From patchwork Fri Oct 18 10:32:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniil Dulov X-Patchwork-Id: 13841564 Received: from mail-out.aladdin-rd.ru (mail-out.aladdin-rd.ru [91.199.251.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24A51200B8E; Fri, 18 Oct 2024 10:32:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.199.251.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729247574; cv=none; b=bdNbrq7nlBEOC9kGqRL5jVMgpoEWKtGWZWYLVgE46i6sjkOaNL8ZU5nnf2pomqC8ujqvLQU96+pwlvglm95i8hs2/p7s1ulCfjKvo5UVdC2Qoqf+CQIMD9mqX2faN9/rNtzpr7JvMQkPQKvG8bSHiOWbVohF4lW2O0KQKM3hDmA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729247574; c=relaxed/simple; bh=okMYu5Tc60lHAN7IyBOAyiG/fgxCIIqv7EXvuRYZN0A=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=LEVY178PC90K5+ZxODp260Y4P/qncxu51Fd979MQypKfE7HaE0N6PJbsZ7UBXRByu+bIEkuzYQdZiDK446LgnHs47wEJLSMFcv22hAgJ7dCmaj/4HCBccqVLZtqLxF2CB/C8DKIy7SunFkAQc2E8NSjlCQsLgIdinDrkcL0pysE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aladdin.ru; spf=pass smtp.mailfrom=aladdin.ru; arc=none smtp.client-ip=91.199.251.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aladdin.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aladdin.ru From: Daniil Dulov To: , Greg Kroah-Hartman CC: Daniil Dulov , Jes Sorensen , Kalle Valo , "David S. Miller" , Jakub Kicinski , , , , Subject: [PATCH 5.10 0/1] wifi: rtl8xxxu: Fix the error handling of the probe function Date: Fri, 18 Oct 2024 13:32:29 +0300 Message-ID: <20241018103230.437496-1-d.dulov@aladdin.ru> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: EXCH-2016-04.aladdin.ru (192.168.1.104) To EXCH-2016-02.aladdin.ru (192.168.1.102) Svacer reports a NULL-pointer dereference in rtl8xxxu_probe(). After having been compared to a NULL value, pointer hw is passed as 1st parameter in call to ieee80211_free_hw(), where it is dereferenced. The problem is present in 5.10 stable release and can be fixed by the following upstream patch that can be cleanly applied to 5.10 branch.