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BUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata

write to 0xffff888124dda474 of 4 bytes by task 1830 on cpu 1:
 jbd2_journal_dirty_metadata+0x2f6/0x690 fs/jbd2/transaction.c:1538
 __ext4_handle_dirty_metadata+0xfb/0x5a0 fs/ext4/ext4_jbd2.c:348
 ext4_do_update_inode fs/ext4/inode.c:5106 [inline]
 ext4_mark_iloc_dirty+0x513/0x890 fs/ext4/inode.c:5694
 __ext4_mark_inode_dirty+0x4ec/0x5f0 fs/ext4/inode.c:5890
 add_dirent_to_buf+0x364/0x470 fs/ext4/namei.c:2139
 ext4_add_entry+0x3de/0x20e0 fs/ext4/namei.c:2361
 ext4_mkdir+0x385/0x760 fs/ext4/namei.c:2944
 vfs_mkdir+0x2c8/0x3d0 fs/namei.c:3883
 do_mkdirat+0x12e/0x2c0 fs/namei.c:3909
 __do_sys_mkdir fs/namei.c:3929 [inline]
 __se_sys_mkdir fs/namei.c:3927 [inline]
 __x64_sys_mkdir+0x40/0x50 fs/namei.c:3927
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff888124dda474 of 4 bytes by task 1818 on cpu 0:
 jbd2_journal_dirty_metadata+0x16f/0x690 fs/jbd2/transaction.c:1506
 __ext4_handle_dirty_metadata+0xfb/0x5a0 fs/ext4/ext4_jbd2.c:348
 ext4_do_update_inode fs/ext4/inode.c:5106 [inline]
 ext4_mark_iloc_dirty+0x513/0x890 fs/ext4/inode.c:5694
 __ext4_mark_inode_dirty+0x4ec/0x5f0 fs/ext4/inode.c:5890
 add_dirent_to_buf+0x364/0x470 fs/ext4/namei.c:2139
 ext4_add_entry+0x3de/0x20e0 fs/ext4/namei.c:2361
 ext4_mkdir+0x385/0x760 fs/ext4/namei.c:2944
 vfs_mkdir+0x2c8/0x3d0 fs/namei.c:3883
 do_mkdirat+0x12e/0x2c0 fs/namei.c:3909
 __do_sys_mkdir fs/namei.c:3929 [inline]
 __se_sys_mkdir fs/namei.c:3927 [inline]
 __x64_sys_mkdir+0x40/0x50 fs/namei.c:3927
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 1818 Comm: syz-executor.0 Tainted: G        W         5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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