==================================================================
BUG: KCSAN: data-race in page_counter_charge / page_counter_try_charge

write to 0xffff88821b672150 of 8 bytes by task 16997 on cpu 1:
 page_counter_charge+0x80/0xc0 mm/page_counter.c:86
 mem_cgroup_migrate+0xb7/0x220 mm/memcontrol.c:6698
 migrate_page_states+0x52f/0x930 mm/migrate.c:651
 migrate_page_copy+0x288/0x9a0 mm/migrate.c:662
 migrate_page+0xf2/0x150 mm/migrate.c:690
 move_to_new_page+0x17f/0x3d0 mm/migrate.c:941
 __unmap_and_move mm/migrate.c:1116 [inline]
 unmap_and_move mm/migrate.c:1193 [inline]
 migrate_pages+0x1331/0x18e0 mm/migrate.c:1423
 do_mbind+0x937/0xa40 mm/mempolicy.c:1317
 kernel_mbind+0x111/0x130 mm/mempolicy.c:1438
 __do_sys_mbind mm/mempolicy.c:1445 [inline]
 __se_sys_mbind mm/mempolicy.c:1441 [inline]
 __x64_sys_mbind+0x89/0xb0 mm/mempolicy.c:1441
 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff88821b672150 of 8 bytes by task 16995 on cpu 0:
 page_counter_try_charge+0x58/0x170 mm/page_counter.c:138
 try_charge+0x185/0xbf0 mm/memcontrol.c:2405
 mem_cgroup_try_charge+0xd2/0x260 mm/memcontrol.c:6404
 mem_cgroup_try_charge_delay+0x3a/0x80 mm/memcontrol.c:6419
 __do_huge_pmd_anonymous_page mm/huge_memory.c:584 [inline]
 do_huge_pmd_anonymous_page+0x367/0xff0 mm/huge_memory.c:764
 create_huge_pmd mm/memory.c:3836 [inline]
 __handle_mm_fault+0x1d78/0x2e00 mm/memory.c:4046
 handle_mm_fault+0x21b/0x530 mm/memory.c:4112
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x456/0x8d0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x194 arch/x86/mm/fault.c:1530
 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 16995 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================