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 08/06/2024 Call Trace: dump_stack+0x69/0x84 panic+0xe2/0x236 kernel/panic.c:294 mount_block_root+0x189/0x226 init/do_mounts.c:466 mount_root+0x10a/0x127 init/do_mounts.c:403 prepare_namespace+0x13a/0x172 init/do_mounts.c:484 kernel_init_freeable+0x1f7/0x20c init/main.c:1558 kernel_init+0x9/0xfc init/main.c:1459 ret_from_fork+0x35/0x40 arch/x86/kernel/process.c:146 Kernel Offset: 0x2c200000 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" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.82" "pwd"]: exit status 255 ssh: connect to host 10.128.1.82 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. 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 ee6e2ee3-62a1-1e1b-9da6-871c6e7e270f 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 0x000f2790: 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 08/06/2024 [ 0.000000] Hypervisor detected: KVM [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr ab0a2001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 985792749 cycles [ 0.000002] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000004] tsc: Detected 2200.158 MHz processor [ 0.001127] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.001191] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.001199] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.005909] found SMP MP-table at [mem 0x000f2a50-0x000f2a5f] [ 0.005957] Scanning 1 areas for low memory corruption [ 0.005984] Using GB pages for direct mapping [ 0.006570] ACPI: Early table checksum verification disabled [ 0.006619] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 0.006623] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.006629] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.006635] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.006639] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.006642] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.006645] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.006648] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.006652] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.006655] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.006658] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.006660] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.006661] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.006662] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.006662] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.006663] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.006664] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.006665] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.006705] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.006707] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.006711] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.006713] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.006716] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.006720] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.006723] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.006728] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff] [ 0.007160] Zone ranges: [ 0.007161] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.007162] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.007164] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.007165] Movable zone start for each node [ 0.007166] Early memory node ranges [ 0.007167] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.007168] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.007169] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.007992] Zeroed struct page in unavailable ranges: 101 pages [ 0.007993] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.078885] ACPI: PM-Timer IO Port: 0xb008 [ 0.078905] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.078977] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.078981] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.078983] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.078984] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.078985] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.078991] Using ACPI (MADT) for SMP configuration information [ 0.078994] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.079022] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.079025] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.079026] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.079028] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.079031] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.079033] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.079035] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.079038] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.079040] Booting paravirtualized kernel on KVM [ 0.079044] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.079056] random: get_random_bytes called from start_kernel+0x83/0x4a0 with crng_init=0 [ 0.079064] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_serialport: Connected to syzkaller.us-central1-c.ci-upstream-kmsan-gce-root-test-job-parallel-1 port 1 (session ID: 775aeb5eb230f913c1ffaa1d3c5518d5675aaece40e4c23939a06b3718db37b6, active connections: 1). ids:1 [ 0.079619] percpu: Embedded 42 pages/cpu s134552 r8192 d29288 u1048576 [ 0.079643] kvm-stealtime: cpu 0, msr 237a15200 [ 0.079647] Built 1 zonelists, mobility grouping on. Total pages: 2064262 [ 0.079648] Policy zone: Normal [ 0.079649] Kernel command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.112108] Memory: 8166012K/8388204K available (14348K kernel code, 1199K rwdata, 2948K rodata, 1264K init, 1500K bss, 222192K reserved, 0K cma-reserved) [ 0.112600] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.112607] Kernel/User page tables isolation: enabled [ 0.113141] rcu: Hierarchical RCU implementation. [ 0.113142] rcu: RCU event tracing is enabled. [ 0.113144] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.113145] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.113278] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.114094] Console: colour VGA+ 80x25 [ 0.207193] console [ttyS0] enabled [ 0.207698] ACPI: Core revision 20180810 [ 0.208350] APIC: Switch to symmetric I/O mode setup [ 0.213556] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.214797] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6c80a799, max_idle_ns: 440795272342 ns [ 0.216243] Calibrating delay loop (skipped) preset value.. 4400.31 BogoMIPS (lpj=2200158) [ 0.217228] pid_max: default: 32768 minimum: 301 [ 0.217894] Security Framework initialized [ 0.218228] SELinux: Initializing. [ 0.221298] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.223893] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.224251] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.225246] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.227311] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.228061] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.228230] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.229228] Spectre V2 : Mitigation: Full generic retpoline [ 0.230226] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.231226] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.232241] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.233228] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.234229] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.235273] TAA: Mitigation: Clear CPU buffers [ 0.236227] MDS: Mitigation: Clear CPU buffers [ 0.237511] Freeing SMP alternatives memory: 40K [ 0.341387] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 0.342342] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 0.343304] rcu: Hierarchical SRCU implementation. [ 0.344161] smp: Bringing up secondary CPUs ... [ 0.344313] x86: Booting SMP configuration: [ 0.345227] .... node #0, CPUs: #1 [ 0.101781] kvm-clock: cpu 1, msr ab0a2041, secondary cpu clock [ 0.346631] kvm-stealtime: cpu 1, msr 237b15200 [ 0.348334] 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. [ 0.349230] 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. [ 0.350234] smp: Brought up 1 node, 2 CPUs [ 0.350810] smpboot: Max logical packages: 1 [ 0.351228] smpboot: Total of 2 processors activated (8800.63 BogoMIPS) [ 0.352460] devtmpfs: initialized [ 0.353294] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.353284] kworker/u4:0 (22) used greatest stack depth: 14336 bytes left [ 0.354234] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.357373] RTC time: 9:02:57, date: 09/13/24 [ 0.359244] NET: Registered protocol family 16 [ 0.359931] audit: initializing netlink subsys (disabled) [ 0.361244] audit: type=2000 audit(1726218177.184:1): state=initialized audit_enabled=0 res=1 [ 0.361614] kworker/u4:1 (28) used greatest stack depth: 13936 bytes left [ 0.363236] cpuidle: using governor menu [ 0.363337] ACPI: bus type PCI registered [ 0.364372] PCI: Using configuration type 1 for base access [ 0.373228] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.374282] ACPI: Added _OSI(Module Device) [ 0.375233] ACPI: Added _OSI(Processor Device) [ 0.376233] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.377003] ACPI: Added _OSI(Processor Aggregator Device) [ 0.377233] ACPI: Added _OSI(Linux-Dell-Video) [ 0.377886] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.379869] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.381674] ACPI: Interpreter enabled [ 0.382248] ACPI: (supports S0 S3 S4 S5) [ 0.383229] ACPI: Using IOAPIC for interrupt routing [ 0.384235] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.385415] ACPI: Enabled 16 GPEs in block 00 to 0F [ 0.390247] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.391232] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 0.392256] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.393238] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.394358] PCI host bridge to bus 0000:00 [ 0.395229] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.396163] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.397229] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.398228] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 0.399229] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.434280] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 0.547277] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 0.549289] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 0.551285] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 0.553288] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 0.555248] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 0.556431] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 0.557203] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.558231] pci 0000:00:05.0: vgaarb: bridge control possible [ 0.559227] vgaarb: loaded [ 0.560232] SCSI subsystem initialized [ 0.560305] ACPI: bus type USB registered [ 0.561274] usbcore: registered new interface driver usbfs [ 0.562273] usbcore: registered new interface driver hub [ 0.562273] usbcore: registered new device driver usb [ 0.563253] pps_core: LinuxPPS API ver. 1 registered [ 0.564228] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.565235] PTP clock support registered [ 0.566249] EDAC MC: Ver: 3.0.0 [ 0.567225] Advanced Linux Sound Architecture Driver Initialized. [ 0.567303] PCI: Using ACPI for IRQ routing [ 0.569227] NetLabel: Initializing [ 0.569228] NetLabel: domain hash size = 128 [ 0.569834] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.570252] NetLabel: unlabeled traffic allowed by default [ 0.571325] clocksource: Switched to clocksource kvm-clock [ 0.580325] VFS: Disk quotas dquot_6.6.0 [ 0.581125] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.582192] pnp: PnP ACPI init [ 0.583276] pnp: PnP ACPI: found 7 devices [ 0.590974] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.592383] NET: Registered protocol family 2 [ 0.593291] IP idents hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.595192] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes) [ 0.596433] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 0.597549] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 0.598661] TCP: Hash tables configured (established 65536 bind 65536) [ 0.599636] UDP hash table entries: 4096 (order: 5, 131072 bytes) [ 0.600500] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes) [ 0.601494] NET: Registered protocol family 1 [ 0.602346] RPC: Registered named UNIX socket transport module. [ 0.603270] RPC: Registered udp transport module. [ 0.603959] RPC: Registered tcp transport module. [ 0.604648] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.605680] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.606569] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.607780] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 0.608649] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 0.609637] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 0.611144] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 0.611974] RAPL PMU: hw unit of domain package 2^-0 Joules [ 0.612737] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 0.613501] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6c80a799, max_idle_ns: 440795272342 ns [ 0.615219] Scanning for low memory corruption every 60 seconds [ 0.616680] Initialise system trusted keyrings [ 0.617443] workingset: timestamp_bits=56 max_order=21 bucket_order=0 [ 0.620806] NFS: Registering the id_resolver key type [ 0.621695] Key type id_resolver registered [ 0.622358] Key type id_legacy registered [ 0.625266] Key type asymmetric registered [ 0.625855] Asymmetric key parser 'x509' registered [ 0.626648] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 0.627648] io scheduler noop registered [ 0.628206] io scheduler deadline registered [ 0.628835] io scheduler cfq registered (default) [ 0.629506] io scheduler mq-deadline registered [ 0.630141] io scheduler kyber registered [ 0.630926] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 0.631962] ACPI: Power Button [PWRF] [ 0.632576] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 0.633600] ACPI: Sleep Button [SLPF] [ 0.636091] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 0.636921] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 0.642090] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 0.642888] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 0.649581] PCI Interrupt Link [LNKB] enabled at IRQ 10 [ 0.650373] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 0.654995] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 0.670716] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.693031] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 0.715987] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 0.739118] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 0.762116] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 0.764122] Non-volatile memory driver v1.3 [ 0.764885] Linux agpgart interface v0.103 [ 0.767721] loop: module loaded [ 0.807436] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 0.808493] e100: Copyright(c) 1999-2006 Intel Corporation [ 0.809449] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 0.810633] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 0.811513] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 0.812734] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 0.813744] sky2: driver version 1.30 [ 0.814550] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.815443] ehci-pci: EHCI PCI platform driver [ 0.816075] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.817012] ohci-pci: OHCI PCI platform driver [ 0.817610] uhci_hcd: USB Universal Host Controller Interface driver [ 0.818556] usbcore: registered new interface driver usblp [ 0.819172] usbcore: registered new interface driver usb-storage [ 0.820220] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 0.821924] i8042: Warning: Keylock active [ 0.824090] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 0.825039] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 0.826219] rtc_cmos 00:00: RTC can wake from S4 [ 0.827575] rtc_cmos 00:00: registered as rtc0 [ 0.828412] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 0.829685] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com [ 0.831360] hidraw: raw HID events driver (C) Jiri Kosina [ 0.832320] usbcore: registered new interface driver usbhid [ 0.833381] usbhid: USB HID core driver [ 0.834620] Initializing XFRM netlink socket [ 0.835375] NET: Registered protocol family 10 [ 0.836515] Segment Routing with IPv6 [ 0.837254] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 0.838155] NET: Registered protocol family 17 [ 0.838961] Key type dns_resolver registered [ 0.840070] mce: Using 32 MCE banks [ 0.840614] sched_clock: Marking stable (739805965, 100781643)->(860712230, -20124622) [ 0.841974] registered taskstats version 1 [ 0.842560] Loading compiled-in X.509 certificates [ 0.843835] Magic number: 8:908:19 [ 0.844533] console [netcon0] enabled [ 0.845127] netconsole: network logging started [ 0.846185] ALSA device list: [ 0.847369] No soundcards found. [ 1.030526] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 1.446640] random: fast init done [ 1.447709] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 1.449201] md: Waiting for all devices to be available before autodetect [ 1.450219] md: If you don't use raid, use raid=noautodetect [ 1.451193] md: Autodetecting RAID arrays. [ 1.451815] md: autorun ... [ 1.452213] md: ... autorun DONE. [ 1.452772] VFS: Cannot open root device "sda1" or unknown-block(0,0): error -6 [ 1.453832] Please append a correct "root=" boot option; here are the available partitions: [ 1.455077] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 1.456263] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.19.204 #1 [ 1.457133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 1.458370] Call Trace: [ 1.458728] dump_stack+0x69/0x84 [ 1.459192] panic+0xe2/0x236 [ 1.459616] mount_block_root+0x189/0x226 [ 1.460186] mount_root+0x10a/0x127 [ 1.460709] prepare_namespace+0x13a/0x172 [ 1.461273] kernel_init_freeable+0x1f7/0x20c [ 1.461869] ? rest_init+0xa0/0xa0 [ 1.462352] kernel_init+0x9/0xfc [ 1.462832] ret_from_fork+0x35/0x40 [ 1.463467] Kernel Offset: 0x2c200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 1.465034] ---[ 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='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.22.7' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' 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 -ffile-prefix-map=/tmp/go-build3057085696=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at 9d47f20a1c nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen go fmt ./sys/... >/dev/null touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=9d47f20a1c5cfc0e89b8e37d0175d69be81ad9a9 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240903-155700'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"9d47f20a1c5cfc0e89b8e37d0175d69be81ad9a9\" /usr/bin/ld: /tmp/ccOaDBGX.o: in function `test_cover_filter()': executor.cc:(.text+0x1412b): warning: the use of `tempnam' is dangerous, better use `mkstemp' /usr/bin/ld: /tmp/ccOaDBGX.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking