==================================================================
BUG: KCSAN: data-race in __mark_inode_dirty / move_expired_inodes

read-write to 0xffff8881006329b8 of 8 bytes by task 40 on cpu 0:
 move_expired_inodes+0x17b/0x410 fs/fs-writeback.c:1429
 queue_io+0xe1/0x2e0 fs/fs-writeback.c:1481
 wb_writeback+0x22f/0x720 fs/fs-writeback.c:2123
 wb_check_start_all fs/fs-writeback.c:2255 [inline]
 wb_do_writeback fs/fs-writeback.c:2281 [inline]
 wb_workfn+0x4ea/0x940 fs/fs-writeback.c:2314
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3312
 worker_thread+0x526/0x6e0 kernel/workqueue.c:3389
 kthread+0x1d1/0x210 kernel/kthread.c:389
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

read to 0xffff8881006329b8 of 8 bytes by task 2923 on cpu 1:
 __mark_inode_dirty+0x19f/0x7e0 fs/fs-writeback.c:2508
 mark_buffer_dirty+0x149/0x230 fs/buffer.c:1209
 __jbd2_journal_temp_unlink_buffer+0x25a/0x2a0 fs/jbd2/transaction.c:2064
 __jbd2_journal_unfile_buffer fs/jbd2/transaction.c:2078 [inline]
 __jbd2_journal_refile_buffer+0x1eb/0x230 fs/jbd2/transaction.c:2586
 jbd2_journal_commit_transaction+0x2536/0x33e0 fs/jbd2/commit.c:1040
 kjournald2+0x20b/0x3c0 fs/jbd2/journal.c:201
 kthread+0x1d1/0x210 kernel/kthread.c:389
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

value changed: 0x0000000000000004 -> 0x0000000000020084

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 2923 Comm: jbd2/sda1-8 Not tainted 6.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
==================================================================