1 files changed, 63 insertions, 0 deletions
diff --git a/test/units/testsuite-23.type-exec.sh b/test/units/testsuite-23.type-exec.sh
new file mode 100755
index 0000000..87f32cc
--- /dev/null
+++ b/test/units/testsuite-23.type-exec.sh
@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -eux
+set -o pipefail
+
+# Test Type=exec
+
+systemd-analyze log-level debug
+
+# Create a binary for which execve() will fail
+touch /tmp/brokenbinary
+chmod +x /tmp/brokenbinary
+
+# These three commands should succeed.
+systemd-run --unit=exec-one -p Type=simple /bin/sleep infinity
+systemd-run --unit=exec-two -p Type=simple -p User=idontexist /bin/sleep infinity
+systemd-run --unit=exec-three -p Type=simple /tmp/brokenbinary
+
+# And now, do the same with Type=exec, where the latter two should fail
+systemd-run --unit=exec-four -p Type=exec /bin/sleep infinity
+(! systemd-run --unit=exec-five -p Type=exec -p User=idontexist /bin/sleep infinity)
+(! systemd-run --unit=exec-six -p Type=exec /tmp/brokenbinary)
+
+systemd-run --unit=exec-seven -p KillSignal=SIGTERM -p RestartKillSignal=SIGINT -p Type=exec /bin/sleep infinity
+# Both TERM and SIGINT happen to have the same number on all architectures
+test "$(systemctl show --value -p KillSignal exec-seven.service)" -eq 15
+test "$(systemctl show --value -p RestartKillSignal exec-seven.service)" -eq 2
+
+systemctl restart exec-seven.service
+systemctl stop exec-seven.service
+
+# For issue #20933
+
+# Should work normally
+busctl call \
+    org.freedesktop.systemd1 /org/freedesktop/systemd1 \
+    org.freedesktop.systemd1.Manager StartTransientUnit \
+    "ssa(sv)a(sa(sv))" test-20933-ok.service replace 1 \
+      ExecStart "a(sasb)" 1 \
+        /usr/bin/sleep 2 /usr/bin/sleep 1 true \
+    0
+
+# DBus call should fail but not crash systemd
+(! busctl call \
+    org.freedesktop.systemd1 /org/freedesktop/systemd1 \
+    org.freedesktop.systemd1.Manager StartTransientUnit \
+    "ssa(sv)a(sa(sv))" test-20933-bad.service replace 1 \
+      ExecStart "a(sasb)" 1 \
+        /usr/bin/sleep 0 true \
+    0)
+
+# Same but with the empty argv in the middle
+(! busctl call \
+    org.freedesktop.systemd1 /org/freedesktop/systemd1 \
+    org.freedesktop.systemd1.Manager StartTransientUnit \
+    "ssa(sv)a(sa(sv))" test-20933-bad-middle.service replace 1 \
+      ExecStart "a(sasb)" 3 \
+        /usr/bin/sleep 2 /usr/bin/sleep 1 true \
+        /usr/bin/sleep 0                  true \
+        /usr/bin/sleep 2 /usr/bin/sleep 1 true \
+    0)
+
+systemd-analyze log-level info