From: Greg KH <gregkh@linuxfoundation.org>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
stable@vger.kernel.org, edumazet@google.com,
Stephen Hemminger <sthemmin@microsoft.com>
Subject: Re: [PATCH v3 00/30] backport of IP fragmentation fixes
Date: Mon, 17 Sep 2018 14:47:52 +0200 [thread overview]
Message-ID: <20180917124752.GA15391@kroah.com> (raw)
In-Reply-To: <20180913145902.17531-1-sthemmin@microsoft.com>
On Thu, Sep 13, 2018 at 07:58:32AM -0700, Stephen Hemminger wrote:
> Took the set of patches from 4.19 to handle IP fragmentation DoS
> and applied them against 4.14.69. Most of these are from Eric.
> In a couple case, it required some manual merge conflict resolution.
>
> Tested normal IP fragmentation with iperf3 and malicious IP fragments
> with fragmentsmack. Under fragmentation attack (700Kpps) the original
> 4.14.69 consumes 97% CPU; with this patch it drops to 5%.
All now queued up, thanks for doing the backport.
greg k-h
prev parent reply other threads:[~2018-09-17 12:47 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-13 14:58 [PATCH v3 00/30] backport of IP fragmentation fixes Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 01/30] inet: frags: change inet_frags_init_net() return value Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 02/30] inet: frags: add a pointer to struct netns_frags Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 03/30] inet: frags: refactor ipfrag_init() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 04/30] inet: frags: Convert timers to use timer_setup() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 05/30] inet: frags: refactor ipv6_frag_init() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 06/30] inet: frags: refactor lowpan_net_frag_init() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 07/30] ipv6: export ip6 fragments sysctl to unprivileged users Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 08/30] rhashtable: add schedule points Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 09/30] inet: frags: use rhashtables for reassembly units Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 10/30] inet: frags: remove some helpers Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 11/30] inet: frags: get rif of inet_frag_evicting() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 12/30] inet: frags: remove inet_frag_maybe_warn_overflow() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 13/30] inet: frags: break the 2GB limit for frags storage Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 14/30] inet: frags: do not clone skb in ip_expire() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 15/30] ipv6: frags: rewrite ip6_expire_frag_queue() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 16/30] rhashtable: reorganize struct rhashtable layout Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 17/30] inet: frags: reorganize struct netns_frags Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 18/30] inet: frags: get rid of ipfrag_skb_cb/FRAG_CB Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 19/30] inet: frags: fix ip6frag_low_thresh boundary Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 20/30] ip: discard IPv4 datagrams with overlapping segments Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 21/30] net: speed up skb_rbtree_purge() Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 22/30] net: modify skb_rbtree_purge to return the truesize of all purged skbs Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 23/30] ipv6: defrag: drop non-last frags smaller than min mtu Stephen Hemminger
2019-01-10 19:30 ` Tom Herbert
2019-01-10 22:22 ` Florian Westphal
2019-01-11 10:57 ` Eric Dumazet
2019-01-11 12:21 ` Michal Kubecek
2019-01-11 12:27 ` Eric Dumazet
2019-01-11 12:52 ` Michal Kubecek
2019-01-11 13:07 ` Eric Dumazet
[not found] ` <CAOSSMjUODMbBuW=GgwcEt6avKoyYD5A9CzdBtE6NR6dz4pnD6w@mail.gmail.com>
2019-01-11 14:09 ` Eric Dumazet
2019-01-11 14:21 ` Michal Kubecek
[not found] ` <CAOSSMjVMVWxzkT5M2LHgf0+GPHdaWHV01a6mBqbGRVXOaQ04PQ@mail.gmail.com>
2019-01-11 17:09 ` Peter Oskolkov
2019-01-11 18:10 ` Michal Kubecek
2019-01-12 3:21 ` Tom Herbert
2018-09-13 14:58 ` [PATCH v3 24/30] net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 25/30] net: add rb_to_skb() and other rb tree helpers Stephen Hemminger
2018-09-13 14:58 ` [PATCH v3 26/30] net: sk_buff rbnode reorg Stephen Hemminger
2018-10-18 16:01 ` Christoph Paasch
2018-09-13 14:58 ` [PATCH v3 27/30] ipv4: frags: precedence bug in ip_expire() Stephen Hemminger
2018-09-13 14:59 ` [PATCH v3 28/30] ip: add helpers to process in-order fragments faster Stephen Hemminger
2018-09-13 14:59 ` [PATCH v3 29/30] ip: process in-order fragments efficiently Stephen Hemminger
2018-09-13 14:59 ` [PATCH v3 30/30] ip: frags: fix crash in ip_do_fragment() Stephen Hemminger
2018-09-17 12:47 ` Greg KH [this message]
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