linux-kernel - Re: [PATCH v2 16/16] EDAC/mce_amd: Add support for FRU Text in MCA

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: Sun, 7 Apr 2024 09:19:44 -0400
From: Yazen Ghannam <yazen.ghannam@....com>
To: "Luck, Tony" <tony.luck@...el.com>,
 "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>
Cc: yazen.ghannam@....com,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "x86@...nel.org" <x86@...nel.org>,
 "Avadhut.Naik@....com" <Avadhut.Naik@....com>,
 "John.Allen@....com" <John.Allen@....com>
Subject: Re: [PATCH v2 16/16] EDAC/mce_amd: Add support for FRU Text in MCA



On 4/5/24 12:06, Luck, Tony wrote:
>> diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
>> index aa27729f7899..a4d09dda5fae 100644
>> --- a/arch/x86/kernel/cpu/mce/core.c
>> +++ b/arch/x86/kernel/cpu/mce/core.c
>> @@ -207,6 +207,8 @@ static void __print_mce(struct mce_hw_err *err)
>>                        pr_cont("SYND2 %llx ", err->vi.amd.synd2);
>>                if (m->ipid)
>>                        pr_cont("IPID %llx ", m->ipid);
>> +             if (err->vi.amd.config)
> 
> This is in common code. If other vendors start adding their own stuff to the
> "vi" union you might incorrectly print this.  Add a vendor check before looking
> at values inside "m->vi".
>

Yes, agreed. Will do.

Thanks,
Yazen