Date: Wed, 11 Feb 2026 06:15:35 +0000 From: Colin Percival <cperciva@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Cc: Dag-Erling=?utf-8?Q? Sm=C3=B8rg?=rav <des@FreeBSD.org> Subject: git: 2434f3b279a9 - releng/14.4 - diff: Add test case for pagination resource leak Message-ID: <698c1e87.34313.4f3375c0@gitrepo.freebsd.org>
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The branch releng/14.4 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=2434f3b279a90f9a47a963d5898eea610a94f6e0 commit 2434f3b279a90f9a47a963d5898eea610a94f6e0 Author: Dag-Erling Smørgrav <des@FreeBSD.org> AuthorDate: 2026-02-05 14:39:47 +0000 Commit: Colin Percival <cperciva@FreeBSD.org> CommitDate: 2026-02-11 06:14:23 +0000 diff: Add test case for pagination resource leak The pagination code leaks either processes or descriptors or both, depending on the exact version of the code you have. Add a test case which exercises this leak to facilitate fixing it. Approved by: re (cperciva) MFC after: 1 week Sponsored by: Klara, Inc. Reviewed by: thj, kevans Differential Revision: https://reviews.freebsd.org/D55111 (cherry picked from commit 270492602b9bd8b8fce4f021f055804978bf3f23) (cherry picked from commit 51c2384ce049ec92e07901cf8a84c171e5d72104) --- usr.bin/diff/tests/diff_test.sh | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/usr.bin/diff/tests/diff_test.sh b/usr.bin/diff/tests/diff_test.sh index 453d82a4a3f3..2a07535d3d86 100755 --- a/usr.bin/diff/tests/diff_test.sh +++ b/usr.bin/diff/tests/diff_test.sh @@ -403,6 +403,27 @@ bigu_body() diff -U$(((1<<31)-2)) a b } +prleak_head() +{ + atf_set "descr" "Verify that pagination does not leak resources" +} +prleak_body() +{ + local n=32 + mkdir a b + for hi in $(jot -w%02x $n 0) ; do + mkdir a/$hi b/$hi + for lo in $(jot -w%02x $n 0) ; do + echo "$hi$lo" >a/$hi/$lo + echo "$hi$lo" >b/$hi/$lo + done + done + ulimit -n 1000 + ulimit -u 1000 + atf_check diff -rul a b + atf_check diff -Astone -rul a b +} + atf_init_test_cases() { atf_add_test_case simple @@ -432,4 +453,5 @@ atf_init_test_cases() atf_add_test_case dirloop atf_add_test_case bigc atf_add_test_case bigu + atf_add_test_case prleak }home | help
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