Re: KASAN: null-ptr-deref Read in xattr_getsecurity

To: syzbot+9369930ca44f29e60e2d@xxxxxxxxxxxxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx
Subject: Re: KASAN: null-ptr-deref Read in xattr_getsecurity
From: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 25 Apr 2018 20:01:54 +0900
Cc: ebiederm@xxxxxxxxxxxx, serge@xxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx
In-reply-to: <201804110600.CCF73450.FFOOQtSFOLHMVJ@I-love.SAKURA.ne.jp>
User-agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0

OK. Patch was sent to linux.git as 1f5781725dcbb026.

#syz fix: commoncap: Handle memory allocation failure.

References:
- KASAN: null-ptr-deref Read in xattr_getsecurity
  - From: syzbot
- Re: KASAN: null-ptr-deref Read in xattr_getsecurity
  - From: Tetsuo Handa
- Re: KASAN: null-ptr-deref Read in xattr_getsecurity
  - From: Eric W. Biederman
- Re: KASAN: null-ptr-deref Read in xattr_getsecurity
  - From: Tetsuo Handa