================================================================== BUG: KCSAN: data-race in __ext4_handle_dirty_metadata / jbd2_journal_commit_transaction write to 0xffff8881448df000 of 8 bytes by task 4811 on cpu 1: jbd2_journal_commit_transaction+0x2962/0x3290 fs/jbd2/commit.c:1181 kjournald2+0x263/0x480 fs/jbd2/journal.c:213 kthread+0x20b/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffff8881448df000 of 8 bytes by task 8389 on cpu 0: is_journal_aborted include/linux/jbd2.h:1647 [inline] is_handle_aborted include/linux/jbd2.h:1654 [inline] __ext4_handle_dirty_metadata+0x11a/0x590 fs/ext4/ext4_jbd2.c:333 ext4_do_update_inode fs/ext4/inode.c:5141 [inline] ext4_mark_iloc_dirty+0x12f2/0x16f0 fs/ext4/inode.c:5724 ext4_orphan_del+0x486/0x4a0 fs/ext4/namei.c:3101 ext4_evict_inode+0xb90/0xef0 fs/ext4/inode.c:319 evict+0x1aa/0x410 fs/inode.c:578 iput_final fs/inode.c:1654 [inline] iput+0x3fd/0x520 fs/inode.c:1680 do_unlinkat+0x2e9/0x4f0 fs/namei.c:4103 __do_sys_unlink fs/namei.c:4143 [inline] __se_sys_unlink fs/namei.c:4141 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4141 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 8389 Comm: syz-executor.3 Not tainted 5.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================