From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7D3D9485CE8; Fri, 11 Sep 2026 13:58:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789135086; cv=none; b=PNFqHwNwhP/uFVnaZX00SYSY9iReIpvgUD5NZDVXk1XMJgylor4VNuh3D/wmHfrfEzeLWkYiOPVsjcb545MxXj2I1D1bjSIdPbELHtQNDgrL5k7jQ6m/6g4Zt6YbnT077R5cL1qyQkH797VhPjSMqJBajE7GiUbH7RZx/lSIlr4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789135086; c=relaxed/simple; bh=wJeij60oOKpNAnRDMfXszty2GOYldDyvj+f613w69+U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cZz67OLYuSUv7ocsVenq9QAfxKFBcpfgQ+UHeTHv6e7Gys4YiEfV9RpwAwcdO4Ed+Vrsk+Sseijn02+7gKa9j+Lsb5k3/5VBRxF5i3ID8Cc3jhR4y7LH+nN3jRyOBvHR6C9z6wQ2d/21c7VIInLKpN2pwKhEFJ8DnfyXvtHJUEI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=rO4YU8Qn; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="rO4YU8Qn" Received: from localhost.localdomain (unknown [4.194.122.162]) by linux.microsoft.com (Postfix) with ESMTPSA id 16DB020B7166; Fri, 11 Sep 2026 06:57:05 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 16DB020B7166 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1789135037; bh=wJeij60oOKpNAnRDMfXszty2GOYldDyvj+f613w69+U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rO4YU8QnPnHhY4Ja2wRNcWXlzDdF1STZ22/YLOMt3J1wZF5RBV+oJzvCLDe/qKl1K s4rEBjInFCm2WPn5p1FMnJiDJxnYR6rW0dndni7mnTYYZRyLBmf0Mi6fDnJ0YibzHO PFJkJaGLnBN9ZROdqslN2RdnuuF0E+6WxLh5yJCU= From: "Cen Zhang (Microsoft Security FORGE Labs)" To: xuanqiang.luo@linux.dev Cc: AutonomousCodeSecurity@microsoft.com, ameryhung@gmail.com, ast@kernel.org, bestswngs@gmail.com, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, horms@kernel.org, kees@kernel.org, kuba@kernel.org, kys@microsoft.com, linux-kernel@vger.kernel.org, martin.lau@kernel.org, mattbobrowski@google.com, menglong8.dong@gmail.com, netdev@vger.kernel.org, pabeni@redhat.com, tgopinath@linux.microsoft.com, wangfushuai@baidu.com, xmei5@asu.edu Subject: Re: [PATCH bpf] bpf: Fix NULL pointer dereference in __bpf_sk_storage_map_seq_show Date: Fri, 11 Sep 2026 09:57:36 -0400 Message-ID: <20260911135736.80463-1-cenzhang@linux.microsoft.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Amery and Xuanqiang, Sorry for the delayed response. I somehow missed this thread. For clarity, I am using my new Microsoft-approved email address, cenzhang@linux.microsoft.com, for this reply and v2. Thanks for all the reviews. I'll send v2 shortly with SEQ_SKIP as the return value and the suggested Fixes tag. Thanks, Cen