[Bug 2092680] Re: initramfs-tools btrfs failed with return 1

[Benjamin Drung]

*** This bug is a duplicate of bug 1641230 ***
    https://bugs.launchpad.net/bugs/1641230

Thank you for taking the time to report this bug and contributing to
Ubuntu and for providing useful log output.

"ldd /bin/btrfs" states that /bin/btrfs links against /lib/libgcwrap.so.
This library is a crypto-miner malware. See bug #1641230 (especially
comment 15).

Good luck with removing the malware / re-installing Ubuntu.


** This bug has been marked a duplicate of bug 1641230
   /usr/share/initramfs-tools/hooks/fsck failed with return 1 due to /lib/libgcwrap.so in ldd output caused by crypto-miner malware

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Title:
  initramfs-tools btrfs failed with return 1

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  Bug Report

  When I boot, I get the following error:
  /dev/root: Can't open blockdev

  After a forced restart, I can boot using the advanced boot options:

      With Linux 6.8.0-51-generic, the system will not boot.
      With Linux 5.15.0-130-generic, the system boots successfully.

  I have tried updating and upgrading, but the issue persists.

  (Note: For debugging, I added sed -ex to /usr/share/initramfs-
  tools/hooks/btrfs.)

  root at x:~# apt-get upgrade
  Reading package lists... Done
  Building dependency tree... Done
  Reading state information... Done
  Calculating upgrade... Done
  The following packages were automatically installed and are no longer required:
    kpartx libsgutils2-1.46-2 sg3-utils
  Use 'apt autoremove' to remove them.
  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
  1 not fully installed or removed.
  After this operation, 0 B of additional disk space will be used.
  Do you want to continue? [Y/n] Y
  Setting up initramfs-tools (0.142ubuntu25.4) ...
  update-initramfs: deferring update (trigger activated)
  Processing triggers for initramfs-tools (0.142ubuntu25.4) ...
  update-initramfs: Generating /boot/initrd.img-5.15.0-130-generic
  + PREREQ=
  + prereqs
  + echo
  + exit 0
  + PREREQ=
  + prereqs
  + echo
  + exit 0
  + PREREQ=
  + . /usr/share/initramfs-tools/hook-functions
  + [ -x /bin/btrfs ]
  + copy_exec /bin/btrfs /bin
  + local src target x nonoptlib ret
  + src=/bin/btrfs
  + target=/bin
  + copy_file binary /bin/btrfs /bin
  + local type src target link_target
  + type=binary
  + src=/bin/btrfs
  + target=/bin
  + [ -f /bin/btrfs ]
  + [ -d /var/tmp/mkinitramfs_SxPD4G//bin ]
  + target=/bin/btrfs
  + target=/usr/bin/btrfs
  + [ -e /var/tmp/mkinitramfs_SxPD4G//usr/bin/btrfs ]
  + mkdir -p /var/tmp/mkinitramfs_SxPD4G//usr/bin
  + [ -h /bin/btrfs ]
  + [ n = y ]
  + cp -pP /bin/btrfs /var/tmp/mkinitramfs_SxPD4G//usr/bin/btrfs
  + env --unset=LD_PRELOAD ldd /bin/btrfs
  + grep -P ^\t
  + sed -e
                  /\//!d;
                  /linux-gate/d;
                  /=>/ {s/.*=>[[:blank:]]*\([^[:blank:]]*\).*/\1/};
                  s/[[:blank:]]*\([^[:blank:]]*\) (.*)/\1/
  + echo /lib/libgcwrap.so
  + sed -e s#/lib/\([^/]*/\)\?\(tls\|i686\|sse2\|neon\|vfp\).*/\(lib.*\)#/lib/\1\3#
  + nonoptlib=/lib/libgcwrap.so
  + echo /lib/libgcwrap.so
  + sed -e s#-linux-gnu/\(tls\|i686\|sse2\|neon\|vfp\).*/\(lib.*\)#-linux-gnu/\2#
  + nonoptlib=/lib/libgcwrap.so
  + [ -e /lib/libgcwrap.so ]
  + copy_file binary /lib/libgcwrap.so
  + local type src target link_target
  + type=binary
  + src=/lib/libgcwrap.so
  + target=/lib/libgcwrap.so
  + [ -f /lib/libgcwrap.so ]
  + return 2
  + ret=2
  + [ 2 = 1 ]
  + return 1
  E: /usr/share/initramfs-tools/hooks/btrfs failed with return 1.
  update-initramfs: failed for /boot/initrd.img-5.15.0-130-generic with 1.
  dpkg: error processing package initramfs-tools (--configure):
   installed initramfs-tools package post-installation script subprocess returned error exit status 1
  Errors were encountered while processing:
   initramfs-tools

  
  Note: I also encountered an error with /usr/share/initramfs-tools/hooks/dhcpcd which failed with return 1. I resolved this by reinstalling initramfs-tools.

  Thank you in advance

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