From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4EDAE334C0D for ; Tue, 19 May 2026 11:50:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779191432; cv=none; b=lJA+S5w6nDtdaHQFVP3Sme1WO+5a5N4RxEVE31J06YLGaUjspk7QMpHgy5Xzg96rpUe+rEdZUG/l4NsRalj0CvnT3atnLXA+xspx0okyj/xeb9fC6tFIDPgj6UGzi/s+hoQi4l25EK0bYtpeHKf6Z8tV/A/bbmVpYyQ8tVgjWfc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779191432; c=relaxed/simple; bh=OyQsX7idgcssptZstX5vigLcVRwLwRvmK9vB4BIKGSw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hlwcFV66tQl9ooHhkPOjHJ7pNL1DNyPSZXUHucdq8dS8p4415gXtqHSbm/Bok56/cNQHCSDB42nJA1612Sm8qGRBYVhQ1kK/Ys+pDHdTUTAJ5Y99CrkqPpyuzpITiUvUfsmHknCoewF0/+6Wws3PRVJFb8z6X5/3jvxmU4o4Y2Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=MUJjFg8W; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b=CGlowHMk; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="MUJjFg8W"; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b="CGlowHMk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1779191430; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=68OnP1gNsBAUMWfzpESCPcyej0kcUsoOiuP1lXrMSLc=; b=MUJjFg8W5JSJaOnyjC86PxJ5AKUKWB27ZkiFTd6izkXPYKtctwQaFDhmkzfOjMdko6tX5x n41amXiAcwBoNkGb387jisDOkuOJ+5WKAPMlmqDOVEZ92O9+dTa142oYR758EVOu4Nej8g 7LPrEE7UFJS715lhcDr+BuaIA8UzXgY= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-573-8v9lCWmCOPa9ZVcEpD842g-1; Tue, 19 May 2026 07:50:27 -0400 X-MC-Unique: 8v9lCWmCOPa9ZVcEpD842g-1 X-Mimecast-MFC-AGG-ID: 8v9lCWmCOPa9ZVcEpD842g_1779191426 Received: by mail-wr1-f70.google.com with SMTP id ffacd0b85a97d-45e55c44ac1so2800729f8f.0 for ; Tue, 19 May 2026 04:50:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1779191426; x=1779796226; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=68OnP1gNsBAUMWfzpESCPcyej0kcUsoOiuP1lXrMSLc=; b=CGlowHMkrDqnYZVtzqh5YmcKyeF60j6zCXQ04TtzzlTDmsjtjbJE4Y/twakWRsp3Ss MNaQSr2gQk95xWnECW5txxQ33wrquCfKXBttuBAcrLUcU7bGjWa0nBReF+e9NUu0IFMy YtgSn7xxtDvNwhAmQhEhPqSK/0FASz5Q8hQCY3+7u0FqgXQsqpz/tpl7agsZJwQ5DXMd FHBuErzWt3t2h7jX+66/n6/6tneHJjsqli1quoZfYyMkwGtXwJXlkQ34IQmaE7RakdVE lL5xdmM8Orl8cNolLKG2wF5ouTaw1z+9c3QwJXG+OWaQd3JQmSjlqVWoEkNZ5wdYJJw4 2Ssg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779191426; x=1779796226; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=68OnP1gNsBAUMWfzpESCPcyej0kcUsoOiuP1lXrMSLc=; b=si0FfKVZ6EHH3IPXgJhgvX6MasitfIXfvetZiLgw2A/pUd4fGwrOI7byHCSYj8m4ww FklMQbqxOzQsmxyz229+No6T+EpI09bW+qaBHBEspfqNMGAAvZE/vfRgQuYXxxGK45OG KX5qZbB2HwxPQR7n+HgNWJw2rQWlza1a1VRSdhWDse4p84+j3/7RA60OL23v6MvZ99pH gyLpFYWw8/RFalnAbVePT1iUNQjDKuvfB4RApaKSmf4wciGW37m//SpEKzv1AdcmSfzn 7dJFtN1BbyIQKJGavURzQ8hM3VOxFav5q6QEMhbvdDWH/j4WE/nWbVCWtLw6KWgokn0R 0o5A== X-Forwarded-Encrypted: i=1; AFNElJ8QPeCm7w53Y9AMtfqgVEVEbROQfwYJ1ndYMmQSTTi3a/MVNiQrn0plF3i48HS5XbqEXx2W0II=@vger.kernel.org X-Gm-Message-State: AOJu0YwUbo1YG+Y7/v7xNOYY7pfUlpGdjYE+NTymi7pLi/yG8GIuEs1v wVdgnojySIGVqBisb71bTAgHA0XLiLB6MIjmRZGzIKqsB8kutIM/8GUX1gFDyX7d85rKZiwgq3p PGaoYyODJIi26+f6qZ7w3c/RM7ZJQX8I//YgnqM1gAxv5WqE1ZLeSZmCx6Q== X-Gm-Gg: Acq92OEnfWukVqm7RtMbRVK63Y3uAyL8cCLBQgDUNPQGNJ9eU3BnX2DC+mUsRmeFWp0 WQX29H4ujKlqUvtsIBgQ/ZrawvCSfQhXFSkVn8E72W7PuxeHKEUHYAdQB9ITj7pkKkXbKmbxGSS 8QJ3BnnNUeHdY38kAphp4IFo2gX2dbCqBAFLmo4ztCHGFKqN9zcCZ8vyDTr4qIs+tJSiyeNK28g kScGH4tflyTgbrcwqyXwlJCz6CnMdNB3Dd+EJqd5+/3iJxVsnH5WYsA9gbsAUKm02DVHhQvksDs H6elQOW+lM20lIMwVpWEd9CYiMl+R5ywhvALOplmfg+9YvmtlzgfsjRgJwAfiJsDFaUET0UWsXU KoqPUewD+6wM8Ze8gL60yxTP485B5pnZqE+PuD1d5OvNV72a/Ym9GhOE+D+ZXs/BhAw== X-Received: by 2002:a05:600c:4e46:b0:48f:e230:8cab with SMTP id 5b1f17b1804b1-48fe6626cfbmr300401605e9.31.1779191425784; Tue, 19 May 2026 04:50:25 -0700 (PDT) X-Received: by 2002:a05:600c:4e46:b0:48f:e230:8cab with SMTP id 5b1f17b1804b1-48fe6626cfbmr300401245e9.31.1779191425353; Tue, 19 May 2026 04:50:25 -0700 (PDT) Received: from [192.168.88.32] ([150.228.25.33]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48fe5e9d5d9sm376170905e9.15.2026.05.19.04.50.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 May 2026 04:50:24 -0700 (PDT) Message-ID: <98bf6672-334a-40df-a21d-c53fac584314@redhat.com> Date: Tue, 19 May 2026 13:50:23 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net 0/5] pull request: fixes for ovpn 2026-05-14 To: Antonio Quartulli , netdev@vger.kernel.org Cc: Sabrina Dubroca , Jakub Kicinski , "David S. Miller" , Eric Dumazet , Andrew Lunn , Ralf Lici References: <20260514231544.795993-1-antonio@openvpn.net> From: Paolo Abeni Content-Language: en-US In-Reply-To: <20260514231544.795993-1-antonio@openvpn.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/15/26 1:15 AM, Antonio Quartulli wrote: > Hello netdev team, > > This batch includes a few fixes for net. Specifically: > > Patch 1 fixes the remaining of the selftests in order to avoid > TCP failures on slow kernels, where pings cannot be always > delivered on time. > > Patch 2 fixes a RCU deref outside of the RCU read critical area. > > Patch 3 fixes a potential UAF in case of a TCP peer that fails > to be added to the hash table, while being fully initialized. > In this scenario, potentially ongoing TCP socket syscalls would > attempt accessing a free'd peer. > > Patch 4 fixes a race condition betwen interface teardown and a > new peer being added via netlink. The race condition would lead > to the "ghost peer" endlessly holding the netdev while the core > is waiting for it to be released. > > Patch 5 fixes dev dstats updates by ensuring they are always > performed with BH disabled, to avoid concurrent updates on the > same CPU. > > Please pull or let me know of any issue. LGTM, but sashiko idendified a number of pre-existing issue that could deserve some follow-up: https://sashiko.dev/#/patchset/20260514231544.795993-1-antonio%40openvpn.net /P