[Desktop-packages] [Bug 1808428] Re: Ping of a link local address with -I as non-root produces "Invalid argument"
Thank you for your bug report, that looks similar to the bug fixed in https://github.com/iputils/iputils/pull/100 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to iputils in Ubuntu. https://bugs.launchpad.net/bugs/1808428 Title: Ping of a link local address with -I as non-root produces "Invalid argument" Status in iputils package in Ubuntu: New Bug description: iputils-ping 3:20161105-1ubuntu2 amd64 18.04.1 LTS In the following, "c7" is a host with the link-local address fe80::5054:ff:fe45:1e87. The mapping is in "/etc/hosts". It is reachable via the "enp2s0" interface on the local machine. I have masked the local machine's MAC address. 1. As a regular (non-root) user, ping returns "Invalid argument": $ ping -I enp2s0 c7 PING c7(c7 (fe80::5054:ff:fe45:1e87)) from fe80:::xxff:fexx:%enp2s0 enp2s0: 56 data bytes ping: sendmsg: Invalid argument ping: sendmsg: Invalid argument ping: sendmsg: Invalid argument 2. As root, ping works: # ping -I enp2s0 c7 PING c7(c7 (fe80::5054:ff:fe45:1e87)) from fe80:::xxff:fexx:%enp2s0 enp2s0: 56 data bytes 64 bytes from c7 (fe80::5054:ff:fe45:1e87%enp2s0): icmp_seq=1 ttl=64 time=0.285 ms 64 bytes from c7 (fe80::5054:ff:fe45:1e87%enp2s0): icmp_seq=2 ttl=64 time=0.306 ms 64 bytes from c7 (fe80::5054:ff:fe45:1e87%enp2s0): icmp_seq=3 ttl=64 time=0.307 ms 3. Specifying the interface-qualified IPv6 address directly works: $ ping fe80::5054:ff:fe45:1e87%enp2s0 PING fe80::5054:ff:fe45:1e87%enp2s0(fe80::5054:ff:fe45:1e87%enp2s0) 56 data bytes 64 bytes from fe80::5054:ff:fe45:1e87%enp2s0: icmp_seq=1 ttl=64 time=0.476 ms 64 bytes from fe80::5054:ff:fe45:1e87%enp2s0: icmp_seq=2 ttl=64 time=0.408 ms 64 bytes from fe80::5054:ff:fe45:1e87%enp2s0: icmp_seq=3 ttl=64 time=0.395 ms To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iputils/+bug/1808428/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
[Desktop-packages] [Bug 1808428] Re: Ping of a link local address with -I as non-root produces "Invalid argument"
** Tags added: bionic -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to iputils in Ubuntu. https://bugs.launchpad.net/bugs/1808428 Title: Ping of a link local address with -I as non-root produces "Invalid argument" Status in iputils package in Ubuntu: New Bug description: iputils-ping 3:20161105-1ubuntu2 amd64 18.04.1 LTS In the following, "c7" is a host with the link-local address fe80::5054:ff:fe45:1e87. The mapping is in "/etc/hosts". It is reachable via the "enp2s0" interface on the local machine. I have masked the local machine's MAC address. 1. As a regular (non-root) user, ping returns "Invalid argument": $ ping -I enp2s0 c7 PING c7(c7 (fe80::5054:ff:fe45:1e87)) from fe80:::xxff:fexx:%enp2s0 enp2s0: 56 data bytes ping: sendmsg: Invalid argument ping: sendmsg: Invalid argument ping: sendmsg: Invalid argument 2. As root, ping works: # ping -I enp2s0 c7 PING c7(c7 (fe80::5054:ff:fe45:1e87)) from fe80:::xxff:fexx:%enp2s0 enp2s0: 56 data bytes 64 bytes from c7 (fe80::5054:ff:fe45:1e87%enp2s0): icmp_seq=1 ttl=64 time=0.285 ms 64 bytes from c7 (fe80::5054:ff:fe45:1e87%enp2s0): icmp_seq=2 ttl=64 time=0.306 ms 64 bytes from c7 (fe80::5054:ff:fe45:1e87%enp2s0): icmp_seq=3 ttl=64 time=0.307 ms 3. Specifying the interface-qualified IPv6 address directly works: $ ping fe80::5054:ff:fe45:1e87%enp2s0 PING fe80::5054:ff:fe45:1e87%enp2s0(fe80::5054:ff:fe45:1e87%enp2s0) 56 data bytes 64 bytes from fe80::5054:ff:fe45:1e87%enp2s0: icmp_seq=1 ttl=64 time=0.476 ms 64 bytes from fe80::5054:ff:fe45:1e87%enp2s0: icmp_seq=2 ttl=64 time=0.408 ms 64 bytes from fe80::5054:ff:fe45:1e87%enp2s0: icmp_seq=3 ttl=64 time=0.395 ms To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iputils/+bug/1808428/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
