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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.
Cheers