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BUG: KCSAN: data-race in __mark_inode_dirty / move_expired_inodes

write to 0xffff888105dd8c10 of 8 bytes by task 26691 on cpu 0:
 move_expired_inodes+0x1ca/0x4c0 fs/fs-writeback.c:1406
 queue_io+0xe1/0x270 fs/fs-writeback.c:1453
 wb_writeback+0x255/0x6d0 fs/fs-writeback.c:2051
 wb_do_writeback+0x101/0x530 fs/fs-writeback.c:2196
 wb_workfn+0xc8/0x540 fs/fs-writeback.c:2237
 process_one_work+0x402/0x910 kernel/workqueue.c:2297
 worker_thread+0x636/0xae0 kernel/workqueue.c:2444
 kthread+0x262/0x280 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30

read to 0xffff888105dd8c10 of 8 bytes by task 5838 on cpu 1:
 __mark_inode_dirty+0xda/0x6a0 fs/fs-writeback.c:2419
 mark_buffer_dirty+0x143/0x200 fs/buffer.c:1112
 __block_commit_write fs/buffer.c:2083 [inline]
 block_write_end+0x13d/0x260 fs/buffer.c:2162
 generic_write_end+0x5e/0x180 fs/buffer.c:2176
 ext4_da_write_end+0x59b/0x730 fs/ext4/inode.c:3116
 generic_perform_write+0x251/0x3e0 mm/filemap.c:3781
 ext4_buffered_write_iter+0x305/0x400 fs/ext4/file.c:269
 ext4_file_write_iter+0x2e7/0x11f0
 call_write_iter include/linux/fs.h:2163 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x7bc/0x900 fs/read_write.c:594
 ksys_write+0xd9/0x190 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x3e/0x50 fs/read_write.c:656
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x0000000000000007 -> 0x0000000000020087

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 5838 Comm: syz-executor.3 Not tainted 5.15.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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