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commit780351a5f6upstream. In tegra_crtc_reset(), new memory is allocated with kzalloc(), but no check is performed. Before calling __drm_atomic_helper_crtc_reset, state should be checked to prevent possible null pointer dereference. Fixes:b7e0b04ae4("drm/tegra: Convert to using __drm_atomic_helper_crtc_reset() for reset.") Cc: stable@vger.kernel.org Signed-off-by: Qiu-ji Chen <chenqiuji666@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20241106095906.15247-1-chenqiuji666@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>