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@10.128.0.226" "pwd"]: exit status 255 ssh: connect to host 10.128.0.226 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 3b5a12a2-e022-6037-ba51-04b0b1145587 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 0x000f27a0: 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) (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] [Firmware Bug]: TSC doesn't count with P0 frequency! [ 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 [ 0.000005][ T0] kvm-clock: using sched offset of 3613320152 cycles [ 0.000785][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003247][ T0] tsc: Detected 2449.998 MHz processor [ 0.009168][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010303][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.011664][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.012880][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.015564][ serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-badwrites-root-test-0 port 1 (session ID: 208cede97f94c337a6509a17cf58f3f8ed988afe0655b96e0f46f7ba89da5ae4, active connections: 1). T0] found SMP MP-table at [mem 0x000f2a60-0x000f2a6f] [ 0.016447][ T0] Using GB pages for direct mapping [ 0.021111][ T0] ACPI: Early table checksum verification disabled [ 0.022270][ T0] ACPI: RSDP 0x00000000000F27E0 000014 (v00 Google) [ 0.023257][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.024604][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.025947][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.027247][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.028072][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.028864][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.030300][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.031602][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.032877][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.034285][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.035334][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.036414][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.037886][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.038910][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.040051][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.041137][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.042213][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.043884][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.044861][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.045852][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.046780][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.048630][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.050283][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.051525][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.053177][ T0] NODE_DATA(0) allocated [mem 0x13fffb540-0x140000fff] [ 0.054839][ T0] NODE_DATA(1) allocated [mem 0x23fff7540-0x23fffcfff] [ 0.075380][ T0] Zone ranges: [ 0.075878][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.076996][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.078319][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.079378][ T0] Device empty [ 0.079854][ T0] Movable zone start for each node [ 0.080519][ T0] Early memory node ranges [ 0.081082][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.082225][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.083161][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.084323][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.085489][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.086815][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.088102][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.089493][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.149595][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.368676][ T0] kasan: KernelAddressSanitizer initialized [ 0.370346][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.371253][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.372373][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.373624][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.374588][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.375817][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.376901][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.378069][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.379089][ T0] CPU topo: Max. logical packages: 1 [ 0.379875][ T0] CPU topo: Max. logical dies: 1 [ 0.380742][ T0] CPU topo: Max. dies per package: 1 [ 0.381724][ T0] CPU topo: Max. threads per core: 2 [ 0.382491][ T0] CPU topo: Num. cores per package: 1 [ 0.383307][ T0] CPU topo: Num. threads per package: 2 [ 0.384230][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.385211][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.386454][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.388064][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.389349][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.390957][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.392127][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.393605][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.394881][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.395833][ T0] Booting paravirtualized kernel on KVM [ 0.396665][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.449605][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.451491][ T0] percpu: Embedded 74 pages/cpu s265288 r8192 d29624 u1048576 [ 0.452736][ T0] kvm-guest: PV spinlocks enabled [ 0.453410][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.454781][ 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 [ 0.459791][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32 BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.474377][ T0] random: crng init done [ 0.475072][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.476319][ T0] Fallback order for Node 0: 0 1 [ 0.476336][ T0] Fallback order for Node 1: 1 0 [ 0.476352][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.478632][ T0] Policy zone: Normal [ 0.479651][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.480657][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.481664][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.485320][ T0] software IO TLB: area num 2. [ 1.328561][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.404447][ T0] allocated 167772160 bytes of page_ext [ 1.405430][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.422290][ T0] Node 0, zone DMA32: page owner found early allocated 21222 pages [ 1.434434][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 1.445424][ T0] Node 1, zone Normal: page owner found early allocated 19843 pages [ 1.447819][ T0] Dynamic Preempt: full [ 1.449172][ T0] Running RCU self tests [ 1.449786][ T0] Running RCU synchronous self tests [ 1.450707][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.451722][ T0] rcu: RCU lockdep checking is enabled. [ 1.452552][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.453718][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.454755][ T0] rcu: RCU debug extended QS entry/exit. [ 1.455813][ T0] All grace periods are expedited (rcu_expedited). [ 1.456741][ T0] Trampoline variant of Tasks RCU enabled. [ 1.457607][ T0] Tracing variant of Tasks RCU enabled. [ 1.458523][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.459832][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.460929][ T0] Running RCU synchronous self tests [ 1.461691][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.463085][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.574607][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.576597][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.578327][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.580649][ T0] Console: colour VGA+ 80x25 [ 1.581383][ T0] printk: legacy console [ttyS0] enabled [ 1.581383][ T0] printk: legacy console [ttyS0] enabled [ 1.583123][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.583123][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.585046][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.586226][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.586898][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.587979][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.589134][ T0] ... CLASSHASH_SIZE: 4096 [ 1.589938][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.590719][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.591556][ T0] ... CHAINHASH_SIZE: 524288 [ 1.592279][ T0] memory used by lock dependency info: 106625 kB [ 1.593172][ T0] memory used for stack traces: 8320 kB [ 1.594229][ T0] per task-struct memory footprint: 1920 bytes [ 1.595334][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.597032][ T0] ACPI: Core revision 20240827 [ 1.598569][ T0] APIC: Switch to symmetric I/O mode setup [ 1.599962][ T0] x2apic enabled [ 1.603924][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.609348][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.610874][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x2350b6af5f8, max_idle_ns: 440795252949 ns [ 1.612673][ T0] Calibrating delay loop (skipped) preset value.. 4899.99 BogoMIPS (lpj=24499980) [ 1.614251][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.615785][ T0] Last level iTLB entries: 4KB 512, 2MB 512, 4MB 256 [ 1.616817][ T0] Last level dTLB entries: 4KB 2048, 2MB 2048, 4MB 1024, 1GB 0 [ 1.618052][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.622778][ T0] Spectre V2 : Mitigation: Retpolines [ 1.623575][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.625114][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.626143][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.627591][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.628914][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.629921][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.631260][ T0] Speculative Return Stack Overflow: Mitigation: Safe RET [ 1.632787][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.634082][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.635056][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.636244][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.637361][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format. [ 1.978418][ T0] Freeing SMP alternatives memory: 124K [ 1.979333][ T0] pid_max: default: 32768 minimum: 301 [ 1.980669][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,bpf,ima,evm [ 1.983250][ T0] landlock: Up and running. [ 1.983981][ T0] Yama: becoming mindful. [ 1.985183][ T0] TOMOYO Linux initialized [ 1.987344][ T0] AppArmor: AppArmor initialized [ 1.991378][ T0] LSM support for eBPF active [ 1.998077][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.002319][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.003307][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.004968][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.012739][ T0] Running RCU synchronous self tests [ 2.013714][ T0] Running RCU synchronous self tests [ 2.136351][ T1] smpboot: CPU0: AMD EPYC 7B13 (family: 0x19, model: 0x1, stepping: 0x0) [ 2.142652][ T1] Running RCU Tasks wait API self tests [ 2.243396][ T1] Running RCU Tasks Trace wait API self tests [ 2.244665][ T1] Performance Events: PMU not available due to virtualization, using software events only. [ 2.254382][ T1] signal: max sigframe size: 1776 [ 2.256247][ T1] rcu: Hierarchical SRCU implementation. [ 2.257045][ T1] rcu: Max phase no-delay instances is 1000. [ 2.259526][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.262929][ T15] Callback from call_rcu_tasks_trace() invoked. [ 2.338685][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.342756][ T1] smp: Bringing up secondary CPUs ... [ 2.355327][ T1] smpboot: x86: Booting SMP configuration: [ 2.356280][ T1] .... node #0, CPUs: #1 [ 2.356696][ T22] ------------[ cut here ]------------ [ 2.356696][ T22] workqueue: work disable count underflowed [ 2.356696][ T22] WARNING: CPU: 1 PID: 22 at kernel/workqueue.c:4317 enable_work+0x2fa/0x340 [ 2.356745][ T22] Modules linked in: [ 2.357355][ T22] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.13.0-rc6-syzkaller #0 [ 2.358556][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 2.359911][ T22] RIP: 0010:enable_work+0x2fa/0x340 [ 2.360665][ T22] Code: 89 ee e8 b9 d5 36 00 45 84 ed 0f 85 28 fe ff ff e8 0b db 36 00 c6 05 90 c1 e4 0e 01 90 48 c7 c7 e0 d9 6b 8b e8 57 12 f7 ff 90 <0f> 0b 90 90 e9 05 fe ff ff 48 89 ef e8 e5 a5 98 00 e9 a9 fe ff ff [ 2.362652][ T22] RSP: 0018:ffffc900001c7ca0 EFLAGS: 00010082 [ 2.362652][ T22] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815a5139 [ 2.362652][ T22] RDX: ffff88801d69bc00 RSI: ffffffff815a5146 RDI: 0000000000000001 [ 2.362652][ T22] RBP: ffff8880b8738660 R08: 0000000000000001 R09: 0000000000000000 [ 2.362652][ T22] R10: 0000000000000000 R11: 0000000000000002 R12: 1ffff92000038f95 [ 2.362652][ T22] R13: 0000000000000000 R14: 00000000000000c4 R15: ffffffff81db2390 [ 2.362652][ T22] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 2.362652][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.362652][ T22] CR2: 0000000000000000 CR3: 000000000df7e000 CR4: 0000000000350ef0 [ 2.362652][ T22] Call Trace: [ 2.362652][ T22] <TASK> [ 2.362652][ T22] ? __warn+0xea/0x3c0 [ 2.362652][ T22] ? enable_work+0x2fa/0x340 [ 2.362652][ T22] ? report_bug+0x3c0/0x580 [ 2.362652][ T22] ? handle_bug+0x54/0xa0 [ 2.362652][ T22] ? exc_invalid_op+0x17/0x50 [ 2.362652][ T22] ? asm_exc_invalid_op+0x1a/0x20 [ 2.362652][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.362652][ T22] ? __warn_printk+0x199/0x350 [ 2.362652][ T22] ? __warn_printk+0x1a6/0x350 [ 2.362652][ T22] ? enable_work+0x2fa/0x340 [ 2.362652][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.362652][ T22] ? srso_alias_return_thunk+0x5/0xfbef5 [ 2.362652][ T22] ? srso_alias_return_thunk+0x5/0xfbef5 [ 2.362652][ T22] ? srso_alias_return_thunk+0x5/0xfbef5 [ 2.362652][ T22] vmstat_cpu_online+0x83/0xf0 [ 2.362652][ T22] cpuhp_invoke_callback+0x3d3/0xa10 [ 2.362652][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.362652][ T22] ? __entry_text_end+0x1020c5/0x1020c9 [ 2.362652][ T22] ? cpuhp_next_state+0x100/0x1c0 [ 2.362652][ T22] cpuhp_thread_fun+0x480/0x6f0 [ 2.362652][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.362652][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.362652][ T22] ? smpboot_thread_fn+0x59d/0xa30 [ 2.362652][ T22] smpboot_thread_fn+0x664/0xa30 [ 2.362652][ T22] ? __kthread_parkme+0x148/0x220 [ 2.362652][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.362652][ T22] kthread+0x2c4/0x3a0 [ 2.362652][ T22] ? _raw_spin_unlock_irq+0x23/0x50 [ 2.362652][ T22] ? __pfx_kthread+0x10/0x10 [ 2.362652][ T22] ret_from_fork+0x48/0x80 [ 2.362652][ T22] ? __pfx_kthread+0x10/0x10 [ 2.362652][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.362652][ T22] </TASK> [ 2.362652][ T22] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 2.362652][ T22] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.13.0-rc6-syzkaller #0 [ 2.362652][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 2.362652][ T22] Call Trace: [ 2.362652][ T22] <TASK> [ 2.362652][ T22] dump_stack_lvl+0x3d/0x1f0 [ 2.362652][ T22] panic+0x71d/0x800 [ 2.362652][ T22] ? __pfx_panic+0x10/0x10 [ 2.362652][ T22] ? show_trace_log_lvl+0x29d/0x3d0 [ 2.362652][ T22] ? check_panic_on_warn+0x1f/0xb0 [ 2.362652][ T22] ? enable_work+0x2fa/0x340 [ 2.362652][ T22] check_panic_on_warn+0xab/0xb0 [ 2.362652][ T22] __warn+0xf6/0x3c0 [ 2.362652][ T22] ? enable_work+0x2fa/0x340 [ 2.362652][ T22] report_bug+0x3c0/0x580 [ 2.362652][ T22] handle_bug+0x54/0xa0 [ 2.362652][ T22] exc_invalid_op+0x17/0x50 [ 2.362652][ T22] asm_exc_invalid_op+0x1a/0x20 [ 2.362652][ T22] RIP: 0010:enable_work+0x2fa/0x340 [ 2.362652][ T22] Code: 89 ee e8 b9 d5 36 00 45 84 ed 0f 85 28 fe ff ff e8 0b db 36 00 c6 05 90 c1 e4 0e 01 90 48 c7 c7 e0 d9 6b 8b e8 57 12 f7 ff 90 <0f> 0b 90 90 e9 05 fe ff ff 48 89 ef e8 e5 a5 98 00 e9 a9 fe ff ff [ 2.362652][ T22] RSP: 0018:ffffc900001c7ca0 EFLAGS: 00010082 [ 2.362652][ T22] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815a5139 [ 2.362652][ T22] RDX: ffff88801d69bc00 RSI: ffffffff815a5146 RDI: 0000000000000001 [ 2.362652][ T22] RBP: ffff8880b8738660 R08: 0000000000000001 R09: 0000000000000000 [ 2.362652][ T22] R10: 0000000000000000 R11: 0000000000000002 R12: 1ffff92000038f95 [ 2.362652][ T22] R13: 0000000000000000 R14: 00000000000000c4 R15: ffffffff81db2390 [ 2.362652][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.362652][ T22] ? __warn_printk+0x199/0x350 [ 2.362652][ T22] ? __warn_printk+0x1a6/0x350 [ 2.362652][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.362652][ T22] ? srso_alias_return_thunk+0x5/0xfbef5 [ 2.362652][ T22] ? srso_alias_return_thunk+0x5/0xfbef5 [ 2.362652][ T22] ? srso_alias_return_thunk+0x5/0xfbef5 [ 2.362652][ T22] vmstat_cpu_online+0x83/0xf0 [ 2.362652][ T22] cpuhp_invoke_callback+0x3d3/0xa10 [ 2.362652][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.362652][ T22] ? __entry_text_end+0x1020c5/0x1020c9 [ 2.362652][ T22] ? cpuhp_next_state+0x100/0x1c0 [ 2.362652][ T22] cpuhp_thread_fun+0x480/0x6f0 [ 2.362652][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.362652][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.362652][ T22] ? smpboot_thread_fn+0x59d/0xa30 [ 2.362652][ T22] smpboot_thread_fn+0x664/0xa30 [ 2.362652][ T22] ? __kthread_parkme+0x148/0x220 [ 2.362652][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.362652][ T22] kthread+0x2c4/0x3a0 [ 2.362652][ T22] ? _raw_spin_unlock_irq+0x23/0x50 [ 2.362652][ T22] ? __pfx_kthread+0x10/0x10 [ 2.362652][ T22] ret_from_fork+0x48/0x80 [ 2.362652][ T22] ? __pfx_kthread+0x10/0x10 [ 2.362652][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.362652][ T22] </TASK> [ 2.362652][ T22] Rebooting in 86400 seconds..