==================================================================
BUG: KCSAN: data-race in jbd2_journal_stop / jbd2_journal_stop

write to 0xffff888102671480 of 4 bytes by task 8437 on cpu 1:
 jbd2_journal_stop+0x2e6/0x6d0 fs/jbd2/transaction.c:1852
 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127
 ext4_evict_inode+0xbfc/0xef0 fs/ext4/inode.c:333
 evict+0x1aa/0x410 fs/inode.c:577
 iput_final fs/inode.c:1653 [inline]
 iput+0x3fd/0x520 fs/inode.c:1679
 do_unlinkat+0x2c9/0x4d0 fs/namei.c:3905
 __do_sys_unlink fs/namei.c:3945 [inline]
 __se_sys_unlink fs/namei.c:3943 [inline]
 __x64_sys_unlink+0x2c/0x30 fs/namei.c:3943
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff888102671480 of 4 bytes by task 11691 on cpu 0:
 jbd2_journal_stop+0x297/0x6d0 fs/jbd2/transaction.c:1848
 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127
 ext4_evict_inode+0xbfc/0xef0 fs/ext4/inode.c:333
 evict+0x1aa/0x410 fs/inode.c:577
 iput_final fs/inode.c:1653 [inline]
 iput+0x3fd/0x520 fs/inode.c:1679
 do_unlinkat+0x2c9/0x4d0 fs/namei.c:3905
 __do_sys_unlink fs/namei.c:3945 [inline]
 __se_sys_unlink fs/namei.c:3943 [inline]
 __x64_sys_unlink+0x2c/0x30 fs/namei.c:3943
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 11691 Comm: syz-executor.3 Not tainted 5.11.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================