===================================================== 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:1632 [inline] finish_lock_switch kernel/sched/core.c:5035 [inline] finish_task_switch+0x11b/0x8b0 kernel/sched/core.c:5153 context_switch kernel/sched/core.c:5301 [inline] __schedule+0x2607/0x8640 kernel/sched/core.c:6911 preempt_schedule_common+0x33/0x80 kernel/sched/core.c:7095 preempt_schedule+0x30/0x40 kernel/sched/core.c:7119 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] _raw_spin_unlock_irqrestore+0x57/0x60 kernel/locking/spinlock.c:194 task_rq_unlock kernel/sched/sched.h:1917 [inline] wake_up_new_task+0xa85/0x1250 kernel/sched/core.c:4798 kernel_clone+0x8b6/0x1100 kernel/fork.c:2684 __do_sys_clone3 kernel/fork.c:2955 [inline] __se_sys_clone3+0x5d7/0x5f0 kernel/fork.c:2934 __ia32_sys_clone3+0x76/0xb0 kernel/fork.c:2934 ia32_sys_call+0x697/0x4360 arch/x86/include/generated/asm/syscalls_32.h:436 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] do_int80_emulation+0x15a/0x330 arch/x86/entry/syscall_32.c:172 asm_int80_emulation+0x1f/0x30 arch/x86/include/asm/idtentry.h:621 Local variable s created at: vmx_get_segment_base+0x3d/0x310 arch/x86/kvm/vmx/vmx.c:3745 get_segment_base arch/x86/kvm/x86.c:8500 [inline] emulator_get_cached_segment_base+0x4a/0x60 arch/x86/kvm/x86.c:8642 CPU: 1 UID: 0 PID: 7241 Comm: syz.2.378 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 =====================================================