=====================================================
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
 eth_random_addr include/linux/etherdevice.h:239 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:826 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:876 [inline]
 nsim_dev_trap_report_work+0x548/0x1420 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 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: 112 Comm: kworker/u8:5 Tainted: G             L      syzkaller #0 PREEMPT(lazy) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: events_unbound nsim_dev_trap_report_work
=====================================================