[Bug 982961] Re: "RATEEST" and "statistic" modules are broken

Bryce Harrington 982961 at bugs.launchpad.net
Thu Jan 31 19:50:59 UTC 2013


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** Changed in: iptables (Ubuntu Precise)
       Status: In Progress => Fix Committed

** Changed in: iptables (Ubuntu Quantal)
       Status: In Progress => Fix Committed

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Title:
  "RATEEST" and "statistic" modules are broken

Status in “iptables” package in Ubuntu:
  Fix Released
Status in “iptables” source package in Precise:
  Fix Committed
Status in “iptables” source package in Quantal:
  Fix Committed

Bug description:
  [Impact]
  The RATEEST and statistic modules in iptables do not work correctly because they were not built properly. By linking these modules against -lm the modules work correctly.

  [Test Case]
  Run the following:

  # iptables -m RATEEST
  /lib/xtables/libxt_RATEEST.so: /lib/xtables/libxt_RATEEST.so: undefined symbol: log
  iptables v1.4.12: Couldn't load match `RATEEST':Success

  Try `iptables -h' or 'iptables --help' for more information.

  # iptables -m statistic
  /lib/xtables/libxt_statistic.so: /lib/xtables/libxt_statistic.so: undefined symbol: lround
  iptables v1.4.12: Couldn't load match `statistic':Success

  To pass the test we shouldn't see 'undefined symbol' for lround/log.

  [Regression Potential]
  These patches are cherry-picked from upstream iptables. 
  They only add -lm when building RATEEST and statistics modules.

  --

  # iptables -m RATEEST
  /lib/xtables/libxt_RATEEST.so: /lib/xtables/libxt_RATEEST.so: undefined symbol: log
  iptables v1.4.12: Couldn't load match `RATEEST':Success

  Try `iptables -h' or 'iptables --help' for more information.

  # iptables -m statistic
  /lib/xtables/libxt_statistic.so: /lib/xtables/libxt_statistic.so: undefined symbol: lround
  iptables v1.4.12: Couldn't load match `statistic':Success

  Try `iptables -h' or 'iptables --help' for more information.

  This two modules should be linked against -lm

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