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 D316C1F61C for ; Wed, 27 Sep 2023 14:12:24 +0000 (UTC) Received: from mail-oa1-f69.google.com (mail-oa1-f69.google.com [209.85.160.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E19A1FC for ; Wed, 27 Sep 2023 07:12:22 -0700 (PDT) Received: by mail-oa1-f69.google.com with SMTP id 586e51a60fabf-1dd96cab3e9so3206675fac.0 for ; Wed, 27 Sep 2023 07:12:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695823942; x=1696428742; 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=x5+JvUZEOKzPf2ex0W9pSMvC1OvUezS3byGKI63FJl0=; b=d1KT2gEQRK4KYWm6ESQt9ntPS4uTNrDstCV0ntE5z9+eOC3aOk2uwXtgEtMLOwdb5l wM6R/Ni6ZLC77ndz/MWP0QRVpjZS5hWYoFRHtmcxn7zGM9VJi2NYhaolK0gm7bhrkfrq Ia5T4RuAihdW6s11YUs6JdHvngnNX/vNJLem3nDxe7ToPR4OPPomJ67iTF3kLPuv7IUw nMhiWgwXpg6eHfZC9Nw3+xtp8+lKMwKx1bp/DOUu/m4oUmdNz9odOHYptjnw9hEzz5Gy Akmky8HcTKdeFHRiTR12N4xNni/Es1CKxWfRu5wLjy74ZrpNOL709R3sq/KrN4X4B1Ju EiGQ== X-Gm-Message-State: AOJu0Yxa7Ly3Ytm1T3tAea3AZ/cA+D7R1wg8B62olxA2eEm867iVjkqi f3Fofdi/hv7cjqlKftfkaF6q5IhnD4IQncQcyMDuKWbrJuH6 X-Google-Smtp-Source: AGHT+IEXT9cv/7otRKCHIMyXe4a6OuyJUAPxPGuY/5OBjjcTazh1xGVVg8YXZdg52Yezvlv1nQK+3H0kUU4kY2hV/Fo/BtkLW7aV Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6870:a88d:b0:1bf:a06f:ce6f with SMTP id eb13-20020a056870a88d00b001bfa06fce6fmr748507oab.9.1695823942234; Wed, 27 Sep 2023 07:12:22 -0700 (PDT) Date: Wed, 27 Sep 2023 07:12:22 -0700 In-Reply-To: <00000000000029708206031ad94a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000adbe11060657c7b6@google.com> Subject: Re: [syzbot] [kernel?] INFO: rcu detected stall in toggle_allocation_gate From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, davem@davemloft.net, hdanton@sina.com, hpa@zytor.com, jhs@mojatatu.com, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, pctammela@mojatatu.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, victor@mojatatu.com, vladimir.oltean@nxp.com, x86@kernel.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.9 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net syzbot suspects this issue was fixed by commit: commit da71714e359b64bd7aab3bd56ec53f307f058133 Author: Jamal Hadi Salim Date: Tue Aug 22 10:12:31 2023 +0000 net/sched: fix a qdisc modification with ambiguous command request bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15dd4876680000 start commit: 950fe35831af Merge branch 'ipv6-expired-routes' git tree: net-next kernel config: https://syzkaller.appspot.com/x/.config?x=fe63ad15dded26b6 dashboard link: https://syzkaller.appspot.com/bug?extid=52d2f6feb48dc7328968 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13d34703a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13a9a040680000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net/sched: fix a qdisc modification with ambiguous command request For information about bisection process see: https://goo.gl/tpsmEJ#bisection