| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2023 SUSE Linux Products GmbH. All Rights Reserved. |
| # |
| # FS QA Test No. 295 |
| # |
| # Make sure btrfs handles critical errors gracefully during mount. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick dangerous |
| |
| . ./common/filter |
| _supported_fs btrfs |
| _require_scratch |
| |
| # Use single metadata profile so we only need to corrupt one copy of tree block |
| _scratch_mkfs -m single > $seqres.full |
| |
| logical_root=$($BTRFS_UTIL_PROG inspect dump-tree -t root "$SCRATCH_DEV" | \ |
| grep leaf | head -n1 | cut -f2 -d\ ) |
| physical_root=$(_btrfs_get_physical $logical_root 1) |
| |
| echo "tree root logical=$logical_root" >> $seqres.full |
| echo "tree root physical=$physical_root" >> $seqres.full |
| |
| _pwrite_byte 0x00 "$physical_root" 4 $SCRATCH_DEV >> $seqres.full |
| |
| # mount may lead to crash |
| _try_scratch_mount >> $seqres.full 2>&1 |
| |
| echo "Silence is golden" |
| |
| # Re-create the fs to avoid false alert from the corrupted fs. |
| _scratch_mkfs -m single >> $seqres.full |
| |
| # success, all done |
| status=0 |
| exit |
