===================================================== 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 do_nanosleep+0x12c/0x7d0 kernel/time/hrtimer.c:2293 hrtimer_nanosleep+0x228/0x480 kernel/time/hrtimer.c:2339 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/0x360 arch/x86/entry/syscall_32.c:172 asm_int80_emulation+0x1f/0x30 arch/x86/include/asm/idtentry.h:621 Local variable cycles.i created at: clockevent_set_next_coupled kernel/time/clockevents.c:309 [inline] clockevents_program_event+0x178/0x830 kernel/time/clockevents.c:360 tick_program_event+0xfb/0x190 kernel/time/tick-oneshot.c:48 CPU: 0 UID: 0 PID: 11723 Comm: syz.1.1249 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 =====================================================