git: 13f4a37b536b - main - pw: fix uninitialized name pointer in pw_group_del

The branch main has been updated by bapt:

URL: https://cgit.FreeBSD.org/src/commit/?id=13f4a37b536b60d559c766b3ec4f2d5d25279ea3

commit 13f4a37b536b60d559c766b3ec4f2d5d25279ea3
Author:     Baptiste Daroussin <bapt@FreeBSD.org>
AuthorDate: 2026-06-04 22:12:24 +0000
Commit:     Baptiste Daroussin <bapt@FreeBSD.org>
CommitDate: 2026-06-05 06:01:24 +0000

    pw: fix uninitialized name pointer in pw_group_del
    
    The 'name' variable could be left uninitialized if neither the
    positional argument nor -n is supplied, leading to undefined
    behavior when passed to getgroup().
---
 usr.sbin/pw/pw_group.c                |  2 +-
 usr.sbin/pw/tests/pw_groupdel_test.sh | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/usr.sbin/pw/pw_group.c b/usr.sbin/pw/pw_group.c
index 1941c03aa2c5..2840e972af59 100644
--- a/usr.sbin/pw/pw_group.c
+++ b/usr.sbin/pw/pw_group.c
@@ -367,7 +367,7 @@ pw_group_del(int argc, char **argv, char *arg1)
 {
 	struct userconf *cnf = NULL;
 	struct group *grp = NULL;
-	char *name;
+	char *name = NULL;
 	const char *cfg = NULL;
 	intmax_t id = -1;
 	int ch, rc;
diff --git a/usr.sbin/pw/tests/pw_groupdel_test.sh b/usr.sbin/pw/tests/pw_groupdel_test.sh
index fa51b3814205..0fb5651944f3 100755
--- a/usr.sbin/pw/tests/pw_groupdel_test.sh
+++ b/usr.sbin/pw/tests/pw_groupdel_test.sh
@@ -18,6 +18,20 @@ group_do_not_delete_wheel_if_group_unknown_body() {
 }
 
 
+atf_test_case group_delete_by_gid cleanup
+group_delete_by_gid_head() {
+	atf_set "descr" "Test deleting a group by gid without providing a name"
+}
+group_delete_by_gid_body() {
+	populate_etc_skel
+	${PW} groupadd testgroup -g 1000 || atf_fail "Creating test group"
+	atf_check -s exit:0 -o inline:"testgroup:*:1000:\n" \
+		-x ${PW} groupshow 1000
+	${PW} groupdel -g 1000 || atf_fail "Deleting group by gid"
+}
+
+
 atf_init_test_cases() {
-        atf_add_test_case group_do_not_delete_wheel_if_group_unknown
+	atf_add_test_case group_do_not_delete_wheel_if_group_unknown
+	atf_add_test_case group_delete_by_gid
 }