Return-Path: linux-nfs-owner@vger.kernel.org Received: from fieldses.org ([174.143.236.118]:40098 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751452AbaBHUpX (ORCPT ); Sat, 8 Feb 2014 15:45:23 -0500 Date: Sat, 8 Feb 2014 15:45:22 -0500 To: Steven Whitehouse Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org Subject: memory corruption after "Fix race when checking i_size on direct i/o read" Message-ID: <20140208204522.GG8801@fieldses.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii From: "J. Bruce Fields" Sender: linux-nfs-owner@vger.kernel.org List-ID: I'm getting warnings about corruption of the kmalloc-32 slab on an nfs server while running some regression tests. A bisect lands on 9fe55eea7e4b444bafc42fa0000cc2d1d2847275 "Fix race when checking i_size on direct i/o read". Is there any known problem here? It doesn't reproduce immediately and it's possible I could have made a mistake on the bisect. I'll verify and try to narrow down the reproducer. --b.