linux-kernel - Re: [PATCH] powerpc: Stop exporting __clear

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87y2ictt80.fsf@mpe.ellerman.id.au>
Date:   Sat, 05 Dec 2020 21:58:23 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Michal Suchanek <msuchanek@...e.de>, stable@...r.kernel.org
Cc:     Michal Suchanek <msuchanek@...e.de>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: Stop exporting __clear_user which is now inlined.

Michal Suchanek <msuchanek@...e.de> writes:
> Stable commit 452e2a83ea23 ("powerpc: Fix __clear_user() with KUAP
> enabled") redefines __clear_user as inline function but does not remove
> the export.
>
> Fixes: 452e2a83ea23 ("powerpc: Fix __clear_user() with KUAP enabled")
>
> Signed-off-by: Michal Suchanek <msuchanek@...e.de>
> ---
>  arch/powerpc/lib/ppc_ksyms.c | 1 -
>  1 file changed, 1 deletion(-)

Acked-by: Michael Ellerman <mpe@...erman.id.au>

cheers

> diff --git a/arch/powerpc/lib/ppc_ksyms.c b/arch/powerpc/lib/ppc_ksyms.c
> index c7f8e9586316..4b81fd96aa3e 100644
> --- a/arch/powerpc/lib/ppc_ksyms.c
> +++ b/arch/powerpc/lib/ppc_ksyms.c
> @@ -24,7 +24,6 @@ EXPORT_SYMBOL(csum_tcpudp_magic);
>  #endif
>  
>  EXPORT_SYMBOL(__copy_tofrom_user);
> -EXPORT_SYMBOL(__clear_user);
>  EXPORT_SYMBOL(copy_page);
>  
>  #ifdef CONFIG_PPC64
> -- 
> 2.26.2