mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
7e98d41a6e
Refactor every test in the entire test suite to use the new boilerplate functions. This also migrates all the test group information into the test files. This patch has been autogenerated via the command: ./tools/convert-group btrfs ceph cifs ext4 f2fs generic nfs ocfs2 overlay perf shared udf xfs Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
80 lines
2.0 KiB
Bash
Executable File
80 lines
2.0 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2020 Red Hat, Inc. All Rights Reserved.
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#
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# FS QA Test 520
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#
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# Verify kernel doesn't hang when mounting a crafted image
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# with bad agf.freeblks metadata due to CVE-2020-12655.
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#
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# Also, check if
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# commit d0c7feaf8767 ("xfs: add agf freeblocks verify in xfs_agf_verify")
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# is included in the current kernel.
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#
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. ./common/preamble
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_begin_fstest auto quick reflink
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# Override the default cleanup function.
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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_scratch_unmount > /dev/null 2>&1
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}
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# Import common functions.
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. ./common/filter
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# real QA test starts here
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_supported_fs xfs
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_disable_dmesg_check
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_require_check_dmesg
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_require_scratch_nocheck
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# Don't let the rtbitmap fill up the data device and screw up this test
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unset USE_EXTERNAL
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force_crafted_metadata() {
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_scratch_mkfs_xfs -f $fsdsopt "$4" >> $seqres.full 2>&1 || _fail "mkfs failed"
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_scratch_xfs_set_metadata_field "$1" "$2" "$3" >> $seqres.full 2>&1
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local kmsg="xfs/$seq: testing $1=$2 at $(date +"%F %T")"
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local mounted=0
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local hasmsg=0
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echo "${kmsg}" > /dev/kmsg
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_try_scratch_mount >> $seqres.full 2>&1 && mounted=1
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if [ $mounted -ne 0 ]; then
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dd if=/dev/zero of=$SCRATCH_MNT/test bs=65536 count=1 >> \
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$seqres.full 2>&1
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sync
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fi
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_dmesg_since_test_start | tac | sed -ne "0,\#${kmsg}#p" | tac | \
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egrep -q 'Metadata corruption detected at' && hasmsg=1
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_scratch_unmount > /dev/null 2>&1
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[ $mounted -eq 0 -o $hasmsg -eq 1 ] || \
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_fail "potential broken kernel (mounted=${mounted},hasmsg=${hasmsg})"
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}
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bigval=100000000
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fsdsopt="-d agcount=1,size=64m"
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force_crafted_metadata freeblks 0 "agf 0"
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force_crafted_metadata longest $bigval "agf 0"
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force_crafted_metadata length $bigval "agf 0"
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_scratch_mkfs_xfs_supported -m reflink=1 >> $seqres.full 2>&1 && \
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force_crafted_metadata refcntblocks $bigval "agf 0" "-m reflink=1"
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_scratch_mkfs_xfs_supported -m rmapbt=1 >> $seqres.full 2>&1 && \
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force_crafted_metadata rmapblocks $bigval "agf 0" "-m rmapbt=1"
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echo "Silence is golden"
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# success, all done
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status=0
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exit
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