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Message-ID: <20240801000834.3930818-35-sashal@kernel.org> Date: Wed, 31 Jul 2024 19:59:33 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Tim Huang <Tim.Huang@....com>, Alex Deucher <alexander.deucher@....com>, Sasha Levin <sashal@...nel.org>, christian.koenig@....com, Xinhui.Pan@....com, airlied@...il.com, daniel@...ll.ch, guchun.chen@....com, srinivasan.shanmugam@....com, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org Subject: [PATCH AUTOSEL 6.10 035/121] drm/amdgpu: fix ucode out-of-bounds read warning From: Tim Huang <Tim.Huang@....com> [ Upstream commit 8944acd0f9db33e17f387fdc75d33bb473d7936f ] Clear warning that read ucode[] may out-of-bounds. Signed-off-by: Tim Huang <Tim.Huang@....com> Reviewed-by: Alex Deucher <alexander.deucher@....com> Signed-off-by: Alex Deucher <alexander.deucher@....com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index b8280be6225d9..c3d89088123db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -213,6 +213,9 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, struct amdgpu_firmware_info *ucode; id = fw_type_convert(cgs_device, type); + if (id >= AMDGPU_UCODE_ID_MAXIMUM) + return -EINVAL; + ucode = &adev->firmware.ucode[id]; if (ucode->fw == NULL) return -EINVAL; -- 2.43.0
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