Blame SOURCES/kvm-qemu-iotest-add-test-for-blockjob-coroutine-race-con.patch

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From 1d27a8067135c09ecbb2aa7e4af6184aba67e86c Mon Sep 17 00:00:00 2001
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From: Miroslav Rezanina <mrezanin@redhat.com>
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Date: Mon, 11 Dec 2017 09:06:23 +0100
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Subject: [PATCH 06/21] qemu-iotest: add test for blockjob coroutine race
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 condition
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RH-Author: Jeffrey Cody <jcody@redhat.com>
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Message-id: <bb398a83a095183453bbf2cab4656dd60dfd4637.1511985875.git.jcody@redhat.com>
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Patchwork-id: 78042
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O-Subject: [RHV7.5 qemu-kvm-rhev PATCH 06/11] qemu-iotest: add test for blockjob coroutine race condition
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Bugzilla: 1506531
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit d975301dc8ae56fb3154348878e47a6211843c0b)
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 tests/qemu-iotests/200     | 99 ++++++++++++++++++++++++++++++++++++++++++++++
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 tests/qemu-iotests/200.out | 14 +++++++
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 tests/qemu-iotests/group   |  1 +
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 3 files changed, 114 insertions(+)
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 create mode 100644 tests/qemu-iotests/200
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 create mode 100644 tests/qemu-iotests/200.out
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diff --git a/tests/qemu-iotests/200 b/tests/qemu-iotests/200
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new file mode 100644
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index 0000000..d8787dd
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--- /dev/null
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+++ b/tests/qemu-iotests/200
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@@ -0,0 +1,99 @@
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+#!/bin/bash
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+#
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+# Block job co-routine race condition test.
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+#
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+# See: https://bugzilla.redhat.com/show_bug.cgi?id=1508708
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+#
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+# Copyright (C) 2017 Red Hat, Inc.
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+#
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
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+#
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+
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+# creator
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+owner=jcody@redhat.com
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+
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+seq=`basename $0`
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+echo "QA output created by $seq"
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+
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+here=`pwd`
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+status=1    # failure is the default!
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+
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+_cleanup()
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+{
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+    _cleanup_qemu
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+    rm -f "${TEST_IMG}" "${BACKING_IMG}"
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+}
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+trap "_cleanup; exit \$status" 0 1 2 3 15
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+
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+# get standard environment, filters and checks
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+. ./common.rc
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+. ./common.filter
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+. ./common.qemu
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+
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+_supported_fmt qcow2 qed
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+_supported_proto file
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+_supported_os Linux
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+
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+BACKING_IMG="${TEST_DIR}/backing.img"
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+TEST_IMG="${TEST_DIR}/test.img"
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+
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+${QEMU_IMG} create -f $IMGFMT "${BACKING_IMG}" 512M | _filter_img_create
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+${QEMU_IMG} create -f $IMGFMT -F $IMGFMT "${TEST_IMG}" -b "${BACKING_IMG}" 512M | _filter_img_create
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+
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+${QEMU_IO} -c "write -P 0xa5 512 300M" "${BACKING_IMG}" | _filter_qemu_io
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+
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+echo
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+echo === Starting QEMU VM ===
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+echo
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+qemu_comm_method="qmp"
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+_launch_qemu -device pci-bridge,id=bridge1,chassis_nr=1,bus=pci.0 \
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+             -object iothread,id=iothread0 \
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+             -device virtio-scsi-pci,bus=bridge1,addr=0x1f,id=scsi0,iothread=iothread0 \
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+             -drive file="${TEST_IMG}",media=disk,if=none,cache=none,id=drive_sysdisk,aio=native,format=$IMGFMT \
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+             -device scsi-hd,drive=drive_sysdisk,bus=scsi0.0,id=sysdisk,bootindex=0
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+h1=$QEMU_HANDLE
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+
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+_send_qemu_cmd $h1 "{ 'execute': 'qmp_capabilities' }" 'return'
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+
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+echo
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+echo === Sending stream/cancel, checking for SIGSEGV only  ===
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+echo
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+for (( i=1;i<500;i++ ))
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+do
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+    mismatch_only='y' qemu_error_no_exit='n' _send_qemu_cmd $h1 \
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+                       "{
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+                            'execute': 'block-stream',
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+                            'arguments': {
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+                                'device': 'drive_sysdisk',
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+                                'speed': 10000000,
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+                                'on-error': 'report',
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+                                'job-id': 'job-$i'
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+                             }
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+                        }
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+                        {
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+                            'execute': 'block-job-cancel',
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+                            'arguments': {
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+                                'device': 'job-$i'
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+                             }
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+                        }" \
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+                       "{.*{.*}.*}"  # should match all well-formed QMP responses
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+done
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+
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+silent='y' _send_qemu_cmd $h1  "{ 'execute': 'quit' }" 'return'
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+
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+echo "$i iterations performed"
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+
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+echo "*** done"
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+rm -f $seq.full
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+status=0
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diff --git a/tests/qemu-iotests/200.out b/tests/qemu-iotests/200.out
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new file mode 100644
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index 0000000..af6a809
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--- /dev/null
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+++ b/tests/qemu-iotests/200.out
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@@ -0,0 +1,14 @@
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+QA output created by 200
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+Formatting 'TEST_DIR/backing.img', fmt=IMGFMT size=536870912
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+Formatting 'TEST_DIR/test.img', fmt=IMGFMT size=536870912 backing_file=TEST_DIR/backing.img backing_fmt=IMGFMT
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+wrote 314572800/314572800 bytes at offset 512
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+300 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+
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+=== Starting QEMU VM ===
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+
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+{"return": {}}
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+
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+=== Sending stream/cancel, checking for SIGSEGV only ===
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+
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+500 iterations performed
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+*** done
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diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
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index 491a5f5..39b61ce 100644
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--- a/tests/qemu-iotests/group
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+++ b/tests/qemu-iotests/group
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@@ -190,3 +190,4 @@
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 194 rw auto migration quick
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 195 rw auto quick
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 198 rw auto
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+200 rw auto
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-- 
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1.8.3.1
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