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BUG: KCSAN: data-race in __mark_inode_dirty / writeback_sb_inodes

write to 0xffff8881065c41c0 of 8 bytes by task 1597 on cpu 0:
 writeback_sb_inodes+0x2da/0xad0 fs/fs-writeback.c:1888
 wb_writeback+0x252/0x6e0 fs/fs-writeback.c:2075
 wb_do_writeback fs/fs-writeback.c:2222 [inline]
 wb_workfn+0x1a8/0x8d0 fs/fs-writeback.c:2262
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2703
 worker_thread+0x525/0x730 kernel/workqueue.c:2784
 kthread+0x1d7/0x210 kernel/kthread.c:388
 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

read to 0xffff8881065c41c0 of 8 bytes by task 11169 on cpu 1:
 __mark_inode_dirty+0x58/0x7d0 fs/fs-writeback.c:2417
 mark_inode_dirty_sync include/linux/fs.h:2242 [inline]
 dquot_free_space include/linux/quotaops.h:385 [inline]
 dquot_free_block include/linux/quotaops.h:395 [inline]
 ext4_mb_new_blocks+0x16a2/0x21e0 fs/ext4/mballoc.c:6273
 ext4_ext_map_blocks+0x1086/0x3640 fs/ext4/extents.c:4285
 ext4_map_blocks+0x704/0xf60 fs/ext4/inode.c:621
 ext4_alloc_file_blocks+0x285/0x6f0 fs/ext4/extents.c:4462
 ext4_zero_range+0x73c/0x850 fs/ext4/extents.c:4622
 ext4_fallocate+0x3ab/0x1190 fs/ext4/extents.c:4721
 vfs_fallocate+0x378/0x3e0 fs/open.c:324
 ksys_fallocate fs/open.c:347 [inline]
 __do_sys_fallocate fs/open.c:355 [inline]
 __se_sys_fallocate fs/open.c:353 [inline]
 __x64_sys_fallocate+0x79/0xc0 fs/open.c:353
 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

value changed: 0x0000000000020007 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 11169 Comm: syz-executor.3 Not tainted 6.6.0-rc7-syzkaller-00041-g611da07b89fd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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