WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-changelog

[Xen-changelog] [xen-unstable] xl: free the libxl types contained in str

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] [xen-unstable] xl: free the libxl types contained in struct domain_config
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 26 Aug 2010 03:30:42 -0700
Delivery-date: Thu, 26 Aug 2010 03:33:16 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id: BK change log <xen-changelog.lists.xensource.com>
List-post: <mailto:xen-changelog@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to: xen-devel@xxxxxxxxxxxxxxxxxxx
Sender: xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx
# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1282228197 -3600
# Node ID f7d818754afb58ef4140982a122a53d2d488f0e6
# Parent  ed717f785082d355e6362ed6ab645a0f47016f6d
xl: free the libxl types contained in struct domain_config

Resolves the following leaks found using "valgrind xl create -n ..."
(plus presumably others which didn't trigger because I have no devices
of that type)

[PATCH 10 of 16 of
 libxl: autogenerate type definitions and destructor functions]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

==21241== 5 bytes in 1 blocks are definitely lost in loss record 1 of 6
==21241==    at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241==    by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241==    by 0x804E56B: parse_config_data (xl_cmdimpl.c:760)
==21241==    by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241==    by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241==    by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 6 bytes in 1 blocks are definitely lost in loss record 2 of 6
==21241==    at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241==    by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241==    by 0x804DAAA: parse_config_data (xl_cmdimpl.c:586)
==21241==    by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241==    by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241==    by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 24 bytes in 1 blocks are definitely lost in loss record 3 of 6
==21241==    at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241==    by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241==    by 0x804E51F: parse_config_data (xl_cmdimpl.c:754)
==21241==    by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241==    by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241==    by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 27 bytes in 1 blocks are definitely lost in loss record 4 of 6
==21241==    at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241==    by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241==    by 0x804DF4A: parse_config_data (xl_cmdimpl.c:664)
==21241==    by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241==    by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241==    by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 28 bytes in 1 blocks are definitely lost in loss record 5 of 6
==21241==    at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241==    by 0x410C1A7: vasprintf (in /lib/i686/cmov/libc-2.7.so)
==21241==    by 0x40EE59A: asprintf (in /lib/i686/cmov/libc-2.7.so)
==21241==    by 0x804CA8B: init_nic_info (xl_cmdimpl.c:322)
==21241==    by 0x804E6FF: parse_config_data (xl_cmdimpl.c:791)
==21241==    by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241==    by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241==    by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 44 bytes in 1 blocks are definitely lost in loss record 6 of 6
==21241==    at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241==    by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241==    by 0x804E168: parse_config_data (xl_cmdimpl.c:694)
==21241==    by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241==    by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241==    by 0x804B2FB: main (xl.c:76)
---
 tools/libxl/xl_cmdimpl.c |   28 ++++++++++++++++++++++++++--
 1 files changed, 26 insertions(+), 2 deletions(-)

diff -r ed717f785082 -r f7d818754afb tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c  Thu Aug 19 15:25:15 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c  Thu Aug 19 15:29:57 2010 +0100
@@ -144,12 +144,34 @@ struct domain_config {
 
 static void free_domain_config(struct domain_config *d_config)
 {
+    int i;
+
+    for (i=0; i<d_config->num_disks; i++)
+        libxl_device_disk_destroy(&d_config->disks[i]);
     free(d_config->disks);
+
+    for (i=0; i<d_config->num_vifs; i++)
+        libxl_device_nic_destroy(&d_config->vifs[i]);
     free(d_config->vifs);
+
+    for (i=0; i<d_config->num_vif2s; i++)
+        libxl_device_net2_destroy(&d_config->vif2s[i]);
     free(d_config->vif2s);
+
+    for (i=0; i<d_config->num_pcidevs; i++)
+        libxl_device_pci_destroy(&d_config->pcidevs[i]);
     free(d_config->pcidevs);
+
+    for (i=0; i<d_config->num_vfbs; i++)
+        libxl_device_vfb_destroy(&d_config->vfbs[i]);
     free(d_config->vfbs);
+
+    for (i=0; i<d_config->num_vkbs; i++)
+        libxl_device_vkb_destroy(&d_config->vkbs[i]);
     free(d_config->vkbs);
+
+    libxl_domain_create_info_destroy(&d_config->c_info);
+    libxl_domain_build_info_destroy(&d_config->b_info);
 }
 
 /* Optional data, in order:
@@ -309,7 +331,7 @@ static void init_nic_info(libxl_device_n
     nic_info->domid = 0;
     nic_info->devid = devnum;
     nic_info->mtu = 1492;
-    nic_info->model = "e1000";
+    nic_info->model = strdup("e1000");
     nic_info->mac[0] = 0x00;
     nic_info->mac[1] = 0x16;
     nic_info->mac[2] = 0x3e;
@@ -317,7 +339,7 @@ static void init_nic_info(libxl_device_n
     nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
     nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
     nic_info->ifname = NULL;
-    nic_info->bridge = "xenbr0";
+    nic_info->bridge = strdup("xenbr0");
     CHK_ERRNO( asprintf(&nic_info->script, "%s/vif-bridge",
                libxl_xen_script_dir_path()) );
     nic_info->nictype = NICTYPE_IOEMU;
@@ -796,6 +818,7 @@ static void parse_config_data(const char
                     break;
                 *p2 = '\0';
                 if (!strcmp(p, "model")) {
+                    free(nic->model);
                     nic->model = strdup(p2 + 1);
                 } else if (!strcmp(p, "mac")) {
                     char *p3 = p2 + 1;
@@ -817,6 +840,7 @@ static void parse_config_data(const char
                     *(p3 + 2) = '\0';
                     nic->mac[5] = strtol(p3, NULL, 16);
                 } else if (!strcmp(p, "bridge")) {
+                    free(nic->bridge);
                     nic->bridge = strdup(p2 + 1);
                 } else if (!strcmp(p, "type")) {
                     if (!strcmp(p2 + 1, "ioemu"))

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-changelog] [xen-unstable] xl: free the libxl types contained in struct domain_config, Xen patchbot-unstable <=