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Date:	Thu,  6 Jun 2013 23:56:16 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Ext4 Developers List <linux-ext4@...r.kernel.org>
Cc:	sandeen@...hat.com, Theodore Ts'o <tytso@....edu>
Subject: [PATCH] tests: add new test f_extent_oobounds

This tests creates a file system where the last entry in one leaf
block overlaps with logical block range in the first entry of the next
leaf block.

Signed-off-by: "Theodore Ts'o" <tytso@....edu>
---
 tests/f_extent_oobounds/expect.1 | 24 +++++++++++++++++++++++
 tests/f_extent_oobounds/expect.2 |  7 +++++++
 tests/f_extent_oobounds/script   | 42 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 73 insertions(+)
 create mode 100644 tests/f_extent_oobounds/expect.1
 create mode 100644 tests/f_extent_oobounds/expect.2
 create mode 100644 tests/f_extent_oobounds/script

diff --git a/tests/f_extent_oobounds/expect.1 b/tests/f_extent_oobounds/expect.1
new file mode 100644
index 0000000..3164ea0
--- /dev/null
+++ b/tests/f_extent_oobounds/expect.1
@@ -0,0 +1,24 @@
+Pass 1: Checking inodes, blocks, and sizes
+Inode 12, end of extent exceeds allowed value
+	(logical block 15, physical block 200, len 30)
+Clear? yes
+
+Inode 12, i_blocks is 154, should be 94.  Fix? yes
+
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+Block bitmap differences:  -(200--229)
+Fix? yes
+
+Free blocks count wrong for group #0 (156, counted=186).
+Fix? yes
+
+Free blocks count wrong (156, counted=186).
+Fix? yes
+
+
+test_filesys: ***** FILE SYSTEM WAS MODIFIED *****
+test_filesys: 12/32 files (8.3% non-contiguous), 70/256 blocks
+Exit status is 1
diff --git a/tests/f_extent_oobounds/expect.2 b/tests/f_extent_oobounds/expect.2
new file mode 100644
index 0000000..22c4f2c
--- /dev/null
+++ b/tests/f_extent_oobounds/expect.2
@@ -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: 12/32 files (8.3% non-contiguous), 70/256 blocks
+Exit status is 0
diff --git a/tests/f_extent_oobounds/script b/tests/f_extent_oobounds/script
new file mode 100644
index 0000000..31ac6c9
--- /dev/null
+++ b/tests/f_extent_oobounds/script
@@ -0,0 +1,42 @@
+if test -x $DEBUGFS_EXE; then
+
+SKIP_GUNZIP="true"
+TEST_DATA="$test_name.tmp"
+
+dd if=/dev/zero of=$TMPFILE bs=1k count=256 > /dev/null 2>&1
+mke2fs -Ft ext4 $TMPFILE > /dev/null 2>&1
+debugfs -w $TMPFILE << EOF  > /dev/null 2>&1
+write /dev/null testfile
+extent_open testfile
+  insert_node 0 15 100
+  insert_node --after 15 15 115
+  insert_node --after 30 15 130
+  insert_node --after 45 15 145
+  split
+  down
+  split
+  root
+  down
+  next
+  replace_node 15 30 200
+  extent_close
+set_inode_field testfile i_size 61400
+set_inode_field testfile i_blocks 154
+setb 100 15
+setb 130 30
+setb 200 30
+set_bg 0 free_blocks_count 156
+set_bg 0 bg_checksum calc
+set_super_value free_blocks_count 156
+q
+EOF
+
+. $cmd_dir/run_e2fsck
+
+rm -f $TEST_DATA
+
+unset E2FSCK_TIME TEST_DATA
+
+else #if test -x $DEBUGFS_EXE; then
+	echo "$test_name: $test_description: skipped"
+fi
-- 
1.7.12.rc0.22.gcdd159b

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