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Fix UAF in SLVideo overlay update

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This commit is contained in:
Cameron Gutman 2022-05-21 00:30:07 -05:00
parent 5ea79efe4b
commit 216f274a92
1 changed files with 3 additions and 3 deletions
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6
app/streaming/video/slvid.cpp
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@ -204,14 +204,14 @@ void SLVideoDecoder::notifyOverlayUpdated(Overlay::OverlayType type)
SDL_ConvertPixels(newSurface->w, newSurface->h, newSurface->format->format, newSurface->pixels, newSurface->pitch, SDL_ConvertPixels(newSurface->w, newSurface->h, newSurface->format->format, newSurface->pixels, newSurface->pitch,
SDL_PIXELFORMAT_ARGB8888, pixels, pitch); SDL_PIXELFORMAT_ARGB8888, pixels, pitch);
// We're done with the surface now
SDL_FreeSurface(newSurface);
// Position the status overlay at the bottom left corner // Position the status overlay at the bottom left corner
float flWidth = (float)newSurface->w / m_ViewportWidth; float flWidth = (float)newSurface->w / m_ViewportWidth;
float flHeight = (float)newSurface->h / m_ViewportHeight; float flHeight = (float)newSurface->h / m_ViewportHeight;
SLVideo_SetOverlayDisplayArea(m_Overlay, 0.0f, 1.0f - flHeight, flWidth, flHeight); SLVideo_SetOverlayDisplayArea(m_Overlay, 0.0f, 1.0f - flHeight, flWidth, flHeight);
// We're done with the surface now
SDL_FreeSurface(newSurface);
// Show the overlay // Show the overlay
SLVideo_ShowOverlay(m_Overlay); SLVideo_ShowOverlay(m_Overlay);
} }