From: Tejun Heo <tj@kernel.org>
To: Sasha Levin <levinsasha928@gmail.com>
Cc: aris@redhat.com, dan.carpenter@oracle.com,
fengguang.wu@intel.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] xattr: prevent NULL ptr deref warnings in __simple_xattr_set
Date: Fri, 14 Sep 2012 13:54:34 -0700 [thread overview]
Message-ID: <20120914205434.GS17747@google.com> (raw)
In-Reply-To: <1347651354-16289-2-git-send-email-levinsasha928@gmail.com>
On Fri, Sep 14, 2012 at 09:35:54PM +0200, Sasha Levin wrote:
> Prevent warnings generated by smatch due to unchecked dereference of
> 'new_xattr' in __simple_xattr_set().
Isn't this an actual bug w/ or w/o smatch? Remove request (NULL
@value) w/o XATTR_REPLACE for an non-existent node would end up
calling list_add() on NULL, right? If so, please collapse these two
patches and mention the actual bug instead of smatch warning.
Thanks.
--
tejun
next prev parent reply other threads:[~2012-09-14 20:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-14 19:35 [PATCH 1/2] Revert "xattr: mark variable as uninitialized to make both gcc and smatch happy" Sasha Levin
2012-09-14 19:35 ` [PATCH 2/2] xattr: prevent NULL ptr deref warnings in __simple_xattr_set Sasha Levin
2012-09-14 20:54 ` Tejun Heo [this message]
2012-09-14 20:55 ` Tejun Heo
2012-09-14 20:58 ` Aristeu Rozanski
2012-10-09 18:52 ` Sasha Levin
2012-10-15 13:16 ` Aristeu Rozanski
2012-09-14 20:05 ` [PATCH 1/2] Revert "xattr: mark variable as uninitialized to make both gcc and smatch happy" Aristeu Rozanski
2012-09-15 12:43 ` Dan Carpenter
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