=====================================================
BUG: KMSAN: uninit-value in profile_hit include/linux/profile.h:58 [inline]
BUG: KMSAN: uninit-value in profile_tick+0x1ca/0x1d0 kernel/profile.c:343
 profile_hit include/linux/profile.h:58 [inline]
 profile_tick+0x1ca/0x1d0 kernel/profile.c:343
 tick_sched_handle kernel/time/tick-sched.c:244 [inline]
 tick_sched_timer+0x5e4/0x700 kernel/time/tick-sched.c:1480
 __run_hrtimer+0x298/0x910 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x78d/0x1440 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14b/0x5b0 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x95/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irq+0x21/0x40 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:399 [inline]
 cgroup_post_fork+0x3ae/0xbb0 kernel/cgroup/cgroup.c:6446
 copy_process+0x64df/0x69f0 kernel/fork.c:2489
 kernel_clone+0x42f/0x1120 kernel/fork.c:2675
 __do_sys_clone kernel/fork.c:2809 [inline]
 __se_sys_clone kernel/fork.c:2793 [inline]
 __x64_sys_clone+0x261/0x390 kernel/fork.c:2793
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable mmap_event created at:
 perf_event_mmap+0x54/0x29c0 kernel/events/core.c:8552
 mmap_region+0x19fe/0x34f0 mm/mmap.c:1819

CPU: 0 PID: 3983 Comm: syz-executor.2 Not tainted 6.0.0-rc4-syzkaller-48209-gfaf04f9bcf05 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
=====================================================