Public bug reported:
The following commands on Ubuntu Impish live cd reproduce the issue:
truncate -s 256M test.reiser_old.img
mkfs.reiserfs --format=3.5 -b 512 -l 'g;/éт 莭😁' -q test.reiser_old.img
sudo mount -t reiserfs test.reiser_old.img /media/tmp2
The dmesg log shows:
[298084.049115] loop14: detected capacity change from 0 to 524288
[298084.077838] REISERFS (device loop14): found reiserfs format "3.5" with
standard journal
[298084.077850] REISERFS (device loop14): using ordered data mode
[298084.077851] reiserfs: using flush barriers
[298084.077893] REISERFS (device loop14): journal params: device loop14, size
3965, journal first block 130, max trans len 128, max batch 112, max commit age
30, max trans age 30
[298084.077993] REISERFS (device loop14): checking transaction log (loop14)
[298084.089579] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems
wrong *3.5*[1 2 0(1) DIR], item_len 35, item_location 445,
free_space(entry_count) 2
[298084.089584] REISERFS error (device loop14): vs-5150 search_by_key: invalid
format found in block 4097. Fsck?
[298084.089588] REISERFS (device loop14): Remounting filesystem read-only
[298084.089590] REISERFS error (device loop14): vs-13070
reiserfs_read_locked_inode: i/o failure occurred trying to find stat data of [1
2 0x0 SD]
[298084.089594] REISERFS (device loop14): Using r5 hash to sort names
[298084.089596] REISERFS (device loop14): using 3.5.x disk format
I'm not sure if this is a mkreiserfs issue or a kernel issue, but I
expect the filesystem to be mounted.
ubuntu@ubuntu:~$ lsb_release -rd
Description: Ubuntu Impish Indri (development branch)
Release: 21.10
** Affects: reiserfsprogs (Ubuntu)
Importance: Undecided
Status: New
** Tags: kernel-bug
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https://bugs.launchpad.net/bugs/1943176
Title:
Cannot mount 3.5 format made from mkreiserfs
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