linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Linus Torvalds <torvalds@linux-foundation.org>
To: syzbot <syzbot+7a8ba368b47fdefca61e@syzkaller.appspotmail.com>
Cc: dledford@redhat.com, Christoph Hellwig <hch@lst.de>,
	Leon Romanovsky <leonro@mellanox.com>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
	Sagi Grimberg <sagi@grimberg.me>,
	syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
	Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: KASAN: use-after-free Read in path_lookupat
Date: Sun, 24 Mar 2019 18:25:30 -0700	[thread overview]
Message-ID: <CAHk-=wiLW+b=r=z3fYGY58WV+qu2qW6Q0_K30Qat0-74-iwvJg@mail.gmail.com> (raw)
In-Reply-To: <000000000000295e0d0584e08021@google.com>

On Sun, Mar 24, 2019 at 5:44 PM syzbot
<syzbot+7a8ba368b47fdefca61e@syzkaller.appspotmail.com> wrote:
>
> syzbot has bisected this bug to:
>
> commit a435393acafbf0ecff4deb3e3cb554b34f0d0664

That's wrong. It might change some timing or something to make the
race hit, but it looks entirely unrelated to the bpf path_lookupat
problem.

                 Linus

  reply	other threads:[~2019-03-25  1:25 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-28 17:40 KASAN: use-after-free Read in path_lookupat syzbot
2019-03-25  0:44 ` syzbot
2019-03-25  1:25   ` Linus Torvalds [this message]
2019-03-25  1:23 ` Linus Torvalds
2019-03-25  4:57   ` Al Viro
2019-03-25  9:15     ` Daniel Borkmann
2019-03-25 11:11       ` Al Viro
2019-03-25 11:17         ` Al Viro
2019-03-25 11:21           ` Daniel Borkmann
2019-03-25 18:36     ` Linus Torvalds
2019-03-25 19:18       ` Linus Torvalds
2019-03-25 21:14         ` Al Viro
2019-03-25 21:45           ` Linus Torvalds
2019-03-25 22:04             ` Daniel Borkmann
2019-03-25 22:13               ` Linus Torvalds
2019-03-25 22:41                 ` Daniel Borkmann
2019-03-25 22:49               ` Al Viro
2019-03-25 23:37             ` Al Viro
2019-03-25 23:44               ` Alexei Starovoitov
2019-03-26  0:21                 ` Al Viro
2019-03-26  1:38               ` ceph: fix use-after-free on symlink traversal Al Viro
2019-03-26  1:39                 ` jffs2: " Al Viro
2019-03-26  1:40                 ` ubifs: " Al Viro
2019-03-26  1:43                 ` debugfs: " Al Viro
2019-03-26 10:41                 ` ceph: " Jeff Layton
2019-03-26 11:38                 ` Ilya Dryomov
2019-03-26  1:45               ` KASAN: use-after-free Read in path_lookupat Al Viro
2019-04-10 18:11                 ` Al Viro
2019-04-10 19:44                   ` Linus Torvalds
2019-03-25 19:43       ` Al Viro
2019-03-25 22:48         ` Dave Chinner
2019-03-25 23:02           ` Al Viro
     [not found]             ` <CAGe7X7mb=gK7zhSwmT_6mmmkcbjhZAOb=wj31BdUcHkNUPsm2Q@mail.gmail.com>
2019-03-26  4:15               ` Al Viro
2019-03-27 16:58                 ` Jan Kara
2019-03-27 18:59                   ` Al Viro
2019-03-28  9:00                     ` Jan Kara
2019-03-27 17:22             ` Jan Kara

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='CAHk-=wiLW+b=r=z3fYGY58WV+qu2qW6Q0_K30Qat0-74-iwvJg@mail.gmail.com' \
    --to=torvalds@linux-foundation.org \
    --cc=dledford@redhat.com \
    --cc=hch@lst.de \
    --cc=leonro@mellanox.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sagi@grimberg.me \
    --cc=syzbot+7a8ba368b47fdefca61e@syzkaller.appspotmail.com \
    --cc=syzkaller-bugs@googlegroups.com \
    --cc=viro@zeniv.linux.org.uk \
    /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).