[to-be-updated] kasan-fix-memory-leak-of-kasan-quarantine.patch removed from -mm tree

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The patch titled
     Subject: kasan: fix memory leak of kasan quarantine
has been removed from the -mm tree.  Its filename was
     kasan-fix-memory-leak-of-kasan-quarantine.patch

This patch was dropped because an updated version will be merged

------------------------------------------------------
From: Kuan-Ying Lee <Kuan-Ying.Lee@xxxxxxxxxxxx>
Subject: kasan: fix memory leak of kasan quarantine

When cpu is going offline, set q->offline as true and interrupt happened. 
The interrupt may call the quarantine_put.  But quarantine_put do not free
the the object.  The object will cause memory leak.

Add qlink_free() to free the object.

Link: https://lkml.kernel.org/r/1608207487-30537-2-git-send-email-Kuan-Ying.Lee@xxxxxxxxxxxx
Fixes: 6c82d45c7f03 (kasan: fix object remaining in offline per-cpu quarantine)
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@xxxxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>    [5.10-]
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/kasan/quarantine.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/kasan/quarantine.c~kasan-fix-memory-leak-of-kasan-quarantine
+++ a/mm/kasan/quarantine.c
@@ -194,6 +194,7 @@ bool quarantine_put(struct kmem_cache *c
 
 	q = this_cpu_ptr(&cpu_quarantine);
 	if (q->offline) {
+		qlink_free(&info->quarantine_link, cache);
 		local_irq_restore(flags);
 		return false;
 	}
_

Patches currently in -mm which might be from Kuan-Ying.Lee@xxxxxxxxxxxx are





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