linux-kernel - Re: mmotm 2013-03-01-15-50 uploaded (strict user copy)

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Message-ID: <51316B64.90102@infradead.org>
Date:	Fri, 01 Mar 2013 19:00:52 -0800
From:	Randy Dunlap <rdunlap@...radead.org>
To:	akpm@...ux-foundation.org
CC:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-next@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>
Subject: Re: mmotm 2013-03-01-15-50 uploaded (strict user copy)

On 03/01/13 15:51, akpm@...ux-foundation.org wrote:
> The mm-of-the-moment snapshot 2013-03-01-15-50 has been uploaded to
> 
>    http://www.ozlabs.org/~akpm/mmotm/
> 


on i386:

ERROR: "copy_from_user_overflow" [fs/binfmt_misc.ko] undefined!

which I don't understand.
lib/usercopy.o is built and building binfmt_misc.c says:

  CC [M]  fs/binfmt_misc.o
In file included from arch/x86/include/asm/uaccess.h:537:0,
                 from include/linux/uaccess.h:5,
                 from include/linux/highmem.h:8,
                 from include/linux/pagemap.h:10,
                 from fs/binfmt_misc.c:27:
arch/x86/include/asm/uaccess_32.h: In function 'parse_command.part.1':
arch/x86/include/asm/uaccess_32.h:211:26: warning: call to 'copy_from_user_overflow' declared with attribute warning: copy_from_user() buffer size is not provably correct [enabled by default]



Full randconfig file is attached.

-- 
~Randy

View attachment "config-r1279" of type "text/plain" (50943 bytes)