================================================================== BUG: KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_journal_dirty_metadata write to 0xffff8881027bf800 of 8 bytes by task 4801 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 0xffff8881027bf800 of 8 bytes by task 8407 on cpu 0: is_journal_aborted include/linux/jbd2.h:1647 [inline] is_handle_aborted include/linux/jbd2.h:1654 [inline] jbd2_journal_dirty_metadata+0x5e/0x670 fs/jbd2/transaction.c:1458 __ext4_handle_dirty_metadata+0xc6/0x590 fs/ext4/ext4_jbd2.c:331 ext4_free_blocks+0x167d/0x1be0 fs/ext4/mballoc.c:5485 ext4_remove_blocks+0x7fb/0xa10 fs/ext4/extents.c:2498 ext4_ext_rm_leaf+0x666/0xe40 fs/ext4/extents.c:2664 ext4_ext_remove_space+0x936/0x1410 fs/ext4/extents.c:2912 ext4_ext_truncate+0xfe/0x170 fs/ext4/extents.c:4370 ext4_truncate+0x844/0xbd0 fs/ext4/inode.c:4264 ext4_evict_inode+0xac6/0xef0 fs/ext4/inode.c:288 evict+0x1aa/0x410 fs/inode.c:578 iput_final fs/inode.c:1654 [inline] iput+0x3fd/0x520 fs/inode.c:1680 dentry_unlink_inode+0x210/0x220 fs/dcache.c:374 d_delete+0x78/0xa0 fs/dcache.c:2503 vfs_rmdir+0x28a/0x2a0 fs/namei.c:3913 do_rmdir+0x186/0x310 fs/namei.c:3962 __do_sys_rmdir fs/namei.c:3980 [inline] __se_sys_rmdir fs/namei.c:3978 [inline] __x64_sys_rmdir+0x2c/0x30 fs/namei.c:3978 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: 8407 Comm: syz-executor.1 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================