从这个网页截图中，我们可以获取到以下关于漏洞的关键信息： 1. 漏洞描述： - 标题： - 描述：如果 函数失败，那么帧缓冲（FB）被准备但未清理。这会导致在DRM文件关闭时出现内存泄漏。 2. 问题根源： - 警告信息： - 调用堆栈： ``` update_lru_locked+0xc4/0xcc put_pages+0xac/0x100 msm_gem_free_object+0x138/0x180 drm_gem_object_free+0x1c/0x30 drm_gem_object_handle_put_unlocked+0x108/0x10c drm_gem_object_release_handle+0x58/0x70 idr_for_each+0x68/0xec drm_gem_release+0x28/0x40 drm_file_free+0x174/0x234 drm_release+0xb0/0x160 __fput+0xc0/0x2c8 __fput_sync+0x50/0x5c __arm64_sys_close+0x38/0x7c invoke_syscall+0x48/0x118 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x120 el0_svc+0x4c/0x1