linux-kernel - Re: [PATCH] tools/nolibc: s390: disable stackprotector in

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Message-ID: <ZG47lJR+mRwtTfeQ@1wt.eu>
Date:   Wed, 24 May 2023 18:30:12 +0200
From:   Willy Tarreau <w@....eu>
To:     Thomas Weißschuh <linux@...ssschuh.net>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools/nolibc: s390: disable stackprotector in _start

On Wed, May 24, 2023 at 06:27:06PM +0200, Thomas Weißschuh wrote:
> s390 does not support the "global" stack protector mode that is
> implemented in nolibc.
> 
> Now that nolibc detects if stack protectors are enabled at runtime it
> could happen that a future compiler does indeed use global mode on
> and nolibc would compile but segfault at runtime.
> 
> To avoid this hypothetic case and to align s390 with the other
> architectures disable stack protectors when compiling _start().
(...)

Queued, same branch. Thanks Thomas!
Willy