===================================================== BUG: KMSAN: uninit-value in profile_hit include/linux/profile.h:53 [inline] BUG: KMSAN: uninit-value in profile_tick+0x1ae/0x1b0 kernel/profile.c:339 profile_hit include/linux/profile.h:53 [inline] profile_tick+0x1ae/0x1b0 kernel/profile.c:339 tick_sched_handle kernel/time/tick-sched.c:277 [inline] tick_nohz_handler+0x588/0x690 kernel/time/tick-sched.c:297 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x56f/0xe40 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x3ab/0x1490 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0xa6/0x3a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x7e/0x90 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 __preempt_count_dec_and_test arch/x86/include/asm/preempt.h:94 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x33/0x60 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] add_wait_queue+0x2b6/0x3e0 kernel/sched/wait.c:24 do_wait+0xcb/0x530 kernel/exit.c:1627 kernel_wait4+0x2ab/0x480 kernel/exit.c:1790 __do_sys_wait4 kernel/exit.c:1818 [inline] __se_sys_wait4 kernel/exit.c:1814 [inline] __x64_sys_wait4+0x14e/0x310 kernel/exit.c:1814 x64_sys_call+0x6e6/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:62 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable entries created at: ref_tracker_alloc+0x4b/0x7e0 lib/ref_tracker.c:189 __netns_tracker_alloc include/net/net_namespace.h:331 [inline] netns_tracker_alloc include/net/net_namespace.h:340 [inline] get_net_track include/net/net_namespace.h:357 [inline] sk_alloc+0x36c/0x850 net/core/sock.c:2145 CPU: 0 PID: 5408 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 =====================================================