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@10.128.0.187" "pwd"]: exit status 255 ssh: connect to host 10.128.0.187 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' (ECDSA) 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 bc00de23-d987-3147-e007-7aedc480c724 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 0x000f25d0: 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 syzkaller (syzkaller@syzkaller) (Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8) #0 SMP PREEMPT_RT 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] x86/CPU: Model not found in latest microcode list [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000c0000000-0x00000000fffbbfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] System RAM [ 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] Hash pointers mode set to never. [ 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] DMI: SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000005][ T0] kvm-clock: using sched offset of 9500357478 cycles [ 0.000012][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000032][ T0] tsc: Detected 2199.998 MHz processor [ 0.003669][ T0] last_pfn = 0x240000 max_arch_pserialport: Connected to syzkaller.us-central1-c.ci-upstream-rust-kasan-gce-0 port 1 (session ID: cf37f0dc7a1fb1a10a9ff4fe556ad2bfc51ecfe1f1ea051a2df59cc5ac62a596, active connections: 1). fn = 0x400000000 [ 0.003715][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.003726][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.003787][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.008762][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.008788][ T0] Using GB pages for direct mapping [ 0.012268][ T0] ACPI: Early table checksum verification disabled [ 0.012302][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.012319][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.012342][ T0] ACPI: FACP 0x00000000BFFFF370 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.012367][ T0] ACPI: DSDT 0x00000000BFFFD900 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.012386][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012400][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012415][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.012433][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.012451][ T0] ACPI: SSDT 0x00000000BFFFF470 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.012469][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.012484][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff370-0xbffff463] [ 0.012491][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd900-0xbffff363] [ 0.012498][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.012505][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.012511][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.012517][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.012524][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff470-0xbffffdef] [ 0.012530][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.012658][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.012668][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.012677][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.012688][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.012700][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.012721][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.012729][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.012823][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.013578][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.298175][ T0] KernelAddressSanitizer initialized (generic) [ 0.298988][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.299024][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.299165][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.299179][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.299188][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.299195][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.299203][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.299222][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.299233][ T0] CPU topo: Max. logical packages: 1 [ 0.299237][ T0] CPU topo: Max. logical nodes: 1 [ 0.299241][ T0] CPU topo: Num. nodes per package: 1 [ 0.299249][ T0] CPU topo: Max. logical dies: 1 [ 0.299253][ T0] CPU topo: Max. dies per package: 1 [ 0.299264][ T0] CPU topo: Max. threads per core: 2 [ 0.299269][ T0] CPU topo: Num. cores per package: 1 [ 0.299273][ T0] CPU topo: Num. threads per package: 2 [ 0.299277][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.299387][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.299396][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.299404][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.299427][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.299433][ T0] Booting paravirtualized kernel on KVM [ 0.299444][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.428403][ T0] Zone ranges: [ 0.428413][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.428425][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.428433][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.428441][ T0] Device empty [ 0.428446][ T0] Movable zone start for each node [ 0.428449][ T0] Early memory node ranges [ 0.428452][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.428460][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.428467][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.428474][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.428483][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.428503][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.428552][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.428791][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.489115][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.549469][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.550146][ T0] percpu: Embedded 72 pages/cpu s254408 r8192 d32312 u1048576 [ 0.550304][ T0] kvm-guest: PV spinlocks enabled [ 0.550313][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.550332][ 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 \ [ 0.550360][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.554623][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.554698][ T0] random: crng init done [ 0.554702][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.554907][ T0] software IO TLB: area num 2. [ 0.580839][ T0] Fallback order for Node 0: 0 1 [ 0.580858][ T0] Fallback order for Node 1: 1 0 [ 0.580872][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.580879][ T0] Policy zone: Normal [ 0.581522][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.581530][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.581540][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.585671][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.237138][ T0] ********************************************************** [ 1.237148][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.237152][ T0] ** ** [ 1.237156][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.237159][ T0] ** via the console, logs, and other interfaces. This ** [ 1.237163][ T0] ** might reduce the security of your system. ** [ 1.237167][ T0] ** ** [ 1.237170][ T0] ** If you see this message and you are not debugging ** [ 1.237174][ T0] ** the kernel, report this immediately to your system ** [ 1.237177][ T0] ** administrator! ** [ 1.237181][ T0] ** ** [ 1.237185][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.237188][ T0] ** ** [ 1.237192][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.237195][ T0] ********************************************************** [ 1.240641][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.365159][ T0] allocated 167772160 bytes of page_ext [ 1.365201][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.378934][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.383072][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 1.394222][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 1.394704][ T0] Kernel/User page tables isolation: enabled [ 1.396900][ T0] Dynamic Preempt: full [ 1.398410][ T0] Running RCU self tests [ 1.398416][ T0] Running RCU synchronous self tests [ 1.398420][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.398424][ T0] rcu: RCU lockdep checking is enabled. [ 1.398427][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.398433][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 1.398439][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.398444][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 1.398447][ T0] rcu: RCU debug extended QS entry/exit. [ 1.398451][ T0] No expedited grace period (rcu_normal_after_boot). [ 1.398454][ T0] Trampoline variant of Tasks RCU enabled. [ 1.398458][ T0] Tracing variant of Tasks RCU enabled. [ 1.398461][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.398466][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.398635][ T0] Running RCU synchronous self tests [ 1.398670][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.563292][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.564437][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.565205][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.567226][ T0] Console: colour VGA+ 80x25 [ 1.964988][ T0] printk: legacy console [ttyS0] enabled [ 1.965000][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.965076][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.965081][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.965086][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.965090][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.965094][ T0] ... CLASSHASH_SIZE: 4096 [ 1.965098][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.965103][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.965107][ T0] ... CHAINHASH_SIZE: 524288 [ 1.965111][ T0] memory used by lock dependency info: 106625 kB [ 1.965116][ T0] memory used for stack traces: 8320 kB [ 1.965120][ T0] per task-struct memory footprint: 1920 bytes [ 1.965449][ T0] ACPI: Core revision 20260408 [ 1.966938][ T0] APIC: Switch to symmetric I/O mode setup [ 1.967678][ T0] x2apic enabled [ 1.970809][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.977208][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.977582][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 1.977633][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 1.978301][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.978307][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.978367][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.978386][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.978393][ T0] Spectre V2 : Mitigation: IBRS [ 1.978397][ T0] RETBleed: Mitigation: IBRS [ 1.978401][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.978405][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.978409][ T0] MDS: Mitigation: Clear CPU buffers [ 1.978413][ T0] TAA: Mitigation: Clear CPU buffers [ 1.978416][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.978421][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.978429][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 1.978450][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.978506][ T0] active return thunk: its_return_thunk [ 1.978530][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.978594][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.978604][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.978612][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.978621][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.978632][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.374035][ T0] pid_max: default: 32768 minimum: 301 [ 2.376140][ T0] landlock: Up and running. [ 2.376147][ T0] Yama: becoming mindful. [ 2.376677][ T0] TOMOYO Linux initialized [ 2.378290][ T0] AppArmor: AppArmor initialized [ 2.381557][ T0] LSM support for eBPF active [ 2.389293][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.392663][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.393154][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.393374][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.396387][ T0] VFS: Finished mounting rootfs on nullfs [ 2.402446][ T0] Running RCU synchronous self tests [ 2.402460][ T0] Running RCU synchronous self tests [ 2.524099][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.527622][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.527622][ T1] signal: max sigframe size: 1776 [ 2.537709][ T1] rcu: Hierarchical SRCU implementation. [ 2.537719][ T1] rcu: Max phase no-delay instances is 1000. [ 2.607741][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.766180][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.770035][ T1] smp: Bringing up secondary CPUs ... [ 2.783372][ T1] smpboot: x86: Booting SMP configuration: [ 2.783384][ T1] .... node #0, CPUs: #1 [ 2.790258][ T1] 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. [ 2.790275][ T1] 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. [ 2.790289][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 2.790419][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.790435][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 2.792304][ T1] Memory: 6461240K/8388204K available (168104K kernel code, 29786K rwdata, 41304K rodata, 25584K init, 129260K bss, 1738832K reserved, 0K cma-reserved) [ 2.806927][ T1] devtmpfs: initialized [ 2.820037][ T1] x86/mm: Memory block size: 128MB [ 2.922630][ T1] Running RCU synchronous self tests [ 2.922699][ T1] Running RCU synchronous self tests [ 2.922995][ T1] Running RCU Tasks wait API self tests [ 2.922995][ T1] Running RCU Tasks Trace wait API self tests [ 2.934790][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.934790][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 2.934790][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 2.934790][ T1] xor: automatically using best checksumming function avx [ 2.944735][ T1] PM: RTC time: 00:46:42, date: 2026-06-14 [ 2.975103][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.978173][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.984911][ T1] audit: initializing netlink subsys (disabled) [ 2.990115][ T38] audit: type=2000 audit(1781398002.094:1): state=initialized audit_enabled=0 res=1 [ 3.005025][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.005142][ T1] cpuidle: using governor menu [ 3.005142][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.014755][ T1] Freeing SMP alternatives memory: 128K [ 3.017053][ T1] dca service started, version 1.12.1 [ 3.017531][ T1] PCI: Using configuration type 1 for base access [ 3.067904][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.067922][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.067940][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.067952][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.123310][ T1] raid6: using avx2x2 recovery algorithm [ 3.123328][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 3.135050][ T1] ACPI: Added _OSI(Module Device) [ 3.135050][ T1] ACPI: Added _OSI(Processor Device) [ 3.135050][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.385393][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.481153][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.513030][ T1] ACPI: Interpreter enabled [ 3.514005][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.514084][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.514863][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.514878][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.531682][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.897883][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.898023][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.898047][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.898473][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 3.899278][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 3.944149][ T1] PCI host bridge to bus 0000:00 [ 3.944170][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.944779][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.944832][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.944873][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.944915][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.944965][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.945744][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 3.960433][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 3.981628][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 3.985272][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.999161][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 4.002324][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 4.002382][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 4.018492][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 4.022080][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 4.022130][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 4.037577][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 4.045181][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 4.049872][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.063620][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 4.066910][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 4.080622][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.083683][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.083732][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 4.155513][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.168498][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.179417][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.191617][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.196308][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.247715][ T1] iommu: Default domain type: Translated [ 4.247732][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.260421][ T1] SCSI subsystem initialized [ 4.273593][ T1] ACPI: bus type USB registered [ 4.273593][ T1] usbcore: registered new interface driver usbfs [ 4.273593][ T1] usbcore: registered new interface driver hub [ 4.273593][ T1] usbcore: registered new device driver usb [ 4.288198][ T1] mc: Linux media interface: v0.10 [ 4.288762][ T1] videodev: Linux video capture interface: v2.00 [ 4.290600][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.290612][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.290911][ T1] PTP clock support registered [ 4.309904][ T1] EDAC MC: Ver: 3.0.0 [ 4.340115][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.374838][ T1] Bluetooth: Core ver 2.22 [ 4.374838][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.374838][ T1] Bluetooth: HCI device and connection manager initialized [ 4.374838][ T1] Bluetooth: HCI socket layer initialized [ 4.374838][ T1] Bluetooth: L2CAP socket layer initialized [ 4.374838][ T1] Bluetooth: SCO socket layer initialized [ 4.374838][ T1] NET: Registered PF_ATMPVC protocol family [ 4.374838][ T1] NET: Registered PF_ATMSVC protocol family [ 4.374976][ T1] NetLabel: Initializing [ 4.374985][ T1] NetLabel: domain hash size = 128 [ 4.374995][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.375841][ T1] NetLabel: unlabeled traffic allowed by default [ 4.409057][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.409748][ T1] NET: Registered PF_NFC protocol family [ 4.409924][ T1] mctp: management component transport protocol core [ 4.409936][ T1] NET: Registered PF_MCTP protocol family [ 4.410788][ T1] PCI: Using ACPI for IRQ routing [ 4.411249][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.411356][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 4.413010][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.413029][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.413044][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.413085][ T1] vgaarb: loaded [ 4.457631][ T1] clocksource: Switched to clocksource kvm-clock [ 4.469689][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.470043][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 4.494932][ T1] netfs: FS-Cache loaded [ 4.497486][ T1] CacheFiles: Loaded [ 4.499148][ T1] TOMOYO: 2.6.0 [ 4.499159][ T1] Mandatory Access Control activated. [ 4.516031][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.517220][ T1] pnp: PnP ACPI init [ 4.568394][ T1] pnp: PnP ACPI: found 6 devices [ 4.696970][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.699566][ T1] NET: Registered PF_INET protocol family [ 4.702225][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.726925][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 4.727957][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.729075][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.761555][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 4.781595][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.788767][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 4.792408][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 4.803395][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.811877][ T1] RPC: Registered named UNIX socket transport module. [ 4.811899][ T1] RPC: Registered udp transport module. [ 4.811911][ T1] RPC: Registered tcp transport module. [ 4.811923][ T1] RPC: Registered tcp-with-tls transport module. [ 4.811935][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.830745][ T1] NET: Registered PF_XDP protocol family [ 4.830981][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.831008][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.831022][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.831037][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.835338][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.835716][ T1] PCI: CLS 0 bytes, default 64 [ 4.863702][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.863729][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 4.865089][ T1] ACPI: bus type thunderbolt registered [ 4.872431][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.888716][ T69] kworker/u8:1 (69) used greatest stack depth: 28152 bytes left [ 4.888816][ T67] kworker/u8:3 (67) used greatest stack depth: 27520 bytes left [ 4.980822][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 4.980856][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 4.981721][ T1] clocksource: Switched to clocksource tsc [ 4.992799][ T71] kworker/u8:3 (71) used greatest stack depth: 26808 bytes left [ 5.028841][ T84] kworker/u8:4 (84) used greatest stack depth: 25800 bytes left [ 5.056174][ T1] Initialise system trusted keyrings [ 5.061593][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 5.082501][ T1] DLM installed [ 5.093074][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.111329][ T1] NFS: Registering the id_resolver key type [ 5.111493][ T1] Key type id_resolver registered [ 5.111504][ T1] Key type id_legacy registered [ 5.111724][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.111882][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.130115][ T1] smbdirect: subsystem loading... [ 5.160167][ T1] smbdirect: subsystem loaded [ 5.193772][ T1] Key type cifs.spnego registered [ 5.194174][ T1] Key type cifs.idmap registered [ 5.209773][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.209787][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.210334][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 5.210512][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.224566][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.225151][ T1] QNX4 filesystem 0.2.3 registered. [ 5.225299][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.227106][ T1] fuse: init (API version 7.45) [ 5.243779][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.246621][ T1] orangefs_init: module version upstream loaded [ 5.248093][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.274720][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 5.294478][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.295752][ T1] NILFS version 2 loaded [ 5.295766][ T1] befs: version: 0.9.3 [ 5.297134][ T1] ocfs2: Registered cluster interface o2cb [ 5.298574][ T1] ocfs2: Registered cluster interface user [ 5.299956][ T1] OCFS2 User DLM kernel interface loaded [ 5.346952][ T1] gfs2: GFS2 installed [ 5.371263][ T1] ceph: loaded (mds proto 32) [ 5.388866][ T1] NET: Registered PF_ALG protocol family [ 5.390141][ T1] async_tx: api initialized (async) [ 5.390210][ T1] Key type asymmetric registered [ 5.390299][ T1] Asymmetric key parser 'x509' registered [ 5.390317][ T1] Asymmetric key parser 'pkcs8' registered [ 5.390335][ T1] Key type pkcs7_test registered [ 5.391257][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 5.410573][ T1] io scheduler mq-deadline registered [ 5.410598][ T1] io scheduler kyber registered [ 5.411266][ T1] io scheduler bfq registered [ 5.446604][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 5.449617][ T1] ACPI: button: Power Button [PWRF] [ 5.459782][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 5.468436][ T1] ACPI: button: Sleep Button [SLPF] [ 5.502551][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 5.552328][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.552567][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.602945][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.605631][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.655604][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.655781][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.694421][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 6.669563][ T1] N_HDLC line discipline registered with maxframe=4096 [ 6.671812][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.691869][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.729345][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 6.765268][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 6.799552][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 6.858370][ T1] Non-volatile memory driver v1.3 [ 6.903069][ T1] usbcore: registered new interface driver xillyusb [ 6.917192][ T1] ACPI: bus type drm_connector registered [ 6.933081][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 6.962281][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 7.128722][ T1] Console: switching to colour frame buffer device 128x48 [ 7.199137][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 7.200091][ T1] usbcore: registered new interface driver udl [ 7.224858][ T1] usbcore: registered new interface driver gm12u320 [ 7.225847][ T1] usbcore: registered new interface driver gud [ 7.450645][ T1] brd: module loaded [ 8.150197][ T1] loop: module loaded [ 8.591010][ T1] zram: Added device: zram0 [ 8.628233][ T1] null_blk: disk nullb0 created [ 8.628251][ T1] null_blk: module loaded [ 8.628282][ T1] rnull_mod: Rust null_blk loaded [ 8.652329][ T1] Guest personality initialized and is inactive [ 8.660921][ T1] VMCI host device registered (name=vmci, major=10, minor=267) [ 8.660942][ T1] Initialized host personality [ 8.663047][ T1] usbcore: registered new interface driver rtsx_usb [ 8.690579][ T1] usbcore: registered new interface driver viperboard [ 8.701016][ T1] usbcore: registered new interface driver dln2 [ 8.712277][ T1] usbcore: registered new interface driver pn533_usb [ 8.734841][ T1] nfcsim 0.2 initialized [ 8.735771][ T1] usbcore: registered new interface driver port100 [ 8.737784][ T1] usbcore: registered new interface driver nfcmrvl [ 8.767283][ T1] Loading iSCSI transport class v2.0-870. [ 8.817360][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 8.854968][ T1] scsi host0: Virtio SCSI HBA [ 8.855504][ T1] blk-mq: reduced tag depth to 10240 [ 9.157798][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.185289][ T68] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 9.279580][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 9.281064][ T1] db_root: cannot open: /etc/target [ 9.290772][ T1] slram: not enough parameters. [ 9.329412][ T1] ftl_cs: FTL header not found. [ 9.484632][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 9.484649][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 9.484665][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 9.544106][ T1] MACsec IEEE 802.1AE [ 9.617358][ T1] usbcore: registered new interface driver mvusb_mdio [ 9.618001][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 9.842028][ T1] vcan: Virtual CAN interface driver [ 9.842083][ T1] vxcan: Virtual CAN Tunnel driver [ 9.842131][ T1] slcan: serial line CAN interface driver [ 9.842194][ T1] CAN device driver interface [ 9.843099][ T1] usbcore: registered new interface driver usb_8dev [ 9.847154][ T1] usbcore: registered new interface driver ems_usb [ 9.849322][ T1] usbcore: registered new interface driver esd_usb [ 9.851374][ T1] usbcore: registered new interface driver etas_es58x [ 9.873596][ T1] usbcore: registered new interface driver f81604 [ 9.879702][ T1] usbcore: registered new interface driver gs_usb [ 9.888876][ T1] usbcore: registered new interface driver kvaser_usb [ 9.895639][ T1] usbcore: registered new interface driver mcba_usb [ 9.904005][ T1] usbcore: registered new interface driver peak_usb [ 9.915973][ T1] usbcore: registered new interface driver ucan [ 9.920523][ T1] e100: Intel(R) PRO/100 Network Driver [ 9.920570][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 9.946819][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 9.946874][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 9.962498][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 9.962538][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 9.969741][ T1219] ======================================================[ 9.969741][ T1219] ================================================================== [ 9.969795][ T1219] BUG: KASAN: slab-use-after-free in _raw_spin_lock_irqsave+0x40/0x60 [ 9.969896][ T1219] Read of size 1 at addr ffff888026c9d200 by task kworker/u8:9/1219 [ 9.969953][ T1219] [ 9.970004][ T1219] CPU: 1 UID: 0 PID: 1219 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 9.970081][ T1219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 9.970133][ T1219] Call Trace: [ 9.970164][ T1219] [ 9.970196][ T1219] dump_stack_lvl+0xe8/0x150 [ 9.970279][ T1219] print_address_description+0x55/0x1e0 [ 9.970362][ T1219] ? _raw_spin_lock_irqsave+0x40/0x60 [ 9.970433][ T1219] print_report+0x58/0x70 [ 9.970513][ T1219] kasan_report+0x117/0x150 [ 9.970582][ T1219] ? _raw_spin_lock_irqsave+0x40/0x60 [ 9.970612][ T1219] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 9.970648][ T1219] __kasan_check_byte+0x2a/0x40 [ 9.970719][ T1219] lock_acquire+0x84/0x350 [ 9.970805][ T1219] ? rcu_is_watching+0x15/0xb0 [ 9.970895][ T1219] _raw_spin_lock_irqsave+0x40/0x60 [ 9.970977][ T1219] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 9.971040][ T1219] rt_mutex_slowunlock+0xbf/0x8b0 [ 9.971106][ T1219] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 9.971170][ T1219] ? __rcu_read_unlock+0x83/0xe0 [ 9.971241][ T1219] ? rt_spin_unlock+0x160/0x200 [ 9.971307][ T1219] d_alloc_parallel+0x103d/0x1630 [ 9.971381][ T1219] ? reacquire_held_locks+0x104/0x190 [ 9.971496][ T1219] ? d_alloc_parallel+0x3c4/0x1630 [ 9.971582][ T1219] ? __pfx_d_alloc_parallel+0x10/0x10 [ 9.971683][ T1219] ? down_read+0x156/0x200 [ 9.971759][ T1219] ? __pfx_down_read+0x10/0x10 [ 9.971841][ T1219] __lookup_slow+0x82/0x2f0 [ 9.971907][ T1219] lookup_slow+0x53/0x70 [ 9.972006][ T1219] link_path_walk+0xd1e/0x18d0 [ 9.972052][ T1219] path_openat+0x22c/0x37e0 [ 9.972177][ T1219] do_file_open+0x23e/0x4a0 [ 9.972247][ T1219] ? kasan_save_track+0x3e/0x80 [ 9.972302][ T1219] ? __kasan_slab_alloc+0x6c/0x80 [ 9.972357][ T1219] ? kmem_cache_alloc_noprof+0x354/0x6c0 [ 9.972486][ T1219] ? __pfx_do_file_open+0x10/0x10 [ 9.972596][ T1219] ? do_open_execat+0xad/0x590 [ 9.972677][ T1219] do_open_execat+0x12b/0x590 [ 9.972744][ T1219] ? rcu_is_watching+0x15/0xb0 [ 9.972829][ T1219] ? __pfx_do_open_execat+0x10/0x10 [ 9.972892][ T1219] ? kmem_cache_alloc_noprof+0x3bc/0x6c0 [ 9.972980][ T1219] ? do_getname_kernel+0x54/0x230 [ 9.973084][ T1219] ? do_getname_kernel+0x97/0x230 [ 9.973166][ T1219] alloc_bprm+0x28/0x660 [ 9.973180][ T1219] ? do_getname_kernel+0x183/0x230 [ 9.973180][ T1219] kernel_execve+0x87/0x930 [ 9.973180][ T1219] call_usermodehelper_exec_async+0x212/0x360 [ 9.973180][ T1219] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 9.973180][ T1219] ret_from_fork+0x514/0xb70 [ 9.973180][ T1219] ? __pfx_ret_from_fork+0x10/0x10 [ 9.973180][ T1219] ? __switch_to+0xc79/0x1410 [ 9.973180][ T1219] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 9.973180][ T1219] ret_from_fork_asm+0x1a/0x30 [ 9.973180][ T1219] [ 9.973180][ T1219] [ 9.973180][ T1219] Allocated by task 1214: [ 9.973180][ T1219] kasan_save_track+0x3e/0x80 [ 9.973180][ T1219] __kasan_slab_alloc+0x6c/0x80 [ 9.973180][ T1219] kmem_cache_alloc_lru_noprof+0x354/0x6b0 [ 9.973180][ T1219] __d_alloc+0x37/0x6f0 [ 9.973180][ T1219] d_alloc_parallel+0xe3/0x1630 [ 9.973180][ T1219] __lookup_slow+0x82/0x2f0 [ 9.973180][ T1219] lookup_slow+0x53/0x70 [ 9.973180][ T1219] link_path_walk+0xd1e/0x18d0 [ 9.973180][ T1219] path_openat+0x22c/0x37e0 [ 9.973180][ T1219] do_file_open+0x23e/0x4a0 [ 9.973180][ T1219] do_open_execat+0x12b/0x590 [ 9.973180][ T1219] alloc_bprm+0x28/0x660 [ 9.973180][ T1219] kernel_execve+0x87/0x930 [ 9.973180][ T1219] call_usermodehelper_exec_async+0x212/0x360 [ 9.973180][ T1219] ret_from_fork+0x514/0xb70 [ 9.973180][ T1219] ret_from_fork_asm+0x1a/0x30 [ 9.973180][ T1219] [ 9.973180][ T1219] Freed by task 21: [ 9.973180][ T1219] kasan_save_track+0x3e/0x80 [ 9.973180][ T1219] kasan_save_free_info+0x46/0x50 [ 9.973180][ T1219] __kasan_slab_free+0x5c/0x80 [ 9.973180][ T1219] kmem_cache_free+0x187/0x6c0 [ 9.973180][ T1219] rcu_cpu_kthread+0x99e/0x1470 [ 9.973180][ T1219] smpboot_thread_fn+0x541/0xa50 [ 9.973180][ T1219] kthread+0x388/0x470 [ 9.973180][ T1219] ret_from_fork+0x514/0xb70 [ 9.973180][ T1219] ret_from_fork_asm+0x1a/0x30 [ 9.973180][ T1219] [ 9.973180][ T1219] Last potentially related work creation: [ 9.973180][ T1219] kasan_save_stack+0x3e/0x60 [ 9.973180][ T1219] kasan_record_aux_stack+0xbd/0xd0 [ 9.973180][ T1219] call_rcu+0xee/0x890 [ 9.973180][ T1219] dentry_kill+0x4ed/0x890 [ 9.973180][ T1219] finish_dput+0x1a/0x260 [ 9.973180][ T1219] step_into_slowpath+0x487/0x7e0 [ 9.973180][ T1219] link_path_walk+0xd50/0x18d0 [ 9.973180][ T1219] path_openat+0x22c/0x37e0 [ 9.973180][ T1219] do_file_open+0x23e/0x4a0 [ 9.973180][ T1219] do_open_execat+0x12b/0x590 [ 9.973180][ T1219] alloc_bprm+0x28/0x660 [ 9.973180][ T1219] kernel_execve+0x87/0x930 [ 9.973180][ T1219] call_usermodehelper_exec_async+0x212/0x360 [ 9.973180][ T1219] ret_from_fork+0x514/0xb70 [ 9.973180][ T1219] ret_from_fork_asm+0x1a/0x30 [ 9.976251][ T1219] [ 9.976251][ T1219] The buggy address belongs to the object at ffff888026c9d130 [ 9.976251][ T1219] which belongs to the cache dentry of size 376 [ 9.976251][ T1219] The buggy address is located 208 bytes inside of [ 9.976251][ T1219] freed 376-byte region [ffff888026c9d130, ffff888026c9d2a8) [ 9.976251][ T1219] [ 9.976251][ T1219] The buggy address belongs to the physical page: [ 9.976251][ T1219] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888026c9d4a0 pfn:0x26c9c [ 9.976251][ T1219] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 9.976251][ T1219] flags: 0x80000000000240(workingset|head|node=0|zone=1) [ 9.976251][ T1219] page_type: f5(slab) [ 9.976251][ T1219] raw: 0080000000000240 ffff88801c68c500 ffff88801c68bb88 ffff88801c68bb88 [ 9.976251][ T1219] raw: ffff888026c9d4a0 000000080012000c 00000000f5000000 0000000000000000 [ 9.976251][ T1219] head: 0080000000000240 ffff88801c68c500 ffff88801c68bb88 ffff88801c68bb88 [ 9.976251][ T1219] head: ffff888026c9d4a0 000000080012000c 00000000f5000000 0000000000000000 [ 9.976251][ T1219] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 9.976251][ T1219] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 9.976251][ T1219] page dumped because: kasan: bad access detected [ 9.976251][ T1219] page_owner tracks the page as allocated [ 9.976251][ T1219] page last allocated via order 1, migratetype Reclaimable, gfp_mask 0xd20d0(__GFP_RECLAIMABLE|__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1209, tgid 1209 (kworker/u8:9), ts 9836474302, free_ts 0 [ 9.976251][ T1219] post_alloc_hook+0x1f9/0x250 [ 9.976251][ T1219] get_page_from_freelist+0x265c/0x26e0 [ 9.976251][ T1219] __alloc_frozen_pages_noprof+0x18d/0x380 [ 9.976251][ T1219] allocate_slab+0x76/0x5d0 [ 9.976251][ T1219] refill_objects+0x2d9/0x350 [ 9.976251][ T1219] __pcs_replace_empty_main+0x331/0x690 [ 9.976251][ T1219] kmem_cache_alloc_lru_noprof+0x46b/0x6b0 [ 9.976251][ T1219] __d_alloc+0x37/0x6f0 [ 9.976251][ T1219] d_alloc_parallel+0xe3/0x1630 [ 9.976251][ T1219] __lookup_slow+0x82/0x2f0 [ 9.976251][ T1219] lookup_slow+0x53/0x70 [ 9.976251][ T1219] link_path_walk+0xd1e/0x18d0 [ 9.976251][ T1219] path_openat+0x22c/0x37e0 [ 9.976251][ T1219] do_file_open+0x23e/0x4a0 [ 9.976251][ T1219] do_open_execat+0x12b/0x590 [ 9.976251][ T1219] alloc_bprm+0x28/0x660 [ 9.976251][ T1219] page_owner free stack trace missing [ 9.976251][ T1219] [ 9.976251][ T1219] Memory state around the buggy address: [ 9.976251][ T1219] ffff888026c9d100: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb [ 9.976251][ T1219] ffff888026c9d180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 9.976251][ T1219] >ffff888026c9d200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 9.976251][ T1219] ^ [ 9.976251][ T1219] ffff888026c9d280: fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb fb [ 9.976251][ T1219] ffff888026c9d300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 9.976251][ T1219] ================================================================== [ 9.976251][ T1219] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 9.976251][ T1219] CPU: 1 UID: 0 PID: 1219 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 9.976251][ T1219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 9.976251][ T1219] Call Trace: [ 9.976251][ T1219] [ 9.976251][ T1219] vpanic+0x56c/0xa60 [ 9.976251][ T1219] ? __pfx_vpanic+0x10/0x10 [ 9.976251][ T1219] panic+0xc5/0xd0 [ 9.976251][ T1219] ? __pfx_panic+0x10/0x10 [ 9.976251][ T1219] ? _raw_spin_lock_irqsave+0x40/0x60 [ 9.976251][ T1219] ? rcu_is_watching+0x15/0xb0 [ 9.976251][ T1219] ? _raw_spin_lock_irqsave+0x40/0x60 [ 9.976251][ T1219] ? _raw_spin_lock_irqsave+0x40/0x60 [ 9.976251][ T1219] check_panic_on_warn+0x89/0xb0 [ 9.976251][ T1219] ? _raw_spin_lock_irqsave+0x40/0x60 [ 9.976251][ T1219] end_report+0x73/0x170 [ 9.976251][ T1219] ? _raw_spin_lock_irqsave+0x40/0x60 [ 9.976251][ T1219] kasan_report+0x128/0x150 [ 9.976251][ T1219] ? _raw_spin_lock_irqsave+0x40/0x60 [ 9.976251][ T1219] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 9.976251][ T1219] __kasan_check_byte+0x2a/0x40 [ 9.976251][ T1219] lock_acquire+0x84/0x350 [ 9.976251][ T1219] ? rcu_is_watching+0x15/0xb0 [ 9.976251][ T1219] _raw_spin_lock_irqsave+0x40/0x60 [ 9.976251][ T1219] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 9.976251][ T1219] rt_mutex_slowunlock+0xbf/0x8b0 [ 9.976251][ T1219] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 9.976251][ T1219] ? __rcu_read_unlock+0x83/0xe0 [ 9.976251][ T1219] ? rt_spin_unlock+0x160/0x200 [ 9.976251][ T1219] d_alloc_parallel+0x103d/0x1630 [ 9.976251][ T1219] ? reacquire_held_locks+0x104/0x190 [ 9.976251][ T1219] ? d_alloc_parallel+0x3c4/0x1630 [ 9.976251][ T1219] ? __pfx_d_alloc_parallel+0x10/0x10 [ 9.976251][ T1219] ? down_read+0x156/0x200 [ 9.976251][ T1219] ? __pfx_down_read+0x10/0x10 [ 9.976251][ T1219] __lookup_slow+0x82/0x2f0 [ 9.976251][ T1219] lookup_slow+0x53/0x70 [ 9.976251][ T1219] link_path_walk+0xd1e/0x18d0 [ 9.976251][ T1219] path_openat+0x22c/0x37e0 [ 9.976251][ T1219] do_file_open+0x23e/0x4a0 [ 9.976251][ T1219] ? kasan_save_track+0x3e/0x80 [ 9.976251][ T1219] ? __kasan_slab_alloc+0x6c/0x80 [ 9.976251][ T1219] ? kmem_cache_alloc_noprof+0x354/0x6c0 [ 9.976251][ T1219] ? __pfx_do_file_open+0x10/0x10 [ 9.976251][ T1219] ? do_open_execat+0xad/0x590 [ 9.976251][ T1219] do_open_execat+0x12b/0x590 [ 9.976251][ T1219] ? rcu_is_watching+0x15/0xb0 [ 9.976251][ T1219] ? __pfx_do_open_execat+0x10/0x10 [ 9.976251][ T1219] ? kmem_cache_alloc_noprof+0x3bc/0x6c0 [ 9.976251][ T1219] ? do_getname_kernel+0x54/0x230 [ 9.976251][ T1219] ? do_getname_kernel+0x97/0x230 [ 9.976251][ T1219] alloc_bprm+0x28/0x660 [ 9.976251][ T1219] ? do_getname_kernel+0x183/0x230 [ 9.976251][ T1219] kernel_execve+0x87/0x930 [ 9.976251][ T1219] call_usermodehelper_exec_async+0x212/0x360 [ 9.976251][ T1219] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 9.976251][ T1219] ret_from_fork+0x514/0xb70 [ 9.976251][ T1219] ? __pfx_ret_from_fork+0x10/0x10 [ 9.976251][ T1219] ? __switch_to+0xc79/0x1410 [ 9.976251][ T1219] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 9.976251][ T1219] ret_from_fork_asm+0x1a/0x30 [ 9.976251][ T1219] [ 9.976251][ T1219] Kernel Offset: disabled