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BUG: KCSAN: data-race in clockevents_program_event / print_tickdevice

write to 0xffff888237c1ae98 of 8 bytes by interrupt on cpu 0:
 clockevents_program_event+0x30/0x1e0 kernel/time/clockevents.c:313
 tick_program_event+0x84/0xd0 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x840/0xa70 kernel/time/hrtimer.c:1824
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1107
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
 check_kcov_mode kernel/kcov.c:175 [inline]
 write_comp_data kernel/kcov.c:236 [inline]
 __sanitizer_cov_trace_cmp4+0x33/0xa0 kernel/kcov.c:278
 __ext4_check_dir_entry+0x2f7/0x4f0 fs/ext4/dir.c:100
 ext4_find_dest_de+0xf5/0x2c0 fs/ext4/namei.c:2092
 add_dirent_to_buf+0x1a1/0x440 fs/ext4/namei.c:2164
 ext4_add_entry+0x3ce/0x1e90 fs/ext4/namei.c:2424
 ext4_mkdir+0x385/0x760 fs/ext4/namei.c:3007
 vfs_mkdir+0x27a/0x380 fs/namei.c:4036
 do_mkdirat+0xff/0x270 fs/namei.c:4061
 __do_sys_mkdir fs/namei.c:4081 [inline]
 __se_sys_mkdir fs/namei.c:4079 [inline]
 __x64_sys_mkdir+0x40/0x50 fs/namei.c:4079
 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

read to 0xffff888237c1ae98 of 8 bytes by task 26536 on cpu 1:
 print_tickdevice+0x158/0x370 kernel/time/timer_list.c:204
 timer_list_show+0x74/0x180 kernel/time/timer_list.c:296
 seq_read_iter+0x676/0x8e0 fs/seq_file.c:272
 proc_reg_read_iter+0xfa/0x170 fs/proc/inode.c:305
 call_read_iter include/linux/fs.h:2180 [inline]
 generic_file_splice_read+0xde/0x2b0 fs/splice.c:309
 do_splice_to fs/splice.c:793 [inline]
 splice_direct_to_actor+0x26c/0x620 fs/splice.c:865
 do_splice_direct+0xfb/0x180 fs/splice.c:974
 do_sendfile+0x3bf/0x910 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64 fs/read_write.c:1309 [inline]
 __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1309
 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: 0x7fffffffffffffff -> 0x0000007106986747

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 26536 Comm: syz-executor.5 Not tainted 6.2.0-rc1-syzkaller-00043-g2258c2dc850b-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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