| Message ID | 1515531365-37423-36-git-send-email-keescook@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/mm/slab_common.c b/mm/slab_common.c index 8ac2a6320a6c..d00cd3f0f8ac 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -532,7 +532,7 @@ struct kmem_cache * kmem_cache_create(const char *name, size_t size, size_t align, slab_flags_t flags, void (*ctor)(void *)) { - return kmem_cache_create_usercopy(name, size, align, flags, 0, size, + return kmem_cache_create_usercopy(name, size, align, flags, 0, 0, ctor); } EXPORT_SYMBOL(kmem_cache_create);
With all known usercopied cache whitelists now defined in the kernel, switch the default usercopy region of kmem_cache_create() to size 0. Any new caches with usercopy regions will now need to use kmem_cache_create_usercopy() instead of kmem_cache_create(). This patch is modified from Brad Spengler/PaX Team's PAX_USERCOPY whitelisting code in the last public patch of grsecurity/PaX based on my understanding of the code. Changes or omissions from the original code are mine and don't reflect the original grsecurity/PaX code. Cc: David Windsor <dave@nullcore.net> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Signed-off-by: Kees Cook <keescook@chromium.org> --- mm/slab_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)