[ 0.000000] Linux version 4.9.190 (syzkaller@ci2) (gcc version 9.0.0 20181231 (experimental) (GCC) ) #176 SMP PREEMPT Fri Aug 30 13:18:43 UTC 2019 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 security=selinux lsm=yama,safesetid,integrity,selinux,tomoyo ima_policy=tcb 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 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 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] e820: 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 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT [ 0.000000] e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2890-0x000f289f] mapped at [ffff8800000f2890] [ 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 0x00000000000F2620 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFDA50 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDA90 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFFF540 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFF450 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFF420 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFFF350 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] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.000000] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.000000] NODE_DATA(0) allocated [mem 0x12fffc000-0x12fffffff] [ 0.000000] NODE_DATA(1) allocated [mem 0x21fff9000-0x21fffcfff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00[ 0.000000] kvm-clock: cpu 0, msr 2:1fff8001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 2394183421 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 0x0000000000100000-0x00000000bfffcfff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.000000] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.000000] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 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 0xbfffd000-0xbfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000] e820: [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: 19112604462750000 ns [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.000000] percpu: Embedded 45 pages/cpu s147304 r8192 d28824 u1048576 [ 0.000000] Built 2 zonelists in Node order, mobility grouping on. Total pages: 1935238 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 security=selinux lsm=yama,safesetid,integrity,selinux,tomoyo ima_policy=tcb 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 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000] nopcid: PCID feature disabled [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Memory: 6536540K/7863916K available (77440K kernel code, 11575K rwdata, 15480K rodata, 2640K init, 25916K bss, 1327376K reserved, 0K cma-reserved) [ 0.000000] Running RCU self tests [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] RCU lockdep checking is enabled. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=2 [ 0.000000] NR_IRQS:4352 nr_irqs:440 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [ttyS0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 8159 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.000000] tsc: Detected 2300.000 MHz processor [ 1.621065] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.622311] pid_max: default: 32768 minimum: 301 [ 1.623411] ACPI: Core revision 20160831 [ 1.653495] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.656269] Security Framework initialized [ 1.657070] Yama: becoming mindful. [ 1.657729] SELinux: Initializing. [ 1.659561] AppArmor: AppArmor disabled by boot time parameter [ 1.664563] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 1.673843] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 1.679250] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.681264] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.687006] mce: CPU supports 32 MCE banks [ 1.688721] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.689605] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.691158] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.692743] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available![ 1.694309] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.695981] MDS: Mitigation: Clear CPU buffers [ 1.701857] Freeing SMP alternatives memory: 80K [ 1.709938] smpboot: Max logical packages: 2 [ 1.711588] x2apic enabled [ 1.714361] Switched APIC routing to physical x2apic. [ 1.719311] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.840017] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.841992] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.900172] ------------[ cut here ]------------ [ 1.901144] WARNING: CPU: 0 PID: 1 at ./include/linux/cpumask.h:121 cpumask_check.part.0+0x1c/0x20 [ 1.903130] Kernel panic - not syncing: panic_on_warn set ... [ 1.903130] [ 1.904964] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.190 #176 [ 1.906191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.908158] ffff88012b077860 ffffffff82b5c2fe ffffffff87c26e00 fffffbfff0d98fa4 [ 1.909750] 0000000000000000 ffffffff85c8fb80 00000000ffffffff 0000000000000000 [ 1.911738] 0000000000000009 ffff88012b077920 ffffffff81672464 0000000041b58ab3 [ 1.913432] Call Trace: [ 1.913873] [] dump_stack+0x138/0x19a [ 1.915023] [] panic+0x1f2/0x421 [ 1.915759] [] ? add_taint.cold+0x16/0x16 [ 1.916922] [] ? cpumask_check.part.0+0x1c/0x20 [ 1.918176] [] __warn.cold+0x2f/0x2f [ 1.919240] [] warn_slowpath_null+0x2d/0x40 [ 1.920178] [] cpumask_check.part.0+0x1c/0x20 [ 1.921524] [] try_to_wake_up+0x9c3/0xd30 [ 1.922630] [] ? migrate_swap_stop+0x990/0x990 [ 1.923696] [] wake_up_process+0x10/0x20 [ 1.924766] [] create_worker+0x3a3/0x530 [ 1.926344] [] ? alloc_worker+0x1c0/0x1c0 [ 1.927979] [] alloc_unbound_pwq+0x748/0xbc0 [ 1.928894] [] apply_wqattrs_prepare+0x499/0x970 [ 1.930006] [] ? __mutex_unlock_slowpath+0x2bc/0x530 [ 1.931421] [] apply_workqueue_attrs_locked+0xa7/0x140 [ 1.932916] [] apply_workqueue_attrs+0x31/0x50 [ 1.933889] [] __alloc_workqueue_key+0x564/0xe80 [ 1.934915] [] ? workqueue_sysfs_register+0x3d0/0x3d0 [ 1.936203] [] ? _find_next_bit.part.0+0xe0/0x110 [ 1.937737] [] ? kzalloc+0x1e/0x30 [ 1.938729] [] init_workqueues+0x9b0/0xb47 [ 1.940685] [] ? wq_sysfs_init+0x47/0x47 [ 1.941785] [] ? trace_event_define_fields_softirq+0x29/0x29 [ 1.943098] [] ? wq_sysfs_init+0x47/0x47 [ 1.944083] [] do_one_initcall+0xa0/0x220 [ 1.945398] [] ? speculative_store_bypass_ht_init+0x142/0x3c0 [ 1.946914] [] ? arch_local_save_flags+0x60/0x60 [ 1.948051] [] ? native_smp_prepare_cpus+0x894/0x8a3 [ 1.949161] [] kernel_init_freeable+0x2ee/0x532 [ 1.950510] [] ? compat_start_thread+0x80/0x80 [ 1.951601] [] ? rest_init+0x199/0x199 [ 1.953032] [] kernel_init+0x12/0x15e [ 1.954852] [] ret_from_fork+0x2a/0x40 [ 1.956094] Rebooting in 86400 seconds..