================================================================== BUG: KCSAN: data-race in tick_nohz_stop_tick / tick_nohz_stop_tick write to 0xffffffff85ed51f0 of 4 bytes by task 0 on cpu 1: 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 start_secondary+0x78/0x80 arch/x86/kernel/smpboot.c:264 secondary_startup_64_no_verify+0xcf/0xdb read to 0xffffffff85ed51f0 of 4 bytes by task 0 on cpu 0: tick_nohz_stop_tick+0x7a/0x400 kernel/time/tick-sched.c:886 __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:732 arch_call_rest_init+0x5/0x10 init/main.c:894 start_kernel+0x59e/0x630 init/main.c:1148 secondary_startup_64_no_verify+0xcf/0xdb value changed: 0x00000001 -> 0xffffffff Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.2.0-rc5-syzkaller-00013-g2475bf0250de-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 ==================================================================