[PATCH] (#2) VirtualSystemManagementService: Fixing potential null dereferences

# HG changeset patch # User Eduardo Lima (Etrunko) <eblima@br.ibm.com> # Date 1312918075 10800 # Node ID a346baf140d64177a9dc1066677c307ee6518236 # Parent 90ba6e1f899ea3ec47bc175e86bd245983e9375f VirtualSystemManagementService: Fixing potential null dereferences As reported in https://bugzilla.redhat.com/show_bug.cgi?id=728245 line 1048 - Comparing "path" to null implies that "path" might be null. line 1057 - Dereferencing null variable "path". line 1088 - Comparing "port" to null implies that "port" might be null. line 1094 - Dereferencing null variable "port". Changes since #1 - Removed free calls, incorporated at revision 1130. - Avoid NULL dereference in parse_sdl_address as well. Signed-off-by: Eduardo Lima (Etrunko) <eblima@br.ibm.com> diff --git a/src/Virt_VirtualSystemManagementService.c b/src/Virt_VirtualSystemManagementService.c --- a/src/Virt_VirtualSystemManagementService.c +++ b/src/Virt_VirtualSystemManagementService.c @@ -1047,9 +1047,10 @@ ret = 1; - out: - CU_DEBUG("Exiting parse_console_address, ip is %s, port is %s", - *path, *port); + out: + if (path && port) + CU_DEBUG("Exiting parse_console_address, ip is %s, port is %s", + *path, *port); free(tmp_path); free(tmp_port); @@ -1097,8 +1098,9 @@ ret = 1; out: - CU_DEBUG("Exiting parse_sdl_address, display is %s, xauth is %s", - *display, *xauth); + if (display && xauth) + CU_DEBUG("Exiting parse_sdl_address, display is %s, xauth is %s", + *display, *xauth); free(tmp_display); free(tmp_xauth); @@ -1137,8 +1139,9 @@ ret = 1; out: - CU_DEBUG("Exiting parse_vnc_address, ip is %s, port is %s", - *ip, *port); + if (ip && port) + CU_DEBUG("Exiting parse_vnc_address, ip is %s, port is %s", + *ip, *port); free(tmp_ip); free(tmp_port);

Thanks. +1 and pushed. On 08/18/2011 03:12 PM, Eduardo Lima (Etrunko) wrote:
# HG changeset patch # User Eduardo Lima (Etrunko)<eblima@br.ibm.com> # Date 1312918075 10800 # Node ID a346baf140d64177a9dc1066677c307ee6518236 # Parent 90ba6e1f899ea3ec47bc175e86bd245983e9375f VirtualSystemManagementService: Fixing potential null dereferences
As reported inhttps://bugzilla.redhat.com/show_bug.cgi?id=728245
line 1048 - Comparing "path" to null implies that "path" might be null. line 1057 - Dereferencing null variable "path". line 1088 - Comparing "port" to null implies that "port" might be null. line 1094 - Dereferencing null variable "port".
Changes since #1 - Removed free calls, incorporated at revision 1130. - Avoid NULL dereference in parse_sdl_address as well.
Signed-off-by: Eduardo Lima (Etrunko)<eblima@br.ibm.com>
diff --git a/src/Virt_VirtualSystemManagementService.c b/src/Virt_VirtualSystemManagementService.c --- a/src/Virt_VirtualSystemManagementService.c +++ b/src/Virt_VirtualSystemManagementService.c @@ -1047,9 +1047,10 @@
ret = 1;
- out: - CU_DEBUG("Exiting parse_console_address, ip is %s, port is %s", - *path, *port); + out: + if (path&& port) + CU_DEBUG("Exiting parse_console_address, ip is %s, port is %s", + *path, *port);
free(tmp_path); free(tmp_port); @@ -1097,8 +1098,9 @@ ret = 1;
out: - CU_DEBUG("Exiting parse_sdl_address, display is %s, xauth is %s", - *display, *xauth); + if (display&& xauth) + CU_DEBUG("Exiting parse_sdl_address, display is %s, xauth is %s", + *display, *xauth);
free(tmp_display); free(tmp_xauth); @@ -1137,8 +1139,9 @@ ret = 1;
out: - CU_DEBUG("Exiting parse_vnc_address, ip is %s, port is %s", - *ip, *port); + if (ip&& port) + CU_DEBUG("Exiting parse_vnc_address, ip is %s, port is %s", + *ip, *port);
free(tmp_ip); free(tmp_port);
_______________________________________________ Libvirt-cim mailing list Libvirt-cim@redhat.com https://www.redhat.com/mailman/listinfo/libvirt-cim
-- Chip Vincent Open Virtualization IBM Linux Technology Center cvincent@linux.vnet.ibm.com
participants (2)
-
Chip Vincent
-
Eduardo Lima (Etrunko)