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Re: Seg fault on "echo ~nosuchuser"

From: Ángel
Subject: Re: Seg fault on "echo ~nosuchuser"
Date: Tue, 02 Jun 2020 01:58:32 +0200

On 2020-06-01 at 15:12 -0400, Chet Ramey wrote:
> I finally found a case where 16-byte alignment for memory returned by
> malloc() is required. But it's only on Linux systems that use systemd.
> I bet it's trying to marshal arguments for IPC and uses instructions
> that require 16-byte alignment.
> Thanks for your help verifying this.
> Chet

You mean that with systemd getpwnam() crashes if using a malloc() that
returns addresses not 16-byte aligned?

Cornercase, surely, but it seems like a bug in whatever is assuming such
alignment. That's not even pointer-size alignment.


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