From: Arnd Bergmann <arnd@arndb.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Arjan van de Ven <arjan@infradead.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Ingo Molnar <mingo@elte.hu>, David Miller <davem@davemloft.net>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: strict copy_from_user checks issues?
Date: Sat, 9 Jan 2010 09:01:36 +0100 [thread overview]
Message-ID: <201001090901.37208.arnd@arndb.de> (raw)
In-Reply-To: <4B47C984.1080903@zytor.com>
On Saturday 09 January 2010, H. Peter Anvin wrote:
> > return put_user(data, uptr);
> >
> > The latter form requires a macro instead of a function for the user copy,
> > but we now have that anyway because of the size check.
> >
>
> Well... we already have the latter form?
Right, but my suggestion was to extend that do data structures in
addition to the scalars we are supporting now.
Arnd
next prev parent reply other threads:[~2010-01-09 8:01 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-04 15:43 strict copy_from_user checks issues? Heiko Carstens
2010-01-05 1:43 ` Arjan van de Ven
2010-01-05 7:35 ` Ingo Molnar
2010-01-05 9:48 ` Heiko Carstens
2010-01-05 12:47 ` Arnd Bergmann
2010-01-05 13:19 ` Heiko Carstens
2010-01-05 13:31 ` Arjan van de Ven
2010-01-05 15:22 ` [PATCH] sparc: copy_from_user() should not return -EFAULT Heiko Carstens
2010-01-05 17:27 ` Andi Kleen
2010-01-05 20:47 ` David Miller
2010-01-06 3:20 ` Arjan van de Ven
2010-01-05 17:55 ` Arnd Bergmann
2010-01-06 4:42 ` David Miller
2010-01-05 22:15 ` [tip:x86/urgent] x86: " tip-bot for Heiko Carstens
2010-01-05 13:34 ` strict copy_from_user checks issues? Arjan van de Ven
2010-01-05 13:36 ` Arjan van de Ven
2010-01-05 13:45 ` Arnd Bergmann
2010-01-05 13:52 ` Arjan van de Ven
2010-01-05 15:20 ` Arnd Bergmann
2010-01-05 21:44 ` H. Peter Anvin
2010-01-07 14:02 ` Arnd Bergmann
2010-01-07 23:57 ` H. Peter Anvin
2010-01-09 0:07 ` Arnd Bergmann
2010-01-09 0:10 ` H. Peter Anvin
2010-01-09 8:01 ` Arnd Bergmann [this message]
2010-01-09 20:57 ` H. Peter Anvin
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