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: David Rientjes <rientjes@google.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/mm/slub.c b/mm/slub.c
index c67bd0a4a952..a6d043e13266 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -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, ...)