[Bug 709561] New: system hangs on ping -R through "bridge over vlan over bond" interface - openSUSE Bugs - openSUSE Mailing Lists

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[Bug 709561] New: system hangs on ping -R through "bridge over vlan over bond" interface

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bugzilla_noreply＠novell.com

1 Aug 2011 1 Aug '11

12:56

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c0 Summary: system hangs on ping -R through "bridge over vlan over bond" interface Classification: openSUSE Product: openSUSE 11.4 Version: Final Platform: x86-64 OS/Version: openSUSE 11.4 Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: ccrssaa@karelia.ru QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; ru; rv:1.9.1.19) Gecko/20110420 SUSE/2.0.14-0.2.1 SeaMonkey/2.0.14 Xeon E5620, MB with two Intel 82576 NICs (Supermicro x8DTH-6F actually) clean openSUSE 11.4 installation, kernel 2.6.37.6-0.5 (xen, default) Both NICs are connected to switch Ports are in trunk mode with tagged membership for vlan 1, LACP enabled NICs (eth0, eth1) are bonded (bond0) vlan over bond (bond0.1) created bridge created (br0) and vlan added to the bridge system hangs on ping -R through the bridge Reproducible: Always Steps to Reproduce: 1. modprobe igb 2. modprobe bonding mode=802.3ad miimon=100 3. ifconfig bond0 up 4. ifenslave bond0 eth0 5. ifenslave bond0 eth1 6. modprobe 8021q 7. vconfig add bond0 1 8. ifconfig bond0.1 192.168.1.11 netmask 255.255.255.0 up 9. ping 192.168.1.1 - get response, press ^C 10. ping -R 192.168.1.1 - get response, press ^C 11. ifconfig bond0.1 0.0.0.0 12. brctl addbr br0 13. brctl addif br0 bond0.1 14. ifconfig br0 192.168.1.11 netmask 255.255.255.0 up 15. ping 192.168.1.1, get response, press ^C 16. ping -R 192.168.1.1 - system crashes Actual Results: system hangs Expected Results: pong same problem for -default and -xen kernels same problem for other vlan ids (!= 1) TCP works without problems (at least ssh) comments/patches are welcome -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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1 Aug 1 Aug

13:34

New subject: [Bug 709561] system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c Vadim Ponomarev changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P5 - None |P2 - High -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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14:24

New subject: [Bug 709561] system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c1 --- Comment #1 from Vadim Ponomarev 2011-08-01 14:24:31 UTC --- seems that only ping -R <ip-in-the-same-network> causes crash -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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2 Aug 2 Aug

12:26

New subject: [Bug 709561] system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c2 --- Comment #2 from Vadim Ponomarev 2011-08-02 12:26:49 UTC --- same problem with 2.6.37.6-0.7 kernel -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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3 Aug 3 Aug

12:07

New subject: [Bug 709561] system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c3 --- Comment #3 from Vadim Ponomarev 2011-08-03 12:07:06 UTC --- same problem without bonding (and port aggregation & LACP removed on the switch) only bridge with vlan connected modprobe igb ifconfig eth0 up modprobe 8021q vconfig add eth0 1 ifconfig eth0.1 up brctl addbr br0 brctl addif br0 eth0.1 ifconfig br0 192.168.1.11 netmask 255.255.255.0 up ping 192.168.1.1 ^C ping -R 192.168.1.1 --> crash there must be 192.168.1.1 connected to the same vlan and alive, ping -R without answer will not cause crash vlan without bridge has no problem local user DoS, isn't it ? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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12:27

New subject: [Bug 709561] system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c4 --- Comment #4 from Vadim Ponomarev 2011-08-03 12:27:08 UTC --- tcpdump @ 192.168.1.1: 16:25:34.416146 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 124, options (NOP,RR 192.168.1.11, 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0)) 192.168.1.11 > 192.168.1.1: ICMP echo request, id 6271, seq 1, length 64 16:25:34.416212 IP (tos 0x0, ttl 64, id 3685, offset 0, flags [none], proto ICMP (1), length 124, options (RR 192.168.1.11, 192.168.1.1, 192.168.1.1, 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0,EOL)) 192.168.1.1 > 192.168.1.11: ICMP echo reply, id 6271, seq 1, length 64 16:25:39.414914 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 192.168.1.11 tell 192.168.1.1, length 28 .. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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12 Sep 12 Sep

18:59

New subject: [Bug 709561] system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c5 --- Comment #5 from Vadim Ponomarev 2011-09-12 18:59:12 UTC --- remote DoS actually openSUSE 11.4, kernel 2.6.37.6-0.7-xen dom0 /etc/sysconfig/network/ifcfg-bond0: BOOTPROTO='static' BONDING_MASTER='yes' BONDING_SLAVE_0='eth0' BONDING_SLAVE_1='eth1' BONDING_MODULE_OPTS='mode=balance-xor miimon=100' BROADCAST='' ETHTOOL_OPTIONS='' IPADDR='' MTU='' NAME='' NETWORK='' REMOTE_IPADDR='' STARTMODE='auto' USERCONTROL='no' /etc/sysconfig/network/ifcfg-br0: BOOTPROTO='static' BRIDGE='yes' BRIDGE_FORWARDDELAY='0' BRIDGE_PORTS='bond0' BRIDGE_STP='off' BROADCAST='' ETHTOOL_OPTIONS='' IPADDR='192.168.x.y/z' MTU='' NAME='' NETWORK='' REMOTE_IPADDR='' STARTMODE='auto' USERCONTROL='no' some domUs running with virtual NICs attached to br0 vif=[ 'mac=00:16:3e:aa:bb:cc,bridge=br0', ] ping -R any-domU-running-on-192.168.x.y from remote machine causes dom0 crash (at least network subsystem, unfortunately remote console is not available on that host) any ideas ? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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19:29

New subject: [Bug 709561] system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c6 Marcus Meissner changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |meissner@suse.com --- Comment #6 from Marcus Meissner 2011-09-12 19:29:00 UTC --- can you get some form of backtrace? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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13 Sep 13 Sep

04:05

New subject: [Bug 709561] system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c7 --- Comment #7 from Vadim Ponomarev 2011-09-13 04:05:36 UTC --- In all cases (#c0, #c3, #c5) system dies without any message to syslog or console Is there any other way to get backtrace ? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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16 Sep 16 Sep

13:42

New subject: [Bug 709561] VUL-0: kernel: system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c Ludwig Nussel changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P2 - High |P0 - Crit Sit CC| |security-team@suse.de Summary|system hangs on ping -R |VUL-0: kernel: system hangs |through "bridge over vlan |on ping -R through "bridge |over bond" interface |over vlan over bond" | |interface Severity|Critical |Major -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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13:42

New subject: [Bug 709561] VUL-0: kernel: system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c Ludwig Nussel changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P0 - Crit Sit |P2 - High -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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18 Sep 18 Sep

08:38

New subject: [Bug 709561] VUL-0: kernel: system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c8 --- Comment #8 from Vadim Ponomarev 2011-09-18 08:38:48 UTC --- TWIMC - installed kernel 3.0.4-2-xen from http://download.opensuse.org/repositories/Kernel:/stable/standard/ as a workaround ping -R doesn't work ("bad cksum"), but at least no dom0 crash # tcpdump -n -v -i br0 .. 12:32:52.430796 IP (tos 0x0, ttl 63, id 64146, offset 0, flags [none], proto ICMP (1), length 124, options (RR 192.168.xx.xx, 192.168.xx.xx, 192.168.xx.xx, 192.168.xx.xx, 192.168.xx.xx, 0.0.0.0, 0.0.0.0 0.0.0.0 0.0.0.0,EOL), bad cksum d53b (->d13b)!) .. configurations is the same as in #c5, but dom0 kernel changed to 3.0.4-2-xen -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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11 Oct 11 Oct

13:37

New subject: [Bug 709561] VUL-0: kernel: system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c Jiri Kosina changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|kernel-maintainers@forge.pr |jbohac@suse.com |ovo.novell.com | -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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27 Oct 27 Oct

11:35

New subject: [Bug 709561] VUL-0: kernel: system hangs on ping -R through "bridge over vlan over bond" interface

https://bugzilla.novell.com/show_bug.cgi?id=709561 https://bugzilla.novell.com/show_bug.cgi?id=709561#c9 Vadim Ponomarev changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P2 - High |P1 - Urgent Severity|Major |Critical --- Comment #9 from Vadim Ponomarev 2011-10-27 11:35:31 UTC --- turned out that no vlan and/or bond required, only bridge with ethernet interface connected openSUSE 11.4, kernel 2.6.37.6-0.7-xen dom0 /etc/sysconfig/network/ifcfg-br0: BOOTPROTO='static' BRIDGE='yes' BRIDGE_FORWARDDELAY='0' BRIDGE_PORTS='eth0' BRIDGE_STP='off' BROADCAST='' IPADDR='10.0.xx.yy/24' ETHTOOL_OPTIONS='' MTU='' NAME='' NETWORK='' REMOTE_IPADDR='' STARTMODE='auto' USERCONTROL='no' some domUs running with virtual NICs attached to br0 vif=[ 'mac=00:16:3e:xx:xx:xx,bridge=br0', ] ping -R any-domU-running-on-10.0.xx.yy from remote machine -> dom0 hangs -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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