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BUG: KCSAN: data-race in ext4_mark_iloc_dirty / jbd2_journal_commit_transaction

write to 0xffff88810620b800 of 8 bytes by task 4854 on cpu 1:
 jbd2_journal_commit_transaction+0x2982/0x32b0 fs/jbd2/commit.c:1181
 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

read to 0xffff88810620b800 of 8 bytes by task 14312 on cpu 0:
 is_journal_aborted include/linux/jbd2.h:1647 [inline]
 is_handle_aborted include/linux/jbd2.h:1654 [inline]
 ext4_update_inode_fsync_trans fs/ext4/ext4_jbd2.h:438 [inline]
 ext4_do_update_inode fs/ext4/inode.c:5161 [inline]
 ext4_mark_iloc_dirty+0x14ea/0x16f0 fs/ext4/inode.c:5725
 __ext4_mark_inode_dirty+0x4d6/0x5e0 fs/ext4/inode.c:5919
 __ext4_new_inode+0x2ae7/0x3020 fs/ext4/ialloc.c:1335
 ext4_mkdir+0x28a/0x750 fs/ext4/namei.c:2793
 vfs_mkdir+0x288/0x350 fs/namei.c:3652
 do_mkdirat+0x132/0x220 fs/namei.c:3675
 __do_sys_mkdir fs/namei.c:3691 [inline]
 __se_sys_mkdir fs/namei.c:3689 [inline]
 __x64_sys_mkdir+0x32/0x40 fs/namei.c:3689
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 14312 Comm: syz-executor.0 Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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