From 7e8d4446a8326e178d52e4caaea415fa2e604bbc Mon Sep 17 00:00:00 2001
From: Frantisek Sumsal <frantisek@sumsal.cz>
Date: Sat, 10 Feb 2024 16:24:10 +0900
Subject: [PATCH] test: add test cases for journal corruption on btrfs

For issue #24150 and #31222.
---
 test/test-functions                        |  2 +-
 test/units/testsuite-04.journal-corrupt.sh | 36 ++++++++++++++++++++++
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100755 test/units/testsuite-04.journal-corrupt.sh

diff --git a/test/test-functions b/test/test-functions
index ce7e03d7457eb..abaa86792b897 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -2103,7 +2103,7 @@ install_testuser() {
     # create unprivileged user for user manager tests
     mkdir -p "${initdir:?}/etc/sysusers.d"
     cat >"$initdir/etc/sysusers.d/testuser.conf" <<EOF
-u testuser    4711     "Test User" /home/testuser
+u testuser    4711     "Test User" /home/testuser /bin/bash
 EOF
 
     mkdir -p "$initdir/home/testuser"
diff --git a/test/units/testsuite-04.journal-corrupt.sh b/test/units/testsuite-04.journal-corrupt.sh
new file mode 100755
index 0000000000000..051d0ab0a8d63
--- /dev/null
+++ b/test/units/testsuite-04.journal-corrupt.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -eux
+set -o pipefail
+
+journalctl --rotate --vacuum-files=1
+# Nuke all archived journals, so we start with a clean slate
+rm -f "/var/log/journal/$(</etc/machine-id)"/system@*.journal
+rm -f "/var/log/journal/$(</etc/machine-id)"/user-*@*.journal
+journalctl --header | grep path
+
+# Make sure the user instance is active when we rotate journals
+systemd-run --unit user-sleep.service --user -M testuser@ sleep infinity
+
+for _ in {0..9}; do
+    journalctl --rotate
+    journalctl --sync
+    SYSTEMD_LOG_LEVEL=debug journalctl -n1 -q
+    (! journalctl -n0 -q |& grep corrupted)
+done
+
+systemctl stop --user -M testuser@ user-sleep.service
+
+journalctl --sync
+journalctl --rotate --vacuum-files=1
+# Nuke all archived journals, so we start with a clean slate
+rm -f "/var/log/journal/$(</etc/machine-id)"/system@*.journal
+rm -f "/var/log/journal/$(</etc/machine-id)/"user-*@*.journal
+journalctl --header | grep path
+
+for _ in {0..9}; do
+    journalctl --rotate --vacuum-files=1
+    journalctl --sync
+    SYSTEMD_LOG_LEVEL=debug journalctl -n1 -q
+    (! journalctl -n0 -q |& grep corrupted)
+done