[PATCH v2] audit: log module name on delete_module

From	Richard Guy Briggs <rgb@redhat.com>
Newsgroups	linux.kernel
Subject	[PATCH v2] audit: log module name on delete_module
Date	2017-03-12 03:30 +0100
Message-ID	<tk1qG-3is-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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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@redhat.com>
---
 kernel/module.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

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

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[PATCH v2] audit: log module name on delete_module Richard Guy Briggs <rgb@redhat.com> - 2017-03-12 03:30 +0100
  Re: [PATCH v2] audit: log module name on delete_module Paul Moore <paul@paul-moore.com> - 2017-03-13 15:20 +0100
    Re: [PATCH v2] audit: log module name on delete_module Jessica Yu <jeyu@redhat.com> - 2017-03-13 17:40 +0100

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