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Date: Mon, 12 Oct 2020 11:36:37 -0400
From: Rich Felker <dalias@...c.org>
To: libc-coord@...ts.openwall.com
Cc: Szabolcs Nagy <szabolcs.nagy@....com>, libc-alpha@...rceware.org
Subject: Re: Re: [PATCH] sysconf: Add
_SC_MINSIGSTKSZ/_SC_SIGSTKSZ [BZ #20305]
On Mon, Oct 12, 2020 at 03:37:19PM +0100, Dave Martin wrote:
> For arm64 we have an explicit opt-in for monster signal frames, so
> we could apply a larger threshold in that case. In the interest of
> compatibility we don't do this at present so, yes, you can register a
> signal stack that is definitely too small today.
>
> x86 has no explicit opt-in, so it might be tricker to raise the
> threshold there.
Is there any chance we could get the kernel folks to fix this and make
it explicit opt-in on x86 (and all archs)?
Rich
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