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Re: [PATCH v2 2/2] module: Add module name to modinfo

From Jessica Yu <jeyu@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 2/2] module: Add module name to modinfo
Date 2017-04-26 05:00 +0200
Message-ID <tAlln-4J2-3@gated-at.bofh.it> (permalink)
References <tyPnz-355-5@gated-at.bofh.it> <tyPnz-355-3@gated-at.bofh.it> <tA2LL-1un-5@gated-at.bofh.it> <tA2LL-1un-3@gated-at.bofh.it>
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+++ Jon Masters [25/04/17 03:04 -0400]:
>Nevermind. Missread the patch as doing something different on first pass.

It's good to give the kmod folks a heads up anyway (as name would be
visible in modinfo), thanks Jon!

>> On Apr 25, 2017, at 03:00, Jon Masters <jcm@jonmasters.org> wrote:
>>
>>> On 04/21/2017 06:35 PM, Kees Cook wrote:
>>>
>>> Accessing the mod structure (e.g. for mod->name) prior to having completed
>>> check_modstruct_version() can result in writing garbage to the error logs
>>> if the layout of the mod structure loaded from disk doesn't match the
>>> running kernel's mod structure layout. This kind of mismatch will become
>>> much more likely if a kernel is built with different randomization seed
>>> for the struct layout randomization plugin.
>>>
>>> Instead, add and use a new modinfo string for logging the module name.
>>
>> +Lucas - probably something that the modinfo kmod utility should track.
>>
>> Jon.
>>

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Re: [PATCH v2 2/2] module: Add module name to modinfo Jon Masters <jcm@jonmasters.org> - 2017-04-25 09:10 +0200
  Re: [PATCH v2 2/2] module: Add module name to modinfo Jessica Yu <jeyu@redhat.com> - 2017-04-26 05:00 +0200

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