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BUG: KMSAN: uninit-value in __flush_smp_call_function_queue+0x362/0x18e0 kernel/smp.c:535
 __flush_smp_call_function_queue+0x362/0x18e0 kernel/smp.c:535
 generic_smp_call_function_single_interrupt+0x1c/0x30 kernel/smp.c:463
 __sysvec_call_function_single+0x4b/0x3e0 arch/x86/kernel/smp.c:271
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
 sysvec_call_function_single+0x7c/0x90 arch/x86/kernel/smp.c:266
 asm_sysvec_call_function_single+0x1f/0x30 arch/x86/include/asm/idtentry.h:704
 native_irq_enable arch/x86/include/asm/irqflags.h:42 [inline]
 arch_local_irq_enable arch/x86/include/asm/irqflags.h:119 [inline]
 raw_spin_rq_unlock_irq kernel/sched/sched.h:1629 [inline]
 finish_lock_switch kernel/sched/core.c:5032 [inline]
 finish_task_switch+0x11b/0x8b0 kernel/sched/core.c:5150
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0x2607/0x8640 kernel/sched/core.c:6908
 __schedule_loop kernel/sched/core.c:6990 [inline]
 schedule+0x17c/0x3c0 kernel/sched/core.c:7005
 schedule_timeout+0x118/0x240 kernel/time/sleep_timeout.c:99
 ip_vs_estimation_kthread+0x4490/0x5470 net/netfilter/ipvs/ip_vs_est.c:208
 kthread+0x53f/0x600 kernel/kthread.c:467
 ret_from_fork+0x20f/0x910 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Local variable gfn_range.i created at:
 kvm_handle_hva_range virt/kvm/kvm_main.c:568 [inline]
 kvm_mmu_notifier_invalidate_range_start+0x16f/0x17b0 virt/kvm/kvm_main.c:770
 mn_hlist_invalidate_range_start mm/mmu_notifier.c:478 [inline]
 __mmu_notifier_invalidate_range_start+0x5e8/0xec0 mm/mmu_notifier.c:533

CPU: 1 UID: 0 PID: 7781 Comm: ipvs-e:3:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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