[f2fs-dev,RFC,11/24] tests: add fsck testcase of fixing cp crc

Commit Message

Sheng Yong Oct. 29, 2024, 12:09 p.m. UTC

Signed-off-by: Sheng Yong <[e-mail]>
---
 tests/f_cp_bad_crc/README    |  5 ++++
 tests/f_cp_bad_crc/expect.in | 22 +++++++++++++++++
 tests/f_cp_bad_crc/script    | 46 ++++++++++++++++++++++++++++++++++++
 3 files changed, 73 insertions(+)
 create mode 100644 tests/f_cp_bad_crc/README
 create mode 100644 tests/f_cp_bad_crc/expect.in
 create mode 100644 tests/f_cp_bad_crc/script

Patch

diff --git a/tests/f_cp_bad_crc/README b/tests/f_cp_bad_crc/README
new file mode 100644
index 000000000000..250ece3f8b5a
--- /dev/null
+++ b/tests/f_cp_bad_crc/README
@@ -0,0 +1,5 @@ 
+1. create f2fs image
+2. create a new file
+3. inject crc in current cp with value 0x12345
+4. fsck fixes bad cp by copying backup cp
+5. compare cp1 version with cp2 version, both cp should have the same version
diff --git a/tests/f_cp_bad_crc/expect.in b/tests/f_cp_bad_crc/expect.in
new file mode 100644
index 000000000000..f21fecd2ae17
--- /dev/null
+++ b/tests/f_cp_bad_crc/expect.in
@@ -0,0 +1,22 @@ 
+Info: Automatic fix mode enabled.
+	Invalid CP CRC: offset:_OFFS_, crc:0x12345, calc:_CRC_
+Info: checkpoint state = x :  nat_bits crc fsck compacted_summary unmount
+
+[FSCK] Unreachable nat entries                        [Ok..] [x]
+[FSCK] SIT valid block bitmap checking                [Ok..]
+[FSCK] Hard link checking for regular file            [Ok..] [x]
+[FSCK] valid_block_count matching with CP             [Ok..] [x]
+[FSCK] valid_node_count matching with CP (de lookup)  [Ok..] [x]
+[FSCK] valid_node_count matching with CP (nat lookup) [Ok..] [x]
+[FSCK] valid_inode_count matched with CP              [Ok..] [x]
+[FSCK] free segment_count matched with CP             [Ok..] [x]
+[FSCK] next block offset is free                      [Ok..]
+[FSCK] fixing SIT types
+[FSCK] other corrupted bugs                           [Ok..]
+Info: Duplicate valid checkpoint to mirror position x -> x
+Info: Write valid nat_bits in checkpoint
+Info: write_checkpoint() cur_cp:x
+
+Info: Automatic fix mode enabled.
+Info: checkpoint state = x :  nat_bits unmount
+Info: No error was reported
diff --git a/tests/f_cp_bad_crc/script b/tests/f_cp_bad_crc/script
new file mode 100644
index 000000000000..5ef689c33ebe
--- /dev/null
+++ b/tests/f_cp_bad_crc/script
@@ -0,0 +1,46 @@ 
+#!/bin/bash
+
+DESC="current cp with invalid crc"
+
+. $TOPDIR/tests/helpers
+
+cleanup pre > $LOG 2>&1
+make_f2fs >> $LOG 2>&1
+
+mkdir $TESTDIR/mntdir
+safe_mount $MNT_OPTS $META $TESTDIR/mntdir >> $LOG 2>&1
+if [ $? -ne 0 ]; then
+	echo "cannot mount f2fs image"
+	exit
+fi
+touch $TESTDIR/mntdir/testfile
+safe_umount $TESTDIR/mntdir >> $LOG 2>&1
+if [ $? -ne 0 ]; then
+	echo "cannot umount f2fs image"
+	exit
+fi
+rm -rf $TESTDIR/mntdir
+
+offs=`get_cp checksum_offset`
+crc=`get_cp crc`
+
+echo "crc:$crc offs:$offs" >> $LOG
+
+$INJECT --cp 0 --mb crc --val 0x12345 $META >> $LOG 2>&1
+$FSCK $FSCK_OPTS -a $META > $OUT 2>&1
+$FSCK $FSCK_OPTS -a $META >> $OUT 2>&1
+
+cp1_ver=`$INJECT --cp 1 --mb checkpoint_ver --val 0 --dry-run $META | grep "inject checkpoint_ver of cp" | awk '{print $(NF-2)}'`
+cp2_ver=`$INJECT --cp 2 --mb checkpoint_ver --val 0 --dry-run $META | grep "inject checkpoint_ver of cp" | awk '{print $(NF-2)}'`
+if [ $(($cp1_ver)) -ne $(($cp2_ver)) ]; then
+	echo "cp1_ver: $cp1_ver" >> $OUT
+	echo "cp2_ver: $cp2_ver" >> $OUT
+fi
+cat $OUT >> $LOG
+
+CRC=`printf "0x%x" $crc`
+sed "s/_CRC_/$CRC/g" $TESTDIR/expect.in > $TESTDIR/expect
+sed -i "s/_OFFS_/$offs/g" $TESTDIR/expect
+
+check_result
+cleanup post >> $LOG 2>&1