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=-1.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 23C4BC433E1 for ; Tue, 23 Jun 2020 23:38:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEAB3208A9 for ; Tue, 23 Jun 2020 23:38:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=intel-com.20150623.gappssmtp.com header.i=@intel-com.20150623.gappssmtp.com header.b="BwUqHklf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387973AbgFWXin (ORCPT ); Tue, 23 Jun 2020 19:38:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387532AbgFWXim (ORCPT ); Tue, 23 Jun 2020 19:38:42 -0400 Received: from mail-ed1-x544.google.com (mail-ed1-x544.google.com [IPv6:2a00:1450:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4724DC061573 for ; Tue, 23 Jun 2020 16:38:42 -0700 (PDT) Received: by mail-ed1-x544.google.com with SMTP id b15so87118edy.7 for ; Tue, 23 Jun 2020 16:38:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=n+5DEpU8MPUbZ6qwtbZiaceci+Pn8MEakpjQ5eTQOsI=; b=BwUqHklfO/CutrJi4sSum+0Oq/aYqJfREtlUlYvFqbg7C2o95ZsY+aAXTx7fNIqRlM Om074BwZAmcoci+DUnxoZzH3aUY868XxJQ3e+6JDyQEeC5iWZeGHiE70uuI/atB1cNom xCXyVRlG/BG+Rk5xaw7GbqzulJ1j6coo4t2CZwbOL2cZm9+rBLrxB8B9p4DdnTG5jBOR QOAJ0t25Rb7Yshr94RCpaZRQfmpGRLjm10NrzcoQauH2bK0ogXDlXycuJivzDLWf2kpl Gn4kSiTKiGrLyb2dt9L3qvS4RYk5JmJUO1YPrBkKVpK/5pye8XDZdSTLgh373wVJZ+jb d8fg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=n+5DEpU8MPUbZ6qwtbZiaceci+Pn8MEakpjQ5eTQOsI=; b=Bj2Xt1AvYWKq5Y261J38/j/OdnQMBHKffu4icPAg579Qrem/AVaIE74kaXlmpm3P6Z 7Zs/LJ6fQc8fzg1LT+MheikUpIwBSlXCY0QB5TBsGoS1fZDieb3+I8iCmCuXIfgUhWTB 97ix3asqb1zC0ts/XDNpyilQ0Ml03col1yRxuQgVauWnJ5IyELU6NyXTJWl3aS8B6855 I/1+6Dn+rqaIIBQmqkVj5aVaZCaeaZnvkpcq5pDUx7iy1DahhUdVrS5GQITuYdFwN9JH G6Qxy8pKx/LJqrGCkcJMisdh6r3R9r9I4QjvxEysWKQluzYxjq75fTtp+2qQcwqHGzgI tIdw== X-Gm-Message-State: AOAM532MxAnhzuiCF2aYwB9ONpTmEf81dHPEROF3sS1YF+IZuS3jqECN 1lYSevygOw0AC0eKPu8gdwcU3fiw0tZWMUuNOhkKlw== X-Google-Smtp-Source: ABdhPJwasF7vLiirxOKWGUzsRqmUk8WOnFuNI5R6Wx/5Z8Z+01/3A8rY2PQo2WH9IbTfWRuQy6ZyR4TfT8v3+uoVWY4= X-Received: by 2002:a05:6402:459:: with SMTP id p25mr23770678edw.383.1592955520956; Tue, 23 Jun 2020 16:38:40 -0700 (PDT) MIME-Version: 1.0 References: <1503686.1591113304@warthog.procyon.org.uk> <23219b787ed1c20a63017ab53839a0d1c794ec53.camel@intel.com> In-Reply-To: <23219b787ed1c20a63017ab53839a0d1c794ec53.camel@intel.com> From: Dan Williams Date: Tue, 23 Jun 2020 16:38:29 -0700 Message-ID: Subject: Re: [GIT PULL] General notification queue and key notifications To: "torvalds@linux-foundation.org" , "dhowells@redhat.com" Cc: "raven@themaw.net" , "kzak@redhat.com" , "jarkko.sakkinen@linux.intel.com" , "linux-nvdimm@lists.01.org" , "dray@redhat.com" , "swhiteho@redhat.com" , "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "mszeredi@redhat.com" , "jlayton@redhat.com" , "viro@zeniv.linux.org.uk" , "andres@anarazel.de" , "keyrings@vger.kernel.org" , "christian.brauner@ubuntu.com" 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 On Tue, Jun 16, 2020 at 6:15 PM Williams, Dan J wrote: > > Hi David, > > On Tue, 2020-06-02 at 16:55 +0100, David Howells wrote: > > Date: Tue, 02 Jun 2020 16:51:44 +0100 > > > > Hi Linus, > > > > Can you pull this, please? It adds a general notification queue > > concept > > and adds an event source for keys/keyrings, such as linking and > > unlinking > > keys and changing their attributes. > [..] > > This commit: > > > keys: Make the KEY_NEED_* perms an enum rather than a mask > > ...upstream as: > > 8c0637e950d6 keys: Make the KEY_NEED_* perms an enum rather than a mask > > ...triggers a regression in the libnvdimm unit test that exercises the > encrypted keys used to store nvdimm passphrases. It results in the > below warning. This regression is still present in tip of tree. David, have you had a chance to take a look? > > --- > > WARNING: CPU: 15 PID: 6276 at security/keys/permission.c:35 key_task_permission+0xd3/0x140 > Modules linked in: nd_blk(OE) nfit_test(OE) device_dax(OE) ebtable_filter(E) ebtables(E) ip6table_filter(E) ip6_tables(E) kvm_intel(E) kvm(E) irqbypass(E) nd_pmem(OE) dax_pmem(OE) nd_btt(OE) dax_p > ct10dif_pclmul(E) nd_e820(OE) nfit(OE) crc32_pclmul(E) libnvdimm(OE) crc32c_intel(E) ghash_clmulni_intel(E) serio_raw(E) encrypted_keys(E) trusted(E) nfit_test_iomap(OE) tpm(E) drm(E) > CPU: 15 PID: 6276 Comm: lt-ndctl Tainted: G OE 5.7.0-rc6+ #155 > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 > RIP: 0010:key_task_permission+0xd3/0x140 > Code: c8 21 d9 39 d9 75 25 48 83 c4 08 4c 89 e6 48 89 ef 5b 5d 41 5c 41 5d e9 1b a7 00 00 bb 01 00 00 00 83 fa 01 0f 84 68 ff ff ff <0f> 0b 48 83 c4 08 b8 f3 ff ff ff 5b 5d 41 5c 41 5d c3 83 fa 06 > > RSP: 0018:ffffaddc42db7c90 EFLAGS: 00010297 > RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffaddc42db7c7c > RDX: 0000000000000000 RSI: ffff985e1c46e840 RDI: ffff985e3a03de01 > RBP: ffff985e3a03de01 R08: 0000000000000000 R09: 5461e7bc000002a0 > R10: 0000000000000004 R11: 0000000066666666 R12: ffff985e1c46e840 > R13: 0000000000000000 R14: ffffaddc42db7cd8 R15: ffff985e248c6540 > FS: 00007f863c18a780(0000) GS:ffff985e3bbc0000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 00000000006d3708 CR3: 0000000125a1e006 CR4: 0000000000160ee0 > Call Trace: > lookup_user_key+0xeb/0x6b0 > ? vsscanf+0x3df/0x840 > ? key_validate+0x50/0x50 > ? key_default_cmp+0x20/0x20 > nvdimm_get_user_key_payload.part.0+0x21/0x110 [libnvdimm] > nvdimm_security_store+0x67d/0xb20 [libnvdimm] > security_store+0x67/0x1a0 [libnvdimm] > kernfs_fop_write+0xcf/0x1c0 > vfs_write+0xde/0x1d0 > ksys_write+0x68/0xe0 > do_syscall_64+0x5c/0xa0 > entry_SYSCALL_64_after_hwframe+0x49/0xb3 > RIP: 0033:0x7f863c624547 > Code: 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 > RSP: 002b:00007ffd61d8f5e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 > RAX: ffffffffffffffda RBX: 00007ffd61d8f640 RCX: 00007f863c624547 > RDX: 0000000000000014 RSI: 00007ffd61d8f640 RDI: 0000000000000005 > RBP: 0000000000000005 R08: 0000000000000014 R09: 00007ffd61d8f4a0 > R10: fffffffffffff455 R11: 0000000000000246 R12: 00000000006dbbf0 > R13: 00000000006cd710 R14: 00007f863c18a6a8 R15: 00007ffd61d8fae0 > irq event stamp: 36976 > hardirqs last enabled at (36975): [] __slab_alloc+0x70/0x90 > hardirqs last disabled at (36976): [] trace_hardirqs_off_thunk+0x1a/0x1c > softirqs last enabled at (35474): [] __do_softirq+0x357/0x466 > softirqs last disabled at (35467): [] irq_exit+0xe6/0xf0 >