linux-kernel - Re: [PATCH v11 01/21] axonram: Fix bug in direct

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: <20141016075251.GA18259@thinkos.etherlink>
Date:	Thu, 16 Oct 2014 09:52:51 +0200
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Matthew Wilcox <matthew.r.wilcox@...el.com>
Cc:	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v11 01/21] axonram: Fix bug in direct_access

On 25-Sep-2014 04:33:18 PM, Matthew Wilcox wrote:
> The 'pfn' returned by axonram was completely bogus, and has been since
> 2008.
> 
> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@...el.com>
> Reviewed-by: Jan Kara <jack@...e.cz>

This should also be submitted for stable kernels. (CC
stable@...r.kernel.org)

Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>

> ---
>  arch/powerpc/sysdev/axonram.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
> index 47b6b9f..830edc8 100644
> --- a/arch/powerpc/sysdev/axonram.c
> +++ b/arch/powerpc/sysdev/axonram.c
> @@ -156,7 +156,7 @@ axon_ram_direct_access(struct block_device *device, sector_t sector,
>  	}
>  
>  	*kaddr = (void *)(bank->ph_addr + offset);
> -	*pfn = virt_to_phys(kaddr) >> PAGE_SHIFT;
> +	*pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT;
>  
>  	return 0;
>  }
> -- 
> 2.1.0
> 
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@...ck.org.  For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Don't email: <a href=mailto:"dont@...ck.org"> email@...ck.org </a>
> 
> 

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
Key fingerprint: 2A0B 4ED9 15F2 D3FA 45F5  B162 1728 0A97 8118 6ACF
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/