Author: jhb
Date: Thu Jan 8 19:11:14 2015
New Revision: 276850
URL: https://svnweb.freebsd.org/changeset/base/276850
Log:
Reject attempts to read the cpuset mask of a negative domain ID.
Modified:
head/sys/kern/kern_cpuset.c
Modified: head/sys/kern/kern_cpuset.c
==============================================================================
--- head/sys/kern/kern_cpuset.c Thu Jan 8 18:53:11 2015 (r276849)
+++ head/sys/kern/kern_cpuset.c Thu Jan 8 19:11:14 2015 (r276850)
@@ -1118,7 +1118,7 @@ sys_cpuset_getaffinity(struct thread *td
error = intr_getaffinity(uap->id, mask);
break;
case CPU_WHICH_DOMAIN:
- if (uap->id >= vm_ndomains)
+ if (uap->id < 0 || uap->id >= vm_ndomains)
error = ESRCH;
else
CPU_COPY(&cpuset_domain[uap->id], mask);
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