Date: Sun, 26 Nov 2000 19:18:59 -0800 (PST) From: xeno@emts.ru To: freebsd-gnats-submit@FreeBSD.org Subject: misc/23120: '|more' takes up to 100% system resources Message-ID: <20001127031859.AA0BF37B4C5@hub.freebsd.org>
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>Number: 23120 >Category: misc >Synopsis: '|more' takes up to 100% system resources >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Nov 26 19:20:01 PST 2000 >Closed-Date: >Last-Modified: >Originator: Pavel V. Pokrovsky >Release: FreeBSD-4.0-RELEASE >Organization: private >Environment: machine is P-200 with 24 MB RAM (SIMM), 4.3 GB Fujitsu. Two ethernet interfaces (both Realtek 8139). >Description: usage of commands with '|more' takes up to 100% of system resources, which may be considered as a DoS >How-To-Repeat: open MS Windows telnet, then 'telnet' to FreeBSD machine, then 'su root', start, for example, "ps -ax | more" and close Windows telnet with a simple button-click (not disconnect). Next morning open "telnet" again and see "top". On my machine "more" took up to 100% of system resources. >Fix: dunno. :( >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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