SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=23104 comm=syz-executor.4
==================================================================
BUG: KCSAN: data-race in data_push_tail / string

write to 0xffffffff86e80b14 of 1 bytes by task 23100 on cpu 1:
 string_nocheck lib/vsprintf.c:647 [inline]
 string+0x17b/0x220 lib/vsprintf.c:725
 vsnprintf+0xb57/0xe80 lib/vsprintf.c:2782
 vscnprintf+0x3e/0x80 lib/vsprintf.c:2888
 printk_sprint kernel/printk/printk.c:2092 [inline]
 vprintk_store+0x5f2/0xb50 kernel/printk/printk.c:2206
 vprintk_emit+0xcc/0x430 kernel/printk/printk.c:2252
 vprintk_default+0x22/0x30 kernel/printk/printk.c:2282
 vprintk+0x7f/0x90 kernel/printk/printk_safe.c:50
 _printk+0x76/0x96 kernel/printk/printk.c:2292
 selinux_netlink_send+0x3af/0x420 security/selinux/hooks.c:5926
 security_netlink_send+0x42/0x90 security/security.c:2082
 netlink_sendmsg+0x55f/0x750 net/netlink/af_netlink.c:1911
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0x38f/0x500 net/socket.c:2488
 ___sys_sendmsg net/socket.c:2542 [inline]
 __sys_sendmsg+0x1f9/0x400 net/socket.c:2571
 __do_sys_sendmsg net/socket.c:2580 [inline]
 __se_sys_sendmsg net/socket.c:2578 [inline]
 __x64_sys_sendmsg+0x42/0x50 net/socket.c:2578
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

read to 0xffffffff86e80b10 of 8 bytes by task 23104 on cpu 0:
 data_make_reusable kernel/printk/printk_ringbuffer.c:590 [inline]
 data_push_tail+0x10f/0x440 kernel/printk/printk_ringbuffer.c:675
 data_alloc+0xbc/0x2b0 kernel/printk/printk_ringbuffer.c:1046
 prb_reserve+0x897/0xbd0 kernel/printk/printk_ringbuffer.c:1555
 vprintk_store+0x51c/0xb50 kernel/printk/printk.c:2196
 vprintk_emit+0xcc/0x430 kernel/printk/printk.c:2252
 vprintk_default+0x22/0x30 kernel/printk/printk.c:2282
 vprintk+0x7f/0x90 kernel/printk/printk_safe.c:50
 _printk+0x76/0x96 kernel/printk/printk.c:2292
 selinux_netlink_send+0x3af/0x420 security/selinux/hooks.c:5926
 security_netlink_send+0x42/0x90 security/security.c:2082
 netlink_sendmsg+0x55f/0x750 net/netlink/af_netlink.c:1911
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0x38f/0x500 net/socket.c:2488
 ___sys_sendmsg net/socket.c:2542 [inline]
 __sys_sendmsg+0x1f9/0x400 net/socket.c:2571
 __do_sys_sendmsg net/socket.c:2580 [inline]
 __se_sys_sendmsg net/socket.c:2578 [inline]
 __x64_sys_sendmsg+0x42/0x50 net/socket.c:2578
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

value changed: 0x00000000fffffea4 -> 0x78652d7a79733d6d

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 23104 Comm: syz-executor.4 Tainted: G        W         5.19.0-rc5-syzkaller-00049-gc1084b6c5620-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
==================================================================
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
device bond32 entered promiscuous mode
device team0 entered promiscuous mode
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
debugfs: Directory 'hsr1' with parent 'hsr' already present!
Cannot create hsr debugfs directory
bond32: (slave hsr1): enslaved VLAN challenged slave. Adding VLANs will be blocked as long as it is part of bond.
bond32: (slave hsr1): The slave device specified does not support setting the MAC address
hsr1: A HSR master's MTU cannot be greater than the smallest MTU of its slaves minus the HSR Tag length (6 octets).
bond32: (slave hsr1): Error -22 calling dev_set_mtu
device bond32 left promiscuous mode
device team0 left promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode