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BUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata

write to 0xffff8881049ef1d4 of 4 bytes by task 6670 on cpu 0:
 jbd2_journal_dirty_metadata+0x2f6/0x690 fs/jbd2/transaction.c:1538
 __ext4_handle_dirty_metadata+0xfb/0x5a0 fs/ext4/ext4_jbd2.c:348
 __ext4_new_inode+0x1207/0x2fc0 fs/ext4/ialloc.c:1126
 ext4_symlink+0x2cc/0x700 fs/ext4/namei.c:3293
 vfs_symlink+0x241/0x330 fs/namei.c:4248
 do_symlinkat+0x104/0x380 fs/namei.c:4277
 __do_sys_symlink fs/namei.c:4299 [inline]
 __se_sys_symlink fs/namei.c:4297 [inline]
 __x64_sys_symlink+0x52/0x60 fs/namei.c:4297
 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 0xffff8881049ef1d4 of 4 bytes by task 6672 on cpu 1:
 jbd2_journal_dirty_metadata+0x16f/0x690 fs/jbd2/transaction.c:1506
 __ext4_handle_dirty_metadata+0xfb/0x5a0 fs/ext4/ext4_jbd2.c:348
 __ext4_new_inode+0x1207/0x2fc0 fs/ext4/ialloc.c:1126
 ext4_symlink+0x2cc/0x700 fs/ext4/namei.c:3293
 vfs_symlink+0x241/0x330 fs/namei.c:4248
 do_symlinkat+0x104/0x380 fs/namei.c:4277
 __do_sys_symlink fs/namei.c:4299 [inline]
 __se_sys_symlink fs/namei.c:4297 [inline]
 __x64_sys_symlink+0x52/0x60 fs/namei.c:4297
 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: 1 PID: 6672 Comm: syz-executor.3 Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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