kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM) md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. VFS: Cannot open root device "sda1" or unknown-block(0,0): error -6 Please append a correct "root=" boot option; here are the available partitions: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.19.204 #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call Trace: do_syscall_x64 arch/x86/entry/common.c:48 [inline] dump_stack+0x69/0x84 arch/x86/entry/common.c:80 panic+0xe2/0x236 kernel/panic.c:283 mount_block_root+0x189/0x226 init/do_mounts.c:407 mount_root+0x10a/0x127 init/do_mounts.c:582 prepare_namespace+0x13a/0x172 init/do_mounts.c:619 arch_atomic_fetch_add arch/x86/include/asm/atomic.h:184 [inline] atomic_fetch_add_relaxed include/linux/atomic/atomic-instrumented.h:117 [inline] __refcount_add include/linux/refcount.h:193 [inline] __refcount_inc include/linux/refcount.h:250 [inline] refcount_inc include/linux/refcount.h:267 [inline] get_pid include/linux/pid.h:88 [inline] kernel_init_freeable+0x1f7/0x20c init/main.c:1553 kernel_init+0x9/0xfc init/main.c:1454 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:1537 Kernel Offset: 0xb000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]--- 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@10.128.0.217" "pwd"]: exit status 255 ssh: connect to host 10.128.0.217 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-kmsan-gce-386-test-job-parallel-1 port 1 (session ID: f83cdfaa4eeb022741aef29324f8e8be9ed33d1ada31e48067e3365fb54ed072, 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 620279df-eeaa-6dd5-c05a-aa9a703c78e7 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 0x000f2800: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000] Linux version 4.19.204 (spm@fussler.zrh.corp.google.com) (gcc version 11.3.0 (Buildroot 2022.08.2)) #1 SMP Thu Apr 20 15:46:31 CEST 2023 [ 0.000000] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 0.000000] Hypervisor detected: KVM [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 1f14a2001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 1191158832 cycles [ 0.000005] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000010] tsc: Detected 2199.998 MHz processor [ 0.001255] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.001324] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001332] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.006123] found SMP MP-table at [mem 0x000f2ac0-0x000f2acf] [ 0.006197] Scanning 1 areas for low memory corruption [ 0.006235] Using GB pages for direct mapping [ 0.006404] ACPI: Early table checksum verification disabled [ 0.006446] ACPI: RSDP 0x00000000000F2840 000014 (v00 Google) [ 0.006460] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.006466] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.006471] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.006475] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.006478] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.006481] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.006484] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.006487] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.006490] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.006493] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.006494] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.006495] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.006496] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.006497] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.006498] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.006499] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.006499] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.006551] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.006553] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.006557] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.006559] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.006561] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.006565] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.006569] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.006573] NODE_DATA(0) allocated [mem 0x23fffc000-0x23fffffff] [ 0.007472] Zone ranges: [ 0.007473] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.007474] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.007476] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.007477] Movable zone start for each node [ 0.007477] Early memory node ranges [ 0.007478] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.007479] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.007480] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.008344] Zeroed struct page in unavailable ranges: 101 pages [ 0.008346] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.079388] ACPI: PM-Timer IO Port: 0xb008 [ 0.079408] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.079488] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.079491] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.079493] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.079494] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.079495] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.079501] Using ACPI (MADT) for SMP configuration information [ 0.079504] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.079525] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.079526] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.079527] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.079528] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.079529] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.079530] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.079531] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.079533] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.079534] Booting paravirtualized kernel on KVM [ 0.079537] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.079551] random: get_random_bytes called from start_kernel+0x83/0x4a0 with crng_init=0 [ 0.079555] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.080103] percpu: Embedded 42 pages/cpu s134552 r8192 d29288 u1048576 [ 0.080132] kvm-stealtime: cpu 0, msr 237a15200 [ 0.080136] Built 1 zonelists, mobility grouping on. Total pages: 2064262 [ 0.080137] Policy zone: Normal [ 0.080138] Kernel command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.112698] Memory: 8166028K/8388204K available (14348K kernel code, 1199K rwdata, 2948K rodata, 1264K init, 1500K bss, 222176K reserved, 0K cma-reserved) [ 0.113191] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.113197] Kernel/User page tables isolation: enabled [ 0.123932] rcu: Hierarchical RCU implementation. [ 0.123933] rcu: RCU event tracing is enabled. [ 0.123934] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.123935] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.124095] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.125228] Console: colour VGA+ 80x25 [ 0.258608] console [ttyS0] enabled [ 0.260020] ACPI: Core revision 20180810 [ 0.261392] APIC: Switch to symmetric I/O mode setup [ 0.269561] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.272232] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 0.275525] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=2199998) [ 0.276502] pid_max: default: 32768 minimum: 301 [ 0.277531] Security Framework initialized [ 0.278505] SELinux: Initializing. [ 0.282575] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.284570] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.285532] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.286521] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.287980] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.288503] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.289505] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.290505] Spectre V2 : Mitigation: Full generic retpoline [ 0.291505] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.292504] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.293514] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.294502] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.295504] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.296548] TAA: Mitigation: Clear CPU buffers [ 0.297501] MDS: Mitigation: Clear CPU buffers [ 0.307450] Freeing SMP alternatives memory: 40K [ 0.411031] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 0.411631] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 0.412601] rcu: Hierarchical SRCU implementation. [ 0.413634] smp: Bringing up secondary CPUs ... [ 0.414591] x86: Booting SMP configuration: [ 0.415501] .... node #0, CPUs: #1 [ 0.149213] kvm-clock: cpu 1, msr 1f14a2041, secondary cpu clock [ 0.418185] kvm-stealtime: cpu 1, msr 237b15200 [ 0.421601] 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. [ 0.422507] 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. [ 0.423510] smp: Brought up 1 node, 2 CPUs [ 0.424504] smpboot: Max logical packages: 1 [ 0.425502] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 0.426898] devtmpfs: initialized [ 0.427600] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.428510] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.428573] kworker/u4:0 (22) used greatest stack depth: 13936 bytes left [ 0.429676] RTC time: 5:21:27, date: 05/14/23 [ 0.433517] NET: Registered protocol family 16 [ 0.434506] audit: initializing netlink subsys (disabled) [ 0.435528] audit: type=2000 audit(1684041687.400:1): state=initialized audit_enabled=0 res=1 [ 0.436519] cpuidle: using governor menu [ 0.437606] ACPI: bus type PCI registered [ 0.438668] PCI: Using configuration type 1 for base access [ 0.447593] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.448603] ACPI: Added _OSI(Module Device) [ 0.449546] ACPI: Added _OSI(Processor Device) [ 0.450502] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.451504] ACPI: Added _OSI(Processor Aggregator Device) [ 0.453925] ACPI: Added _OSI(Linux-Dell-Video) [ 0.454511] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.457123] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.458975] ACPI: Interpreter enabled [ 0.459515] ACPI: (supports S0 S3 S4 S5) [ 0.460503] ACPI: Using IOAPIC for interrupt routing [ 0.461541] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.462740] ACPI: Enabled 16 GPEs in block 00 to 0F [ 0.467295] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.467506] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 0.468506] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.469508] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.470671] PCI host bridge to bus 0000:00 [ 0.471504] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.472502] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.473505] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.474506] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 0.475503] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.516566] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 0.629879] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 0.631598] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 0.633603] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 0.636514] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 0.638544] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 0.639922] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 0.640499] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.640517] pci 0000:00:05.0: vgaarb: bridge control possible [ 0.641507] vgaarb: loaded [ 0.642588] SCSI subsystem initialized [ 0.643589] ACPI: bus type USB registered [ 0.644549] usbcore: registered new interface driver usbfs [ 0.645522] usbcore: registered new interface driver hub [ 0.646527] usbcore: registered new device driver usb [ 0.647538] pps_core: LinuxPPS API ver. 1 registered [ 0.648502] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.649520] PTP clock support registered [ 0.650604] EDAC MC: Ver: 3.0.0 [ 0.651792] Advanced Linux Sound Architecture Driver Initialized. [ 0.652550] PCI: Using ACPI for IRQ routing [ 0.653840] NetLabel: Initializing [ 0.654504] NetLabel: domain hash size = 128 [ 0.655503] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.656525] NetLabel: unlabeled traffic allowed by default [ 0.657652] clocksource: Switched to clocksource kvm-clock [ 0.667710] VFS: Disk quotas dquot_6.6.0 [ 0.668983] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.671197] pnp: PnP ACPI init [ 0.673095] pnp: PnP ACPI: found 7 devices [ 0.680204] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.682318] NET: Registered protocol family 2 [ 0.683893] IP idents hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.687220] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes) [ 0.690219] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 0.692404] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 0.694643] TCP: Hash tables configured (established 65536 bind 65536) [ 0.696788] UDP hash table entries: 4096 (order: 5, 131072 bytes) [ 0.698713] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes) [ 0.700028] NET: Registered protocol family 1 [ 0.701329] RPC: Registered named UNIX socket transport module. [ 0.702744] RPC: Registered udp transport module. [ 0.703943] RPC: Registered tcp transport module. [ 0.705117] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.706983] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.708975] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.710863] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 0.712511] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 0.714139] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 0.716425] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 0.718590] RAPL PMU: hw unit of domain package 2^-0 Joules [ 0.719670] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 0.721583] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 0.725264] Scanning for low memory corruption every 60 seconds [ 0.727393] Initialise system trusted keyrings [ 0.728628] workingset: timestamp_bits=56 max_order=21 bucket_order=0 [ 0.732683] NFS: Registering the id_resolver key type [ 0.734597] Key type id_resolver registered [ 0.736254] Key type id_legacy registered [ 0.739241] Key type asymmetric registered [ 0.740592] Asymmetric key parser 'x509' registered [ 0.742024] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 0.744224] io scheduler noop registered [ 0.745557] io scheduler deadline registered [ 0.747046] io scheduler cfq registered (default) [ 0.748883] io scheduler mq-deadline registered [ 0.750334] io scheduler kyber registered [ 0.751763] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 0.754245] ACPI: Power Button [PWRF] [ 0.755531] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 0.757718] ACPI: Sleep Button [SLPF] [ 0.762002] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 0.763642] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 0.772308] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 0.774418] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 0.785760] PCI Interrupt Link [LNKB] enabled at IRQ 10 [ 0.787054] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 0.795193] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 0.819738] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.844315] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 0.868513] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 0.892573] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 0.917189] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 0.919698] Non-volatile memory driver v1.3 [ 0.920857] Linux agpgart interface v0.103 [ 0.924026] loop: module loaded [ 0.975716] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 0.977561] e100: Copyright(c) 1999-2006 Intel Corporation [ 0.979255] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 0.981228] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 0.982899] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 0.984762] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 0.986334] sky2: driver version 1.30 [ 0.987526] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.989105] ehci-pci: EHCI PCI platform driver [ 0.990288] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.991891] ohci-pci: OHCI PCI platform driver [ 0.993102] uhci_hcd: USB Universal Host Controller Interface driver [ 0.994767] usbcore: registered new interface driver usblp [ 0.996297] usbcore: registered new interface driver usb-storage [ 0.998244] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 1.000730] i8042: Warning: Keylock active [ 1.003691] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 1.005222] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 1.007050] rtc_cmos 00:00: RTC can wake from S4 [ 1.009420] rtc_cmos 00:00: registered as rtc0 [ 1.010710] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 1.012391] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com [ 1.015061] hidraw: raw HID events driver (C) Jiri Kosina [ 1.017339] usbcore: registered new interface driver usbhid [ 1.018981] usbhid: USB HID core driver [ 1.020681] Initializing XFRM netlink socket [ 1.022038] NET: Registered protocol family 10 [ 1.023401] Segment Routing with IPv6 [ 1.024922] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 1.026635] NET: Registered protocol family 17 [ 1.027830] Key type dns_resolver registered [ 1.029228] mce: Using 32 MCE banks [ 1.030206] sched_clock: Marking stable (881958462, 148213185)->(1225932702, -195761055) [ 1.033003] registered taskstats version 1 [ 1.034200] Loading compiled-in X.509 certificates [ 1.035848] Magic number: 7:396:365 [ 1.036937] console [netcon0] enabled [ 1.037862] netconsole: network logging started [ 1.039017] ALSA device list: [ 1.039767] No soundcards found. [ 1.216117] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 1.632436] random: fast init done [ 1.634635] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 1.637211] md: Waiting for all devices to be available before autodetect [ 1.638470] md: If you don't use raid, use raid=noautodetect [ 1.639673] md: Autodetecting RAID arrays. [ 1.640383] md: autorun ... [ 1.640911] md: ... autorun DONE. [ 1.641569] VFS: Cannot open root device "sda1" or unknown-block(0,0): error -6 [ 1.642889] Please append a correct "root=" boot option; here are the available partitions: [ 1.644328] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 1.645492] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.19.204 #1 [ 1.646588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 1.647975] Call Trace: [ 1.648698] dump_stack+0x69/0x84 [ 1.649204] panic+0xe2/0x236 [ 1.649776] mount_block_root+0x189/0x226 [ 1.650335] mount_root+0x10a/0x127 [ 1.651043] prepare_namespace+0x13a/0x172 [ 1.652005] kernel_init_freeable+0x1f7/0x20c [ 1.652981] ? rest_init+0xa0/0xa0 [ 1.653787] kernel_init+0x9/0xfc [ 1.654316] ret_from_fork+0x35/0x40 [ 1.655091] Kernel Offset: 0xb000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 1.656928] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]--- syzkaller build log: go env (err=) GO111MODULE="auto" GOARCH="amd64" GOBIN="" GOCACHE="/syzkaller/.cache/go-build" GOENV="/syzkaller/.config/go/env" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOINSECURE="" GOMODCACHE="/syzkaller/jobs-2/linux/gopath/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/syzkaller/jobs-2/linux/gopath" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64" GOVCS="" GOVERSION="go1.20.1" GCCGO="gccgo" GOAMD64="v1" AR="ar" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="" GOWORK="" CGO_CFLAGS="-O2 -g" CGO_CPPFLAGS="" CGO_CXXFLAGS="-O2 -g" CGO_FFLAGS="-O2 -g" CGO_LDFLAGS="-O2 -g" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build685771113=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at 2ffa6679c nothing to commit, working tree clean GOOS=linux GOARCH=amd64 go install ./syz-fuzzer make fuzzer execprog stress executor make[1]: Entering directory '/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller' make[1]: warning: -j62 forced in makefile: resetting jobserver mode. GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=2ffa6679c4790a83f26a1b674ed34800e028fe2e -X 'github.com/google/syzkaller/prog.gitRevisionDate=Fri Feb 21 19:09:56 2020 +0100'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=2ffa6679c4790a83f26a1b674ed34800e028fe2e -X 'github.com/google/syzkaller/prog.gitRevisionDate=Fri Feb 21 19:09:56 2020 +0100'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=2ffa6679c4790a83f26a1b674ed34800e028fe2e -X 'github.com/google/syzkaller/prog.gitRevisionDate=Fri Feb 21 19:09:56 2020 +0100'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_386 x86_64-linux-gnu-gcc -o ./bin/linux_386/syz-executor executor/executor.cc \ -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m32 -static -fpermissive -w -DGOOS_linux=1 -DGOARCH_386=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"2ffa6679c4790a83f26a1b674ed34800e028fe2e\" make[1]: Leaving directory '/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller'