linux-kernel - Re: [PATCH v2] audit: log module name on delete_module

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Message-ID: <20170313163126.GA8117@packer-debian-8-amd64.digitalocean.com>
Date:   Mon, 13 Mar 2017 12:31:53 -0400
From:   Jessica Yu <jeyu@...hat.com>
To:     Paul Moore <paul@...l-moore.com>
Cc:     Richard Guy Briggs <rgb@...hat.com>, linux-kernel@...r.kernel.org,
        linux-audit@...hat.com
Subject: Re: [PATCH v2] audit: log module name on delete_module

+++ Paul Moore [13/03/17 10:16 -0400]:
>On Sat, Mar 11, 2017 at 9:24 PM, Richard Guy Briggs <rgb@...hat.com> wrote:
>> When a sysadmin wishes to monitor module unloading with a syscall rule such as:
>>  -a always,exit -F arch=x86_64 -S delete_module -F key=mod-unload
>> the SYSCALL record doesn't tell us what module was requested for unloading.
>>
>> Use the new KERN_MODULE auxiliary record to record it.
>> The SYSCALL record result code will list the return code.
>>
>> See: https://github.com/linux-audit/audit-kernel/issues/37
>>     https://github.com/linux-audit/audit-kernel/issues/7
>>     https://github.com/linux-audit/audit-kernel/wiki/RFE-Module-Load-Record-Format
>>
>> Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
>> ---
>>  kernel/module.c |    2 ++
>>  1 files changed, 2 insertions(+), 0 deletions(-)
>
>Jessica?  If there are no objections to this patch on your side I'll
>merge this into the audit/next tree.

Looks good to me:

Acked-by: Jessica Yu <jeyu@...hat.com>

>> diff --git a/kernel/module.c b/kernel/module.c
>> index 5432dbe..633f6da 100644
>> --- a/kernel/module.c
>> +++ b/kernel/module.c
>> @@ -943,6 +943,8 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user,
>>                 return -EFAULT;
>>         name[MODULE_NAME_LEN-1] = '\0';
>>
>> +       audit_log_kern_module(name);
>> +
>>         if (mutex_lock_interruptible(&module_mutex) != 0)
>>                 return -EINTR;
>>
>> --
>> 1.7.1
>>
>> --
>> Linux-audit mailing list
>> Linux-audit@...hat.com
>> https://www.redhat.com/mailman/listinfo/linux-audit
>
>-- 
>paul moore
>www.paul-moore.com

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