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 86E6E12EBEA; Tue, 25 Jun 2024 09:44:43 +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=1719308683; cv=none; b=gjpfNlyBAjOIktxl1hHS6+WFHpakopVuhmKva0ISFTSWD33l/MGR/i3tPsEZYNnQf/NhBvDWdSaOTWWvOYVYwLY/+JzVbwuQbXDioPwxyLotpo4u1tWX4rZ4E/OaYhPdJXJ5Pc+1eRdhIHPYStTCIybwuXmjI/8HJDbaJOUR0Aw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719308683; c=relaxed/simple; bh=GRoDgkIauAnXkdEQk13Tegb6UGx7zM0jASV6Kj0BCkM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=peL0s1BLaVGAA9hlgAk0jrG2zdKadLYX7JTwQeK0fuSENPO+RqAUbOCyM7s47d7BF0S/0ABvaD9+nmsmhbxd0h0gqisCG6CZw2d9jKTVp3htT91hI5C2ix5s9KVSF+qwe7uon/dHNamqnl19tj6psNHB2MqnSVLH4qw448DyP5M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=I2TNySwc; 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="I2TNySwc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0C52C32781; Tue, 25 Jun 2024 09:44:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1719308683; bh=GRoDgkIauAnXkdEQk13Tegb6UGx7zM0jASV6Kj0BCkM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I2TNySwcmQcJf1HgwS+MheLAuFuQGw5xTcvHq/V6q6c9EgbyqIl4pi1Pe1f4ql0ae VFa2tSxG5fCMQzEi3Iztjy8m2lEzREYlgmrezpzS2IwwZt8Vi1y4eJ1ZIvsbV0ABWd Xvb3AyyjZ/qAoGCwz2/VDqOBCsTLFbsJS9szaEyA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Alex Deucher Subject: [PATCH 6.9 205/250] drm/amdgpu: fix UBSAN warning in kv_dpm.c Date: Tue, 25 Jun 2024 11:32:43 +0200 Message-ID: <20240625085555.923090169@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240625085548.033507125@linuxfoundation.org> References: <20240625085548.033507125@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit f0d576f840153392d04b2d52cf3adab8f62e8cb6 upstream. Adds bounds check for sumo_vid_mapping_entry. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3392 Reviewed-by: Mario Limonciello Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c @@ -164,6 +164,8 @@ static void sumo_construct_vid_mapping_t for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { if (table[i].ulSupportedSCLK != 0) { + if (table[i].usVoltageIndex >= SUMO_MAX_NUMBER_VOLTAGES) + continue; vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit = table[i].usVoltageID; vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit =