kata-runtime:add timeout for all qmp commands

reason:If qemu process is blocked for some reasons, qmp command call
will block without return, which causes kata command blocked.
So we add timeout for all qmp commands.

Signed-off-by: Vanient <xiadanni1@huawei.com>
(cherry picked from commit 6cd19b02356a600d022814f5eeee96b599b6c1c8)

kata-containers.spec

@@ -2,7 +2,7 @@
 %global debug_package %{nil}
 
 %define VERSION 1.11.1
-%define RELEASE 24
+%define RELEASE 25
 
 Name:           kata-containers
 Version:        %{VERSION}
@@ -98,6 +98,12 @@ install -p -m 640 -D ./runtime/cli/config/configuration-qemu.toml %{buildroot}/u
 %doc
 
 %changelog
+* Thu Nov 17 2022 Vanient<xiadanni1@huawei.com> - 1.11.1-25
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:add timeout for all qmp commands
+
 * Mon Sep 12 2022 Vanient<xiadanni1@huawei.com> - 1.11.1-24
 - Type:bugfix
 - CVE:NA

runtime/patches/0097-kata-runtime-add-timeout-for-all-qmp-commands.patch

@@ -0,0 +1,48 @@
+From d28dd8fd6f57a0d42b41f7d12adc248a9911093e Mon Sep 17 00:00:00 2001
+From: Vanient <xiadanni1@huawei.com>
+Date: Wed, 2 Nov 2022 16:32:12 +0800
+Subject: [PATCH] [Huawei]kata-runtime:add timeout for all qmp commands
+
+If qemu process is blocked for some reasons, qmp command call
+will block without return, which causes kata command blocked.
+So we add timeout for all qmp commands.
+
+Signed-off-by: Vanient <xiadanni1@huawei.com>
+---
+ vendor/github.com/intel/govmm/qemu/qmp.go | 11 +++++++++++
+ 1 file changed, 11 insertions(+)
+
+diff --git a/vendor/github.com/intel/govmm/qemu/qmp.go b/vendor/github.com/intel/govmm/qemu/qmp.go
+index 1d6d9c6..97aff4a 100644
+--- a/vendor/github.com/intel/govmm/qemu/qmp.go
++++ b/vendor/github.com/intel/govmm/qemu/qmp.go
+@@ -33,6 +33,8 @@ import (
+ 	"strings"
+ )
+ 
++const qmpCommandTimeout = 30 * time.Second
++
+ // QMPLog is a logging interface used by the qemu package to log various
+ // interesting pieces of information.  Rather than introduce a dependency
+ // on a given logging package, qemu presents this interface that allows
+@@ -625,8 +627,17 @@ func startQMPLoop(conn io.ReadWriteCloser, cfg QMPConfig,
+ 	return q
+ }
+ 
++func FixMissingTimeout(ctx context.Context) (context.Context, func()) {
++	if _, ok := ctx.Deadline(); ok {
++		return ctx, func() {}
++	}
++	return context.WithTimeout(ctx, qmpCommandTimeout)
++}
++
+ func (q *QMP) executeCommandWithResponse(ctx context.Context, name string, args map[string]interface{},
+ 	oob []byte, filter *qmpEventFilter) (interface{}, error) {
++	ctx, cancel := FixMissingTimeout(ctx)
++	defer cancel()
+ 	var err error
+ 	var response interface{}
+ 	resCh := make(chan qmpResult)
+-- 
+2.27.0
+

runtime/series.conf

@@ -94,3 +94,4 @@
 0094-kata-runtime-fix-update-iface-clean-NIC-cause-route-.patch
 0095-kata-runtime-fix-qemu-process-resource-resi.patch
 0096-kata-containers-Move-from-query-cpus-to-query-cpus-f.patch
+0097-kata-runtime-add-timeout-for-all-qmp-commands.patch