===================================================== 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 crng_make_state+0x16f/0x400 drivers/char/random.c:384 _get_random_bytes+0x97/0x250 drivers/char/random.c:396 get_random_bytes+0x26/0x30 drivers/char/random.c:427 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:847 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:876 [inline] nsim_dev_trap_report_work+0xa5b/0x1420 drivers/net/netdevsim/dev.c:922 process_one_work kernel/workqueue.c:3314 [inline] process_scheduled_works+0xb65/0x1e40 kernel/workqueue.c:3397 worker_thread+0xee4/0x1590 kernel/workqueue.c:3478 kthread+0x53a/0x5f0 kernel/kthread.c:436 ret_from_fork+0x20f/0x8d0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 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: 6819 Comm: kworker/u8:15 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: events_unbound nsim_dev_trap_report_work =====================================================