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@10.128.0.127" "pwd"]: exit status 255 ssh: connect to host 10.128.0.127 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 99cf6481-913a-f8b3-88a8-0e052a788a13 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 0x000f2870: 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 6.8.0-rc2-next-20240130-syzkaller (syzkaller@syzkaller) (gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #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] 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: legacy 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] APIC: Static calls initialized [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000005][ T0] kvm-clock: using sched offset of 4214938501 cycles [ 0.001119][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004671][ T0] tsc: Detected 2200.208 MHz processor [ 0.011402][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.012412][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.014452][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.015835][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.023566][ T0] found SMP MP-table at [mem 0x000f2b30-0x000f2b3f] [ 0.024865][ T0] Using GB pages for direct mapping [ 0.029895][ T0] ACPI: Early table checksum verification disabled [ 0.031291][ T0] ACPI: RSDP 0x00000000000F28B0 000014 (v00 Google) [ 0.032348][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.035853][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.037406][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.038752][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.039749][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.040791][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.042424][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.044062][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.045884][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.047942][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.049110][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.050733][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.052106][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.053945][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.055658][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.057277][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.058513][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.060777][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.061807][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.064583][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.065852][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.067391][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.068452][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.070316][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.072534][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.074338][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.076326][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.078044][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.117364][ T0] Zone ranges: [ 0.118101][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.119415][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.120342][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.121477][ T0] Device empty [ 0.121993][ T0] Movable zone start for each node [ 0.123240][ T0] Early memory nserialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-0 port 1 (session ID: 68ee8fa60424457f03b6828f1830349936af9c340b5c6c4ceffa58bbbeeb98a9, active connections: 1). ode ranges [ 0.123987][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.124932][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.125919][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.126867][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.127958][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.129962][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.131326][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.132554][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.203857][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.589776][ T0] kasan: KernelAddressSanitizer initialized [ 0.591436][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.592412][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.593783][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.595269][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.596434][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.597596][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.598669][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.599672][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.600638][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.601506][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.602800][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.603892][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.605181][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.606634][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.607906][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.609202][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.610617][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.612286][ T0] Booting paravirtualized kernel on KVM [ 0.613139][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.869177][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.871260][ T0] percpu: Embedded 72 pages/cpu s256200 r8192 d30520 u1048576 [ 0.872611][ T0] kvm-guest: PV spinlocks enabled [ 0.873899][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.875191][ 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 rcupdate.rcu_cpu_stall_cputime=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 coredump_filter=0xffff 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 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=8 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.894069][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.896783][ T0] random: crng init done [ 0.897706][ T0] Fallback order for Node 0: 0 1 [ 0.897723][ T0] Fallback order for Node 1: 1 0 [ 0.897737][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.900284][ T0] Policy zone: Normal [ 0.901555][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.902679][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.903794][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.910018][ T0] software IO TLB: area num 2. [ 2.121475][ T0] Memory: 6760000K/8388204K available (163840K kernel code, 38691K rwdata, 36340K rodata, 25548K init, 33792K bss, 1627948K reserved, 0K cma-reserved) [ 2.126510][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 2.254262][ T0] allocated 167772160 bytes of page_ext [ 2.255213][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.274837][ T0] Node 0, zone DMA32: page owner found early allocated 20599 pages [ 2.289980][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 2.304469][ T0] Node 1, zone Normal: page owner found early allocated 20484 pages [ 2.306579][ T0] Kernel/User page tables isolation: enabled [ 2.309256][ T0] Dynamic Preempt: full [ 2.311388][ T0] ------------[ cut here ]------------ [ 2.312283][ T0] WARNING: CPU: 0 PID: 0 at include/linux/cpumask.h:143 wq_update_node_max_active+0x636/0x780 [ 2.313993][ T0] Modules linked in: [ 2.314927][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-rc2-next-20240130-syzkaller #0 [ 2.316465][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 2.318631][ T0] RIP: 0010:wq_update_node_max_active+0x636/0x780 [ 2.319625][ T0] Code: f7 63 09 31 ff 89 c3 89 c6 e8 b6 65 34 00 85 db 0f 85 0d fb ff ff e8 c9 6a 34 00 90 0f 0b 90 e9 ff fa ff ff e8 bb 6a 34 00 90 <0f> 0b 90 e9 1c fb ff ff 48 89 df e8 3a e4 8e 00 e9 48 fd ff ff 48 [ 2.322881][ T0] RSP: 0000:ffffffff8d407c08 EFLAGS: 00010093 [ 2.323810][ T0] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffffffff8157f961 [ 2.325382][ T0] RDX: ffffffff8d495a40 RSI: ffffffff8157fe45 RDI: 0000000000000005 [ 2.326808][ T0] RBP: ffff888014c91da0 R08: 0000000000000005 R09: 0000000000000007 [ 2.327987][ T0] R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888014c99000 [ 2.329141][ T0] R13: 0000000000000200 R14: ffff888014c91db0 R15: 0000000000000002 [ 2.330497][ T0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 2.333041][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.334974][ T0] CR2: ffff88823ffff000 CR3: 000000000d57a000 CR4: 00000000000000b0 [ 2.336853][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.338375][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.340004][ T0] Call Trace: [ 2.340685][ T0] [ 2.341213][ T0] ? show_regs+0x8e/0xa0 [ 2.342155][ T0] ? __warn+0xe5/0x390 [ 2.343107][ T0] ? wq_update_node_max_active+0x636/0x780 [ 2.344251][ T0] ? report_bug+0x3c0/0x580 [ 2.344943][ T0] ? handle_bug+0x3d/0x70 [ 2.345668][ T0] ? exc_invalid_op+0x17/0x50 [ 2.346779][ T0] ? asm_exc_invalid_op+0x1a/0x20 [ 2.347778][ T0] ? wq_update_node_max_active+0x151/0x780 [ 2.348928][ T0] ? wq_update_node_max_active+0x635/0x780 [ 2.349844][ T0] ? wq_update_node_max_active+0x636/0x780 [ 2.350770][ T0] ? wq_update_node_max_active+0x635/0x780 [ 2.351735][ T0] ? link_pwq+0x18b/0x290 [ 2.352465][ T0] apply_wqattrs_commit+0x430/0x590 [ 2.353361][ T0] apply_workqueue_attrs_locked+0xf3/0x160 [ 2.354206][ T0] alloc_workqueue+0x1256/0x1a90 [ 2.355145][ T0] ? __pfx_alloc_workqueue+0x10/0x10 [ 2.355912][ T0] workqueue_init_early+0xcb4/0x1080 [ 2.357000][ T0] ? __pfx_workqueue_init_early+0x10/0x10 [ 2.357884][ T0] ? __cpuhp_setup_state+0x180/0x300 [ 2.359267][ T0] start_kernel+0x199/0x480 [ 2.360761][ T0] x86_64_start_reservations+0x18/0x30 [ 2.361548][ T0] x86_64_start_kernel+0xb2/0xc0 [ 2.362476][ T0] secondary_startup_64_no_verify+0x170/0x17b [ 2.363323][ T0] [ 2.363830][ T0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 2.365299][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-rc2-next-20240130-syzkaller #0 [ 2.366898][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 2.368269][ T0] Call Trace: [ 2.368710][ T0] [ 2.369131][ T0] dump_stack_lvl+0xd9/0x1b0 [ 2.369989][ T0] panic+0x6ee/0x7a0 [ 2.370606][ T0] ? __pfx_panic+0x10/0x10 [ 2.371326][ T0] ? show_trace_log_lvl+0x363/0x500 [ 2.372180][ T0] ? check_panic_on_warn+0x1f/0xb0 [ 2.373457][ T0] ? wq_update_node_max_active+0x636/0x780 [ 2.374592][ T0] check_panic_on_warn+0xab/0xb0 [ 2.375567][ T0] __warn+0xf1/0x390 [ 2.376267][ T0] ? wq_update_node_max_active+0x636/0x780 [ 2.377183][ T0] report_bug+0x3c0/0x580 [ 2.377765][ T0] handle_bug+0x3d/0x70 [ 2.378346][ T0] exc_invalid_op+0x17/0x50 [ 2.378941][ T0] asm_exc_invalid_op+0x1a/0x20 [ 2.379720][ T0] RIP: 0010:wq_update_node_max_active+0x636/0x780 [ 2.380557][ T0] Code: f7 63 09 31 ff 89 c3 89 c6 e8 b6 65 34 00 85 db 0f 85 0d fb ff ff e8 c9 6a 34 00 90 0f 0b 90 e9 ff fa ff ff e8 bb 6a 34 00 90 <0f> 0b 90 e9 1c fb ff ff 48 89 df e8 3a e4 8e 00 e9 48 fd ff ff 48 [ 2.383332][ T0] RSP: 0000:ffffffff8d407c08 EFLAGS: 00010093 [ 2.384157][ T0] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffffffff8157f961 [ 2.385511][ T0] RDX: ffffffff8d495a40 RSI: ffffffff8157fe45 RDI: 0000000000000005 [ 2.386613][ T0] RBP: ffff888014c91da0 R08: 0000000000000005 R09: 0000000000000007 [ 2.388274][ T0] R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888014c99000 [ 2.389752][ T0] R13: 0000000000000200 R14: ffff888014c91db0 R15: 0000000000000002 [ 2.392790][ T0] ? wq_update_node_max_active+0x151/0x780 [ 2.394731][ T0] ? wq_update_node_max_active+0x635/0x780 [ 2.396599][ T0] ? wq_update_node_max_active+0x635/0x780 [ 2.397883][ T0] ? link_pwq+0x18b/0x290 [ 2.398649][ T0] apply_wqattrs_commit+0x430/0x590 [ 2.399601][ T0] apply_workqueue_attrs_locked+0xf3/0x160 [ 2.400820][ T0] alloc_workqueue+0x1256/0x1a90 [ 2.401911][ T0] ? __pfx_alloc_workqueue+0x10/0x10 [ 2.402781][ T0] workqueue_init_early+0xcb4/0x1080 [ 2.403495][ T0] ? __pfx_workqueue_init_early+0x10/0x10 [ 2.404526][ T0] ? __cpuhp_setup_state+0x180/0x300 [ 2.405246][ T0] start_kernel+0x199/0x480 [ 2.406116][ T0] x86_64_start_reservations+0x18/0x30 [ 2.407012][ T0] x86_64_start_kernel+0xb2/0xc0 [ 2.407718][ T0] secondary_startup_64_no_verify+0x170/0x17b [ 2.408851][ T0] [ 2.409433][ T0] Rebooting in 86400 seconds..