/*
 * Copyright (C) 2008 IBM Corporation
 * Author: Mimi Zohar <zohar@us.ibm.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2 of the License.
 *
 * File: integrity_audit.c
 *	Audit calls for the integrity subsystem
 */

#include <linux/fs.h>
#include <linux/gfp.h>
#include <linux/audit.h>
#include "integrity.h"

static int integrity_audit_info;

/* ima_audit_setup - enable informational auditing messages */
static int __init integrity_audit_setup(char *str)
{
	unsigned long audit;

	if (!kstrtoul(str, 0, &audit))
		integrity_audit_info = audit ? 1 : 0;
	return 1;
}
__setup("integrity_audit=", integrity_audit_setup);

void integrity_audit_msg(int audit_msgno, struct inode *inode,
			 const unsigned char *fname, const char *op,
			 const char *cause, int result, int audit_info)
{
	struct audit_buffer *ab;
	char name[TASK_COMM_LEN];

	if (!integrity_audit_info && audit_info == 1)	/* Skip info messages */
		return;

	ab = audit_log_start(current->audit_context, GFP_KERNEL, audit_msgno);
	audit_log_format(ab, "pid=%d uid=%u auid=%u ses=%u",
			 task_pid_nr(current),
			 from_kuid(&init_user_ns, current_cred()->uid),
			 from_kuid(&init_user_ns, audit_get_loginuid(current)),
			 audit_get_sessionid(current));
	audit_log_task_context(ab);
	audit_log_format(ab, " op=");
	audit_log_string(ab, op);
	audit_log_format(ab, " cause=");
	audit_log_string(ab, cause);
	audit_log_format(ab, " comm=");
	audit_log_untrustedstring(ab, get_task_comm(name, current));
	if (fname) {
		audit_log_format(ab, " name=");
		audit_log_untrustedstring(ab, fname);
	}
	if (inode) {
		audit_log_format(ab, " dev=");
		audit_log_untrustedstring(ab, inode->i_sb->s_id);
		audit_log_format(ab, " ino=%lu", inode->i_ino);
	}
	audit_log_format(ab, " res=%d", !result);
	audit_log_end(ab);
}
ommit/net/hsr/hsr_netlink.h?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/hsr/hsr_netlink.h?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/hsr/hsr_netlink.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/hsr?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>hsr</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/hsr/hsr_netlink.h?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>hsr_netlink.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c929ea0b910355e1876c64431f3d5802f95b3d75'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Kinglong Mee &lt;kinglongmee@gmail.com&gt;</td><td class='right'>2017-01-20 16:48:39 +0800</td></tr>
<tr><th>committer</th><td>Trond Myklebust &lt;trond.myklebust@primarydata.com&gt;</td><td class='right'>2017-01-24 15:29:24 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/hsr/hsr_netlink.h?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>c929ea0b910355e1876c64431f3d5802f95b3d75</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/hsr/hsr_netlink.h?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>94339f18c2be5b9308b9f44ac8b450fe58bcc645</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/hsr/hsr_netlink.h?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>net/hsr/hsr_netlink.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/hsr/hsr_netlink.h?id=a430607b2ef7c3be090f88c71cfcb1b3988aa7c0'>a430607b2ef7c3be090f88c71cfcb1b3988aa7c0</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/hsr/hsr_netlink.h?id=c929ea0b910355e1876c64431f3d5802f95b3d75&amp;id2=a430607b2ef7c3be090f88c71cfcb1b3988aa7c0'>diff</a>)</td></tr></table>
<div class='commit-subject'>SUNRPC: cleanup ida information when removing sunrpc module</div><div class='commit-msg'>After removing sunrpc module, I get many kmemleak information as,
unreferenced object 0xffff88003316b1e0 (size 544):
  comm "gssproxy", pid 2148, jiffies 4294794465 (age 4200.081s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [&lt;ffffffffb0cfb58a&gt;] kmemleak_alloc+0x4a/0xa0
    [&lt;ffffffffb03507fe&gt;] kmem_cache_alloc+0x15e/0x1f0
    [&lt;ffffffffb0639baa&gt;] ida_pre_get+0xaa/0x150
    [&lt;ffffffffb0639cfd&gt;] ida_simple_get+0xad/0x180
    [&lt;ffffffffc06054fb&gt;] nlmsvc_lookup_host+0x4ab/0x7f0 [lockd]
    [&lt;ffffffffc0605e1d&gt;] lockd+0x4d/0x270 [lockd]
    [&lt;ffffffffc06061e5&gt;] param_set_timeout+0x55/0x100 [lockd]
    [&lt;ffffffffc06cba24&gt;] svc_defer+0x114/0x3f0 [sunrpc]
    [&lt;ffffffffc06cbbe7&gt;] svc_defer+0x2d7/0x3f0 [sunrpc]
    [&lt;ffffffffc06c71da&gt;] rpc_show_info+0x8a/0x110 [sunrpc]
    [&lt;ffffffffb044a33f&gt;] proc_reg_write+0x7f/0xc0
    [&lt;ffffffffb038e41f&gt;] __vfs_write+0xdf/0x3c0
    [&lt;ffffffffb0390f1f&gt;] vfs_write+0xef/0x240
    [&lt;ffffffffb0392fbd&gt;] SyS_write+0xad/0x130
    [&lt;ffffffffb0d06c37&gt;] entry_SYSCALL_64_fastpath+0x1a/0xa9
    [&lt;ffffffffffffffff&gt;] 0xffffffffffffffff

I found, the ida information (dynamic memory) isn't cleanup.

Signed-off-by: Kinglong Mee &lt;kinglongmee@gmail.com&gt;
Fixes: 2f048db4680a ("SUNRPC: Add an identifier for struct rpc_clnt")
Cc: stable@vger.kernel.org # v3.12+
Signed-off-by: Trond Myklebust &lt;trond.myklebust@primarydata.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c929ea0b910355e1876c64431f3d5802f95b3d75'>Diffstat</a> (limited to 'net/hsr/hsr_netlink.h')</div><table summary='diffstat' class='diffstat'>