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BUG: KCSAN: data-race in jbd2_journal_file_inode / jbd2_journal_finish_inode_data_buffers

write to 0xffff88810b5934f8 of 8 bytes by task 15105 on cpu 1:
 jbd2_journal_file_inode+0x17a/0x330 fs/jbd2/transaction.c:2662
 jbd2_journal_inode_ranged_write+0x30/0x40 fs/jbd2/transaction.c:2700
 ext4_jbd2_inode_add_write fs/ext4/ext4_jbd2.h:418 [inline]
 move_extent_per_page+0x1129/0x16c0 fs/ext4/move_extent.c:393
 ext4_move_extents+0xaac/0xc00 fs/ext4/move_extent.c:673
 __ext4_ioctl fs/ext4/ioctl.c:988 [inline]
 ext4_ioctl+0x20ec/0x3560 fs/ext4/ioctl.c:1322
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:739
 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:739
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff88810b5934f8 of 8 bytes by task 4854 on cpu 0:
 jbd2_journal_finish_inode_data_buffers+0x3d/0x60 fs/jbd2/commit.c:276
 ext4_journal_finish_inode_data_buffers+0x41/0x60 fs/ext4/super.c:543
 journal_finish_inode_data_buffers fs/jbd2/commit.c:299 [inline]
 jbd2_journal_commit_transaction+0x1635/0x32b0 fs/jbd2/commit.c:786
 kjournald2+0x263/0x480 fs/jbd2/journal.c:213
 kthread+0x20b/0x230 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 4854 Comm: jbd2/sda1-8 Not tainted 5.11.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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