From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CCFDF220F49 for ; Sun, 12 Apr 2026 18:30:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776018634; cv=none; b=NYDnyeVkhZ9fXnHDqSc8/4w2fBApwxqQOnzdK+Bw6az4Ob1aqX8V/gO8CjGO3k33kyiumiEnaiy6fuO03iv7u/8pe+E/kJRaTGQIvNdript8qpkkfi/mPTOWCSwaSu+gmWRfFaajesfzYwzZFINgOGHYb4BWqOqoGpAREp8pP3E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776018634; c=relaxed/simple; bh=Rn09doMwThVuGmJttHrEWCY7Ffm82LLEd6qDoY9fTD0=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=rbzquDyxxrK/3Zxk1rHLEqXadCLwKcV1cn30yWtO782QAb1Lqgx0Ytlc0cn2fMGDkvcuTWOPVfSd+CDb6npc3IRV4kv8OmExUO4Owi9Ir2NSClTmFVzT0uN0Y9wdQvS+LOojr7qOmZVBFhs/2CfmDccRJN54mNyfiyegATLoK0s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hUzsozt3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hUzsozt3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 56582C19424; Sun, 12 Apr 2026 18:30:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776018634; bh=Rn09doMwThVuGmJttHrEWCY7Ffm82LLEd6qDoY9fTD0=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=hUzsozt3RW2IZ3ZMM220xBEBobXzs9NyXQKkz9bfKzMKKVEO0ugU+nPlLdXeXDHxg 2ouEEP/+p/DBYL4jDrIBOHdGtphxrEesXPKocip8LK3TTpmYwrg2ce4JoGKGZbMkCO bemdwb0XwbXt0sSDnMGiko8grIXmoLeofFXkxZkj6iMs82VeSie4z3iwr5WuOZIE2/ 9aNwqykuNG+qYid3qOGKTr4te63fBTqyKAtZlNyNS6bfgNejBc0+J3vb625pMS97bb F6CZeDI1+aEMx9FGrmbRLJ48GbWeWjAw6AEkgvHqEeDpy9dN7ckh4va3IZNa/TXdxQ 48MfX+uy4vj4g== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 02D023809A8C; Sun, 12 Apr 2026 18:30:08 +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] nfc: llcp: add missing return after LLCP_CLOSED checks From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177601860655.3367410.12963803976017127062.git-patchwork-notify@kernel.org> Date: Sun, 12 Apr 2026 18:30:06 +0000 References: <20260408081006.3723-1-qjx1298677004@gmail.com> In-Reply-To: <20260408081006.3723-1-qjx1298677004@gmail.com> To: Junxi Qian Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 8 Apr 2026 16:10:06 +0800 you wrote: > In nfc_llcp_recv_hdlc() and nfc_llcp_recv_disc(), when the socket > state is LLCP_CLOSED, the code correctly calls release_sock() and > nfc_llcp_sock_put() but fails to return. Execution falls through to > the remainder of the function, which calls release_sock() and > nfc_llcp_sock_put() again. This results in a double release_sock() > and a refcount underflow via double nfc_llcp_sock_put(), leading to > a use-after-free. > > [...] Here is the summary with links: - [net] nfc: llcp: add missing return after LLCP_CLOSED checks https://git.kernel.org/netdev/net/c/2b5dd4632966 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html