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rollback if docker restart when doing BlkDiscard

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Signed-off-by: WangFengTu <wangfengtu@huawei.com>
This commit is contained in:
WangFengTu 2021-04-01 15:16:04 +08:00
parent 41aa094cbe
commit 82696f6e38
3 changed files with 63 additions and 1 deletions
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8
docker.spec
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@ -1,6 +1,6 @@
Name: docker-engine
Version: 18.09.0
Release: 114
Release: 115
Summary: The open-source application container engine
Group: Tools/Docker
@ -211,6 +211,12 @@ fi
%endif
%changelog
* Thu Apr 01 2021 wangfengtu<wangfengtu@huawei.com> - 18.09.0-115
- Type:bugfix
- CVE:NA
- SUG:NA
- DESC:rollback if docker restart when doing BlkDiscard
* Thu Mar 18 2021 xiadanni<xiadanni1@huawei.com> - 18.09.0-114
- Type:bugfix
- CVE:CVE-2021-21284,CVE-2021-21285

55
patch/0191-rollback-if-docker-restart-when-doing-BlkDiscard.patch Normal file
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@ -0,0 +1,55 @@
From b7634618332c2d0ca7b59a4d63467c0038918ef0 Mon Sep 17 00:00:00 2001
From: WangFengTu <wangfengtu@huawei.com>
Date: Thu, 1 Apr 2021 15:03:20 +0800
Subject: [PATCH] rollback if docker restart when doing BlkDiscard
Signed-off-by: WangFengTu <wangfengtu@huawei.com>
---
.../daemon/graphdriver/devmapper/deviceset.go | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/components/engine/daemon/graphdriver/devmapper/deviceset.go b/components/engine/daemon/graphdriver/devmapper/deviceset.go
index 750f2b13..9b6cb021 100644
--- a/components/engine/daemon/graphdriver/devmapper/deviceset.go
+++ b/components/engine/daemon/graphdriver/devmapper/deviceset.go
@@ -2007,14 +2007,7 @@ func (devices *DeviceSet) markForDeferredDeletion(info *devInfo) error {
}
// Should be called with devices.Lock() held.
-func (devices *DeviceSet) deleteTransaction(info *devInfo, syncDelete bool) error {
- if err := devices.openTransaction(info.Hash, info.DeviceID); err != nil {
- logrus.WithField("storage-driver", "devicemapper").Debugf("Error opening transaction hash = %s deviceId = %d", "", info.DeviceID)
- return err
- }
-
- defer devices.closeTransaction()
-
+func (devices *DeviceSet) deleteDeviceNoLock(info *devInfo, syncDelete bool) error {
err := devicemapper.DeleteDevice(devices.getPoolDevName(), info.DeviceID)
if err != nil {
// If syncDelete is true, we want to return error. If deferred
@@ -2078,6 +2071,12 @@ func (devices *DeviceSet) issueDiscard(info *devInfo) error {
// Should be called with devices.Lock() held.
func (devices *DeviceSet) deleteDevice(info *devInfo, syncDelete bool) error {
+ if err := devices.openTransaction(info.Hash, info.DeviceID); err != nil {
+ logrus.WithField("storage-driver", "devicemapper").Debugf("Error opening transaction hash = %s deviceId = %d", "", info.DeviceID)
+ return err
+ }
+ defer devices.closeTransaction()
+
if devices.doBlkDiscard {
if err := devices.issueDiscard(info); err != nil {
return err
@@ -2099,7 +2098,7 @@ func (devices *DeviceSet) deleteDevice(info *devInfo, syncDelete bool) error {
return err
}
- return devices.deleteTransaction(info, syncDelete)
+ return devices.deleteDeviceNoLock(info, syncDelete)
}
// DeleteDevice will return success if device has been marked for deferred
--
2.25.1

1
series.conf
View File

@ -188,4 +188,5 @@ patch/0186-docker-fix-execCommands-leak-in-health-check.patch
patch/0188-docker-check-containerd-pid-before-kill-it.patch
patch/0189-docker-fix-Access-to-remapped-root-allows-privilege-.patch
patch/0190-docker-fix-CVE-2021-21285.patch
patch/0191-rollback-if-docker-restart-when-doing-BlkDiscard.patch
#end