===================================================== 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] finish_wait+0x1b4/0x270 kernel/sched/wait.c:408 synchronize_rcu_expedited+0xf7f/0x12d0 kernel/rcu/tree_exp.h:955 synchronize_rcu+0x662/0x830 kernel/rcu/tree.c:3519 synchronize_net+0x96/0xa0 net/core/dev.c:10766 tipc_sk_rht_destroy+0x7d/0xb0 net/tipc/socket.c:3063 tipc_exit_net+0xd4/0x260 net/tipc/core.c:117 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 fbatch created at: truncate_inode_pages_range+0x5a/0x1cc0 mm/truncate.c:335 truncate_inode_pages mm/truncate.c:452 [inline] truncate_inode_pages_final+0x8c/0xa0 mm/truncate.c:487 CPU: 0 PID: 12064 Comm: kworker/u4:2 Not tainted 6.0.0-rc4-syzkaller-48205-g4367d178d9eb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Workqueue: netns cleanup_net =====================================================