From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 23C0F23D7; Thu, 1 Jun 2023 14:34:08 +0000 (UTC) Received: from www62.your-server.de (www62.your-server.de [213.133.104.62]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30AA4132; Thu, 1 Jun 2023 07:34:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=iogearbox.net; s=default2302; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=MWJtZj0Bpj3Pq6TDmueRGH0j6tzTZD1Xncj+xQHm8EA=; b=hqEdim2p/+8tyODB2E8AnJkmTv FdsA862hCwoOSdmFuqEkBHRS1MLlAx2LyN0vY99TLusl588BHd/teL4BjqtW0fOtqfX/27iLK2VmN DQZydjWoD5isP5ar7TSfIVsmRMK9WfwKYKAPjUHBfcZXL/xegMm1B6viBayRU7S1Xv/CjEjRHuQU+ iEFb6T2L8fVcvTc+aPAUa/AljAG8Sb95nu84mcawwp8J9e/k+MANR/4gvS3ZPwTu/OnF62fqubpv/ OspnNmbvRnoMedZ2WCBhi3o+Bz6JAy9j7wU7zn+xQvdK0WYhY5nnJP7gbiiHDnwSbWXU2tF+HXBU6 U1rntztQ==; Received: from sslproxy06.your-server.de ([78.46.172.3]) by www62.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1q4jN8-000BGz-Qe; Thu, 01 Jun 2023 16:33:50 +0200 Received: from [85.1.206.226] (helo=linux.home) by sslproxy06.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q4jN8-0003wa-6b; Thu, 01 Jun 2023 16:33:50 +0200 Subject: Re: [PATCH net] bpf, sockmap: avoid potential NULL dereference in sk_psock_verdict_data_ready() To: Eric Dumazet , "David S . Miller" , Jakub Kicinski , Paolo Abeni , Alexei Starovoitov , Andrii Nakryiko Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, eric.dumazet@gmail.com, syzbot , John Fastabend , Jakub Sitnicki References: <20230530195149.68145-1-edumazet@google.com> From: Daniel Borkmann Message-ID: <2c46e753-e287-dd38-8ade-0655a7a43987@iogearbox.net> Date: Thu, 1 Jun 2023 16:33:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20230530195149.68145-1-edumazet@google.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.103.8/26925/Thu Jun 1 09:27:46 2023) X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On 5/30/23 9:51 PM, Eric Dumazet wrote: > syzbot found sk_psock(sk) could return NULL when called > from sk_psock_verdict_data_ready(). Looks like patchbot didn't answer. Applied, thanks Eric!