Date: Fri, 14 Dec 2012 08:54:53 +0000 (UTC) From: Baptiste Daroussin <bapt@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r244206 - stable/7/sys/kern Message-ID: <201212140854.qBE8srbu027383@svn.freebsd.org>
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Author: bapt Date: Fri Dec 14 08:54:52 2012 New Revision: 244206 URL: http://svnweb.freebsd.org/changeset/base/244206 Log: MFC r243021: return ERANGE if the buffer is too small to contain the login as documented in the manpage Reviewed by: cognet, kib Modified: stable/7/sys/kern/kern_prot.c Directory Properties: stable/7/sys/ (props changed) Modified: stable/7/sys/kern/kern_prot.c ============================================================================== --- stable/7/sys/kern/kern_prot.c Fri Dec 14 08:53:25 2012 (r244205) +++ stable/7/sys/kern/kern_prot.c Fri Dec 14 08:54:52 2012 (r244206) @@ -1937,6 +1937,8 @@ getlogin(struct thread *td, struct getlo bcopy(p->p_session->s_login, login, uap->namelen); SESS_UNLOCK(p->p_session); PROC_UNLOCK(p); + if (strlen(login) + 1 > uap->namelen) + return (ERANGE); error = copyout(login, uap->namebuf, uap->namelen); return (error); }
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