From 599ce25c802fc1154ed619fde4249bb381430407 Mon Sep 17 00:00:00 2001

From: Mike Fleetwood <mike.fleetwood@googlemail.com>

Date: Sun, 28 Feb 2016 15:36:11 +0000

Subject: [PATCH 30/30] tests: t3000-resize-fs.sh: Add very deep directory

Create 500 deep directory tree, with longest name of 4000 characters, to

the file system being resized to test the fix to prevent crash when

resizing a FAT file system with such a long path.

---

 tests/t3000-resize-fs.sh | 16 ++++++++++++++++

 1 file changed, 16 insertions(+)

diff --git a/tests/t3000-resize-fs.sh b/tests/t3000-resize-fs.sh

index a79a307..608871c 100755

--- a/tests/t3000-resize-fs.sh

+++ b/tests/t3000-resize-fs.sh

@@ -46,6 +46,13 @@ device_sectors_required=$(echo $default_end | sed 's/s$//')

 # Ensure that $dev is large enough for this test

 test $device_sectors_required -le $dev_n_sectors || fail=1

+# create mount point dir

+mount_point="`pwd`/mnt"

+mkdir "$mount_point" || fail=1

+

+# be sure to unmount upon interrupt, failure, etc.

+cleanup_fn_() { umount "${dev}1" > /dev/null 2>&1; }

+

 for fs_type in hfs+ fat32 fat16; do

   echo "fs_type=$fs_type"

@@ -69,6 +76,15 @@ for fs_type in hfs+ fat32 fat16; do

   # create the file system

   $mkfs_cmd ${dev}1 || fail=1

+  # create 500 deep directory tree with longest name 4000 characters

+  # to catch core dump in libparted/fs/r/fat/count.c flag_traverse_dir()

+  # overflowing 512 byte file_name local buffer.

+  mount "${dev}1" "$mount_point" || fail=1

+  cat /dev/null > exp

+  ( cd "$mount_point"; for d in `seq 500`; do mkdir TESTDIR; cd TESTDIR; done ) > out

+  compare exp out || fail=1   # Ensure no errors creating directory tree

+  umount "${dev}1" || fail=1

+

   # NOTE: shrinking is the only type of resizing that works.

   # resize that file system to be one cylinder (8MiB) smaller

   fs-resize ${dev}1 0 $new_end > out 2>&1 || fail=1

-- 

2.5.0