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BUG: KCSAN: data-race in hrtimer_interrupt / print_cpu

read-write to 0xffff888237d1ff98 of 2 bytes by interrupt on cpu 1:
 hrtimer_interrupt+0x33a/0x4a0 kernel/time/hrtimer.c:1898
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x5c/0x1d0 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
 __sanitizer_cov_trace_pc+0x46/0x70 kernel/kcov.c:222
 mark_all_scalars_precise+0x2b8/0x350 kernel/bpf/verifier.c:4222
 __mark_chain_precision+0x292a/0x2da0 kernel/bpf/verifier.c:4432
 mark_chain_precision kernel/bpf/verifier.c:4532 [inline]
 check_cond_jmp_op+0x213c/0x23e0 kernel/bpf/verifier.c:15660
 do_check+0x48d5/0x7090 kernel/bpf/verifier.c:18849
 do_check_common+0xc37/0x1090 kernel/bpf/verifier.c:21848
 do_check_main kernel/bpf/verifier.c:21939 [inline]
 bpf_check+0x3edb/0xd5e0 kernel/bpf/verifier.c:22665
 bpf_prog_load+0xed4/0x1070 kernel/bpf/syscall.c:2947
 __sys_bpf+0x463/0x7a0 kernel/bpf/syscall.c:5790
 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5895 [inline]
 __x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5895
 x64_sys_call+0x2914/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff888237d1ff98 of 2 bytes by task 6317 on cpu 0:
 print_cpu+0x36a/0x670 kernel/time/timer_list.c:136
 timer_list_show+0x115/0x180 kernel/time/timer_list.c:295
 seq_read_iter+0x2d1/0x930 fs/seq_file.c:230
 proc_reg_read_iter+0x118/0x190 fs/proc/inode.c:299
 copy_splice_read+0x3a0/0x5d0 fs/splice.c:365
 do_splice_read fs/splice.c:985 [inline]
 splice_direct_to_actor+0x269/0x670 fs/splice.c:1089
 do_splice_direct_actor fs/splice.c:1207 [inline]
 do_splice_direct+0xd7/0x150 fs/splice.c:1233
 do_sendfile+0x398/0x660 fs/read_write.c:1363
 __do_sys_sendfile64 fs/read_write.c:1424 [inline]
 __se_sys_sendfile64 fs/read_write.c:1410 [inline]
 __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1410
 x64_sys_call+0xfbd/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:41
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x07e3 -> 0x07e4

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 6317 Comm: syz.1.888 Not tainted 6.13.0-rc4-syzkaller-00078-g059dd502b263 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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