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);
}
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
