svn commit: r330676 - head/sys/kern
Brooks Davis
brooks at FreeBSD.org
Fri Mar 9 00:50:41 UTC 2018
Author: brooks
Date: Fri Mar 9 00:50:40 2018
New Revision: 330676
URL: https://svnweb.freebsd.org/changeset/base/330676
Log:
Copyout a whole int to cpuset_domain's policy pointer.
The previous code only copied 16-bits and corrupted the target int.
Reviewed by: kib, markj
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D14611
Modified:
head/sys/kern/kern_cpuset.c
Modified: head/sys/kern/kern_cpuset.c
==============================================================================
--- head/sys/kern/kern_cpuset.c Fri Mar 9 00:08:43 2018 (r330675)
+++ head/sys/kern/kern_cpuset.c Fri Mar 9 00:50:40 2018 (r330676)
@@ -1972,8 +1972,8 @@ kern_cpuset_getdomain(struct thread *td, cpulevel_t le
if (error == 0)
error = copyout(mask, maskp, domainsetsize);
if (error == 0)
- error = copyout(&outset.ds_policy, policyp,
- sizeof(outset.ds_policy));
+ if (suword32(policyp, outset.ds_policy) != 0)
+ error = EFAULT;
out:
free(mask, M_TEMP);
return (error);
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