[f2fs-dev] [PATCH v3 1/2] f2fs/021: test quota mount option

[Chao Yu via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>]

This testcase tries to check whether f2fs can handle "usrjquota="
during remount correctly, it expects kernel will encounter NULL
pointer dereference bug w/o the fix ("f2fs: fix to avoid NULL pointer
dereference in f2fs_check_quota_consistency()").

Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Chao Yu <chao@kernel.org>
---
v3:
- update commit id in _fixed_by_kernel_commit line
 tests/f2fs/021     | 30 ++++++++++++++++++++++++++++++
 tests/f2fs/021.out |  2 ++
 2 files changed, 32 insertions(+)
 create mode 100755 tests/f2fs/021
 create mode 100644 tests/f2fs/021.out

diff --git a/tests/f2fs/021 b/tests/f2fs/021
new file mode 100755
index 00000000..0cacb138
--- /dev/null
+++ b/tests/f2fs/021
@@ -0,0 +1,30 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2025 Chao Yu.  All Rights Reserved.
+#
+# FS QA Test No. f2fs/021
+#
+# This testcase tries to check whether f2fs can handle "usrjquota="
+# during remount correctly
+#
+. ./common/preamble
+_begin_fstest auto quick mount quota remount
+
+_fixed_by_kernel_commit 930a9a6ee8e7 \
+	"f2fs: fix to avoid NULL pointer dereference in f2fs_check_quota_consistency()"
+
+_require_scratch
+
+_scratch_mkfs >> $seqres.full
+_scratch_mount "-o usrquota"
+quotacheck -uc $SCRATCH_MNT
+_scratch_unmount
+
+_scratch_mount "-o usrjquota=aquota.user,jqfmt=vfsold"
+_scratch_mount "-o remount,usrjquota=,jqfmt=vfsold"
+_scratch_unmount
+
+echo "Silence is golden"
+
+status=0
+exit
diff --git a/tests/f2fs/021.out b/tests/f2fs/021.out
new file mode 100644
index 00000000..09f4062d
--- /dev/null
+++ b/tests/f2fs/021.out
@@ -0,0 +1,2 @@
+QA output created by 021
+Silence is golden
-- 
2.49.0



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