From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 905943446D3; Wed, 3 Dec 2025 15:58:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764777508; cv=none; b=pE/MgWBC4rDONoIKjQV0xMiTsD8nkMt2U9wqJuhIu96HPWiC96pxJVQbSVBfWDc2lDgOamUU+0XHIsnwbUaT6s97mlpDTTUfqOzdg5UlOnaLmb/mIQvPOevjfSkPdXZ92vsv3JBzb7JzA+UignM8R8pjg5EVNNiHo0Wp4UP6C0E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764777508; c=relaxed/simple; bh=RHFfZbU1//L6R2I7QTkkmgfwcLI8D3n+/fPmsq8VJQ4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uTX4IeLdqsafKXGjt+O1JFSnxUaW+axpvcju9OmtHotDEEzYZEMu/zPHsEPbgHLicBUlSGstuHmewwn+0M5vSXeqm50Kamt9D7p2vwMWBx4ZeFF9k8rht0sEW5H0f8xugdGPfI/s+N4pOYCU+10OuCGo8HIfMZlTBNUZO6I0jV8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lofbNsq/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lofbNsq/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83FE3C4CEF5; Wed, 3 Dec 2025 15:58:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764777507; bh=RHFfZbU1//L6R2I7QTkkmgfwcLI8D3n+/fPmsq8VJQ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lofbNsq/XQOIIac5A1sd6G0DkmYOBI+BQkboLbQ5hFs7KnX3eRCLFSs0GMxcklHf4 UYcWlNCk8D8EYrhICLPN45g12DS/sGrcRZd9KfI77cdnQncGlIQ+HbpLoRHBKnJM2U 8v8RhWGFMGWuV2YrBmfaeE3ea7ogKwGbLKWpY4xo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yang Wang , Hawking Zhang , Alex Deucher , Sasha Levin Subject: [PATCH 5.15 027/392] drm/amd/pm: fix smu table id bound check issue in smu_cmn_update_table() Date: Wed, 3 Dec 2025 16:22:57 +0100 Message-ID: <20251203152415.100020024@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152414.082328008@linuxfoundation.org> References: <20251203152414.082328008@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yang Wang [ Upstream commit 238d468d3ed18a324bb9d8c99f18c665dbac0511 ] 'table_index' is a variable defined by the smu driver (kmd) 'table_id' is a variable defined by the hw smu (pmfw) This code should use table_index as a bounds check. Fixes: caad2613dc4bd ("drm/amd/powerplay: move table setting common code to smu_cmn.c") Signed-off-by: Yang Wang Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher (cherry picked from commit fca0c66b22303de0d1d6313059baf4dc960a4753) Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c index 843d2cbfc71d4..fbbbea75c52d4 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c @@ -883,7 +883,7 @@ int smu_cmn_update_table(struct smu_context *smu, table_index); uint32_t table_size; int ret = 0; - if (!table_data || table_id >= SMU_TABLE_COUNT || table_id < 0) + if (!table_data || table_index >= SMU_TABLE_COUNT || table_id < 0) return -EINVAL; table_size = smu_table->tables[table_index].size; -- 2.51.0