================================================================== BUG: KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit write to 0xffff888102ab9c68 of 4 bytes by task 344 on cpu 1: jbd2_journal_commit_transaction+0x2ad5/0x3430 fs/jbd2/commit.c:1154 kjournald2+0x268/0x490 fs/jbd2/journal.c:213 kthread+0x262/0x280 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 read to 0xffff888102ab9c68 of 4 bytes by task 10505 on cpu 0: jbd2_log_wait_commit+0x100/0x210 fs/jbd2/journal.c:712 jbd2_journal_stop+0x517/0x660 fs/jbd2/transaction.c:1932 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127 ext4_symlink+0x4db/0x700 fs/ext4/namei.c:3365 vfs_symlink+0x23f/0x350 fs/namei.c:4250 do_symlinkat+0x104/0x380 fs/namei.c:4279 __do_sys_symlink fs/namei.c:4301 [inline] __se_sys_symlink fs/namei.c:4299 [inline] __x64_sys_symlink+0x52/0x60 fs/namei.c:4299 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x0001c7d3 -> 0x0001c7d4 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 10505 Comm: syz-executor.5 Not tainted 5.15.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================