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BUG: KCSAN: data-race in drain_all_stock / drain_stock

write to 0xffff888237d2a690 of 4 bytes by task 12770 on cpu 1:
 drain_stock+0x48/0xf0 mm/memcontrol.c:2345
 __refill_stock+0x33/0xb0 mm/memcontrol.c:2385
 refill_stock mm/memcontrol.c:2400 [inline]
 try_charge_memcg+0x9eb/0xd20 mm/memcontrol.c:2866
 try_charge mm/memcontrol.c:2930 [inline]
 charge_memcg mm/memcontrol.c:7276 [inline]
 __mem_cgroup_charge+0x63/0xf0 mm/memcontrol.c:7291
 mem_cgroup_charge include/linux/memcontrol.h:690 [inline]
 folio_prealloc mm/memory.c:1011 [inline]
 wp_page_copy mm/memory.c:3138 [inline]
 do_wp_page+0x63a/0x1f20 mm/memory.c:3525
 handle_pte_fault mm/memory.c:5180 [inline]
 __handle_mm_fault mm/memory.c:5305 [inline]
 handle_mm_fault+0xb80/0x27c0 mm/memory.c:5470
 do_user_addr_fault arch/x86/mm/fault.c:1355 [inline]
 handle_page_fault arch/x86/mm/fault.c:1498 [inline]
 exc_page_fault+0x401/0x6d0 arch/x86/mm/fault.c:1554
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570

read to 0xffff888237d2a690 of 4 bytes by task 12748 on cpu 0:
 drain_all_stock+0xd3/0x2e0 mm/memcontrol.c:2430
 try_charge_memcg+0x6c2/0xd20 mm/memcontrol.c:2790
 obj_cgroup_charge_pages+0xbd/0x1c0 mm/memcontrol.c:3301
 __memcg_kmem_charge_page+0x9c/0x170 mm/memcontrol.c:3327
 __alloc_pages+0x1bb/0x340 mm/page_alloc.c:4584
 alloc_pages_mpol+0xb1/0x1d0 mm/mempolicy.c:2133
 alloc_pages+0xe0/0x100 mm/mempolicy.c:2204
 vm_area_alloc_pages mm/vmalloc.c:3063 [inline]
 __vmalloc_area_node mm/vmalloc.c:3139 [inline]
 __vmalloc_node_range+0x6ee/0xec0 mm/vmalloc.c:3320
 kvmalloc_node+0x121/0x170 mm/util.c:642
 kvmalloc include/linux/slab.h:728 [inline]
 xt_alloc_table_info+0x3d/0x80 net/netfilter/x_tables.c:1192
 do_replace net/ipv4/netfilter/arp_tables.c:970 [inline]
 do_arpt_set_ctl+0x634/0x13c0 net/ipv4/netfilter/arp_tables.c:1421
 nf_setsockopt+0x18d/0x1b0 net/netfilter/nf_sockopt.c:101
 ip_setsockopt+0xe6/0x100 net/ipv4/ip_sockglue.c:1420
 tcp_setsockopt+0x90/0xa0 net/ipv4/tcp.c:3734
 sock_common_setsockopt+0x61/0x70 net/core/sock.c:3715
 do_sock_setsockopt net/socket.c:2311 [inline]
 __sys_setsockopt+0x1d4/0x240 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x00000040 -> 0x0000003f

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 12748 Comm: syz-executor.0 Not tainted 6.8.0-rc5-syzkaller-00381-g70ff1fe626a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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