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Groups > linux.debian.kernel > #84797

Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable

From Daniel Reichelt <debian@nachtgeist.net>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable
Date 2024-12-11 15:10 +0100
Message-ID <JSvzz-g82W-7@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Source: linux
Version: 6.1.115-1
Severity: normal
Tags: upstream

Hi,

in 6.1.112-1 I could loop-mount Windows Setup ISOs (downloaded from M$; hashes
are fine; 10/11, DE/EN don't seem to make any difference) and access their
content perfectly fine, i.e. share the /sources/ sub-directory via samba for
netinstall scenarios.

Starting with 6.1.115-1, the ISOs can be mounted, the root-dir is accessible
and `stat $mntpt/sources` gives output as well. However `ls $mntpt/sources`
hangs and the kernel log is spammed with entries like

---------------8<-------------------------
2024-12-11T14:53:19.616728+01:00 srv kernel: [182394.024828] UDF-fs: error (device loop3): udf_fiiter_advance_blk: extent after position 12272 not allocated in directory (ino 312)
2024-12-11T14:53:19.629970+01:00 srv kernel: [182394.038041] UDF-fs: error (device loop3): udf_verify_fi: directory (ino 312) has too big (2088) entry at pos 12272
2024-12-11T14:53:19.641623+01:00 srv kernel: [182394.049714] UDF-fs: error (device loop3): udf_fiiter_advance_blk: extent after position 12272 not allocated in directory (ino 312)
2024-12-11T14:53:19.654841+01:00 srv kernel: [182394.062928] UDF-fs: error (device loop3): udf_verify_fi: directory (ino 312) has too big (2088) entry at pos 12272
2024-12-11T14:53:19.666495+01:00 srv kernel: [182394.074615] UDF-fs: error (device loop3): udf_fiiter_advance_blk: extent after position 12272 not allocated in directory (ino 312)
2024-12-11T14:53:19.679747+01:00 srv kernel: [182394.087833] UDF-fs: error (device loop3): udf_verify_fi: directory (ino 312) has too big (2088) entry at pos 12272
2024-12-11T14:53:19.691394+01:00 srv kernel: [182394.099510] UDF-fs: error (device loop3): udf_fiiter_advance_blk: extent after position 12272 not allocated in directory (ino 312)
2024-12-11T14:53:19.704646+01:00 srv kernel: [182394.112727] UDF-fs: error (device loop3): udf_verify_fi: directory (ino 312) has too big (2088) entry at pos 12272
2024-12-11T14:53:19.716283+01:00 srv kernel: [182394.124400] UDF-fs: error (device loop3): udf_fiiter_advance_blk: extent after position 12272 not allocated in directory (ino 312)
2024-12-11T14:53:19.729539+01:00 srv kernel: [182394.137618] UDF-fs: error (device loop3): udf_verify_fi: directory (ino 312) has too big (2088) entry at pos 12272
2024-12-11T14:53:19.741185+01:00 srv kernel: [182394.149279] UDF-fs: error (device loop3): udf_fiiter_advance_blk: extent after position 12272 not allocated in directory (ino 312)
2024-12-11T14:53:19.754422+01:00 srv kernel: [182394.162494] UDF-fs: error (device loop3): udf_verify_fi: directory (ino 312) has too big (2088) entry at pos 12272
2024-12-11T14:53:19.766071+01:00 srv kernel: [182394.174159] UDF-fs: error (device loop3): udf_fiiter_advance_blk: extent after position 12272 not allocated in directory (ino 312)
2024-12-11T14:53:19.779289+01:00 srv kernel: [182394.187375] UDF-fs: error (device loop3): udf_verify_fi: directory (ino 312) has too big (2088) entry at pos 12272
---------------8<-------------------------


6.1.119-1 shows the same behaviour.
Let me know if you need additional info.

Thanks!
Daniel


-- System Information:
Debian Release: 12.8
Architecture: amd64 (x86_64)
Kernel: Linux 6.1.0-28-amd64 (SMP w/16 CPU threads; PREEMPT)

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Thread

Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable Daniel Reichelt <debian@nachtgeist.net> - 2024-12-11 15:10 +0100
  Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable Salvatore Bonaccorso <carnil@debian.org> - 2024-12-15 15:10 +0100
    Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable Daniel Reichelt <debian@nachtgeist.net> - 2024-12-15 16:00 +0100
    Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable Daniel Reichelt <debian@nachtgeist.net> - 2024-12-20 02:00 +0100
      Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable Salvatore Bonaccorso <carnil@debian.org> - 2024-12-20 21:10 +0100
        Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable Daniel Reichelt <debian@nachtgeist.net> - 2024-12-23 04:20 +0100
          Bug#1089698: linux: Loop-mounted UDF ISOs no longer readable Zhao Mengmeng <zhaomengmeng@kylinos.cn> - 2024-12-23 10:10 +0100
  Processed: Re: Bug#1089698: linux: Loop-mounted UDF ISOs no  longer readable "Debian Bug Tracking System" <owner@bugs.debian.org> - 2024-12-15 15:10 +0100
  Processed: Re: Bug#1089698: linux: Loop-mounted UDF ISOs no  longer readable "Debian Bug Tracking System" <owner@bugs.debian.org> - 2024-12-20 21:10 +0100

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