[Bug 1943176] Re: Cannot mount 3.5 format made from mkreiserfs

[Glenn Washburn]

** Tags removed: kernel-bug

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Title:
  Cannot mount 3.5 format made from mkreiserfs

Status in reiserfsprogs package in Ubuntu:
  New

Bug description:
  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 at ubuntu:~$ lsb_release -rd
  Description:    Ubuntu Impish Indri (development branch)
  Release:        21.10

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