[ 0.000000][ T0] Linux version 5.13.0-syzkaller (syzkaller@syzkaller) (Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1) #0 SMP now [ 0.000000][ T0] Command liserialport: Connected to syzkaller.us-central1-c.ci2-upstream-kcsan-gce-test-0 port 1 (session ID: 7a0f66e6e3407a6bb471de919ebae733d1c22afb63aedb999de5010cfd21afcf, active connections: 1). ne: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 [ 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] 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] Malformed early option 'numa' [ 0.000000][ T0] nopcid: PCID feature disabled [ 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 [ 0.000000][ T0] kvm-clock: cpu 0, msr 4132001, primary cpu clock [ 0.000009][ T0] kvm-clock: using sched offset of 3824258202 cycles [ 0.001771][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.005077][ T0] tsc: Detected 2299.998 MHz processor [ 0.010236][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.011963][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014170][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.020794][ T0] found SMP MP-table at [mem 0x000f26c0-0x000f26cf] [ 0.022097][ T0] Using GB pages for direct mapping [ 0.023545][ T0] ACPI: Early table checksum verification disabled [ 0.024552][ T0] ACPI: RSDP 0x00000000000F2440 000014 (v00 Google) [ 0.025579][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.026935][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.029099][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.030933][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.032099][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.033241][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.035366][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.037153][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.039028][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.040387][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff340-0xbffff433] [ 0.041972][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffda80-0xbffff339] [ 0.043253][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffda40-0xbfffda7f] [ 0.044793][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffda40-0xbfffda7f] [ 0.046826][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe70-0xbfffff37] [ 0.048185][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdc0-0xbffffe35] [ 0.049566][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff440-0xbffffdbf] [ 0.051163][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe40-0xbffffe67] [ 0.053814][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.054941][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.055926][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.057154][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.058630][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.060717][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.063311][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.065547][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff] [ 0.066807][ T0] Zone ranges: [ 0.067448][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.068512][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.070155][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.071932][ T0] Movable zone start for each node [ 0.072777][ T0] Early memory node ranges [ 0.073865][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.075125][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.076472][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.077796][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.079770][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.079812][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.124792][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.127022][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.129185][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.130244][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.131773][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.132958][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.134421][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.135596][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.137294][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.138442][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.139662][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.140850][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.142892][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.144250][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.146268][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.147679][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.149094][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.150992][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.152255][ T0] Booting paravirtualized kernel on KVM [ 0.153230][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.167593][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 0.170922][ T0] percpu: Embedded 80 pages/cpu s287960 r8192 d31528 u1048576 [ 0.172726][ T0] kvm-guest: stealtime: cpu 0, msr 237c170c0 [ 0.173810][ T0] kvm-guest: PV spinlocks enabled [ 0.175037][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.176613][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125 [ 0.177705][ T0] Policy zone: Normal [ 0.178724][ 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 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 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 [ 0.197121][ T0] Unknown command line parameters: ima_policy=tcb page_owner=on spec_store_bypass_disable=prctl watchdog_thresh=55 BOOT_IMAGE=/vmlinuz [ 0.202291][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.206234][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.208037][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.244699][ T0] Memory: 8125700K/8388204K available (30733K kernel code, 2857K rwdata, 5188K rodata, 1744K init, 924K bss, 262248K reserved, 0K cma-reserved) [ 0.248416][ T0] rcu: Hierarchical RCU implementation. [ 0.249745][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.251024][ T0] All grace periods are expedited (rcu_expedited). [ 0.252259][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.254335][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.261886][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.263890][ T0] random: crng done (trusting CPU's manufacturer) [ 0.267121][ T0] Console: colour VGA+ 80x25 [ 0.267867][ T0] printk: console [ttyS0] enabled [ 0.267867][ T0] printk: console [ttyS0] enabled [ 0.270176][ T0] printk: bootconsole [earlyser0] disabled [ 0.270176][ T0] printk: bootconsole [earlyser0] disabled [ 0.272676][ T0] ACPI: Core revision 20210604 [ 0.274020][ T0] APIC: Switch to symmetric I/O mode setup [ 0.280841][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.282752][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212733415c7, max_idle_ns: 440795236380 ns [ 0.285179][ T0] Calibrating delay loop (skipped) preset value.. 4599.99 BogoMIPS (lpj=22999980) [ 0.287529][ T0] pid_max: default: 32768 minimum: 301 [ 0.288669][ T0] LSM: Security Framework initializing [ 0.289617][ T0] SELinux: Initializing. [ 0.290573][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.292425][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.296602][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.298555][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.300333][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.302293][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 0.302348][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 0.305199][ T0] MDS: Mitigation: Clear CPU buffers [ 0.316536][ T0] Freeing SMP alternatives memory: 52K [ 0.317570][ T0] kcsan: non-strict mode configured - use CONFIG_KCSAN_STRICT=y to see all data races [ 0.439680][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.444340][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.445171][ T1] rcu: Hierarchical SRCU implementation. [ 0.445171][ T1] smp: Bringing up secondary CPUs ... [ 0.445323][ T1] x86: Booting SMP configuration: [ 0.446687][ T1] .... node #0, CPUs: #1 [ 0.021403][ T0] kvm-clock: cpu 1, msr 4132041, secondary cpu clock [ 0.449284][ T14] kvm-guest: stealtime: cpu 1, msr 237d170c0 [ 0.449284][ 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. [ 0.455271][ T1] smp: Brought up 1 node, 2 CPUs [ 0.456617][ T1] smpboot: Max logical packages: 1 [ 0.457424][ T1] smpboot: Total of 2 processors activated (9199.99 BogoMIPS) [ 0.459480][ T1] devtmpfs: initialized [ 0.459480][ T23] wait_for_initramfs() called before rootfs_initcalls [ 0.459480][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.459480][ T23] kworker/u4:0 (23) used greatest stack depth: 14264 bytes left [ 0.467726][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, linear) [ 0.470455][ T1] PM: RTC time: 20:52:31, date: 2021-07-07 [ 0.471776][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.473834][ T1] audit: initializing netlink subsys (disabled) [ 0.475265][ T25] audit: type=2000 audit(1625691151.507:1): state=initialized audit_enabled=0 res=1 [ 0.475889][ T1] kcsan: selftest: 3/3 tests passed [ 0.478802][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 0.478811][ T1] thermal_sys: Registered thermal governor 'user_space' [ 0.478793][ T34] kworker/u4:0 (34) used greatest stack depth: 13680 bytes left [ 0.483175][ T1] cpuidle: using governor menu [ 0.485932][ T1] ACPI: bus type PCI registered [ 0.487413][ T1] PCI: Using configuration type 1 for base access [ 0.532099][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.535709][ T1] ACPI: Added _OSI(Module Device) [ 0.536374][ T1] ACPI: Added _OSI(Processor Device) [ 0.538534][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.539525][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 0.540700][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 0.545225][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.546288][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.553984][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.558261][ T1] ACPI: Interpreter enabled [ 0.559775][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 0.560817][ T1] ACPI: Using IOAPIC for interrupt routing [ 0.561867][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.564033][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 0.581741][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.583601][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 0.585291][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.588239][ T1] PCI host bridge to bus 0000:00 [ 0.589111][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.590871][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.592370][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.595213][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 0.596496][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.598119][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 0.603659][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 0.628473][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 0.652754][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 0.655987][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 0.665189][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 0.672552][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 0.690584][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 0.702465][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 0.711013][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 0.730762][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 0.744118][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 0.776098][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 0.786619][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 0.807938][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 0.820312][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 0.828971][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe802000-0xfe80203f] [ 0.847877][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 0.853442][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 0.857175][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 0.860849][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 0.865287][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 0.869019][ T1] iommu: Default domain type: Translated [ 0.870484][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 0.870484][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.870484][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 0.870484][ T1] vgaarb: loaded [ 0.875497][ T1] SCSI subsystem initialized [ 0.876367][ T1] ACPI: bus type USB registered [ 0.876636][ T1] usbcore: registered new interface driver usbfs [ 0.877914][ T1] usbcore: registered new interface driver hub [ 0.879346][ T1] usbcore: registered new device driver usb [ 0.880843][ T1] pps_core: LinuxPPS API ver. 1 registered [ 0.881869][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.883581][ T1] PTP clock support registered [ 0.885542][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 0.887796][ T1] NetLabel: Initializing [ 0.888618][ T1] NetLabel: domain hash size = 128 [ 0.889792][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.890899][ T1] NetLabel: unlabeled traffic allowed by default [ 0.892555][ T1] PCI: Using ACPI for IRQ routing [ 0.896010][ T1] clocksource: Switched to clocksource kvm-clock [ 0.942281][ T1] VFS: Disk quotas dquot_6.6.0 [ 0.943261][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.945061][ T1] pnp: PnP ACPI init [ 0.949195][ T1] pnp: PnP ACPI: found 7 devices [ 0.978632][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.981554][ T1] NET: Registered PF_INET protocol family [ 0.984555][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 1.002295][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, linear) [ 1.005521][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.010116][ T1] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes, linear) [ 1.016030][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 1.018691][ T1] UDP hash table entries: 4096 (order: 5, 131072 bytes, linear) [ 1.021676][ T1] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes, linear) [ 1.024430][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 1.026370][ T1] RPC: Registered named UNIX socket transport module. [ 1.027975][ T1] RPC: Registered udp transport module. [ 1.029401][ T1] RPC: Registered tcp transport module. [ 1.030906][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.033413][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.034908][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.036247][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.038497][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 1.040894][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 1.042598][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.046145][ T1] PCI: CLS 0 bytes, default 64 [ 1.047318][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.049764][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 2.076283][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 2.078176][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212733415c7, max_idle_ns: 440795236380 ns [ 2.080061][ T1] clocksource: Switched to clocksource tsc [ 2.085141][ T1] Initialise system trusted keyrings [ 2.086558][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 2.088543][ T1] NFS: Registering the id_resolver key type [ 2.090428][ T1] Key type id_resolver registered [ 2.091722][ T1] Key type id_legacy registered [ 2.092869][ T1] 9p: Installing v9fs 9p2000 file system support [ 2.103593][ T1] Key type asymmetric registered [ 2.104763][ T1] Asymmetric key parser 'x509' registered [ 2.106363][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 2.108060][ T1] io scheduler mq-deadline registered [ 2.109594][ T1] io scheduler kyber registered [ 2.117976][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 2.119984][ T1] ACPI: button: Power Button [PWRF] [ 2.122151][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 2.125392][ T1] ACPI: button: Sleep Button [SLPF] [ 2.130730][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 2.131975][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 2.139189][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 2.140642][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 2.152755][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 2.153731][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 2.160686][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 2.169051][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.171934][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 2.174159][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 2.177023][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 2.179593][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 2.182688][ T1] Non-volatile memory driver v1.3 [ 2.192846][ T1] Linux agpgart interface v0.103 [ 2.202131][ T1] loop: module loaded [ 2.214828][ T1] scsi host0: Virtio SCSI HBA [ 2.314365][ T1] libphy: Fixed MDIO Bus: probed [ 2.354650][ T1] e100: Intel(R) PRO/100 Network Driver [ 2.356358][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 2.357748][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 2.359903][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 2.362079][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 2.363266][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 2.364763][ T1] sky2: driver version 1.30 [ 2.366562][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.368226][ T1] ehci-pci: EHCI PCI platform driver [ 2.369329][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 2.371001][ T1] ohci-pci: OHCI PCI platform driver [ 2.372489][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 2.373743][ T1] usbcore: registered new interface driver usblp [ 2.374739][ T1] usbcore: registered new interface driver usb-storage [ 2.375977][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 2.377530][ T1] i8042: Warning: Keylock active [ 2.380550][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 2.381527][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 2.383720][ T1] rtc_cmos 00:00: RTC can wake from S4 [ 2.386105][ T1] rtc_cmos 00:00: registered as rtc0 [ 2.388082][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 2.390255][ T1] device-mapper: ioctl: 4.45.0-ioctl (2021-03-22) initialised: dm-devel@redhat.com [ 2.392143][ T1] intel_pstate: CPU model not supported [ 2.393057][ T1] hid: raw HID events driver (C) Jiri Kosina [ 2.395001][ T1] usbcore: registered new interface driver usbhid [ 2.396201][ T1] usbhid: USB HID core driver [ 2.398483][ T1] nf_conntrack_irc: failed to register helpers [ 2.403896][ T1] nf_conntrack_sip: failed to register helpers [ 2.405679][ T1] Initializing XFRM netlink socket [ 2.406743][ T1] NET: Registered PF_INET6 protocol family [ 2.408824][ T1] Segment Routing with IPv6 [ 2.409807][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 2.411992][ T1] NET: Registered PF_PACKET protocol family [ 2.413440][ T1] 9pnet: Installing 9P2000 support [ 2.414410][ T1] Key type dns_resolver registered [ 2.416646][ T1] IPI shorthand broadcast: enabled [ 2.417696][ T1] sched_clock: Marking stable (2404015147, 11403152)->(2419696675, -4278376) [ 2.419503][ T1] registered taskstats version 1 [ 2.420391][ T1] Loading compiled-in X.509 certificates [ 2.422714][ T1] PM: Magic number: 13:991:901 [ 2.423713][ T1] clocksource clocksource0: hash matches [ 2.424905][ T1] acpi PNP0501:01: hash matches [ 2.426180][ T1] printk: console [netcon0] enabled [ 2.427157][ T1] netconsole: network logging started [ 2.428255][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 2.431806][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 2.433227][ T915] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 2.435292][ T1] ALSA device list: [ 2.435686][ T915] cfg80211: failed to load regulatory.db [ 2.436503][ T1] No soundcards found. [ 2.585708][ T41] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 3.006975][ T41] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 3.010448][ T1] md: Waiting for all devices to be available before autodetect [ 3.012012][ T1] md: If you don't use raid, use raid=noautodetect [ 3.014246][ T1] md: Autodetecting RAID arrays. [ 3.015923][ T1] md: autorun ... [ 3.016844][ T1] md: ... autorun DONE. [ 3.018288][ T1] VFS: Cannot open root device "sda1" or unknown-block(0,0): error -6 [ 3.021362][ T1] Please append a correct "root=" boot option; here are the available partitions: [ 3.025064][ T1] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 3.028240][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.13.0-syzkaller #0 [ 3.030598][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3.032950][ T1] Call Trace: [ 3.033960][ T1] dump_stack_lvl+0xb7/0x103 [ 3.035009][ T1] dump_stack+0x11/0x1a [ 3.035846][ T1] panic+0x1df/0x5ea [ 3.037287][ T1] mount_block_root+0x259/0x2ae [ 3.038185][ T1] mount_root+0x97/0xae [ 3.039033][ T1] prepare_namespace+0x27f/0x2ba [ 3.040199][ T1] kernel_init_freeable+0x233/0x289 [ 3.041687][ T1] ? rest_init+0x100/0x100 [ 3.042837][ T1] kernel_init+0x17/0x2d0 [ 3.043835][ T1] ? rest_init+0x100/0x100 [ 3.044768][ T1] ret_from_fork+0x1f/0x30 [ 3.047530][ T1] Kernel Offset: disabled [ 3.048887][ T1] Rebooting in 86400 seconds..