=====================================================
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_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
 pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:62
 arch_safe_halt arch/x86/kernel/process.c:766 [inline]
 default_idle+0xd/0x20 arch/x86/kernel/process.c:767
 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:804
 default_idle_call+0x3f/0x70 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x6ad/0xa10 kernel/sched/idle.c:352
 cpu_startup_entry+0x5f/0x80 kernel/sched/idle.c:451
 rest_init+0x1df/0x260 init/main.c:760
 start_kernel+0x6d1/0x8b0 init/main.c:1210
 x86_64_start_reservations+0x28/0x30 arch/x86/kernel/head64.c:310
 x86_64_start_kernel+0x139/0x140 arch/x86/kernel/head64.c:291
 common_startup_64+0x13e/0x147

Local variable iter created at:
 tdp_mmu_zap_leafs+0x52/0x6e0 arch/x86/kvm/mmu/tdp_mmu.c:983
 kvm_tdp_mmu_unmap_gfn_range+0x910/0xb50 arch/x86/kvm/mmu/tdp_mmu.c:1362

CPU: 0 UID: 0 PID: 0 Comm: swapper/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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