Author: bapt
Date: Fri Dec 14 08:52:08 2012
New Revision: 244204
URL: http://svnweb.freebsd.org/changeset/base/244204
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/9/sys/kern/kern_prot.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/kern/kern_prot.c
==============================================================================
--- stable/9/sys/kern/kern_prot.c Fri Dec 14 08:07:37 2012
(r244203)
+++ stable/9/sys/kern/kern_prot.c Fri Dec 14 08:52:08 2012
(r244204)
@@ -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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