From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 9F5FE8834; Tue, 6 Oct 2026 23:30:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791329415; cv=none; b=I11WUPT3gdxF+pQPBcpdvIk7zvLe2Abljf+EEhkmqjSkOu79BjnRpjHVo+BnwErBpTdB0jxcZCjHE9f1OScsYLzq48pTEGMO5nmbdC2Um25JkJSIAoe3blJ4/g6gGaSmh3SEYOOCSQl03w8XzMYezqKOm02n2wcMDMx6mI9ietg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791329415; c=relaxed/simple; bh=Yu3e/dlOY6ncU/Clfd/WS9zYO3/bqardkvrQCRBZpTs=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=kC75GpWYAhcFqogsqXMWfQDSBwsPj5GYF/TnILPcJFm/8gHeLJfpXAYmDAccNQhW1vPGgofBldH3825m+iG93eRzhWwHlHmWUUCFjce40bjr3zxiJQo6V8Ft+OUEBP6UssrhU9H0+x4y3Xak1IzznHIKcEqlNNFdYhsJo+8/05o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z3zkTG5Q; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Z3zkTG5Q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 08AE81F0089B; Tue, 6 Oct 2026 23:30:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791329412; bh=A4NUyr/QO4DfM10YUfvefX6iA9EnpgE5LrXQNjc2WVY=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=Z3zkTG5QMHf7OKYpZoc+0hAnbgs8p8pRypv3lXRn5THM4d5dridMdcLtORPNpssrK 3twZAVx52SMs8uu+d4DoN9KSdRYXAECNDLIiVBMIe0cd21rxkwT1rm5gWvqJUNiAlw kdAvXZ5PkyQzAxf+9d6D90z3r8TlsSqnZOrR0guXGyxEf3ugsJPZZ7cGxIj7CLB0vH pfVzJVzhrXnXFDWMxlOSVmOGD4pn8miLbvcWQebsdieI1RCNQhMnSURcsIRwlcyMYb e9YtSxskyCSmJKJOxFe0SadcbOihpKiMNCTY3f8nuk7KAF+1YGXy2lZ6A27Qg7G4/F 2sudriiBShXYg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id F14563806541; Tue, 6 Oct 2026 23:30:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2 0/3] ipv4: handle nexthop group shrink races From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179132941041.2826662.12574878292005935947.git-patchwork-notify@kernel.org> Date: Tue, 06 Oct 2026 23:30:10 +0000 References: In-Reply-To: To: Daehyeon Ko <4ncienth@gmail.com> Cc: dsahern@kernel.org, idosch@nvidia.com, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, deliran@verdict.gg, donald.hunter@gmail.com, amcohen@nvidia.com, roopa@nvidia.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 2 Oct 2026 13:50:57 +0900 you wrote: > fib_info_num_path() and fib_info_nhc() can observe different RCU > generations of a replaceable nexthop group. An indexed consumer can > therefore accept an index from a larger group and receive NULL after a > concurrent shrink. > > Patch 1 is unchanged from v1. Patch 2 addresses the analogous > fib_dump_info_fnhe() race Ido identified. Auditing the remaining > accessor pairs found the same issue in the RCU-only hardware-flag > notification path, fixed by patch 3. Separate patches retain the > correct Fixes tag for each concurrency boundary. > > [...] Here is the summary with links: - [net,v2,1/3] ipv4: stop PMTU walk when nexthop group shrinks https://git.kernel.org/netdev/net/c/6619e01855e6 - [net,v2,2/3] ipv4: stop exception dump when nexthop group shrinks https://git.kernel.org/netdev/net/c/4f4afc07dcb2 - [net,v2,3/3] ipv4: stop route notification sizing when nexthop group shrinks https://git.kernel.org/netdev/net/c/d3daa33c7af9 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html