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 7FE7C3AEF34 for ; Wed, 16 Sep 2026 01:51:12 +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=1789523489; cv=none; b=ZE0NZrEeEdX8AUWiSdT1GfumsWt5f8wuy1R0Oi73VbCIo7Lx0QNobqjJLumQydAiExOevfqV3tZTCbIJ0y1Bs8zWmv6fnK4o7450X/g28grFVNiB2gFizlz214B6hY1LhKy1ndB1CfXLXXBMg0uOvjVxCJfAyHzpWACF1y4IFtU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789523489; c=relaxed/simple; bh=zsDePw4UurWYdYi1GeWbU4dIdy2imxbk4jv8M9lE8SM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=rHYvZO9VPm9+OMlq2uLWsTp/dg2/Sj3Y1exsRbp0SIiaWIwvU779KeV2mwXLSVy72epWDVNQ2/Eol1rb29cJbcaZb7KvaSKlHGNXcmLnGjGNRCSIaAwqbtHYHF4MR5WK9Y6Ho8A7t/JCl1l6/CA2VrUrIEuFx1uJolvyJawmnP4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CfkD1u0O; 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="CfkD1u0O" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 46BDF1F000FF; Wed, 16 Sep 2026 01:51:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789523470; bh=WYzfTa7B/dKK+1UOwlwhbpCeNLBmLUSD35bS1WuR96A=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=CfkD1u0O/beAu9YjtNe7/4hlA5+ohuSGhdygsx8j+tfYRNejpbFKhxFpuyuzBc5g+ ruXkYu5kKcKHFD+sG3RPgKvzpSa7BKwmmFdXx56xGzx4IZ4iGARc6n+wQPnQ288c5e etIILUlspyUrf5BkDlXMg2Und6wNDvZMql8AUagYjuxWcD9raNdpP0SYuTLQjMPeGt /ralFTfDjlCcdPxJ/FTpMyjCRJ/zHpZR/MeU1oWllb5Zt0G9/n54l0HTK3LmDZmz9N Ft7eZZn0cSIyxBlHM4luQUhDvmA3PR0mV2Dvu+mwnr1Nj/rJC4NI36WvwpwidfZidu bWJx6COsrlV6w== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0A2C3927075; Wed, 16 Sep 2026 01:50:05 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] netlink: do not free nlk->groups while lockless readers can use it From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178952340464.2355876.9608476266653618510.git-patchwork-notify@kernel.org> Date: Wed, 16 Sep 2026 01:50:04 +0000 References: <20260911160804.917099-1-edumazet@google.com> In-Reply-To: <20260911160804.917099-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com, jamesburton@meta.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 11 Sep 2026 16:08:04 +0000 you wrote: > netlink_realloc_groups() uses krealloc() under netlink_table_grab(). > Whenever NLGRPSZ(groups) lands in a different kmalloc bucket, the old > bitmap is freed immediately. > > Two readers of nlk->groups / nlk->ngroups do not hold the netlink > table lock: > > [...] Here is the summary with links: - [net] netlink: do not free nlk->groups while lockless readers can use it https://git.kernel.org/netdev/net/c/ceac0de741bf You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html