From f085ed4454fc0c9045b324c32f9ca34cd4c28808 Mon Sep 17 00:00:00 2001 From: Vaxry Date: Wed, 7 Feb 2024 00:18:47 +0000 Subject: screencopy/toplevelexport: sanitize pointers in ::copyFrame oopsie~~ >///< --- src/protocols/ToplevelExport.cpp | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/protocols/ToplevelExport.cpp') diff --git a/src/protocols/ToplevelExport.cpp b/src/protocols/ToplevelExport.cpp index 425572eb..25bab2ef 100644 --- a/src/protocols/ToplevelExport.cpp +++ b/src/protocols/ToplevelExport.cpp @@ -224,6 +224,13 @@ void CToplevelExportProtocolManager::copyFrame(wl_client* client, wl_resource* r return; } + if (!g_pCompositor->windowValidMapped(PFRAME->pWindow)) { + Debug::log(ERR, "Client requested sharing of window handle {:x} which is gone!", (uintptr_t)PFRAME->pWindow); + hyprland_toplevel_export_frame_v1_send_failed(PFRAME->resource); + removeFrame(PFRAME); + return; + } + if (!PFRAME->pWindow->m_bIsMapped || PFRAME->pWindow->isHidden()) { Debug::log(ERR, "Client requested sharing of window handle {:x} which is not shareable (2)!", PFRAME->pWindow); hyprland_toplevel_export_frame_v1_send_failed(PFRAME->resource); -- cgit v1.2.3