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 11A7F5CDF6 for ; Wed, 6 Mar 2024 08:27:04 +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=1709713626; cv=none; b=lSxixzynPmdXmZgfyyYrLdXyW4Uz14Hzy2TzhcsmZet25cPr/1760Czh36Ml54pkHWwGGqgDmu01d3Dl57cQJiNqy0AwRmXezIBkfIrjyHKmZLjcaPhcLWLLNOFDIXECxP1fqhGm8092CbEsVzY+0TogVUjHj3RZ5lL+9JcRtME= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709713626; c=relaxed/simple; bh=JlyL6DFG9I9DS9LmJAlSk/HEzmBIQT/HDz8liPmMN0E=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Q9kpVUI+tmWH8rUWEMw5jaTGukwDmXZn1HodmhW21f32xLp8nfd+IcR5wwazfoH3CjIb+YDYalhLGLflZDaadxANbS3/qIWvxGuttf3Z81AlAdlPaPTs/YtSO84u6Vocu7Tj+NElhwnnaTtIIJ0HeWOOm6vqcTO1+V+m/xTJVcw= 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-365810221f3so57257315ab.2 for ; Wed, 06 Mar 2024 00:27:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709713624; x=1710318424; 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=wFky0MkM2gx1sgYAsTUNFhAzVnvGAsKVinHJIY9WMw8=; b=ouSL6cSvrgVZ2yzzU9hhfafplJM4w2jSSAAv2pvoU2lert9YhxEUMorMQ/q+XQYY1u isjwRvobCMuYNeJoRrPUdVtL54kIgqBPFGUyH49lfiQSsmI2HZ9cWLmjybdb3MjBseYW EhQ7dMLtoNKS59nRuzHerPkbB3zDU3aHvcw/qkSALkz4mbWem+bLq2+JzBpH2hLDGqu+ mSsKqkGEvrDuMBMfWkPjCtydQO6/027YXKLzFt0S6TdqaWxMq3f6fUHtZnucPSbGqDdX AvZ2UaZmuPxOEsHYRXUjADzRxD+Yxtvxu0+tE1HcqilLCpGwcI8SayQ25MQ+9r0/2Y4V kphg== X-Forwarded-Encrypted: i=1; AJvYcCUPTI0E7AVZ6R6ON//9TtWd3jbyyBvNHk9Ix9udUefbKRpTrTB/0u4Olhc+B0U0Hq1weZol8Lnrx4ySz6+uX7iq3N9km/s8 X-Gm-Message-State: AOJu0YzjPYTYNpaaeNiisP8oRAqXrMq05hzpI+tfvyV3fv6tN8ac58c9 OBORqgQCvk1bCdEkbVmbBIWoTnQ1Eu17UaWHdm++lwPbMgprNn3Sj8uxwX0bDKAPJtK608rcoV+ 0HurY7sjcZn8oR5k9Ink4WLZqTeYihxLaFY5f738GKXht/2me1w4luYk= X-Google-Smtp-Source: AGHT+IHgyylix9GwtwXYsf7Xq6RBrR4Tb9F14qEFn1iDWpp1TrBRT1ITVHSPRlY+6AGoCx2u/CQ+yQp2J7M/jn2BnqkSxQGx1TAG Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c8b:b0:365:1c10:9ce2 with SMTP id w11-20020a056e021c8b00b003651c109ce2mr882329ill.2.1709713624384; Wed, 06 Mar 2024 00:27:04 -0800 (PST) Date: Wed, 06 Mar 2024 00:27:04 -0800 In-Reply-To: <000000000000a97e9f061287624c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003fde310612f9b943@google.com> Subject: Re: [syzbot] [net?] possible deadlock in team_port_change_check (2) From: syzbot To: davem@davemloft.net, edumazet@google.com, jiri@nvidia.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, liuhangbin@gmail.com, netdev@vger.kernel.org, nicolas.dichtel@6wind.com, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, xrivendell7@gmail.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit ec4ffd100ffb396eca13ebe7d18938ea80f399c3 Author: Nicolas Dichtel Date: Mon Jan 8 09:41:02 2024 +0000 Revert "net: rtnetlink: Enslave device before bringing it up" bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=163d5686180000 start commit: 90d35da658da Linux 6.8-rc7 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=153d5686180000 console output: https://syzkaller.appspot.com/x/log.txt?x=113d5686180000 kernel config: https://syzkaller.appspot.com/x/.config?x=c11c5c676adb61f0 dashboard link: https://syzkaller.appspot.com/bug?extid=3c47b5843403a45aef57 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=158ae1de180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=165f2732180000 Reported-by: syzbot+3c47b5843403a45aef57@syzkaller.appspotmail.com Fixes: ec4ffd100ffb ("Revert "net: rtnetlink: Enslave device before bringing it up"") For information about bisection process see: https://goo.gl/tpsmEJ#bisection