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 4BB4E3CC9F9; Sat, 28 Feb 2026 17:40:02 +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=1772300402; cv=none; b=KOApNRzy5W1wql0rHiw5vMWa1csn42ehQ/ybptI0jpe9UOOFTNrhpu9iN9P3AKaRljmeuFx9VgBsvD0rHGdDpd2lEsz+bx9VOIGl80Lb3KQLEPR5EQ5lH1nG+JXAxaWS0MSsdifIaOYA8IKJszHtoX7T1gQ5nn8cgX2CP9Ae7aw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300402; c=relaxed/simple; bh=bSqXYpiN9FCneMlFl6TQ6PT7n7G+AvspnY3z3BZGn18=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=nfbydruf3SMFK3u3og+qNpUihURY0X8MMmGSGITtw1+faE5+PDScGQktkdXQfAGRShA4jrELac2nFC+iHw+XaSydKiH6W2GSLNPELef7lzp+m2kYmmD7u/xow6UJ/IZ2qzUZB4IspJVXC5GDGMKdcIQmJsAeyAv4vluxv2XHY2M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K2mGLDAx; 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="K2mGLDAx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2ACDDC19423; Sat, 28 Feb 2026 17:40:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300402; bh=bSqXYpiN9FCneMlFl6TQ6PT7n7G+AvspnY3z3BZGn18=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=K2mGLDAxI7uQVmJO8bJV3iIPJUIRSXaak9F6FMqtqt8ax6++dcjtUumu1SwU6eIF2 PBWfdjrWag5zKf5+XeF0kcG4HSPydOT+zjQJEgNYBKQSuNx2GoetdEunF2W0h+QLey fO1DqMjNNZThVDFCPrueD965ayhIOtQniH4ZqVo+E2d/rKerDNQeDdBoiLpRZAQjvt QJhjjRr/FXW0iO4ymPW006X3GjktxUptpEFb2XT++3BOF7E8iJZtUYf0itzNE/hthT f/NoYlg75KKF6r0JORJLbVIbzbuyW5UJuXf2BMqBVLCtZJMaNFMKwlmXJiM7xjJ2Rg ZuiJ6PRqozyvQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7CF0D39F2022; Sat, 28 Feb 2026 17:40:06 +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] atm: lec: fix null-ptr-deref in lec_arp_clear_vccs From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177230040530.3024856.1166895485917045079.git-patchwork-notify@kernel.org> Date: Sat, 28 Feb 2026 17:40:05 +0000 References: <20260225123250.189289-1-jiayuan.chen@linux.dev> In-Reply-To: <20260225123250.189289-1-jiayuan.chen@linux.dev> To: Jiayuan Chen Cc: netdev@vger.kernel.org, jiayuan.chen@shopee.com, syzbot+72e3ea390c305de0e259@syzkaller.appspotmail.com, dan.carpenter@linaro.org, horms@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, tglx@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 25 Feb 2026 20:32:40 +0800 you wrote: > From: Jiayuan Chen > > syzkaller reported a null-ptr-deref in lec_arp_clear_vccs(). > This issue can be easily reproduced using the syzkaller reproducer. > > In the ATM LANE (LAN Emulation) module, the same atm_vcc can be shared by > multiple lec_arp_table entries (e.g., via entry->vcc or entry->recv_vcc). > When the underlying VCC is closed, lec_vcc_close() iterates over all > ARP entries and calls lec_arp_clear_vccs() for each matched entry. > > [...] Here is the summary with links: - [net,v2] atm: lec: fix null-ptr-deref in lec_arp_clear_vccs https://git.kernel.org/netdev/net/c/101bacb303e8 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html