===================================================== 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_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:62 arch_safe_halt arch/x86/kernel/process.c:766 [inline] default_idle+0xd/0x20 arch/x86/kernel/process.c:767 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:804 default_idle_call+0x3f/0x70 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x6ad/0xa10 kernel/sched/idle.c:352 cpu_startup_entry+0x5f/0x80 kernel/sched/idle.c:451 rest_init+0x1df/0x260 init/main.c:760 start_kernel+0x6d1/0x8b0 init/main.c:1210 x86_64_start_reservations+0x28/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x139/0x140 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x147 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: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 =====================================================