Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp3283369pxf; Mon, 15 Mar 2021 06:15:10 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxzbNeb5lD91zfpHwS6YVWrvTcCkMTJlc16vD9bdTayPSR8mEBIKNtzBR+shX516aoC2oyc X-Received: by 2002:a05:6402:4242:: with SMTP id g2mr29735548edb.329.1615814110671; Mon, 15 Mar 2021 06:15:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1615814110; cv=none; d=google.com; s=arc-20160816; b=Xqg4OjCv/yPa4eIuideqi3HxhChUP+jI1ua7WjArJr6aV6MhK9idUU/cUCoSczE+ju XR9zf8sb6ZDbihXD1NLK6MTchb1LjdTtBCkmywVMup28b2BKcZ8mralQ4uql8eACTVtp C2X5kpe2FYyxPW3llSF0UByOBkEhNRIqhZjgPJ76qulaqW7SHZH10xFfEjP2nPYBbeva JDWoeg1JERxcYNZ+04PLvJ8zHn/YheXr9i4vVQ++TVUYcF9aNTHXkVeJCSRnPdH5fL0V lrRu8y1DavZ8K9uiMp0WF5UHzLt8ClRd1oNS9PitS7f/MiQHWVEutVWhW7zwWPBluS37 yzvA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:face:references:in-reply-to :message-id:subject:to:from:date:dkim-signature; bh=+JjB3C5EnbqEEUn9FoK830zvmw8J1g8qlj6xG4JtzdA=; b=H2iFfLtP+ZpU8N6X4VQyr6ISInC62cjnb6xSRJbDm+xNMAlD2qBZXHfaFWNFX0OhrQ 6434RjsPEo/QkDJAo1OljtTD6L5MdH3ZZjTsVuf2Ep6giugeviBfG3TeNV2+Qw4EA+Gt jmk+Ra4HUCkq/mGO4WQRfhCB2sLLBG+CcY4Gp5MzM9QitgBed6Py7BRatBXaUEYg33Z1 27C4vcJyOA9M4xt3ktQeB2c5arBFF6rgJheEvYCcAKh+LWF9JkFCcUflhnJ0W90vREIK b6hj4Yd9rYYHLBmlZsv9U2IE9wsdyEiCt+1rdowoegMacEEDgxu4vsoghayM8Q77PzZC PUAA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@eworm.de header.s=mail header.b=yqPfuGWn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u14si10849366edx.551.2021.03.15.06.14.48; Mon, 15 Mar 2021 06:15:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@eworm.de header.s=mail header.b=yqPfuGWn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229602AbhCONLJ (ORCPT + 99 others); Mon, 15 Mar 2021 09:11:09 -0400 Received: from mx.mylinuxtime.de ([195.201.174.144]:56250 "EHLO mx.mylinuxtime.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229952AbhCONKy (ORCPT ); Mon, 15 Mar 2021 09:10:54 -0400 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 2CE7BF0475 for ; Mon, 15 Mar 2021 14:10:47 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eworm.de; s=mail; t=1615813847; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+JjB3C5EnbqEEUn9FoK830zvmw8J1g8qlj6xG4JtzdA=; b=yqPfuGWngotg9dHtW2h/0hPK4FtLpiC5NQ+2qOfoA4Au1e9Sd8rdUESn4xLxkykymBkx7r klbcj2hMxqUdxuUS6KBFbutQmcAIQvs/XxlbNAslfNG4T/4Gfe9DfGT5Tm8l7HGhchjLpf QyWvL0FhwKmcrnKXwIEuXqTN9pfd/r4= Date: Mon, 15 Mar 2021 14:10:38 +0100 From: Christian Hesse To: linux-kernel@vger.kernel.org Subject: Re: general protection fault in css_release_work_fn() Message-ID: <20210315141038.1cc59f54@leda> In-Reply-To: <20210302093415.7b463ddc@leda> References: <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_/tSZXW8o9ypWNiP4UA=YlcKr"; 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-Spam-Status: No, score=-6.54 X-Stat-Signature: 1unaxzd37yu967nh3nman71a5e3gwsjg X-Rspamd-Queue-Id: 2CE7BF0475 X-Spamd-Result: default: False [-6.54 / 15.00]; ARC_NA(0.00)[]; GENERIC_REPUTATION(0.00)[-0.76769436172035]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-3.02)[-1.006]; 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(-0.82)[-0.819]; 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)[99.99%] Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/tSZXW8o9ypWNiP4UA=YlcKr Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hello everybody, Christian Hesse on Tue, 2021/03/02 09:34: > 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? >=20 > general protection fault, probably for non-canonical address > 0xdead000000000122: 0000 [#1] SMP NOPTI CPU: 3 PID: 2213757 Comm: > kworker/3:2 Not tainted 5.10.18-1-lts #1 I've seen more crashes with 5.10.23-1-lts and 5.11.6-arch1-1. Looks like 5.11.2-arch1-1 is stable for now, but I did not test everything in between. Anybody has an idea what commit could have caused this? --=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_/tSZXW8o9ypWNiP4UA=YlcKr Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEXHmveYAHrRp+prOviUUh18yA9HYFAmBPXM8ACgkQiUUh18yA 9HZiZQgApoCzfqY26gnmS4cf0OkGhL8Yxp2RxmTj0Tze8nskxYLYq/vyWqQ22HUo guKoKnm/IMPxBgPwt0Qqra83xKpFtcg1i49NYy5jXAnBuS+2TN5L2FMG1XJfTPFU /OCDMH6URg8OPsUHXEcVVW9bjbHNmMQYSpy/8HP2uya6OtvHd1Bgvz+gbuPuPGIK hYUBGZM8ogy3IgMRuCC4gb0bCziJRxoM+37Za/cHUM7Mai9+FdgLMPMgpBytKHuW oZHX49D5IUAHrReJRcqdIHRTm+XuiCWlkjWW16I38UdJIOOUvzWnsDi/E6XSPWBw uSmiTf7G93VJkqB66BV6DVQvuZHGow== =A3uv -----END PGP SIGNATURE----- --Sig_/tSZXW8o9ypWNiP4UA=YlcKr--