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e2fuzz: fuzz harder 

Once we've "fixed" the filesystem, try mounting and modifying it to see
if we can break the kernel.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
debian
Darrick J. Wong 2015-04-20 21:47:18 -04:00 committed by Theodore Ts'o
parent a6721909c2
commit e0d5dd3602
1 changed files with 59 additions and 1 deletions
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60
misc/e2fuzz.sh
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@ -139,7 +139,7 @@ if [ $? -ne 0 ]; then
fi
SRC_SZ="$(du -ks "${SRCDIR}" | awk '{print $1}')"
FS_SZ="$(( $(stat -f "${TESTMNT}" -c '%a * %S') / 1024 ))"
NR="$(( (FS_SZ * 6 / 10) / SRC_SZ ))"
NR="$(( (FS_SZ * 4 / 10) / SRC_SZ ))"
if [ "${NR}" -lt 1 ]; then
NR=1
fi
@ -263,6 +263,64 @@ seq 1 "${PASSES}" | while read pass; do
break;
fi
fi
echo "+++ check fs for round 2"
FSCK_LOG="${TESTDIR}/e2fuzz-${pass}-round2.log"
e2fsck -fn "${FSCK_IMG}" ${EXTENDED_FSCK_OPTS} >> "${FSCK_LOG}" 2>&1
res=$?
if [ "${res}" -ne 0 ]; then
echo "++++ fsck failed."
exit 1
fi
echo "++ mount image (2)"
mount "${FSCK_IMG}" "${TESTMNT}" -o loop
res=$?
if [ "${res}" -eq 0 ]; then
echo "+++ ls -laR (2)"
ls -laR "${TESTMNT}/test.1/" > /dev/null 2> "${OPS_LOG}"
echo "+++ cat files (2)"
find "${TESTMNT}/test.1/" -type f -size -1048576k -print0 | xargs -0 cat > /dev/null 2>> "${OPS_LOG}"
echo "+++ expand (2)"
find "${TESTMNT}/" -type f 2> /dev/null | head -n 50000 | while read f; do
attr -l "$f" > /dev/null 2>> "${OPS_LOG}"
if [ -f "$f" -a -w "$f" ]; then
dd if=/dev/zero bs="${BLK_SZ}" count=1 >> "$f" 2>> "${OPS_LOG}"
fi
mv "$f" "$f.longer" > /dev/null 2>> "${OPS_LOG}"
done
sync
echo "+++ create files (2)"
cp -pRdu "${SRCDIR}" "${TESTMNT}/test.moo" 2>> "${OPS_LOG}"
sync
echo "+++ remove files (2)"
rm -rf "${TESTMNT}/test.moo" 2>> "${OPS_LOG}"
umount "${TESTMNT}"
res=$?
if [ "${res}" -ne 0 ]; then
ret=1
break
fi
sync
test "${USE_FUSE2FS}" -gt 0 && sleep 2
echo "+++ check fs (2)"
e2fsck -fn "${FSCK_IMG}" >> "${FSCK_LOG}" 2>&1
res=$?
if [ "${res}" -ne 0 ]; then
echo "++ fsck failed."
exit 1
fi
else
echo "++ mount(2) failed with ${res}"
exit 1
fi
rm -rf "${FSCK_IMG}" "${PASS_IMG}" "${FUZZ_LOG}" "${TESTDIR}"/e2fuzz*.log
done