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 05194C19F2A for ; Thu, 11 Aug 2022 10:43:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234549AbiHKKnK (ORCPT ); Thu, 11 Aug 2022 06:43:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234533AbiHKKnJ (ORCPT ); Thu, 11 Aug 2022 06:43:09 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45A336E2E5 for ; Thu, 11 Aug 2022 03:43:08 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id u5-20020a6b4905000000b00681e48dbd92so9533423iob.21 for ; Thu, 11 Aug 2022 03:43:08 -0700 (PDT) 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; bh=lEX60Cbcazn6R6L/6XwKBw23ViseQXIZ1Z7ZlktS5UU=; b=py2wFaCgDKRX5Nrpe12sAaswRaTFwgRaDYi2vTscxxuJ2uMQQtunHAxE2lTAv+Nxr2 cQqW7rK4FQK5f3fUv/2AOLJ1f3sUZCFk24VkqXYCbMlXEkmRv1DV2uO2c8IS2V8VEoxR gbp/Fop6+IeE9fHKWOhgdCV00DB3taQrZOZjE6YQrMSufieqPkexCUpO6iggocjnYVk2 iom0j5xOXlwiyS2AW4B8oj1RPwHpDXJ2ryxpM9JmOYDQzios9vv6akXWObuThuYF3s92 fCAVV3kMP2CKgeucvDUAOI8RqbmY69hsAt4uY9pHryUA1MGpitpYI3evCGhoVIrTJEJF HtHA== X-Gm-Message-State: ACgBeo1D7/FwKHUMeXpH63UXQEgadqeNVDRF/AyPdV4hPvkOwogkUBuX JFM3nTyl6TfulSzAAEIoiqXCvz2/poGL3+7MgdePMjzMOj8e X-Google-Smtp-Source: AA6agR7Hi8B5W6WKGtAFwNNK4FUnHOGc4ICUBkEfs2/hpQ+PtJ8uOlWMicG2kCUmtKciLXR1skIHdYUjGApnwnJNYP1JTBqG2pa1 MIME-Version: 1.0 X-Received: by 2002:a05:6638:2490:b0:343:31f3:b09f with SMTP id x16-20020a056638249000b0034331f3b09fmr5093263jat.247.1660214587687; Thu, 11 Aug 2022 03:43:07 -0700 (PDT) Date: Thu, 11 Aug 2022 03:43:07 -0700 In-Reply-To: <000000000000a256df05e39a74e7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c0089905e5f4d452@google.com> Subject: Re: [syzbot] inconsistent lock state in find_vmap_area From: syzbot To: alan.maguire@oracle.com, andrii@kernel.org, ast@kernel.org, bp@alien8.de, bpf@vger.kernel.org, daniel@iogearbox.net, dave.hansen@linux.intel.com, gor@linux.ibm.com, hpa@zytor.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, luto@kernel.org, mingo@redhat.com, netdev@vger.kernel.org, peterz@infradead.org, rdunlap@infradead.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org syzbot has bisected this issue to: commit 43174f0d4597325cb91f1f1f55263eb6e6101036 Author: Alan Maguire Date: Mon Nov 29 10:00:40 2021 +0000 libbpf: Silence uninitialized warning/error in btf_dump_dump_type_data bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1350eb05080000 start commit: 200e340f2196 Merge tag 'pull-work.dcache' of git://git.ker.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=10d0eb05080000 console output: https://syzkaller.appspot.com/x/log.txt?x=1750eb05080000 kernel config: https://syzkaller.appspot.com/x/.config?x=a3f4d6985d3164cd dashboard link: https://syzkaller.appspot.com/bug?extid=8d19062486784d15dda9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1252c5a7080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1160a8e3080000 Reported-by: syzbot+8d19062486784d15dda9@syzkaller.appspotmail.com Fixes: 43174f0d4597 ("libbpf: Silence uninitialized warning/error in btf_dump_dump_type_data") For information about bisection process see: https://goo.gl/tpsmEJ#bisection