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 46496136E2A; Wed, 3 Jul 2024 10:45:35 +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=1720003535; cv=none; b=fbYaO9V9XQd0UXYfns9hBtItnKXiQLhUFTIAbR1R553CHTyZizI8gFOFdtsqYv+g1z0Gy4Jyc7xFWlw1uu17rqH00SsuCGCohN9M5Dgxp8YJcLgvFY4fbp92vW6XsWokmLyDAqRmaS0JBbEXRJ1bw8lfv4EIRvlHopbRMprMB1w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720003535; c=relaxed/simple; bh=/Zpc29smSb9LjcLTuKi6pLVqS9wmKvnjrRhfmc+dh5Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XOQghAF5tLju4HeLtHlm5pvvXBlDZszepeFv3M1tScWv+pLuoXfiDACLuWFZ7F+L4cc35kpsB3Q3HkDE2fnBC52g05tWCQHuCQJBM8V+0hKt35DzgJ3fgVcJHp4D01H/8OK5KXxbgzTNIFNEpGE51AC7ItjNPyWTge/kvfOrAGA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=hnMdWUjD; 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="hnMdWUjD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C269EC2BD10; Wed, 3 Jul 2024 10:45:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1720003535; bh=/Zpc29smSb9LjcLTuKi6pLVqS9wmKvnjrRhfmc+dh5Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hnMdWUjDTV4VUxxoHCwspMRU2KOIYmbkBk4pd2Iaahv8+NVWB3z2aQoPuCYdjsM9g 1yLwTdSbBg+Sa4JmMt76Re/uV04JgyVNTl5egHo6NFwhL3FK0OEwUlyZXo22wuVRIl hVd4vBXgOIMbJu858lX/C5vJkQozbitpVB3S3y04= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Alex Deucher Subject: [PATCH 4.19 080/139] drm/radeon: fix UBSAN warning in kv_dpm.c Date: Wed, 3 Jul 2024 12:39:37 +0200 Message-ID: <20240703102833.462116119@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240703102830.432293640@linuxfoundation.org> References: <20240703102830.432293640@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 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit a498df5421fd737d11bfd152428ba6b1c8538321 upstream. Adds bounds check for sumo_vid_mapping_entry. Reviewed-by: Mario Limonciello Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/sumo_dpm.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1622,6 +1622,8 @@ void sumo_construct_vid_mapping_table(st 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 =