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 4E2CBC2BA19 for ; Tue, 14 Apr 2020 15:14:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F4B320768 for ; Tue, 14 Apr 2020 15:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437417AbgDNPOP (ORCPT ); Tue, 14 Apr 2020 11:14:15 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:44506 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437530AbgDNPNP (ORCPT ); Tue, 14 Apr 2020 11:13:15 -0400 Received: by mail-io1-f70.google.com with SMTP id o20so15072231ioa.11 for ; Tue, 14 Apr 2020 08:13:14 -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:message-id:subject:from:to; bh=4bd4gGbYFPD8Vgj5mhiYerb95l8W8erwkDbv2sntZe4=; b=TVjiFs4Ir4ne2B0dlEqw72nnL5hwBSe7iV72TaYq/ZBo1/qNNllsi6E3+La9nSYZ35 OhQlvOWX0haX9eZfEo6/fgDRLvHKMFfNNyCDJ7hMFioow0QaQBrbvhsqmKf1neVOFSec ScN0+/tQBdqK3ZMSapKLf1xiSbTh42bOBdWAVv/REjPgLIawh0fqNt/ZuMNgAbp3oyp1 ncBoi43sBO2B9KgZA5C6JuHV83NHDGTqhxGNB9gRkBgZbyyc++KUkBK3hsHlyug++n9v 6Qj71NEh6Job6PxQD/Kln1SwGyMmXAVuntrlq8pca7CJ86CNd62vg1IXSjB2bRpUI53m MVCw== X-Gm-Message-State: AGi0PuarB/09Z9fvccv8pd7ED8QwI25r0wp6QV+Hqb5Y6MljhxnCg7rm 94jUOsjwtshg4oE7i/jsnXt2VCf6HXacFt0992wmn6coyer/ X-Google-Smtp-Source: APiQypLIzsH7qfTHqPmsTuLm4Q0+Sm9UqavdIUvKbyeJX958xaaFJ/mQ5uH3tn0w9O/2o5J3WnZ39jpgRGPQHF3fODfgTs3DKlmG MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4c:: with SMTP id i12mr656378ilr.185.1586877194034; Tue, 14 Apr 2020 08:13:14 -0700 (PDT) Date: Tue, 14 Apr 2020 08:13:14 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000073e9c305a341a39a@google.com> Subject: WARNING in cpu_latency_qos_remove_request From: syzbot To: len.brown@intel.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, pavel@ucw.cz, rjw@rjwysocki.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: c0cc2711 Merge tag 'modules-for-v5.7' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10834007e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=23c5a352e32a1944 dashboard link: https://syzkaller.appspot.com/bug?extid=6e2d4fbfbf03293bb776 compiler: gcc (GCC) 9.0.0 20181231 (experimental) userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14fbbffbe00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+6e2d4fbfbf03293bb776@syzkaller.appspotmail.com ------------[ cut here ]------------ cpu_latency_qos_remove_request called for unknown object WARNING: CPU: 1 PID: 9086 at kernel/power/qos.c:322 cpu_latency_qos_remove_request+0x59/0x380 kernel/power/qos.c:322 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9086 Comm: syz-executor.2 Not tainted 5.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:cpu_latency_qos_remove_request+0x59/0x380 kernel/power/qos.c:322 Code: 02 00 0f 85 f4 02 00 00 48 81 7d 28 80 97 9a 89 74 25 e8 3a 85 18 00 48 c7 c6 20 fc 2b 88 48 c7 c7 20 f8 2b 88 e8 4f b9 e9 ff <0f> 0b 5b 5d 41 5c 41 5d e9 1a 85 18 00 e8 15 85 18 00 0f 1f 44 00 RSP: 0018:ffffc90002717bb0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815cd551 RDI: fffff520004e2f68 RBP: ffff8880a3644840 R08: ffff8880a2b04300 R09: ffffed1015ce66a9 R10: ffff8880ae733547 R11: ffffed1015ce66a8 R12: ffff8880a3644800 R13: ffff8880a36449e4 R14: 1ffff920004e2f85 R15: 0000000000000000 snd_pcm_hw_free sound/core/pcm_native.c:827 [inline] snd_pcm_common_ioctl+0xb32/0x2260 sound/core/pcm_native.c:3192 snd_pcm_ioctl_compat+0x70b/0x10d0 sound/core/pcm_compat.c:532 __do_compat_sys_ioctl fs/ioctl.c:857 [inline] __se_compat_sys_ioctl fs/ioctl.c:808 [inline] __ia32_compat_sys_ioctl+0x23d/0x2b0 fs/ioctl.c:808 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches