File 620d9dd5-qemu-no-dac-override-nonroot.patch of Package libvirt.17937

commit 620d9dd598fde388f56ac37bcd3b31168c2f9fc6
Author: Peter Krempa <pkrempa@redhat.com>
Date:   Mon Feb 4 16:24:15 2019 +0100

    qemu: caps: Don't try to ask for CAP_DAC_OVERRIDE if non-root
    
    It will not work. This breaks qemu capabilities probing as a user.
    
    Signed-off-by: Peter Krempa <pkrempa@redhat.com>
    Reviewed-by: Erik Skultety <eskultet@redhat.com>

Index: libvirt-4.0.0/src/qemu/qemu_capabilities.c
===================================================================
--- libvirt-4.0.0.orig/src/qemu/qemu_capabilities.c
+++ libvirt-4.0.0/src/qemu/qemu_capabilities.c
@@ -5268,7 +5268,8 @@ virQEMUCapsInitQMPCommandRun(virQEMUCaps
 #if WITH_CAPNG
     /* QEMU might run into permission issues, e.g. /dev/sev (0600), override
      * them just for the purpose of probing */
-    virCommandAllowCap(cmd->cmd, CAP_DAC_OVERRIDE);
+    if (geteuid() == 0)
+        virCommandAllowCap(cmd->cmd, CAP_DAC_OVERRIDE);
 #endif
 
     virCommandSetGID(cmd->cmd, cmd->runGid);