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BUG: KCSAN: data-race in hrtimer_interrupt / print_cpu

write to 0xffff888237d1ffe0 of 8 bytes by interrupt on cpu 1:
 hrtimer_interrupt+0x224/0x7b0 kernel/time/hrtimer.c:1826
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x5c/0x1a0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
 syscall_enter_from_user_mode_work include/linux/entry-common.h:165 [inline]
 syscall_enter_from_user_mode include/linux/entry-common.h:198 [inline]
 do_syscall_64+0x9a/0x1d0 arch/x86/entry/common.c:79
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

read to 0xffff888237d1ffe0 of 8 bytes by task 6162 on cpu 0:
 print_cpu+0x2fb/0x670 kernel/time/timer_list.c:133
 timer_list_show+0x115/0x180 kernel/time/timer_list.c:295
 traverse+0x155/0x3c0 fs/seq_file.c:111
 seq_read_iter+0x85a/0x940 fs/seq_file.c:195
 proc_reg_read_iter+0x11e/0x190 fs/proc/inode.c:299
 call_read_iter include/linux/fs.h:2102 [inline]
 new_sync_read fs/read_write.c:395 [inline]
 vfs_read+0x5bc/0x6b0 fs/read_write.c:476
 ksys_pread64 fs/read_write.c:671 [inline]
 __do_sys_pread64 fs/read_write.c:681 [inline]
 __se_sys_pread64 fs/read_write.c:678 [inline]
 __x64_sys_pread64+0xf7/0x150 fs/read_write.c:678
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

value changed: 0x7fffffffffffffff -> 0x00000075fb253a8b

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6162 Comm: syz-executor.1 Tainted: G        W          6.9.0-rc1-syzkaller-00009-g7033999ecd7b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
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