==================================================================
BUG: KCSAN: data-race in console_unlock / console_unlock

write to 0xffffffff8417d940 of 8 bytes by task 1551 on cpu 0:
 console_unlock+0x570/0xb30 kernel/printk/printk.c:2632
 vprintk_emit+0x125/0x3d0 kernel/printk/printk.c:2174
 vprintk_default+0x22/0x30 kernel/printk/printk.c:2185
 vprintk+0x15a/0x170 kernel/printk/printk_safe.c:392
 printk+0x62/0x87 kernel/printk/printk.c:2216
 __update_ref_ctr+0x1fe/0x220 kernel/events/uprobes.c:393
 update_ref_ctr+0x36f/0x610 kernel/events/uprobes.c:428
 uprobe_write_opcode+0x34c/0x1050 kernel/events/uprobes.c:498
 set_orig_insn+0x2c/0x40
 remove_breakpoint kernel/events/uprobes.c:927 [inline]
 register_for_each_vma+0x7ae/0x890 kernel/events/uprobes.c:1074
 uprobe_apply+0x8b/0x260 kernel/events/uprobes.c:1230
 uprobe_perf_close+0x2f8/0x370 kernel/trace/trace_uprobe.c:1292
 trace_uprobe_register+0x156/0x410 kernel/trace/trace_uprobe.c:1471
 perf_trace_event_close kernel/trace/trace_event_perf.c:192 [inline]
 perf_uprobe_destroy+0x58/0x90 kernel/trace/trace_event_perf.c:348
 _free_event+0x7db/0x9a0 kernel/events/core.c:4959
 put_event kernel/events/core.c:5053 [inline]
 perf_event_release_kernel+0x7bc/0x830 kernel/events/core.c:5168
 perf_release+0x21/0x30 kernel/events/core.c:5178
 __fput+0x25b/0x4e0 fs/file_table.c:280
 ____fput+0x11/0x20 fs/file_table.c:313
 task_work_run+0xae/0x130 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x156/0x190 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:302
 do_syscall_64+0x49/0x90 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffffffff8417d940 of 8 bytes by task 1553 on cpu 1:
 console_unlock+0x9f5/0xb30 kernel/printk/printk.c:2667
 do_con_write+0x5d29/0x5d90 drivers/tty/vt/vt.c:270
 con_write+0x20/0x40 drivers/tty/vt/vt.c:3255
 process_output_block drivers/tty/n_tty.c:592 [inline]
 n_tty_write+0x77b/0xaf0 drivers/tty/n_tty.c:2288
 do_tty_write drivers/tty/tty_io.c:1038 [inline]
 file_tty_write+0x409/0x660 drivers/tty/tty_io.c:1110
 tty_write+0x24/0x30 drivers/tty/tty_io.c:1131
 call_write_iter include/linux/fs.h:2114 [inline]
 do_iter_readv_writev+0x2cb/0x360 fs/read_write.c:740
 do_iter_write+0x112/0x4c0 fs/read_write.c:866
 vfs_iter_write+0x4c/0x70 fs/read_write.c:907
 iter_file_splice_write+0x40a/0x750 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x80/0xa0 fs/splice.c:936
 splice_direct_to_actor+0x345/0x650 fs/splice.c:891
 do_splice_direct+0xf5/0x170 fs/splice.c:979
 do_sendfile+0x773/0xda0 fs/read_write.c:1260
 __do_sys_sendfile64 fs/read_write.c:1325 [inline]
 __se_sys_sendfile64 fs/read_write.c:1311 [inline]
 __x64_sys_sendfile64+0xf2/0x130 fs/read_write.c:1311
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x000000000000d00b -> 0x000000000000d00c

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 1553 Comm: syz-executor.4 Tainted: G        W         5.14.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
sd 0:0:1:0: [sg0] tag#7313 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#7313 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: [sg0] tag#7313 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: [sg0] tag#7313 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: [sg0] tag#7313 CDB[20]: ba
sd 0:0:1:0: [sg0] tag#7315 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#7315 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: [sg0] tag#7315 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: [sg0] tag#7315 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: [sg0] tag#7315 CDB[20]: ba
sd 0:0:1:0: [sg0] tag#7316 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#7316 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: [sg0] tag#7316 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: [sg0] tag#7316 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: [sg0] tag#7316 CDB[20]: ba
sd 0:0:1:0: [sg0] tag#7318 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#7318 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: [sg0] tag#7318 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: [sg0] tag#7318 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: [sg0] tag#7318 CDB[20]: ba
sd 0:0:1:0: [sg0] tag#7350 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#7350 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: [sg0] tag#7350 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: [sg0] tag#7350 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: [sg0] tag#7350 CDB[20]: ba