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=-7.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 DFF9BC4332D for ; Tue, 2 Mar 2021 09:00:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 90BE764F04 for ; Tue, 2 Mar 2021 09:00:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378044AbhCBIyI (ORCPT ); Tue, 2 Mar 2021 03:54:08 -0500 Received: from mx.mylinuxtime.de ([195.201.174.144]:53386 "EHLO mx.mylinuxtime.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377921AbhCBIpa (ORCPT ); Tue, 2 Mar 2021 03:45:30 -0500 X-Greylist: delayed 593 seconds by postgrey-1.27 at vger.kernel.org; Tue, 02 Mar 2021 03:45:27 EST Received: from leda (p200300CF2F0F1c00625718FffE7F1598.dip0.t-ipconnect.de [IPv6:2003:cf:2f0f:1c00:6257:18ff:fe7f:1598]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx.mylinuxtime.de (Postfix) with ESMTPSA id 0130E9E54F for ; Tue, 2 Mar 2021 09:34:18 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eworm.de; s=mail; t=1614674059; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type; bh=/CcH7v3WvuKdI1PQjvWRW2bqm7anDRf0BkmEeWPNKJo=; b=dwBjmPBFywx09HQZK5KfBrAZ/sTpG4KD9VJiY/+4PYlFSuIfpUK5ruZqYUK/DhuC9/aXKT evx5/+mK3RBkgv/QvJaH1gFW8tBYaMweypgWEUQDx1PcpawWfWoBdofCeBY/m8q4v5aP51 gLZmqqHn0Y/u3sOXdhbreYnBRAFnHKA= Date: Tue, 2 Mar 2021 09:34:15 +0100 From: Christian Hesse To: linux-kernel@vger.kernel.org Subject: general protection fault in css_release_work_fn() Message-ID: <20210302093415.7b463ddc@leda> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Face: %O:rCSkHSKf7^4uF|FD$9$I0}g$nbnS1{DYPvs#:,~e`).mzj\$P9]V!WCveE/XdbL,L!{)6v%x4\Bt!b#{;dS&h"7l=ow'^({02!2%XOugod|u*mYBVm-OS:VpZ"ZrRA4[Q&zye,^j;ftj!Hxx\1@;LM)Pz)|B%1#sfF;s;,N?*K*^) Face: 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 MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/=nAMvyiMUtroZxKmV0OmWb3"; protocol="application/pgp-signature"; micalg=pgp-sha256 Authentication-Results: mx.mylinuxtime.de; auth=pass smtp.auth=mail@eworm.de smtp.mailfrom=list@eworm.de X-Rspamd-Server: mx X-Stat-Signature: irznsg4cufrqdfghkiqw7tie8thuexfc X-Rspamd-Queue-Id: 0130E9E54F X-Spamd-Result: default: False [-6.46 / 15.00]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-3.03)[-1.009]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DKIM_SIGNED(0.00)[]; NEURAL_HAM_SHORT(-0.73)[-0.728]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; MID_RHS_NOT_FQDN(0.50)[]; ASN(0.00)[asn:3320, ipnet:2003::/19, country:DE]; BAYES_HAM(-3.00)[100.00%] Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/=nAMvyiMUtroZxKmV0OmWb3 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hello everybody, I see this on a git server with lots of ssh logins. It happens every few hours to days. No idea how to reproduce, guess it's a race condition? general protection fault, probably for non-canonical address 0xdead00000000= 0122: 0000 [#1] SMP NOPTI CPU: 3 PID: 2213757 Comm: kworker/3:2 Not tainted 5.10.18-1-lts #1 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference= Platform, BIOS 6.00 05/28/2020 Workqueue: cgroup_destroy css_release_work_fn RIP: 0010:css_release_work_fn+0x3c/0x200 Code: 54 55 53 48 89 fb 48 8b 6f a0 4c 8b 67 98 48 c7 c7 80 d3 ed b4 e8 d4 = 83 91 00 48 8b 43 c0 48 8b 53 b8 83 4b ec 04 48 89 42 08 <48> 89 10 4c 89 6= b c0 48 85 ed 0f 84 ab 00 00 00 48 8b 53 d8 48 8d RSP: 0018:ffffb75f4098fe78 EFLAGS: 00010206 RAX: dead000000000122 RBX: ffff9b112c157068 RCX: ffff9b117ddab5a0 RDX: ffff9b110e5c2020 RSI: 807fffffffffffff RDI: ffffffffb4edd380 RBP: ffffffffb4ff6120 R08: ffff9b11012e7eb0 R09: ffff9b11234f5c74 R10: 0000000000000018 R11: 0000000000000018 R12: ffff9b110c01a000 R13: dead000000000122 R14: ffff9b117ddb2600 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff9b117dd80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0ff5098620 CR3: 000000000e740000 CR4: 00000000003506e0 Call Trace: process_one_work+0x1df/0x370 worker_thread+0x50/0x400 ? process_one_work+0x370/0x370 kthread+0x11b/0x140 ? __kthread_bind_mask+0x60/0x60 ret_from_fork+0x22/0x30 Modules linked in: vsock_loopback vmw_vsock_virtio_transport_common nf_tabl= es vmw_vsock_vmci_transport vsock libcrc32c nfnetlink vmwgfx amd_energy joy= dev crct10dif_pclmul crc32_pclmul ghash_clmulni_intel mousedev aesni_intel = crypto_simd vmw_balloon ttm cryptd glue_helper rapl drm_kms_helper psmouse = pcspkr vmxnet3 cec syscopyarea sysfillrect sysimgblt intel_agp vmw_vmci fb_= sys_fops i2c_piix4 intel_gtt mac_hid drm sg fuse agpgart ip_tables x_tables= ext4 crc32c_generic crc16 mbcache jbd2 dm_mod sr_mod cdrom ata_generic pat= a_acpi crc32c_intel serio_raw vmw_pvscsi ata_piix ---[ end trace e3405678b69341c6 ]--- RIP: 0010:css_release_work_fn+0x3c/0x200 Code: 54 55 53 48 89 fb 48 8b 6f a0 4c 8b 67 98 48 c7 c7 80 d3 ed b4 e8 d4 = 83 91 00 48 8b 43 c0 48 8b 53 b8 83 4b ec 04 48 89 42 08 <48> 89 10 4c 89 6= b c0 48 85 ed 0f 84 ab 00 00 00 48 8b 53 d8 48 8d RSP: 0018:ffffb75f4098fe78 EFLAGS: 00010206 RAX: dead000000000122 RBX: ffff9b112c157068 RCX: ffff9b117ddab5a0 RDX: ffff9b110e5c2020 RSI: 807fffffffffffff RDI: ffffffffb4edd380 RBP: ffffffffb4ff6120 R08: ffff9b11012e7eb0 R09: ffff9b11234f5c74 R10: 0000000000000018 R11: 0000000000000018 R12: ffff9b110c01a000 R13: dead000000000122 R14: ffff9b117ddb2600 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff9b117dd80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0ff5098620 CR3: 000000000e740000 CR4: 00000000003506e0 --=20 main(a){char*c=3D/* Schoene Gruesse */"B?IJj;MEH" "CX:;",b;for(a/* Best regards my address: */=3D0;b=3Dc[a+= +];) putchar(b-1/(/* Chris cc -ox -xc - && ./x */b/42*2-3)*42);} --Sig_/=nAMvyiMUtroZxKmV0OmWb3 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEXHmveYAHrRp+prOviUUh18yA9HYFAmA9+IcACgkQiUUh18yA 9HYYOggArn4Lolf8ertRbae4FieFme1AWchST28BbuBlKiNeudMBpC5/jXj4Mx/8 9lGA4545Ne1W7sJw+ajyfnvxfmTk+yXDIWpYiUlGWafo4JV591dRLFNkyPfeNck4 tCgExVQ4QF/PQd2RtJjgPVDYs1Zn+6eS4v8koPCc2tfj8Ya1xcTOII2LPMnvR8AG JdIyku9N5d7DTCMRqTlR6S2ckcx7EcNSasOyTFyIos+GHU6RFm1CHsbkx8OXhzbr 16Y0/PbYBqnIn/qUu3wmkkl7BCseNnMCuq9G1CE51A5zbhycgrzrKgxk42paCvoh 4h4ZXhN4Umd50V56hZZNGrt3T7zYWQ== =g7xr -----END PGP SIGNATURE----- --Sig_/=nAMvyiMUtroZxKmV0OmWb3--