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@10.128.0.234" "pwd"]: exit status 255 ssh: connect to host 10.128.0.234 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 61d6ddfc-609e-f583-1716-7d290186a9e5 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 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6) #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 9910423079 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 [ 0.003865][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.003913][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.003924][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.003982][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.008932][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.008957][ T0] Using GB pages for direct mapping [ 0.012630][ T0] ACPI: Early table checksum verification disabled [ 0.012653][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.012669][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.012691][ T0] ACPI: FACP 0x00000000BFFFF370 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.012714][ T0] ACPI: DSDT 0x00000000BFFFD900 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.012732][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012746][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012760][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.012777][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.012795][ T0] ACPI: SSDT 0x00000000BFFFF470 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.012812][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.012827][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff370-0xbffff463] [ 0.012835][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd900-0xbffff363] [ 0.012842][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.012849][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.012855][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.012862][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.012868][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff470-0xbffffdef] [ 0.012875][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.012995][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.013005][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.013013][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.013024][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.013036][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.013062][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.013070][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.013128][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.013863][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.290916][ T0] KernelAddressSanitizer initialized (generic) [ 0.291675][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.291709][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.291842][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.291856][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.291866][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.291874][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.291881][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.291900][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.291910][ T0] CPU topo: Max. logical packages: 1 [ 0.291915][ T0] CPU topo: Max. logical nodes: 1 [ 0.291919][ T0] CPU topo: Num. nodes per package: 1 [ 0.291927][ T0] CPU topo: Max. logical dies: 1 [ 0.291931][ T0] CPU topo: Max. dies per package: 1 [ 0.291943][ T0] CPU topo: Max. threads per core: 2 [ 0.291947][ T0] CPU topo: Num. cores per package: serialport: Connected to syzkaller.us-central1-f.ci-upstream-linux-next-kasan-gce-root-2 port 1 (session ID: 44f397682a6dfadc54e6b0b2c9132fc2176cca11fd3167cdec26b9c93c227c27, active connections: 1). 1 [ 0.291951][ T0] CPU topo: Num. threads per package: 2 [ 0.291955][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.292068][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.292077][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.292086][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.292108][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.292114][ T0] Booting paravirtualized kernel on KVM [ 0.292126][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.420661][ T0] Zone ranges: [ 0.420669][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.420681][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.420689][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.420697][ T0] Device empty [ 0.420702][ T0] Movable zone start for each node [ 0.420705][ T0] Early memory node ranges [ 0.420708][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.420716][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.420724][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.420731][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.420740][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.420758][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.420807][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.421061][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.482891][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.544887][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.545582][ T0] percpu: Embedded 72 pages/cpu s254408 r8192 d32312 u1048576 [ 0.545752][ T0] kvm-guest: PV spinlocks enabled [ 0.545762][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.545781][ 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 \ [ 0.545808][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.550244][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.550318][ T0] random: crng init done [ 0.550322][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.550522][ T0] software IO TLB: area num 2. [ 0.577164][ T0] Fallback order for Node 0: 0 1 [ 0.577185][ T0] Fallback order for Node 1: 1 0 [ 0.577200][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.577207][ T0] Policy zone: Normal [ 0.577862][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.577871][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.577881][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.582050][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.207334][ T0] ********************************************************** [ 1.207344][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.207348][ T0] ** ** [ 1.207352][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.207355][ T0] ** via the console, logs, and other interfaces. This ** [ 1.207359][ T0] ** might reduce the security of your system. ** [ 1.207363][ T0] ** ** [ 1.207366][ T0] ** If you see this message and you are not debugging ** [ 1.207370][ T0] ** the kernel, report this immediately to your system ** [ 1.207374][ T0] ** administrator! ** [ 1.207377][ T0] ** ** [ 1.207381][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.207384][ T0] ** ** [ 1.207388][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.207392][ T0] ********************************************************** [ 1.210746][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.333700][ T0] allocated 167772160 bytes of page_ext [ 1.333740][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.347532][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.351553][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 1.362783][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 1.363270][ T0] Kernel/User page tables isolation: enabled [ 1.365440][ T0] Dynamic Preempt: full [ 1.366579][ T0] Running RCU self tests [ 1.366584][ T0] Running RCU synchronous self tests [ 1.366589][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.366593][ T0] rcu: RCU lockdep checking is enabled. [ 1.366596][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.366602][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 1.366608][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.366612][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 1.366615][ T0] rcu: RCU debug extended QS entry/exit. [ 1.366619][ T0] No expedited grace period (rcu_normal_after_boot). [ 1.366622][ T0] Trampoline variant of Tasks RCU enabled. [ 1.366626][ T0] Tracing variant of Tasks RCU enabled. [ 1.366629][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.366634][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.366813][ T0] Running RCU synchronous self tests [ 1.366846][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.538021][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.539162][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.539201][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.540136][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.542127][ T0] Console: colour VGA+ 80x25 [ 1.842497][ T0] printk: legacy console [ttyS0] enabled [ 1.842510][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.842595][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.842600][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.842605][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.842610][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.842615][ T0] ... CLASSHASH_SIZE: 4096 [ 1.842620][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.842624][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.842629][ T0] ... CHAINHASH_SIZE: 524288 [ 1.842634][ T0] memory used by lock dependency info: 106625 kB [ 1.842639][ T0] memory used for stack traces: 8320 kB [ 1.842644][ T0] per task-struct memory footprint: 1920 bytes [ 1.843027][ T0] ACPI: Core revision 20260408 [ 1.844589][ T0] APIC: Switch to symmetric I/O mode setup [ 1.845304][ T0] x2apic enabled [ 1.849404][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.855539][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.855853][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 1.855900][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 1.856536][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.856543][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.856599][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.856618][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.856624][ T0] Spectre V2 : Mitigation: IBRS [ 1.856628][ T0] RETBleed: Mitigation: IBRS [ 1.856632][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.856636][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.856640][ T0] MDS: Mitigation: Clear CPU buffers [ 1.856644][ T0] TAA: Mitigation: Clear CPU buffers [ 1.856648][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.856655][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.856664][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 1.856695][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.856752][ T0] active return thunk: its_return_thunk [ 1.856767][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.856833][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.856848][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.856857][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.856866][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.856878][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.244776][ T0] pid_max: default: 32768 minimum: 301 [ 2.246907][ T0] landlock: Up and running. [ 2.246915][ T0] Yama: becoming mindful. [ 2.247444][ T0] TOMOYO Linux initialized [ 2.248991][ T0] AppArmor: AppArmor initialized [ 2.252192][ T0] LSM support for eBPF active [ 2.259875][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.263225][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.263717][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.263935][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.267371][ T0] VFS: Finished mounting rootfs on nullfs [ 2.273352][ T0] Running RCU synchronous self tests [ 2.273364][ T0] Running RCU synchronous self tests [ 2.394991][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.395889][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.395889][ T1] signal: max sigframe size: 1776 [ 2.405995][ T1] rcu: Hierarchical SRCU implementation. [ 2.406004][ T1] rcu: Max phase no-delay instances is 1000. [ 2.535999][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.653079][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.654332][ T1] smp: Bringing up secondary CPUs ... [ 2.668399][ T1] smpboot: x86: Booting SMP configuration: [ 2.668410][ T1] .... node #0, CPUs: #1 [ 2.670014][ 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. [ 2.670014][ 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. [ 2.670014][ 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. [ 2.670014][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.670014][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 2.678963][ T1] Memory: 6465848K/8388204K available (167212K kernel code, 29607K rwdata, 39824K rodata, 25508K init, 129248K bss, 1733740K reserved, 0K cma-reserved) [ 2.703238][ T1] devtmpfs: initialized [ 2.703238][ T1] x86/mm: Memory block size: 128MB [ 2.800173][ T1] Running RCU synchronous self tests [ 2.800253][ T1] Running RCU synchronous self tests [ 2.800526][ T1] Running RCU Tasks wait API self tests [ 2.800526][ T1] Running RCU Tasks Trace wait API self tests [ 2.814646][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 2.814646][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 2.824870][ T1] xor: automatically using best checksumming function avx [ 2.831472][ T1] PM: RTC time: 06:27:13, date: 2026-06-21 [ 2.846137][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.847346][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.862886][ T1] audit: initializing netlink subsys (disabled) [ 2.866346][ T37] audit: type=2000 audit(1782023233.121:1): state=initialized audit_enabled=0 res=1 [ 2.877964][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.878376][ T1] cpuidle: using governor menu [ 2.878376][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.892098][ T1] Freeing SMP alternatives memory: 128K [ 2.895927][ T1] dca service started, version 1.12.1 [ 2.895927][ T1] PCI: Using configuration type 1 for base access [ 2.936127][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.936146][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.936163][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.936175][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.991469][ T1] raid6: using avx2x2 recovery algorithm [ 2.991486][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.998451][ T1] ACPI: Added _OSI(Module Device) [ 2.998496][ T1] ACPI: Added _OSI(Processor Device) [ 2.998515][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.250553][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.289505][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.326126][ T1] ACPI: Interpreter enabled [ 3.327128][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.327208][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.327911][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.327926][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.335568][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.708414][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.708552][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.708577][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.709007][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 3.709814][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 3.751744][ T1] PCI host bridge to bus 0000:00 [ 3.751763][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.752258][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.752302][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.752343][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.752386][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.752435][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.753163][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 3.764805][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 3.786627][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 3.790416][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.803195][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 3.815960][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 3.815996][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 3.822402][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 3.835986][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 3.836022][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 3.842793][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 3.858100][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 3.859502][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 3.872595][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 3.876001][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 3.888819][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 3.892139][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 3.892187][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 3.968080][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.980535][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.992211][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.003823][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.009815][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.046721][ T1] iommu: Default domain type: Translated [ 4.046738][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.062345][ T1] SCSI subsystem initialized [ 4.068345][ T1] ACPI: bus type USB registered [ 4.070050][ T1] usbcore: registered new interface driver usbfs [ 4.070780][ T1] usbcore: registered new interface driver hub [ 4.071314][ T1] usbcore: registered new device driver usb [ 4.078303][ T1] mc: Linux media interface: v0.10 [ 4.079609][ T1] videodev: Linux video capture interface: v2.00 [ 4.085035][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.085081][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.085787][ T1] PTP clock support registered [ 4.092082][ T1] EDAC MC: Ver: 3.0.0 [ 4.108635][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.138617][ T1] Bluetooth: Core ver 2.22 [ 4.138961][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.138972][ T1] Bluetooth: HCI device and connection manager initialized [ 4.139122][ T1] Bluetooth: HCI socket layer initialized [ 4.139164][ T1] Bluetooth: L2CAP socket layer initialized [ 4.139363][ T1] Bluetooth: SCO socket layer initialized [ 4.139538][ T1] NET: Registered PF_ATMPVC protocol family [ 4.140196][ T1] NetLabel: Initializing [ 4.140204][ T1] NetLabel: domain hash size = 128 [ 4.140214][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.141126][ T1] NetLabel: unlabeled traffic allowed by default [ 4.166110][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.167064][ T1] NET: Registered PF_NFC protocol family [ 4.167240][ T1] mctp: management component transport protocol core [ 4.167252][ T1] NET: Registered PF_MCTP protocol family [ 4.167931][ T1] PCI: Using ACPI for IRQ routing [ 4.168367][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.168468][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 4.170217][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.170237][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.170252][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.170294][ T1] vgaarb: loaded [ 4.203908][ T1] clocksource: Switched to clocksource kvm-clock [ 4.208688][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.209244][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 4.222170][ T1] netfs: FS-Cache loaded [ 4.225461][ T1] CacheFiles: Loaded [ 4.230153][ T1] TOMOYO: 2.6.0 [ 4.230165][ T1] Mandatory Access Control activated. [ 4.242839][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.244109][ T1] pnp: PnP ACPI init [ 4.291559][ T1] pnp: PnP ACPI: found 6 devices [ 4.416092][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.421605][ T1] NET: Registered PF_INET protocol family [ 4.424081][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.443100][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 4.444124][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.445194][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.473744][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 4.491803][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.495450][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 4.503424][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 4.508969][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.527546][ T1] RPC: Registered named UNIX socket transport module. [ 4.527567][ T1] RPC: Registered udp transport module. [ 4.527579][ T1] RPC: Registered tcp transport module. [ 4.527591][ T1] RPC: Registered tcp-with-tls transport module. [ 4.527603][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.534119][ T1] NET: Registered PF_XDP protocol family [ 4.534429][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.534455][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.534476][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.534497][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.536684][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.537917][ T1] PCI: CLS 0 bytes, default 64 [ 4.544412][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.544464][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 4.561340][ T1] ACPI: bus type thunderbolt registered [ 4.592357][ T70] kworker/u8:3 (70) used greatest stack depth: 28016 bytes left [ 4.593516][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.594093][ T68] kworker/u8:3 (68) used greatest stack depth: 27600 bytes left [ 4.638508][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 4.638551][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 4.639280][ T1] clocksource: Switched to clocksource tsc [ 4.677753][ T83] kworker/u8:3 (83) used greatest stack depth: 27192 bytes left [ 4.714534][ T1] Initialise system trusted keyrings [ 4.728431][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 4.744718][ T1] DLM installed [ 4.755256][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.771787][ T1] NFS: Registering the id_resolver key type [ 4.771966][ T1] Key type id_resolver registered [ 4.771980][ T1] Key type id_legacy registered [ 4.772297][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.772521][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.782256][ T1] smbdirect: subsystem loading... [ 4.802605][ T1] smbdirect: subsystem loaded [ 4.837457][ T1] Key type cifs.spnego registered [ 4.837820][ T1] Key type cifs.idmap registered [ 4.848018][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 4.848031][ T1] ntfs3: Read-only LZX/Xpress compression included [ 4.848609][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 4.848761][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 4.852126][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 4.852407][ T1] QNX4 filesystem 0.2.3 registered. [ 4.852556][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 4.854556][ T1] fuse: init (API version 7.45) [ 4.878614][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 4.881195][ T1] orangefs_init: module version upstream loaded [ 4.882819][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 4.910340][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 4.936936][ T1] 9p: Installing v9fs 9p2000 file system support [ 4.937690][ T1] NILFS version 2 loaded [ 4.937698][ T1] befs: version: 0.9.3 [ 4.938786][ T1] ocfs2: Registered cluster interface o2cb [ 4.939976][ T1] ocfs2: Registered cluster interface user [ 4.941751][ T1] OCFS2 User DLM kernel interface loaded [ 4.941751][ T133] kworker/u8:4 (133) used greatest stack depth: 26856 bytes left [ 5.004267][ T1] gfs2: GFS2 installed [ 5.029567][ T1] ceph: loaded (mds proto 32) [ 5.044880][ T1] NET: Registered PF_ALG protocol family [ 5.046014][ T1] async_tx: api initialized (async) [ 5.046077][ T1] Key type asymmetric registered [ 5.046172][ T1] Asymmetric key parser 'x509' registered [ 5.046190][ T1] Asymmetric key parser 'pkcs8' registered [ 5.046206][ T1] Key type pkcs7_test registered [ 5.059432][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 5.072045][ T1] io scheduler mq-deadline registered [ 5.072066][ T1] io scheduler kyber registered [ 5.073199][ T1] io scheduler bfq registered [ 5.118428][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 5.123589][ T1] ACPI: button: Power Button [PWRF] [ 5.133428][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 5.139891][ T1] ACPI: button: Sleep Button [SLPF] [ 5.183066][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 5.231472][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.231702][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.280805][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.281020][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.328134][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.328300][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.366314][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 5.713027][ T372] kworker/u8:4 (372) used greatest stack depth: 26768 bytes left [ 5.846590][ T433] kworker/u8:5 (433) used greatest stack depth: 26728 bytes left [ 6.443163][ T1] N_HDLC line discipline registered with maxframe=4096 [ 6.447487][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.472831][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.510782][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 6.539890][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 6.571743][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 6.633317][ T1] Non-volatile memory driver v1.3 [ 6.677418][ T1] usbcore: registered new interface driver xillyusb [ 6.685496][ T1] ACPI: bus type drm_connector registered [ 6.711326][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 6.737365][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 6.899592][ T1] Console: switching to colour frame buffer device 128x48 [ 6.969806][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 6.970933][ T1] usbcore: registered new interface driver udl [ 6.995612][ T1] usbcore: registered new interface driver gm12u320 [ 7.003608][ T1] usbcore: registered new interface driver gud [ 7.212070][ T1] brd: module loaded [ 7.743846][ T1] loop: module loaded [ 8.210528][ T1] zram: Added device: zram0 [ 8.247497][ T1] null_blk: disk nullb0 created [ 8.247516][ T1] null_blk: module loaded [ 8.267187][ T1] Guest personality initialized and is inactive [ 8.268982][ T1] VMCI host device registered (name=vmci, major=10, minor=267) [ 8.269395][ T1] Initialized host personality [ 8.270337][ T1] usbcore: registered new interface driver rtsx_usb [ 8.284496][ T1] usbcore: registered new interface driver viperboard [ 8.310147][ T1] usbcore: registered new interface driver dln2 [ 8.323451][ T1] usbcore: registered new interface driver pn533_usb [ 8.343320][ T1] nfcsim 0.2 initialized [ 8.344156][ T1] usbcore: registered new interface driver port100 [ 8.346633][ T1] usbcore: registered new interface driver nfcmrvl [ 8.376028][ T1] Loading iSCSI transport class v2.0-870. [ 8.417516][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 8.472677][ T1] scsi host0: Virtio SCSI HBA [ 8.473244][ T1] blk-mq: reduced tag depth to 10240 [ 8.715437][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 8.745573][ T1023] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 8.911997][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 8.913606][ T1] db_root: cannot open: /etc/target [ 8.931167][ T1] slram: not enough parameters. [ 8.993325][ T1] ftl_cs: FTL header not found. [ 9.308561][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 9.308577][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 9.308592][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 9.394859][ T1] MACsec IEEE 802.1AE [ 9.434170][ T1] usbcore: registered new interface driver mvusb_mdio [ 9.434976][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 9.676978][ T1] vcan: Virtual CAN interface driver [ 9.677041][ T1] vxcan: Virtual CAN Tunnel driver [ 9.677091][ T1] slcan: serial line CAN interface driver [ 9.677249][ T1] CAN device driver interface [ 9.678714][ T1] usbcore: registered new interface driver usb_8dev [ 9.683865][ T1] usbcore: registered new interface driver ems_usb [ 9.684720][ T1] usbcore: registered new interface driver esd_usb [ 9.685490][ T1] usbcore: registered new interface driver etas_es58x [ 9.686252][ T1] usbcore: registered new interface driver f81604 [ 9.747525][ T1] usbcore: registered new interface driver gs_usb [ 9.748817][ T1] usbcore: registered new interface driver kvaser_usb [ 9.750056][ T1] usbcore: registered new interface driver mcba_usb [ 9.751486][ T1] usbcore: registered new interface driver peak_usb [ 9.752757][ T1] usbcore: registered new interface driver ucan [ 9.755938][ T1] e100: Intel(R) PRO/100 Network Driver [ 9.755950][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 9.803725][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 9.803740][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 9.805338][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 9.805349][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 9.834498][ T1] PPP generic driver version 2.4.2 [ 9.841985][ T1] PPP BSD Compression module registered [ 9.842108][ T1] PPP Deflate Compression module registered [ 9.842181][ T1] PPP MPPE Compression module registered [ 9.842231][ T1] NET: Registered PF_PPPOX protocol family [ 9.846226][ T1] PPTP driver version 0.8.5 [ 9.856118][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 9.856169][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 9.856191][ T1] SLIP linefill/keepalive option. [ 9.856269][ T1] hdlc: HDLC support module revision 1.22 [ 9.856527][ T1] LAPB Ethernet driver version 0.02 [ 9.871079][ T1] usbcore: registered new interface driver ath9k_htc [ 9.873235][ T1] usbcore: registered new interface driver carl9170 [ 9.875248][ T1] usbcore: registered new interface driver ath6kl_usb [ 9.890804][ T1] usbcore: registered new interface driver ar5523 [ 9.904969][ T1] usbcore: registered new interface driver ath10k_usb [ 9.916923][ T1] usbcore: registered new interface driver plfxlc [ 9.919785][ T1] mac80211_hwsim: initializing netlink [ 9.958243][ T1240] kworker/u8:8 (1240) used greatest stack depth: 26664 bytes left [ 10.160496][ T1] usbcore: registered new interface driver atusb [ 10.360118][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 10.364156][ T1] VMware vmxnet3 virtual NIC driver - version 1.9.0.0-k-NAPI [ 10.387989][ T1] usbcore: registered new interface driver catc [ 10.394119][ T1] usbcore: registered new interface driver kaweth [ 10.394142][ T1] pegasus: Pegasus/Pegasus II USB Ethernet driver [ 10.395175][ T1] usbcore: registered new interface driver pegasus [ 10.395996][ T1] usbcore: registered new interface driver rtl8150 [ 10.396412][ T1] usbcore: registered new device driver r8152-cfgselector [ 10.441530][ T1] usbcore: registered new interface driver r8152 [ 10.454070][ T1] usbcore: registered new interface driver hso [ 10.454950][ T1] usbcore: registered new interface driver lan78xx [ 10.460096][ T1] usbcore: registered new interface driver asix [ 10.466104][ T1] usbcore: registered new interface driver ax88179_178a [ 10.469158][ T1] usbcore: registered new interface driver cdc_ether [ 10.475483][ T1] usbcore: registered new interface driver cdc_eem [ 10.477681][ T1] usbcore: registered new interface driver dm9601 [ 10.481494][ T1] usbcore: registered new interface driver sr9700 [ 10.487685][ T1] usbcore: registered new interface driver CoreChips [ 10.492991][ T1] usbcore: registered new interface driver smsc75xx [ 10.496494][ T1] usbcore: registered new interface driver smsc95xx [ 10.501344][ T1] usbcore: registered new interface driver gl620a [ 10.506604][ T1] usbcore: registered new interface driver net1080 [ 10.514043][ T1] usbcore: registered new interface driver plusb [ 10.520100][ T1] usbcore: registered new interface driver rndis_host [ 10.524225][ T1] usbcore: registered new interface driver cdc_subset [ 10.529732][ T1] usbcore: registered new interface driver zaurus [ 10.538603][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 10.544838][ T1] usbcore: registered new interface driver int51x1 [ 10.555021][ T1] usbcore: registered new interface driver cdc_phonet [ 10.563224][ T1] usbcore: registered new interface driver kalmia [ 10.567817][ T1] usbcore: registered new interface driver ipheth [ 10.571140][ T1] usbcore: registered new interface driver sierra_net [ 10.575681][ T1] usbcore: registered new interface driver cx82310_eth [ 10.581982][ T1] usbcore: registered new interface driver cdc_ncm [ 10.590705][ T1] usbcore: registered new interface driver huawei_cdc_ncm [ 10.598844][ T1] usbcore: registered new interface driver lg-vl600 [ 10.601833][ T1] usbcore: registered new interface driver qmi_wwan [ 10.621594][ T1] usbcore: registered new interface driver cdc_mbim [ 10.623823][ T1] usbcore: registered new interface driver ch9200 [ 10.626033][ T1] usbcore: registered new interface driver aqc111 [ 10.628016][ T1] usbcore: registered new interface driver r8153_ecm [ 10.682033][ T1] VFIO - User Level meta-driver version: 0.3 [ 10.717837][ T1] aoe: AoE v85 initialised. [ 10.774466][ T1] usbcore: registered new interface driver cdc_acm [ 10.774483][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 10.775312][ T1] usbcore: registered new interface driver usblp [ 10.776223][ T1] usbcore: registered new interface driver cdc_wdm [ 10.783724][ T1] usbcore: registered new interface driver usbtmc [ 10.787184][ T1] usbcore: registered new interface driver uas [ 10.789414][ T1] usbcore: registered new interface driver usb-storage [ 10.792855][ T1] usbcore: registered new interface driver ums-alauda [ 10.794733][ T1] usbcore: registered new interface driver ums-cypress [ 10.795552][ T1] usbcore: registered new interface driver ums-datafab [ 10.796262][ T1] usbcore: registered new interface driver ums_eneub6250 [ 10.799347][ T1] usbcore: registered new interface driver ums-freecom [ 10.801061][ T1] usbcore: registered new interface driver ums-isd200 [ 10.803007][ T1] usbcore: registered new interface driver ums-jumpshot [ 10.804918][ T1] usbcore: registered new interface driver ums-karma [ 10.805900][ T1] usbcore: registered new interface driver ums-onetouch [ 10.806569][ T1] usbcore: registered new interface driver ums-realtek [ 10.808421][ T1] usbcore: registered new interface driver ums-sddr09 [ 10.810220][ T1] usbcore: registered new interface driver ums-sddr55 [ 10.811831][ T1] usbcore: registered new interface driver ums-usbat [ 10.814236][ T1] usbcore: registered new interface driver mdc800 [ 10.814274][ T1] mdc800: v0.7.5 (30/10/2000):USB Driver for Mustek MDC800 Digital Camera [ 10.816286][ T1] usbcore: registered new interface driver microtekX6 [ 10.822410][ T1] usbcore: registered new interface driver usbserial_generic [ 10.824808][ T1] usbserial: USB Serial support registered for generic [ 10.826810][ T1] usbcore: registered new interface driver aircable [ 10.828063][ T1] usbserial: USB Serial support registered for aircable [ 10.829573][ T1] usbcore: registered new interface driver ark3116 [ 10.830506][ T1] usbserial: USB Serial support registered for ark3116 [ 10.831999][ T1] usbcore: registered new interface driver belkin_sa [ 10.832821][ T1] usbserial: USB Serial support registered for Belkin / Peracom / GoHubs USB Serial Adapter [ 10.834734][ T1] usbcore: registered new interface driver ch341 [ 10.835536][ T1] usbserial: USB Serial support registered for ch341-uart [ 10.837127][ T1] usbcore: registered new interface driver cp210x [ 10.837899][ T1] usbserial: USB Serial support registered for cp210x [ 10.839383][ T1] usbcore: registered new interface driver cyberjack [ 10.840284][ T1] usbserial: USB Serial support registered for Reiner SCT Cyberjack USB card reader [ 10.841602][ T1] usbcore: registered new interface driver cypress_m8 [ 10.842353][ T1] usbserial: USB Serial support registered for DeLorme Earthmate USB [ 10.843076][ T1] usbserial: USB Serial support registered for HID->COM RS232 Adapter [ 10.844312][ T1] usbserial: USB Serial support registered for Nokia CA-42 V2 Adapter [ 10.845574][ T1] usbcore: registered new interface driver usb_debug [ 10.846463][ T1] usbserial: USB Serial support registered for debug [ 10.849955][ T1] usbserial: USB Serial support registered for xhci_dbc [ 10.851709][ T1] usbcore: registered new interface driver digi_acceleport [ 10.852526][ T1] usbserial: USB Serial support registered for Digi 2 port USB adapter [ 10.853617][ T1] usbserial: USB Serial support registered for Digi 4 port USB adapter [ 10.855095][ T1] usbcore: registered new interface driver io_edgeport [ 10.855990][ T1] usbserial: USB Serial support registered for Edgeport 2 port adapter [ 10.856312][ T1] usbserial: USB Serial support registered for Edgeport 4 port adapter [ 10.856543][ T1] usbserial: USB Serial support registered for Edgeport 8 port adapter [ 10.857823][ T1] usbserial: USB Serial support registered for EPiC device [ 10.859465][ T1] usbcore: registered new interface driver io_ti [ 10.860265][ T1] usbserial: USB Serial support registered for Edgeport TI 1 port adapter [ 10.861062][ T1] usbserial: USB Serial support registered for Edgeport TI 2 port adapter [ 10.862338][ T1] usbcore: registered new interface driver empeg [ 10.863213][ T1] usbserial: USB Serial support registered for empeg [ 10.864595][ T1] usbcore: registered new interface driver f81534a_ctrl [ 10.866085][ T1] usbcore: registered new interface driver f81232 [ 10.868316][ T1] usbserial: USB Serial support registered for f81232 [ 10.868988][ T1] usbserial: USB Serial support registered for f81534a [ 10.869939][ T1] usbcore: registered new interface driver f81534 [ 10.873395][ T1] usbserial: USB Serial support registered for Fintek F81532/F81534 [ 10.874266][ T1] usbcore: registered new interface driver ftdi_sio [ 10.878191][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 10.879774][ T1] usbcore: registered new interface driver garmin_gps [ 10.880506][ T1] usbserial: USB Serial support registered for Garmin GPS usb/tty [ 10.881917][ T1] usbcore: registered new interface driver ipaq [ 10.882837][ T1] usbserial: USB Serial support registered for PocketPC PDA [ 10.884331][ T1] usbcore: registered new interface driver ipw [ 10.885163][ T1] usbserial: USB Serial support registered for IPWireless converter [ 10.886576][ T1] usbcore: registered new interface driver ir_usb [ 10.890230][ T1] usbserial: USB Serial support registered for IR Dongle [ 10.892229][ T1] usbcore: registered new interface driver iuu_phoenix [ 10.893087][ T1] usbserial: USB Serial support registered for iuu_phoenix [ 10.894510][ T1] usbcore: registered new interface driver keyspan [ 10.894856][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 10.895201][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 10.903894][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 10.904806][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 10.906433][ T1] usbcore: registered new interface driver keyspan_pda [ 10.908026][ T1] usbserial: USB Serial support registered for Keyspan PDA [ 10.908482][ T1] usbserial: USB Serial support registered for Keyspan PDA - (prerenumeration) [ 10.910003][ T1] usbcore: registered new interface driver kl5kusb105 [ 10.910899][ T1] usbserial: USB Serial support registered for KL5KUSB105D / PalmConnect [ 10.911603][ T1] usbcore: registered new interface driver kobil_sct [ 10.912343][ T1] usbserial: USB Serial support registered for KOBIL USB smart card terminal [ 10.914090][ T1] usbcore: registered new interface driver mct_u232 [ 10.914695][ T1] usbserial: USB Serial support registered for MCT U232 [ 10.916054][ T1] usbcore: registered new interface driver metro_usb [ 10.923599][ T1] usbserial: USB Serial support registered for Metrologic USB to Serial [ 10.932222][ T1] usbcore: registered new interface driver mos7720 [ 10.933154][ T1] usbserial: USB Serial support registered for Moschip 2 port adapter [ 10.953435][ T1] usbcore: registered new interface driver mos7840 [ 10.954506][ T1] usbserial: USB Serial support registered for Moschip 7840/7820 USB Serial Driver [ 10.970967][ T1] usbcore: registered new interface driver mxuport [ 10.971818][ T1] usbserial: USB Serial support registered for MOXA UPort [ 10.973269][ T1] usbcore: registered new interface driver navman [ 10.974078][ T1] usbserial: USB Serial support registered for navman [ 10.975573][ T1] usbcore: registered new interface driver omninet [ 10.976334][ T1] usbserial: USB Serial support registered for ZyXEL - omni.net usb [ 10.998048][ T1] usbcore: registered new interface driver opticon [ 11.030906][ T1] usbserial: USB Serial support registered for opticon [ 11.032757][ T1] usbcore: registered new interface driver option [ 11.033628][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 11.035093][ T1] usbcore: registered new interface driver oti6858 [ 11.035872][ T1] usbserial: USB Serial support registered for oti6858 [ 11.039154][ T1] usbcore: registered new interface driver pl2303 [ 11.053283][ T1] usbserial: USB Serial support registered for pl2303 [ 11.073733][ T1] usbcore: registered new interface driver qcaux [ 11.074210][ T1] usbserial: USB Serial support registered for qcaux [ 11.084551][ T1] usbcore: registered new interface driver qcserial [ 11.106870][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 11.111943][ T1] usbcore: registered new interface driver quatech2 [ 11.132507][ T1] usbserial: USB Serial support registered for Quatech 2nd gen USB to Serial Driver [ 11.147503][ T1] usbcore: registered new interface driver safe_serial [ 11.208370][ T1] usbserial: USB Serial support registered for safe_serial [ 11.227322][ T1] usbcore: registered new interface driver sierra [ 11.293043][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 11.298688][ T1] usbcore: registered new interface driver usb_serial_simple [ 11.326381][ T1] usbserial: USB Serial support registered for carelink [ 11.326943][ T1] usbserial: USB Serial support registered for flashloader [ 11.327932][ T1] usbserial: USB Serial support registered for funsoft [ 11.328574][ T1] usbserial: USB Serial support registered for google [ 11.329418][ T1] usbserial: USB Serial support registered for hp4x [ 11.330329][ T1] usbserial: USB Serial support registered for kaufmann [ 11.331117][ T1] usbserial: USB Serial support registered for libtransistor [ 11.331895][ T1] usbserial: USB Serial support registered for moto_modem [ 11.332193][ T1] usbserial: USB Serial support registered for motorola_tetra [ 11.332490][ T1] usbserial: USB Serial support registered for nokia [ 11.332824][ T1] usbserial: USB Serial support registered for novatel_gps [ 11.333211][ T1] usbserial: USB Serial support registered for owon [ 11.333843][ T1] usbserial: USB Serial support registered for siemens_mpi [ 11.334632][ T1] usbserial: USB Serial support registered for suunto [ 11.335465][ T1] usbserial: USB Serial support registered for vivopay [ 11.336251][ T1] usbserial: USB Serial support registered for zio [ 11.360601][ T1] usbcore: registered new interface driver spcp8x5 [ 11.370323][ T1] usbserial: USB Serial support registered for SPCP8x5 [ 11.387928][ T1] usbcore: registered new interface driver ssu100 [ 11.417702][ T1] usbserial: USB Serial support registered for Quatech SSU-100 USB to Serial Driver [ 11.443535][ T1] usbcore: registered new interface driver symbolserial [ 11.476312][ T1] usbserial: USB Serial support registered for symbol [ 11.497477][ T1] usbcore: registered new interface driver ti_usb_3410_5052 [ 11.497769][ T1] usbserial: USB Serial support registered for TI USB 3410 1 port adapter [ 11.517973][ T1] usbserial: USB Serial support registered for TI USB 5052 2 port adapter [ 11.522231][ T1] usbcore: registered new interface driver upd78f0730 [ 11.528771][ T1] usbserial: USB Serial support registered for upd78f0730 [ 11.535780][ T1] usbcore: registered new interface driver visor [ 11.570362][ T1] usbserial: USB Serial support registered for Handspring Visor / Palm OS [ 11.571068][ T1] usbserial: USB Serial support registered for Sony Clie 5.0 [ 11.575269][ T1] usbserial: USB Serial support registered for Sony Clie 3.5 [ 11.590673][ T1523] ================================================================== [ 11.590721][ T1523] BUG: KASAN: slab-use-after-free in _raw_spin_lock_irqsave+0x40/0x60 [ 11.590808][ T1523] Read of size 1 at addr ffff888029c00440 by task kworker/u8:18/1523 [ 11.590858][ T1523] [ 11.590914][ T1523] CPU: 1 UID: 0 PID: 1523 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 11.590995][ T1523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 11.591044][ T1523] Call Trace: [ 11.591073][ T1523] [ 11.591106][ T1523] dump_stack_lvl+0xe8/0x150 [ 11.591188][ T1523] print_address_description+0x55/0x1e0 [ 11.591270][ T1523] ? _raw_spin_lock_irqsave+0x40/0x60 [ 11.591342][ T1523] print_report+0x58/0x70 [ 11.591410][ T1523] kasan_report+0x117/0x150 [ 11.591489][ T1523] ? _raw_spin_lock_irqsave+0x40/0x60 [ 11.591571][ T1523] ? rt_mutex_slowunlock+0xbf/0xa20 [ 11.591623][ T1523] __kasan_check_byte+0x2a/0x40 [ 11.591694][ T1523] lock_acquire+0x84/0x350 [ 11.591787][ T1523] ? rcu_is_watching+0x15/0xb0 [ 11.591848][ T1523] _raw_spin_lock_irqsave+0x40/0x60 [ 11.591927][ T1523] ? rt_mutex_slowunlock+0xbf/0xa20 [ 11.591981][ T1523] rt_mutex_slowunlock+0xbf/0xa20 [ 11.592054][ T1523] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 11.592118][ T1523] ? __rcu_read_unlock+0x83/0xe0 [ 11.592201][ T1523] ? rt_spin_unlock+0x160/0x200 [ 11.592313][ T1523] d_alloc_parallel+0x10c0/0x16c0 [ 11.592413][ T1523] ? d_alloc_parallel+0x3cf/0x16c0 [ 11.592499][ T1523] ? __pfx_d_alloc_parallel+0x10/0x10 [ 11.592581][ T1523] ? down_read+0x156/0x200 [ 11.592660][ T1523] ? __pfx_down_read+0x10/0x10 [ 11.592735][ T1523] __lookup_slow+0x82/0x2f0 [ 11.592788][ T1523] lookup_slow+0x53/0x70 [ 11.592853][ T1523] link_path_walk+0xd2a/0x1910 [ 11.592947][ T1523] path_openat+0x23c/0x3850 [ 11.593030][ T1523] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 11.593112][ T1523] ? arch_stack_walk+0x11b/0x150 [ 11.593199][ T1523] ? ret_from_fork_asm+0x1a/0x30 [ 11.593321][ T1523] do_file_open+0x23e/0x4a0 [ 11.593394][ T1523] ? kasan_save_track+0x3e/0x80 [ 11.593416][ T1523] ? __kasan_slab_alloc+0x6c/0x80 [ 11.593438][ T1523] ? kmem_cache_alloc_noprof+0x355/0x650 [ 11.593505][ T1523] ? __pfx_do_file_open+0x10/0x10 [ 11.593612][ T1523] ? do_open_execat+0xad/0x590 [ 11.593692][ T1523] do_open_execat+0x12b/0x590 [ 11.593768][ T1523] ? rcu_is_watching+0x15/0xb0 [ 11.593820][ T1523] ? __pfx_do_open_execat+0x10/0x10 [ 11.593890][ T1523] ? kmem_cache_alloc_noprof+0x3bd/0x650 [ 11.593957][ T1523] ? do_getname_kernel+0x54/0x230 [ 11.594010][ T1523] ? do_getname_kernel+0x97/0x230 [ 11.594077][ T1523] alloc_bprm+0x24/0x640 [ 11.594151][ T1523] kernel_execve+0x85/0x9c0 [ 11.594250][ T1523] call_usermodehelper_exec_async+0x212/0x360 [ 11.594340][ T1523] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 11.594438][ T1523] ret_from_fork+0x514/0xb70 [ 11.594511][ T1523] ? __pfx_ret_from_fork+0x10/0x10 [ 11.594583][ T1523] ? __switch_to+0xc89/0x1420 [ 11.594606][ T1523] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 11.594640][ T1523] ret_from_fork_asm+0x1a/0x30 [ 11.594677][ T1523] [ 11.594685][ T1523] [ 11.594699][ T1523] Allocated by task 1506: [ 11.594735][ T1523] kasan_save_track+0x3e/0x80 [ 11.594794][ T1523] __kasan_slab_alloc+0x6c/0x80 [ 11.594843][ T1523] kmem_cache_alloc_lru_noprof+0x353/0x650 [ 11.594897][ T1523] __d_alloc+0x37/0x6f0 [ 11.594927][ T1523] d_alloc_parallel+0xde/0x16c0 [ 11.594997][ T1523] __lookup_slow+0x82/0x2f0 [ 11.595049][ T1523] lookup_slow+0x53/0x70 [ 11.595109][ T1523] link_path_walk+0xd2a/0x1910 [ 11.595169][ T1523] path_openat+0x23c/0x3850 [ 11.595246][ T1523] do_file_open+0x23e/0x4a0 [ 11.595308][ T1523] do_open_execat+0x12b/0x590 [ 11.595369][ T1523] alloc_bprm+0x24/0x640 [ 11.595439][ T1523] kernel_execve+0x85/0x9c0 [ 11.595506][ T1523] call_usermodehelper_exec_async+0x212/0x360 [ 11.595587][ T1523] ret_from_fork+0x514/0xb70 [ 11.595647][ T1523] ret_from_fork_asm+0x1a/0x30 [ 11.595717][ T1523] [ 11.595728][ T1523] Freed by task 29: [ 11.595751][ T1523] kasan_save_track+0x3e/0x80 [ 11.595803][ T1523] kasan_save_free_info+0x40/0x50 [ 11.595882][ T1523] __kasan_slab_free+0x5c/0x80 [ 11.595940][ T1523] kmem_cache_free+0x187/0x6c0 [ 11.595993][ T1523] rcu_cpu_kthread+0x950/0x1480 [ 11.596072][ T1523] smpboot_thread_fn+0x57c/0xa80 [ 11.596129][ T1523] kthread+0x388/0x470 [ 11.596199][ T1523] ret_from_fork+0x514/0xb70 [ 11.596271][ T1523] ret_from_fork_asm+0x1a/0x30 [ 11.596343][ T1523] [ 11.596362][ T1523] Last potentially related work creation: [ 11.596382][ T1523] kasan_save_stack+0x3e/0x60 [ 11.596433][ T1523] kasan_record_aux_stack+0xbd/0xd0 [ 11.596513][ T1523] call_rcu+0xee/0x8b0 [ 11.596563][ T1523] dentry_kill+0x4d3/0x880 [ 11.596636][ T1523] finish_dput+0x1a/0x260 [ 11.596688][ T1523] step_into_slowpath+0x4cc/0x820 [ 11.596716][ T1523] link_path_walk+0xd5e/0x1910 [ 11.596719][ T1523] path_openat+0x23c/0x3850 [ 11.596719][ T1523] do_file_open+0x23e/0x4a0 [ 11.596719][ T1523] do_open_execat+0x12b/0x590 [ 11.596719][ T1523] alloc_bprm+0x24/0x640 [ 11.596719][ T1523] kernel_execve+0x85/0x9c0 [ 11.596719][ T1523] call_usermodehelper_exec_async+0x212/0x360 [ 11.596719][ T1523] ret_from_fork+0x514/0xb70 [ 11.596719][ T1523] ret_from_fork_asm+0x1a/0x30 [ 11.596719][ T1523] [ 11.596719][ T1523] The buggy address belongs to the object at ffff888029c00370 [ 11.596719][ T1523] which belongs to the cache dentry of size 376 [ 11.596719][ T1523] The buggy address is located 208 bytes inside of [ 11.596719][ T1523] freed 376-byte region [ffff888029c00370, ffff888029c004e8) [ 11.596719][ T1523] [ 11.596719][ T1523] The buggy address belongs to the physical page: [ 11.596719][ T1523] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x29c00 [ 11.596719][ T1523] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.596719][ T1523] flags: 0x80000000000040(head|node=0|zone=1) [ 11.596719][ T1523] page_type: f5(slab) [ 11.596719][ T1523] raw: 0080000000000040 ffff88801be87640 dead000000000100 dead000000000122 [ 11.596719][ T1523] raw: 0000000000000000 0000000800120012 00000000f5000000 0000000000000000 [ 11.596719][ T1523] head: 0080000000000040 ffff88801be87640 dead000000000100 dead000000000122 [ 11.596719][ T1523] head: 0000000000000000 0000000800120012 00000000f5000000 0000000000000000 [ 11.596719][ T1523] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 11.596719][ T1523] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 11.596719][ T1523] page dumped because: kasan: bad access detected [ 11.596719][ T1523] page_owner tracks the page as allocated [ 11.596719][ T1523] 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 1461, tgid 1461 (kworker/u8:15), ts 11254937000, free_ts 0 [ 11.596719][ T1523] post_alloc_hook+0x1f9/0x250 [ 11.596719][ T1523] get_page_from_freelist+0x2639/0x26b0 [ 11.596719][ T1523] __alloc_frozen_pages_noprof+0x18d/0x380 [ 11.596719][ T1523] allocate_slab+0x79/0x5e0 [ 11.596719][ T1523] refill_objects+0x2d8/0x350 [ 11.596719][ T1523] __pcs_replace_empty_main+0x330/0x690 [ 11.596719][ T1523] kmem_cache_alloc_lru_noprof+0x44b/0x650 [ 11.596719][ T1523] __d_alloc+0x37/0x6f0 [ 11.596719][ T1523] d_alloc_parallel+0xde/0x16c0 [ 11.596719][ T1523] __lookup_slow+0x82/0x2f0 [ 11.596719][ T1523] lookup_slow+0x53/0x70 [ 11.596719][ T1523] link_path_walk+0xd2a/0x1910 [ 11.596719][ T1523] path_openat+0x23c/0x3850 [ 11.596719][ T1523] do_file_open+0x23e/0x4a0 [ 11.596719][ T1523] do_open_execat+0x12b/0x590 [ 11.596719][ T1523] alloc_bprm+0x24/0x640 [ 11.596719][ T1523] page_owner free stack trace missing [ 11.596719][ T1523] [ 11.596719][ T1523] Memory state around the buggy address: [ 11.596719][ T1523] ffff888029c00300: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb [ 11.596719][ T1523] ffff888029c00380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.596719][ T1523] >ffff888029c00400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.596719][ T1523] ^ [ 11.596719][ T1523] ffff888029c00480: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc [ 11.596719][ T1523] ffff888029c00500: fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb [ 11.596719][ T1523] ================================================================== [ 11.596719][ T1523] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 11.596719][ T1523] CPU: 1 UID: 0 PID: 1523 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 11.596719][ T1523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 11.596719][ T1523] Call Trace: [ 11.596719][ T1523] [ 11.596719][ T1523] vpanic+0x56c/0xa60 [ 11.596719][ T1523] ? __pfx_vpanic+0x10/0x10 [ 11.596719][ T1523] panic+0xc5/0xd0 [ 11.596719][ T1523] ? __pfx_panic+0x10/0x10 [ 11.596719][ T1523] ? _raw_spin_lock_irqsave+0x40/0x60 [ 11.596719][ T1523] ? rcu_is_watching+0x15/0xb0 [ 11.596719][ T1523] ? _raw_spin_lock_irqsave+0x40/0x60 [ 11.596719][ T1523] ? _raw_spin_lock_irqsave+0x40/0x60 [ 11.596719][ T1523] check_panic_on_warn+0x89/0xb0 [ 11.596719][ T1523] ? _raw_spin_lock_irqsave+0x40/0x60 [ 11.596719][ T1523] end_report+0x73/0x170 [ 11.596719][ T1523] ? _raw_spin_lock_irqsave+0x40/0x60 [ 11.596719][ T1523] kasan_report+0x128/0x150 [ 11.596719][ T1523] ? _raw_spin_lock_irqsave+0x40/0x60 [ 11.596719][ T1523] ? rt_mutex_slowunlock+0xbf/0xa20 [ 11.596719][ T1523] __kasan_check_byte+0x2a/0x40 [ 11.596719][ T1523] lock_acquire+0x84/0x350 [ 11.596719][ T1523] ? rcu_is_watching+0x15/0xb0 [ 11.596719][ T1523] _raw_spin_lock_irqsave+0x40/0x60 [ 11.596719][ T1523] ? rt_mutex_slowunlock+0xbf/0xa20 [ 11.596719][ T1523] rt_mutex_slowunlock+0xbf/0xa20 [ 11.596719][ T1523] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 11.596719][ T1523] ? __rcu_read_unlock+0x83/0xe0 [ 11.596719][ T1523] ? rt_spin_unlock+0x160/0x200 [ 11.596719][ T1523] d_alloc_parallel+0x10c0/0x16c0 [ 11.596719][ T1523] ? d_alloc_parallel+0x3cf/0x16c0 [ 11.596719][ T1523] ? __pfx_d_alloc_parallel+0x10/0x10 [ 11.596719][ T1523] ? down_read+0x156/0x200 [ 11.596719][ T1523] ? __pfx_down_read+0x10/0x10 [ 11.596719][ T1523] __lookup_slow+0x82/0x2f0 [ 11.596719][ T1523] lookup_slow+0x53/0x70 [ 11.596719][ T1523] link_path_walk+0xd2a/0x1910 [ 11.596719][ T1523] path_openat+0x23c/0x3850 [ 11.596719][ T1523] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 11.596719][ T1523] ? arch_stack_walk+0x11b/0x150 [ 11.596719][ T1523] ? ret_from_fork_asm+0x1a/0x30 [ 11.596719][ T1523] do_file_open+0x23e/0x4a0 [ 11.596719][ T1523] ? kasan_save_track+0x3e/0x80 [ 11.596719][ T1523] ? __kasan_slab_alloc+0x6c/0x80 [ 11.596719][ T1523] ? kmem_cache_alloc_noprof+0x355/0x650 [ 11.596719][ T1523] ? __pfx_do_file_open+0x10/0x10 [ 11.596719][ T1523] ? do_open_execat+0xad/0x590 [ 11.596719][ T1523] do_open_execat+0x12b/0x590 [ 11.596719][ T1523] ? rcu_is_watching+0x15/0xb0 [ 11.596719][ T1523] ? __pfx_do_open_execat+0x10/0x10 [ 11.596719][ T1523] ? kmem_cache_alloc_noprof+0x3bd/0x650 [ 11.596719][ T1523] ? do_getname_kernel+0x54/0x230 [ 11.596719][ T1523] ? do_getname_kernel+0x97/0x230 [ 11.596719][ T1523] alloc_bprm+0x24/0x640 [ 11.596719][ T1523] kernel_execve+0x85/0x9c0 [ 11.596719][ T1523] call_usermodehelper_exec_async+0x212/0x360 [ 11.596719][ T1523] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 11.596719][ T1523] ret_from_fork+0x514/0xb70 [ 11.596719][ T1523] ? __pfx_ret_from_fork+0x10/0x10 [ 11.596719][ T1523] ? __switch_to+0xc89/0x1420 [ 11.596719][ T1523] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 11.596719][ T1523] ret_from_fork_asm+0x1a/0x30 [ 11.596719][ T1523] [ 11.596719][ T1523] Kernel Offset: disabled