something seems to have messed with the patch so it doesn't apply correctly.
On Thu, Jun 17, 2021 at 9:39 AM Yizhuo Zhai yzhai003@ucr.edu wrote:
In function nvkm_ioctl_map(), the variable "type" could be uninitialized if "nvkm_object_map()" returns error code, however, it does not check the return value and directly use the "type" in the if statement, which is potentially unsafe.
Signed-off-by: Yizhuo yzhai003@ucr.edu
drivers/gpu/drm/nouveau/nvkm/core/ioctl.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c index d777df5a64e6..7f2e8482f167 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c @@ -266,6 +266,8 @@ nvkm_ioctl_map(struct nvkm_client *client, ret = nvkm_object_map(object, data, size, &type, &args->v0.handle, &args->v0.length);
if (ret)return ret; if (type == NVKM_OBJECT_MAP_IO) args->v0.type = NVIF_IOCTL_MAP_V0_IO; else-- 2.17.1