On Fri, Jun 23, 2023 at 08:06:02AM +0700, Bagas Sanjaya wrote: > > No reply so far from the culprit author (Ye Bin) nor from Ted. Can > you help in this case? There's been no reply because I haven't been able to replicate it, and I didn't have the time do enough work to convince myself the report was bogus. At this point, I have spent time trying to reproduce it, and I've had no luck. So, unless you can give me a simple set of reproduction instructions, I'm going to have to treat this report is invalid. Regards, - Ted Note: this test was done using kvm-xfstests which can be found https://github.com/tytso/xfstests-bld using the install-kconfig and the kbuild script that can also be found in this report. So if you want to play along from home, feel free. :-) root@kvm-xfstests:~# mkfs.ext4 /dev/vdc mke2fs 1.47.0 (5-Feb-2023) Discarding device blocks: done Creating filesystem with 1310720 4k blocks and 327680 inodes Filesystem UUID: fe434060-6731-4b40-a94a-3a8517df0660 Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736 Allocating group tables: done Writing inode tables: done Creating journal (16384 blocks): done Writing superblocks and filesystem accounting information: done root@kvm-xfstests:~# md5sum /dev/vdc fd38f9f8476ad63a744d179846ee7e18 /dev/vdc root@kvm-xfstests:~# mount -o ro /dev/vdc /mnt [ 472.893614] EXT4-fs (vdc): orphan cleanup on readonly fs [ 472.894022] EXT4-fs (vdc): mounted filesystem fe434060-6731-4b40-a94a-3a8517df0660 ro with ordered data mode. Quota mode: none. root@kvm-xfstests:~# umount /mnt [ 475.698053] EXT4-fs (vdc): unmounting filesystem fe434060-6731-4b40-a94a-3a8517df0660. root@kvm-xfstests:~# md5sum /dev/vdc fd38f9f8476ad63a744d179846ee7e18 /dev/vdc Hmm.... OK, let's try it with LUKS, even though that *really* shouldn't make a difference. The cryptsetup lukeFormat and mkfs.ext4 steps are skipped here. Also, note that I had to manually edit the .config file to enable CONFIG_DM_CRYPT, since I dm_crypt is used by xfstests, so my install-kconfig script doesn't enable CONFIG_DM_CRYPT. root@kvm-xfstests:~# uname -a Linux kvm-xfstests 6.4.0-rc6-xfstests-lockdep #200 SMP PREEMPT_DYNAMIC Fri Jun 23 00:33:39 EDT 2023 x86_64 GNU/Linux root@kvm-xfstests:~# md5sum /dev/vdc 28b75cc094e1e2a62ac25a730fc1dfee /dev/vdc root@kvm-xfstests:~# cryptsetup luksOpen /dev/vdc test Enter passphrase for /dev/vdc: root@kvm-xfstests:~# mount -o ro /dev/mapper/test /mnt [ 812.073771] EXT4-fs (dm-0): orphan cleanup on readonly fs [ 812.074306] EXT4-fs (dm-0): mounted filesystem ac3f76f1-da0a-426e-85b2-08526afb2224 ro with ordered data mode. Quota mode: none. root@kvm-xfstests:~# umount /mnt [ 814.383016] EXT4-fs (dm-0): unmounting filesystem ac3f76f1-da0a-426e-85b2-08526afb2224. root@kvm-xfstests:~# cryptsetup luksClose /dev/mapper/test [ 830.001992] dm-0: detected capacity change from 10452992 to 0 root@kvm-xfstests:~# md5sum /dev/vdc 28b75cc094e1e2a62ac25a730fc1dfee /dev/vdc