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| author | Dave Jones <davej@redhat.com> | 2012-09-18 15:54:12 -0400 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-09-19 10:08:01 +0300 |
| commit | 645df230cacc48f4463037016e9dbd3633183fe8 (patch) | |
| tree | 0c89db88d8ece26aba176c19166863c677529e09 | |
| parent | 947ca1856a7e60aa6d20536785e6a42dff25aa6e (diff) | |
| download | linux-645df230cacc48f4463037016e9dbd3633183fe8.tar.gz linux-645df230cacc48f4463037016e9dbd3633183fe8.tar.bz2 linux-645df230cacc48f4463037016e9dbd3633183fe8.zip | |
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>
| -rw-r--r-- | mm/slab.c | 1 | ||||
| -rw-r--r-- | mm/slub.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/mm/slab.c b/mm/slab.c index cd5a92650303..5c6abb831e6a 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -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); } /* 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, ...) |