From: Stefano Brivio <sbrivio@redhat.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: Jianlin Shi <jishi@redhat.com>,
Hangbin Liu <liuhangbin@gmail.com>,
Eric Dumazet <edumazet@google.com>,
Stephen Hemminger <stephen@networkplumber.org>,
netdev@vger.kernel.org
Subject: [PATCH net v2 0/2] Fix slab out-of-bounds on insufficient headroom for IPv6 packets
Date: Thu, 6 Dec 2018 19:30:35 +0100 [thread overview]
Message-ID: <cover.1544119954.git.sbrivio@redhat.com> (raw)
Patch 1/2 fixes a slab out-of-bounds occurring with short SCTP packets over
IPv4 over L2TP over IPv6 on a configuration with relatively low HEADER_MAX.
Patch 2/2 makes sure we avoid writing before the allocated buffer in
neigh_hh_output() in case the headroom is enough for the unaligned hardware
header size, but not enough for the aligned one, and that we warn if we hit
this condition.
Stefano Brivio (2):
ipv6: Check available headroom in ip6_xmit() even without options
neighbour: Avoid writing before skb->head in neigh_hh_output()
include/net/neighbour.h | 28 ++++++++++++++++++++++-----
net/ipv6/ip6_output.c | 42 ++++++++++++++++++++---------------------
2 files changed, 44 insertions(+), 26 deletions(-)
--
2.19.2
next reply other threads:[~2018-12-06 18:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-06 18:30 Stefano Brivio [this message]
2018-12-06 18:30 ` [PATCH net v2 1/2] ipv6: Check available headroom in ip6_xmit() even without options Stefano Brivio
2018-12-06 18:30 ` [PATCH net v2 2/2] neighbour: Avoid writing before skb->head in neigh_hh_output() Stefano Brivio
2018-12-08 0:37 ` [PATCH net v2 0/2] Fix slab out-of-bounds on insufficient headroom for IPv6 packets David Miller
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=cover.1544119954.git.sbrivio@redhat.com \
--to=sbrivio@redhat.com \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=jishi@redhat.com \
--cc=liuhangbin@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=stephen@networkplumber.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.