linux-kernel - Re: [RFC PATCH v19 1/5] exec: Add a new AT

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Message-ID: <87ed83etpk.fsf@oldenburg.str.redhat.com>
Date: Mon, 08 Jul 2024 18:25:59 +0200
From: Florian Weimer <fweimer@...hat.com>
To: Jeff Xu <jeffxu@...gle.com>
Cc: Mickaël Salaün <mic@...ikod.net>,  Al Viro
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Subject: Re: [RFC PATCH v19 1/5] exec: Add a new AT_CHECK flag to execveat(2)

* Jeff Xu:

> Will dynamic linkers use the execveat(AT_CHECK) to check shared
> libraries too ?  or just the main executable itself.

I expect that dynamic linkers will have to do this for everything they
map.  Usually, that does not include the maim program, but this can
happen with explicit loader invocations (“ld.so /bin/true”).

Thanks,
Florian