=====================================================
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:1629 [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
 preempt_schedule_irq+0x50/0xa0 kernel/sched/core.c:7238
 raw_irqentry_exit_cond_resched+0x5d/0x80 kernel/entry/common.c:196
 irqentry_exit+0x8f/0x6c0 kernel/entry/common.c:239
 sysvec_apic_timer_interrupt+0x52/0x90 arch/x86/kernel/apic/apic.c:1056
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:697
 queue_delayed_work_on+0x1c9/0x2e0 kernel/workqueue.c:2579
 queue_delayed_work include/linux/workqueue.h:684 [inline]
 srcu_reschedule+0x3a4/0x4b0 kernel/rcu/srcutree.c:1981
 process_srcu+0x1a78/0x2f50 kernel/rcu/srcutree.c:2015
 process_one_work kernel/workqueue.c:3276 [inline]
 process_scheduled_works+0xb82/0x1e80 kernel/workqueue.c:3359
 worker_thread+0xee4/0x1590 kernel/workqueue.c:3440
 kthread+0x53f/0x600 kernel/kthread.c:436
 ret_from_fork+0x20f/0x910 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Local variable warn created at:
 __dquot_alloc_space+0x4d/0x1cd0 fs/quota/dquot.c:1687
 dquot_alloc_space_nodirty include/linux/quotaops.h:299 [inline]
 dquot_alloc_block_nodirty include/linux/quotaops.h:326 [inline]
 shmem_inode_acct_blocks+0x376/0x5d0 mm/shmem.c:242

CPU: 1 UID: 0 PID: 13772 Comm: kworker/1:8 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: rcu_gp process_srcu
=====================================================