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xfs: fix blocktrash fuzzers

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The blocktrash fuzz tests for xfs will try to mount and write to the
filesystem after corrupting it.  However, the mount may not necessarily
succeed, in which case we must not write junk to the root filesystem.
Use the new _try_scratch_mount to guard against that.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Darrick J. Wong
2018-05-01 08:40:17 -07:00
committed by Eryu Guan
parent e2fd1a080e
commit 0828657542
22 changed files with 148 additions and 126 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/xfs/086
+7 -6
View File
@@ -93,13 +93,14 @@ done
# Try to append to files; this should fail
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
echo "+ modify files"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/087
+9 -8
View File
@@ -91,15 +91,16 @@ for ag in $(seq 1 $((agcount - 1))) 0; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
broken=0
for x in `seq 65 70`; do
touch "${TESTFILE}.${x}" 2> /dev/null || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
echo "+ modify files"
broken=0
for x in `seq 65 70`; do
touch "${TESTFILE}.${x}" 2> /dev/null || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/088
+7 -6
View File
@@ -92,13 +92,14 @@ done
# Try to append to files; this should fail
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
echo "+ modify files"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/089
+7 -6
View File
@@ -92,13 +92,14 @@ done
# Try to append to files; this should fail
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
echo "+ modify files"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/091
+7 -6
View File
@@ -92,13 +92,14 @@ done
# Try to append to files; this should fail
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
echo "+ modify files"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/093
+9 -8
View File
@@ -91,15 +91,16 @@ for ag in $(seq 1 $((agcount - 1))) 0; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
broken=0
for x in `seq 65 70`; do
touch "${TESTFILE}.${x}" 2> /dev/null || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
echo "+ modify files"
broken=0
for x in `seq 65 70`; do
touch "${TESTFILE}.${x}" 2> /dev/null || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/097
+9 -8
View File
@@ -94,15 +94,16 @@ for ag in $(seq 1 $((agcount - 1))) 0; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
broken=0
for x in `seq 65 70`; do
touch "${TESTFILE}.${x}" 2> /dev/null || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
echo "+ modify files"
broken=0
for x in `seq 65 70`; do
touch "${TESTFILE}.${x}" 2> /dev/null || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/099
+6 -5
View File
@@ -82,12 +82,13 @@ echo "+ corrupt dir"
_scratch_xfs_db -x -c "inode ${inode}" -c 'dblock 0' -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/100
+6 -5
View File
@@ -87,12 +87,13 @@ while true; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/101
+6 -5
View File
@@ -82,12 +82,13 @@ echo "+ corrupt dir"
_scratch_xfs_db -x -c "inode ${inode}" -c "dblock ${leaf_lblk}" -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/102
+6 -5
View File
@@ -87,12 +87,13 @@ while true; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/105
+6 -5
View File
@@ -87,12 +87,13 @@ while true; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/112
+6 -5
View File
@@ -87,12 +87,13 @@ while true; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/113
+6 -5
View File
@@ -87,12 +87,13 @@ while true; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
echo "+ modify dir"
rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory"
mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/117
+12 -11
View File
@@ -90,18 +90,19 @@ seq "${inode}" "$((inode + 64))" | while read ino; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
broken=0
for x in `seq 1 64`; do
stat "${TESTFILE}.${x}" >> $seqres.full 2>&1
test $? -ne 0 && broken=1
touch "${TESTFILE}.${x}" >> $seqres.full 2>&1
test $? -ne 0 && broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
echo "+ modify files"
broken=0
for x in `seq 1 64`; do
stat "${TESTFILE}.${x}" >> $seqres.full 2>&1
test $? -ne 0 && broken=1
touch "${TESTFILE}.${x}" >> $seqres.full 2>&1
test $? -ne 0 && broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/120
+8 -7
View File
@@ -79,14 +79,15 @@ echo "+ corrupt image"
_scratch_xfs_db -x -c "inode ${inode}" -c "addr u.bmbt.ptrs[1]" -c "addr u3.bmbt.ptrs[1]" -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify files"
before="$(stat -c '%b' "${SCRATCH_MNT}/bigfile")"
$XFS_IO_PROG -f -c "pwrite -S 0x62 ${blksz} ${blksz}" -c 'fsync' "${SCRATCH_MNT}/bigfile" >> $seqres.full 2> /dev/null
after="$(stat -c '%b' "${SCRATCH_MNT}/bigfile")"
test "${before}" -eq "${after}" || _fail "pwrite should fail on corrupt bmbt"
umount "${SCRATCH_MNT}"
echo "+ modify files"
before="$(stat -c '%b' "${SCRATCH_MNT}/bigfile")"
$XFS_IO_PROG -f -c "pwrite -S 0x62 ${blksz} ${blksz}" -c 'fsync' "${SCRATCH_MNT}/bigfile" >> $seqres.full 2> /dev/null
after="$(stat -c '%b' "${SCRATCH_MNT}/bigfile")"
test "${before}" -eq "${after}" || _fail "pwrite should fail on corrupt bmbt"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/123
+4 -3
View File
@@ -78,9 +78,10 @@ echo "+ corrupt image"
_scratch_xfs_db -x -c "inode ${inode}" -c "dblock 0" -c "stack" -c "blocktrash -x 32 -o 256 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
echo "+ mount image"
_scratch_mount
cat "${SCRATCH_MNT}/long_symlink" 2>/dev/null && _fail "symlink should be broken"
umount "${SCRATCH_MNT}"
if _try_scratch_mount >> $seqres.full 2>&1; then
cat "${SCRATCH_MNT}/long_symlink" 2>/dev/null && _fail "symlink should be broken"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/124
+5 -4
View File
@@ -87,11 +87,12 @@ echo "+ corrupt xattr"
_scratch_xfs_db -x -c "inode ${inode}" -c 'ablock 0' -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify xattr"
setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "modified corrupt xattr"
umount "${SCRATCH_MNT}"
echo "+ modify xattr"
setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "modified corrupt xattr"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/125
+5 -4
View File
@@ -87,11 +87,12 @@ echo "+ corrupt xattr"
_scratch_xfs_db -x -c "inode ${inode}" -c 'ablock 0' -c "stack" -c "blocktrash -x 32 -o +32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify xattr"
setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "modified corrupt xattr"
umount "${SCRATCH_MNT}"
echo "+ modify xattr"
setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "modified corrupt xattr"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
tests/xfs/126
+5 -4
View File
@@ -92,11 +92,12 @@ while true; do
done
echo "+ mount image"
_scratch_mount
if _try_scratch_mount >> $seqres.full 2>&1; then
echo "+ modify xattr"
setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "modified corrupt xattr"
umount "${SCRATCH_MNT}"
echo "+ modify xattr"
setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "modified corrupt xattr"
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1

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