uutils/coreutils

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Cross-platform Rust rewrite of the GNU coreutils

Stars: 24.1k
Forks: 2k
Open beginner issues: 66
Indexed issues: 760
Avg merge: 1d 5h
Merged PRs (30d): 365

Dominant language: Rust
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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756 open issues indexed

bug(shuf): when the file is /dev/vhost-net, does not error out Open

U - shuf

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#13001 · Opened Jun 20, 2026
bug(pr): does not error out when the file is /dev/vhost-net Open

U - pr

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#13000 · Opened Jun 20, 2026
bug(pr): when the file argument is $'\xFF' it does not error out Open

U - pr

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12997 · Opened Jun 20, 2026
bug(sort): when ulimit -v 1048576 and passing to ./sort /dev/full panics Open

U - sort

Difficulty 3/5 1-2 days Newbie friendliness 48/100

uutils/coreutils#12991 · 7 comments · Opened Jun 19, 2026
bug(cut): when ulimit -v 1048576 and passing to ./cut /dev/full panics Open

U - cut

Difficulty 3/5 1-2 days Newbie friendliness 48/100

uutils/coreutils#12989 · Opened Jun 19, 2026
bug(install): when using --context in Non Selinux kernel, it does not warn Open

U - install

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

uutils/coreutils#12986 · Opened Jun 19, 2026
bug(mkdir): when using --context in Non Selinux kernel, it does not warn Open

U - mkdir

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12985 · Opened Jun 19, 2026
bug(mknod): when using --context in Non Selinux kernel, it does not warn Open

U - mknod

Difficulty 3/5 1-2 days Newbie friendliness 65/100

uutils/coreutils#12984 · Opened Jun 19, 2026
bug(mkfifo): when using --context in Non Selinux kernel, it does not warn Open

U - mkfifo

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

uutils/coreutils#12983 · Opened Jun 19, 2026
bug(cp): when using --context in Non Selinux kernel, it does not warn Open

U - cp

Difficulty 3/5 1-2 days Newbie friendliness 64/100

uutils/coreutils#12982 · Opened Jun 19, 2026
minorbug(od): when /var/run/snapd.socket it returns a vague error message Open

U - od

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12980 · Opened Jun 19, 2026
bug(timeout): failure to exit on `strace` when due to `SIGTTIN` interactions with child process Open

U - timeout

Difficulty 4/5 3-5 days Newbie friendliness 52/100

uutils/coreutils#12979 · 15 comments · Opened Jun 19, 2026
timeout:fails to send RTMIN/RTMAX signals through ChildExt Open

U - timeout

Difficulty 3/5 1-2 days Newbie friendliness 64/100

uutils/coreutils#12975 · 1 comment · Opened Jun 19, 2026
bug(ls): when the current cwd swapped to a /dev/null copy file it returns . and .. even must not Open

U - ls

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12968 · 1 comment · Opened Jun 18, 2026
minorbug(pwd): when the current cwd swapped to be a normal file it returns vague error messages Open

U - pwd

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12967 · 1 comment · Opened Jun 18, 2026
dd: various issues related to the i64::MAX boundary Open

U - dd

Difficulty 4/5 3-5 days Newbie friendliness 48/100

uutils/coreutils#12964 · 2 comments · 1 reaction · Opened Jun 18, 2026
bug(truncate): when using --reference with `/var/run/snapd.socket` no errors Open

U - truncate

Difficulty 3/5 1-2 days Newbie friendliness 66/100

uutils/coreutils#12963 · Opened Jun 18, 2026
tr: echo 1|tr . \\ lacks warning Open

U - tr

Difficulty 3/5 1-2 days Newbie friendliness 64/100

uutils/coreutils#12961 · 3 comments · Opened Jun 18, 2026
cp -a *.socket generates wrong error Open

U - cp

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12960 · 1 reaction · Opened Jun 18, 2026
minorbug(more): when using /var/run/snapd.socket, the error shown as unknown Open

U - more

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

uutils/coreutils#12959 · Opened Jun 18, 2026
cp -a on Cygwin/MSYS2 spams xattr errors and fails directory merges (File exists os error 17) Open

U - cp

Difficulty 4/5 3-5 days Newbie friendliness 52/100

uutils/coreutils#12958 · 7 comments · Opened Jun 18, 2026
date: Parsed local times during PST are shifted one hour earlier than requested (via ChatGPT) Open

U - date

Difficulty 4/5 3-5 days Newbie friendliness 55/100

uutils/coreutils#12954 · 1 comment · Opened Jun 18, 2026
bug(date): when using the year `0000` with `EDT` will get normalized to LMT, and results an invalid date Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 52/100

uutils/coreutils#12944 · Opened Jun 17, 2026
bug(date): when using `-d` option, it trusts the weekday Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12943 · Opened Jun 17, 2026
bug(split): split -a 1 creates empty file before something is written to stdin Open

U - split

Difficulty 3/5 1-2 days Newbie friendliness 52/100

uutils/coreutils#12934 · 8 comments · Opened Jun 16, 2026
date: ulimit -v 15850; date +%100000 panics Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 52/100

uutils/coreutils#12932 · Opened Jun 16, 2026
bug(install): -t overwrites just-created 'z/a' with 'a' Open

U - install

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12926 · 5 comments · Opened Jun 16, 2026
base64: Unexpected result when decoding data with garbage Open

U - base64

Difficulty 3/5 1-2 days Newbie friendliness 64/100

uutils/coreutils#12923 · 1 reaction · Opened Jun 16, 2026
sort panics Open

J - Locale U - sort

Difficulty 4/5 3-5 days Newbie friendliness 48/100

uutils/coreutils#12917 · 4 comments · Opened Jun 16, 2026
security(workflow): CICD.yml is vulnerable to Shell Injection too and many workflow security best praticses are not here for multiple workflows, needs be fixed to the project not be the next victim of a supply chain attatck Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

uutils/coreutils#12905 · 15 comments · Opened Jun 15, 2026
bug(touch): military prefixes that end with j not accepted by --date Open

U - touch

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12903 · Opened Jun 15, 2026
bug(stat): ./stat --format '%s' a > /dev/full panics Open

U - stat

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12901 · 1 comment · Opened Jun 15, 2026
bug(date): when using like +%50c and +%50x it produces padding 0s overlapping Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12897 · Opened Jun 15, 2026
bug(date): -s option rejects military times that end with j Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 64/100

uutils/coreutils#12895 · Opened Jun 15, 2026
bug(date): Weird behavior -d vs -f in some cases Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12894 · Opened Jun 15, 2026
bug(date): when using -f which a file contains "j" or "9j" or any military time that ends with j, it rejected Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12893 · Opened Jun 15, 2026
bug(date) incorrectly converts `%Y` to the Thai Buddhist calendar when `LC_TIME=th_TH.UTF-8` is set. Open

U - date

Difficulty 4/5 3-5 days Newbie friendliness 55/100

uutils/coreutils#12891 · 10 comments · Opened Jun 15, 2026
bug(date): some valid dates like "@253402300739" and MEST prefix if before not after are rejected however the gnu one accepts them Open

U - date

Difficulty 3/5 1-2 days Newbie friendliness 64/100

uutils/coreutils#12877 · Opened Jun 14, 2026
bug(numfmt): some numbers cause incorrect conversion and logic issues Open

U - numfmt

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12855 · Opened Jun 13, 2026
bug(dd): when iseek= is a very large number it panics Open

U - dd

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

uutils/coreutils#12848 · Opened Jun 13, 2026
bug(dd): when skip= is a very large number it panics Open

U - dd

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

uutils/coreutils#12846 · Opened Jun 13, 2026
bug(dd): when seek= is a very large number it panics Open

U - dd

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

uutils/coreutils#12845 · Opened Jun 13, 2026
bug(dd): when count= is a very large number it panics Open

U - dd

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

uutils/coreutils#12843 · Opened Jun 13, 2026
bug(od): when -j a massive positive number it accepts it and instead of rejecting it Open

U - od

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12842 · 1 comment · Opened Jun 13, 2026
ls: -T=0xff should be rejected while -T 0xff is accepted Open

U - ls

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

uutils/coreutils#12841 · 2 comments · Opened Jun 13, 2026
bug(od): when -w is a massive positive number it panics Open

U - od

Difficulty 3/5 1-2 days Newbie friendliness 62/100

uutils/coreutils#12839 · Opened Jun 13, 2026
bug(df): when a file is larger it reports incorrect error messages Open

U - df

Difficulty 3/5 1-2 days Newbie friendliness 58/100

uutils/coreutils#12831 · Opened Jun 13, 2026
bug(cp): when a filename is larger it reports is not a directory even with -r which should not Open

U - cp

Difficulty 3/5 1-2 days Newbie friendliness 68/100

uutils/coreutils#12830 · 1 comment · Opened Jun 13, 2026
bug(od): when a file is larger it reports an unknown io error Open

U - od

Difficulty 3/5 1-2 days Newbie friendliness 55/100

uutils/coreutils#12829 · Opened Jun 13, 2026
bug(chmod): when a file is a larger, the utility reports incorrect error messages Open

U - chmod

Difficulty 3/5 1-2 days Newbie friendliness 64/100

uutils/coreutils#12828 · Opened Jun 13, 2026

uutils/coreutils

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