From: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-kernel@vger.kernel.org,
kernel-janitor-discuss@lists.sourceforge.net
Subject: Re: AUDIT of 2.5.15 copy_to/from_user
Date: Sat, 18 May 2002 19:55:35 -0300 [thread overview]
Message-ID: <20020518225535.GA4101@conectiva.com.br> (raw)
In-Reply-To: <E179IA6-0002eQ-00@wagner.rustcorp.com.au>
Heads up: I'm finishing a bk changeset for intermezzo, will be submitting
to Linus in some minutes.
- Arnaldo
Em Sun, May 19, 2002 at 02:18:53PM +1000, Rusty Russell escreveu:
> The following uses seem to be incorrect: copy_from_user and
> copy_to_user return the number of bytes NOT copied on failure, not
> -EFAULT.
>
> You can CC: fixups to trivial at rustcorp.com.au.
>
> (I didn't look for cases where the Torvalds/McVoy philosophy says we
> should be returning a partial result on EFAULT: that's more complex).
>
> Thanks,
> Rusty.
> ================
> Some cases are endemic: whole subsystems or drivers where the author
> obviously thought copy_from_user follows the kernel conventions:
>
> Whole Subsystems:
> fs/intermezzo/*.c
<SNIP>
next prev parent reply other threads:[~2002-05-19 4:56 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-19 4:18 AUDIT of 2.5.15 copy_to/from_user Rusty Russell
2002-05-18 22:55 ` Arnaldo Carvalho de Melo [this message]
2002-05-18 23:12 ` [BKPATCH] " Arnaldo Carvalho de Melo
2002-05-18 23:54 ` Arnaldo Carvalho de Melo
2002-05-19 0:14 ` [BKPATCH] OSS: " Arnaldo Carvalho de Melo
2002-05-19 0:19 ` Arnaldo Carvalho de Melo
2002-05-19 1:16 ` Arnaldo Carvalho de Melo
2002-05-19 1:38 ` [BKPATCH] USB: " Arnaldo Carvalho de Melo
2002-05-20 6:07 ` Greg KH
2002-05-19 6:30 ` Kai Germaschewski
2002-05-19 0:45 ` Arnaldo Carvalho de Melo
2002-05-19 1:07 ` [BKPATCH] ISDN: " Arnaldo Carvalho de Melo
2002-05-19 11:44 ` Alan Cox
2002-05-19 12:10 ` Stephen Rothwell
2002-05-19 12:15 ` Rui Sousa
2002-05-19 12:46 ` Alan Cox
2002-05-19 12:58 ` Rui Sousa
2002-05-19 13:43 ` Alan Cox
2002-05-19 17:01 ` Hugh Dickins
2002-05-19 17:36 ` Alan Cox
2002-05-19 17:52 ` David Woodhouse
2002-05-19 18:20 ` Alan Cox
2002-05-19 18:02 ` David Woodhouse
2002-05-19 22:54 ` Alan Cox
2002-05-20 1:38 ` Rusty Russell
2002-05-20 11:47 ` Alan Cox
2002-05-19 12:13 ` Alan Cox
2002-06-07 8:54 ` David S. Miller
2002-05-19 12:48 ` Arnaldo Carvalho de Melo
2002-05-19 17:28 ` Arnaldo Carvalho de Melo
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