From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 986F0C46CA3 for ; Sat, 9 Dec 2023 05:15:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234261AbjLIEke (ORCPT ); Fri, 8 Dec 2023 23:40:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229731AbjLIEkc (ORCPT ); Fri, 8 Dec 2023 23:40:32 -0500 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73ABE1AD for ; Fri, 8 Dec 2023 20:40:36 -0800 (PST) Received: by mail-oi1-f199.google.com with SMTP id 5614622812f47-3b9e506f794so2930489b6e.0 for ; Fri, 08 Dec 2023 20:40:36 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702096835; x=1702701635; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=M5QeCnGqe5EXJ49xvLLJRk2S6ILUwbU1B105Q0H0/5k=; b=pYB1aXDtuBBXj3T7Wpb7V4oLynCUpfBMH+g/7Gv5yAYI3C01VbGcM2b8oHRe+BLr6t /fGHQIV/vf8PGTJ2Ew+wlIkshUY0lu9jlkd8CvYahEDofHw6hUOAGxqA4RTD/y++hOuj pGFt+ajs8uqwZQMvvLBINSKk5bFoNHl2CriGO2w9sN6Za9umIwB8jFAck8/N/qJeaR7B VwGBDAkrArNKMOlufxvfe9RqhwCW/huUIaHBvYMXCW/8BkFQfw7fmRv1FXL+BBoPWdSc VJCr5STK9HqxcPIaQzapCfCYiJhbV+jheAeG7fz+WsHLP8//4jDO+KNmgDar5yTwbQZn hPCA== X-Gm-Message-State: AOJu0YxiWumupzucmjQKgieN74gO+g0hL3gYZRx3lSF3aLPHB++ttF+f gdUuuuMQv0KchzZ/rS2adDmWEescTTbJ/Ew7UVI1sTQX5xiza1s= X-Google-Smtp-Source: AGHT+IFVb40pUfYC3Les1xqK1P/wnbItAS8tyn1dZEhm0nbImww5VJjxVyKflKaWQio4WBk181STDJznXSU9aQ5A1xtpo6XhI5zq MIME-Version: 1.0 X-Received: by 2002:a05:6808:1597:b0:3b8:93b3:ea9e with SMTP id t23-20020a056808159700b003b893b3ea9emr1041694oiw.9.1702096835879; Fri, 08 Dec 2023 20:40:35 -0800 (PST) Date: Fri, 08 Dec 2023 20:40:35 -0800 In-Reply-To: <000000000000bfba3a060bf4ffcf@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000046a8a3060c0c4d2c@google.com> Subject: Re: [syzbot] [arm-msm?] [net?] memory leak in radix_tree_insert From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: [arm-msm?] [net?] memory leak in radix_tree_insert Author: eadavis@qq.com please test memory leak in radix_tree_insert #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 33cc938e65a9 diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c index 41ece61eb57a..f08f7ba7d2b1 100644 --- a/net/qrtr/af_qrtr.c +++ b/net/qrtr/af_qrtr.c @@ -911,6 +911,9 @@ static int qrtr_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) u32 type; int rc; + if (!msg->msg_iter.count) + return -EINVAL; + if (msg->msg_flags & ~(MSG_DONTWAIT)) return -EINVAL;