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BUG: KCSAN: data-race in hrtimer_interrupt / print_cpu

write to 0xffff888237c1b860 of 8 bytes by interrupt on cpu 0:
 hrtimer_interrupt+0x193/0x460 kernel/time/hrtimer.c:1895
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1045 [inline]
 __sysvec_apic_timer_interrupt+0x5f/0x1d0 arch/x86/kernel/apic/apic.c:1062
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0x32/0x80 arch/x86/kernel/apic/apic.c:1056
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697

read to 0xffff888237c1b860 of 8 bytes by task 30681 on cpu 1:
 print_cpu+0x2ea/0x660 kernel/time/timer_list.c:131
 timer_list_show+0x107/0x170 kernel/time/timer_list.c:293
 seq_read_iter+0x636/0x950 fs/seq_file.c:272
 proc_reg_read_iter+0x110/0x180 fs/proc/inode.c:299
 io_iter_do_read io_uring/rw.c:827 [inline]
 __io_read+0x442/0xc30 io_uring/rw.c:944
 io_read+0x4a/0x190 io_uring/rw.c:1024
 __io_issue_sqe+0xfe/0x2e0 io_uring/io_uring.c:1792
 io_issue_sqe+0x56/0xa80 io_uring/io_uring.c:1815
 io_queue_sqe io_uring/io_uring.c:2042 [inline]
 io_submit_sqe io_uring/io_uring.c:2320 [inline]
 io_submit_sqes+0x78b/0x11b0 io_uring/io_uring.c:2434
 __do_sys_io_uring_enter io_uring/io_uring.c:3277 [inline]
 __se_sys_io_uring_enter+0x1bd/0x1a30 io_uring/io_uring.c:3216
 __x64_sys_io_uring_enter+0x78/0x90 io_uring/io_uring.c:3216
 x64_sys_call+0x27e4/0x3000 arch/x86/include/generated/asm/syscalls_64.h:427
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd8/0x2a0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x0000008a1062f243 -> 0x0000008a106692dc

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 30681 Comm: syz.4.8425 Not tainted syzkaller #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
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