Date: Wed, 14 Nov 2012 10:32:12 +0000 (UTC) From: Baptiste Daroussin <bapt@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r243021 - head/sys/kern Message-ID: <201211141032.qAEAWCk7052981@svn.freebsd.org>
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Author: bapt Date: Wed Nov 14 10:32:12 2012 New Revision: 243021 URL: http://svnweb.freebsd.org/changeset/base/243021 Log: return ERANGE if the buffer is too small to contain the login as documented in the manpage Reviewed by: cognet, kib MFC after: 1 month Modified: head/sys/kern/kern_prot.c Modified: head/sys/kern/kern_prot.c ============================================================================== --- head/sys/kern/kern_prot.c Wed Nov 14 10:06:50 2012 (r243020) +++ head/sys/kern/kern_prot.c Wed Nov 14 10:32:12 2012 (r243021) @@ -2084,6 +2084,8 @@ sys_getlogin(struct thread *td, struct g 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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