failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.131" "pwd"]: exit status 255 ssh: connect to host 10.128.0.131 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-root-test-1 port 1 (session ID: b51b372f3a3d1f16a75ca572bc704ff163ba34e3d630eb0a04c834a2ab6ba689, active connections: 1). SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 9f286936-a7ee-5d67-4ccc-1f58f9549664 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2710: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 5.18.0-syzkaller-13818-gd0e60d46bc03 (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] [Firmware Bug]: TSC doesn't count with P0 frequency! [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format. [ 0.000000][ T0] signal: max sigframe size: 1776 [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000006][ T0] kvm-clock: using sched offset of 2923051134 cycles [ 0.000863][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003216][ T0] tsc: Detected 2250.000 MHz processor [ 0.007406][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.008680][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.009934][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.012727][ T0] found SMP MP-table at [mem 0x000f29d0-0x000f29df] [ 0.013659][ T0] Using GB pages for direct mapping [ 0.015566][ T0] ACPI: Early table checksum verification disabled [ 0.016438][ T0] ACPI: RSDP 0x00000000000F2750 000014 (v00 Google) [ 0.017372][ T0] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.018639][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.019908][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.021356][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.022063][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.022794][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.024036][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.025289][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.026514][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.027736][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.028787][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.029826][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.030846][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.032063][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.033152][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.034236][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.035246][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.036554][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.037244][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.037964][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.038844][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.039732][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.040648][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.042085][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.043554][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.044746][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.046358][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.047443][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.064492][ T0] Zone ranges: [ 0.064969][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.065895][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.066796][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.067857][ T0] Device empty [ 0.068333][ T0] Movable zone start for each node [ 0.068998][ T0] Early memory node ranges [ 0.069543][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.070513][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.071438][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.072388][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.073304][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.074568][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.075651][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.075771][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.105046][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.258114][ T0] kasan: KernelAddressSanitizer initialized [ 0.260694][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.261427][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.262472][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.264243][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.265242][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.266267][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.267267][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.268265][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.269219][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.270425][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.271585][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.272825][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.274423][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.275540][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.276750][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.277871][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.279105][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.280198][ T0] Booting paravirtualized kernel on KVM [ 0.280927][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.331410][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.332936][ T0] percpu: Embedded 69 pages/cpu s243784 r8192 d30648 u1048576 [ 0.334084][ T0] kvm-guest: PV spinlocks enabled [ 0.334745][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.335871][ T0] Fallback order for Node 0: 0 1 [ 0.336594][ T0] Fallback order for Node 1: 1 0 [ 0.337291][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.338310][ T0] Policy zone: Normal [ 0.338843][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb 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 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid 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 dummy_hcd.num=8 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.353372][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.355620][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.356571][ T0] Stack Depot early init allocating hash table with memblock_alloc, 8388608 bytes [ 0.908451][ T0] Memory: 6830516K/8388204K available (141342K kernel code, 34661K rwdata, 30196K rodata, 2716K init, 34304K bss, 1557432K reserved, 0K cma-reserved) [ 0.911413][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 0.914005][ T0] Dynamic Preempt: full [ 0.914912][ T0] Running RCU self tests [ 0.915468][ T0] rcu: Preemptible hierarchical RCU implementation. [ 0.916317][ T0] rcu: RCU lockdep checking is enabled. [ 0.917017][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.917959][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 0.918927][ T0] rcu: RCU debug extended QS entry/exit. [ 0.919638][ T0] All grace periods are expedited (rcu_expedited). [ 0.920461][ T0] Trampoline variant of Tasks RCU enabled. [ 0.921219][ T0] Tracing variant of Tasks RCU enabled. [ 0.921922][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.923029][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.953329][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.954738][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.956068][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 0.957598][ T0] random: crng init done [ 0.959009][ T0] Console: colour VGA+ 80x25 [ 0.959684][ T0] printk: console [ttyS0] enabled [ 0.959684][ T0] printk: console [ttyS0] enabled [ 0.961033][ T0] printk: bootconsole [earlyser0] disabled [ 0.961033][ T0] printk: bootconsole [earlyser0] disabled [ 0.962563][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.963700][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.964357][ T0] ... MAX_LOCK_DEPTH: 48 [ 0.965119][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 0.965888][ T0] ... CLASSHASH_SIZE: 4096 [ 0.966613][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 0.967403][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 0.968144][ T0] ... CHAINHASH_SIZE: 131072 [ 0.968858][ T0] memory used by lock dependency info: 20657 kB [ 0.969756][ T0] memory used for stack traces: 8320 kB [ 0.970572][ T0] per task-struct memory footprint: 1920 bytes [ 0.971547][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.973195][ T0] ACPI: Core revision 20220331 [ 0.974401][ T0] APIC: Switch to symmetric I/O mode setup [ 0.980653][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.981946][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x206eb41f0da, max_idle_ns: 440795249997 ns [ 0.983500][ T0] Calibrating delay loop (skipped) preset value.. 4500.00 BogoMIPS (lpj=22500000) [ 0.993500][ T0] pid_max: default: 32768 minimum: 301 [ 0.994458][ T0] LSM: Security Framework initializing [ 0.995453][ T0] landlock: Up and running. [ 0.996072][ T0] Yama: becoming mindful. [ 0.996738][ T0] TOMOYO Linux initialized [ 0.997507][ T0] AppArmor: AppArmor initialized [ 0.998184][ T0] LSM support for eBPF active [ 1.000732][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.003526][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.004984][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.006218][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.009570][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.010884][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 512 [ 1.011841][ T0] Last level dTLB entries: 4KB 2048, 2MB 2048, 4MB 1024, 1GB 0 [ 1.012907][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.013554][ T0] Spectre V2 : Kernel not compiled with retpoline; no mitigation available! [ 1.013560][ T0] Spectre V2 : Vulnerable [ 1.015500][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.016757][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.017828][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.019114][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.020178][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.024098][ T0] Freeing SMP alternatives memory: 108K [ 1.145536][ T1] smpboot: CPU0: AMD EPYC 7B12 (family: 0x17, model: 0x31, stepping: 0x0) [ 1.148297][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.149473][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.150870][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.152120][ T1] Running RCU-tasks wait API self tests [ 1.253841][ T1] Performance Events: PMU not available due to virtualization, using software events only. [ 1.255991][ T1] rcu: Hierarchical SRCU implementation. [ 1.256119][ T16] printk: console [ttyS0] printing thread started [ 1.260790][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.261185][ T1] smp: Bringing up secondary CPUs ... [ 1.262232][ T1] x86: Booting SMP configuration: [ 1.262237][ T1] .... node #0, CPUs: #1 [ 1.266855][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.266866][ T1] smpboot: Max logical packages: 1 [ 1.266870][ T1] smpboot: Total of 2 processors activated (9000.00 BogoMIPS) [ 1.284038][ T1] allocated 134217728 bytes of page_ext [ 1.284258][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.292752][ T1] Node 0, zone DMA32: page owner found early allocated 18934 pages [ 1.293537][ T13] Callback from call_rcu_tasks_trace() invoked. [ 1.305168][ T1] Node 0, zone Normal: page owner found early allocated 292 pages [ 1.309963][ T1] Node 1, zone Normal: page owner found early allocated 19106 pages [ 1.310391][ T1] devtmpfs: initialized [ 1.310391][ T1] x86/mm: Memory block size: 128MB [ 1.345904][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.346006][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.348153][ T1] PM: RTC time: 02:39:31, date: 2022-06-05 [ 1.362341][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 1.368512][ T1] audit: initializing netlink subsys (disabled) [ 1.368621][ T27] audit: type=2000 audit(1654396771.123:1): state=initialized audit_enabled=0 res=1 [ 1.368621][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.368621][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.368621][ T1] cpuidle: using governor menu [ 1.368621][ T1] NET: Registered PF_QIPCRTR protocol family [ 1.375976][ T1] HugeTLB: can optimize 4095 vmemmap pages for hugepages-1048576kB [ 1.376881][ T1] PCI: Using configuration type 1 for base access [ 1.376888][ T1] PCI: Using configuration type 1 for extended access [ 1.473758][ T12] Callback from call_rcu_tasks() invoked. [ 1.524724][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 1.525275][ T1] HugeTLB: can optimize 7 vmemmap pages for hugepages-2048kB [ 1.525302][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 1.525313][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 1.553631][ T1] cryptd: max_cpu_qlen set to 1000 [ 1.603565][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 1.603565][ T1] raid6: using avx2x2 recovery algorithm [ 1.603565][ T1] ACPI: Added _OSI(Module Device) [ 1.603565][ T1] ACPI: Added _OSI(Processor Device) [ 1.603565][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.603565][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 1.603565][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 1.603565][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 1.603565][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 1.679091][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.833961][ T1] ACPI: Interpreter enabled [ 1.834286][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 1.834311][ T1] ACPI: Using IOAPIC for interrupt routing [ 1.834557][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.834567][ T1] PCI: Using E820 reservations for host bridge windows [ 1.837441][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.942784][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.942848][ T1] acpi PNP0A03:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 1.953812][ T1] PCI host bridge to bus 0000:00 [ 1.953823][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 1.953842][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.953865][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.953886][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.953908][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 1.953933][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.954437][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 1.959231][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 1.992861][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.010718][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.013529][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.013529][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.016193][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.031125][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.043523][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.054840][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.066620][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.072525][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.093976][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.097384][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 [ 2.103172][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.118614][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80203f] [ 2.136841][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.140640][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.145915][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.149247][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.151033][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.163497][ T1] iommu: Default domain type: Translated [ 2.163497][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.168165][ T1] SCSI subsystem initialized [ 2.173492][ T1] ACPI: bus type USB registered [ 2.173492][ T1] usbcore: registered new interface driver usbfs [ 2.173492][ T1] usbcore: registered new interface driver hub [ 2.173492][ T1] usbcore: registered new device driver usb [ 2.173492][ T1] mc: Linux media interface: v0.10 [ 2.173492][ T1] videodev: Linux video capture interface: v2.00 [ 2.173492][ T1] pps_core: LinuxPPS API ver. 1 registered [ 2.173492][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.173492][ T1] PTP clock support registered [ 2.173492][ T1] EDAC MC: Ver: 3.0.0 [ 2.193507][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 2.193507][ T1] Bluetooth: Core ver 2.22 [ 2.193507][ T1] NET: Registered PF_BLUETOOTH protocol family [ 2.193507][ T1] Bluetooth: HCI device and connection manager initialized [ 2.193507][ T1] Bluetooth: HCI socket layer initialized [ 2.193507][ T1] Bluetooth: L2CAP socket layer initialized [ 2.193507][ T1] Bluetooth: SCO socket layer initialized [ 2.193507][ T1] NET: Registered PF_ATMPVC protocol family [ 2.193507][ T1] NET: Registered PF_ATMSVC protocol family [ 2.193507][ T1] NetLabel: Initializing [ 2.193507][ T1] NetLabel: domain hash size = 128 [ 2.193507][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.193507][ T1] NetLabel: unlabeled traffic allowed by default [ 2.199944][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 2.199944][ T1] NET: Registered PF_NFC protocol family [ 2.199944][ T1] PCI: Using ACPI for IRQ routing [ 2.199944][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 2.199944][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 2.199944][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 2.199944][ T1] vgaarb: loaded [ 2.203494][ T1] clocksource: Switched to clocksource kvm-clock [ 2.215597][ T1] VFS: Disk quotas dquot_6.6.0 [ 2.215805][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.216308][ T1] FS-Cache: Loaded [ 2.224440][ T1] CacheFiles: Loaded [ 2.224906][ T1] TOMOYO: 2.6.0 [ 2.224911][ T1] Mandatory Access Control activated. [ 2.227445][ T1] AppArmor: AppArmor Filesystem Enabled [ 2.227828][ T1] pnp: PnP ACPI init [ 2.249616][ T1] pnp: PnP ACPI: found 7 devices [ 2.308433][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.309146][ T1] NET: Registered PF_INET protocol family [ 2.311985][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.325900][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 2.327362][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 2.331162][ T1] TCP bind bhash tables hash table entries: 65536 (order: 10, 5242880 bytes, vmalloc hugepage) [ 2.340008][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 2.342261][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 2.346919][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 2.348782][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 2.349928][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 2.374530][ T1] RPC: Registered named UNIX socket transport module. [ 2.374543][ T1] RPC: Registered udp transport module. [ 2.374549][ T1] RPC: Registered tcp transport module. [ 2.374555][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.376276][ T1] NET: Registered PF_XDP protocol family [ 2.376307][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 2.376327][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 2.376343][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 2.376361][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 2.377207][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.377444][ T1] PCI: CLS 0 bytes, default 64 [ 2.382278][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.382286][ T1] software IO TLB: mapped [mem 0x00000000b5a00000-0x00000000b9a00000] (64MB) [ 2.382366][ T1] ACPI: bus type thunderbolt registered [ 2.398300][ T58] kworker/u4:3 (58) used greatest stack depth: 27744 bytes left [ 2.413635][ T1] kvm: no hardware support for 'kvm_intel' [ 2.413647][ T1] has_svm: svm not available [ 2.413653][ T1] kvm: no hardware support for 'kvm_amd' [ 2.413665][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x206eb41f0da, max_idle_ns: 440795249997 ns [ 2.413738][ T1] clocksource: Switched to clocksource tsc [ 2.446281][ T86] kworker/u4:4 (86) used greatest stack depth: 27232 bytes left [ 5.053381][ T1] Initialise system trusted keyrings [ 5.056333][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 5.087124][ T1] zbud: loaded [ 5.093291][ T1] DLM installed [ 5.099772][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.108276][ T1] NFS: Registering the id_resolver key type [ 5.108324][ T1] Key type id_resolver registered [ 5.108329][ T1] Key type id_legacy registered [ 5.108583][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.108633][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.108639][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 5.115500][ T1] Key type cifs.spnego registered [ 5.115607][ T1] Key type cifs.idmap registered [ 5.116143][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 5.117543][ T1] ntfs3: Max link count 4000 [ 5.117550][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.117553][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.119184][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 5.119468][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.123303][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.123921][ T1] QNX4 filesystem 0.2.3 registered. [ 5.124444][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.125075][ T1] fuse: init (API version 7.36) [ 5.127839][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.128337][ T1] orangefs_init: module version upstream loaded [ 5.129594][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.144500][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 5.154106][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.155536][ T1] NILFS version 2 loaded [ 5.155541][ T1] befs: version: 0.9.3 [ 5.157084][ T1] ocfs2: Registered cluster interface o2cb [ 5.157374][ T1] ocfs2: Registered cluster interface user [ 5.158112][ T1] OCFS2 User DLM kernel interface loaded [ 5.167108][ T1] gfs2: GFS2 installed [ 5.176500][ T1] ceph: loaded (mds proto 32) [ 5.186995][ T1] NET: Registered PF_ALG protocol family [ 5.187059][ T1] xor: automatically using best checksumming function avx [ 5.187082][ T1] async_tx: api initialized (async) [ 5.187093][ T1] Key type asymmetric registered [ 5.187109][ T1] Asymmetric key parser 'x509' registered [ 5.187114][ T1] Asymmetric key parser 'pkcs8' registered [ 5.187118][ T1] Key type pkcs7_test registered [ 5.189560][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 5.189741][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 5.190389][ T1] io scheduler mq-deadline registered [ 5.190396][ T1] io scheduler kyber registered [ 5.190846][ T1] io scheduler bfq registered [ 5.214026][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 5.264399][ T1] ACPI: button: Power Button [PWRF] [ 5.265403][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 5.266051][ T1] ACPI: button: Sleep Button [SLPF] [ 5.286322][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.286405][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.298272][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.298338][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.310698][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.310769][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.360360][ T286] kworker/u4:1 (286) used greatest stack depth: 27200 bytes left [ 5.534019][ T591] kworker/u4:1 (591) used greatest stack depth: 26920 bytes left [ 5.596357][ T1] N_HDLC line discipline registered with maxframe=4096 [ 5.596399][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 5.597099][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 5.601499][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 5.604587][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 5.608250][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 5.615441][ T1] Non-volatile memory driver v1.3 [ 285.603609][ T28] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 285.604684][ T28] Not tainted 5.18.0-syzkaller-13818-gd0e60d46bc03 #0 [ 285.605655][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.606879][ T28] task:swapper/0 state:D stack:23680 pid: 1 ppid: 0 flags:0x00004000 [ 285.608130][ T28] Call Trace: [ 285.608674][ T28] [ 285.609305][ T28] __schedule+0xa00/0x4b30 [ 285.610075][ T28] ? __mutex_lock+0xa6b/0x1350 [ 285.610734][ T28] ? io_schedule_timeout+0x140/0x140 [ 285.611455][ T28] schedule+0xd2/0x1f0 [ 285.612032][ T28] schedule_preempt_disabled+0xf/0x20 [ 285.612759][ T28] __mutex_lock+0xa70/0x1350 [ 285.613876][ T28] ? add_early_randomness+0x1a/0x170 [ 285.614632][ T28] ? mutex_lock_io_nested+0x1190/0x1190 [ 285.615376][ T28] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 285.616140][ T28] ? hwrng_init+0x29e/0x350 [ 285.616754][ T28] ? hwrng_manage_rngd+0x160/0x160 [ 285.617452][ T28] add_early_randomness+0x1a/0x170 [ 285.618145][ T28] hwrng_register+0x399/0x510 [ 285.618820][ T28] virtrng_scan+0x37/0x90 [ 285.619412][ T28] ? rng_current_store+0x2e0/0x2e0 [ 285.620105][ T28] virtio_dev_probe+0x639/0x910 [ 285.620769][ T28] ? virtio_features_ok+0x110/0x110 [ 285.621523][ T28] really_probe+0x23e/0xb90 [ 285.622208][ T28] __driver_probe_device+0x338/0x4d0 [ 285.622952][ T28] driver_probe_device+0x4c/0x1a0 [ 285.623706][ T28] __driver_attach+0x22d/0x550 [ 285.627664][ T28] ? __device_attach_driver+0x2f0/0x2f0 [ 285.633190][ T28] bus_for_each_dev+0x147/0x1d0 [ 285.638066][ T28] ? subsys_dev_iter_exit+0x20/0x20 [ 285.643445][ T28] bus_add_driver+0x422/0x640 [ 285.648238][ T28] driver_register+0x220/0x3a0 [ 285.653029][ T28] ? hwrng_modinit+0x109/0x109 [ 285.657827][ T28] do_one_initcall+0x103/0x650 [ 285.662684][ T28] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 285.669744][ T28] ? parameq+0xd0/0x170 [ 285.674043][ T28] kernel_init_freeable+0x6b1/0x73a [ 285.679326][ T28] ? rest_init+0x270/0x270 [ 285.683779][ T28] kernel_init+0x1a/0x1d0 [ 285.688626][ T28] ? rest_init+0x270/0x270 [ 285.693018][ T28] ret_from_fork+0x1f/0x30 [ 285.697505][ T28] [ 285.700563][ T28] [ 285.700563][ T28] Showing all locks held in the system: [ 285.708861][ T28] 2 locks held by swapper/0/1: [ 285.714638][ T28] #0: ffff888146bd3170 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x222/0x550 [ 285.724006][ T28] #1: ffffffff8c832d88 (reading_mutex){+.+.}-{3:3}, at: add_early_randomness+0x1a/0x170 [ 285.733918][ T28] 1 lock held by khungtaskd/28: [ 285.738763][ T28] #0: ffffffff8bd86be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 285.748617][ T28] 2 locks held by kworker/u4:4/62: [ 285.753750][ T28] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 285.764841][ T28] #1: ffffc90001bffda8 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 285.777105][ T28] 1 lock held by hwrng/752: [ 285.781616][ T28] #0: ffffffff8c832d88 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x141/0x370 [ 285.790874][ T28] [ 285.793190][ T28] ============================================= [ 285.793190][ T28] [ 285.801622][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 285.809167][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.18.0-syzkaller-13818-gd0e60d46bc03 #0 [ 285.811601][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.811601][ T28] Call Trace: [ 285.811601][ T28] [ 285.811601][ T28] dump_stack_lvl+0xcd/0x134 [ 285.811601][ T28] panic+0x2d7/0x636 [ 285.811601][ T28] ? panic_print_sys_info.part.0+0x10b/0x10b [ 285.811601][ T28] ? watchdog.cold+0x5/0x143 [ 285.811601][ T28] watchdog.cold+0x16/0x143 [ 285.811601][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 285.811601][ T28] kthread+0x2e9/0x3a0 [ 285.811601][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 285.811601][ T28] ret_from_fork+0x1f/0x30 [ 285.811601][ T28] [ 285.811601][ T28] Kernel Offset: disabled [ 285.811601][ T28] Rebooting in 86400 seconds..