This is a regression test:
1. create a file
2. write file to create a direct node at special offset
3. use inject.f2fs to inject nid of direct node w/ ino of the inode
4. check whether f2fs kernel module will detect and report such
corruption in the fil
Signed-off-by: Chao Yu <c...@kernel.org>
---
tests/f2fs/019 | 45 +++++++++++++++++++++++++++++++++++++++++++++
tests/f2fs/019.out | 2 ++
2 files changed, 47 insertions(+)
create mode 100755 tests/f2fs/019
create mode 100644 tests/f2fs/019.out
diff --git a/tests/f2fs/019 b/tests/f2fs/019
new file mode 100755
index 00000000..0a02eb2f
--- /dev/null
+++ b/tests/f2fs/019
@@ -0,0 +1,45 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2025 Chao Yu. All Rights Reserved.
+#
+# FS QA Test No. f2fs/019
+#
+# This is a regression test:
+# 1. create a file
+# 2. write file to create a direct node at special offset
+# 3. use inject.f2fs to inject nid of direct node w/ ino of the inode
+# 4. check whether f2fs kernel module will detect and report such
+# corruption in the file
+#
+. ./common/preamble
+_begin_fstest auto quick rw compress
+
+_cleanup()
+{
+ _scratch_mkfs >> $seqres.full
+}
+
+_fixed_by_kernel_commit 77de19b6867f \
+ "f2fs: fix to avoid out-of-boundary access in dnode page"
+
+export MKFS_OPTIONS=""
+_require_scratch
+_require_command "$F2FS_INJECT_PROG" inject.f2fs
+
+testfile=$SCRATCH_MNT/testfile
+
+_scratch_mkfs >> $seqres.full
+_scratch_mount
+
+xfs_io -f -c "pwrite 3738M 1M" -c "fsync" $testfile >> $seqres.full
+
+_scratch_unmount
+
+$F2FS_INJECT_PROG --node --mb addr --nid 5 --idx 937 --val 4 $SCRATCH_DEV >>
$seqres.full
+
+_scratch_mount
+xfs_io -c "pread 3700M 40M" $testfile
+_scratch_unmount
+
+status=0
+exit
diff --git a/tests/f2fs/019.out b/tests/f2fs/019.out
new file mode 100644
index 00000000..2f7469e2
--- /dev/null
+++ b/tests/f2fs/019.out
@@ -0,0 +1,2 @@
+QA output created by 019
+pread: Structure needs cleaning
--
2.49.0
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