Date: Fri, 9 Mar 2018 00:50:40 +0000 (UTC) From: Brooks Davis <brooks@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r330676 - head/sys/kern Message-ID: <201803090050.w290oebi098444@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
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);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201803090050.w290oebi098444>