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BUG: KCSAN: data-race in hrtimer_interrupt / print_cpu

write to 0xffff888237d1ffa0 of 8 bytes by interrupt on cpu 1:
 hrtimer_interrupt+0x18c/0x7b0 kernel/time/hrtimer.c:1809
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline]
 __sysvec_apic_timer_interrupt+0x5c/0x1a0 arch/x86/kernel/apic/apic.c:1043
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1037
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
 __sanitizer_cov_trace_pc+0x46/0x70 kernel/kcov.c:222
 ma_slots lib/maple_tree.c:763 [inline]
 mtree_range_walk lib/maple_tree.c:2788 [inline]
 mas_state_walk lib/maple_tree.c:3601 [inline]
 mt_find+0x459/0x890 lib/maple_tree.c:6930
 find_vma+0x6f/0xa0 mm/mmap.c:967
 lock_mm_and_find_vma+0x5d/0x270 mm/memory.c:6162
 do_user_addr_fault arch/x86/mm/fault.c:1361 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x1bd/0x650 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
 rep_movs_alternative+0x30/0x70 arch/x86/lib/copy_user_64.S:50
 copy_user_generic arch/x86/include/asm/uaccess_64.h:121 [inline]
 raw_copy_from_user arch/x86/include/asm/uaccess_64.h:136 [inline]
 _inline_copy_from_user include/linux/uaccess.h:170 [inline]
 _copy_from_user+0x80/0xd0 lib/usercopy.c:18
 copy_from_user include/linux/uaccess.h:203 [inline]
 copy_msghdr_from_user+0x54/0x2a0 net/socket.c:2537
 recvmsg_copy_msghdr net/socket.c:2792 [inline]
 ___sys_recvmsg net/socket.c:2864 [inline]
 do_recvmmsg+0x282/0x740 net/socket.c:2962
 __sys_recvmmsg net/socket.c:3041 [inline]
 __do_sys_recvmmsg net/socket.c:3064 [inline]
 __se_sys_recvmmsg net/socket.c:3057 [inline]
 __x64_sys_recvmmsg+0xe2/0x170 net/socket.c:3057
 x64_sys_call+0x26e3/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:300
 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 0xffff888237d1ffa0 of 8 bytes by task 6413 on cpu 0:
 print_cpu+0x2fb/0x670 kernel/time/timer_list.c:133
 timer_list_show+0x115/0x180 kernel/time/timer_list.c:295
 seq_read_iter+0x655/0x930 fs/seq_file.c:272
 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+0x39b/0x970 fs/read_write.c:1388
 __do_sys_sendfile64 fs/read_write.c:1455 [inline]
 __se_sys_sendfile64 fs/read_write.c:1441 [inline]
 __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1441
 x64_sys_call+0xed5/0x2d60 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: 0x0000001251a51968 -> 0x7fffffffffffffff

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 6413 Comm: syz.1.775 Not tainted 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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