================================================================== BUG: KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit write to 0xffff88810376cc68 of 4 bytes by task 1403 on cpu 0: jbd2_journal_commit_transaction+0x2a77/0x3460 fs/jbd2/commit.c:1154 kjournald2+0x263/0x480 fs/jbd2/journal.c:213 kthread+0x2c7/0x2e0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 read to 0xffff88810376cc68 of 4 bytes by task 11405 on cpu 1: jbd2_log_wait_commit+0xb3/0x210 fs/jbd2/journal.c:712 jbd2_journal_stop+0x522/0x6a0 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+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: 0x0000103d -> 0x0000103e Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 11405 Comm: syz-executor.5 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================