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Date: Thu, 29 Mar 2012 10:58:33 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Kees Cook <keescook@google.com>
CC: "Ted Ts'o" <tytso@mit.edu>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Correct way to include siginfo.h?
References: <CAGXu5jK3ezCN2=hy=AARh=T9L8YzCTKAXH6dbAH7FGX3P8VkoQ@mail.gmail.com> <20120327172133.GB10142@thunk.org> <CAGXu5jJx85b2ysgx2aXWUUf4dJMc34Cukp3S1VKiC_Pc5U2+Pw@mail.gmail.com> <20120327173744.GD10142@thunk.org> <CAGXu5j+itrR6cCWpXZAA0ZEP2KhdHdhcYA-R6pc=B97a_rHbaQ@mail.gmail.com>
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On 03/27/2012 11:01 AM, Kees Cook wrote:
> 
> No, siginfo, IIUC, is defined to be SI_MAX_SIZE bytes. The union for
> seccomp (on SIGSYS) just uses a long and 2 ints. It'd be nice for
> there to be a stable way to get the kernel's siginfo instead of
> glibc's.
> 

Make it safe for the kernel to export and make glibc use the kernel's
version, just like everything else...

	-hpa