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BUG: KCSAN: data-race in console_lock / printk_kthread_func

write to 0xffffffff85bee368 of 1 bytes by task 7512 on cpu 1:
 console_kthreads_block kernel/printk/printk.c:318 [inline]
 console_lock+0x65/0xd0 kernel/printk/printk.c:2713
 do_con_write+0x71/0x3590 drivers/tty/vt/vt.c:2908
 con_write+0x25/0x420 drivers/tty/vt/vt.c:3295
 process_output_block drivers/tty/n_tty.c:581 [inline]
 n_tty_write+0x7ea/0xb40 drivers/tty/n_tty.c:2248
 do_tty_write drivers/tty/tty_io.c:1024 [inline]
 file_tty_write+0x3f9/0x650 drivers/tty/tty_io.c:1095
 tty_write+0x24/0x30 drivers/tty/tty_io.c:1116
 do_iter_readv_writev+0x27b/0x300
 do_iter_write+0x16f/0x5c0 fs/read_write.c:852
 vfs_writev fs/read_write.c:925 [inline]
 do_writev+0x256/0x4b0 fs/read_write.c:968
 __do_sys_writev fs/read_write.c:1041 [inline]
 __se_sys_writev fs/read_write.c:1038 [inline]
 __x64_sys_writev+0x41/0x50 fs/read_write.c:1038
 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 0xffffffff85bee368 of 1 bytes by task 14 on cpu 0:
 printer_should_wake kernel/printk/printk.c:3731 [inline]
 printk_kthread_func+0x481/0xb60 kernel/printk/printk.c:3795
 kthread+0x1a9/0x1e0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

value changed: 0x00 -> 0x01

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 14 Comm: pr/ttyS0 Tainted: G        W         5.18.0-syzkaller-11439-g8ab2afa23bd1-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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