Public bug reported:

nftables is being used successfully with no difficulty.

Running iptables on my node receives a crash:

$ sudo iptables -nL
free(): double free detected in tcache 2
Aborted (core dumped)

without sudo

# iptables -nL
free(): double free detected in tcache 2
Aborted (core dumped)

This bug is known and was fixed in version 1.8.8 of iptables
https://git.netfilter.org/iptables/commit/?id=4318961230bce82958df82b57f1796143bf2f421


1) The release of Ubuntu

$ lsb_release -rd
Description:    Ubuntu 22.04.3 LTS
Release:        22.04

2) The version of the package

$ apt info iptables
Package: iptables
Version: 1.8.7-1ubuntu5.1

3) What you expected to happen

not to crash with valid, working nftables rules

4) What happened instead

crash


A plausible workaround could be a backport of iptables 1.8.9 from mantic

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: iptables 1.8.7-1ubuntu5.1
ProcVersionSignature: Ubuntu 5.15.0-91.101-generic 5.15.131
Uname: Linux 5.15.0-91-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: pass
CloudArchitecture: x86_64
CloudID: none
CloudName: none
CloudPlatform: none
CloudSubPlatform: config
Date: Sun Jan 14 20:36:59 2024
InstallationDate: Installed on 2021-11-23 (782 days ago)
InstallationMedia: Ubuntu-Server 20.04.3 LTS "Focal Fossa" - Release amd64 
(20210824)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: iptables
UpgradeStatus: Upgraded to jammy on 2023-04-30 (259 days ago)

** Affects: iptables (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy uec-images

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to iptables in Ubuntu.
https://bugs.launchpad.net/bugs/2049318

Title:
  free(): double free detected in tcache 2

Status in iptables package in Ubuntu:
  New

Bug description:
  nftables is being used successfully with no difficulty.

  Running iptables on my node receives a crash:

  $ sudo iptables -nL
  free(): double free detected in tcache 2
  Aborted (core dumped)

  without sudo

  # iptables -nL
  free(): double free detected in tcache 2
  Aborted (core dumped)

  This bug is known and was fixed in version 1.8.8 of iptables
  
https://git.netfilter.org/iptables/commit/?id=4318961230bce82958df82b57f1796143bf2f421

  
  1) The release of Ubuntu

  $ lsb_release -rd
  Description:  Ubuntu 22.04.3 LTS
  Release:      22.04

  2) The version of the package

  $ apt info iptables
  Package: iptables
  Version: 1.8.7-1ubuntu5.1

  3) What you expected to happen

  not to crash with valid, working nftables rules

  4) What happened instead

  crash

  
  A plausible workaround could be a backport of iptables 1.8.9 from mantic

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: iptables 1.8.7-1ubuntu5.1
  ProcVersionSignature: Ubuntu 5.15.0-91.101-generic 5.15.131
  Uname: Linux 5.15.0-91-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CloudArchitecture: x86_64
  CloudID: none
  CloudName: none
  CloudPlatform: none
  CloudSubPlatform: config
  Date: Sun Jan 14 20:36:59 2024
  InstallationDate: Installed on 2021-11-23 (782 days ago)
  InstallationMedia: Ubuntu-Server 20.04.3 LTS "Focal Fossa" - Release amd64 
(20210824)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: iptables
  UpgradeStatus: Upgraded to jammy on 2023-04-30 (259 days ago)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/iptables/+bug/2049318/+subscriptions


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