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-rw-r--r-- | tests/fsck-tests/012-leaf-corruption/no_data_extent.tar.xz (renamed from tests/fsck-tests/013-leaf-corruption-no-extent-data.tar.xz) | bin | 177600 -> 177600 bytes | |||
-rwxr-xr-x | tests/fsck-tests/012-leaf-corruption/test.sh | 119 |
2 files changed, 119 insertions, 0 deletions
diff --git a/tests/fsck-tests/013-leaf-corruption-no-extent-data.tar.xz b/tests/fsck-tests/012-leaf-corruption/no_data_extent.tar.xz Binary files differindex cc90b58e..cc90b58e 100644 --- a/tests/fsck-tests/013-leaf-corruption-no-extent-data.tar.xz +++ b/tests/fsck-tests/012-leaf-corruption/no_data_extent.tar.xz diff --git a/tests/fsck-tests/012-leaf-corruption/test.sh b/tests/fsck-tests/012-leaf-corruption/test.sh new file mode 100755 index 00000000..edf77193 --- /dev/null +++ b/tests/fsck-tests/012-leaf-corruption/test.sh @@ -0,0 +1,119 @@ +#!/bin/bash + +source $top/tests/common + +# Check file list for leaf corruption, no regular/preallocated +# file extent case. +# Corrupted leaf is 20832256, which contains inode 1862~1872 +# +# 1862, ref from leaf 20828160 key 24(DIR_ITEM) +# 1863, ref from leaf 605388 item key 11(DIR_ITEM) +# 1864, no ref to rebuild, no need to rebuild +# 1865, ref from leaf 19767296 key 23(DIR_ITEM) +# 1866-1868 no ref to rebuild, all refs in corrupted leaf +# 1869, ref from leaf 4976640 key 22(DIR_ITEM) +# 1870 no ref to rebuild, all refs in corrupted leaf +# 1871, ref from leaf 19746816 key 38(DIR_ITEM) +# 1872, ref from leaf 19767296 key 14(DIR_ITEM) +# The list format is: +# INO SIZE MODE NAME +# INO: inode number +# SIZE: file size, only checked for regular file +# MODE: raw file mode, get from stat +# NAME: file name +leaf_no_data_ext_list=( + 1862 0 40700 "install.d" + 1862 0 40700 "install.d" + 1863 0 40700 "gdb" + 1865 0 40700 "iptables" + 1869 0 40700 "snmp" + 1871 0 100700 "machine-id" + 1872 0 100700 "adjtime" +) + +generate_leaf_corrupt_no_data_ext() +{ + dest=$1 + echo "generating leaf_corrupt_no_data_ext.btrfs-image" >> $RESULT + tar xJf ./no_data_extent.tar.xz || \ + _fail "failed to extract leaf_corrupt_no_data_ext.btrfs-image" + btrfs-image -r test.img.btrfs-image $dest || \ + _fail "failed to extract leaf_corrupt_no_data_ext.btrfs-image" + + # leaf at 20832256 contains no regular data extent, clear its csum to + # corrupt the leaf. + dd if=/dev/zero of=$dest bs=1 count=32 conv=notrunc seek=20832256 \ + 1>/dev/null 2>&1 +} + +check_inode() +{ + path=$1 + ino=$2 + size=$3 + mode=$4 + name=$5 + + # Check whether the inode exists + exists=$(find $path -inum $ino) + if [ -z "$exists" ]; then + _fail "inode $ino not recovered correctly" + fi + + # Check inode type + found_mode=$(printf "%o" 0x$(stat $exists -c %f)) + if [ $found_mode -ne $mode ]; then + echo "$found_mode" + _fail "inode $ino modes not recovered" + fi + + # Check inode size + found_size=$(stat $exists -c %s) + if [ $mode -ne 41700 -a $found_size -ne $size ]; then + _fail "inode $ino size not recovered correctly" + fi + + # Check inode name + if [ "$(basename $exists)" != "$name" ]; then + _fail "inode $ino name not recovered correctly" + else + return 0 + fi +} + +# Check salvaged data in the recovered image +check_leaf_corrupt_no_data_ext() +{ + image=$1 + if [ $UID -ne 0 ]; then + echo " [NOTRUN] verify recovery. need root privilege" + exit 0 + fi + if [ -z $TEST_MNT ]; then + echo "\$TEST_MNT not set, use $(pwd)/tmp as fallback" + TEST_MNT="$(pwd)/tmp" + fi + mkdir -p $TEST_MNT || _fail "failed to create mount point" + mount $image -o ro $TEST_MNT + + i=0 + while [ $i -lt ${#leaf_no_data_ext_list[@]} ]; do + check_inode $TEST_MNT/lost+found \ + ${leaf_no_data_ext_list[i]} \ + ${leaf_no_data_ext_list[i + 1]} \ + ${leaf_no_data_ext_list[i + 2]} \ + ${leaf_no_data_ext_list[i + 3]} \ + ${leaf_no_data_ext_list[i + 4]} + ((i+=4)) + done + umount $TEST_MNT +} + +generate_leaf_corrupt_no_data_ext test.img +check_image test.img +check_leaf_corrupt_no_data_ext test.img + +rm test.img +rm test.img.btrfs-image +# Not used, its function is the same as generate_leaf_corrupt_no_data_ext() +rm generate_image.sh |