bpf.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: ebiggers@kernel.org
Cc: arnd@arndb.de, viro@zeniv.linux.org.uk, paulus@samba.org,
	bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-ppp@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	syzbot+eb853b51b10f1befa0b7@syzkaller.appspotmail.com,
	syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH] ppp: fix out-of-bounds access in bpf_prog_create()
Date: Thu, 05 Dec 2019 14:45:40 -0800 (PST)	[thread overview]
Message-ID: <20191205.144540.791142390544922677.davem@davemloft.net> (raw)
In-Reply-To: <20191205055419.13435-1-ebiggers@kernel.org>

From: Eric Biggers <ebiggers@kernel.org>
Date: Wed,  4 Dec 2019 21:54:19 -0800

> From: Eric Biggers <ebiggers@google.com>
> 
> sock_fprog_kern::len is in units of struct sock_filter, not bytes.
> 
> Fixes: 3e859adf3643 ("compat_ioctl: unify copy-in of ppp filters")
> Reported-by: syzbot+eb853b51b10f1befa0b7@syzkaller.appspotmail.com
> Signed-off-by: Eric Biggers <ebiggers@google.com>

Applied, thank you.

  parent reply	other threads:[~2019-12-05 22:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-17 18:49 KASAN: slab-out-of-bounds Read in bpf_prog_create syzbot
2019-09-28  3:15 ` Eric Biggers
2019-12-05  5:22   ` Eric Biggers
2019-12-05  5:54     ` [PATCH] ppp: fix out-of-bounds access in bpf_prog_create() Eric Biggers
2019-12-05  9:07       ` Arnd Bergmann
2019-12-05 22:45       ` David Miller [this message]
2019-12-05  9:08     ` KASAN: slab-out-of-bounds Read in bpf_prog_create Arnd Bergmann

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=20191205.144540.791142390544922677.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=arnd@arndb.de \
    --cc=bpf@vger.kernel.org \
    --cc=ebiggers@kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-ppp@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=paulus@samba.org \
    --cc=syzbot+eb853b51b10f1befa0b7@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).