================================================================== BUG: KCSAN: data-race in ext4_mark_iloc_dirty / ext4_orphan_del write to 0xffff888104af4a9c of 4 bytes by task 540 on cpu 0: ext4_orphan_del+0x579/0x730 fs/ext4/orphan.c:296 ext4_evict_inode+0xb1e/0xdb0 fs/ext4/inode.c:318 evict+0x1c8/0x3c0 fs/inode.c:588 iput_final fs/inode.c:1664 [inline] iput+0x430/0x580 fs/inode.c:1690 dentry_unlink_inode+0x273/0x290 fs/dcache.c:376 d_delete+0x78/0xe0 fs/dcache.c:2505 vfs_rmdir+0x2e6/0x300 fs/namei.c:3984 do_rmdir+0x18d/0x330 fs/namei.c:4032 __do_sys_rmdir fs/namei.c:4051 [inline] __se_sys_rmdir fs/namei.c:4049 [inline] __x64_sys_rmdir+0x2c/0x30 fs/namei.c:4049 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 read to 0xffff888104af4a9c of 4 bytes by task 525 on cpu 1: ext4_do_update_inode fs/ext4/inode.c:5029 [inline] ext4_mark_iloc_dirty+0x87c/0x1700 fs/ext4/inode.c:5683 __ext4_mark_inode_dirty+0x4ec/0x5c0 fs/ext4/inode.c:5879 ext4_dirty_inode+0x86/0xa0 fs/ext4/inode.c:5908 __mark_inode_dirty+0x77/0x6a0 fs/fs-writeback.c:2398 mark_inode_dirty_sync include/linux/fs.h:2457 [inline] dquot_free_space include/linux/quotaops.h:382 [inline] dquot_free_block include/linux/quotaops.h:392 [inline] ext4_free_blocks+0x166e/0x1c20 fs/ext4/mballoc.c:6084 ext4_remove_blocks+0x61a/0x800 fs/ext4/extents.c:2506 ext4_ext_rm_leaf+0x684/0xd40 fs/ext4/extents.c:2672 ext4_ext_remove_space+0x8f6/0x12b0 fs/ext4/extents.c:2920 ext4_ext_truncate+0xfe/0x170 fs/ext4/extents.c:4382 ext4_truncate+0x76e/0xa80 fs/ext4/inode.c:4204 ext4_evict_inode+0xa54/0xdb0 fs/ext4/inode.c:287 evict+0x1c8/0x3c0 fs/inode.c:588 iput_final fs/inode.c:1664 [inline] iput+0x430/0x580 fs/inode.c:1690 dentry_unlink_inode+0x273/0x290 fs/dcache.c:376 d_delete+0x78/0xe0 fs/dcache.c:2505 vfs_rmdir+0x2e6/0x300 fs/namei.c:3984 do_rmdir+0x18d/0x330 fs/namei.c:4032 __do_sys_rmdir fs/namei.c:4051 [inline] __se_sys_rmdir fs/namei.c:4049 [inline] __x64_sys_rmdir+0x2c/0x30 fs/namei.c:4049 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: 0x00000565 -> 0x00000551 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 525 Comm: syz-executor.4 Not tainted 5.15.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================