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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 2416BC43613 for ; Thu, 20 Jun 2019 14:39:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EE95D2084A for ; Thu, 20 Jun 2019 14:39:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731773AbfFTOjC (ORCPT ); Thu, 20 Jun 2019 10:39:02 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:48906 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726551AbfFTOjC (ORCPT ); Thu, 20 Jun 2019 10:39:02 -0400 Received: by mail-io1-f70.google.com with SMTP id z19so5497780ioi.15 for ; Thu, 20 Jun 2019 07:39:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=pcMSWZKNicDpxHahzslAEA1Gd+yI94665La65rLMOto=; b=G075XdKBdXY1rK0Fa9Uc/Y0BUNtuqCFAe/8duA9asUEsb34FAcpcMHAEv7XQwZOM7r DrPDYDbfzF3FpDAQS+68Vwcr4roXEQPgMrpLk3ouCIpelnGoKaenwbgrkmxB2wRREaRP XZuuloCgTW+IuqVTSRIq6CLy/NCRqfdhkYqShl1DOhrOJwfkk7cI8y7K0suY2xKC+Dew vzXMSUsVAA2WnPGb0X60Vx+0esimp+UDxslG/zpwJCiXsNHrMQLuqHIeRguNAQ3xYeKV UofkdOQXD+2t/N5DbCVbqPgqgIXegnuIUmw4NVlGUwTH+NLALCrd1tUH9tF6AcTZot8k aqJw== X-Gm-Message-State: APjAAAVwTujfA2AqOOlJcbZ9QTWxDE/XuXljABW4poKmq+mssInGTBES VFGR37rBMkfHwX89x8xUArkpI0Ms2Q8KZxATpAOgwLfWhexJ X-Google-Smtp-Source: APXvYqx+TYIh2vUv0uFyzxELBI4G5xYxTzkRj8btxI6/Q81qlMHz++HJM+3ytmsKnLPIC+Zek+ch3AjsBD++T5mDMbdR5vtbxIMl MIME-Version: 1.0 X-Received: by 2002:a5d:8c87:: with SMTP id g7mr20051791ion.85.1561041541089; Thu, 20 Jun 2019 07:39:01 -0700 (PDT) Date: Thu, 20 Jun 2019 07:39:01 -0700 In-Reply-To: <000000000000946842058bc1291d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000894e8f058bc24e2b@google.com> Subject: Re: WARNING in add_event_to_ctx From: syzbot To: acme@kernel.org, acme@redhat.com, alexander.shishkin@linux.intel.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, jbacik@fb.com, jolsa@redhat.com, kafai@fb.com, kernel-team@fb.com, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org, peterz@infradead.org, rostedt@goodmis.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, torvalds@linux-foundation.org, yhs@fb.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org syzbot has bisected this bug to: commit 33ea4b24277b06dbc55d7f5772a46f029600255e Author: Song Liu Date: Wed Dec 6 22:45:16 2017 +0000 perf/core: Implement the 'perf_uprobe' PMU bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17561aa1a00000 start commit: abf02e29 Merge tag 'pm-5.2-rc6' of git://git.kernel.org/pu.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=14d61aa1a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=10d61aa1a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=28ec3437a5394ee0 dashboard link: https://syzkaller.appspot.com/bug?extid=704bfe2c7d156640ad7a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d8b732a00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f7a5e6a00000 Reported-by: syzbot+704bfe2c7d156640ad7a@syzkaller.appspotmail.com Fixes: 33ea4b24277b ("perf/core: Implement the 'perf_uprobe' PMU") For information about bisection process see: https://goo.gl/tpsmEJ#bisection