Public bug reported:
Investigating an issue for CTDB (LP: #722201), after suggesting a fix on
ss syntax to CTDB upstream project, we discovered that "ss" seems to be
broken in Ubuntu since Ubuntu Cosmic:
----
# Debian Sid
inaddy@workstation:~$ ss -tn state established "( src [172.16.17.2] || src
[172.16.17.3] )" "( sport == :2049 )"
Recv-Q Send-Q Local Address:Port
Peer Address:Port
# Ubuntu Ubuntu 16.04 LTS (Xenial Xerus)
(c)inaddy@xenial:~$ ss -tn state established "( src [172.16.17.2] || src
[172.16.17.3] )" "( sport == :2049 )"
Recv-Q Send-Q Local Address:Port
Peer Address:Port
# Ubuntu 18.04 LTS (Bionic Beaver)
(c)inaddy@bionic:~$ ss -tn state established "( src [172.16.17.2] || src
[172.16.17.3] )" "( sport == :2049 )"
Recv-Q Send-Q Local Address:Port
Peer Address:Port
# Ubuntu 18.10 (Cosmic Cuttlefish)
(c)inaddy@cosmic:~$ ss -tn state established "( src [172.16.17.2] || src
[172.16.17.3] )" "( sport == :2049 )"
ss: bison bellows (while parsing filter): "syntax error!" Sorry.
Usage: ss [ OPTIONS ]
ss [ OPTIONS ] [ FILTER ]
-h, --help this message
# Ubuntu 19.04 (Disco Dingo)
(c)inaddy@disco:~$ ss -tn state established "( src [172.16.17.2] || src
[172.16.17.3] )" "( sport == :2049 )"
ss: bison bellows (while parsing filter): "syntax error!" Sorry.
Usage: ss [ OPTIONS ]
ss [ OPTIONS ] [ FILTER ]
# Ubuntu 19.10 (Eoan Ermine)
(c)inaddy@eoan:~$ ss -tn state established "( src [172.16.17.2] || src
[172.16.17.3] )" "( sport == :2049 )"
ss: bison bellows (while parsing filter): "syntax error!" Sorry.
Usage: ss [ OPTIONS ]
ss [ OPTIONS ] [ FILTER ]
----
I have generated a pkg using upstream iproute2 source code and it does
not suffer the issue. I have generated a package using Ubuntu cosmic
source package, without debian/patches/*, and verified the issue still
persists (not being introduced by any of our packages, and being present
if vanilla upstream version used in Cosmic).
** Affects: iproute2 (Ubuntu)
Importance: Medium
Assignee: Rafael David Tinoco (rafaeldtinoco)
Status: In Progress
** Changed in: iproute2 (Ubuntu)
Status: New => Incomplete
** Changed in: iproute2 (Ubuntu)
Status: Incomplete => In Progress
** Changed in: iproute2 (Ubuntu)
Importance: Undecided => High
** Changed in: iproute2 (Ubuntu)
Importance: High => Medium
** Changed in: iproute2 (Ubuntu)
Assignee: (unassigned) => Rafael David Tinoco (rafaeldtinoco)
** Changed in: iproute2 (Ubuntu)
Milestone: None => eoan-updates
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https://bugs.launchpad.net/bugs/1831775
Title:
ss seems broken when using multiple filters in the same cmdline
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