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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