#syz test
Signed-off-by: Madhur Kumar <madhurkumar004@gmail.com>
---
drivers/gpu/drm/drm_syncobj.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index e1b0fa4000cd..f322b38ec251 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -1293,6 +1293,13 @@ static int drm_syncobj_array_find(struct drm_file *file_private,
uint32_t i, *handles;
struct drm_syncobj **syncobjs;
int ret;
+ size_t size;
+
+ if (check_mul_overflow(count_handles, sizeof(*handles), &size))
+ return -EOVERFLOW;
+
+ if (size > KMALLOC_MAX_SIZE)
+ return -ERANGE;
handles = kmalloc_array(count_handles, sizeof(*handles), GFP_KERNEL);
if (handles == NULL)
--
2.52.0