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[2620:137:e000::1:20]) by mx.google.com with ESMTP id s15-20020a63af4f000000b0050bfc85d989si2415890pgo.154.2023.05.24.08.52.53; Wed, 24 May 2023 08:53:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236780AbjEXPfV (ORCPT + 99 others); Wed, 24 May 2023 11:35:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236560AbjEXPey (ORCPT ); Wed, 24 May 2023 11:34:54 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21F26119 for ; Wed, 24 May 2023 08:34:38 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-7606e3c6c8aso73366639f.2 for ; Wed, 24 May 2023 08:34:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684942467; x=1687534467; 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=9/Qb95V1iOyhOuQYWTFvMei40qKXu9p08DPhqv0BihA=; b=YcUL4kryterEQJPaRvj8YVD+QrIc8HEqHelJ+vAxS1gvMrxWkk6mRZOJgj6DAt0a84 ZTgWIlCUbBlWtr5ZGEgYLBWx+mdtOcGslKLQgvRImU4RRM7yCuF6s8RP6IkzFDjf9C6Z Ic7ACyb5+hJyk6QrGnxP7LZXBXrQbIZ99IYhRY1VXMzL2CmFkvmnrxCHgZIQHpl5kX2L pb2c+cFmz/SEtgQOh7xMmmq06xlR08aC9o4m3kp3qRowbJm26a9m1NBFrsGTFkOkZbGx gjAcOnhihMyCRDDkAnAqiFhXxvsXm8F1BYWc5h6MOIRsdgyvQE0ZIBqLrI9vXjWXzGOv /a/A== X-Gm-Message-State: AC+VfDxGcZFlKyenjEEfT5YmlGpHywfycYd3unnP3pxj+gFGOuf9i/9g Sz0OlhkDyG87F2Fx2U8P2TZ9dLT0eZnarhLEUoNHBwK5hw9K MIME-Version: 1.0 X-Received: by 2002:a5d:91ca:0:b0:772:aa31:db2d with SMTP id k10-20020a5d91ca000000b00772aa31db2dmr8623470ior.3.1684942467357; Wed, 24 May 2023 08:34:27 -0700 (PDT) Date: Wed, 24 May 2023 08:34:27 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003bdf7205fc723d47@google.com> Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Write in mini_qdisc_pair_swap From: syzbot To: davem@davemloft.net, edumazet@google.com, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, pctammela@mojatatu.com, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+b53a9c0d1ea4ad62da8b@syzkaller.appspotmail.com Tested on: commit: 6078d01d net/sched: qdisc_destroy() old ingress and cl.. git tree: https://gitlab.com/tammela/net.git peilin-patches console output: https://syzkaller.appspot.com/x/log.txt?x=111cf24d280000 kernel config: https://syzkaller.appspot.com/x/.config?x=b22b5699e8595bcd dashboard link: https://syzkaller.appspot.com/bug?extid=b53a9c0d1ea4ad62da8b compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.