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BUG: KCSAN: data-race in ext4_mark_iloc_dirty / jbd2_journal_commit_transaction

write to 0xffff88814459b000 of 8 bytes by task 4800 on cpu 1:
 jbd2_journal_commit_transaction+0x228/0x3290 fs/jbd2/commit.c:443
 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:294

read to 0xffff88814459b000 of 8 bytes by task 8381 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:5158 [inline]
 ext4_mark_iloc_dirty+0x14ef/0x16f0 fs/ext4/inode.c:5724
 __ext4_mark_inode_dirty+0x4db/0x5e0 fs/ext4/inode.c:5918
 ext4_rmdir+0x76c/0x970 fs/ext4/namei.c:3175
 vfs_rmdir+0x13b/0x2a0 fs/namei.c:3899
 do_rmdir+0x186/0x310 fs/namei.c:3962
 __do_sys_rmdir fs/namei.c:3980 [inline]
 __se_sys_rmdir fs/namei.c:3978 [inline]
 __x64_sys_rmdir+0x2c/0x30 fs/namei.c:3978
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 8381 Comm: syz-executor.1 Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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