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BUG: KCSAN: data-race in page_counter_try_charge / page_counter_try_charge

write to 0xffff8880a2647158 of 8 bytes by task 14947 on cpu 0:
 page_counter_try_charge+0xf7/0x170 mm/page_counter.c:129
 try_charge+0x17f/0xbe0 mm/memcontrol.c:2405
 __memcg_kmem_charge_memcg+0x49/0xe0 mm/memcontrol.c:2837
 __memcg_kmem_charge+0xcd/0x1b0 mm/memcontrol.c:2877
 __alloc_pages_nodemask+0x268/0x310 mm/page_alloc.c:4755
 alloc_pages_current+0xca/0x170 mm/mempolicy.c:2211
 alloc_pages include/linux/gfp.h:532 [inline]
 __vmalloc_area_node mm/vmalloc.c:2490 [inline]
 __vmalloc_node_range+0x2de/0x4c0 mm/vmalloc.c:2554
 __vmalloc_node mm/vmalloc.c:2609 [inline]
 __vmalloc_node_flags_caller+0x65/0x80 mm/vmalloc.c:2631
 kvmalloc_node+0xe2/0x100 mm/util.c:583
 kvmalloc include/linux/mm.h:645 [inline]
 xt_alloc_table_info+0x46/0x80 net/netfilter/x_tables.c:1176
 do_replace net/ipv6/netfilter/ip6_tables.c:1142 [inline]
 do_ip6t_set_ctl+0x18f/0x333 net/ipv6/netfilter/ip6_tables.c:1681
 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
 nf_setsockopt+0x67/0xa0 net/netfilter/nf_sockopt.c:115
 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline]
 ipv6_setsockopt+0x118/0x130 net/ipv6/ipv6_sockglue.c:933
 tcp_setsockopt net/ipv4/tcp.c:3165 [inline]
 tcp_setsockopt+0x6c/0xb0 net/ipv4/tcp.c:3159
 sock_common_setsockopt+0x5d/0x80 net/core/sock.c:3149
 __sys_setsockopt+0x1d6/0x380 net/socket.c:2130
 __do_sys_setsockopt net/socket.c:2146 [inline]
 __se_sys_setsockopt net/socket.c:2143 [inline]
 __x64_sys_setsockopt+0x6b/0x80 net/socket.c:2143
 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff8880a2647158 of 8 bytes by task 14907 on cpu 1:
 page_counter_try_charge+0xe7/0x170 mm/page_counter.c:129
 try_charge+0x17f/0xbe0 mm/memcontrol.c:2405
 __memcg_kmem_charge_memcg+0x49/0xe0 mm/memcontrol.c:2837
 __memcg_kmem_charge+0xcd/0x1b0 mm/memcontrol.c:2877
 __alloc_pages_nodemask+0x268/0x310 mm/page_alloc.c:4755
 alloc_pages_current+0xca/0x170 mm/mempolicy.c:2211
 alloc_pages include/linux/gfp.h:532 [inline]
 __vmalloc_area_node mm/vmalloc.c:2490 [inline]
 __vmalloc_node_range+0x2de/0x4c0 mm/vmalloc.c:2554
 __vmalloc_node mm/vmalloc.c:2609 [inline]
 __vmalloc_node_flags_caller+0x65/0x80 mm/vmalloc.c:2631
 kvmalloc_node+0xe2/0x100 mm/util.c:583
 kvmalloc include/linux/mm.h:645 [inline]
 xt_alloc_table_info+0x46/0x80 net/netfilter/x_tables.c:1176
 do_replace net/ipv6/netfilter/ip6_tables.c:1142 [inline]
 do_ip6t_set_ctl+0x18f/0x333 net/ipv6/netfilter/ip6_tables.c:1681
 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
 nf_setsockopt+0x67/0xa0 net/netfilter/nf_sockopt.c:115
 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline]
 ipv6_setsockopt+0x118/0x130 net/ipv6/ipv6_sockglue.c:933
 tcp_setsockopt net/ipv4/tcp.c:3165 [inline]
 tcp_setsockopt+0x6c/0xb0 net/ipv4/tcp.c:3159
 sock_common_setsockopt+0x5d/0x80 net/core/sock.c:3149
 __sys_setsockopt+0x1d6/0x380 net/socket.c:2130
 __do_sys_setsockopt net/socket.c:2146 [inline]
 __se_sys_setsockopt net/socket.c:2143 [inline]
 __x64_sys_setsockopt+0x6b/0x80 net/socket.c:2143
 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 14907 Comm: syz-executor.0 Not tainted 5.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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