mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Qu Wenruo
a297366f56
Test if canceled balance could lead to root leakage. If the kernel has CONFIG_BTRFS_DEBUG compiled, unmount time root leakge check would detect it, and cause NULL pointer dereference as the pages of the leaked root are already freed. The fix is titled "btrfs: relocation: Fix reloc root leakage and the NULL pointer reference caused by the leakage". Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
86 lines
1.6 KiB
Bash
Executable File
86 lines
1.6 KiB
Bash
Executable File
#! /bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
# Copyright (C) 2020 SUSE Linux Products GmbH. All Rights Reserved.
|
|
#
|
|
# FS QA Test 212
|
|
#
|
|
# Test if unmounting a fs with balance canceled can lead to crash.
|
|
# This needs CONFIG_BTRFS_DEBUG compiled, which adds extra unmount time self-test
|
|
#
|
|
seq=`basename $0`
|
|
seqres=$RESULT_DIR/$seq
|
|
echo "QA output created by $seq"
|
|
|
|
here=`pwd`
|
|
tmp=/tmp/$$
|
|
status=1 # failure is the default!
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
_cleanup()
|
|
{
|
|
cd /
|
|
rm -f $tmp.*
|
|
kill $balance_pid &> /dev/null
|
|
kill $cancel_pid &> /dev/null
|
|
"$KILLALL_PROG" -q $FSSTRESS_PROG &> /dev/null
|
|
$BTRFS_UTIL_PROG balance cancel $SCRATCH_MNT &> /dev/null
|
|
wait
|
|
}
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common/rc
|
|
. ./common/filter
|
|
|
|
# remove previous $seqres.full before test
|
|
rm -f $seqres.full
|
|
|
|
# real QA test starts here
|
|
|
|
# Modify as appropriate.
|
|
_supported_fs btrfs
|
|
_supported_os Linux
|
|
_require_scratch
|
|
_require_command "$KILLALL_PROG" killall
|
|
|
|
_scratch_mkfs >> $seqres.full
|
|
_scratch_mount
|
|
|
|
runtime=15
|
|
|
|
balance_workload()
|
|
{
|
|
trap "wait; exit" SIGTERM
|
|
while true; do
|
|
_run_btrfs_balance_start &> /dev/null
|
|
done
|
|
}
|
|
|
|
cancel_workload()
|
|
{
|
|
trap "wait; exit" SIGTERM
|
|
while true; do
|
|
$BTRFS_UTIL_PROG balance cancel $SCRATCH_MNT &> /dev/null
|
|
sleep 2
|
|
done
|
|
}
|
|
|
|
$FSSTRESS_PROG -d $SCRATCH_MNT -w -n 100000 >> $seqres.full 2>/dev/null &
|
|
balance_workload &
|
|
balance_pid=$!
|
|
|
|
cancel_workload &
|
|
cancel_pid=$!
|
|
|
|
sleep $runtime
|
|
|
|
kill $balance_pid
|
|
kill $cancel_pid
|
|
"$KILLALL_PROG" -q $FSSTRESS_PROG &> /dev/null
|
|
$BTRFS_UTIL_PROG balance cancel $SCRATCH_MNT &> /dev/null
|
|
wait
|
|
|
|
echo "Silence is golden"
|
|
# success, all done
|
|
status=0
|
|
exit
|