------------[ cut here ]------------ WARNING: CPU: 1 PID: 5108 at fs/kernfs/dir.c:522 kernfs_get.part.0+0x69/0x80 fs/kernfs/dir.c:522 Modules linked in: CPU: 0 PID: 5108 Comm: syz-executor.3 Not tainted 6.2.0-rc6-next-20230131-syzkaller-09515-g80bd9028feca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:kernfs_get.part.0+0x69/0x80 fs/kernfs/dir.c:522 Code: 31 ff 89 ee e8 e8 65 7a ff 85 ed 74 18 e8 8f 69 7a ff be 04 00 00 00 48 89 df e8 a2 74 c9 ff f0 ff 03 5b 5d c3 e8 77 69 7a ff <0f> 0b eb df 48 89 df e8 eb 6d c9 ff eb c6 66 0f 1f 84 00 00 00 00 RSP: 0018:ffffc900040bef10 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888077931000 RCX: 0000000000000000 RDX: ffff888021c91d40 RSI: ffffffff820a4ca9 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880779310e8 R13: ffff88802b4c6028 R14: ffff8880222f2b50 R15: 0000000000000000 FS: 00005555572ee400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f167a621718 CR3: 00000000730ad000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kernfs_get fs/kernfs/dir.c:521 [inline] kernfs_new_node fs/kernfs/dir.c:676 [inline] kernfs_create_dir_ns+0xc4/0x230 fs/kernfs/dir.c:1029 sysfs_create_dir_ns+0x12b/0x290 fs/sysfs/dir.c:59 create_dir lib/kobject.c:63 [inline] kobject_add_internal+0x2c9/0x9c0 lib/kobject.c:231 kobject_add_varg lib/kobject.c:366 [inline] kobject_init_and_add+0x101/0x170 lib/kobject.c:449 rx_queue_add_kobject net/core/net-sysfs.c:1063 [inline] net_rx_queue_update_kobjects+0x25f/0x510 net/core/net-sysfs.c:1114 register_queue_kobjects net/core/net-sysfs.c:1774 [inline] netdev_register_kobject+0x279/0x400 net/core/net-sysfs.c:2019 register_netdevice+0xd77/0x1640 net/core/dev.c:10048 cfg80211_register_netdevice+0x157/0x330 net/wireless/core.c:1397 ieee80211_if_add+0x1096/0x1970 net/mac80211/iface.c:2198 ieee80211_register_hw+0x37db/0x40d0 net/mac80211/main.c:1403 mac80211_hwsim_new_radio+0x25c5/0x4920 drivers/net/wireless/mac80211_hwsim.c:4583 hwsim_new_radio_nl+0xa09/0x10f0 drivers/net/wireless/mac80211_hwsim.c:5176 genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:968 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:722 [inline] sock_sendmsg+0xde/0x190 net/socket.c:745 __sys_sendto+0x23a/0x340 net/socket.c:2142 __do_sys_sendto net/socket.c:2154 [inline] __se_sys_sendto net/socket.c:2150 [inline] __x64_sys_sendto+0xe1/0x1b0 net/socket.c:2150 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f859403e0fc Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b RSP: 002b:00007ffea124f050 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f8594cd4620 RCX: 00007f859403e0fc RDX: 0000000000000024 RSI: 00007f8594cd4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffea124f0a4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f8594cd4670 R14: 0000000000000003 R15: 0000000000000000