public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Matthieu Castet <mat@ensilinx1.imag.fr>
To: linux-kernel@vger.kernel.org
Subject: Re: forkbombing Linux distributions
Date: Mon, 28 Mar 2005 19:28:20 +0200	[thread overview]
Message-ID: <20050328172820.GA31571@linux.ensimag.fr> (raw)

[-- Attachment #1: Type: text/plain, Size: 514 bytes --]

> The memory limits aren't good enough either: if you set them low
> enough that memory-forkbombs are unperilous for
> RLIMIT_NPROC*RLIMIT_DATA, it's probably too low for serious
> applications.

yes, if you want to run application like openoffice.org you need at
least 200Mo. If you want that your system is usable, you need at least 40 process per user. So 40*200 = 8Go, and it don't think you have all this memory...

I think per user limit could be a solution.

attached a small fork-memory bombing.

Matthieu

[-- Attachment #2: kha.c --]
[-- Type: text/x-csrc, Size: 64 bytes --]

int main()
{
	while(1){
		while(fork()){
			malloc(1);
		}
	}
}

             reply	other threads:[~2005-03-28 17:30 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-28 17:28 Matthieu Castet [this message]
2005-03-28 17:56 ` forkbombing Linux distributions folkert
2005-03-28 19:33   ` Jan Engelhardt
2005-03-28 19:39     ` folkert
2005-03-28 20:35       ` Renate Meijer
2005-03-28 20:44         ` [BORED] " Willy Tarreau
2005-03-29 12:31 ` Natanael Copa
2005-03-30 23:46 ` Felipe Alfaro Solana
2005-03-31  6:55   ` Natanael Copa
2005-03-31  7:09     ` Jacek Łuczak
  -- strict thread matches above, loose matches on Subject: below --
2005-03-30 17:40 Jacek Łuczak
2005-03-31 10:00 ` Natanael Copa
2005-03-31 17:11   ` Lee Revell
2005-04-05  9:47     ` Natanael Copa
2005-04-05 10:18       ` Jacek Luczak
2005-03-22 17:09 Natanael Copa
2005-03-21  3:06 William Beebe
2005-03-21  3:22 ` Dave Jones
2005-03-21  3:26   ` William Beebe
2005-03-21  3:27 ` Peter Chubb
2005-03-21  5:14   ` Grant Coady
2005-03-21  7:41     ` Jan Engelhardt
2005-03-22 11:26 ` Hikaru1
2005-03-22 11:49   ` Jan Engelhardt
     [not found]     ` <20050322124812.GB18256@roll>
2005-03-22 12:50       ` Hikaru1
2005-03-23 10:56         ` aq
2005-03-23 12:37           ` Natanael Copa
2005-03-23 13:04             ` aq
2005-03-23 13:38               ` Jan Engelhardt
2005-03-23 13:54               ` Natanael Copa
2005-03-23 14:20                 ` Måns Rullgård
2005-03-23 14:43                 ` Jan Engelhardt
2005-03-23 15:04                   ` Natanael Copa
2005-03-24  7:07                     ` Jan Engelhardt
2005-03-24 10:05                       ` Natanael Copa
2005-03-23 19:38                   ` Kyle Moffett
2005-03-23 20:26                     ` Natanael Copa
2005-03-23 17:05                 ` aq
2005-03-23 18:05                   ` Paul Jackson
2005-03-23 18:44                     ` aq
2005-03-23 20:15                       ` Natanael Copa
2005-03-23 20:48                   ` Natanael Copa
2005-03-23 13:45             ` Erik Mouw
2005-03-23 14:03               ` Natanael Copa
2005-03-23 13:53     ` Max Kellermann
2005-03-23 14:23       ` Natanael Copa
2005-03-23 14:27         ` Max Kellermann
2005-03-23 14:44           ` Natanael Copa
2005-03-23 14:52             ` Max Kellermann
2005-03-23 15:18               ` Natanael Copa
2005-03-26 10:37 ` Tux
2005-03-28  8:03   ` Natanael Copa

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=20050328172820.GA31571@linux.ensimag.fr \
    --to=mat@ensilinx1.imag.fr \
    --cc=20050323135317.GA22959@roonstrasse.net \
    --cc=linux-kernel@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox