Messages in this thread | | | Date | Thu, 28 Feb 2013 09:45:10 +1100 | From | Stephen Rothwell <> | Subject | Re: [PATCH] Consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECK |
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Hi all,
On Wed, 27 Feb 2013 14:19:16 -0800 "H. Peter Anvin" <hpa@zytor.com> wrote: > > Although some of the cases I have seen being flagged as "false > positives" have been real bugs.
[hijacking the thread :-)]
I have been getting this warning for a very long time ( which would be an error if CONFIG_DEBUG_STRICT_USER_COPY_CHECK was set):
i386 defconfig i386-linux-gcc (GCC) 4.6.3
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.2': 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]
-- Cheers, Stephen Rothwell sfr@canb.auug.org.au [unhandled content-type:application/pgp-signature] | |