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 7955D19B3DA; Wed, 3 Jul 2024 10:54:46 +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=1720004086; cv=none; b=TRGaNqeU/5uCMnMoTclxJQ41gsg3iPgPD14VG4Xju8GWLM9SYw6ApZMdbXjfDO0YQo4QGIszdQ0MMu/lIWynGq/etPxN760qRZdL409CZwSp1TdkjzOpyr0HQ+htJb52ddKUSnvMjFQJ4jgfyOX0mnFfybz7sgzmde5f7Sa9upw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720004086; c=relaxed/simple; bh=mxZzCTONHVGpgF1pVhqHbKIiFLaIvGBFH6HUfuumbRA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MLJpOa6Yq3VG24MWaSTlDWTXlS0SQejnstbAbx4VW8KOLX+Ekzln1CEVlyNBvbI5k2YW5uEEgxegnR0gMHNpPlxQ7zH1TGVGxj+1Y3jx4lIdXuhpt0cLbQry62vAlxl/jdN7cruClFQDZH2+p/lAiE93U7Ags/94ZGXlHjaLD40= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0uBvAW2t; 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="0uBvAW2t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00EFDC2BD10; Wed, 3 Jul 2024 10:54:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1720004086; bh=mxZzCTONHVGpgF1pVhqHbKIiFLaIvGBFH6HUfuumbRA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0uBvAW2tFtX80C261eRBzwz1/Jpuf4fS39WtYJjPan2vCp7rwkKfWRcficLrO/87Z kpGNz4NumbszunD06W/zIPMXczRnizdCkwomgmrj+WoRtwAfBUgFSkrFXh1Vo0r6j8 7raPxY5WhkWxrBEuOMR71/DPM54kBbxa/+vMpD8w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Alex Deucher Subject: [PATCH 5.4 117/189] drm/radeon: fix UBSAN warning in kv_dpm.c Date: Wed, 3 Jul 2024 12:39:38 +0200 Message-ID: <20240703102845.913606540@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240703102841.492044697@linuxfoundation.org> References: <20240703102841.492044697@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 5.4-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 @@ -1621,6 +1621,8 @@ 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 =