linux-kernel - linux-next: build failure after merge of the akpm-current tree

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Date:   Mon, 21 Dec 2020 13:10:17 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Andrey Konovalov <andreyknvl@...gle.com>,
        Kuan-Ying Lee <Kuan-Ying.Lee@...iatek.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the akpm-current tree

Hi all,

After merging the akpm-current tree, today's linux-next build (x86_64
allmodconfig) failed like this:

mm/kasan/quarantine.c: In function 'quarantine_put':
mm/kasan/quarantine.c:207:15: error: 'info' undeclared (first use in this function)
  207 |   qlink_free(&info->quarantine_link, cache);
      |               ^~~~

Caused by commit

  120d593a8650 ("kasan: fix memory leak of kasan quarantine")

interacting with commit

  cfbc92088e1d ("kasan: rename get_alloc/free_info")

Can we please get this sorted out once and for all?

I have applied the following patch for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 21 Dec 2020 13:07:42 +1100
Subject: [PATCH] kasan: fix memory leak of kasan quarantine fix

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 mm/kasan/quarantine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index 3f3b3d902c18..091a57f942b3 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -204,7 +204,7 @@ bool quarantine_put(struct kmem_cache *cache, void *object)
 
 	q = this_cpu_ptr(&cpu_quarantine);
 	if (q->offline) {
-		qlink_free(&info->quarantine_link, cache);
+		qlink_free(&meta->quarantine_link, cache);
 		local_irq_restore(flags);
 		return false;
 	}
-- 
2.29.2

-- 
Cheers,
Stephen Rothwell

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