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[209.132.180.67]) by mx.google.com with ESMTP id o8-v6si18902277pgl.534.2018.07.13.14.40.19; Fri, 13 Jul 2018 14:40:34 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729774AbeGMVz3 (ORCPT + 99 others); Fri, 13 Jul 2018 17:55:29 -0400 Received: from mail-it0-f70.google.com ([209.85.214.70]:44124 "EHLO mail-it0-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726126AbeGMVz2 (ORCPT ); Fri, 13 Jul 2018 17:55:28 -0400 Received: by mail-it0-f70.google.com with SMTP id z8-v6so8569656itc.9 for ; Fri, 13 Jul 2018 14:39:02 -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=95AjT7ny7qC8Gtw4p8JIK303mL9aMeo08DXkSIIh2So=; b=bc13wLfE7sHgswFHKSJW0QdiV/+GKbwbuE8w8FvJvdTNNiL55f7RFCl8AZEWuK6wpx reM+vLbRafeLo/MyiykYqcm8gvQzNGxf2yeoQXTXLfykS0ZzlDYq5e5sevQ3n1wfRtM1 6edtqUWAgv4M2GjSqD7DUUN1TZ/goIVsGLvMmj6SttPTmALOmubMHTiGmq0owDs8B2dD k36zIuEVpNMsERjAVm9Pes0NW5pKwANUIOZokFFAkH5xlyrcYIFLVtZoJ0qY/3eDquAl vv6rm7U8rK6sPea4NM3HtnJnVr6t/2XWBCeJeJ6F9jOX5d55lPMPYGGKXbYbn9DhJlFr GhUA== X-Gm-Message-State: AOUpUlF9rBHB+Xf5Jm0LCBkt4d5KTw5f4lHJchijMlkv3o0mHmW2G2ZA bRq6Vi2s0dKLYxAdNq0wU6KRvQ4KWJNp9bJLlkv7/faokxR3 MIME-Version: 1.0 X-Received: by 2002:a24:27c8:: with SMTP id g191-v6mr3292169ita.20.1531517942315; Fri, 13 Jul 2018 14:39:02 -0700 (PDT) Date: Fri, 13 Jul 2018 14:39:02 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000eb546f0570e84e90@google.com> Subject: unexpected kernel reboot (3) From: syzbot To: adobriyan@gmail.com, akpm@linux-foundation.org, gs051095@gmail.com, jhugo@codeaurora.org, jpoimboe@redhat.com, lauraa@codeaurora.org, linux-kernel@vger.kernel.org, linux@dominikbrodowski.net, mingo@kernel.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, thomas.lendacky@amd.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes 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: 1e4b044d2251 Linux 4.18-rc4 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17c6a6d0400000 kernel config: https://syzkaller.appspot.com/x/.config?x=25856fac4e580aa7 dashboard link: https://syzkaller.appspot.com/bug?extid=cce9ef2dd25246f815ee compiler: gcc (GCC) 8.0.1 20180413 (experimental) syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=165012c2400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1571462c400000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+cce9ef2dd25246f815ee@syzkaller.appspotmail.com output_len: 0x00000000092459b0 kernel_total_size: 0x000000000a505000 trampoline_32bit: 0x000000000009d000 Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Linux version 4.18.0-rc4+ (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC)) #138 SMP Mon Jul 9 10:45:11 UTC 2018 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 nopcid [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfff2fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfff3000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] Malformed early option 'vsyscall' [ 0.000000] nopcid: PCID feature disabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000000] last_pfn = 0xbfff3 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2310-0x000f231f] mapped at [(____ptrval____)] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F22D0 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFF3430 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFCF60 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFF3470 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFF65F0 00690D (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFF5D10 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFF5CE0 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFF4C30 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x21fffa000-0x21fffdfff] [ 0.000000] kvm-clock: cpu 0, msr 2:1fff8001, primary cpu clock [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: using sched offset of 3687300352 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfff2fff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff] [ 0.000000] Reserved but unavailable: 111 pages [ 0.000000] kasan: KernelAddressSanitizer initialized [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xbfff3000-0xbfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.000000] random: get_random_bytes called from boot_init_stack_canary arch/x86/include/asm/stackprotector.h:75 [inline] with crng_init=0 [ 0.000000] random: get_random_bytes called from start_kernel+0x112/0x949 init/main.c:559 with crng_init=0 [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] percpu: Embedded 56 pages/cpu @(____ptrval____) s188488 r8192 d32696 u1048576 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1935228 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 nopcid [ 0.000000] Memory: 6499784K/7863876K available (110620K kernel code, 12325K rwdata, 16060K rodata, 3968K init, 23144K bss, 1364092K reserved, 0K cma-reserved) [ 0.001000] Running RCU self tests [ 0.001000] Hierarchical RCU implementation. [ 0.001000] RCU lockdep checking is enabled. [ 0.001000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.001000] RCU callback double-/use-after-free debug enabled. [ 0.001000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.001000] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.001000] Console: colour VGA+ 80x25 [ 0.001000] console [ttyS0] enabled [ 0.001000] console [ttyS0] enabled [ 0.001000] bootconsole [earlyser0] disabled [ 0.001000] bootconsole [earlyser0] disabled [ 0.001000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.001000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.001000] ... MAX_LOCK_DEPTH: 48 [ 0.001000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.001000] ... CLASSHASH_SIZE: 4096 [ 0.001000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.001000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.001000] ... CHAINHASH_SIZE: 32768 [ 0.001000] memory used by lock dependency info: 7391 kB [ 0.001000] per task-struct memory footprint: 1920 bytes [ 0.001000] ACPI: Core revision 20180531 [ 0.001000] APIC: Switch to symmetric I/O mode setup [ 0.001276] x2apic enabled [ 0.003015] Switched APIC routing to physical x2apic. [ 0.006936] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.007000] tsc: Detected 2300.000 MHz processor [ 0.007036] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 0.008027] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=2300000) [ 0.009009] pid_max: default: 32768 minimum: 301 [ 0.010429] Security Framework initialized [ 0.011013] Yama: becoming mindful. [ 0.011564] SELinux: Initializing. [ 0.012346] AppArmor: AppArmor disabled by boot time parameter [ 0.017471] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.021318] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.022150] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.024021] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.026898] CPU: Physical Processor ID: 0 [ 0.027057] mce: CPU supports 32 MCE banks [ 0.028147] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.029009] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.030027] Spectre V2 : Mitigation: Full generic retpoline [ 0.030811] Speculative Store Bypass: Vulnerable [ 0.032237] Freeing SMP alternatives memory: 64K [ 0.035000] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.036166] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.037220] Hierarchical SRCU implementation. [ 0.038513] NMI watchdog: Perf event create on CPU 0 failed with -2 [ 0.039010] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.040411] smp: Bringing up secondary CPUs ... [ 0.043141] x86: Booting SMP configuration: [ 0.043767] .... node #0, CPUs: #1 [ 0.001000] kvm-clock: cpu 1, msr 2:1fff8041, secondary cpu clock [ 0.045621] smp: Brought up 1 node, 2 CPUs [ 0.046038] smpboot: Max logical packages: 1 [ 0.047014] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 0.050023] devtmpfs: initialized [ 0.061128] kworker/u4:0 (24) used greatest stack depth: 24072 bytes left [ 0.063068] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.064070] futex hash table entries: 512 (order: 4, 65536 bytes) [ 0.065665] xor: automatically using best checksumming function avx [ 0.067163] RTC time: 23:50:08, date: 07/09/18 [ 0.076126] NET: Registered protocol family 16 [ 0.079027] audit: initializing netlink subsys (disabled) [ 0.082322] audit: type=2000 audit(1531180208.790:1): state=initialized audit_enabled=0 res=1 [ 0.082489] kworker/u4:0 (38) used greatest stack depth: 23840 bytes left [ 0.083070] cpuidle: using governor menu [ 0.085961] ACPI: bus type PCI registered [ 0.087459] PCI: Using configuration type 1 for base access [ 0.116756] kworker/u4:1 (191) used greatest stack depth: 22816 bytes left [ 0.251466] kworker/u4:3 (813) used greatest stack depth: 21704 bytes left [ 0.264515] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.267167] cryptd: max_cpu_qlen set to 1000 [ 0.286038] raid6: sse2x1 gen() 1058 MB/s [ 0.303018] raid6: sse2x1 xor() 1003 MB/s [ 0.320027] raid6: sse2x2 gen() 3699 MB/s [ 0.337015] raid6: sse2x2 xor() 2000 MB/s [ 0.354013] raid6: sse2x4 gen() 6117 MB/s [ 0.371011] raid6: sse2x4 xor() 3408 MB/s [ 0.388022] raid6: avx2x1 gen() 3949 MB/s [ 0.405023] raid6: avx2x1 xor() 2044 MB/s [ 0.422012] raid6: avx2x2 gen() 7105 MB/s [ 0.439013] raid6: avx2x2 xor() 3931 MB/s [ 0.456012] raid6: avx2x4 gen() 12011 MB/s [ 0.473011] raid6: avx2x4 xor() 6335 MB/s [ 0.473676] raid6: using algorithm avx2x4 gen() 12011 MB/s [ 0.474011] raid6: .... xor() 6335 MB/s, rmw enabled [ 0.475009] raid6: using avx2x2 recovery algorithm [ 0.476621] ACPI: Added _OSI(Module Device) [ 0.477025] ACPI: Added _OSI(Processor Device) [ 0.477644] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.478150] ACPI: Added _OSI(Processor Aggregator Device) [ 0.479020] ACPI: Added _OSI(Linux-Dell-Video) [ 0.667606] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.151332] ACPI: Interpreter enabled [ 1.152209] ACPI: (supports S0 S3 S4 S5) [ 1.152779] ACPI: Using IOAPIC for interrupt routing [ 1.153189] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.156742] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.735035] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.736047] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 1.737102] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.738167] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 1.743316] PCI host bridge to bus 0000:00 [ 1.743969] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.744021] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.745019] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.746019] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.747021] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.781185] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.837777] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.841143] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.844264] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.847361] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.849429] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.211211] vgaarb: loaded [ 2.213323] SCSI subsystem initialized [ 2.215397] ACPI: bus type USB registered [ 2.216494] usbcore: registered new interface driver usbfs [ 2.217282] usbcore: registered new interface driver hub [ 2.218238] usbcore: registered new device driver usb [ 2.220307] pps_core: LinuxPPS API ver. 1 registered [ 2.221017] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.222080] PTP clock support registered [ 2.224122] EDAC MC: Ver: 3.0.0 [ 2.229323] Advanced Linux Sound Architecture Driver Initialized. [ 2.230385] PCI: Using ACPI for IRQ routing [ 2.233917] Bluetooth: Core ver 2.22 [ 2.234133] NET: Registered protocol family 31 [ 2.235025] Bluetooth: HCI device and connection manager initialized [ 2.236039] Bluetooth: HCI socket layer initialized [ 2.237037] Bluetooth: L2CAP socket layer initialized [ 2.238129] Bluetooth: SCO socket layer initialized [ 2.238849] NET: Registered protocol family 8 [ 2.239010] NET: Registered protocol family 20 [ 2.240188] NetLabel: Initializing [ 2.240741] NetLabel: domain hash size = 128 [ 2.241009] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.242236] NetLabel: unlabeled traffic allowed by default [ 2.244513] nfc: nfc_init: NFC Core ver 0.1 [ 2.245242] NET: Registered protocol family 39 [ 2.247238] clocksource: Switched to clocksource kvm-clock [ 2.730556] VFS: Disk quotas dquot_6.6.0 [ 2.731344] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.732778] FS-Cache: Loaded [ 2.733940] CacheFiles: Loaded [ 2.734644] pnp: PnP ACPI init [ 2.745177] pnp: PnP ACPI: found 7 devices [ 2.787732] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.789942] NET: Registered protocol family 2 [ 2.792534] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes) [ 2.794163] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 2.797360] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 2.802317] TCP: Hash tables configured (established 65536 bind 65536) [ 2.804421] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 2.805840] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 2.807770] NET: Registered protocol family 1 [ 2.809909] RPC: Registered named UNIX socket transport module. [ 2.810879] RPC: Registered udp transport module. [ 2.811567] RPC: Registered tcp transport module. [ 2.812236] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.814244] NET: Registered protocol family 44 [ 2.814936] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.816660] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.817618] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [(____ptrval____)-(____ptrval____)] [ 2.820236] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 2.821433] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 2.822239] RAPL PMU: hw unit of domain package 2^-0 Joules [ 2.823046] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 2.824118] VPID CAP should not exist if not support 1-setting enable VPID VM-execution control [ 2.827661] kvm: already loaded the other module [ 2.828759] Machine check injector initialized [ 2.832780] Scanning for low memory corruption every 60 seconds [ 2.869858] Initialise system trusted keyrings [ 2.871581] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 2.876642] DLM installed [ 2.878845] NFS: Registering the id_resolver key type [ 2.879715] Key type id_resolver registered [ 2.880336] Key type id_legacy registered [ 2.880923] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 2.881905] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 2.884574] ntfs: driver 2.1.32 [Flags: R/W]. [ 2.885749] fuse init (API version 7.27) [ 2.887944] JFS: nTxBlock = 8192, nTxLock = 65536 [ 2.895884] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 2.899068] 9p: Installing v9fs 9p2000 file system support [ 2.899873] FS-Cache: Netfs '9p' registered for caching [ 2.903337] gfs2: GFS2 installed [ 2.905189] FS-Cache: Netfs 'ceph' registered for caching [ 2.905948] ceph: loaded (mds proto 32) [ 2.935887] NET: Registered protocol family 38 [ 2.937491] async_tx: api initialized (async) [ 2.938288] Key type asymmetric registered [ 2.938903] Asymmetric key parser 'x509' registered [ 2.939616] Key type pkcs7_test registered [ 2.940390] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) [ 2.941824] io scheduler noop registered [ 2.942491] io scheduler deadline registered [ 2.943253] io scheduler cfq registered (default) [ 2.943909] io scheduler mq-deadline registered [ 2.944558] io scheduler kyber registered [ 2.945224] io scheduler bfq registered [ 2.949801] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 2.951274] ACPI: Power Button [PWRF] [ 2.952513] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 2.953950] ACPI: Sleep Button [SLPF] [ 2.969156] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 2.970130] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 2.981371] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 2.982236] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 2.987559] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 3.011074] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 3.036177] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 3.060461] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 3.085088] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 3.092161] Non-volatile memory driver v1.3 [ 3.093887] Linux agpgart interface v0.103 [ 3.096570] [drm] radeon kernel modesetting enabled. [ 3.097867] [drm] amdgpu kernel modesetting enabled. [ 3.136509] brd: module loaded [ 3.156103] loop: module loaded [ 3.199680] null: module loaded [ 3.202863] nfcsim 0.2 initialized [ 3.204173] Loading iSCSI transport class v2.0-870. [ 3.224950] scsi host0: Virtio SCSI HBA [ 3.278741] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 3.619321] random: fast init done [ 3.871317] tsc: Refined TSC clocksource calibration: 2299.848 MHz [ 3.872489] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126a59471c, max_idle_ns: 440795280417 ns [ 4.051580] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 4.053038] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 4.054005] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 4.054689] sd 0:0:1:0: [sda] Write Protect is off [ 4.056801] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 4.057662] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) [ 4.075839] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 4.082787] MACsec IEEE 802.1AE [ 4.084211] tun: Universal TUN/TAP device driver, 1.6 [ 4.090168] sda: sda1 [ 4.096308] sd 0:0:1:0: [sda] Attached SCSI disk [ 4.115739] vcan: Virtual CAN interface driver [ 4.116877] vxcan: Virtual CAN Tunnel driver [ 4.117782] slcan: serial line CAN interface driver [ 4.118727] slcan: 10 dynamic interface channels. [ 4.119630] CAN device driver interface [ 4.120748] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53 [ 4.122290] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 4.123544] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.124802] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 4.125915] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.127266] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 4.128375] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.129678] sky2: driver version 1.30 [ 4.131666] PPP generic driver version 2.4.2 [ 4.133413] PPP BSD Compression module registered [ 4.134316] PPP Deflate Compression module registered [ 4.135247] PPP MPPE Compression module registered [ 4.136171] NET: Registered protocol family 24 [ 4.137135] PPTP driver version 0.8.5 [ 4.138546] mac80211_hwsim: initializing netlink [ 4.151795] usbcore: registered new interface driver asix [ 4.153120] usbcore: registered new interface driver ax88179_178a [ 4.154756] usbcore: registered new interface driver cdc_ether [ 4.156228] usbcore: registered new interface driver net1080 [ 4.157332] usbcore: registered new interface driver cdc_subset [ 4.158583] usbcore: registered new interface driver zaurus [ 4.159830] usbcore: registered new interface driver cdc_ncm [ 4.166750] aoe: AoE v85 initialised. [ 4.168571] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.170055] ehci-pci: EHCI PCI platform driver [ 4.170928] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.172466] ohci-pci: OHCI PCI platform driver [ 4.173447] uhci_hcd: USB Universal Host Controller Interface driver [ 4.175175] usbcore: registered new interface driver usblp [ 4.176421] usbcore: registered new interface driver usb-storage [ 4.178264] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 4.180704] i8042: Warning: Keylock active [ 4.185766] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.186873] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 4.189883] mousedev: PS/2 mouse device common for all mice [ 4.195129] rtc_cmos 00:00: RTC can wake from S4 [ 4.197629] rtc_cmos 00:00: registered as rtc0 [ 4.198392] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 4.199601] i2c /dev entries driver [ 4.202279] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 4.204318] i2c-parport-light: adapter type unspecified [ 4.205464] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 4.206992] usbcore: registered new interface driver i2c-tiny-usb [ 4.210196] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com [ 4.212181] device-mapper: raid: Loading target version 1.13.2 [ 4.214167] usbcore: registered new interface driver btusb [ 4.216842] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 4.218308] usnic_verbs:usnic_uiom_init:585: [ 4.218314] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 4.221246] usnic_verbs:usnic_ib_init:649: [ 4.221252] Unable to initalize umem with err -1 [ 4.223972] iscsi: registered transport (iser) [ 4.224940] OPA Virtual Network Driver - v1.0 [ 4.233092] hidraw: raw HID events driver (C) Jiri Kosina [ 4.238672] usbcore: registered new interface driver usbhid [ 4.240181] usbhid: USB HID core driver [ 4.243319] NET: Registered protocol family 40 [ 4.245444] ashmem: initialized [ 4.301535] NET: Registered protocol family 26 [ 4.302705] Mirror/redirect action on [ 4.303369] Simple TC action Loaded [ 4.305549] netem: version 1.3 [ 4.306442] u32 classifier [ 4.306881] Actions configured [ 4.309592] nf_conntrack_irc: failed to register helpers [ 4.310817] nf_conntrack_sane: failed to register helpers [ 4.347790] nf_conntrack_sip: failed to register helpers [ 4.351566] xt_time: kernel timezone is -0000 [ 4.352330] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 4.353221] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 4.354864] IPVS: ipvs loaded. [ 4.355378] IPVS: [rr] scheduler registered. [ 4.355947] IPVS: [wrr] scheduler registered. [ 4.356690] IPVS: [lc] scheduler registered. [ 4.357411] IPVS: [wlc] scheduler registered. [ 4.357966] IPVS: [fo] scheduler registered. [ 4.358695] IPVS: [ovf] scheduler registered. [ 4.359320] IPVS: [lblc] scheduler registered. [ 4.359914] IPVS: [lblcr] scheduler registered. [ 4.360549] IPVS: [dh] scheduler registered. [ 4.361134] IPVS: [sh] scheduler registered. [ 4.361787] IPVS: [mh] scheduler registered. [ 4.362505] IPVS: [sed] scheduler registered. [ 4.363127] IPVS: [nq] scheduler registered. [ 4.363867] IPVS: ftp: loaded support on port[0] = 21 [ 4.364617] IPVS: [sip] pe registered. [ 4.365354] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.367818] gre: GRE over IPv4 demultiplexor driver [ 4.368702] ip_gre: GRE over IPv4 tunneling driver [ 4.375584] IPv4 over IPsec tunneling driver [ 4.379441] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 4.381108] Initializing XFRM netlink socket [ 4.382089] NET: Registered protocol family 10 [ 4.390304] Segment Routing with IPv6 [ 4.391381] mip6: Mobile IPv6 [ 4.395708] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 4.399963] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.402417] ip6_gre: GRE over IPv6 tunneling driver [ 4.414889] bpfilter: Loaded bpfilter_umh pid 2226 Started bpfilter [ 4.417659] NET: Registered protocol family 17 [ 4.418448] NET: Registered protocol family 15 [ 4.419370] Bridge firewalling registered [ 4.420793] can: controller area network core (rev 20170425 abi 9) [ 4.421971] NET: Registered protocol family 29 [ 4.422632] can: raw protocol (rev 20170425) [ 4.423371] can: broadcast manager protocol (rev 20170425 t) [ 4.424187] can: netlink gateway (rev 20170425) max_hops=1 [ 4.425290] Bluetooth: RFCOMM TTY layer initialized [ 4.426234] Bluetooth: RFCOMM socket layer initialized [ 4.426996] Bluetooth: RFCOMM ver 1.11 [ 4.427576] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 4.428327] Bluetooth: BNEP filters: protocol multicast [ 4.429074] Bluetooth: BNEP socket layer initialized [ 4.429790] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 4.430639] Bluetooth: HIDP socket layer initialized [ 4.431880] RPC: Registered rdma transport module. [ 4.432609] RPC: Registered rdma backchannel transport module. [ 4.433785] NET: Registered protocol family 41 [ 4.434783] lec:lane_module_init: lec.c: initialized [ 4.435514] mpoa:atm_mpoa_init: mpc.c: initialized [ 4.436280] l2tp_core: L2TP core driver, V2.0 [ 4.436928] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 4.437647] 8021q: 802.1Q VLAN Support v1.8 [ 4.448256] DCCP: Activated CCID 2 (TCP-like) [ 4.448966] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 4.450303] sctp: Hash tables configured (bind 64/64) [ 4.451927] NET: Registered protocol family 21 [ 4.453840] Registered RDS/infiniband transport [ 4.455048] Registered RDS/tcp transport [ 4.455609] tipc: Activated (version 2.0.0) [ 4.456416] NET: Registered protocol family 30 [ 4.457747] tipc: Started in single node mode [ 4.458537] NET: Registered protocol family 43 [ 4.459408] 9pnet: Installing 9P2000 support [ 4.462714] NET: Registered protocol family 36 [ 4.463664] Key type dns_resolver registered [ 4.464483] Key type ceph registered [ 4.465400] libceph: loaded (mon/osd proto 15/24) [ 4.466210] openvswitch: Open vSwitch switching datapath [ 4.468474] mpls_gso: MPLS GSO support [ 4.481116] AVX2 version of gcm_enc/dec engaged. [ 4.481786] AES CTR mode by8 optimization enabled [ 4.489137] sched_clock: Marking stable (4489098455, 0)->(5973777099, -1484678644) [ 4.492800] registered taskstats version 1 [ 4.493466] Loading compiled-in X.509 certificates [ 4.494967] zswap: default zpool zbud not available [ 4.495913] zswap: pool creation failed [ 4.501246] Btrfs loaded, crc32c=crc32c-intel [ 4.504769] Key type big_key registered [ 4.506643] Key type encrypted registered [ 4.508723] Magic number: 10:909:857 [ 4.509390] bdi 8:0: hash matches [ 4.510492] console [netcon0] enabled [ 4.511047] netconsole: network logging started [ 4.512090] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 4.514631] rdma_rxe: loaded [ 4.515450] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 4.519364] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 4.520839] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 4.522155] cfg80211: failed to load regulatory.db [ 4.522185] ALSA device list: [ 4.523499] #0: Dummy 1 [ 4.523951] #1: Loopback 1 [ 4.524389] #2: Virtual MIDI Card 1 [ 4.825991] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 4.829533] md: Waiting for all devices to be available before autodetect [ 4.830562] md: If you don't use raid, use raid=noautodetect [ 4.835237] md: Autodetecting RAID arrays. [ 4.835882] md: autorun ... [ 4.836364] md: ... autorun DONE. --- 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#bug-status-tracking for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches