=====================================================
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_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x2f/0x50 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline]
 ida_free+0x4d0/0x530 lib/idr.c:521
 proc_free_inum fs/proc/generic.c:217 [inline]
 pde_put+0x87/0x230 fs/proc/generic.c:678
 remove_proc_subtree+0x760/0xc60 fs/proc/generic.c:773
 proc_remove+0x81/0xb0 fs/proc/generic.c:793
 rxrpc_exit_net+0x16f/0x210 net/rxrpc/net_ns.c:127
 ops_exit_list net/core/net_namespace.c:163 [inline]
 cleanup_net+0xd0f/0x18c0 net/core/net_namespace.c:595
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Local variable timer created at:
 schedule_timeout+0x4d/0x3a0 kernel/time/timer.c:1898
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common+0x33d/0x7b0 kernel/sched/completion.c:117

CPU: 1 PID: 1028 Comm: kworker/u4:5 Not tainted 6.0.0-rc2-syzkaller-47469-ge23a6cc335d5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: netns cleanup_net
=====================================================