================================================================== BUG: KCSAN: data-race in jbd2_journal_stop / jbd2_journal_stop write to 0xffff888144467480 of 4 bytes by task 25194 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_symlink+0x559/0x780 fs/ext4/namei.c:3408 vfs_symlink+0x216/0x2d0 fs/namei.c:3962 do_symlinkat+0xee/0x280 fs/namei.c:3989 __do_sys_symlink fs/namei.c:4008 [inline] __se_sys_symlink fs/namei.c:4006 [inline] __x64_sys_symlink+0x32/0x40 fs/namei.c:4006 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888144467480 of 4 bytes by task 25195 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_symlink+0x559/0x780 fs/ext4/namei.c:3408 vfs_symlink+0x216/0x2d0 fs/namei.c:3962 do_symlinkat+0xee/0x280 fs/namei.c:3989 __do_sys_symlink fs/namei.c:4008 [inline] __se_sys_symlink fs/namei.c:4006 [inline] __x64_sys_symlink+0x32/0x40 fs/namei.c:4006 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: 25195 Comm: syz-executor.0 Not tainted 5.11.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================