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Bug 1202858 – Restarting squid results in deleting all files in hard-drive

bugzilla.redhat.com

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Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#91

Post by iso8859-1 »

hk__2 wrote: post #73
JoshTriplett wrote: post #55

Earlier quoted context omitted.

That won't actually help with rm -rf /* , only with rm -rf * in / or $HOME.

Would it work with `touch "/ -@"` (not the space)?

how would changing the filename fix it? it's a hack relying on the globbing of the shell. if you're not using the globbing, the hack can never help you.

Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#92

Post by stbenjam »

kevan wrote: post #3

I love how deadpan the bug report is: Actual results: All files are deleted on the machine. Expected results: Squid is restarted. Not many details yet but it sounds similar to the Steam bug [0] from last year. [0] https://github.com/valvesoftware/steam-for-linux/issues/3671

Except the Valve bug passed their QE process if any and got out into the wild. This is for an unreleased version of RHEL, and was caught....

Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#93

Post by jamespo »

cssmoo wrote: post #69
oogway wrote: post #14

Earlier quoted context omitted.

Well, the bug was reported against RHEL 6.7 which has not been released yet.

RH don't have a great reputation here. Unlike Debian which does proper triage and practices "zero release-critical bugs", RH threw out RHEL7 with loads of critical issues still open.

Ah yes, like good old DSA-1571-1

Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#94

Post by a3_nm »

hk__2 wrote: post #73
JoshTriplett wrote: post #55

Earlier quoted context omitted.

That won't actually help with rm -rf /* , only with rm -rf * in / or $HOME.

Would it work with `touch "/ -@"` (not the space)?

No, it doesn't work. "./*" expands to "./ -@" as a single field, which rm has no problems with. (Note that, however, this is still the globbing of the shell, as far as I understand.)

Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#95

Post by lmm »

cellularmitosis wrote: post #40
fermigier wrote: post #2

Scary. Even more scary is the fact that the bug has been open for a week, one person has confirmed 100% reproducibility, and no one seems to care at Red Hat. Isn't deleting peoples hard drives a big no no ?

Ahh Redhat, the distro which chose to symlink a bunch of binary lib files from Apache into the etc directory. "Why is grepping /etc taking so long? Binary files in /etc?!? WTF?!?" Coming from Debian, Redhat seems to make a lot of irk-worthy choices.

As opposed to Debian, the distro which chooses to break tomcat (a program which unzips into a single folder and is thereby completely self-contained) up into a million different pieces and scatter them randomly all over your hard drive?

Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#96

Post by lmm »

TheDong wrote: post #25
smrtinsert wrote: post #18

Earlier quoted context omitted.

It's hard to trust anyone that would ever depend on such a variable without having some sort of precondition.

"it's hard to trust anyone that writes a dumb bug". Listen to yourself. We've all written dumb bugs. We've all had that one line of code that was an obvious mistake. I still trust people who write a bug here and there because if I didn't I would have to forgo trusting everyone for everyone makes dumb mistakes sometimes.

At this point I refuse to trust anyone who writes shell scripts. Bugs happen, but a shell script is practically guaranteed to have zero automated tests and variable-related bugs are all too common.

Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#97

Post by 4ad »

viraptor wrote: post #7
kevan wrote: post #3

I love how deadpan the bug report is: Actual results: All files are deleted on the machine. Expected results: Squid is restarted. Not many details yet but it sounds similar to the Steam bug [0] from last year. [0] https://github.com/valvesoftware/steam-for-linux/issues/3671

I would bet on the issue being in the init script itself rather than squid. (I'm assuming squid doesn't run as root by default in rhel) If that's true then it's another point for more sane process managers (upstart/supervisord/systemd/...)

RHEL uses systemd.

Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#98

Post by bonzini »

4ad wrote: post #97
viraptor wrote: post #7

Earlier quoted context omitted.

I would bet on the issue being in the init script itself rather than squid. (I'm assuming squid doesn't run as root by default in rhel) If that's true then it's another point for more sane process managers (upstart/supervisord/systemd/...)

RHEL uses systemd.

This is RHEL6.7, it doesn't use systemd.

Re: Bug 1202858 – Restarting squid results in deleting all files in hard-drive

#100

Post by Xylakant »

4ad wrote: post #99
bonzini wrote: post #98

Earlier quoted context omitted.

This is RHEL6.7, it doesn't use systemd.

Oh, I see.

Specifically, this bug would not have happened with systemd since systemd does not leave the handling of pid-files and pid-dirs to shell-scripts.
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