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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 076C0C43331 for ; Thu, 7 Nov 2019 18:51:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C942F222CE for ; Thu, 7 Nov 2019 18:51:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728018AbfKGSvi (ORCPT ); Thu, 7 Nov 2019 13:51:38 -0500 Received: from metis.ext.pengutronix.de ([85.220.165.71]:50617 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727616AbfKGSvi (ORCPT ); Thu, 7 Nov 2019 13:51:38 -0500 Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iSmsU-0005I1-NH; Thu, 07 Nov 2019 19:51:30 +0100 Received: from [IPv6:2a03:f580:87bc:d400:591d:c131:e96:905c] (unknown [IPv6:2a03:f580:87bc:d400:591d:c131:e96:905c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mkl@blackshift.org", Issuer "StartCom Class 1 Client CA" (not verified)) (Authenticated sender: mkl@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id E9A5D4778BE; Thu, 7 Nov 2019 18:51:26 +0000 (UTC) Subject: Re: INFO: task hung in vivid_stop_generating_vid_cap To: Dmitry Vyukov , syzbot , linux-can@vger.kernel.org Cc: andy@greyhouse.net, David Miller , Hans Verkuil , j.vosburgh@gmail.com, LKML , linux-media@vger.kernel.org, Mahesh Bandewar , mchehab@kernel.org, netdev , syzkaller-bugs , vfalico@gmail.com References: <00000000000080601805795ada2e@google.com> <000000000000e626290584a983c0@google.com> From: Marc Kleine-Budde Openpgp: preference=signencrypt Autocrypt: addr=mkl@pengutronix.de; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="NeIZlyowumXtqXLNOZErcBk1aZbUuvacE" X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --NeIZlyowumXtqXLNOZErcBk1aZbUuvacE Content-Type: multipart/mixed; boundary="4FKKqhxBizYnGAZ3YsXRzhsPWgt6jD1Xg"; protected-headers="v1" From: Marc Kleine-Budde To: Dmitry Vyukov , syzbot , linux-can@vger.kernel.org Cc: andy@greyhouse.net, David Miller , Hans Verkuil , j.vosburgh@gmail.com, LKML , linux-media@vger.kernel.org, Mahesh Bandewar , mchehab@kernel.org, netdev , syzkaller-bugs , vfalico@gmail.com Message-ID: Subject: Re: INFO: task hung in vivid_stop_generating_vid_cap References: <00000000000080601805795ada2e@google.com> <000000000000e626290584a983c0@google.com> In-Reply-To: --4FKKqhxBizYnGAZ3YsXRzhsPWgt6jD1Xg Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: quoted-printable On 3/22/19 9:06 AM, Dmitry Vyukov wrote: > On Fri, Mar 22, 2019 at 9:00 AM Dmitry Vyukov wrot= e: >> >> On Fri, Mar 22, 2019 at 8:08 AM syzbot >> wrote: >>> >>> syzbot has bisected this bug to: >>> >>> commit 4493b81bea24269df898339dee638d7c5cb2b2df >>> Author: Mahesh Bandewar >>> Date: Wed Mar 8 18:55:54 2017 +0000 >>> >>> bonding: initialize work-queues during creation of bond >> >> +linux-can >> >> I think I will disable CONFIG_CAN before v4.12. It causes too many >> false results for v4.12..v4.11 range. It always leads to a wrong >> decision for first 3 steps, then no chances of correct bisection >> anymore. >=20 > The same seems to show up for v4.12..v4.13: > all runs: crashed: INFO: trying to register non-static key in can_notif= ier > https://syzkaller.appspot.com/text?tag=3DLog&x=3D1555b12b200000 >=20 > This was fixed by 74b7b490886852582d986a33443c2ffa50970169 right? ACK Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | --4FKKqhxBizYnGAZ3YsXRzhsPWgt6jD1Xg-- --NeIZlyowumXtqXLNOZErcBk1aZbUuvacE Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEmvEkXzgOfc881GuFWsYho5HknSAFAl3EZ6oACgkQWsYho5Hk nSBtBAgAllvi9XlOwEQqlRCgEviA4PZ9wDRj16b0XhPl+82RiA9fXyPRHcCj2Owa sNnNCF+nHA3Vq/N64n9snPpWz0mXuzUO6NGCTbB3rqY+mK/U6mq+KnVJwvjHq2D6 y9sHCDOMn1VLFlw+Ek3m95fUAi72i/6YCfVcRg2ArY35aDATtlrGTjWt0G+8YyuN YqyIiueOYaiIyev99lVpwExKcRwZHVK27c1WMl0o/oXXv/0ZcK/q0vbD42RyT3NJ 5kHPKHxKOdSzbQ/xw+oLBJB+xhW4RJnKJmMIjITz6lHJ0Uep2KYarg00JjNGNtr4 /VqJZlN4hWKyPTRBu5aI1Bef0JpmEA== =xA/S -----END PGP SIGNATURE----- --NeIZlyowumXtqXLNOZErcBk1aZbUuvacE--