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 45A1B3F9A05; Mon, 17 Aug 2026 20:50:55 +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=1786999856; cv=none; b=DjmKxxB/gmnyQngKMVnM0UNwBnK3dKnGqb4utVN6JwgFeNxUmTndTUe6bzBCZpis7Sir7EglL9zsqOKvrgGJOHM8E9CSSEMXh1t5RdMC+GziU71V7fLF3joNiZfrrDSrE/AMclJIIAmOHAr53Ggf7F0+JOQYdBujpX3j4D4JUGk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786999856; c=relaxed/simple; bh=uQWYlvNtprcrUs2NonSBN07WkAMweaEP5BxWLT1sM6U=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=qiBO9uEpmfU0q/OE8xemFnZQ0JAUn5zGJguVMZsL8ee4dXu3K9dJm/sXxuJGA9efhuDB+EHvfwW58jMW94FnQpE4rWlNNH9PcDEtlVfEQTu2wJeuUfwCB2IYFLAvSbPD2o2i/OhCLZKBNO7enP7+EGm2Ar85gZ41JoL6lCh7wk4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KdOfHk/s; 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="KdOfHk/s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B2CA1F000E9; Mon, 17 Aug 2026 20:50:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786999854; bh=kC5S8J61dBF/7D+JWeTc2KgDl3sGaOaiUwA5xWr8AWo=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=KdOfHk/sgBn52m4RRI0dYIkxgAvN7kQT/OHP+buX57xoNBTMbJlN3MVYKu9nalmYe l4UkQsses+siIlUXHNavhYpXd4kBquLCW3WUlQkTA9gskdyjnVu/dxzoIzYuTnlJ6u 8qwt9tGdI1Oy7Eq+uRrFA4aBYmDUmUBM6QszfiVeKpsPOKFKHAebDdX6mVuoqWC5/h Cji49s1vtsPCvmu6TLoqNjVIXOUP70vVqF2ZI1Bl75drnjAfVgLtqzhUesGi7hbEgs o5aixseXw+6TgZ/lyOlwJCFyXXGw9uerOZIvVQyJ5rNXOBuAu14UMMlKfGaFwl49De 0rkKdivBxZ/Ng== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D09D13926265; Mon, 17 Aug 2026 20:50:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: kcm: Hold RCU read lock while running BPF parser From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178699980640.1732278.16910244433930801525.git-patchwork-notify@kernel.org> Date: Mon, 17 Aug 2026 20:50:06 +0000 References: <20260813035136.106167-1-zirajs7@gmail.com> In-Reply-To: <20260813035136.106167-1-zirajs7@gmail.com> To: Junseo Lim Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, rhkrqnwk98@gmail.com, tom@herbertland.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 13 Aug 2026 12:51:36 +0900 you wrote: > kcm_parse_func_strparser() calls bpf_prog_run_pin_on_cpu() which > prevents CPU migration, but does not establish an RCU read-side > critical section. Consequently, BPF map operations can trigger > WARN_ON_ONCE(!bpf_rcu_lock_held()) when called from the KCM strparser > program. > > Hold the RCU read lock while running the program. > > [...] Here is the summary with links: - [net] net: kcm: Hold RCU read lock while running BPF parser https://git.kernel.org/netdev/net/c/b0346dd64e49 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html