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From: Dan Carpenter <error27@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Abhishek Kulkarni <adkulkar@umail.iu.edu>,
	Venkateswararao Jujjuri <jvrao@us.ibm.com>,
	linux-kernel@vger.kernel.org,
	Tilman Sauerbeck <tilman@code-monkey.de>,
	netdev@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] 9p: strlen() doesn't count the terminator
Date: Mon, 12 Jul 2010 21:51:01 +0000	[thread overview]
Message-ID: <20100712215101.GG5658@bicker> (raw)
In-Reply-To: <20100712130458.bb8ae751.akpm@linux-foundation.org>

On Mon, Jul 12, 2010 at 01:04:58PM -0700, Andrew Morton wrote:
> > diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
> > index 98ce9bc..c85109d 100644
> > --- a/net/9p/trans_fd.c
> > +++ b/net/9p/trans_fd.c
> > @@ -948,7 +948,7 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
> >  
> >  	csocket = NULL;
> >  
> > -	if (strlen(addr) > UNIX_PATH_MAX) {
> > +	if (strlen(addr) >= UNIX_PATH_MAX) {
> >  		P9_EPRINTK(KERN_ERR, "p9_trans_unix: address too long: %s\n",
> >  			addr);
> >  		return -ENAMETOOLONG;
> 
> This bug doesn't strike me as serious enough to warrant backporting the fix
> into -stable.  What was your thinking there?

I don't feel strongly about it.  It's safe enough and it applies
cleanly.  On the other hand, root should always control the name of the
device to mount so it's not a big deal.

regards,
dan carpenter

WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <error27@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Abhishek Kulkarni <adkulkar@umail.iu.edu>,
	Venkateswararao Jujjuri <jvrao@us.ibm.com>,
	linux-kernel@vger.kernel.org,
	Tilman Sauerbeck <tilman@code-monkey.de>,
	netdev@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] 9p: strlen() doesn't count the terminator
Date: Mon, 12 Jul 2010 23:51:01 +0200	[thread overview]
Message-ID: <20100712215101.GG5658@bicker> (raw)
In-Reply-To: <20100712130458.bb8ae751.akpm@linux-foundation.org>

On Mon, Jul 12, 2010 at 01:04:58PM -0700, Andrew Morton wrote:
> > diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
> > index 98ce9bc..c85109d 100644
> > --- a/net/9p/trans_fd.c
> > +++ b/net/9p/trans_fd.c
> > @@ -948,7 +948,7 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
> >  
> >  	csocket = NULL;
> >  
> > -	if (strlen(addr) > UNIX_PATH_MAX) {
> > +	if (strlen(addr) >= UNIX_PATH_MAX) {
> >  		P9_EPRINTK(KERN_ERR, "p9_trans_unix: address too long: %s\n",
> >  			addr);
> >  		return -ENAMETOOLONG;
> 
> This bug doesn't strike me as serious enough to warrant backporting the fix
> into -stable.  What was your thinking there?

I don't feel strongly about it.  It's safe enough and it applies
cleanly.  On the other hand, root should always control the name of the
device to mount so it's not a big deal.

regards,
dan carpenter

  reply	other threads:[~2010-07-12 21:51 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-10  9:51 [patch] 9p: strlen() doesn't count the terminator Dan Carpenter
2010-07-10  9:51 ` Dan Carpenter
2010-07-12 20:04 ` Andrew Morton
2010-07-12 20:04   ` Andrew Morton
2010-07-12 21:51   ` Dan Carpenter [this message]
2010-07-12 21:51     ` Dan Carpenter
2010-07-13  3:34   ` David Miller
2010-07-13  3:34     ` David Miller

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