SELinux:  Context /sys/kernel/debug/binder/failed_transactio:_log is not valid (left unmapped).
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BUG: KCSAN: data-race in data_push_tail / string

write to 0xffffffff87073910 of 1 bytes by task 24 on cpu 0:
 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
 kauditd_printk_skb kernel/audit.c:538 [inline]
 kauditd_hold_skb+0x19b/0x1a0 kernel/audit.c:573
 kauditd_send_queue+0x297/0x300 kernel/audit.c:758
 kauditd_thread+0x49b/0x740 kernel/audit.c:882
 kthread+0x1a9/0x1e0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

read to 0xffffffff87073910 of 8 bytes by task 16360 on cpu 1:
 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
 sidtab_context_to_sid+0x5d0/0x5f0 security/selinux/ss/sidtab.c:342
 security_context_to_sid_core+0x297/0x390 security/selinux/ss/services.c:1571
 security_context_to_sid_force+0x33/0x40 security/selinux/ss/services.c:1650
 selinux_inode_setxattr+0x57b/0x790 security/selinux/hooks.c:3217
 security_inode_setxattr+0xa2/0x130 security/security.c:1360
 __vfs_setxattr_locked+0x84/0x1c0 fs/xattr.c:268
 vfs_setxattr+0x1e5/0x350 fs/xattr.c:313
 do_setxattr fs/xattr.c:600 [inline]
 setxattr fs/xattr.c:623 [inline]
 __do_sys_fsetxattr fs/xattr.c:679 [inline]
 __se_sys_fsetxattr+0x2ca/0x350 fs/xattr.c:668
 __x64_sys_fsetxattr+0x63/0x70 fs/xattr.c:668
 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+0x63/0xcd

value changed: 0x00000000ffffe294 -> 0x7661203a29333933

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 16360 Comm: syz-executor.4 Not tainted 5.19.0-syzkaller-10895-g6614a3c3164a-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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