Issues

• sort: -t and -c error messages differ from GNU (wording, extra usage hint)

  U - sort
  uutils/coreutils#15975 · Filter by author emirmrkaljevic opened on Oct 29, 2026

• Replace rustix memfd APIs with higher-level memfd crate

  uutils/coreutils#15972 · Filter by author xtqqczze opened on Oct 29, 2026
  1

• uniq: invalid -f/-s/-w value message differs from GNU ('x: invalid number of fields to skip')

  U - uniq
  uutils/coreutils#15970 · Filter by author emirmrkaljevic opened on Oct 29, 2026

• ci: make sure GNU is the system coreutils

  uutils/coreutils#15962 · Filter by author xtqqczze opened on Oct 28, 2026
  3

• tr: test_stdin_is_socket is failing

  B - high priorityU - tr
  uutils/coreutils#15961 · Filter by author xtqqczze opened on Oct 28, 2026

• CI: ubuntu-26.04 runners break the i686 and SELinux jobs

  B - high priority
  uutils/coreutils#15955 · Filter by author eylulseyit opened on Oct 28, 2026
  1

• sha256sum -c fails to check files whose names contain a carriage return

  U - sha256sum
  uutils/coreutils#15954 · Filter by author bkline opened on Oct 28, 2026

• df displays loop devices by default. GNU df does not

  U - df
  uutils/coreutils#15952 · Filter by author original-birdman opened on Oct 28, 2026

• tail -f fails to update when following a symlink Edit

  U - tail
  uutils/coreutils#15951 · Filter by author original-birdman opened on Oct 28, 2026

• mv of a directory into a parallel subdirectory is *incredibly* inefficient as compared to GNU mv

  U - mv
  uutils/coreutils#15950 · Filter by author original-birdman opened on Oct 28, 2026
  2

• tr: 'only character classes that may appear in string2' message differs from GNU (one line, says set2)

  U - tr
  uutils/coreutils#15948 · Filter by author emirmrkaljevic opened on Oct 28, 2026

• mv: a failed cross-device move always reports "Permission denied"

  U - mv
  uutils/coreutils#15939 · Filter by author abendrothj opened on Oct 28, 2026

• cat, uucore::signals: write-only stdin is read as EOF instead of reporting EBADF

  B - high priorityU - cat
  uutils/coreutils#15937 · Filter by author eylulseyit opened on Oct 28, 2026
  9

• chmod -R: "cannot access … Permission denied" for files below the operand that the user doesn't own

  U - chmod
  uutils/coreutils#15934 · Filter by author eylulseyit opened on Oct 27, 2026

• Unhelpful error messages from mv and cp

  U - cpU - mv
  uutils/coreutils#15920 · Filter by author Natureshadow opened on Oct 27, 2026

• shuf: exhausted random source destroys the input during an in-place shuffle

  U - shuf
  uutils/coreutils#15915 · Filter by author limadog9 opened on Oct 27, 2026

• paste: serial mode exhausts file descriptors by opening every input simultaneously

  U - paste
  uutils/coreutils#15903 · Filter by author limadog9 opened on Oct 27, 2026

• sort -m: output hard link truncates input and silently loses data

  U - sort
  uutils/coreutils#15901 · Filter by author limadog9 opened on Oct 27, 2026

• nl: numbering patterns use Rust regex syntax instead of documented BRE

  U - nl
  uutils/coreutils#15900 · Filter by author limadog9 opened on Oct 27, 2026

• od: radix-prefixed T, P and E byte counts fail on 32-bit targets

  U - od
  uutils/coreutils#15896 · Filter by author kmehltretter82 opened on Oct 27, 2026

• mv: a failed cross-device move deletes the existing destination

  U - mv
  uutils/coreutils#15890 · Filter by author abendrothj opened on Oct 26, 2026
  3

• chmod -v: missing 'could not be accessed' line for operands that can't be stat'ed

  U - chmod
  uutils/coreutils#15883 · Filter by author emirmrkaljevic opened on Oct 26, 2026

• shred: should not refuse writing to a device

  U - shred
  uutils/coreutils#15873 · Filter by author xilwen opened on Oct 26, 2026

• chown, chgrp: 'cannot dereference' instead of 'cannot access' for a missing operand

  U - chgrpU - chown
  uutils/coreutils#15867 · Filter by author emirmrkaljevic opened on Oct 26, 2026

• ptx: contexts stop at line ends without -S, and -S drops the sentence end

  uutils/coreutils#15864 · Filter by author jayhemnani9910 opened on Oct 26, 2026