linux-kernel - Re: [PATCH v2 0/5] pid: add pidfd

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Date:   Mon, 1 Apr 2019 07:37:42 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Christian Brauner <christian@...uner.io>,
        Andy Lutomirski <luto@...capital.net>,
        Daniel Colascione <dancol@...gle.com>,
        Jann Horn <jannh@...gle.com>,
        Andrew Lutomirski <luto@...nel.org>,
        David Howells <dhowells@...hat.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Linux API <linux-api@...r.kernel.org>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
        Kees Cook <keescook@...omium.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Michael Kerrisk-manpages <mtk.manpages@...il.com>,
        Jonathan Kowalski <bl0pbl33p@...il.com>,
        "Dmitry V. Levin" <ldv@...linux.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Oleg Nesterov <oleg@...hat.com>,
        Nagarathnam Muthusamy <nagarathnam.muthusamy@...cle.com>,
        Aleksa Sarai <cyphar@...har.com>,
        Joel Fernandes <joel@...lfernandes.org>
Subject: Re: [PATCH v2 0/5] pid: add pidfd_open()

On Sun, Mar 31, 2019 at 05:18:10PM -0700, Linus Torvalds wrote:

> Yeah, I would like to see the actual aio.c pull request and the
> use-after-free fixes. All the patches look fine, I just don't have the
> final end result..

use-after-free fixes: ceph is already in mainline, Daniel's bpf fix is in
bpf tree (1da6c4d9140c "bpf: fix use after free in bpf_evict_inode"),
the rest is in vfs.git#fixes.

The following changes since commit 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b:

  Linux 5.1-rc1 (2019-03-17 14:22:26 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git fixes

for you to fetch changes up to 93b919da64c15b90953f96a536e5e61df896ca57:

  debugfs: fix use-after-free on symlink traversal (2019-04-01 00:31:02 -0400)

----------------------------------------------------------------
Al Viro (3):
      jffs2: fix use-after-free on symlink traversal
      ubifs: fix use-after-free on symlink traversal
      debugfs: fix use-after-free on symlink traversal

 fs/debugfs/inode.c   | 13 +++++++++----
 fs/jffs2/readinode.c |  5 -----
 fs/jffs2/super.c     |  5 ++++-
 fs/ubifs/super.c     |  4 +---
 4 files changed, 14 insertions(+), 13 deletions(-)