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BUG: KCSAN: data-race in hrtimer_reprogram / print_cpu

write to 0xffff888237c1ed60 of 8 bytes by task 6223 on cpu 0:
 __hrtimer_reprogram kernel/time/hrtimer.c:659 [inline]
 hrtimer_reprogram+0x1d4/0x240 kernel/time/hrtimer.c:866
 hrtimer_start_range_ns+0x515/0x690 kernel/time/hrtimer.c:1299
 hrtimer_start include/linux/hrtimer.h:418 [inline]
 perf_swevent_start_hrtimer kernel/events/core.c:11001 [inline]
 cpu_clock_event_start kernel/events/core.c:11059 [inline]
 cpu_clock_event_add+0x10e/0x130 kernel/events/core.c:11071
 event_sched_in+0x487/0x6b0 kernel/events/core.c:2514
 group_sched_in kernel/events/core.c:2546 [inline]
 merge_sched_in kernel/events/core.c:3799 [inline]
 visit_groups_merge+0xc8d/0x1cb0 kernel/events/core.c:3744
 ctx_flexible_sched_in+0xa5/0xf0 kernel/events/core.c:3852
 ctx_sched_in+0x1f2/0x200 kernel/events/core.c:3905
 perf_event_sched_in kernel/events/core.c:2642 [inline]
 perf_event_context_sched_in kernel/events/core.c:3951 [inline]
 __perf_event_task_sched_in+0x51e/0x8a0 kernel/events/core.c:3980
 perf_event_task_sched_in include/linux/perf_event.h:1431 [inline]
 finish_task_switch+0x1ee/0x290 kernel/sched/core.c:5178
 context_switch kernel/sched/core.c:5307 [inline]
 __schedule+0x67a/0x910 kernel/sched/core.c:6622
 schedule+0x54/0x90 kernel/sched/core.c:6698
 exit_to_user_mode_loop+0x47/0xe0 kernel/entry/common.c:159
 exit_to_user_mode_prepare+0x6a/0xa0 kernel/entry/common.c:203
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:309
 irqentry_exit+0x12/0x40 kernel/entry/common.c:412
 sysvec_apic_timer_interrupt+0x4e/0xb0 arch/x86/kernel/apic/apic.c:1107
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645

read to 0xffff888237c1ed60 of 8 bytes by task 6226 on cpu 1:
 print_cpu+0x2fb/0x630 kernel/time/timer_list.c:133
 timer_list_show+0x115/0x180 kernel/time/timer_list.c:291
 seq_read_iter+0x612/0x8f0 fs/seq_file.c:272
 proc_reg_read_iter+0x10e/0x180 fs/proc/inode.c:305
 do_iter_read+0x3fd/0x6d0 fs/read_write.c:796
 vfs_readv fs/read_write.c:916 [inline]
 do_preadv+0x159/0x230 fs/read_write.c:1008
 __do_sys_preadv fs/read_write.c:1058 [inline]
 __se_sys_preadv fs/read_write.c:1053 [inline]
 __x64_sys_preadv+0x58/0x60 fs/read_write.c:1053
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x0000003128ecb900 -> 0x0000003128a87781

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 6226 Comm: syz-executor.3 Not tainted 6.2.0-syzkaller-13563-gf915322fe014-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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