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screencopy: fix nullptr deref if shm format is weird

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Vaxry 2026-03-01 15:31:22 +00:00
parent f41e3c2203
commit 8ad96a95d6
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1 changed files with 7 additions and 0 deletions
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7
src/protocols/Screencopy.cpp
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@ -87,6 +87,13 @@ CScreencopyFrame::CScreencopyFrame(SP<CZwlrScreencopyFrameV1> resource_, WP<CScr
auto bufSize = m_frame->bufferSize();
const auto PSHMINFO = NFormatUtils::getPixelFormatFromDRM(format);
if (!PSHMINFO) {
LOGM(Log::ERR, "No pixel format for drm format");
m_resource->sendFailed();
return;
}
const auto stride = NFormatUtils::minStride(PSHMINFO, bufSize.x);
m_resource->sendBuffer(NFormatUtils::drmToShm(format), bufSize.x, bufSize.y, stride);