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From: Phil Oester <kernel@linuxace.com>
To: Patrick McHardy <kaber@trash.net>,
	"David S. Miller" <davem@davemloft.net>,
	Robert.Olsson@data.slu.se, akpm@osdl.org, torvalds@osdl.org,
	alexn@dsv.su.se, kas@fi.muni.cz, linux-kernel@vger.kernel.org,
	netdev@oss.sgi.com
Subject: Re: Memory leak in 2.6.11-rc1?
Date: Sun, 30 Jan 2005 10:19:13 -0800	[thread overview]
Message-ID: <20050130181913.GA15299@linuxace.com> (raw)
In-Reply-To: <20050130180146.E25000@flint.arm.linux.org.uk>

On Sun, Jan 30, 2005 at 06:01:46PM +0000, Russell King wrote:
> > OTOH, if conntrack isn't loaded forwarded packet are never defragmented,
> > so frag_list should be empty. So probably false alarm, sorry.
> 
> I've just checked Phil's mails - both Phil and myself are using
> netfilter on the troublesome boxen.
> 
> Also, since FragCreates is zero, and this does mean that the frag_list
> is not empty in all cases so far where ip_fragment() has been called.
> (Reading the code, if frag_list was empty, we'd have to create some
> fragments, which increments the FragCreates statistic.)

The below testcase seems to illustrate the problem nicely -- ip_dst_cache
grows but never shrinks:

On gateway:

iptables -I FORWARD -d 10.10.10.0/24 -j DROP

On client:

for i in `seq 1 254` ; do ping -s 1500 -c 5 -w 1 -f 10.10.10.$i ; done


Phil

  reply	other threads:[~2005-01-30 18:19 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-21 16:19 Memory leak in 2.6.11-rc1? Jan Kasprzak
2005-01-22  2:23 ` Alexander Nyberg
2005-01-23  9:11   ` Jens Axboe
2005-01-23  9:19     ` Andrew Morton
2005-01-23  9:56       ` Jens Axboe
2005-01-23 10:32         ` Andrew Morton
2005-01-23 20:03           ` Russell King
2005-01-24 11:48             ` Russell King
2005-01-25 19:32               ` Russell King
2005-01-27  8:28                 ` Russell King
2005-01-27  8:47                   ` Andrew Morton
2005-01-27 10:19                     ` Alessandro Suardi
2005-01-27 12:17                     ` Martin Josefsson
2005-01-27 12:56                     ` Robert Olsson
2005-01-27 13:03                       ` Robert Olsson
2005-01-27 16:49                       ` Russell King
2005-01-27 18:37                         ` Phil Oester
2005-01-27 19:25                           ` Russell King
2005-01-27 20:40                             ` Phil Oester
2005-01-28  9:32                               ` Russell King
2005-01-27 20:33                         ` David S. Miller
2005-01-28  0:17                           ` Russell King
2005-01-28  0:34                             ` David S. Miller
2005-01-28  8:58                               ` Russell King
2005-01-30 13:23                                 ` Russell King
2005-01-30 15:34                                   ` Russell King
2005-01-30 16:57                                     ` Phil Oester
2005-01-30 17:23                                   ` Patrick McHardy
2005-01-30 17:26                                     ` Patrick McHardy
2005-01-30 17:58                                       ` Patrick McHardy
2005-01-30 18:45                                         ` Russell King
2005-01-31  2:48                                         ` David S. Miller
2005-01-31  4:11                                         ` Herbert Xu
2005-01-31  4:45                                           ` YOSHIFUJI Hideaki / 吉藤英明
2005-01-31  5:00                                             ` Patrick McHardy
2005-01-31  5:11                                               ` David S. Miller
2005-01-31  5:40                                                 ` Herbert Xu
2005-01-31  5:16                                               ` YOSHIFUJI Hideaki / 吉藤英明
2005-01-31  5:42                                                 ` Yasuyuki KOZAKAI
2005-01-30 18:01                                       ` Russell King
2005-01-30 18:19                                         ` Phil Oester [this message]
2005-01-28  1:41                             ` Phil Oester
2005-01-24  0:56           ` Alexander Nyberg
2005-01-24 20:47             ` Jens Axboe
2005-01-24 20:56               ` Andrew Morton
2005-01-24 21:05                 ` Jens Axboe
2005-01-24 22:35                 ` Linus Torvalds
2005-01-25 15:53                   ` OT " Paulo Marques
2005-01-26  8:01                   ` Jens Axboe
2005-01-26  8:11                     ` Andrew Morton
2005-01-26  8:40                       ` Jens Axboe
2005-01-26  8:44                         ` Andrew Morton
2005-01-26  8:47                           ` Jens Axboe
2005-01-26  8:52                             ` Jens Axboe
2005-01-26  9:00                               ` William Lee Irwin III
2005-01-26  8:58                             ` Andrew Morton
2005-01-26  9:03                               ` Jens Axboe
2005-01-26 15:52                               ` Parag Warudkar
2005-02-02  9:29                   ` Lennert Van Alboom
2005-02-02 16:00                     ` Linus Torvalds
2005-02-02 16:19                       ` Lennert Van Alboom
2005-02-02 17:49                       ` Dave Hansen
2005-02-02 18:27                         ` Linus Torvalds
2005-02-02 19:07                           ` Dave Hansen
2005-02-02 21:08                             ` Linus Torvalds
2005-01-24 22:05             ` Andrew Morton
2005-02-07 11:00 ` Jan Kasprzak
2005-02-07 11:11   ` William Lee Irwin III
2005-02-07 15:38   ` Linus Torvalds
2005-02-07 15:52     ` Jan Kasprzak
2005-02-07 16:38       ` axboe
2005-02-07 17:35         ` Jan Kasprzak
2005-02-07 21:10           ` Jan Kasprzak
2005-02-08  2:47     ` Memory leak in 2.6.11-rc1? (also here) Noel Maddy
2005-02-16  4:00       ` -rc3 leaking NOT BIO [Was: Memory leak in 2.6.11-rc1?] Parag Warudkar
2005-02-16  5:12         ` Andrew Morton
2005-02-16  6:07           ` Parag Warudkar
2005-02-16 23:52             ` Andrew Morton
2005-02-17 13:00               ` Parag Warudkar
2005-02-17 18:18                 ` Linus Torvalds
2005-02-18  1:38                 ` Badari Pulavarty
2005-02-21  4:57                   ` Parag Warudkar
2005-02-16 23:31           ` Parag Warudkar
2005-02-16 23:51             ` Andrew Morton
2005-02-17  1:19               ` Parag Warudkar
2005-02-17  3:48               ` Horst von Brand
2005-02-17 13:35                 ` Parag Warudkar

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