Date: Tue, 14 Sep 2004 19:46:34 GMT From: Brian Moore <mooreb@silverspringnet.com> To: freebsd-gnats-submit@FreeBSD.org Subject: bin/71743: off-by-one error in mkdir Message-ID: <200409141946.i8EJkYqI071118@www.freebsd.org> Resent-Message-ID: <200409141950.i8EJoLqK095068@freefall.freebsd.org>
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>Number: 71743
>Category: bin
>Synopsis: off-by-one error in mkdir
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Sep 14 19:50:20 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: Brian Moore
>Release: 4.9
>Organization:
Silver Spring Networks
>Environment:
FreeBSD blackcomb.silverspringnet.com 4.9-RELEASE FreeBSD 4.9-RELEASE #0: Mon Oct 27 17:51:09 GMT 2003 root@freebsd-stable.sentex.ca:/usr/obj/usr/src/sys/GENERIC i386
>Description:
mkdir experiences a uninitialized memory read when building a directory
that does not end in a slash.
>How-To-Repeat:
with purify, pass mkdir a path that does not end in a slash.
you will see a UMR.
>Fix:
the following patch is to src/bin/mkdir/mkdir.c:
< if ('\0' == p[1]) {
---
> if (last || ('\0' == p[1])) {
>Release-Note:
>Audit-Trail:
>Unformatted:
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