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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 E688DC04AA7 for ; Mon, 13 May 2019 20:58:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5530206A3 for ; Mon, 13 May 2019 20:58:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726528AbfEMU6U (ORCPT ); Mon, 13 May 2019 16:58:20 -0400 Received: from mail-it1-f198.google.com ([209.85.166.198]:52386 "EHLO mail-it1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726302AbfEMU6I (ORCPT ); Mon, 13 May 2019 16:58:08 -0400 Received: by mail-it1-f198.google.com with SMTP id 73so645099itl.2 for ; Mon, 13 May 2019 13:58:07 -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=Yslc7EmeKC8FFaT5ARJWUZkiHPlpgWxz3eAXZXWm3jg=; b=KQpekXfOt5lKuzZqW98XKLqrEyXJVDAxCatp2S9qBBzf+RUbHP9JrKHkTVlIPBR57X 6lU+lM3WrWvMJ8Y/fruNi//X1Ay+t4YxAaRqWJMLgrUMFL1DmLEXfrmk/gSfv1x1I6Cq ImWYmmY8fi4rW3GFXip4psmCGpk3uglkEETYmvpuF8P6A5rRdnD4U1X2W4Utrwnq0cRG 3Xvrjp0D61ouFAdoSwBq5kxWJdmLR3jDg+jHQkhNMiTtjDWNZ44NP7fujPL5aOoQ8+uF ZFutK3fZd1pH5v5pjdtDfOuTELvSGDclXz5VzkNBZqMISlfu962jyshhgMDoA76CgViC e7YQ== X-Gm-Message-State: APjAAAVe7Mx8nCqOuYRoNX0kDsjDekk7L2OcraQ42VAdkBHTlj03EKpP A9dnMd0uNMASksGDlG7EeneOhJ5sMsmmNDmHirn6L9/jS9kb X-Google-Smtp-Source: APXvYqzmYh0+rsZO3817u2bIOtvmrHkIKrv+CLRwlj6z2rZPuksRRdS5HdfBg4rSereA1hv1PaUfu5Ku+eko8mowqnj2vs1UxCGj MIME-Version: 1.0 X-Received: by 2002:a02:1d07:: with SMTP id 7mr20456365jaj.122.1557781087590; Mon, 13 May 2019 13:58:07 -0700 (PDT) Date: Mon, 13 May 2019 13:58:07 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005d36430588cb2cff@google.com> Subject: bpf boot error: WARNING: workqueue cpumask: online intersect > possible intersect From: syzbot To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 69dda13f Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=152a7100a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=de3262a7df18d5ca dashboard link: https://syzkaller.appspot.com/bug?extid=224b7c6385b8ab8d2a32 compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+224b7c6385b8ab8d2a32@syzkaller.appspotmail.com smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. rcu: Hierarchical SRCU implementation. NMI watchdog: Perf NMI watchdog permanently disabled smp: Bringing up secondary CPUs ... x86: Booting SMP configuration: .... node #0, CPUs: #1 smp: Brought up 2 nodes, 2 CPUs smpboot: Max logical packages: 1 smpboot: Total of 2 processors activated (9200.00 BogoMIPS) devtmpfs: initialized clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns futex hash table entries: 512 (order: 4, 65536 bytes) xor: automatically using best checksumming function avx PM: RTC time: 19:27:05, date: 2019-05-13 NET: Registered protocol family 16 audit: initializing netlink subsys (disabled) cpuidle: using governor menu ACPI: bus type PCI registered dca service started, version 1.12.1 PCI: Using configuration type 1 for base access WARNING: workqueue cpumask: online intersect > possible intersect HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages cryptd: max_cpu_qlen set to 1000 raid6: avx2x4 gen() 11340 MB/s raid6: avx2x4 xor() 6833 MB/s raid6: avx2x2 gen() 7098 MB/s raid6: avx2x2 xor() 3920 MB/s raid6: avx2x1 gen() 4157 MB/s raid6: avx2x1 xor() 2283 MB/s raid6: sse2x4 gen() 5797 MB/s raid6: sse2x4 xor() 3486 MB/s raid6: sse2x2 gen() 3562 MB/s raid6: sse2x2 xor() 2030 MB/s raid6: sse2x1 gen() 1947 MB/s raid6: sse2x1 xor() 1072 MB/s raid6: using algorithm avx2x4 gen() 11340 MB/s raid6: .... xor() 6833 MB/s, rmw enabled raid6: using avx2x2 recovery algorithm ACPI: Added _OSI(Module Device) ACPI: Added _OSI(Processor Device) ACPI: Added _OSI(3.0 _SCP Extensions) ACPI: Added _OSI(Processor Aggregator Device) ACPI: Added _OSI(Linux-Dell-Video) ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) ACPI: 2 ACPI AML tables successfully acquired and loaded ACPI: Interpreter enabled ACPI: (supports S0 S3 S4 S5) ACPI: Using IOAPIC for interrupt routing PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug ACPI: Enabled 16 GPEs in block 00 to 0F ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. PCI host bridge to bus 0000:00 pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] pci_bus 0000:00: root bus resource [bus 00-ff] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) ACPI: PCI Interrupt Link [LNKS] (IRQs *9) vgaarb: loaded SCSI subsystem initialized ACPI: bus type USB registered usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb media: Linux media interface: v0.10 videodev: Linux video capture interface: v2.00 pps_core: LinuxPPS API ver. 1 registered pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti PTP clock support registered EDAC MC: Ver: 3.0.0 Advanced Linux Sound Architecture Driver Initialized. PCI: Using ACPI for IRQ routing Bluetooth: Core ver 2.22 NET: Registered protocol family 31 Bluetooth: HCI device and connection manager initialized Bluetooth: HCI socket layer initialized Bluetooth: L2CAP socket layer initialized Bluetooth: SCO socket layer initialized NET: Registered protocol family 8 NET: Registered protocol family 20 NetLabel: Initializing NetLabel: domain hash size = 128 NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO NetLabel: unlabeled traffic allowed by default nfc: nfc_init: NFC Core ver 0.1 NET: Registered protocol family 39 clocksource: Switched to clocksource kvm-clock VFS: Disk quotas dquot_6.6.0 VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) FS-Cache: Loaded *** VALIDATE hugetlbfs *** CacheFiles: Loaded TOMOYO: 2.6.0 Profile 0 (used by '') is not defined. Userland tools for TOMOYO 2.6 must be installed and policy must be initialized. Please see https://tomoyo.osdn.jp/2.6/ for more information. --- 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.