hw+0x1152/0x2f30 net/mac80211/main.c:1055 mac80211_hwsim_new_radio+0x19a1/0x2980 drivers/net/wireless/mac80211_hwsim.c:2705 hwsim_new_radio_nl+0x3f2/0x62e drivers/net/wireless/mac80211_hwsim.c:3164 genl_family_rcv_msg+0x61c/0xc40 net/netlink/genetlink.c:600 genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x152/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x466/0x780 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xd0/0x110 net/socket.c:656 ___sys_sendmsg+0x70c/0x850 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x441219 RSP: 002b:00007fffc6caf468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441219 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 000000000000d6e0 R08: 00000000004002c8 R09: 00000000004002c8 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402040 R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..