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From:   Sun Ke <sunke32@huawei.com>
To:     <fstests@vger.kernel.org>
CC:     <zlang@kernel.org>, <linux-ext4@vger.kernel.org>,
        <sunke32@huawei.com>
Subject: [PATCH 1/2] ext4/057: resize fs after resize_inode without e2fsck
Date:   Thu, 7 Jul 2022 21:59:16 +0800
Message-ID: <20220707135917.373342-2-sunke32@huawei.com>
In-Reply-To: <20220707135917.373342-1-sunke32@huawei.com>
References: <20220707135917.373342-1-sunke32@huawei.com>
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Forget to run requested e2fsck after resize_inode, then resize fs, it
will trigger off null pointer.

Regression test for commit b55c3cd102a6 ext4: add reserved GDT blocks
check

Signed-off-by: Sun Ke <sunke32@huawei.com>
---
 tests/ext4/057     | 41 +++++++++++++++++++++++++++++++++++++++++
 tests/ext4/057.out |  2 ++
 2 files changed, 43 insertions(+)
 create mode 100755 tests/ext4/057
 create mode 100644 tests/ext4/057.out

diff --git a/tests/ext4/057 b/tests/ext4/057
new file mode 100755
index 00000000..dacc14be
--- /dev/null
+++ b/tests/ext4/057
@@ -0,0 +1,41 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2022 HUAWEI.  All Rights Reserved.
+#
+# FS QA Test 057
+#
+# Forget to run requested e2fsck after resize_inode, then resize fs,
+# it will trigger off null pointer.
+#
+# Regression test for commit
+# b55c3cd102a6 ext4: add reserved GDT blocks check
+#
+. ./common/preamble
+_begin_fstest auto
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs ext4
+_require_scratch
+_require_command "$TUNE2FS_PROG" tune2fs
+_require_command "$RESIZE2FS_PROG" resize2
+
+
+# set fs size 3G
+dev_size=$((3 * 1024 * 1024 * 1024))
+_scratch_mkfs_sized $dev_size >/dev/null 2>&1
+
+# forget to run requested e2fsck after resize_inode
+$TUNE2FS_PROG -O ^resize_inode $SCRATCH_DEV >/dev/null 2>&1
+
+_scratch_mount
+
+# resize fs from 3G to 8G
+$RESIZE2FS_PROG $SCRATCH_DEV 8G >/dev/null 2>&1
+
+echo "Silence is golden"
+
+# success, all done
+status=0
+exit
diff --git a/tests/ext4/057.out b/tests/ext4/057.out
new file mode 100644
index 00000000..185023c7
--- /dev/null
+++ b/tests/ext4/057.out
@@ -0,0 +1,2 @@
+QA output created by 057
+Silence is golden
-- 
2.13.6