Date: Tue, 23 Sep 1997 10:11:47 +0200 (SAT) From: Graham Wheeler <gram@cdsec.com> To: jmb@FreeBSD.ORG (Jonathan M. Bresler) Cc: hackers@FreeBSD.ORG Subject: Re: Bug in malloc/free (was: Memory leak in getservbyXXX?) Message-ID: <199709230811.KAA11350@cdsec.com> In-Reply-To: <199709221826.LAA06521@hub.freebsd.org> from "Jonathan M. Bresler" at Sep 22, 97 11:26:34 am
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> > Graham Wheeler wrote: > > > > Unfortunately not. At present most of our clients are still running the > > firewall software on FreeBSD 2.1.0, and have no problem (with at least > > one site of about 2000 users having run the gateway process for about > > four months without a restart or reboot). We recently upgraded a couple > > of sites to FreeBSD 2.2.2, mostly to allow Adaptec 2940 support. Of these > > good to hear that 2.1.0 is working well for you. ;) > what hardware are you using to support 2000 users? Pentium 166MHz, 64Mb RAM. Note that the users don't have accounts on the machine - the machine is just the firewall gateway for the users. > > Only one site has been affected by the bug, with the main distinguishing > > characteristic being a very heavy network load (there are approximately > > 5000 users behind this firewall, with quite heavy WWW browser useage taking > > place). > > does it crash them often, or only rarely...(rather inexact question) About every half hour. > > As the loop can occur anywhere where there is a call to malloc, directly > > or indirectly, we have not been able to isolate it at all. Most of the C++ > > classes that are used have their own test programs to test them in isolation, > did you replace new() in any of these classes? No. -- Dr Graham Wheeler E-mail: gram@cdsec.com Citadel Data Security Phone: +27(21)23-6065/6/7 Internet/Intranet Network Specialists Mobile: +27(83)-253-9864 Firewalls/Virtual Private Networks Fax: +27(21)24-3656 Data Security Products WWW: http://www.cdsec.com/
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