[libvirt] [PATCH] apparmor: Fix use of uninitialized random_data

Jiri Denemark jdenemar at redhat.com
Fri Jan 27 10:19:26 UTC 2012


Without this, virt-aa-helper would segfault in -c or -r commands.
---
 src/security/virt-aa-helper.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
index 4561bb9..b484a20 100644
--- a/src/security/virt-aa-helper.c
+++ b/src/security/virt-aa-helper.c
@@ -42,6 +42,7 @@
 #include "pci.h"
 #include "virfile.h"
 #include "configmake.h"
+#include "virrandom.h"
 
 #define VIR_FROM_THIS VIR_FROM_SECURITY
 
@@ -1182,6 +1183,9 @@ main(int argc, char **argv)
 
     memset(ctl, 0, sizeof(vahControl));
 
+    if (virRandomInitialize(time(NULL) ^ getpid()) < 0)
+        vah_error(ctl, 1, _("could not initialize random generator"));
+
     if (vahParseArgv(ctl, argc, argv) != 0)
         vah_error(ctl, 1, _("could not parse arguments"));
 
-- 
1.7.8.4




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