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 AC002C4332F for ; Thu, 3 Nov 2022 05:26:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230086AbiKCF01 (ORCPT ); Thu, 3 Nov 2022 01:26:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230241AbiKCF0T (ORCPT ); Thu, 3 Nov 2022 01:26:19 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8871F18B08 for ; Wed, 2 Nov 2022 22:26:18 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id g13-20020a056602072d00b006c60d59110fso456745iox.12 for ; Wed, 02 Nov 2022 22:26:18 -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:subject:date:message-id:reply-to; bh=hubE5cXRc9JuQCcqWhxOGTFZ206SuvXNuCleiqfj7l0=; b=b/O975iU/ZOc2bY8bT1oEI/SIL2hK+Yq153k/f25gsAf3X9fLn89svSP1lebqUjajy Y9HD8gqmrlz+G0TCEQRZcxDYRNDnaJUxYDDP0h6bRTI+YJST6YV9oJ71jqp/9qi26f7M rXJysoIruJYeQLUiMqNfn3UfcI9RWjItyiGYMnpck1bgkarbR28wIEXwOS9AcYYN3cI3 uw4fRG88Y4FuvXrVAc8ubozt0hm3kpscY7GN/eZ8T+7pZJJS5z5UCW+PqbfrELAMmDHi vFQMwB4Rh4gW9c2XU/APA1LshaNDweWQXF847dBVwmIfK7yx68Y7/2a+RknXAFj+e9c8 +QDg== X-Gm-Message-State: ACrzQf3ph/dp7yNy/GPYAoXLca6SK4gjCP1u4AqzommvxHGk3IbDTMx1 yeU8kjESsL0IYX0UrRU1/U+fjlD8o4QqlvPI2tDRxjOjS94y X-Google-Smtp-Source: AMsMyM7M+gbJ9p2WjkZ9tsLPHEN9g++/Bo3XU4yPT5uBfhfhLwrxINRWSCpGkuwwLFqDERYuy5PPDkBauLfSwc6aEbOSjHRRHa64 MIME-Version: 1.0 X-Received: by 2002:a92:cc49:0:b0:300:d9d7:fe36 with SMTP id t9-20020a92cc49000000b00300d9d7fe36mr860359ilq.225.1667453177891; Wed, 02 Nov 2022 22:26:17 -0700 (PDT) Date: Wed, 02 Nov 2022 22:26:17 -0700 In-Reply-To: <000000000000e9df4305ec7a3fc7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005912d405ec8a329c@google.com> Subject: Re: [syzbot] WARNING in __perf_event_overflow From: syzbot To: acme@kernel.org, alex.williamson@redhat.com, alexander.shishkin@linux.intel.com, bpf@vger.kernel.org, cohuck@redhat.com, dvyukov@google.com, elver@google.com, jgg@ziepe.ca, jolsa@kernel.org, kevin.tian@intel.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, peterz@infradead.org, shameerali.kolothum.thodi@huawei.com, syzkaller-bugs@googlegroups.com, yishaih@nvidia.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 c1d050b0d169fd60c8acef157db53bd4e3141799 Author: Yishai Hadas Date: Thu Sep 8 18:34:45 2022 +0000 vfio/mlx5: Create and destroy page tracker object bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=136eb2da880000 start commit: 88619e77b33d net: stmmac: rk3588: Allow multiple gmac cont.. git tree: bpf final oops: https://syzkaller.appspot.com/x/report.txt?x=10eeb2da880000 console output: https://syzkaller.appspot.com/x/log.txt?x=176eb2da880000 kernel config: https://syzkaller.appspot.com/x/.config?x=a66c6c673fb555e8 dashboard link: https://syzkaller.appspot.com/bug?extid=589d998651a580e6135d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11eabcea880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f7e632880000 Reported-by: syzbot+589d998651a580e6135d@syzkaller.appspotmail.com Fixes: c1d050b0d169 ("vfio/mlx5: Create and destroy page tracker object") For information about bisection process see: https://goo.gl/tpsmEJ#bisection