===================================================== 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 __sanitizer_cov_trace_pc+0x0/0x70 do_user_addr_fault+0x1760/0x2510 arch/x86/mm/fault.c:1334 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x70/0xb0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:618 Local variable reuse.i created at: mas_wr_node_store lib/maple_tree.c:3495 [inline] mas_wr_store_entry+0x14bd/0x96d0 lib/maple_tree.c:3764 mas_store_prealloc+0x1834/0x1e60 lib/maple_tree.c:5169 CPU: 0 UID: 0 PID: 14840 Comm: syz.4.2343 Tainted: G W L syzkaller #0 PREEMPT(full) Tainted: [W]=WARN, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 =====================================================