ext4: test file/dir/symlink metadata corruption checking and repair

Targeted fuzzing tests which destroy various pieces of file,
directory, and symlink metadata; the tests look for (a) kernel
detection of corruption, (b) e2fsck repair of said corruption, and (c)
post-repair fs usability.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/tests/ext4/013 b/tests/ext4/013
new file mode 100755 (executable)
index 0000000..0c98142
--- /dev/null
+++ b/tests/ext4/013
@@ -0,0 +1,126 @@
+#! /bin/bash
+# FS QA Test No. 013
+#
+# Create and populate an ext4 filesystem, corrupt an inode, then see how
+# the kernel and e2fsck deal with it.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    cd /
+    #rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/attr
+
+# real QA test starts here
+_supported_fs ext4
+_supported_os Linux
+
+_require_scratch
+test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc
+_require_attrs
+
+rm -f $seqres.full
+TESTDIR="${SCRATCH_MNT}/scratchdir"
+TESTFILE="${TESTDIR}/testfile"
+
+echo "+ create scratch fs"
+_scratch_mkfs_ext4 > /dev/null 2>&1
+
+echo "+ mount fs image"
+_scratch_mount
+
+echo "+ make some files"
+mkdir -p "${TESTDIR}"
+for x in `seq 1 1024`; do
+       touch "${SCRATCH_MNT}/junk.${x}"
+       inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
+       if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
+               mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
+               break
+       fi
+done
+for x in `seq 2 64`; do
+       touch "${TESTFILE}.${x}"
+done
+inode="$(stat -c '%i' "${TESTFILE}.1")"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+echo "+ corrupt image"
+blk="$(debugfs -R "imap <$inode>" "${SCRATCH_DEV}" 2> /dev/null | grep located | sed -e 's/^.*block \([0-9]*\),.*$/\1/g')"
+debugfs -w -R "zap_block ${blk}" "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "inode fuzz failed"
+
+echo "+ mount image"
+_scratch_mount
+
+echo "+ modify files"
+broken=0
+for x in `seq 1 64`; do
+       #test -e "${TESTFILE}.${x}" || continue
+       stat "${TESTFILE}.${x}" >> $seqres.full 2>&1
+       test $? -ne 0 && broken=1
+       echo moo | dd oflag=append of="${TESTFILE}.${x}" 2>/dev/null
+       test $? -ne 0 && broken=1
+done
+echo "broken: ${broken}"
+umount "${SCRATCH_MNT}"
+
+echo "+ repair fs"
+e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1
+
+echo "+ mount image (2)"
+_scratch_mount
+
+echo "+ chattr -R -i"
+chattr -R -f -i "${SCRATCH_MNT}/"
+
+echo "+ modify files (2)"
+broken=0
+for x in `seq 1 64`; do
+       test -e "${TESTFILE}.${x}" || continue
+       stat "${TESTFILE}.${x}" >> $seqres.full 2>&1
+       test $? -ne 0 && broken=1
+       echo moo | dd oflag=append of="${TESTFILE}.${x}" 2>/dev/null
+       test $? -ne 0 && broken=1
+done
+echo "broken: ${broken}"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs (2)"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+status=0
+exit

diff --git a/tests/ext4/013.out b/tests/ext4/013.out
new file mode 100644 (file)
index 0000000..f01a2c8
--- /dev/null
+++ b/tests/ext4/013.out
@@ -0,0 +1,15 @@
+QA output created by 013
++ create scratch fs
++ mount fs image
++ make some files
++ check fs
++ corrupt image
++ mount image
++ modify files
+broken: 1
++ repair fs
++ mount image (2)
++ chattr -R -i
++ modify files (2)
+broken: 0
++ check fs (2)

diff --git a/tests/ext4/014 b/tests/ext4/014
new file mode 100755 (executable)
index 0000000..6c3fe6f
--- /dev/null
+++ b/tests/ext4/014
@@ -0,0 +1,124 @@
+#! /bin/bash
+# FS QA Test No. 014
+#
+# Create and populate an ext4 filesystem, corrupt root directory, then
+# see how the kernel and e2fsck deal with it.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    cd /
+    #rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/attr
+
+# real QA test starts here
+_supported_fs ext4
+_supported_os Linux
+
+_require_scratch
+test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc
+_require_attrs
+
+rm -f $seqres.full
+TESTDIR="${SCRATCH_MNT}/scratchdir"
+TESTFILE="${TESTDIR}/testfile"
+
+echo "+ create scratch fs"
+_scratch_mkfs_ext4 > /dev/null 2>&1
+
+echo "+ mount fs image"
+_scratch_mount
+
+echo "+ make some files"
+mkdir -p "${TESTDIR}"
+for x in `seq 1 128`; do
+       touch "${SCRATCH_MNT}/junk.${x}"
+       inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
+       if [ "$x" -gt 64 ] && [ "$((inode % 64))" -eq 0 ]; then
+               mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
+               break
+       fi
+done
+for x in `seq 2 64`; do
+       touch "${TESTFILE}.${x}"
+done
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+echo "+ corrupt image"
+debugfs -w -R "zap -f / 0" "${SCRATCH_DEV}" >> $seqres.full 2>&1
+
+echo "+ mount image"
+_scratch_mount
+
+echo "+ modify files"
+broken=0
+for x in `seq 1 64`; do
+       #test -e "${TESTFILE}.${x}" || continue
+       stat "${TESTFILE}.${x}" >> $seqres.full 2>&1
+       test $? -ne 0 && broken=1
+       echo moo | dd oflag=append of="${TESTFILE}.${x}" 2>/dev/null
+       test $? -ne 0 && broken=1
+done
+echo "broken: ${broken}"
+umount "${SCRATCH_MNT}"
+
+echo "+ repair fs"
+e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1 && _fail "e2fsck should not succeed"
+
+echo "+ mount image (2)"
+_scratch_mount
+
+echo "+ chattr -R -i"
+chattr -R -f -i "${SCRATCH_MNT}/"
+
+echo "+ modify files (2)"
+broken=0
+for x in `seq 1 64`; do
+       test -e "${TESTFILE}.${x}" || continue
+       stat "${TESTFILE}.${x}" >> $seqres.full 2>&1
+       test $? -ne 0 && broken=1
+       echo moo | dd oflag=append of="${TESTFILE}.${x}" 2>/dev/null
+       test $? -ne 0 && broken=1
+done
+echo "broken: ${broken}"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs (2)"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+status=0
+exit

diff --git a/tests/ext4/014.out b/tests/ext4/014.out
new file mode 100644 (file)
index 0000000..96a9efc
--- /dev/null
+++ b/tests/ext4/014.out
@@ -0,0 +1,15 @@
+QA output created by 014
++ create scratch fs
++ mount fs image
++ make some files
++ check fs
++ corrupt image
++ mount image
++ modify files
+broken: 1
++ repair fs
++ mount image (2)
++ chattr -R -i
++ modify files (2)
+broken: 0
++ check fs (2)

diff --git a/tests/ext4/015 b/tests/ext4/015
new file mode 100755 (executable)
index 0000000..52dfb17
--- /dev/null
+++ b/tests/ext4/015
@@ -0,0 +1,103 @@
+#! /bin/bash
+# FS QA Test No. 015
+#
+# Create and populate an ext4 filesystem, corrupt an extent tree block, then
+# see how the kernel and e2fsck deal with it.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    cd /
+    #rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/attr
+
+# real QA test starts here
+_supported_fs ext4
+_supported_os Linux
+
+_require_xfs_io_command "falloc"
+_require_xfs_io_command "fpunch"
+_require_scratch
+test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc
+_require_attrs
+
+rm -f $seqres.full
+TESTDIR="${SCRATCH_MNT}/scratchdir"
+TESTFILE="${TESTDIR}/testfile"
+
+echo "+ create scratch fs"
+_scratch_mkfs_ext4 > /dev/null 2>&1
+
+echo "+ mount fs image"
+_scratch_mount
+blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
+freeblks="$((3 * blksz / 12))"
+
+echo "+ make some files"
+$XFS_IO_PROG -f -c "falloc 0 $((blksz * freeblks))" "${SCRATCH_MNT}/bigfile" >> $seqres.full
+seq 1 2 ${freeblks} | while read lblk; do
+       $XFS_IO_PROG -f -c "fpunch $((lblk * blksz)) ${blksz}" "${SCRATCH_MNT}/bigfile" >> $seqres.full
+done
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+echo "+ corrupt image"
+debugfs "${SCRATCH_DEV}" -R 'ex /bigfile' 2> /dev/null | grep '^ 0' | awk '{print $8}' | while read blk; do
+       $XFS_IO_PROG -f -c "pwrite -S 0x62 $((blk * blksz + 8)) 8" "${SCRATCH_DEV}" >> $seqres.full
+done
+
+echo "+ mount image"
+_scratch_mount
+
+echo "+ modify files"
+echo moo >> "${SCRATCH_MNT}/bigfile" 2> /dev/null && _fail "extent tree should be corrupt"
+umount "${SCRATCH_MNT}"
+
+echo "+ repair fs"
+e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1
+
+echo "+ mount image (2)"
+_scratch_mount
+
+echo "+ modify files (2)"
+$XFS_IO_PROG -f -c "pwrite ${blksz} ${blksz}" "${SCRATCH_MNT}/bigfile" >> $seqres.full
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs (2)"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+status=0
+exit

diff --git a/tests/ext4/015.out b/tests/ext4/015.out
new file mode 100644 (file)
index 0000000..b49d13b
--- /dev/null
+++ b/tests/ext4/015.out
@@ -0,0 +1,12 @@
+QA output created by 015
++ create scratch fs
++ mount fs image
++ make some files
++ check fs
++ corrupt image
++ mount image
++ modify files
++ repair fs
++ mount image (2)
++ modify files (2)
++ check fs (2)

diff --git a/tests/ext4/016 b/tests/ext4/016
new file mode 100755 (executable)
index 0000000..c09d01b
--- /dev/null
+++ b/tests/ext4/016
@@ -0,0 +1,96 @@
+#! /bin/bash
+# FS QA Test No. 016
+#
+# Create and populate an ext4 filesystem, corrupt a dirent block, then
+# see how the kernel and e2fsck deal with it.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    cd /
+    #rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/attr
+
+# real QA test starts here
+_supported_fs ext4
+_supported_os Linux
+
+_require_scratch
+test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc
+_require_attrs
+
+rm -f $seqres.full
+TESTDIR="${SCRATCH_MNT}/scratchdir"
+TESTFILE="${TESTDIR}/testfile"
+
+echo "+ create scratch fs"
+_scratch_mkfs_ext4 > /dev/null 2>&1
+
+echo "+ mount fs image"
+_scratch_mount
+
+echo "+ make some files"
+for x in `seq 1 15`; do
+       mkdir -p "${SCRATCH_MNT}/test/d_${x}"
+done
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+echo "+ corrupt image"
+debugfs -w -R "zap -f /test 0" "${SCRATCH_DEV}" 2> /dev/null
+
+echo "+ mount image"
+_scratch_mount
+
+echo "+ modify dirs"
+mkdir -p "${SCRATCH_MNT}/test/newdir" 2> /dev/null && _fail "directory should be corrupt"
+umount "${SCRATCH_MNT}"
+
+echo "+ repair fs"
+e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1
+
+echo "+ mount image (2)"
+_scratch_mount
+
+echo "+ modify dirs (2)"
+mkdir -p "${SCRATCH_MNT}/test/newdir" || _fail "directory should be corrupt"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs (2)"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+status=0
+exit

diff --git a/tests/ext4/016.out b/tests/ext4/016.out
new file mode 100644 (file)
index 0000000..74bf9f9
--- /dev/null
+++ b/tests/ext4/016.out
@@ -0,0 +1,12 @@
+QA output created by 016
++ create scratch fs
++ mount fs image
++ make some files
++ check fs
++ corrupt image
++ mount image
++ modify dirs
++ repair fs
++ mount image (2)
++ modify dirs (2)
++ check fs (2)

diff --git a/tests/ext4/017 b/tests/ext4/017
new file mode 100755 (executable)
index 0000000..4e3f7da
--- /dev/null
+++ b/tests/ext4/017
@@ -0,0 +1,99 @@
+#! /bin/bash
+# FS QA Test No. 017
+#
+# Create and populate an ext4 filesystem, corrupt a htree block, then
+# see how the kernel and e2fsck deal with it.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    cd /
+    #rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/attr
+
+# real QA test starts here
+_supported_fs ext4
+_supported_os Linux
+
+_require_scratch
+test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc
+_require_attrs
+
+rm -f $seqres.full
+TESTDIR="${SCRATCH_MNT}/scratchdir"
+TESTFILE="${TESTDIR}/testfile"
+
+echo "+ create scratch fs"
+_scratch_mkfs_ext4 > /dev/null 2>&1
+
+echo "+ mount fs image"
+_scratch_mount
+blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
+
+echo "+ make some files"
+mkdir -p "${SCRATCH_MNT}/test/"
+for x in `seq 1 $((blksz * 4 / 256))`; do
+       fname="$(printf "%.255s\n" "$(perl -e "print \"${x}_\" x 500;")")"
+       touch "${SCRATCH_MNT}/test/${fname}"
+done
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+echo "+ corrupt image"
+debugfs -w -R "zap -f /test 0" "${SCRATCH_DEV}" 2> /dev/null
+
+echo "+ mount image"
+_scratch_mount
+
+echo "+ modify dirs"
+mkdir -p "${SCRATCH_MNT}/test/newdir" 2> /dev/null && _fail "htree should be corrupt"
+umount "${SCRATCH_MNT}"
+
+echo "+ repair fs"
+e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1
+
+echo "+ mount image (2)"
+_scratch_mount
+
+echo "+ modify dirs (2)"
+mkdir -p "${SCRATCH_MNT}/test/newdir" || _fail "htree should not be corrupt"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs (2)"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+status=0
+exit

diff --git a/tests/ext4/017.out b/tests/ext4/017.out
new file mode 100644 (file)
index 0000000..532bd63
--- /dev/null
+++ b/tests/ext4/017.out
@@ -0,0 +1,12 @@
+QA output created by 017
++ create scratch fs
++ mount fs image
++ make some files
++ check fs
++ corrupt image
++ mount image
++ modify dirs
++ repair fs
++ mount image (2)
++ modify dirs (2)
++ check fs (2)

diff --git a/tests/ext4/018 b/tests/ext4/018
new file mode 100755 (executable)
index 0000000..8df6112
--- /dev/null
+++ b/tests/ext4/018
@@ -0,0 +1,97 @@
+#! /bin/bash
+# FS QA Test No. 018
+#
+# Create and populate an ext4 filesystem, corrupt a xattr block, then
+# see how the kernel and e2fsck deal with it.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    cd /
+    #rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/attr
+
+# real QA test starts here
+_supported_fs ext4
+_supported_os Linux
+
+_require_scratch
+test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc
+_require_attrs
+
+rm -f $seqres.full
+TESTDIR="${SCRATCH_MNT}/scratchdir"
+TESTFILE="${TESTDIR}/testfile"
+
+echo "+ create scratch fs"
+_scratch_mkfs_ext4 > /dev/null 2>&1
+
+echo "+ mount fs image"
+_scratch_mount
+blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
+
+echo "+ make some files"
+$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${SCRATCH_MNT}/attrfile" >> $seqres.full
+setfattr -n user.key -v "$(perl -e 'print "v" x 300;')" "${SCRATCH_MNT}/attrfile"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+echo "+ corrupt image"
+blk="$(debugfs -R 'stat /attrfile' "${SCRATCH_DEV}" 2> /dev/null | grep 'File ACL:' | sed -e 's/^.*File ACL: \([0-9]*\).*Directory.*$/\1/g')"
+$XFS_IO_PROG -f -c "pwrite -S 0x62 $((blk * blksz + 20)) 8" "${SCRATCH_DEV}" >> $seqres.full
+
+echo "+ mount image"
+_scratch_mount
+
+echo "+ modify attrs"
+setfattr -n user.newkey -v "$(perl -e 'print "v" x 300;')" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "xattr should be corrupt"
+umount "${SCRATCH_MNT}"
+
+echo "+ repair fs"
+e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1
+
+echo "+ mount image (2)"
+_scratch_mount
+
+echo "+ modify attrs (2)"
+setfattr -n user.newkey -v "$(perl -e 'print "v" x 300;')" "${SCRATCH_MNT}/attrfile" || _fail "xattr should not be corrupt"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs (2)"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+status=0
+exit

diff --git a/tests/ext4/018.out b/tests/ext4/018.out
new file mode 100644 (file)
index 0000000..72331bc
--- /dev/null
+++ b/tests/ext4/018.out
@@ -0,0 +1,12 @@
+QA output created by 018
++ create scratch fs
++ mount fs image
++ make some files
++ check fs
++ corrupt image
++ mount image
++ modify attrs
++ repair fs
++ mount image (2)
++ modify attrs (2)
++ check fs (2)

diff --git a/tests/ext4/019 b/tests/ext4/019
new file mode 100755 (executable)
index 0000000..8eb5041
--- /dev/null
+++ b/tests/ext4/019
@@ -0,0 +1,95 @@
+#! /bin/bash
+# FS QA Test No. 019
+#
+# Create and populate an ext4 filesystem, corrupt a big symlink, then
+# see how the kernel and e2fsck deal with it.  (They won't)
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2015 Oracle, Inc.  All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+    cd /
+    #rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/attr
+
+# real QA test starts here
+_supported_fs ext4
+_supported_os Linux
+
+_require_scratch
+test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc
+_require_attrs
+
+rm -f $seqres.full
+TESTDIR="${SCRATCH_MNT}/scratchdir"
+TESTFILE="${TESTDIR}/testfile"
+
+echo "+ create scratch fs"
+_scratch_mkfs_ext4 -O journal > /dev/null 2>&1
+
+echo "+ mount fs image"
+_scratch_mount
+blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
+test "${blksz}" -gt 4096 && blksz=4096
+
+echo "+ make some files"
+echo "file contents: moo" > "${SCRATCH_MNT}/x"
+str="$(perl -e "print './' x $(( (blksz / 2) - 16));")x"
+(cd $SCRATCH_MNT; ln -s "${str}" "long_symlink")
+cat "${SCRATCH_MNT}/long_symlink"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+echo "+ corrupt image"
+debugfs -w -R 'zap -f /long_symlink -p 0x62 0' "${SCRATCH_DEV}" 2> /dev/null
+
+echo "+ mount image"
+_scratch_mount 2> /dev/null
+cat "${SCRATCH_MNT}/long_symlink" 2>/dev/null && _fail "symlink should be broken"
+umount "${SCRATCH_MNT}"
+
+echo "+ repair fs"
+e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1
+
+echo "+ mount image (2)"
+_scratch_mount
+cat "${SCRATCH_MNT}/long_symlink" 2>/dev/null && _fail "symlink should be broken"
+umount "${SCRATCH_MNT}"
+
+echo "+ check fs (2)"
+e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
+
+status=0
+exit

diff --git a/tests/ext4/019.out b/tests/ext4/019.out
new file mode 100644 (file)
index 0000000..9c7d295
--- /dev/null
+++ b/tests/ext4/019.out
@@ -0,0 +1,11 @@
+QA output created by 019
++ create scratch fs
++ mount fs image
++ make some files
+file contents: moo
++ check fs
++ corrupt image
++ mount image
++ repair fs
++ mount image (2)
++ check fs (2)

diff --git a/tests/ext4/group b/tests/ext4/group
index b2c01c63bb97bf985fecec4cb77fc83ac1797e31..c947db63ecb922e80ca0515c736b6b7d75a76af7 100644 (file)
--- a/tests/ext4/group
+++ b/tests/ext4/group
@@ -15,6 +15,13 @@
 010 fuzzers
 011 fuzzers
 012 fuzzers
+013 fuzzers
+014 fuzzers
+015 fuzzers
+016 fuzzers
+017 fuzzers
+018 fuzzers
+019 fuzzers
 271 auto rw quick
 301 aio dangerous ioctl rw stress
 302 aio dangerous ioctl rw stress