===================================================== 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 __schedule_loop kernel/sched/core.c:6993 [inline] schedule+0x17c/0x3c0 kernel/sched/core.c:7008 do_nanosleep+0x12c/0x7d0 kernel/time/hrtimer.c:2124 hrtimer_nanosleep+0x22e/0x480 kernel/time/hrtimer.c:2171 common_nsleep+0x118/0x160 kernel/time/posix-timers.c:1345 __do_sys_clock_nanosleep_time32 kernel/time/posix-timers.c:1419 [inline] __se_sys_clock_nanosleep_time32 kernel/time/posix-timers.c:1396 [inline] __ia32_sys_clock_nanosleep_time32+0x652/0x760 kernel/time/posix-timers.c:1396 ia32_sys_call+0x3617/0x4360 arch/x86/include/generated/asm/syscalls_32.h:268 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 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: 1 UID: 0 PID: 7299 Comm: syz.3.507 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 =====================================================