From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 6BFE21DDC0F for ; Thu, 16 Jan 2025 23:18:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737069488; cv=none; b=gUifylQFbMqBvy/Kgznx2xwt9XC4LXjL1n2+D5SqPsff7y2nwxXsQe9snP/PsRHMDTCxLp4zztwgCmwE3gtcSP9iJNBJBJIdeIqgsZ1BMSBUgEOkuahlV8RLJaGt4SnMuHqmnLgPSl1YFAEvZsq8qr2RtDV7gnwXgMU3TJdVx8o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737069488; c=relaxed/simple; bh=TPnA6U8ghNHu0oo+3co6GMR1pGMkE8ePkE+4Zlez5rs=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ual1T3kQLRyms58U8KMLPgw1W01xnIkZ0LC9zt06hh7ylqJhDCB8Hfbv5lv8zwGExYvwFDk3SnjCVWMsr48ygwRv15ixs++gm88Z/P3lktDA/ZEq+ccix60TSdQrm/xcwZnOl+JTDRgyGtFSSo3G/qN01MimP/A/xBH/cLmVDsk= 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=209.85.166.199 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-il1-f199.google.com with SMTP id e9e14a558f8ab-3ce848eae40so23142205ab.2 for ; Thu, 16 Jan 2025 15:18:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737069485; x=1737674285; 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=dR18HibPiRxqLQ21bpS857naVam6tjH2PIMB9Rsc8NU=; b=u/+n0JbN45x4MUUL1oM2sAOUGTZy1ATqFIUSKh1MHgUY7zg+tdAqgdU+gYS0KjITs7 cQorj6ztYxKYzDv6LjpIplZ0Yt5KaVhbxtCS66DUofDCoxeuzduPeEvMaCps+d6it5/k +qlOLyhKIsp9UAADyW0P0TjvVf5985EXBNZsAPxCDXZ1XuNgFw3nKmpUNYeU2CByYe/x vX4BapKSh4uVpLc0EUN1cqq6KPuxVqFa5Anvnw/JLJ4NXeJtxm1cIIK08+wBBdFQYM36 yexhBnPYYMEh1XcbAnk7COqD/HVTTUFe71jNV+o8sQAsCL5UecW9JZTOyBR5V0rNIAxl oGKg== X-Forwarded-Encrypted: i=1; AJvYcCWsWko8fLmEwi4mcaNiSvmnEwLFFNtYPzR2xOnQjFljxICi99+cJniEDl2J9j3cw49ldaBnc9U=@vger.kernel.org X-Gm-Message-State: AOJu0Yy8m/noLim8BGqnUeVLXzOcUnY2Snm/Fl00jg6RjyAF4OuDDcIa 1aJkkgvU61ajfM+QeLSLuYp2dmHsfrln80q+UUWBiyIerjNqrRkrrKN95TpBrIFsmckJL1mZ+zl J3y6lNUJNdM0gEKSfQaPUfg8iF7Rx9VvKlaNEHR55auk33O8B7Z3GUrY= X-Google-Smtp-Source: AGHT+IF8vEPeSDV7ciTfQEkOWuUyRqZNoY7L8GegBFaJuVOiZDYStLmoUQpcYkmhabWhvzgGi9GH7OQFc3q91XPl2DunqYjc5XtY Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a03:b0:3ce:8b0e:8a58 with SMTP id e9e14a558f8ab-3cf743f75ddmr4303515ab.6.1737069485482; Thu, 16 Jan 2025 15:18:05 -0800 (PST) Date: Thu, 16 Jan 2025 15:18:05 -0800 In-Reply-To: <6708ce33.050a0220.3e960.000e.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <678993ad.050a0220.20d369.0047.GAE@google.com> Subject: Re: [syzbot] [mm?] INFO: rcu detected stall in sys_mprotect (8) From: syzbot To: Liam.Howlett@oracle.com, akpm@linux-foundation.org, davem@davemloft.net, jannh@google.com, jhs@mojatatu.com, jiri@resnulli.us, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, vinicius.gomes@intel.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 +0000 tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=124e5a18580000 start commit: 31eae6d99587 selftests: drv-net: test drivers sleeping in .. git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=114e5a18580000 console output: https://syzkaller.appspot.com/x/log.txt?x=164e5a18580000 kernel config: https://syzkaller.appspot.com/x/.config?x=289acde585746aad dashboard link: https://syzkaller.appspot.com/bug?extid=6f7c31cf5ae4944ad6f0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11d7270f980000 Reported-by: syzbot+6f7c31cf5ae4944ad6f0@syzkaller.appspotmail.com Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler") For information about bisection process see: https://goo.gl/tpsmEJ#bisection