[PATCH e2fsprogs] tests: add test for e2fsck of verity file

[Eric Biggers <ebiggers@kernel.org>]

From: Eric Biggers <ebiggers@google.com>

Test that e2fsck doesn't report errors when an inode with the 'verity'
flag has blocks past i_size.

This is a regression test for commits 3baafde6a8ae ("e2fsck: allow
verity files to have initialized blocks past i_size") and 43466d039689
("e2fsck: handle verity files in scan_extent_node()").

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 tests/f_verity/expect.1   |   7 +++++++
 tests/f_verity/image.gz   | Bin 0 -> 2247 bytes
 tests/f_verity/mkimage.sh |  28 ++++++++++++++++++++++++++++
 tests/f_verity/name       |   1 +
 tests/f_verity/script     |   2 ++
 5 files changed, 38 insertions(+)
 create mode 100644 tests/f_verity/expect.1
 create mode 100644 tests/f_verity/image.gz
 create mode 100755 tests/f_verity/mkimage.sh
 create mode 100644 tests/f_verity/name
 create mode 100644 tests/f_verity/script

diff --git a/tests/f_verity/expect.1 b/tests/f_verity/expect.1
new file mode 100644
index 00000000..07059677
--- /dev/null
+++ b/tests/f_verity/expect.1
@@ -0,0 +1,7 @@
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+test_filesys: 12/128 files (8.3% non-contiguous), 58/128 blocks
+Exit status is 0
diff --git a/tests/f_verity/image.gz b/tests/f_verity/image.gz
new file mode 100644
index 0000000000000000000000000000000000000000..72dfd8169ace0e2a2ace35f5d2c010601623b168
GIT binary patch
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diff --git a/tests/f_verity/mkimage.sh b/tests/f_verity/mkimage.sh
new file mode 100755
index 00000000..565083e2
--- /dev/null
+++ b/tests/f_verity/mkimage.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# This is the script that was used to create the image.gz in this directory.
+
+set -e -u
+
+mkdir -p mnt
+umount mnt &> /dev/null || true
+
+dd if=/dev/zero of=image bs=4096 count=128
+mke2fs -O 'verity,extents' -b 4096 -N 128 image
+mount image mnt
+
+# Create a verity file, but make it fragmented so that it needs at least one
+# extent tree index node, in order to cover the scan_extent_node() case.
+for i in {1..80}; do
+	head -c 4096 /dev/zero > mnt/tmp_$i
+done
+for i in {1..80..2}; do
+	rm mnt/tmp_$i
+done
+head -c $((40 * 4096)) /dev/zero > mnt/file
+fsverity enable mnt/file
+rm mnt/tmp_*
+
+umount mnt
+rmdir mnt
+gzip -9 -f image
diff --git a/tests/f_verity/name b/tests/f_verity/name
new file mode 100644
index 00000000..f43910fc
--- /dev/null
+++ b/tests/f_verity/name
@@ -0,0 +1 @@
+verity file
diff --git a/tests/f_verity/script b/tests/f_verity/script
new file mode 100644
index 00000000..8ab2b9c6
--- /dev/null
+++ b/tests/f_verity/script
@@ -0,0 +1,2 @@
+ONE_PASS_ONLY="true"
+. $cmd_dir/run_e2fsck
-- 
2.22.0.rc1.257.g3120a18244-goog