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Reject attempts to read the cpuset mask of a negative domain ID.

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This commit is contained in:
John Baldwin 2015-01-08 19:11:14 +00:00
parent e275993995
commit bbf686ed60
1 changed files with 1 additions and 1 deletions
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2
sys/kern/kern_cpuset.c
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@ -1118,7 +1118,7 @@ sys_cpuset_getaffinity(struct thread *td, struct cpuset_getaffinity_args *uap)
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);