From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C66C25F97F for ; Tue, 11 Mar 2025 15:56:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741708568; cv=none; b=KYlARgKFqFuEOZPEcEChaBqco9GqIHgSUx59p+j1HcWxe4k3VzntuQ3UpQdryxjQXyug79ixId0jVzGzzzsVsnnlnCC4fmQt/u0gOqMvQRvpVnzEG1zC46RuYzM5FiGbTkJdXQbFiJkJY5M5Bg6ITT+ZxlPiyQOQdWooI7EAUUs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741708568; c=relaxed/simple; bh=sc10Pl/zyyF8BPF2JK1mZI7HV2hkrXbUl05fR/5+oFc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=oJhkkqHi+LVoT7UWyet4d4kIQaaSCFaicZ6KJcp938V3SrAxeuIIdtkn3yeWsqH87Njou3dvgDvkJvQWb2MX83NLPbc2bXM9CSPOtctQnMnyzMUoNWO4Tn+JjQpEeMc8iwwOi0cMYwScOwmq1yz2EHplmiT14ojAF1McgPxoe+M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-85aec8c9633so1156680639f.0 for ; Tue, 11 Mar 2025 08:56:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741708565; x=1742313365; 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=FRrgZHOV3bUp6D7hSoq5Vx4W3eVh7jENoQ0JRVmYyRo=; b=pNw6V2V1QmiYGbVI5jOZ0ywxZXiYKx7hIobBVRnYuHUx8BJ3Q+CcKQYOKkhRwpR5Uc nMVJlu9ePO1wAMS4kWMSAQYUZMcrSPoFtDMhesUU2jcJikkE6KnS3IedRJaBYz64Ngxe Z7Dg9SXCqc4CXjUo2LtxGAWSrRJ9Kaj2mMxZUAWkCbh/mO9EDFHjB74UI5H8c1KIiCvz Lc0qG5L9QfOo5ZSlKD9Xsv+M1iwvczhgH5Twe0+f3piYovyPOTK3lPwuZ2rWKBS95U3f wtvAkJB537caZsgqv3nwLwiIQOfW7N4bFGKfB4YP906Njj9GdYlCEIwhw4Rg/n9OujKe bJ+w== X-Forwarded-Encrypted: i=1; AJvYcCWWE1JJUw2ltfrDS5beKRr45pt5aRjqAnu+aB9KXYv7VPhjLqSxkW2maWwpzf75zKwx3BqhQjGRTKA=@vger.kernel.org X-Gm-Message-State: AOJu0YwoWA4N/Z0vds5vpqAAjF7C0wbpnNwrAAgfLAGKGL//jdfzP0jZ KxIAUUhGbeG7IPVSrdRRoE4fYPAoC1xl5clI5tGkAkA2zUz0F0g67w2ZLqmfwwiYZuH13Ia6zfi xpoLkeHjDaT0Fzuzt+8F9VXlPlrut84GOhCw7FmCbwoe55dUuGPLCqCQ= X-Google-Smtp-Source: AGHT+IHxXFdrlN/sWn5qmnyi6aWSNe1Tfz8GvTH5kIuQ4yiObhgacWvV92BKVdx3Qc4jr17Dky5O7qoBZ1EQgvO7cpheIb/kTS5Z Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:240b:b0:3d4:244b:db20 with SMTP id e9e14a558f8ab-3d4419296b0mr188445365ab.16.1741708565295; Tue, 11 Mar 2025 08:56:05 -0700 (PDT) Date: Tue, 11 Mar 2025 08:56:05 -0700 In-Reply-To: <000000000000ba5cfd0609d55c40@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67d05d15.050a0220.1939a6.001a.GAE@google.com> Subject: Re: [syzbot] [tipc?] [nfs?] INFO: rcu detected stall in sys_unshare (9) From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, bristot@kernel.org, daniel@iogearbox.net, haoluo@google.com, jmaloy@redhat.com, john.fastabend@gmail.com, jolsa@kernel.org, juri.lelli@redhat.com, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, martin.lau@linux.dev, netdev@vger.kernel.org, peterz@infradead.org, sdf@google.com, song@kernel.org, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, vineeth@bitbyteword.org, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d Author: Peter Zijlstra Date: Mon May 27 12:06:55 2024 +0000 sched/rt: Remove default bandwidth control bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=176de7a8580000 start commit: 45ec2f5f6ed3 Merge tag 'mtd/fixes-for-6.8-rc7' of git://gi.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=fad652894fc96962 dashboard link: https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12b890ca180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154fbfe2180000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: sched/rt: Remove default bandwidth control For information about bisection process see: https://goo.gl/tpsmEJ#bisection