linux-raid.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Kumar amit mehta <gmate.amit-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Kent Overstreet <koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: neilb-l3A5Bk7waGM@public.gmane.org,
	linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] md: bcache: io.c: fix a potential NULL pointer dereference
Date: Tue, 28 May 2013 20:01:13 -0400	[thread overview]
Message-ID: <20130529000113.GA6648@gmail.com> (raw)
In-Reply-To: <20130529002041.GC2291-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>

On Tue, May 28, 2013 at 05:20:41PM -0700, Kent Overstreet wrote:
> On Tue, May 28, 2013 at 12:31:15AM -0700, Kumar Amit Mehta wrote:
> > bio_alloc_bioset returns NULL on failure. This fix adds a missing check
> > for potential NULL pointer dereferencing.
> 
> Whoops, that's definitely a bug. Thanks, applied.
> 
> How'd you find it?

Using smatch[1]

[1] http://smatch.sourceforge.net/

      parent reply	other threads:[~2013-05-29  0:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-28  7:31 [PATCH] md: bcache: io.c: fix a potential NULL pointer dereference Kumar Amit Mehta
     [not found] ` <1369726275-5424-1-git-send-email-gmate.amit-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-05-29  0:20   ` Kent Overstreet
     [not found]     ` <20130529002041.GC2291-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-05-29  0:01       ` Kumar amit mehta [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130529000113.GA6648@gmail.com \
    --to=gmate.amit-re5jqeeqqe8avxtiumwx3w@public.gmane.org \
    --cc=kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
    --cc=linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=neilb-l3A5Bk7waGM@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).