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BUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata

write to 0xffff888103a3a944 of 4 bytes by task 1817 on cpu 0:
 jbd2_journal_dirty_metadata+0x2f7/0x680 fs/jbd2/transaction.c:1547
 __ext4_handle_dirty_metadata+0xe2/0x470 fs/ext4/ext4_jbd2.c:350
 ext4_do_update_inode fs/ext4/inode.c:5143 [inline]
 ext4_mark_iloc_dirty+0x512/0x860 fs/ext4/inode.c:5724
 __ext4_mark_inode_dirty+0x452/0x610 fs/ext4/inode.c:5920
 add_dirent_to_buf+0x364/0x470 fs/ext4/namei.c:2139
 ext4_add_entry+0x3ce/0x1e50 fs/ext4/namei.c:2361
 ext4_mkdir+0x385/0x760 fs/ext4/namei.c:2944
 vfs_mkdir+0x216/0x320 fs/namei.c:3931
 do_mkdirat+0x105/0x280 fs/namei.c:3957
 __do_sys_mkdirat fs/namei.c:3972 [inline]
 __se_sys_mkdirat fs/namei.c:3970 [inline]
 __x64_sys_mkdirat+0x4c/0x60 fs/namei.c:3970
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff888103a3a944 of 4 bytes by task 1857 on cpu 1:
 jbd2_journal_dirty_metadata+0x170/0x680 fs/jbd2/transaction.c:1515
 __ext4_handle_dirty_metadata+0xe2/0x470 fs/ext4/ext4_jbd2.c:350
 ext4_do_update_inode fs/ext4/inode.c:5143 [inline]
 ext4_mark_iloc_dirty+0x512/0x860 fs/ext4/inode.c:5724
 __ext4_mark_inode_dirty+0x452/0x610 fs/ext4/inode.c:5920
 add_dirent_to_buf+0x364/0x470 fs/ext4/namei.c:2139
 ext4_add_entry+0x3ce/0x1e50 fs/ext4/namei.c:2361
 ext4_mkdir+0x385/0x760 fs/ext4/namei.c:2944
 vfs_mkdir+0x216/0x320 fs/namei.c:3931
 do_mkdirat+0x105/0x280 fs/namei.c:3957
 __do_sys_mkdirat fs/namei.c:3972 [inline]
 __se_sys_mkdirat fs/namei.c:3970 [inline]
 __x64_sys_mkdirat+0x4c/0x60 fs/namei.c:3970
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 1857 Comm: syz-executor.4 Not tainted 5.18.0-rc5-syzkaller-00207-g379c72654524 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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