Date: Fri, 7 Apr 2006 07:36:24 GMT From: Andrey Sverdlichenko <blaze@ruddy.ru> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/95462: Memory leak in ieee 802.11 stack Message-ID: <200604070736.k377aOtq021888@www.freebsd.org> Resent-Message-ID: <200604070740.k377eHYi096010@freefall.freebsd.org>
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>Number: 95462 >Category: kern >Synopsis: Memory leak in ieee 802.11 stack >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Apr 07 07:40:16 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Andrey Sverdlichenko >Release: 6.0-RELEASE >Organization: >Environment: FreeBSD toaster.infosec.ru 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Thu Nov 3 09:36:13 UTC 2005 root@x64.samsco.home:/usr/obj/usr/src/sys/GENERIC i386 >Description: In hostap mode after a some time (12-24 hours under heavy traffic) memory use by IEEE 802.11 node table grows up and network stops: no traffic passing, clients can't connect. It does not depend on WEP, WPA or open network mode. %vmstat -m | grep 80211 80211node 7919 7919K - 13960 512,1024 %ifconfig ath0: flags=8d43<UP,BROADCAST,RUNNING,PROMISC,OACTIVE,SIMPLEX,MULTICAST> mtu 1500 inet6 fe80::215:e9ff:fe42:4888%ath0 prefixlen 64 scopeid 0x1 ether 00:15:e9:42:48:88 media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap> status: associated ssid toaster-wep channel 2 bssid 00:15:e9:42:48:88 authmode OPEN privacy ON deftxkey 1 wepkey 1:40-bit txpowmax 36 protmode CTS dtimperiod 1 bintval 100 rl0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500 options=8<VLAN_MTU> inet6 fe80::2d0:68ff:fe08:2cec%rl0 prefixlen 64 scopeid 0x3 inet 10.2.0.71 netmask 0xffff0000 broadcast 10.2.255.255 ether 00:d0:68:08:2c:ec media: Ethernet autoselect (100baseTX <full-duplex>) status: active lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4 inet 127.0.0.1 netmask 0xff000000 bridge0: flags=8041<UP,RUNNING,MULTICAST> mtu 1500 ether ac:de:48:fe:b7:e0 priority 32768 hellotime 2 fwddelay 15 maxage 20 member: ath0 flags=3<LEARNING,DISCOVER> member: rl0 flags=3<LEARNING,DISCOVER> %dmesg | grep ath0 ath0: <Atheros 5212> mem 0xf8000000-0xf800ffff irq 16 at device 0.0 on pci1 ath0: Ethernet address: 00:15:e9:42:48:88 ath0: mac 7.9 phy 4.5 radio 5.6 There are also about 30 "ath0: device timeout" records in dmesg. >How-To-Repeat: Set up hostap and push some traffic on it. >Fix: none >Release-Note: >Audit-Trail: >Unformatted:
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