From: Petr Mladek <pmladek@suse.cz>
To: Minfei Huang <minfei.huang@hotmail.com>
Cc: jpoimboe@redhat.com, sjenning@redhat.com, jkosina@suse.cz,
vojtech@suse.cz, live-patching@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] livepatch: Add a new function to verify the address and name match for extra module
Date: Mon, 13 Apr 2015 10:37:25 +0200 [thread overview]
Message-ID: <20150413083725.GA16088@pathway.suse.cz> (raw)
In-Reply-To: <BLU436-SMTP108A5A02BFF4DE5C8247F4194F80@phx.gbl>
On Sun 2015-04-12 21:15:53, Minfei Huang wrote:
> In order to restrict the patch, we can verify the provided function
> address and name match. Now we have can only verify the vmlinux function
> name and address.
>
> Add a new function to verify extra module function name and address. The
> patch would not be patched, if the function name and address are not
> matched.
old_addr could be predefined only for vmlinux. It does not make sense
to define it for modules because they are loaded dynamically, each
time on a different addresses. It means that it does not make sense
to verify addresses from modules. They always need to be detected.
Best Regards,
Petr
next prev parent reply other threads:[~2015-04-13 8:35 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1428844554-4015-1-git-send-email-minfei.huang@hotmail.com>
2015-04-12 13:15 ` [PATCH 1/2] livepatch: Add a new function to verify the address and name match for extra module Minfei Huang
2015-04-13 8:37 ` Petr Mladek [this message]
2015-04-13 9:11 ` Minfei Huang
2015-04-13 9:41 ` Petr Mladek
2015-04-13 9:50 ` Minfei Huang
2015-04-13 10:22 ` Petr Mladek
2015-04-13 10:37 ` Minfei Huang
2015-04-13 22:58 ` Josh Poimboeuf
2015-04-14 0:17 ` Minfei Huang
2015-04-14 0:48 ` Minfei Huang
2015-04-14 4:05 ` Josh Poimboeuf
2015-04-14 4:56 ` Minfei Huang
2015-04-12 13:15 ` [PATCH 2/2] livepatch: Fix the bug if the function name is larger than KSYM_NAME_LEN-1 Minfei Huang
2015-04-13 8:44 ` Petr Mladek
2015-04-13 9:16 ` Minfei Huang
2015-04-13 23:13 ` Josh Poimboeuf
2015-04-14 0:26 ` Minfei Huang
2015-04-14 4:57 ` Josh Poimboeuf
2015-04-14 5:03 ` Minfei Huang
2015-04-14 5:11 ` Josh Poimboeuf
2015-04-14 5:29 ` Minfei Huang
2015-04-14 5:32 ` Josh Poimboeuf
2015-04-14 5:45 ` Minfei Huang
2015-04-14 15:11 ` Josh Poimboeuf
2015-04-14 15:55 ` Minfei Huang
2015-04-14 16:27 ` Petr Mladek
2015-04-14 17:01 ` Minfei Huang
2015-04-14 18:41 ` Petr Mladek
2015-04-15 2:15 ` Minfei Huang
2015-04-15 8:30 ` Miroslav Benes
2015-04-15 8:49 ` Minfei Huang
2015-04-15 10:35 ` Minfei Huang
2015-04-15 11:58 ` Miroslav Benes
2015-04-15 16:24 ` Justin Keller
2015-04-16 2:10 ` Minfei Huang
2015-04-26 13:05 ` Minfei Huang
2015-04-27 8:41 ` Miroslav Benes
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