uutils/coreutils
Various problems in different id handling in `id` command
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#10,006 opened on 2026/01/03
U - idgood first issuereported-canonical
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説明
Component
id
Description
Various problems in different id handling in id command
Test / Reproduction Steps
idpretty print crash on malformed group id Issue: uutilsidcommand crashes when given a malformed group id for pretty printing. Test:
sudo setpriv --regid 1337 --clear-groups target/release/id -p
login root
uid root
thread 'main' panicked at src/uu/id/src/id.rs:503:49:
called `Result::unwrap()` on an `Err` value: Custom { kind: NotFound, error: "No such id: 1337" }
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
- inconsistency in uutil's
id& C version Issue: uutilsidcommand shows incorrect group information when the effective group ID is changed. Test: add two users first
useradd -u 2000 u2000 -M
useradd -u 3000 u3000 -M
then
sudo setpriv --reuid 3000 --egid 2000 --clear-groups target/release/id
uid=3000(u3000) gid=0(root) egid=2000(u2000) groups=0(root)
sudo setpriv --reuid 3000 --egid 2000 --clear-groups id
uid=3000(u3000) gid=0(root) egid=2000(u2000) groups=2000(u2000)
- Incorrect User ID Handling in uutils
idCommand Issue: The uutilsidcommand incorrectly displays user information when the effective group ID is changed, leading to inconsistencies with the expected output (pretty print & compact print). Test: add two users first
useradd -u 2000 u2000 -M
useradd -u 3000 u3000 -M
then
sudo setpriv --euid 3000 --egid 2000 --clear-groups target/release/id
uid=0(root) gid=0(root) euid=3000(u3000) egid=2000(u2000) groups=0(root)
sudo setpriv --euid 3000 --egid 2000 --clear-groups target/release/id -p
login root
uid root
euid root
groups u2000