linux-kernel - Re: [PATCH 1/1] ACPI/nfit: correct the badrange to be reported in nfit_handle

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]

Date:   Thu, 19 Nov 2020 09:55:50 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     "Verma, Vishal L" <vishal.l.verma@...el.com>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        "Jiang, Dave" <dave.jiang@...el.com>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Williams, Dan J" <dan.j.williams@...el.com>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "Weiny, Ira" <ira.weiny@...el.com>
Subject: Re: [PATCH 1/1] ACPI/nfit: correct the badrange to be reported in
 nfit_handle_mce()



On 2020/11/19 4:50, Verma, Vishal L wrote:
> On Wed, 2020-11-18 at 16:41 +0800, Zhen Lei wrote:
>> The badrange to be reported should always cover mce->addr.
>>
>> Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
>> ---
>>  drivers/acpi/nfit/mce.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Ah good find, agreed with Dan that this is stable material.
> Minor nit, I'd recommend rewording the subject line to something like:
> 
> "acpi/nfit: fix badrange insertion in nfit_handle_mce()"

OK, I will send v2.

> 
> Otherwise, looks good to me.
> Reviewed-by: Vishal Verma <vishal.l.verma@...el.com>
> 
>>
>> diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c
>> index ee8d9973f60b..053e719c7bea 100644
>> --- a/drivers/acpi/nfit/mce.c
>> +++ b/drivers/acpi/nfit/mce.c
>> @@ -63,7 +63,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val,
>>  
>>  		/* If this fails due to an -ENOMEM, there is little we can do */
>>  		nvdimm_bus_add_badrange(acpi_desc->nvdimm_bus,
>> -				ALIGN(mce->addr, L1_CACHE_BYTES),
>> +				ALIGN_DOWN(mce->addr, L1_CACHE_BYTES),
>>  				L1_CACHE_BYTES);
>>  		nvdimm_region_notify(nfit_spa->nd_region,
>>  				NVDIMM_REVALIDATE_POISON);
>