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BUG: KCSAN: data-race in __lru_add_drain_all / __pagevec_lru_add

write to 0xffff888237d27998 of 1 bytes by task 8427 on cpu 1:
 pagevec_reinit include/linux/pagevec.h:57 [inline]
 __pagevec_lru_add+0x243/0x270 mm/swap.c:1076
 folio_add_lru+0x11a/0x160 mm/swap.c:469
 lru_cache_add+0x37/0x50 mm/folio-compat.c:108
 lru_cache_add_inactive_or_unevictable+0x46/0x140 mm/swap.c:500
 wp_page_copy+0x779/0x10e0 mm/memory.c:3070
 do_wp_page+0x4fb/0xa80
 handle_pte_fault mm/memory.c:4592 [inline]
 __handle_mm_fault mm/memory.c:4709 [inline]
 handle_mm_fault+0x975/0x1590 mm/memory.c:4807
 do_user_addr_fault+0x617/0xb90 arch/x86/mm/fault.c:1397
 handle_page_fault arch/x86/mm/fault.c:1484 [inline]
 exc_page_fault+0x91/0x290 arch/x86/mm/fault.c:1540
 asm_exc_page_fault+0x1e/0x30
 __put_user_nocheck_4+0x3/0x11
 schedule_tail+0x41/0x50 kernel/sched/core.c:4926
 ret_from_fork+0x8/0x30

read to 0xffff888237d27998 of 1 bytes by task 1848 on cpu 0:
 pagevec_count include/linux/pagevec.h:62 [inline]
 __lru_add_drain_all+0x12c/0x3e0 mm/swap.c:835
 lru_add_drain_all+0xc/0x10 mm/swap.c:857
 invalidate_bdev+0x56/0x80 block/bdev.c:88
 ext4_put_super+0x408/0x610 fs/ext4/super.c:1272
 generic_shutdown_super+0xdf/0x250 fs/super.c:465
 kill_block_super+0x4a/0x90 fs/super.c:1397
 deactivate_locked_super+0x6a/0xb0 fs/super.c:335
 deactivate_super+0x85/0x90 fs/super.c:366
 cleanup_mnt+0x267/0x2d0 fs/namespace.c:1143
 __cleanup_mnt+0x15/0x20 fs/namespace.c:1150
 task_work_run+0x8e/0x110 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x160/0x190 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:300
 do_syscall_64+0x50/0xd0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x0f -> 0x00

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 1848 Comm: syz-executor.3 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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