From c9de7a1c3bca9f0732205f2c2b84526781dbf5e5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Thu, 7 Mar 2024 13:36:45 +0100
Subject: [PATCH] qemu: virtiofs: error out if getting the group or user name
 fails
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
---
 src/qemu/qemu_virtiofs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/qemu/qemu_virtiofs.c b/src/qemu/qemu_virtiofs.c
index d80cddd3ba9..78897d81778 100644
--- a/src/qemu/qemu_virtiofs.c
+++ b/src/qemu/qemu_virtiofs.c
@@ -388,6 +388,9 @@ qemuVirtioFSPrepareIdMap(virDomainFSDef *fs)
     username = virGetUserName(euid);
     groupname = virGetGroupName(egid);
 
+    if (!username || !groupname)
+        return -1;
+
     fs->idmap.uidmap = g_new0(virDomainIdMapEntry, 2);
     fs->idmap.gidmap = g_new0(virDomainIdMapEntry, 2);