syzbot

==================================================================
BUG: KCSAN: data-race in tick_nohz_next_event / tick_nohz_stop_tick

write to 0xffffffff860d51f0 of 4 bytes by task 0 on cpu 0:
 tick_nohz_stop_tick+0xa0/0x400 kernel/time/tick-sched.c:887
 __tick_nohz_idle_stop_tick kernel/time/tick-sched.c:1108 [inline]
 tick_nohz_idle_stop_tick+0x174/0x2c0 kernel/time/tick-sched.c:1129
 cpuidle_idle_call kernel/sched/idle.c:232 [inline]
 do_idle+0x18a/0x250 kernel/sched/idle.c:303
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:400
 rest_init+0xe8/0xf0 init/main.c:727
 start_kernel+0x0/0x656 init/main.c:883
 start_kernel+0x5d1/0x656 init/main.c:1138
 secondary_startup_64_no_verify+0xcf/0xdb

read to 0xffffffff860d51f0 of 4 bytes by task 0 on cpu 1:
 tick_nohz_next_event+0x1ee/0x2c0 kernel/time/tick-sched.c:852
 tick_nohz_get_sleep_length+0x15b/0x250 kernel/time/tick-sched.c:1238
 menu_select+0x347/0x1010 drivers/cpuidle/governors/menu.c:283
 cpuidle_select+0x3d/0x50 drivers/cpuidle/cpuidle.c:327
 cpuidle_idle_call kernel/sched/idle.c:229 [inline]
 do_idle+0x173/0x250 kernel/sched/idle.c:303
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:400
 start_secondary+0x78/0x80 arch/x86/kernel/smpboot.c:262
 secondary_startup_64_no_verify+0xcf/0xdb

value changed: 0x00000000 -> 0xffffffff

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.0.0-rc7-syzkaller-00042-g46452d3786a8-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
==================================================================