[FS#944] firewall3 isn't holding iptables lock

LEDE Bugs lede-bugs at lists.infradead.org
Tue Aug 1 03:46:51 PDT 2017

A new Flyspray task has been opened.  Details are below. 

User who did this - Charlemagne Lasse (charlemagnelasse) 

Attached to Project - LEDE Project
Summary - firewall3 isn't holding iptables lock
Task Type - Bug Report
Category - Packages
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - I was first thinking that my missing iptables rules are related to the bug FS#943. But it looks like firewall3 is not holding the iptables lock via the option "-w". This is unsafe because multiple iptables process may try to change a table at the same time and thus overwrite the final results of another iptables process.

The -w functionality for iptables-restore can be found in https://git.netfilter.org/iptables/commit/?id=999eaa241212d3952ddff39a99d0d55a74e3639e

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