=====================================================
BUG: KMSAN: uninit-value in __flush_smp_call_function_queue+0x343/0x1810 kernel/smp.c:549
 __flush_smp_call_function_queue+0x343/0x1810 kernel/smp.c:549
 generic_smp_call_function_single_interrupt+0x1c/0x30 kernel/smp.c:477
 __sysvec_call_function_single+0x48/0x350 arch/x86/kernel/smp.c:272
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:267 [inline]
 sysvec_call_function_single+0x7c/0x90 arch/x86/kernel/smp.c:267
 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:1644 [inline]
 finish_lock_switch kernel/sched/core.c:5125 [inline]
 finish_task_switch+0x37e/0xbc0 kernel/sched/core.c:5243
 context_switch kernel/sched/core.c:5391 [inline]
 __schedule+0x2930/0x8750 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x17c/0x3c0 kernel/sched/core.c:7283
 futex_do_wait kernel/futex/waitwake.c:358 [inline]
 __futex_wait+0x1e3/0x450 kernel/futex/waitwake.c:691
 futex_wait+0xd8/0x360 kernel/futex/waitwake.c:719
 do_futex+0x3a4/0x480 kernel/futex/syscalls.c:130
 __do_sys_futex kernel/futex/syscalls.c:207 [inline]
 __se_sys_futex+0x5b8/0x740 kernel/futex/syscalls.c:188
 __x64_sys_futex+0x114/0x1a0 kernel/futex/syscalls.c:188
 x64_sys_call+0x2c48/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15d/0x3c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable reuse.i created at:
 mas_wr_node_store lib/maple_tree.c:3129 [inline]
 mas_wr_store_entry+0xcf4/0x12a90 lib/maple_tree.c:3531
 mas_store_prealloc+0xb66/0x10c0 lib/maple_tree.c:4936

CPU: 1 UID: 0 PID: 6217 Comm: syz.1.125 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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