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BUG: KCSAN: data-race in __lru_add_drain_all / pagevec_lru_move_fn

write to 0xffff888237c27848 of 1 bytes by task 3005 on cpu 0:
 pagevec_reinit include/linux/pagevec.h:56 [inline]
 pagevec_lru_move_fn+0x317/0x340 mm/swap.c:215
 lru_add_drain_cpu+0x155/0x260 mm/swap.c:627
 lru_add_drain mm/swap.c:716 [inline]
 __pagevec_release+0x4b/0xc0 mm/swap.c:996
 pagevec_release include/linux/pagevec.h:81 [inline]
 __invalidate_mapping_pages+0x21f/0x2b0 mm/truncate.c:519
 invalidate_mapping_pages+0x23/0x30 mm/truncate.c:543
 invalidate_bdev+0x67/0x80 block/bdev.c:89
 ext4_put_super+0x620/0x910 fs/ext4/super.c:1247
 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:1137
 __cleanup_mnt+0x15/0x20 fs/namespace.c:1144
 task_work_run+0x8e/0x110 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [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

read to 0xffff888237c27848 of 1 bytes by task 18230 on cpu 1:
 pagevec_count include/linux/pagevec.h:61 [inline]
 __lru_add_drain_all+0x1a3/0x3e0 mm/swap.c:836
 lru_add_drain_all+0xc/0x10 mm/swap.c:856
 invalidate_bdev+0x56/0x80 block/bdev.c:88
 ext4_put_super+0x620/0x910 fs/ext4/super.c:1247
 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:1137
 __cleanup_mnt+0x15/0x20 fs/namespace.c:1144
 task_work_run+0x8e/0x110 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [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: 0x01 -> 0x00

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 18230 Comm: syz-executor.2 Tainted: G        W         5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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