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 921D31487CD; Thu, 12 Dec 2024 16:39:39 +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=1734021579; cv=none; b=qUo3E3CbbIlXTJEVjEq6x7ApfOHveByDsvEYyqeCsbtAEkCwwa2sU1zFTSW9I/ezyxtXlvspPHuFaUgTi5c1g10wD1VsZi7eQjDOHpB2Q5Y7SCJSRHbK9yEQSPJOjkHfoLeeQ+6IsyHmXmb+FNk0Z1dJ14UhF/mS/ovn6e584uA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734021579; c=relaxed/simple; bh=CMny7rTr6gRG1+YkkclIzBLODXfcoji6L+ePnAguLww=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=n3cLfLv6BMfU+3x6CyL+O+1wgXoZYQ3h3XxIf8yUaL5W1maL4NrgPHUjk3NF7qdHAXeCHtLzSVIyXKhpvz6bb2IPf5mEkWHDYaHN2dvsK0EJghYjb4V/sMAjmdi04b93ElZUYZkAmqU2/t6wD+nF86G2xgPuuZq01EN5Gn5bYnk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ocRSMODr; 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="ocRSMODr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00978C4CECE; Thu, 12 Dec 2024 16:39:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1734021579; bh=CMny7rTr6gRG1+YkkclIzBLODXfcoji6L+ePnAguLww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ocRSMODrrguQTMi1a6bCjd7jzu6nCABqeSgmNUO5wFhPrMjBV9ehmGgNTBm3hlONQ bFt+ObrDZ7cqpkdCIvHjaZzMrQzHD7jMzNknltIsYaOyLGTSt6ftwgTmUnGIZPJWdg KNYh1f4Tx8FV5YfKGEhxXUIwR+I90hFuv2fdbPBM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhang Zekun Subject: [PATCH 6.1 751/772] Revert "drm/amdgpu: add missing size check in amdgpu_debugfs_gprwave_read()" Date: Thu, 12 Dec 2024 16:01:36 +0100 Message-ID: <20241212144420.961464225@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241212144349.797589255@linuxfoundation.org> References: <20241212144349.797589255@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 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhang Zekun This reverts commit 25d7e84343e1235b667cf5226c3934fdf36f0df6. The origin mainline patch fix a buffer overflow issue in amdgpu_debugfs_gprwave_read(), but it has not been introduced in kernel 6.1 and older kernels. This patch add a check in a wrong function in the same file. Signed-off-by: Zhang Zekun Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -419,7 +419,7 @@ static ssize_t amdgpu_debugfs_regs_pcie_ ssize_t result = 0; int r; - if (size > 4096 || size & 0x3 || *pos & 0x3) + if (size & 0x3 || *pos & 0x3) return -EINVAL; r = pm_runtime_get_sync(adev_to_drm(adev)->dev);