From: Florian Weimer <fweimer@redhat.com>
To: "Arsen Arsenović via Libc-alpha" <libc-alpha@sourceware.org>
Cc: "Arsen Arsenović" <arsen@gentoo.org>,
"Carlos O'Donell" <carlos@redhat.com>,
"Gentoo Toolchain" <toolchain@gentoo.org>
Subject: Re: [PATCH] elf,nptl: Add -z lazy -z norelro to tests that need it
Date: Fri, 03 Mar 2023 12:51:37 +0100 [thread overview]
Message-ID: <87bklajbna.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <20230302112519.914641-1-arsen@gentoo.org> ("Arsen =?utf-8?Q?Arsenovi=C4=87?= via Libc-alpha"'s message of "Thu, 2 Mar 2023 12:25:19 +0100")
* Arsen Arsenović via Libc-alpha:
> Some toolchains, such as that used on Gentoo Hardened, set -z now -z
> relro out of the box. These flags break tests that rely on fixups in
> underlinked libraries being applied after a dlopen happens.
I'm surprised that -z norelro is ever required. Why isn't -z lazy
enough? If ld.so crashes because it attempts to apply relocations after
the fact, woudln't that be an ld.so bug (or a linker bug that sets up
the RELRO segment incorrectly)?
Thanks,
Florian
next prev parent reply other threads:[~2023-03-03 11:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-02 11:25 Arsen Arsenović
2023-03-03 11:51 ` Florian Weimer [this message]
2023-03-03 21:54 ` Arsen Arsenović
2023-03-04 17:46 ` Arsen Arsenović
2023-03-06 9:15 ` Florian Weimer
2023-03-06 14:17 ` Arsen Arsenović
2023-03-06 16:42 ` Arsen Arsenović
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