From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 8D56A2233B for ; Wed, 31 Jul 2024 13:20:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722432020; cv=none; b=XHNZ/hl9jWgXxUrndKSMvPsl5znRDOZO8qBvyMYcN63t4Zj7r43uY31A/XKGTgNPvxffv3pUQ1LDnd9iIL0Rhd3zvcvZdHI95Pq3OVgz5JN1plwQm/oD5aYxfAlOTQanMEO91EuuMkWOMTZYPDeAJkYecV9CbZ+oJ5F6GB6LD48= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722432020; c=relaxed/simple; bh=Yyk3RfgdYHJ6/dUApLu4twHH63rg2J5cdTUwqR9dwy0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=h3rNY5S0KchSOauMcsnBTlyJqvUKYP5gXRO1j/cegldXCD1euUOI13aBpPQyHrMWnvaWpnMSIqA87/rxoNRVlUvbCzXOxI5VbTCopWxjfYyG6YNqYrn10RnBAo6gjnaBRoI2aDO507Wi3jUM8q6nMoWqZml6Kj/YwfAgUOCOSWM= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-396c41de481so98475415ab.3 for ; Wed, 31 Jul 2024 06:20:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722432018; x=1723036818; 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=CVHsxBOVR08fxxsU3c3HYsh8nIvqInLcXaNGPl3TN98=; b=i+uge0D9Sxuu2N0Hoi2D6RbuSD+c9d/Fi65ciSZjfi9M8ix790AOhX9WAKvGIg9iuU CzYwKQXC5Jb988RMPrSKG1RqTwcLUYc7f9p61GO+GkCe0oLvuNOUcgYowdmh6mOM/Lu3 Dqyhj5tHVLz3Xxb3qt+cnXaxlwtzZnsnWpo92zfPDV07/3LETW3XBzxxqs2e91saTiyV T2VM8bMNzO7kanjSQZON48MWHsC/teHs6tHNrANQ6vY1qMIjL/fH3wF3WmHAT7xaw1c9 rah5e6O9Up8pvWRrjMyfVN/JTaZO4kfRawg2WBshmXHc3TJ3kvDfsxgH0St33ipmFQKC i0Iw== X-Gm-Message-State: AOJu0Ywt6Zefn0SqTMTYYmOOSi1sXVsYgeZYq4V2vjh83KaRK70mq6Jl bvThxOM+evdp8vIjKaFtypI+djAvTbcJqvEDmmbQRKyZ0ynZVVYh+hv5PQlOFBmjmauwCA2cRhU 8wAsHaYQE7X9+27deRhcXaPf2TbaFM8J+tjnd888Bp6DmJoLSyKhfDwM= X-Google-Smtp-Source: AGHT+IHaCwZ7Hd7NScP3NUy8rosK31lt1vdOjiXOfq8rPQ2c1JQdsXcK+Kq/VtJmYBp5HaGSh/AgLMsGZcb8jaWduQWJ8ypMt94w Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c8e:b0:397:9426:e7fc with SMTP id e9e14a558f8ab-39aec256983mr11380605ab.0.1722432018689; Wed, 31 Jul 2024 06:20:18 -0700 (PDT) Date: Wed, 31 Jul 2024 06:20:18 -0700 In-Reply-To: <0000000000004da3b0061808451e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009fc0ae061e8af445@google.com> Subject: Re: [syzbot] Re: [syzbot] [net?] possible deadlock in team_device_event (3) From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [net?] possible deadlock in team_device_event (3) Author: aha310510@gmail.com #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master --- net/core/rtnetlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 87e67194f240..dc9f9c4dcb49 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2903,7 +2903,7 @@ static int do_setlink(const struct sk_buff *skb, goto errout; } - if (tb[IFLA_MASTER]) { + if (tb[IFLA_MASTER] && !(dev->flags & IFF_UP)) { err = do_set_master(dev, nla_get_u32(tb[IFLA_MASTER]), extack); if (err) goto errout; --