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Differential D53226

cut: Avoid undefined behavior.
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Authored by bdrewery on Oct 20 2025, 7:06 PM.
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Details

Reviewers
kevans
Commits
rG35f375549c7f: cut: Avoid undefined behavior.
Summary

UBSAN complains about p[signed - unsigned] wrapping around.

Test Plan
# make all install check
...
cut2_test:s_flag  ->  passed  [0.061s]
cut_test:basic  ->  passed  [0.070s]
cut_test:dflag  ->  passed  [0.062s]
cut_test:dsflag  ->  passed  [0.059s]
cut_test:latin1  ->  passed  [0.040s]
cut_test:sflag  ->  passed  [0.064s]
cut_test:utf8  ->  passed  [0.042s]

Results file id is scratch_obj_root_git_freebsd_main2_amd64.amd64_usr.bin_cut_tests_checkdir_usr_tests_usr.bin_cut.20251020-190514-964826
Results saved to /root/.kyua/store/results.scratch_obj_root_git_freebsd_main2_amd64.amd64_usr.bin_cut_tests_checkdir_usr_tests_usr.bin_cut.20251020-190514-964826.db

7/7 passed (0 broken, 0 failed, 0 skipped)

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 67948
Build 64831: arc lint + arc unit

Revision Contents
Changeset List

PathSize
usr.bin/
cut/
4 lines

Diff 164650

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usr.bin/cut/cut.c

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