EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
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BUG: KCSAN: data-race in __lru_add_drain_all / folio_batch_move_lru

write to 0xffff888237d29b88 of 1 bytes by task 4796 on cpu 1:
 folio_batch_reinit include/linux/pagevec.h:48 [inline]
 folio_batch_move_lru+0x2bf/0x2f0 mm/swap.c:225
 folio_activate_drain mm/swap.c:349 [inline]
 lru_add_drain_cpu+0x23b/0x270 mm/swap.c:677
 lru_add_drain mm/swap.c:752 [inline]
 __folio_batch_release+0x5f/0xe0 mm/swap.c:1059
 folio_batch_release include/linux/pagevec.h:83 [inline]
 shmem_undo_range+0x336/0x9a0 mm/shmem.c:1022
 shmem_truncate_range mm/shmem.c:1114 [inline]
 shmem_evict_inode+0x153/0x530 mm/shmem.c:1243
 evict+0x1aa/0x410 fs/inode.c:664
 iput_final fs/inode.c:1775 [inline]
 iput+0x42c/0x5b0 fs/inode.c:1801
 dentry_unlink_inode+0x22a/0x240 fs/dcache.c:401
 __dentry_kill+0x2db/0x4a0 fs/dcache.c:607
 dentry_kill+0x8d/0x1e0
 dput+0x118/0x1f0 fs/dcache.c:913
 do_renameat2+0x7d7/0xa40 fs/namei.c:5015
 __do_sys_rename fs/namei.c:5059 [inline]
 __se_sys_rename fs/namei.c:5057 [inline]
 __x64_sys_rename+0x5c/0x70 fs/namei.c:5057
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffff888237d29b88 of 1 bytes by task 3091 on cpu 0:
 folio_batch_count include/linux/pagevec.h:53 [inline]
 cpu_needs_drain mm/swap.c:800 [inline]
 __lru_add_drain_all+0x21d/0x420 mm/swap.c:889
 lru_add_drain_all+0x10/0x20 mm/swap.c:905
 invalidate_bdev+0x54/0x70 block/bdev.c:86
 ext4_put_super+0x51b/0x7d0 fs/ext4/super.c:1353
 generic_shutdown_super+0xdb/0x210 fs/super.c:693
 kill_block_super+0x2a/0x60 fs/super.c:1646
 ext4_kill_sb+0x44/0x80 fs/ext4/super.c:7305
 deactivate_locked_super+0x73/0x1c0 fs/super.c:481
 deactivate_super+0x9b/0xb0 fs/super.c:514
 cleanup_mnt+0x272/0x2e0 fs/namespace.c:1254
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1261
 task_work_run+0x135/0x1a0 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd6/0xe0 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0x6c/0xb0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x09 -> 0x00

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3091 Comm: syz-executor.1 Not tainted 6.6.0-rc7-syzkaller-00012-ge017769f4ce2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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