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From: dormando <dormando@rydia.net>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "Alexey Preobrazhensky" <preobr@google.com>,
	"Steffen Klassert" <steffen.klassert@secunet.com>,
	"David Miller" <davem@davemloft.net>,
	paulmck@linux.vnet.ibm.com, netdev@vger.kernel.org,
	"Kostya Serebryany" <kcc@google.com>,
	"Dmitry Vyukov" <dvyukov@google.com>,
	"Lars Bull" <larsbull@google.com>,
	"Eric Dumazet" <edumazet@google.com>,
	"Bruce Curtis" <brutus@google.com>,
	"Maciej Żenczykowski" <maze@google.com>,
	"Alexei Starovoitov" <alexei.starovoitov@gmail.com>
Subject: Re: [PATCH] ipv4: fix a race in ip4_datagram_release_cb()
Date: Wed, 11 Jun 2014 21:05:43 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.10.1406112102500.7354@dinf> (raw)
In-Reply-To: <1402544609.3645.473.camel@edumazet-glaptop2.roam.corp.google.com>

On Wed, 11 Jun 2014, Eric Dumazet wrote:

> On Wed, 2014-06-11 at 18:55 -0700, dormando wrote:
>
> > I sent the udpkill utility in an off-list mail (in case that got binned by
> > anyone).
> >
> > Just threw this patch on top of the other two, on 3.10.42. udpkill's been
> > running for an hour without fault. I've just put traffic back onto the
> > machine am leaving udpkill enabled for a while longer.
> >
> > So, this is an improvement :)
>
> Nice. I suspect regression came with 3.6 ip route cache removal, but I
> am lazy to point the exact commit.
>

Think I owe you a keg at this point. I'll let this bake and we'll see if
the other crashes come back... it'll take a week or two.

I'll have to circle back around to figure out what's gone wrong with 3.14.

Please let me know if there's anything else to test.

  reply	other threads:[~2014-06-12  4:05 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-06 11:29 Potential race in ip4_datagram_release_cb Alexey Preobrazhensky
2014-06-06 12:56 ` Eric Dumazet
2014-06-06 15:59   ` Alexei Starovoitov
2014-06-06 16:16     ` Eric Dumazet
2014-06-06 17:44       ` Alexei Starovoitov
2014-06-06 17:56         ` Eric Dumazet
2014-06-06 18:13           ` Alexei Starovoitov
2014-06-10 13:43 ` [PATCH] ipv4: fix a race in ip4_datagram_release_cb() Eric Dumazet
2014-06-11  0:32   ` dormando
2014-06-11  0:55     ` Eric Dumazet
2014-06-11  1:12       ` Eric Dumazet
2014-06-11  1:26         ` Eric Dumazet
2014-06-11  4:16           ` dormando
2014-06-11  5:54             ` Eric Dumazet
2014-06-11  7:20               ` dormando
2014-06-11  7:26                 ` dormando
2014-06-11  7:38                   ` dormando
2014-06-11 12:41                     ` Eric Dumazet
2014-06-11 13:12                       ` Eric Dumazet
2014-06-12  1:55                         ` dormando
2014-06-12  3:43                           ` Eric Dumazet
2014-06-12  4:05                             ` dormando [this message]
2014-06-22 19:07                             ` dormando
2014-06-23  8:33                               ` Eric Dumazet
2014-06-23  8:55                                 ` dormando
2014-06-23 16:57                                   ` Dmitry Vyukov
2014-06-24 17:05                                 ` [PATCH net] ipv4: fix dst race in sk_dst_get() Eric Dumazet
2014-06-26  0:42                                   ` David Miller
2014-06-11 13:38             ` [PATCH] ipv4: fix a race in ip4_datagram_release_cb() Kostya Serebryany
2014-06-29  0:25           ` dormando
2014-06-30  6:38             ` Eric Dumazet
2014-06-30  8:15               ` dormando
2014-06-30  8:30                 ` Eric Dumazet
2014-07-08  1:41                   ` dormando
2014-07-08  6:47                     ` Eric Dumazet
2014-07-08  7:01                       ` dormando
2014-07-16 21:03                       ` dormando
2014-07-25  8:11                         ` dormando
2014-06-30  8:26           ` [PATCH] ipv4: irq safe sk_dst_[re]set() and ipv4_sk_update_pmtu() fix Eric Dumazet
2014-07-01  6:43             ` David Miller
2014-06-11 22:39   ` [PATCH] ipv4: fix a race in ip4_datagram_release_cb() David Miller

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