Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752830AbdDKDFe (ORCPT ); Mon, 10 Apr 2017 23:05:34 -0400 Received: from scorn.kernelslacker.org ([45.56.101.199]:36098 "EHLO scorn.kernelslacker.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752650AbdDKDFd (ORCPT ); Mon, 10 Apr 2017 23:05:33 -0400 Date: Mon, 10 Apr 2017 23:05:32 -0400 From: Dave Jones To: Al Viro Cc: Linux Kernel Subject: Re: iov_iter_pipe warning. Message-ID: <20170411030532.vcam25fz6224ny2h@codemonkey.org.uk> Mail-Followup-To: Dave Jones , Al Viro , Linux Kernel References: <20170321205901.mojmjd2fxmykq3df@codemonkey.org.uk> <20170410192800.GC29622@ZenIV.linux.org.uk> <20170410194206.loesu5licstif7or@codemonkey.org.uk> <20170410195711.GD29622@ZenIV.linux.org.uk> <20170410234830.tmqdhpjtfdveor3c@codemonkey.org.uk> <20170411002215.GE29622@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170411002215.GE29622@ZenIV.linux.org.uk> User-Agent: NeoMutt/20170306 (1.8.0) X-Spam-Note: SpamAssassin invocation failed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 276 Lines: 13 On Tue, Apr 11, 2017 at 01:22:15AM +0100, Al Viro wrote: > * in do_splice_to(): WARN_ON(pipe->nrbufs == pipe->buffers) Hit this one. > * in generic_file_splice_read(): WARN_ON(pipe->nrbufs == pipe->buffers) followed by this one. Then the usual iov_iter trace. Dave