2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2016 CTERA Networks. All Rights Reserved.
7 # Test handling of invalid inode modes
9 # Set all possible file type values for different types of files
10 # and verify that xfs_repair detects the correct errors.
13 _begin_fstest auto quick fuzzers repair
15 # Import common functions.
19 # real QA test starts here
23 # This test will corrupt fs intentionally, so there will be WARNINGs
24 # in dmesg as expected
27 _scratch_mkfs >>$seqres.full 2>&1
31 # Create our test files.
32 testdir=$SCRATCH_MNT/test
35 echo 123 > $testdir/DATA
37 ln -s $testdir/DATA $testdir/SYMLINK
38 mknod $testdir/CHRDEV c 1 1
39 mknod $testdir/BLKDEV b 1 1
42 $XFS_INFO_PROG $SCRATCH_MNT | grep -q "ftype=1" && FTYPE_FEATURE=1
44 # Record test dir inode for xfs_repair filter
47 pino=$(ls -id $testdir | awk '{print $1}')
48 echo "s/inode $pino/PARENT_INO/" >> $inode_filter
49 echo "s/directory $pino/directory PARENT_INO/" >> $inode_filter
52 # Record inode numbers for xfs_db commands and xfs_repair filter
53 for f in DIR DATA EMPTY SYMLINK CHRDEV BLKDEV FIFO; do
54 ino=$(ls -id $testdir/$f | awk '{print $1}')
56 echo "s/inode $ino/${f}_INO/" >> $inode_filter
61 # Possible mode file type values (mode & S_IFMT) >> 12
62 dtypes="0 1 2 3 4 5 6 7 10 11 12 13 14 15 16 17"
63 echo "===== Find inode by file type:"
65 # Set all our test files to dt value
66 for ino in $inodes; do
67 _scratch_xfs_db -c "inode $ino" -c "print core.mode" | \
68 grep -q "0${dt}0...$" && \
69 (echo "dt=$dt => inode $ino" | sed -f $inode_filter)
74 echo "===== Setting dt=$dt to all files:"
75 # Set all our test files to dt value
76 for ino in $inodes; do
77 _scratch_xfs_db -x -c "inode $ino" -c "write core.mode 0${dt}0644"
79 # Repair should detect the inconsistencies
80 # For invalid dt values, all files would have been junked.
81 # For valid dt values, one test file is expected to be valid.
82 # The rest would either have wrong format or non matching dir ftype.
83 _scratch_xfs_repair -n 2>&1 | tee -a $seqres.full | \
84 _filter_repair | grep "^would have junked" | sed -f $inode_filter | sort -u
85 # If ftype feature is enabled, when setting file type to one of the
86 # special types (i.e. FIFO(1), CHRDEV(2),BLKDEV(6),SOCKET(14)),
87 # xfs_repair is expected to detect ftype mismatch error. Otherewise,
88 # xfs_repair is not expected to detect ftype mismatch error.
89 if [ "$FTYPE_FEATURE" = 1 ] && (echo ':1:2:6:14:' | grep -q ":$dt:"); then
90 _scratch_xfs_repair -n 2>&1 | grep -q "^would fix ftype mismatch" || \
91 echo "xfs_repair should fix ftype mismatch"
93 _scratch_xfs_repair -n 2>&1 | grep -q -v "^would fix ftype mismatch" || \
94 echo "xfs_repair should not fix ftype mismatch"
98 for file in DIR DATA EMPTY SYMLINK CHRDEV BLKDEV FIFO; do
100 ftype=$(stat --printf=%F $testdir/$file 2>$tmp.stat.err)
101 if [ -s $tmp.stat.err ]; then
102 cat $tmp.stat.err | _filter_stat
104 echo "stat: '$testdir/$file' is a $ftype"
105 # Verify that readlink of a file posing as a symlink
106 # and ls of a file posing as a directory does not blow up.
107 # NOTE that ls DOES ASSERT with kernel 4.9 and XFS_DEBUG=y
108 # on malformed directory
109 if [ -d $testdir/$file ]; then
110 ls $testdir/$file &> /dev/null
111 elif [ -h $testdir/$file ]; then
112 readlink $testdir/$file &> /dev/null
119 # Repair should detect and junk all test files
120 _scratch_xfs_repair 2>&1 >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"