From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 ECA0153A0 for ; Fri, 15 Dec 2023 03:20:04 +0000 (UTC) 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-f72.google.com with SMTP id ca18e2360f4ac-7b70cd96b33so32863439f.3 for ; Thu, 14 Dec 2023 19:20:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702610404; x=1703215204; 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=AQyEELprIDEbtTkUwA4nnT0Wu1uDLHkRLspT1Fn6XJU=; b=FGf1U2l2erfuhKZn0ewG2Y431aNTM3H9kc1ODF2SWDe1eFu/wL/Bsg64uu+KFnyCLg tp02zkbCBO96uteuyaMpPCWW+2MEo30CKh8qaMUMfbz6OcArc/oIB/pu8Yy0z5HxpsJS QPPFUXZTfMv1SxqdM3G5LB2oaCZ9EOX6MuHOlqRI8rC2iIqsXLa/RkgQoboSsEfeo5u/ H1ydwWQNPCYMXMIA2ZDVF1THZPDqTR8HDywI2eSqesEcWSME1Ab/TUkOhuCgdLKD97Ce /Rh9tKz6cufyKlBhFp5xH41qIWlOBJuB09/1+l/dS/E54z9/V6FAQM4n3pNB8c5YiZGR fjpg== X-Gm-Message-State: AOJu0YxYrPxQrHGlf50FzGzZ6LecCWWO9G39dqZkn7UPh8l2nJ2beIB8 ju/OSFnpJGZQ7VUJ9t1BE6dIgsQqd5v4RH1dsqG4+cd704ro X-Google-Smtp-Source: AGHT+IFSmETvZ2PGKq7WWyYsYOvKShW8hfRpSuc2mR/bEUzi09+1SVucE9q4C1zxr0q4t9qCRzcJUHC049ncKK4A2KARey/PGRpF Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:2720:b0:468:fbcd:15a9 with SMTP id m32-20020a056638272000b00468fbcd15a9mr184105jav.1.1702610404132; Thu, 14 Dec 2023 19:20:04 -0800 (PST) Date: Thu, 14 Dec 2023 19:20:04 -0800 In-Reply-To: <0000000000004f4579060c68431b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000544e17060c83e034@google.com> Subject: Re: [syzbot] [mptcp?] WARNING in mptcp_check_listen_stop From: syzbot To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, martineau@kernel.org, matthieu.baerts@tessares.net, matttbe@kernel.org, mptcp@lists.linux.dev, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 57fc0f1ceaa4016354cf6f88533e20b56190e41a Author: Paolo Abeni Date: Tue Jun 20 16:24:23 2023 +0000 mptcp: ensure listener is unhashed before updating the sk status bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1279cb71e80000 start commit: 2513974cc3e1 Merge branch 'stmmac-bug-fixes' git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=1179cb71e80000 console output: https://syzkaller.appspot.com/x/log.txt?x=1679cb71e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=b50bd31249191be8 dashboard link: https://syzkaller.appspot.com/bug?extid=5a01c3a666e726bc8752 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1119061ee80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=110ca006e80000 Reported-by: syzbot+5a01c3a666e726bc8752@syzkaller.appspotmail.com Fixes: 57fc0f1ceaa4 ("mptcp: ensure listener is unhashed before updating the sk status") For information about bisection process see: https://goo.gl/tpsmEJ#bisection