From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 86B041C75D for ; Wed, 24 May 2023 15:34:55 +0000 (UTC) Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65052135 for ; Wed, 24 May 2023 08:34:38 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-76c550fbae9so74539139f.1 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=ImHSdvtOKsUf5DcrBTHOrJQnhH2DY5UE19WHfBFBayyD8poofcA29Pdcg7cfuZYT7s LfFHwXaazrStPGFEfAUB46juFi3Ea9rPMClwUuWA7EHMEFpApob9oTbayUt4Z9fFzky7 ihsb+Tb2L+JW+Wv8UhxeVSvtBuVGNNeoY+vH8hz3ELKeB5wJpYxUjf/OFMG8Xj1TkzPe d0ELcM2b6WLDmWBZKE+sGK0D0aUSc6rJDj+zEToI2fcFch1AilOkmyKUNBZEWPOtycmU jHTNYaUmahOh4hdkwIpjSxESwfx1amzqtjp/UGs0YjuC256T/VYIQ3lytyEoZf3j4FPr Perw== X-Gm-Message-State: AC+VfDyvdG1FYS8hvSOSsfrS4XfseU6Vto6I4T4RKcQA9zQC/7Ju3CTH WinqX/b08LMfrlwOhD27Nu5KHB0qGytZ+Pm1u6X3SfcR0T5r X-Google-Smtp-Source: ACHHUZ6q5mO1T8gb2eI3lddVojNyJnQ4DpkZF8v0v5RpIr3dT2WS/6KdBB0hkPjO44QtlWvJMFdZ7X51TbycGEQZ6z10SZfqpLAn Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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.