diff options
| author | heather7283 <142042427+heather7283@users.noreply.github.com> | 2025-01-24 19:51:31 +0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-01-24 16:51:31 +0100 |
| commit | 9b3f71390c3db14fd2fa2ff14d533eee34538c55 (patch) | |
| tree | 35f8dba691562de9dbe43464843878b5b8078843 /src/protocols/LayerShell.cpp | |
| parent | 0e5d03a5574efb78f06f2723b345bac867d98696 (diff) | |
layershell: check if layer is valid (#9156)
fixes compositor crash when client tried to create a layer surface with
invalid layer argument
Diffstat (limited to 'src/protocols/LayerShell.cpp')
| -rw-r--r-- | src/protocols/LayerShell.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/protocols/LayerShell.cpp b/src/protocols/LayerShell.cpp index 1533a7c0..c88dc925 100644 --- a/src/protocols/LayerShell.cpp +++ b/src/protocols/LayerShell.cpp @@ -233,6 +233,11 @@ void CLayerShellProtocol::onGetLayerSurface(CZwlrLayerShellV1* pMgr, uint32_t id return; } + if UNLIKELY (layer > ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY) { + pMgr->error(ZWLR_LAYER_SHELL_V1_ERROR_INVALID_LAYER, "Invalid layer"); + return; + } + const auto RESOURCE = m_vLayers.emplace_back(makeShared<CLayerShellResource>(makeShared<CZwlrLayerSurfaceV1>(CLIENT, pMgr->version(), id), SURF, namespace_, PMONITOR, layer)); if UNLIKELY (!RESOURCE->good()) { |