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 10CC813C90B; Tue, 25 Jun 2024 10:03:12 +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=1719309792; cv=none; b=gC/+WwM2LwJDP11654/cvBX2EEw52EssCQo+rw0By/Nen/HL6YbX7Aqb8XK6VC3IinMCPtjU/miUJQJV4dZfI1Eg7f/X6P2qSdDEUHAXoNJEyarLWOo6J9HAV5gON0NhXDGO5X3ytGj0k5YNiYLQsbpFJBy3UYAMYywk6pV/HwI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719309792; c=relaxed/simple; bh=3/pcGD9hr9Al3s5l1eCcOlARfF5AqrlSZT7Xemfjtwc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KFqxxJsEB5Jc2ltn31RYSAXn2N1cg7WM4QH/dQSBot/7LooxJVlvbOfSnvXyTkpVGQndhj1anNsVOd+ENffY3W5rW9ZQfZSx7ZFJt8qu1X7d3fvejykT856fH4V5qj16V9gDuFfVUS3iobOXO9jwNFszxNSfF1+MWPONWMb5QBg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=mfqCopaw; 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="mfqCopaw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 90B0DC32781; Tue, 25 Jun 2024 10:03:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1719309791; bh=3/pcGD9hr9Al3s5l1eCcOlARfF5AqrlSZT7Xemfjtwc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mfqCopawBcsRyDd546mHVcMg65TJriX3FCjZIYErdCdBIiAFZjlYlDsMf5ZvqPMT3 6FNju4K0B7pEcg9fZEj20virnk28THmNBQpBIv1j3f9xUVP+A/uh3bhc7MCLdCP7sG BrODPP4y7A6z21XELfCknd5C3SI9XzBTmXZTq9xc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Alex Deucher Subject: [PATCH 6.1 106/131] drm/amdgpu: fix UBSAN warning in kv_dpm.c Date: Tue, 25 Jun 2024 11:34:21 +0200 Message-ID: <20240625085529.966209665@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240625085525.931079317@linuxfoundation.org> References: <20240625085525.931079317@linuxfoundation.org> User-Agent: quilt/0.67 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 6.1-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 =