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@10.128.0.147" "pwd"]: exit status 255 ssh: connect to host 10.128.0.147 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. serialport: Connected to syzkaller.us-central1-c.ci2-upstream-fs-test-0 port 1 (session ID: b91a163a0cd70aec9306c4fccccd1b0cb1f2971184348977836231c9429a38bc, 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 11160798-469e-df1a-b42a-a6b2096b72d1 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][ T0] Linux version 6.13.0-rc6-syzkaller (syzkaller@syzkaller) (Debian clang version 15.0.6, 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 09/13/2024 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000006][ T0] kvm-clock: using sched offset of 4626133081 cycles [ 0.000983][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003795][ T0] tsc: Detected 2200.202 MHz processor [ 0.008482][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010100][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.012692][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014165][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.021506][ T0] found SMP MP-table at [mem 0x000f2a50-0x000f2a5f] [ 0.022507][ T0] Using GB pages for direct mapping [ 0.027371][ T0] ACPI: Early table checksum verification disabled [ 0.028392][ T0] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 0.029540][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.030929][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.032525][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.033885][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.034775][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.035515][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.037330][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.039174][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.040900][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.042639][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.043822][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.045035][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.046642][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.047996][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.049181][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.050575][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.051941][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.053213][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.054208][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.055273][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.056387][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.058064][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.059971][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.061183][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.063116][ T0] NODE_DATA(0) allocated [mem 0x13fffbcc0-0x140000fff] [ 0.065157][ T0] NODE_DATA(1) allocated [mem 0x23fff7cc0-0x23fffcfff] [ 0.106554][ T0] Zone ranges: [ 0.107380][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.108405][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.109319][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.110613][ T0] Device empty [ 0.111140][ T0] Movable zone start for each node [ 0.111982][ T0] Early memory node ranges [ 0.112669][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.113700][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.114649][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.115701][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.116714][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.117936][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.119245][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.120601][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.188313][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.570544][ T0] kasan: KernelAddressSanitizer initialized [ 0.571972][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.572758][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.573855][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.574991][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.576027][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.577215][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.578776][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.580102][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.581637][ T0] CPU topo: Max. logical packages: 1 [ 0.582769][ T0] CPU topo: Max. logical dies: 1 [ 0.584067][ T0] CPU topo: Max. dies per package: 1 [ 0.585081][ T0] CPU topo: Max. threads per core: 2 [ 0.586194][ T0] CPU topo: Num. cores per package: 1 [ 0.587906][ T0] CPU topo: Num. threads per package: 2 [ 0.589219][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.590895][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.592207][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.593561][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.595045][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.596506][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.598680][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.599993][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.602163][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.603280][ T0] Booting paravirtualized kernel on KVM [ 0.604505][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.702603][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.705227][ T0] percpu: Embedded 74 pages/cpu s263816 r8192 d31096 u1048576 [ 0.707239][ T0] kvm-guest: PV spinlocks enabled [ 0.708818][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.710707][ 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=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=32 max_loop=32 nbds_max=32 panic_on_warn [ 0.712741][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32 BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.728220][ T0] random: crng init done [ 0.729104][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.730879][ T0] Fallback order for Node 0: 0 1 [ 0.730925][ T0] Fallback order for Node 1: 1 0 [ 0.730939][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.733871][ T0] Policy zone: Normal [ 0.735698][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.736973][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.738413][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.744913][ T0] software IO TLB: area num 2. [ 1.820241][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.944342][ T0] allocated 167772160 bytes of page_ext [ 1.945520][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.962675][ T0] Node 0, zone DMA32: page owner found early allocated 21222 pages [ 1.976100][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 1.987586][ T0] Node 1, zone Normal: page owner found early allocated 19843 pages [ 1.990137][ T0] Kernel/User page tables isolation: enabled [ 1.992385][ T0] Dynamic Preempt: full [ 1.994185][ T0] Running RCU self tests [ 1.994778][ T0] Running RCU synchronous self tests [ 1.995495][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.996471][ T0] rcu: RCU lockdep checking is enabled. [ 1.997217][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.998262][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.999274][ T0] rcu: RCU debug extended QS entry/exit. [ 2.000056][ T0] All grace periods are expedited (rcu_expedited). [ 2.000904][ T0] Trampoline variant of Tasks RCU enabled. [ 2.001697][ T0] Tracing variant of Tasks RCU enabled. [ 2.002609][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.003839][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.005029][ T0] Running RCU synchronous self tests [ 2.005802][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 2.007039][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 2.112926][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.114988][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.116477][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 2.119056][ T0] Console: colour VGA+ 80x25 [ 2.119881][ T0] printk: legacy console [ttyS0] enabled [ 2.119881][ T0] printk: legacy console [ttyS0] enabled [ 2.121476][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.121476][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.123873][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.125766][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.126518][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.127566][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.128768][ T0] ... CLASSHASH_SIZE: 4096 [ 2.129688][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.130765][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.131583][ T0] ... CHAINHASH_SIZE: 524288 [ 2.132648][ T0] memory used by lock dependency info: 106625 kB [ 2.133882][ T0] memory used for stack traces: 8320 kB [ 2.134836][ T0] per task-struct memory footprint: 1920 bytes [ 2.136001][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.138314][ T0] ACPI: Core revision 20240827 [ 2.139922][ T0] APIC: Switch to symmetric I/O mode setup [ 2.141228][ T0] x2apic enabled [ 2.145710][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.152879][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.154382][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6f1c9125, max_idle_ns: 440795292239 ns [ 2.156284][ T0] Calibrating delay loop (skipped) preset value.. 4400.40 BogoMIPS (lpj=22002020) [ 2.158836][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.166339][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 2.167611][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.169119][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.170727][ T0] Spectre V2 : Mitigation: IBRS [ 2.171539][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 2.172958][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 2.174433][ T0] RETBleed: Mitigation: IBRS [ 2.175175][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.176277][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.177250][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.178691][ T0] MDS: Mitigation: Clear CPU buffers [ 2.179632][ T0] TAA: Mitigation: Clear CPU buffers [ 2.180503][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.182652][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.183974][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.186278][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.187281][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.188825][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.432774][ T0] Freeing SMP alternatives memory: 128K [ 2.434142][ T0] pid_max: default: 32768 minimum: 301 [ 2.436289][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,smack,bpf,ima,evm [ 2.439526][ T0] landlock: Up and running. [ 2.440506][ T0] Yama: becoming mindful. [ 2.441531][ T0] TOMOYO Linux initialized [ 2.443412][ T0] Smack: Initializing. [ 2.444093][ T0] Smack: Netfilter enabled. [ 2.444797][ T0] Smack: IPv6 Netfilter enabled. [ 2.447396][ T0] LSM support for eBPF active [ 2.453696][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.458465][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.460476][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.462480][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.468177][ T0] Running RCU synchronous self tests [ 2.469354][ T0] Running RCU synchronous self tests [ 2.591422][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.596261][ T1] Running RCU Tasks wait API self tests [ 2.696698][ T1] Running RCU Tasks Trace wait API self tests [ 2.697889][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 2.699368][ T1] signal: max sigframe size: 1776 [ 2.700749][ T1] rcu: Hierarchical SRCU implementation. [ 2.701586][ T1] rcu: Max phase no-delay instances is 1000. [ 2.703279][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.709857][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.711924][ T1] smp: Bringing up secondary CPUs ... [ 2.714918][ T1] smpboot: x86: Booting SMP configuration: [ 2.715885][ T1] .... node #0, CPUs: #1 [ 2.716553][ T22] ------------[ cut here ]------------ [ 2.717451][ T22] workqueue: work disable count underflowed [ 2.718316][ T22] WARNING: CPU: 1 PID: 22 at kernel/workqueue.c:4317 enable_work+0x34d/0x360 [ 2.719802][ T22] Modules linked in: [ 2.720482][ T22] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.13.0-rc6-syzkaller #0 [ 2.722480][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 2.724675][ T22] RIP: 0010:enable_work+0x34d/0x360 [ 2.725412][ T22] Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 18 82 37 00 c6 05 9c 99 9a 0e 01 90 48 c7 c7 00 d7 09 8c e8 44 25 f8 ff 90 <0f> 0b 90 90 e9 56 ff ff ff e8 05 e8 58 0a 0f 1f 44 00 00 90 90 90 [ 2.726261][ T22] RSP: 0000:ffffc900001c7bc0 EFLAGS: 00010046 [ 2.726261][ T22] RAX: 64a2609662308500 RBX: 0000000000000000 RCX: ffff88801d2cbc00 [ 2.726261][ T22] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.726261][ T22] RBP: ffffc900001c7c88 R08: ffffffff816019a2 R09: 1ffffffff1cfa210 [ 2.726261][ T22] R10: dffffc0000000000 R11: fffffbfff1cfa211 R12: 1ffff92000038f7c [ 2.726261][ T22] R13: 1ffff92000038f84 R14: 001fffffffc00001 R15: ffff8880b8738770 [ 2.726261][ T22] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 2.726261][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.726261][ T22] CR2: 0000000000000000 CR3: 000000000e736000 CR4: 00000000003506f0 [ 2.726261][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.726261][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.726261][ T22] Call Trace: [ 2.726261][ T22] [ 2.726261][ T22] ? __warn+0x165/0x4d0 [ 2.726261][ T22] ? enable_work+0x34d/0x360 [ 2.726261][ T22] ? report_bug+0x2b3/0x500 [ 2.726261][ T22] ? enable_work+0x34d/0x360 [ 2.726261][ T22] ? handle_bug+0x60/0x90 [ 2.726261][ T22] ? exc_invalid_op+0x1a/0x50 [ 2.726261][ T22] ? asm_exc_invalid_op+0x1a/0x20 [ 2.726261][ T22] ? __warn_printk+0x292/0x360 [ 2.726261][ T22] ? enable_work+0x34d/0x360 [ 2.726261][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.726261][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.726261][ T22] ? rcu_is_watching+0x15/0xb0 [ 2.726261][ T22] vmstat_cpu_online+0xbb/0xe0 [ 2.726261][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.726261][ T22] cpuhp_invoke_callback+0x48d/0x830 [ 2.726261][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.726261][ T22] cpuhp_thread_fun+0x41c/0x810 [ 2.726261][ T22] ? cpuhp_thread_fun+0x130/0x810 [ 2.726261][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.726261][ T22] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 2.726261][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.726261][ T22] smpboot_thread_fn+0x544/0xa30 [ 2.726261][ T22] ? smpboot_thread_fn+0x4e/0xa30 [ 2.726261][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.726261][ T22] kthread+0x2f0/0x390 [ 2.726261][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.726261][ T22] ? __pfx_kthread+0x10/0x10 [ 2.726261][ T22] ret_from_fork+0x4b/0x80 [ 2.726261][ T22] ? __pfx_kthread+0x10/0x10 [ 2.726261][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.726261][ T22] [ 2.726261][ T22] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 2.726261][ T22] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.13.0-rc6-syzkaller #0 [ 2.726261][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 2.726261][ T22] Call Trace: [ 2.726261][ T22] [ 2.726261][ T22] dump_stack_lvl+0x241/0x360 [ 2.726261][ T22] ? __pfx_dump_stack_lvl+0x10/0x10 [ 2.726261][ T22] ? __pfx__printk+0x10/0x10 [ 2.726261][ T22] ? _printk+0xd5/0x120 [ 2.726261][ T22] ? __init_begin+0x41000/0x41000 [ 2.726261][ T22] ? vscnprintf+0x5d/0x90 [ 2.726261][ T22] panic+0x349/0x880 [ 2.726261][ T22] ? __warn+0x174/0x4d0 [ 2.726261][ T22] ? __pfx_panic+0x10/0x10 [ 2.726261][ T22] ? ret_from_fork_asm+0x1a/0x30 [ 2.726261][ T22] __warn+0x344/0x4d0 [ 2.726261][ T22] ? enable_work+0x34d/0x360 [ 2.726261][ T22] report_bug+0x2b3/0x500 [ 2.726261][ T22] ? enable_work+0x34d/0x360 [ 2.726261][ T22] handle_bug+0x60/0x90 [ 2.726261][ T22] exc_invalid_op+0x1a/0x50 [ 2.726261][ T22] asm_exc_invalid_op+0x1a/0x20 [ 2.726261][ T22] RIP: 0010:enable_work+0x34d/0x360 [ 2.726261][ T22] Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 18 82 37 00 c6 05 9c 99 9a 0e 01 90 48 c7 c7 00 d7 09 8c e8 44 25 f8 ff 90 <0f> 0b 90 90 e9 56 ff ff ff e8 05 e8 58 0a 0f 1f 44 00 00 90 90 90 [ 2.726261][ T22] RSP: 0000:ffffc900001c7bc0 EFLAGS: 00010046 [ 2.726261][ T22] RAX: 64a2609662308500 RBX: 0000000000000000 RCX: ffff88801d2cbc00 [ 2.726261][ T22] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.726261][ T22] RBP: ffffc900001c7c88 R08: ffffffff816019a2 R09: 1ffffffff1cfa210 [ 2.726261][ T22] R10: dffffc0000000000 R11: fffffbfff1cfa211 R12: 1ffff92000038f7c [ 2.726261][ T22] R13: 1ffff92000038f84 R14: 001fffffffc00001 R15: ffff8880b8738770 [ 2.726261][ T22] ? __warn_printk+0x292/0x360 [ 2.726261][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.726261][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.726261][ T22] ? rcu_is_watching+0x15/0xb0 [ 2.726261][ T22] vmstat_cpu_online+0xbb/0xe0 [ 2.726261][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.726261][ T22] cpuhp_invoke_callback+0x48d/0x830 [ 2.726261][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.726261][ T22] cpuhp_thread_fun+0x41c/0x810 [ 2.726261][ T22] ? cpuhp_thread_fun+0x130/0x810 [ 2.726261][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.726261][ T22] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 2.726261][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.726261][ T22] smpboot_thread_fn+0x544/0xa30 [ 2.726261][ T22] ? smpboot_thread_fn+0x4e/0xa30 [ 2.726261][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.726261][ T22] kthread+0x2f0/0x390 [ 2.726261][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.726261][ T22] ? __pfx_kthread+0x10/0x10 [ 2.726261][ T22] ret_from_fork+0x4b/0x80 [ 2.726261][ T22] ? __pfx_kthread+0x10/0x10 [ 2.726261][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.726261][ T22] [ 2.726261][ T22] Rebooting in 86400 seconds..