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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65530C433FE for ; Fri, 18 Nov 2022 01:56:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240805AbiKRB42 (ORCPT ); Thu, 17 Nov 2022 20:56:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235099AbiKRB4X (ORCPT ); Thu, 17 Nov 2022 20:56:23 -0500 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 938B3742C7 for ; Thu, 17 Nov 2022 17:56:20 -0800 (PST) Received: by mail-io1-f69.google.com with SMTP id k21-20020a5e8915000000b006de391b332fso1883402ioj.4 for ; Thu, 17 Nov 2022 17:56:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5pvNabL4h/jw3vWWl8UrKWU7ECeSF3aiv4l/7+Kwbb8=; b=BVex/LXLR2J/x9PgEpIRLItoUUvaoMRRlTqvj2GPmLN1FCvDAp0ifIXRjwVH+DD4C0 HIi2JLG9Mjh+3hDpvQuxoRU5KN6fLCSwjaey+7xF2EuhvxfPtYxsAB9OsU+L6d2pj3ET I2HDYNOjal/D4uUqDLWnesRasOxJyU0KPXsJCBVz6fp4yMYmgIL0PgDrf4lH5GAEAZkJ pE498QFY8+LzSVFQL6m0J6vLHXJWP6p6VvA77vLuWu85DjtJjHjOr66FTAri+DKZ0VYe X0676HT1WPs4maQJ0FF7s6CtOpMwXtcUeCVUJyJkDjwseuRZS4gJujuuYaTzWioOgTes wGHA== X-Gm-Message-State: ANoB5pkW307ZfOoE/duQKoa7Tf4K5QCFt8Z74zEXlMef0w/xAirc9M6X yoy4ptDyLvXJ0GCFLm/ytkZ1et1c/uDkFmwUMT49jUewlKoa X-Google-Smtp-Source: AA0mqf45hbckZ2aQOX7ek+n7IrRm+TLARFS5k7Cpgc/J3eoK5JGyghNN8Zz2xGtvDMZWQ5eFrzyaERPuVNbmpR8na1Tlmn82UWtD MIME-Version: 1.0 X-Received: by 2002:a05:6638:3e15:b0:374:53a:a5bf with SMTP id co21-20020a0566383e1500b00374053aa5bfmr2275103jab.77.1668736579920; Thu, 17 Nov 2022 17:56:19 -0800 (PST) Date: Thu, 17 Nov 2022 17:56:19 -0800 In-Reply-To: <0000000000004e78ec05eda79749@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000011ec5105edb50386@google.com> Subject: Re: [syzbot] BUG: sleeping function called from invalid context in static_key_slow_inc From: syzbot To: Jason@zx2c4.com, davem@davemloft.net, edumazet@google.com, frederic@kernel.org, gnault@redhat.com, jacob.e.keller@intel.com, jakub@cloudflare.com, jiri@nvidia.com, johannes@sipsolutions.net, juri.lelli@redhat.com, kirill.shutemov@linux.intel.com, kuba@kernel.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, netdev@vger.kernel.org, nicolas.dichtel@6wind.com, pabeni@redhat.com, paul@paul-moore.com, peterz@infradead.org, razor@blackwall.org, sathyanarayanan.kuppuswamy@linux.intel.com, steven.price@arm.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tparkin@katalix.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit b68777d54fac21fc833ec26ea1a2a84f975ab035 Author: Jakub Sitnicki Date: Mon Nov 14 19:16:19 2022 +0000 l2tp: Serialize access to sk_user_data with sk_callback_lock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1600bb49880000 start commit: 064bc7312bd0 netdevsim: Fix memory leak of nsim_dev->fa_co.. git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=1500bb49880000 console output: https://syzkaller.appspot.com/x/log.txt?x=1100bb49880000 kernel config: https://syzkaller.appspot.com/x/.config?x=a33ac7bbc22a8c35 dashboard link: https://syzkaller.appspot.com/bug?extid=703d9e154b3b58277261 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13cd2f79880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=109e1695880000 Reported-by: syzbot+703d9e154b3b58277261@syzkaller.appspotmail.com Fixes: b68777d54fac ("l2tp: Serialize access to sk_user_data with sk_callback_lock") For information about bisection process see: https://goo.gl/tpsmEJ#bisection