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Commit 645df230 authored by Dave Jones's avatar Dave Jones Committed by Pekka Enberg
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mm, sl[au]b: Taint kernel when we detect a corrupted slab 



It doesn't seem worth adding a new taint flag for this, so just re-use
the one from 'bad page'

Acked-by: Christoph Lameter <cl@linux.com> # SLUB
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
Signed-off-by: default avatarPekka Enberg <penberg@kernel.org>
parent 947ca185

mm/slab.c

+1 −0
Original line number Diff line number Diff line
@@ -811,6 +811,7 @@ static void __slab_error(const char *function, struct kmem_cache *cachep, 
	printk(KERN_ERR "slab error in %s(): cache `%s': %s\n",

	       function, cachep->name, msg);

	dump_stack();

	add_taint(TAINT_BAD_PAGE);

}



/*

mm/slub.c

+2 −0
Original line number Diff line number Diff line
@@ -568,6 +568,8 @@ static void slab_bug(struct kmem_cache *s, char *fmt, ...) 
	printk(KERN_ERR "BUG %s (%s): %s\n", s->name, print_tainted(), buf);

	printk(KERN_ERR "----------------------------------------"

			"-------------------------------------\n\n");



	add_taint(TAINT_BAD_PAGE);

}



static void slab_fix(struct kmem_cache *s, char *fmt, ...)