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 2812C36C9CC; Sat, 17 Oct 2026 00:50:11 +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=1792198212; cv=none; b=BJM+oayZL9PcURh+cNHwZEJx2fBX9HkL7dCcRNbHNya9mlXwn4DGavdL5igtYxwMLLs2AzyBMRgMszv4I6F4voQc/TklXgz1hw0QUW1tfXYWzJ/ZZgwB0flgC73zW82LPlgtTlRW8dmRVzB7q0vPoe6X1qAzQGi6J+xHId+VX4w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792198212; c=relaxed/simple; bh=W6yq8O3fEZIHpqqHwRdqGSFRhvdet1UmGZxYV8Euet8=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=f/33QV3Smegbq2I25yd8wVFCYMIxC7tkOIUSuAH/gRLTaQKbIiEvZOCO/cNfLy13LLLuqYex11me9KS8UU3txj5ERBUjj2SZU87DsobTPvhsK9W/00EibAqFbqdREbcgwwcoBG5fZdaD5WqiFlC7ZxDsjL72o++H50NGkg44ah4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=O+vCcdtx; 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="O+vCcdtx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 072B91F000C4; Sat, 17 Oct 2026 00:50:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792198211; bh=WSsewT0O7zwyZFVvwibqnIyNUpBWyXCyrZ1sLCBPw1o=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=O+vCcdtx7VUaC21jKUiwy2kZs4LpJUKriSewon78iPaB3pESPuvLERis5NNdSBWe7 +lm+QJgGaJ7fCwYBlROH9TB9SLgeRpaT8aaXEukSOx4GBpeKOpX7OEi0yHckxwAsMs z6JOumHEWPvtLFwArTVObybPwCeRnYSZfXkCHs1gvPrd9Kis65RkLQjnbe6m4qBy6Z 0qHgYd3Tnr1s66KZQJHiCfsIDttSTHVbADHQwcwP7pb+n9uKFVYjj9G5yW6IPN4LxA 6EJkh04S5fS6uSBARvQ8RWe6vNkYEZYl+ew4tM7sZuskO40/JXXxjzQh+ymFnT/DwD Lg6zHrLOnGLUw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id F1514380CED8; Sat, 17 Oct 2026 00:50:10 +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 v2] ipconfig: fix use-after-free of device list after ic_close_devs() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179219820952.1034269.12970180804161410066.git-patchwork-notify@kernel.org> Date: Sat, 17 Oct 2026 00:50:09 +0000 References: <20261010085003.3261587-1-bsdhenrymartin@gmail.com> In-Reply-To: <20261010085003.3261587-1-bsdhenrymartin@gmail.com> To: Henry Martin Cc: vladimir.oltean@nxp.com, dsahern@kernel.org, idosch@nvidia.com, davem@davemloft.net, kuba@kernel.org, edumazet@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Sat, 10 Oct 2026 16:49:58 +0800 you wrote: > ic_close_devs() kfree()s every ic_device node but leaves the static > ic_first_dev and ic_dev pointers dangling behind. When a DHCP > negotiation gets an OFFER but never the matching ACK, ic_bootp_recv() > accepts the OFFER and records ic_dev = , the round times > out and ic_close_devs() frees the whole list — node included. The > next failed retry round runs ic_close_devs() once more, evaluating > > [...] Here is the summary with links: - [net,v2] ipconfig: fix use-after-free of device list after ic_close_devs() https://git.kernel.org/netdev/net-next/c/befe96ed37d5 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html