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 C8374C433FE for ; Wed, 1 Dec 2021 20:50:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353062AbhLAUxx (ORCPT ); Wed, 1 Dec 2021 15:53:53 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:55276 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239936AbhLAUx3 (ORCPT ); Wed, 1 Dec 2021 15:53:29 -0500 Received: by mail-il1-f198.google.com with SMTP id f5-20020a056e02168500b002a169f37fbcso28787149ila.21 for ; Wed, 01 Dec 2021 12:50:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=X/WRQR8STDSXJRhWuJ7l+MpIYKViU5igfD9Z/w6cwnE=; b=J0xREsy2sFltK4YZBBLknffzYeCfSYTAWSg71iQP+aCB3x9M3c3yCo+Aj7HVUxienW Q6bYC4C30jpIHInVj1nfn6PvrPJfntKIDUDUZJHiBcJy00+J/BbaNarIv9aMwCwggPmy zdmL103TrfUcjS/Rh3E7kSYqmcPiYVw2lDiqya1O8OX5ODirQlBNwzv+VqcVXs9kV0yL lgMptNEUQaafYlObyepsU7AUUSaDtp6C2D3V0LVwarF68nh9+R2PIpfQzcsmI3yossM0 6GEI4s5eQ6wUpwXsRr0TQOUG7i9dBB+B84CmDYKkqQlrEeQ5tnFr0cKLMWeoiYaQjF+g pmMg== X-Gm-Message-State: AOAM531Q9QE11IjR3fCHoL1VpeOsdxqRFpfns0w2jQVFrSkq3hDFspL0 NEvpBz+8Pe1BU52+NFCgMbLJxr+eeN3s5FJbbxdDBt32rJl1 X-Google-Smtp-Source: ABdhPJxwnTjayukxQsPm7f3vzoFuy8C1JldbQMohbfblKSqInY3rP+nF24H24uBktfOukSFRQgYKFbRtf7c4JSZgMRbBhRziF+lR MIME-Version: 1.0 X-Received: by 2002:a92:d291:: with SMTP id p17mr1253204ilp.154.1638391807990; Wed, 01 Dec 2021 12:50:07 -0800 (PST) Date: Wed, 01 Dec 2021 12:50:07 -0800 In-Reply-To: <00000000000069924b05c8cc3b84@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b7e3ee05d21bd19d@google.com> Subject: Re: [syzbot] WARNING in trc_read_check_handler From: syzbot To: bigeasy@linutronix.de, jgross@suse.com, jiangshanlai@gmail.com, joel@joelfernandes.org, josh@joshtriplett.org, linux-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mingo@kernel.org, namit@vmware.com, netdev@vger.kernel.org, paulmck@kernel.org, peterz@infradead.org, rcu@vger.kernel.org, rdunlap@infradead.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 96017bf9039763a2e02dcc6adaa18592cd73a39d Author: Paul E. McKenney Date: Wed Jul 28 17:53:41 2021 +0000 rcu-tasks: Simplify trc_read_check_handler() atomic operations bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1281d89db00000 start commit: 5319255b8df9 selftests/bpf: Skip verifier tests that fail .. git tree: bpf-next kernel config: https://syzkaller.appspot.com/x/.config?x=9290a409049988d4 dashboard link: https://syzkaller.appspot.com/bug?extid=fe9d8c955bd1d0f02dc1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14990477300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=105ebd84b00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: rcu-tasks: Simplify trc_read_check_handler() atomic operations For information about bisection process see: https://goo.gl/tpsmEJ#bisection