aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBaptiste Daroussin <bapt@FreeBSD.org>2026-06-04 22:12:24 +0000
committerBaptiste Daroussin <bapt@FreeBSD.org>2026-06-05 06:01:24 +0000
commit13f4a37b536b60d559c766b3ec4f2d5d25279ea3 (patch)
tree74c88b1da4300889b33d5941f7971f361cc592a9
parent1cc5684b3216dd0198c4fe83cdbcaed8d874c99c (diff)
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().
-rw-r--r--usr.sbin/pw/pw_group.c2
-rwxr-xr-xusr.sbin/pw/tests/pw_groupdel_test.sh16
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
}