SELinux: inode_doinit_use_xattr:  getxattr returned 5 for dev=loop4 ino=12
SELinux: inode_doinit_use_xattr:  getxattr returned 5 for dev=loop4 ino=12
SELinux: inode_doinit_use_xattr:  getxattr returned 5 for dev=loop4 ino=12
==================================================================
BUG: KCSAN: data-race in data_alloc / data_push_tail

write to 0xffffffff883c9fb0 of 8 bytes by task 29 on cpu 1:
 data_alloc+0x216/0x2c0 kernel/printk/printk_ringbuffer.c:1082
 prb_reserve+0x85e/0xb60 kernel/printk/printk_ringbuffer.c:1669
 vprintk_store+0x53f/0x810 kernel/printk/printk.c:2266
 vprintk_emit+0x10c/0x5e0 kernel/printk/printk.c:2326
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2360
 vprintk+0x75/0x80 kernel/printk/printk_safe.c:45
 _printk+0x7a/0xa0 kernel/printk/printk.c:2370
 kauditd_printk_skb kernel/audit.c:546 [inline]
 kauditd_hold_skb+0x1a1/0x1b0 kernel/audit.c:581
 kauditd_send_queue+0x288/0x2e0 kernel/audit.c:766
 kauditd_thread+0x42a/0x650 kernel/audit.c:890
 kthread+0x1d1/0x210 kernel/kthread.c:389
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

read to 0xffffffff883c9fb0 of 8 bytes by task 3145 on cpu 0:
 data_make_reusable kernel/printk/printk_ringbuffer.c:594 [inline]
 data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:679
 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1054
 prb_reserve+0x85e/0xb60 kernel/printk/printk_ringbuffer.c:1669
 vprintk_store+0x53f/0x810 kernel/printk/printk.c:2266
 vprintk_emit+0x10c/0x5e0 kernel/printk/printk.c:2326
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2360
 vprintk+0x75/0x80 kernel/printk/printk_safe.c:45
 _printk+0x7a/0xa0 kernel/printk/printk.c:2370
 inode_doinit_use_xattr+0x2aa/0x2b0 security/selinux/hooks.c:1382
 inode_doinit_with_dentry+0x5dc/0x840 security/selinux/hooks.c:1486
 __inode_security_revalidate security/selinux/hooks.c:295 [inline]
 inode_security security/selinux/hooks.c:320 [inline]
 may_create+0x125/0x2f0 security/selinux/hooks.c:1807
 selinux_inode_create+0x22/0x30 security/selinux/hooks.c:3017
 security_inode_create+0x79/0xb0 security/security.c:2004
 may_o_create fs/namei.c:3339 [inline]
 lookup_open fs/namei.c:3468 [inline]
 open_last_lookups fs/namei.c:3574 [inline]
 path_openat+0xa28/0x1da0 fs/namei.c:3804
 do_filp_open+0xf7/0x200 fs/namei.c:3834
 do_sys_openat2+0xab/0x120 fs/open.c:1405
 do_sys_open fs/open.c:1420 [inline]
 __do_sys_creat fs/open.c:1496 [inline]
 __se_sys_creat fs/open.c:1490 [inline]
 __x64_sys_creat+0x66/0x90 fs/open.c:1490
 x64_sys_call+0x2365/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:86
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x0000000100004621 -> 0x00000001000050b0

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3145 Comm: syz-executor.4 Tainted: G        W          6.10.0-rc2-syzkaller-00235-g8a92980606e3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
==================================================================
SELinux: inode_doinit_use_xattr:  getxattr returned 5 for dev=loop4 ino=12