From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id 7FDF08D0039 for ; Tue, 22 Mar 2011 07:04:20 -0400 (EDT) Received: from m3.gw.fujitsu.co.jp (unknown [10.0.50.73]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id 00AFA3EE0AE for ; Tue, 22 Mar 2011 20:04:16 +0900 (JST) Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id D86F445DE5A for ; Tue, 22 Mar 2011 20:04:15 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id C09E045DE58 for ; Tue, 22 Mar 2011 20:04:15 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id B348DE08004 for ; Tue, 22 Mar 2011 20:04:15 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.240.81.133]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 7D0ACE08001 for ; Tue, 22 Mar 2011 20:04:15 +0900 (JST) From: KOSAKI Motohiro Subject: [patch 0/5] oom: a few anti fork bomb patches In-Reply-To: <20110315153801.3526.A69D9226@jp.fujitsu.com> References: <20110314232156.0c363813.akpm@linux-foundation.org> <20110315153801.3526.A69D9226@jp.fujitsu.com> Message-Id: <20110322194721.B05E.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="------_4D887E3900000000B05A_MULTIPART_MIXED_" Content-Transfer-Encoding: 7bit Date: Tue, 22 Mar 2011 20:04:14 +0900 (JST) Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton , David Rientjes , Linus Torvalds , Rik van Riel , Oleg Nesterov , linux-mm , Andrey Vagin , Hugh Dickins , KAMEZAWA Hiroyuki --------_4D887E3900000000B05A_MULTIPART_MIXED_ Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Hi I'm backed. Andrey's (attached) fork bomb testcase effectively kill my machine when swap is disabled. therefore, I've made a few anti andrey test patches. This patches only avoid kernel livelock. they doesn't genocide fork-bombs. Kamezawa-san is trying such effort. comments are welcome. --------_4D887E3900000000B05A_MULTIPART_MIXED_ Content-Type: application/octet-stream; name="memeater.py" Content-Disposition: attachment; filename="memeater.py" Content-Transfer-Encoding: base64 aW1wb3J0IHN5cywgdGltZSwgbW1hcCwgb3MNCmZyb20gc3VicHJvY2VzcyBpbXBvcnQgUG9wZW4s IFBJUEUNCmltcG9ydCByYW5kb20NCg0KZ2xvYmFsIG1lbV9zaXplDQoNCmRlZiBpbmZvKG1zZyk6 DQoJcGlkID0gb3MuZ2V0cGlkKCkNCglwcmludCA+PiBzeXMuc3RkZXJyLCAiJXM6ICVzIiAlIChw aWQsIG1zZykNCglzeXMuc3RkZXJyLmZsdXNoKCkNCg0KDQoNCmRlZiBtZW1vcnlfbG9vcChjbWQg PSAiYSIpOg0KCSIiIg0KCWNtZCBtYXkgYmU6DQoJCWM6IGNoZWNrIG1lbW9yeQ0KCQllbHNlOiB0 b3VjaCBtZW1vcnkNCgkiIiINCgljID0gMA0KCWZvciBqIGluIHhyYW5nZSgwLCBtZW1fc2l6ZSk6 DQoJCWlmIGNtZCA9PSAiYyI6DQoJCQlpZiBmW2o8PDEyXSAhPSBjaHIoaiAlIDI1NSk6DQoJCQkJ aW5mbygiRGF0YSBjb3JydXB0aW9uIikNCgkJCQlzeXMuZXhpdCgxKQ0KCQllbHNlOg0KCQkJZltq PDwxMl0gPSBjaHIoaiAlIDI1NSkNCg0Kd2hpbGUgVHJ1ZToNCglwaWQgPSBvcy5mb3JrKCkNCglp ZiAocGlkICE9IDApOg0KCQltZW1fc2l6ZSA9IHJhbmRvbS5yYW5kaW50KDAsIDU2ICogNDA5NikN CgkJZiA9IG1tYXAubW1hcCgtMSwgbWVtX3NpemUgPDwgMTIsIG1tYXAuTUFQX0FOT05ZTU9VU3xt bWFwLk1BUF9QUklWQVRFKQ0KCQltZW1vcnlfbG9vcCgpDQoJCW1lbW9yeV9sb29wKCJjIikNCgkJ Zi5jbG9zZSgpDQo= --------_4D887E3900000000B05A_MULTIPART_MIXED_-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org