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BUG: KCSAN: data-race in tick_nohz_highres_handler / tick_nohz_highres_handler

write to 0xffffffff8611ecb0 of 4 bytes by interrupt on cpu 0:
 tick_sched_do_timer kernel/time/tick-sched.c:205 [inline]
 tick_nohz_highres_handler+0x2ad/0x2c0 kernel/time/tick-sched.c:1512
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x217/0x710 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x20d/0x7b0 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x52/0x190 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x32/0x80 arch/x86/kernel/apic/apic.c:1076
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649

write to 0xffffffff8611ecb0 of 4 bytes by interrupt on cpu 1:
 tick_sched_do_timer kernel/time/tick-sched.c:205 [inline]
 tick_nohz_highres_handler+0x2ad/0x2c0 kernel/time/tick-sched.c:1512
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x217/0x710 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x20d/0x7b0 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x52/0x190 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x6a/0x80 arch/x86/kernel/apic/apic.c:1076
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
 __ext4_get_inode_loc+0xb1/0x8f0 fs/ext4/inode.c:4344
 ext4_get_inode_loc fs/ext4/inode.c:4497 [inline]
 ext4_reserve_inode_write+0xb0/0x200 fs/ext4/inode.c:5728
 __ext4_mark_inode_dirty+0x8e/0x440 fs/ext4/inode.c:5905
 __ext4_new_inode+0x20dd/0x2270 fs/ext4/ialloc.c:1344
 ext4_mkdir+0x27f/0x740 fs/ext4/namei.c:3014
 vfs_mkdir+0x1ef/0x2f0 fs/namei.c:4122
 do_mkdirat+0x12f/0x2a0 fs/namei.c:4145
 __do_sys_mkdirat fs/namei.c:4160 [inline]
 __se_sys_mkdirat fs/namei.c:4158 [inline]
 __x64_sys_mkdirat+0x50/0x60 fs/namei.c:4158
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0xffffffff -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 3087 Comm: syz-executor.0 Not tainted 6.8.0-rc3-syzkaller-00041-g547ab8fc4cb0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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