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Message-ID: <1286e416-808c-9795-f76d-d8efa7c0125f@adelielinux.org>
Date: Wed, 12 Feb 2020 08:13:12 -0600
From: "A. Wilcox" <awilfox@...lielinux.org>
To: musl@...ts.openwall.com
Subject: Re: execvp() behaviour with unrecognized file header
On 12/02/2020 07:54, Alexander Scherbatiy wrote:
> Hello,
>
> execvp() works differently on Linux Alpine and Ubuntu if it is called
> with a file which does not contain a proper shebang line. The file is
> executed on Ubuntu. It results to ENOEXEC error on Linux Alpine.
>
> man execvp on Ubuntu has description: "If the header of a file isn't
> recognized (the attempted execve(2) failed with the error ENOEXEC),
> these functions will execute the shell (/bin/sh) with the path of the
> file as its first argument."
>
> Does execvp() from musl behaves differently by purpose in this case?
This has been discussed before on this list:
https://www.openwall.com/lists/musl/2018/03/09/1
Since this is non-conformant to POSIX, Adélie integrated quinq's patch:
https://code.foxkit.us/adelie/musl/commit/16cbbea8e97d08e0fc6e9ccda0cf8b6e87ed6b82
Best,
--arw
--
A. Wilcox (awilfox)
Project Lead, Adélie Linux
https://www.adelielinux.org
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