From 1d27a8067135c09ecbb2aa7e4af6184aba67e86c Mon Sep 17 00:00:00 2001 From: Miroslav Rezanina Date: Mon, 11 Dec 2017 09:06:23 +0100 Subject: [PATCH 06/21] qemu-iotest: add test for blockjob coroutine race condition RH-Author: Jeffrey Cody Message-id: Patchwork-id: 78042 O-Subject: [RHV7.5 qemu-kvm-rhev PATCH 06/11] qemu-iotest: add test for blockjob coroutine race condition Bugzilla: 1506531 RH-Acked-by: Paolo Bonzini RH-Acked-by: Stefan Hajnoczi RH-Acked-by: John Snow Signed-off-by: Jeff Cody Reviewed-by: Stefan Hajnoczi (cherry picked from commit d975301dc8ae56fb3154348878e47a6211843c0b) Signed-off-by: Jeff Cody Signed-off-by: Miroslav Rezanina --- tests/qemu-iotests/200 | 99 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/200.out | 14 +++++++ tests/qemu-iotests/group | 1 + 3 files changed, 114 insertions(+) create mode 100644 tests/qemu-iotests/200 create mode 100644 tests/qemu-iotests/200.out diff --git a/tests/qemu-iotests/200 b/tests/qemu-iotests/200 new file mode 100644 index 0000000..d8787dd --- /dev/null +++ b/tests/qemu-iotests/200 @@ -0,0 +1,99 @@ +#!/bin/bash +# +# Block job co-routine race condition test. +# +# See: https://bugzilla.redhat.com/show_bug.cgi?id=1508708 +# +# Copyright (C) 2017 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# + +# creator +owner=jcody@redhat.com + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_qemu + rm -f "${TEST_IMG}" "${BACKING_IMG}" +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter +. ./common.qemu + +_supported_fmt qcow2 qed +_supported_proto file +_supported_os Linux + +BACKING_IMG="${TEST_DIR}/backing.img" +TEST_IMG="${TEST_DIR}/test.img" + +${QEMU_IMG} create -f $IMGFMT "${BACKING_IMG}" 512M | _filter_img_create +${QEMU_IMG} create -f $IMGFMT -F $IMGFMT "${TEST_IMG}" -b "${BACKING_IMG}" 512M | _filter_img_create + +${QEMU_IO} -c "write -P 0xa5 512 300M" "${BACKING_IMG}" | _filter_qemu_io + +echo +echo === Starting QEMU VM === +echo +qemu_comm_method="qmp" +_launch_qemu -device pci-bridge,id=bridge1,chassis_nr=1,bus=pci.0 \ + -object iothread,id=iothread0 \ + -device virtio-scsi-pci,bus=bridge1,addr=0x1f,id=scsi0,iothread=iothread0 \ + -drive file="${TEST_IMG}",media=disk,if=none,cache=none,id=drive_sysdisk,aio=native,format=$IMGFMT \ + -device scsi-hd,drive=drive_sysdisk,bus=scsi0.0,id=sysdisk,bootindex=0 +h1=$QEMU_HANDLE + +_send_qemu_cmd $h1 "{ 'execute': 'qmp_capabilities' }" 'return' + +echo +echo === Sending stream/cancel, checking for SIGSEGV only === +echo +for (( i=1;i<500;i++ )) +do + mismatch_only='y' qemu_error_no_exit='n' _send_qemu_cmd $h1 \ + "{ + 'execute': 'block-stream', + 'arguments': { + 'device': 'drive_sysdisk', + 'speed': 10000000, + 'on-error': 'report', + 'job-id': 'job-$i' + } + } + { + 'execute': 'block-job-cancel', + 'arguments': { + 'device': 'job-$i' + } + }" \ + "{.*{.*}.*}" # should match all well-formed QMP responses +done + +silent='y' _send_qemu_cmd $h1 "{ 'execute': 'quit' }" 'return' + +echo "$i iterations performed" + +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/200.out b/tests/qemu-iotests/200.out new file mode 100644 index 0000000..af6a809 --- /dev/null +++ b/tests/qemu-iotests/200.out @@ -0,0 +1,14 @@ +QA output created by 200 +Formatting 'TEST_DIR/backing.img', fmt=IMGFMT size=536870912 +Formatting 'TEST_DIR/test.img', fmt=IMGFMT size=536870912 backing_file=TEST_DIR/backing.img backing_fmt=IMGFMT +wrote 314572800/314572800 bytes at offset 512 +300 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +=== Starting QEMU VM === + +{"return": {}} + +=== Sending stream/cancel, checking for SIGSEGV only === + +500 iterations performed +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 491a5f5..39b61ce 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -190,3 +190,4 @@ 194 rw auto migration quick 195 rw auto quick 198 rw auto +200 rw auto -- 1.8.3.1