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 B5DA5BE42 for ; Sat, 14 Oct 2023 13:07:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-oa1-f70.google.com (mail-oa1-f70.google.com [209.85.160.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C37EBF for ; Sat, 14 Oct 2023 06:07:30 -0700 (PDT) Received: by mail-oa1-f70.google.com with SMTP id 586e51a60fabf-1bf00f8cf77so4118574fac.0 for ; Sat, 14 Oct 2023 06:07:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697288849; x=1697893649; 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=1/6ceZHQviZHWBwoxE7adPRErfGv6u0OyUKTGWcI8bI=; b=ZJmO2/aKxcNh2P2RNeSZlS3FmDB5hWvsPGUnYUJtv8HZXnVs878QGcs3fiGC7dYZiM XkmRtquReVoSOJajHcAINFgt8twn5gYfGE0b+h2Z2lX8Ov9jN+1EspKFHs67+lhsCQV0 MYJ2hNi5bfe+4BscJGMs/VJj/rbgII0ao3AkLjCXXOgxi6noIPBV5i28pgAJfJyAPLRM ZzvC0fNpd/iOpO6TbbZp2pBu7by3el4xan8yqWGYVSGKe7x1Nfcdbd1S/xtLqhnp5VsB kkJAzr25l2PBcM/16pQibsL0cgff2yxWE4eIZxE0OCzLJS3WtoI44H9mMv5/Wl3Dc7f5 7a5w== X-Gm-Message-State: AOJu0YxlQEjOwjcNQ16Q38dm/pURl39GAIMBV4bUXiktcyDzQagITC56 ESmGCSfSIQ9GVWZy3ClzSWdbk1thtyDIMK4hotfhKezE3JK6 X-Google-Smtp-Source: AGHT+IEVCXmtDm4/SgXnVdwVBjmB+6iLQnnDacoQ6B2a0YxsIaEpL48b/OQOJ6nt9o5XmKqieSHSUI18COA2sWNw0RWueMJ/nlKJ 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:d782:b0:1e9:6b2f:5ad7 with SMTP id bd2-20020a056870d78200b001e96b2f5ad7mr4590286oab.1.1697288848970; Sat, 14 Oct 2023 06:07:28 -0700 (PDT) Date: Sat, 14 Oct 2023 06:07:28 -0700 In-Reply-To: <000000000000ea44c905ffd26705@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ec9cb90607acdac9@google.com> Subject: Re: [syzbot] [batman?] INFO: rcu detected stall in rtnl_newlink (3) From: syzbot To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, bpf@vger.kernel.org, davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, kuniyu@amazon.com, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, pabeni@redhat.com, sven@narfation.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, vinicius.gomes@intel.com 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_NONE,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 e739718444f7bf2fa3d70d101761ad83056ca628 Author: Kuniyuki Iwashima Date: Sat Jul 29 00:07:05 2023 +0000 net/sched: taprio: Limit TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME to INT_MAX. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15b26a4d680000 start commit: d528014517f2 Revert ".gitignore: ignore *.cover and *.mbx" git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d576750da57ebbb5 dashboard link: https://syzkaller.appspot.com/bug?extid=afb3084a933aa2bdacc6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15849d08a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13184990a80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net/sched: taprio: Limit TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME to INT_MAX. For information about bisection process see: https://goo.gl/tpsmEJ#bisection