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@10.128.0.187" "pwd"]: exit status 255 ssh: connect to host 10.128.0.187 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-386-test-1 port 1 (session ID: 22762ab3d6dbcd3f19cecd7a93d1aaeb53cd9a44b2f8848e4d1ad3db3fb0b25a, 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 865acf56-5018-f840-325d-6dfd44d883f2 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 0x000f2700: 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 5.19.0-rc1-syzkaller-00024-g6bfb56e93bce (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] 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 'standard' 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] nopcid: PCID feature disabled [ 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 [ 0.000008][ T0] kvm-clock: using sched offset of 3686227109 cycles [ 0.000791][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003145][ T0] tsc: Detected 2200.184 MHz processor [ 0.008160][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.009104][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.010124][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.017702][ T0] found SMP MP-table at [mem 0x000f29c0-0x000f29cf] [ 0.018893][ T0] Using GB pages for direct mapping [ 0.021422][ T0] ACPI: Early table checksum verification disabled [ 0.022513][ T0] ACPI: RSDP 0x00000000000F2740 000014 (v00 Google) [ 0.023512][ T0] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.025005][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.026326][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.028016][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.028964][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.029702][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.031066][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.032539][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.034376][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.035664][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.036689][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.037833][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.039009][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.040134][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.041175][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.042218][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.043313][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.045539][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.046325][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.047149][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.048110][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.049299][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.050269][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.051931][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.053568][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.055265][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.057017][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.058399][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.097661][ T0] Zone ranges: [ 0.098811][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.099725][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.100646][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.101573][ T0] Device empty [ 0.102066][ T0] Movable zone start for each node [ 0.102726][ T0] Early memory node ranges [ 0.103334][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.104301][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.105350][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.106548][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.107684][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.108803][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.110062][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.110213][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.146661][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.493084][ T0] kasan: KernelAddressSanitizer initialized [ 0.495896][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.496940][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.498146][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.499324][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.500597][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.501891][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.503254][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.504515][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.505605][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.506728][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.507964][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.509168][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.510317][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.511527][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.512873][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.514033][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.515359][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.516397][ T0] Booting paravirtualized kernel on KVM [ 0.517155][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.586290][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.588317][ T0] percpu: Embedded 69 pages/cpu s243784 r8192 d30648 u1048576 [ 0.589660][ T0] kvm-guest: PV spinlocks enabled [ 0.590594][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.591840][ T0] Fallback order for Node 0: 0 1 [ 0.592642][ T0] Fallback order for Node 1: 1 0 [ 0.593434][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.594618][ T0] Policy zone: Normal [ 0.595431][ 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 [ 0.613155][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.615785][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.616751][ T0] Stack Depot early init allocating hash table with memblock_alloc, 8388608 bytes [ 1.495329][ T0] Memory: 6830516K/8388204K available (141342K kernel code, 34660K rwdata, 30196K rodata, 2708K init, 34312K bss, 1557432K reserved, 0K cma-reserved) [ 1.498775][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.502028][ T0] Dynamic Preempt: full [ 1.503527][ T0] Running RCU self tests [ 1.504254][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.505206][ T0] rcu: RCU lockdep checking is enabled. [ 1.506094][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.507252][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.508442][ T0] rcu: RCU debug extended QS entry/exit. [ 1.509266][ T0] All grace periods are expedited (rcu_expedited). [ 1.510676][ T0] Trampoline variant of Tasks RCU enabled. [ 1.511541][ T0] Tracing variant of Tasks RCU enabled. [ 1.512368][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.513639][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.552519][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.554109][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.555522][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.557466][ T0] random: crng init done [ 1.559345][ T0] Console: colour VGA+ 80x25 [ 1.560090][ T0] printk: console [ttyS0] enabled [ 1.560090][ T0] printk: console [ttyS0] enabled [ 1.562053][ T0] printk: bootconsole [earlyser0] disabled [ 1.562053][ T0] printk: bootconsole [earlyser0] disabled [ 1.563851][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.565138][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.565870][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.566684][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.567453][ T0] ... CLASSHASH_SIZE: 4096 [ 1.568285][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.569326][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.570150][ T0] ... CHAINHASH_SIZE: 131072 [ 1.571015][ T0] memory used by lock dependency info: 20657 kB [ 1.572111][ T0] memory used for stack traces: 8320 kB [ 1.573003][ T0] per task-struct memory footprint: 1920 bytes [ 1.574240][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.576240][ T0] ACPI: Core revision 20220331 [ 1.578008][ T0] APIC: Switch to symmetric I/O mode setup [ 1.584127][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.585719][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6e098a80, max_idle_ns: 440795284046 ns [ 1.587721][ T0] Calibrating delay loop (skipped) preset value.. 4400.36 BogoMIPS (lpj=22001840) [ 1.597719][ T0] pid_max: default: 32768 minimum: 301 [ 1.599555][ T0] LSM: Security Framework initializing [ 1.601111][ T0] landlock: Up and running. [ 1.601813][ T0] Yama: becoming mindful. [ 1.602546][ T0] TOMOYO Linux initialized [ 1.603462][ T0] AppArmor: AppArmor initialized [ 1.604382][ T0] LSM support for eBPF active [ 1.610857][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.614155][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.616063][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.617784][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.622964][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.624288][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.626076][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.627789][ T0] Spectre V2 : Kernel not compiled with retpoline; no mitigation available! [ 1.627798][ T0] Spectre V2 : Vulnerable [ 1.630229][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.632152][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.633667][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.635567][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.637011][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.637736][ T0] TAA: Mitigation: Clear CPU buffers [ 1.638726][ T0] MDS: Mitigation: Clear CPU buffers [ 1.642125][ T0] Freeing SMP alternatives memory: 108K [ 1.765123][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.767706][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.767706][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.767706][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.767934][ T1] Running RCU-tasks wait API self tests [ 1.877945][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.881347][ T1] rcu: Hierarchical SRCU implementation. [ 1.881518][ T16] printk: console [ttyS0] printing thread started [ 1.887323][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.889161][ T1] smp: Bringing up secondary CPUs ... [ 1.890568][ T1] x86: Booting SMP configuration: [ 1.890573][ T1] .... node #0, CPUs: #1 [ 1.891750][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 1.891750][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 1.891750][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.891750][ T1] smpboot: Max logical packages: 1 [ 1.891750][ T1] smpboot: Total of 2 processors activated (8800.73 BogoMIPS) [ 1.917774][ T13] Callback from call_rcu_tasks_trace() invoked. [ 1.940157][ T1] allocated 134217728 bytes of page_ext [ 1.940432][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.953332][ T1] Node 0, zone DMA32: page owner found early allocated 18934 pages [ 1.968204][ T1] Node 0, zone Normal: page owner found early allocated 292 pages [ 1.974212][ T1] Node 1, zone Normal: page owner found early allocated 19162 pages [ 1.978293][ T1] devtmpfs: initialized [ 1.979072][ T1] x86/mm: Memory block size: 128MB [ 2.018873][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.018873][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.020786][ T1] PM: RTC time: 15:13:20, date: 2022-06-09 [ 2.044320][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.051809][ T1] audit: initializing netlink subsys (disabled) [ 2.057798][ T28] audit: type=2000 audit(1654787600.997:1): state=initialized audit_enabled=0 res=1 [ 2.057734][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.057734][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.057734][ T1] cpuidle: using governor menu [ 2.057734][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.070610][ T1] HugeTLB: can optimize 4095 vmemmap pages for hugepages-1048576kB [ 2.071688][ T1] PCI: Using configuration type 1 for base access [ 2.098332][ T12] Callback from call_rcu_tasks() invoked. [ 2.257789][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.260011][ T1] HugeTLB: can optimize 7 vmemmap pages for hugepages-2048kB [ 2.260046][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.260062][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.281075][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.287742][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.287742][ T1] raid6: using avx2x2 recovery algorithm [ 2.287742][ T1] ACPI: Added _OSI(Module Device) [ 2.287742][ T1] ACPI: Added _OSI(Processor Device) [ 2.287742][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.287742][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.287742][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.287742][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.287742][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.393930][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.581013][ T1] ACPI: Interpreter enabled [ 2.581439][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.581471][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.581752][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.581765][ T1] PCI: Using E820 reservations for host bridge windows [ 2.585604][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.726476][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.726558][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.726586][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.727148][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.743163][ T1] PCI host bridge to bus 0000:00 [ 2.743177][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.743204][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.743235][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.743265][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.743296][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.743330][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.743804][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.759271][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.785636][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.813512][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.816540][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.826015][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.827706][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.845121][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.856699][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.857706][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.876341][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.891024][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.923741][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.931665][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.941309][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.949759][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 2.972847][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 2.981982][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.989978][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 3.029982][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.035135][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.044176][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.057973][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.060891][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.083062][ T1] iommu: Default domain type: Translated [ 3.083077][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.087733][ T1] SCSI subsystem initialized [ 3.090309][ T1] ACPI: bus type USB registered [ 3.090864][ T1] usbcore: registered new interface driver usbfs [ 3.091127][ T1] usbcore: registered new interface driver hub [ 3.091327][ T1] usbcore: registered new device driver usb [ 3.092884][ T1] mc: Linux media interface: v0.10 [ 3.093073][ T1] videodev: Linux video capture interface: v2.00 [ 3.093728][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.093737][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.093867][ T1] PTP clock support registered [ 3.108032][ T1] EDAC MC: Ver: 3.0.0 [ 3.117355][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.121752][ T1] Bluetooth: Core ver 2.22 [ 3.121942][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.121951][ T1] Bluetooth: HCI device and connection manager initialized [ 3.122037][ T1] Bluetooth: HCI socket layer initialized [ 3.122059][ T1] Bluetooth: L2CAP socket layer initialized [ 3.122148][ T1] Bluetooth: SCO socket layer initialized [ 3.122226][ T1] NET: Registered PF_ATMPVC protocol family [ 3.122235][ T1] NET: Registered PF_ATMSVC protocol family [ 3.122558][ T1] NetLabel: Initializing [ 3.122563][ T1] NetLabel: domain hash size = 128 [ 3.122571][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.122991][ T1] NetLabel: unlabeled traffic allowed by default [ 3.124903][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.125191][ T1] NET: Registered PF_NFC protocol family [ 3.125298][ T1] PCI: Using ACPI for IRQ routing [ 3.138564][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.138590][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.138604][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.138631][ T1] vgaarb: loaded [ 3.147947][ T1] clocksource: Switched to clocksource kvm-clock [ 3.169525][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.169743][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.170477][ T1] FS-Cache: Loaded [ 3.171714][ T1] CacheFiles: Loaded [ 3.172257][ T1] TOMOYO: 2.6.0 [ 3.172262][ T1] Mandatory Access Control activated. [ 3.175322][ T1] AppArmor: AppArmor Filesystem Enabled [ 3.175797][ T1] pnp: PnP ACPI init [ 3.203631][ T1] pnp: PnP ACPI: found 7 devices [ 3.250334][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.251385][ T1] NET: Registered PF_INET protocol family [ 3.254773][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.273329][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 3.275867][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.289577][ T1] TCP bind bhash tables hash table entries: 65536 (order: 10, 5242880 bytes, vmalloc hugepage) [ 3.295622][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.309026][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 3.311716][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.314827][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.316413][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.328723][ T1] RPC: Registered named UNIX socket transport module. [ 3.328736][ T1] RPC: Registered udp transport module. [ 3.328745][ T1] RPC: Registered tcp transport module. [ 3.328753][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.331161][ T1] NET: Registered PF_XDP protocol family [ 3.331203][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.331231][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.331255][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.331280][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 3.332410][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.332769][ T1] PCI: CLS 0 bytes, default 64 [ 3.347999][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.348010][ T1] software IO TLB: mapped [mem 0x00000000b5a00000-0x00000000b9a00000] (64MB) [ 3.348174][ T1] ACPI: bus type thunderbolt registered [ 3.361449][ T56] kworker/u4:2 (56) used greatest stack depth: 27744 bytes left [ 3.369509][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.410357][ T1] kvm: already loaded vendor module 'kvm_intel' [ 3.410380][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6e098a80, max_idle_ns: 440795284046 ns [ 3.410484][ T1] clocksource: Switched to clocksource tsc [ 3.460789][ T88] kworker/u4:4 (88) used greatest stack depth: 27232 bytes left [ 6.674641][ T1] Initialise system trusted keyrings [ 6.679249][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.719197][ T1] zbud: loaded [ 6.727261][ T1] DLM installed [ 6.734850][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.745972][ T1] NFS: Registering the id_resolver key type [ 6.746026][ T1] Key type id_resolver registered [ 6.746031][ T1] Key type id_legacy registered [ 6.746369][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.746433][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.746440][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 6.758673][ T1] Key type cifs.spnego registered [ 6.758853][ T1] Key type cifs.idmap registered [ 6.759667][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 6.761802][ T1] ntfs3: Max link count 4000 [ 6.761810][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 6.761815][ T1] ntfs3: Read-only LZX/Xpress compression included [ 6.764379][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 6.764796][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 6.770872][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 6.771709][ T1] QNX4 filesystem 0.2.3 registered. [ 6.772145][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 6.773115][ T1] fuse: init (API version 7.36) [ 6.777574][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 6.778459][ T1] orangefs_init: module version upstream loaded [ 6.779938][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.800922][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 6.814414][ T1] 9p: Installing v9fs 9p2000 file system support [ 6.815796][ T1] NILFS version 2 loaded [ 6.815800][ T1] befs: version: 0.9.3 [ 6.817249][ T1] ocfs2: Registered cluster interface o2cb [ 6.817627][ T1] ocfs2: Registered cluster interface user [ 6.818622][ T1] OCFS2 User DLM kernel interface loaded [ 6.834117][ T1] gfs2: GFS2 installed [ 6.846819][ T1] ceph: loaded (mds proto 32) [ 6.859703][ T1] NET: Registered PF_ALG protocol family [ 6.859832][ T1] xor: automatically using best checksumming function avx [ 6.859861][ T1] async_tx: api initialized (async) [ 6.859874][ T1] Key type asymmetric registered [ 6.859893][ T1] Asymmetric key parser 'x509' registered [ 6.859899][ T1] Asymmetric key parser 'pkcs8' registered [ 6.859904][ T1] Key type pkcs7_test registered [ 6.863067][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 6.863255][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 6.864442][ T1] io scheduler mq-deadline registered [ 6.864450][ T1] io scheduler kyber registered [ 6.865062][ T1] io scheduler bfq registered [ 6.892294][ T150] kworker/u4:4 (150) used greatest stack depth: 26816 bytes left [ 6.900160][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.949260][ T1] ACPI: button: Power Button [PWRF] [ 6.950563][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.951330][ T1] ACPI: button: Sleep Button [SLPF] [ 6.976708][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 6.976819][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.993690][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 6.993787][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.012454][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 7.012543][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 7.025396][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.046798][ T1] virtio_balloon virtio2: init_vqs: add stat_vq failed [ 7.048080][ T1] virtio_balloon: probe of virtio2 failed with error -5 [ 7.405795][ T669] kworker/u4:3 (669) used greatest stack depth: 26584 bytes left [ 7.433852][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.433911][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.434817][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.445037][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.450788][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.456016][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.474255][ T1] Non-volatile memory driver v1.3 [ 286.217912][ T29] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 286.219421][ T29] Not tainted 5.19.0-rc1-syzkaller-00024-g6bfb56e93bce #0 [ 286.220667][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.221877][ T29] task:swapper/0 state:D stack:23224 pid: 1 ppid: 0 flags:0x00004000 [ 286.223493][ T29] Call Trace: [ 286.223994][ T29] [ 286.224506][ T29] __schedule+0xa00/0x4b30 [ 286.225253][ T29] ? __mutex_lock+0xa6b/0x1350 [ 286.226066][ T29] ? io_schedule_timeout+0x140/0x140 [ 286.226931][ T29] schedule+0xd2/0x1f0 [ 286.227892][ T29] schedule_preempt_disabled+0xf/0x20 [ 286.228977][ T29] __mutex_lock+0xa70/0x1350 [ 286.229676][ T29] ? add_early_randomness+0x1a/0x170 [ 286.230612][ T29] ? mutex_lock_io_nested+0x1190/0x1190 [ 286.231418][ T29] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 286.232255][ T29] ? hwrng_init+0x29e/0x350 [ 286.232969][ T29] ? hwrng_manage_rngd+0x160/0x160 [ 286.234015][ T29] add_early_randomness+0x1a/0x170 [ 286.234947][ T29] hwrng_register+0x399/0x510 [ 286.235761][ T29] virtrng_scan+0x37/0x90 [ 286.236420][ T29] ? rng_current_store+0x2e0/0x2e0 [ 286.237342][ T29] virtio_dev_probe+0x639/0x910 [ 286.239231][ T29] ? virtio_features_ok+0x110/0x110 [ 286.244496][ T29] really_probe+0x23e/0xb90 [ 286.249159][ T29] __driver_probe_device+0x338/0x4d0 [ 286.254559][ T29] driver_probe_device+0x4c/0x1a0 [ 286.259784][ T29] __driver_attach+0x22d/0x550 [ 286.264584][ T29] ? __device_attach_driver+0x2f0/0x2f0 [ 286.270222][ T29] bus_for_each_dev+0x147/0x1d0 [ 286.270222][ T29] bus_for_each_dev+0x147/0x1d0 [ 286.270267][ T29] ? subsys_dev_iter_exit+0x20/0x20 [ 286.270306][ T29] bus_add_driver+0x422/0x640 [ 286.270343][ T29] driver_register+0x220/0x3a0 [ 286.270378][ T29] ? hwrng_modinit+0x109/0x109 [ 286.270408][ T29] do_one_initcall+0x103/0x650 [ 286.270450][ T29] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 286.270483][ T29] ? parameq+0x110/0x170 [ 286.270532][ T29] kernel_init_freeable+0x6b1/0x73a [ 286.270570][ T29] ? rest_init+0x270/0x270 [ 286.270601][ T29] kernel_init+0x1a/0x1d0 [ 286.270626][ T29] ? rest_init+0x270/0x270 [ 286.270653][ T29] ret_from_fork+0x1f/0x30 [ 286.270693][ T29] [ 286.270737][ T29] [ 286.270737][ T29] Showing all locks held in the system: [ 286.270750][ T29] 2 locks held by swapper/0/1: [ 286.270766][ T29] #0: ffff88801bc50170 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x222/0x550 [ 286.270846][ T29] #1: ffffffff8c8329c8 (reading_mutex){+.+.}-{3:3}, at: add_early_randomness+0x1a/0x170 [ 286.270927][ T29] 2 locks held by pr/ttyS0/16: [ 286.270945][ T29] 1 lock held by khungtaskd/29: [ 286.270960][ T29] #0: ffffffff8bd867a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 286.271068][ T29] 2 locks held by kworker/u4:3/52: [ 286.271084][ T29] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 286.271226][ T29] #1: ffffc90000bd7da8 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 286.271306][ T29] 1 lock held by hwrng/754: [ 286.271321][ T29] #0: ffffffff8c8329c8 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x141/0x370 [ 286.271398][ T29] [ 286.271405][ T29] ============================================= [ 286.271405][ T29] [ 286.271416][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 286.271458][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc1-syzkaller-00024-g6bfb56e93bce #0 [ 286.271485][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.271499][ T29] Call Trace: [ 286.271508][ T29] [ 286.271517][ T29] dump_stack_lvl+0xcd/0x134 [ 286.271596][ T29] panic+0x2d7/0x636 [ 286.271620][ T29] ? panic_print_sys_info.part.0+0x10b/0x10b [ 286.271657][ T29] ? watchdog.cold+0x5/0x143 [ 286.271700][ T29] watchdog.cold+0x16/0x143 [ 286.271733][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.271766][ T29] kthread+0x2e9/0x3a0 [ 286.271787][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.271816][ T29] ret_from_fork+0x1f/0x30 [ 286.271864][ T29] [ 286.275311][ T29] Kernel Offset: disabled