libvirt/libvirt-qemuProcessStop-Use-XATTRs-to-restore-seclabels-on-d.patch

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From 63846560cf12789ff592374dfc6211d83e693e9d Mon Sep 17 00:00:00 2001
From: Michal Privoznik <mprivozn@redhat.com>
Date: Mon, 18 May 2020 15:07:46 +0200
Subject: [PATCH] qemuProcessStop: Use XATTRs to restore seclabels on disks a
domain is mirroring into
In v5.10.0-rc1~42 (which was later fixed in v6.0.0-rc1~487) I am
removing XATTRs for a file that QEMU is mirroring a disk into but
it is killed meanwhile. Well, we can call
qemuSecurityRestoreImageLabel() which will not only remove XATTRs
but also use them to restore the original owner of the file.
This would be done by blockjob code when the job finishes, but in
this case the job won't finish - QEMU is killed meanwhile
cherry-pick from commit: 0230e3838402624756d6cd913b7d92639fafc7d0
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Jin Yan <jinyan12@huawei.com>
---
src/qemu/qemu_process.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 6fbe0c1..9285ace 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -7603,8 +7603,10 @@ void qemuProcessStop(virQEMUDriverPtr driver,
for (i = 0; i < def->ndisks; i++) {
virDomainDiskDefPtr disk = def->disks[i];
- if (disk->mirror)
- qemuBlockRemoveImageMetadata(driver, vm, disk->dst, disk->mirror);
+ if (disk->mirror) {
+ if (qemuSecurityRestoreImageLabel(driver, vm, disk->mirror, false) < 0)
+ VIR_WARN("Unable to restore security label on %s", disk->dst);
+ }
qemuBlockRemoveImageMetadata(driver, vm, disk->dst, disk->src);
}
--
1.8.3.1