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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45451C2BA2B for ; Thu, 9 Apr 2020 16:44:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 09B53206E9 for ; Thu, 9 Apr 2020 16:44:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=umich.edu header.i=@umich.edu header.b="fMgxvS3c" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726726AbgDIQoi (ORCPT ); Thu, 9 Apr 2020 12:44:38 -0400 Received: from mail-wr1-f42.google.com ([209.85.221.42]:37693 "EHLO mail-wr1-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726583AbgDIQoh (ORCPT ); Thu, 9 Apr 2020 12:44:37 -0400 Received: by mail-wr1-f42.google.com with SMTP id w10so12692439wrm.4 for ; Thu, 09 Apr 2020 09:44:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=umich.edu; s=google-2016-06-03; h=mime-version:from:date:message-id:subject:to; bh=qV055bCgmfit5wiYx2SC82eajEpkcvOWWhE4IPCd6o4=; b=fMgxvS3c0OmcU+BMetdx+SqjcFvccR7aDLcvATrkJi+vqLBtegSxo4sR6sUDq7uNlE IwgYwUtP12HMYNYZe0LCclgJsIiJzZqp5uqFhfsVTnjf/Q1t3VbOih1sEy4EWC1/UT8w CUsFChoPGvLx+zwtxWRmBZ3oRXJzzih+8gx5N55JEwfM9n+FMmpcc4MK4jOvAXDMafzP kxkJhctJGN7qTdeXgOD9+aT/eO7DnOWnM9b16/zvWRqZgjH1h1gQpK5u/8gMPSgIrNqo heDWLY76PcRugFiey1XfblQNL7XeYhORvw5sfi416q6O2gUf4+d6842FsnrofmAoaO90 X9wQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=qV055bCgmfit5wiYx2SC82eajEpkcvOWWhE4IPCd6o4=; b=MEkKvyZVm7uQ3UEDCeJRWx29DRYC/jylxgdSpHa8QL7ZfsRn1YF6+6BIYRV1Fui7I1 UpgzkEVlSV0Lc1xGFfOrwIt4RnUbJS5M5jx+qPIwrIRga6cz1ugjCoI7657rxTuJU4u/ eHcbx9IOWJeWG951D3ZNes/T+mtbiogk9GaYFIIpqRyGeQ1D8E2cscMeWSir+ZK7zgoX 6zeQZdCTNxsXr8mp88yzE+3mCDstdv5dJ+FVlhvWB7+Z1eF1sdF5eTIQEjHQs+ucGKOe iJqdOTovWnS0xpRDGw8wbQpZkReIAZ+WIUR0ksBDOkuGfLftLGe4gAT64mMYiUdU2nTe owfA== X-Gm-Message-State: AGi0PuZDzfAM3oE6l266J7swYFto4clI1cn7sMYLwGCn3k1C0sj4wRTG ZqCzeRY8UorzbnWOxRKI9/UPCZ9CJRP6qwRwrJQkbwbd X-Google-Smtp-Source: APiQypLF6l4T9A57K7UtYfFI4yScs5m46uZBbMj/OdtILAKhbEP4nMdzQAfzKa57eFReO8cK3Q6iD+GwCT51AM0iUMA= X-Received: by 2002:adf:e54e:: with SMTP id z14mr46348wrm.328.1586450676146; Thu, 09 Apr 2020 09:44:36 -0700 (PDT) MIME-Version: 1.0 From: Olga Kornievskaia Date: Thu, 9 Apr 2020 12:44:25 -0400 Message-ID: Subject: is this hang in a rename syscall is known? To: linux-fsdevel Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hi folks, Getting this hang on a 5.5 kernel, is this a known issue? Thank you. Apr 7 13:34:53 scspr1865142002 kernel: Not tainted 5.5.7 #1 Apr 7 13:34:53 scspr1865142002 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Apr 7 13:34:53 scspr1865142002 kernel: dt D 0 24788 24323 0x00000080 Apr 7 13:34:53 scspr1865142002 kernel: Call Trace: Apr 7 13:34:53 scspr1865142002 kernel: ? __schedule+0x2ca/0x6e0 Apr 7 13:34:53 scspr1865142002 kernel: schedule+0x4a/0xb0 Apr 7 13:34:53 scspr1865142002 kernel: schedule_preempt_disabled+0xa/0x10 Apr 7 13:34:53 scspr1865142002 kernel: __mutex_lock.isra.11+0x233/0x4e0 Apr 7 13:34:53 scspr1865142002 kernel: ? strncpy_from_user+0x47/0x160 Apr 7 13:34:53 scspr1865142002 kernel: lock_rename+0x28/0xd0 Apr 7 13:34:53 scspr1865142002 kernel: do_renameat2+0x1e7/0x4f0 Apr 7 13:34:53 scspr1865142002 kernel: __x64_sys_rename+0x1c/0x20 Apr 7 13:34:53 scspr1865142002 kernel: do_syscall_64+0x5b/0x200 Apr 7 13:34:53 scspr1865142002 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Apr 7 13:34:53 scspr1865142002 kernel: RIP: 0033:0x7f747a10ac77 Apr 7 13:34:53 scspr1865142002 kernel: Code: Bad RIP value. Apr 7 13:34:53 scspr1865142002 kernel: RSP: 002b:00007f7479f92948 EFLAGS: 00000206 ORIG_RAX: 0000000000000052 Apr 7 13:34:53 scspr1865142002 kernel: RAX: ffffffffffffffda RBX: 00000000023604c0 RCX: 00007f747a10ac77 Apr 7 13:34:53 scspr1865142002 kernel: RDX: 0000000000000000 RSI: 00007f7479f94a80 RDI: 00007f7479f96b80 Apr 7 13:34:53 scspr1865142002 kernel: RBP: 0000000000000005 R08: 00007f7479f9d700 R09: 00007f7479f9d700 Apr 7 13:34:53 scspr1865142002 kernel: R10: 645f72656464616c R11: 0000000000000206 R12: 0000000000000001 Apr 7 13:34:53 scspr1865142002 kernel: R13: 00007f7479f98c80 R14: 00007f7479f9ad80 R15: 00007f7479f94a80