linux-kernel - Re: [PATCH 3/3] livepatch: add shadow variable sample program

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 for Android: free password hash cracker in your pocket

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

Message-ID: <160f8789-3ade-ae51-a4a9-2c93f0db32a1@redhat.com>
Date:   Fri, 9 Jun 2017 15:05:51 -0400
From:   Joe Lawrence <joe.lawrence@...hat.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jessica Yu <jeyu@...hat.com>, Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>, Petr Mladek <pmladek@...e.com>
Subject: Re: [PATCH 3/3] livepatch: add shadow variable sample program

On 06/09/2017 02:38 PM, Josh Poimboeuf wrote:
> On Thu, Jun 01, 2017 at 02:25:26PM -0400, Joe Lawrence wrote:
>> [ ... snip ... ]  
>> @@ -99,6 +130,12 @@ static int livepatch_init(void)
>>  
>>  static void livepatch_exit(void)
>>  {
>> +	struct task_ctr *nd, *tmp;
>> +
>> +	list_for_each_entry_safe(nd, tmp, &shadow_list, list) {
>> +		list_del(&nd->list);
>> +		kfree(nd);
>> +	}
>>  	WARN_ON(klp_unregister_patch(&patch));
>>  }
> 
> What does 'nd' stand for?  I think a name like 'ctr' would be clearer.
> 

Ah, in an earlier draft (pre-post) that data structure was called
"new_data", so "nd" was simply a short hand abbreviation.  I'll update
for v2, thanks.

-- Joe