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Systemd-implementation of "rm -rf" Buggy, Could Erase Root Partition

posted by cmn32480 on Monday April 17 2017, @08:34PM   Printer-friendly
from the people-that-live-in-a-bubble dept.

Soylentbob writes:

Edit: The link.

There were lots of good titles for this submission, as in "Breaking news: Poettering clueless?" to finally disprove Betteridge's law, or "systemd surprisingly not as good as advertised" or "Breaking new: systemd broken" or "Poettering censors critics after epic fail".

Systemd implementation of "rm -rf .*" will follow ".." to upper directory and erase /

How to reproduce:
        # mkdir -p /foo/dir{1,2}

        # touch /foo/.bar{1,2}

        # cat /etc/tmpfiles.d/test.conf

        R! /foo/.* - - - - -

        Reboot.

After the issue was fixed, finally Poettering added this gem of wisdom:

I am not sure I'd consider this much of a problem. Yeah, it's a UNIX pitfall, but "rm -rf /foo/.*" will work the exact same way, no?

The answer to this question, as many clarified for him, obviously is a loud "NO!". After being told a couple of times in no uncertain terms, the thread was closed for non-developers

poettering locked and limited conversation to collaborators 4 hours ago

for which I proposed the "freedom-of-speech" department (although I admit it is a weak proposal).

Original Submission

 
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  • (Score: 0) by Anonymous Coward on Tuesday April 18 2017, @09:39AM

    by Anonymous Coward on Tuesday April 18 2017, @09:39AM (#495767)

    Here, look at my virtue! It's this big! Really! And now that it has been "triggered" by some AC, who keeps saying he is leaving, my virtue is getting even bigger. In fact, stand back! I don't know how big this virtue is going to get! Perhaps if I signaled for some "virtue reduction", if you know what I mean! Heh, heh, heh.

    Meanwhile lots of people virtue signaling because an AC triggered them.