Merge tag 'drm-misc-next-2019-04-18' of git://anongit.freedesktop.org/drm/drm-misc...

[sfrench/cifs-2.6.git] / drivers / android / binder.c

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 8685882da64cdaf60dcbac09d9c61735905b5300..4b9c7ca492e6db85dad979a67c7baed7cedd972d 100644 (file)
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2057,7 +2057,8 @@ static size_t binder_get_object(struct binder_proc *proc,
        size_t object_size = 0;
 
        read_size = min_t(size_t, sizeof(*object), buffer->data_size - offset);
-       if (read_size < sizeof(*hdr) || !IS_ALIGNED(offset, sizeof(u32)))
+       if (offset > buffer->data_size || read_size < sizeof(*hdr) ||
+           !IS_ALIGNED(offset, sizeof(u32)))
                return 0;
        binder_alloc_copy_from_buffer(&proc->alloc, object, buffer,
                                      offset, read_size);