Displaying 1 result from an estimated 1 matches for "local_cpu_hotplug_request".
2013 Jan 15
0
[PATCH] linux-2.6.18: properly bound buffer access when parsing cpu/*/availability
At the same time reduce the local buffers to 16 bytes each.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/drivers/xen/core/cpu_hotplug.c
+++ b/drivers/xen/core/cpu_hotplug.c
@@ -28,13 +28,13 @@ static int local_cpu_hotplug_request(voi
static void vcpu_hotplug(unsigned int cpu, struct sys_device *dev)
{
int err;
- char dir[32], state[32];
+ char dir[16], state[16];
if ((cpu >= NR_CPUS) || !cpu_possible(cpu))
return;
sprintf(dir, "cpu/%u", cpu);
- err = xenbus_scanf(XBT_NIL, dir, "availability&...