A backdoor in xz [LWN.net]

A backdoor in xz

Posted Mar 31, 2024 3:51 UTC (Sun) by Cyberax (✭ supporter ✭, #52523)
In reply to: A backdoor in xz by DimeCadmium
Parent article: A backdoor in xz

> What about it? Both work fine for me, I have 3 VPNs and occasionally wireless (tethering via my phone).

Now try to make sure that the daemon does not come up until at least one network interface is up. Or until the VPN connection is established.

> That's not true (PR_SET_CHILD_SUBREAPER).

That's true in classic SysV. The subreaper was introduced only in Linux 3.4

> Huh? inittab is a config file.

If you're talking about SysV "simplicity", then you should at least learn it. Classic inittab supports respawning processes on death (action=respawn).

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A backdoor in xz

Posted Mar 31, 2024 6:18 UTC (Sun) by DimeCadmium (subscriber, #157243) [Link]

> Now try to make sure that the daemon does not come up until at least one network interface is up. Or until the VPN connection is established.

Done and done.

> That's true in classic SysV. The subreaper was introduced only in Linux 3.4

... okay?

> If you're talking about SysV "simplicity", then you should at least learn it. Classic inittab supports respawning processes on death (action=respawn).

I know it, thanks. That's not a separate program. That's part of init. Controlled by the configuration file, inittab. If you're going to act like you know something better than someone else, then you should at least learn it.