linux-kernel - [PATCH] list_add corruption in slab.c

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Date:	Tue, 25 Mar 2008 12:57:38 -0400
From:	Daniel Yeisley <dan.yeisley@...sys.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...l.org
Subject: [PATCH] list_add corruption in slab.c

I've been seeing list_add corruption in slab.c on the ES7000 since the
2.6.24.1 kernel.  There are several places where the initkmem_list3
array is access by [somevalue + node].  This also needs to be done in
kmem_cache_init().  

Signed-off-by: Dan Yeisley <dan.yeisley@...sys.com>

---
diff -Naur linux-2.6.25-rc5/mm/slab.c linux-2.6.25-rc5-new/mm/slab.c
--- linux-2.6.25-rc5/mm/slab.c	2008-03-10 01:22:27.000000000 -0400
+++ linux-2.6.25-rc5-new/mm/slab.c	2008-03-20 13:59:24.000000000 -0400
@@ -1481,7 +1481,7 @@
 	list_add(&cache_cache.next, &cache_chain);
 	cache_cache.colour_off = cache_line_size();
 	cache_cache.array[smp_processor_id()] = &initarray_cache.cache;
-	cache_cache.nodelists[node] = &initkmem_list3[CACHE_CACHE];
+	cache_cache.nodelists[node] = &initkmem_list3[CACHE_CACHE + node];
 
 	/*
 	 * struct kmem_cache size depends on nr_node_ids, which

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