/*
 * Copyright 2016, Michael Ellerman, IBM Corp.
 * Licensed under GPLv2.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>

#include <asm/cputable.h>

#include "utils.h"

#define SIZE (64 * 1024)

int test_prot_sao(void)
{
	char *p;

	/* 2.06 or later should support SAO */
	SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06));

	/*
	 * Ensure we can ask for PROT_SAO.
	 * We can't really verify that it does the right thing, but at least we
	 * confirm the kernel will accept it.
	 */
	p = mmap(NULL, SIZE, PROT_READ | PROT_WRITE | PROT_SAO,
		 MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
	FAIL_IF(p == MAP_FAILED);

	/* Write to the mapping, to at least cause a fault */
	memset(p, 0xaa, SIZE);

	return 0;
}

int main(void)
{
	return test_harness(test_prot_sao, "prot-sao");
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>testing</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>selftests</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>powerpc</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='0b529f143e8baad441a5aac9ad55ec2434d8fb46'/><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>Harsh Jain &lt;harsh@chelsio.com&gt;</td><td class='right'>2017-02-01 21:10:28 +0530</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-02-03 17:45:48 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>0b529f143e8baad441a5aac9ad55ec2434d8fb46</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/testing/selftests/powerpc?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>patch</a>)</td></tr>
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<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/powerpc?id=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>c26819900036f5b91608051a0fc7c76f6b4ffc7b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/powerpc?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46&amp;id2=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: algif_aead - Fix kernel panic on list_del</div><div class='commit-msg'>Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Harsh Jain &lt;harsh@chelsio.com&gt;
Reviewed-by: Stephan Müller &lt;smueller@chronox.de&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>Diffstat</a> (limited to 'tools/testing/selftests/powerpc')</div><table summary='diffstat' class='diffstat'>