Devuan bug report logs - #498
libc6: Permission denied, intermittent in execve

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Package: libc6; Maintainer for libc6 is (unknown);

Reported by: Alessandro Vesely <vesely@tana.it>

Date: Mon, 27 Jul 2020 08:48:01 UTC

Severity: normal

Tags: debian

Merged with 497

Found in version 2.28-10

Forwarded to https://bugs.debian.org/966343

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Date: Mon, 27 Jul 2020 10:14:01 +0100
From: Mark Hindley <mark@hindley.org.uk>
To: Alessandro Vesely <vesely@tana.it>, 498@bugs.devuan.org
Subject: Re: bug#498: libc6: Permission denied, intermittent in execve
Message-ID: <20200727091401.GQ3011@hindley.org.uk>
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Control: forcemerge 498 497
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Alessandro

On Mon, Jul 27, 2020 at 10:32:15AM +0200, Alessandro Vesely wrote:
> Package: libc6
> Version: GNU C Library (Debian GLIBC 2.28-10) stable release version 2.28.
> Severity: normal
> 
> 
> -------- Forwarded Message --------
> Subject: libc6: Permission denied, intermittent in execve
> Date: Mon, 27 Jul 2020 10:25:27 +0200
> From: Alessandro Vesely <vesely@tana.it>
> To: Devuan Bug Tracking System <submit@bugs.devuan.org>
> 
> 
> Dear Maintainer,
> 
> in certain situations, execve fails setting errno to EACCESS.  The same
> program, launched by the same user in different ways, succeeds or fails
> according to preceding actions.

Thanks for this. As you have realised, libc6 is a Debian package that Devuan
uses directly without recompilation so this issue is correctly dealt with in
Debian's BTS.

However, one thought that occurs to me is whether apparmor is causing this? Does
disabling it[1] restore predictable behaviour?

Thanks.

Mark


[1]  https://wiki.debian.org/AppArmor/HowToUse#Diagnose_if_a_bug_might_have_been_caused_by_AppArmor


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