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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
 smap_save mm/kmsan/instrumentation.c:92 [inline]
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:35 [inline]
 __msan_metadata_ptr_for_load_2+0x14/0x40 mm/kmsan/instrumentation.c:92
 get_task_policy mm/mempolicy.c:352 [inline]
 alloc_frozen_pages_noprof mm/mempolicy.c:2559 [inline]
 alloc_pages_noprof+0x20e/0x290 mm/mempolicy.c:2581
 pagetable_alloc_noprof include/linux/mm.h:3404 [inline]
 pmd_alloc_one_noprof include/asm-generic/pgalloc.h:143 [inline]
 __pmd_alloc+0x55/0xc20 mm/memory.c:6710
 pmd_alloc include/linux/mm.h:3320 [inline]
 __handle_mm_fault mm/memory.c:6407 [inline]
 handle_mm_fault+0x1596/0x6fc0 mm/memory.c:6624
 do_user_addr_fault+0x1760/0x2510 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x70/0xb0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x2b/0x30 arch/x86/include/asm/idtentry.h:618

Local variable pflags created at:
 try_charge_memcg+0x63/0x1c20 mm/memcontrol.c:2367
 try_charge mm/memcontrol.c:2556 [inline]
 charge_memcg mm/memcontrol.c:4744 [inline]
 __mem_cgroup_charge+0x114/0x5c0 mm/memcontrol.c:4761

CPU: 0 UID: 0 PID: 13962 Comm: syz.4.1885 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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