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BUG: KCSAN: data-race in jbd2_journal_stop / jbd2_journal_stop

read to 0xffff888103d95cf8 of 4 bytes by task 10480 on cpu 0:
 jbd2_journal_stop+0x297/0x6a0 fs/jbd2/transaction.c:1870
 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127
 ext4_symlink+0x4db/0x700 fs/ext4/namei.c:3365
 vfs_symlink+0x18a/0x280 fs/namei.c:4299
 do_symlinkat+0x104/0x380 fs/namei.c:4328
 __do_sys_symlink fs/namei.c:4350 [inline]
 __se_sys_symlink fs/namei.c:4348 [inline]
 __x64_sys_symlink+0x52/0x60 fs/namei.c:4348
 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

write to 0xffff888103d95cf8 of 4 bytes by task 10481 on cpu 1:
 jbd2_journal_stop+0x2e6/0x6a0 fs/jbd2/transaction.c:1874
 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127
 ext4_symlink+0x4db/0x700 fs/ext4/namei.c:3365
 vfs_symlink+0x18a/0x280 fs/namei.c:4299
 do_symlinkat+0x104/0x380 fs/namei.c:4328
 __do_sys_symlink fs/namei.c:4350 [inline]
 __se_sys_symlink fs/namei.c:4348 [inline]
 __x64_sys_symlink+0x52/0x60 fs/namei.c:4348
 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: 0x00000737 -> 0x000028f0

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 10481 Comm: syz-executor.3 Tainted: G        W         5.17.0-rc2-syzkaller-00039-g9f7fb8de5d9b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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