lkml.org 
[lkml]   [2018]   [Apr]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: KASAN: null-ptr-deref Read in xattr_getsecurity
On Tue, 10 Apr 2018, Eric W. Biederman wrote:

> Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> writes:
>
> > From 904d07a6eb014f3df0c5a1ebfcfd4323276a9a76 Mon Sep 17 00:00:00 2001
> > From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
> > Date: Tue, 10 Apr 2018 15:15:16 +0900
> > Subject: [PATCH] commoncap: Handle memory allocation failure.
> >
> > syzbot is reporting NULL pointer dereference at xattr_getsecurity() [1],
> > for cap_inode_getsecurity() is returning sizeof(struct vfs_cap_data) when
> > memory allocation failed. Return -ENOMEM if memory allocation failed.
> >
> > [1] https://syzkaller.appspot.com/bug?id=a55ba438506fe68649a5f50d2d82d56b365e0107
>
> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
>
> Tetsuo I can pick this up, or do you have preferred path for getting
> this change merged?
>

It can go via my tree if needed, but otherwise:


Acked-by: James Morris <james.morris@microsoft.com>


--
James Morris
<jmorris@namei.org>

\
 
 \ /
  Last update: 2018-04-11 01:22    [W:0.067 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site