From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF427EB64D9 for ; Tue, 27 Jun 2023 16:56:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230030AbjF0Q4q (ORCPT ); Tue, 27 Jun 2023 12:56:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229655AbjF0Q4o (ORCPT ); Tue, 27 Jun 2023 12:56:44 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 833FF10D7 for ; Tue, 27 Jun 2023 09:55:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687884957; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=zxcgu3g1LzEJDjlBVeiHHZ7/xQjIq5XoswU3EPAmCdo=; b=Hz08cGs3L9AzJozSuWjk21P9QWyciK3lcGq4iSN/TgeCiUCvHw9vD9YPuqQ2I23AotVlKQ 5LoNIjQZOP1fL/tEhnzdjVSAMl9WHg4C20yUCO/JQ8hDHLwpYuogGq0yW0duC0J4mq9Lpn pFhGoL9P5QhLevGUeACQ5UqdLnfs5X4= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-361-vzW8LbBLPjKGUB8TJ3-Ntg-1; Tue, 27 Jun 2023 12:55:56 -0400 X-MC-Unique: vzW8LbBLPjKGUB8TJ3-Ntg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 70F083C14AA5; Tue, 27 Jun 2023 16:55:52 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id BD05FF5CC7; Tue, 27 Jun 2023 16:55:49 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <7337a904-231d-201d-397a-7bbe7cae929f@gmail.com> References: <7337a904-231d-201d-397a-7bbe7cae929f@gmail.com> <4c49176f-147a-4283-f1b1-32aac7b4b996@gmail.com> <20230522121125.2595254-1-dhowells@redhat.com> <20230522121125.2595254-9-dhowells@redhat.com> <2267272.1686150217@warthog.procyon.org.uk> <5a9d4ffb-a569-3f60-6ac8-070ab5e5f5ad@gmail.com> <776549.1687167344@warthog.procyon.org.uk> To: Tariq Toukan Cc: dhowells@redhat.com, netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Willem de Bruijn , David Ahern , Matthew Wilcox , Al Viro , Christoph Hellwig , Jens Axboe , Jeff Layton , Christian Brauner , Chuck Lever III , Linus Torvalds , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Boris Pismenny , John Fastabend , Gal Pressman , ranro@nvidia.com, samiram@nvidia.com, drort@nvidia.com, Tariq Toukan Subject: Re: [PATCH net-next v10 08/16] tls: Inline do_tcp_sendpages() MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3280196.1687884949.1@warthog.procyon.org.uk> Date: Tue, 27 Jun 2023 17:55:49 +0100 Message-ID: <3280197.1687884949@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tariq Toukan wrote: > WARNING: CPU: 2 PID: 93427 at net/core/skbuff.c:7013 Is that this line for you: } else if (WARN_ON_ONCE(!sendpage_ok(page))) { If so, it's not slab data, but we've got a page with a 0 refcount from somewhere. David