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@10.128.0.208" "pwd"]: exit status 255 ssh: connect to host 10.128.0.208 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 923da4bf-d899-951d-d29f-0e347d20a7e6 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= easerialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-7 port 1 (session ID: fce05e2b1d3e31139a0c2e52412c2a37d69aa1d566378a79b35fb11095f6a795, active connections: 1). rlyser 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 11312531323 cycles [ 0.000013][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000035][ T0] tsc: Detected 2199.998 MHz processor [ 0.003782][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.003831][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.003844][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.003901][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.008864][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.008891][ T0] Using GB pages for direct mapping [ 0.012389][ T0] ACPI: Early table checksum verification disabled [ 0.012414][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.012433][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.012456][ T0] ACPI: FACP 0x00000000BFFFF370 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.012481][ T0] ACPI: DSDT 0x00000000BFFFD900 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.012500][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012516][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012531][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.012551][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.012575][ T0] ACPI: SSDT 0x00000000BFFFF470 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.012594][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.012616][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff370-0xbffff463] [ 0.012624][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd900-0xbffff363] [ 0.012631][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.012639][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.012646][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.012653][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.012660][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff470-0xbffffdef] [ 0.012667][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.012788][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.012799][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.012808][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.012819][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.012831][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.012853][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.012862][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.012957][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.013708][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.306981][ T0] KernelAddressSanitizer initialized (generic) [ 0.307764][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.307799][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.307937][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.307953][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.307962][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.307970][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.307978][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.307998][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.308009][ T0] CPU topo: Max. logical packages: 1 [ 0.308014][ T0] CPU topo: Max. logical nodes: 1 [ 0.308018][ T0] CPU topo: Num. nodes per package: 1 [ 0.308026][ T0] CPU topo: Max. logical dies: 1 [ 0.308031][ T0] CPU topo: Max. dies per package: 1 [ 0.308042][ T0] CPU topo: Max. threads per core: 2 [ 0.308047][ T0] CPU topo: Num. cores per package: 1 [ 0.308051][ T0] CPU topo: Num. threads per package: 2 [ 0.308056][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.308163][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.308173][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.308182][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.308205][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.308212][ T0] Booting paravirtualized kernel on KVM [ 0.308223][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.439049][ T0] Zone ranges: [ 0.439059][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.439074][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.439083][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.439092][ T0] Device empty [ 0.439097][ T0] Movable zone start for each node [ 0.439101][ T0] Early memory node ranges [ 0.439104][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.439112][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.439120][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.439128][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.439138][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.439157][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.439207][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.439447][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.500145][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.563387][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.564107][ T0] percpu: Embedded 72 pages/cpu s254408 r8192 d32312 u1048576 [ 0.564276][ T0] kvm-guest: PV spinlocks enabled [ 0.564286][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.564307][ 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 \ [ 0.564335][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.568643][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.568911][ T0] random: crng init done [ 0.568920][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.569122][ T0] software IO TLB: area num 2. [ 0.596965][ T0] Fallback order for Node 0: 0 1 [ 0.596989][ T0] Fallback order for Node 1: 1 0 [ 0.597005][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.597013][ T0] Policy zone: Normal [ 0.597710][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.597720][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.597730][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.603169][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.284111][ T0] ********************************************************** [ 1.284122][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.284126][ T0] ** ** [ 1.284130][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.284133][ T0] ** via the console, logs, and other interfaces. This ** [ 1.284137][ T0] ** might reduce the security of your system. ** [ 1.284141][ T0] ** ** [ 1.284144][ T0] ** If you see this message and you are not debugging ** [ 1.284148][ T0] ** the kernel, report this immediately to your system ** [ 1.284152][ T0] ** administrator! ** [ 1.284155][ T0] ** ** [ 1.284159][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.284163][ T0] ** ** [ 1.284166][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.284170][ T0] ********************************************************** [ 1.287620][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.416070][ T0] allocated 167772160 bytes of page_ext [ 1.416114][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.431075][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.435387][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 1.446849][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 1.447342][ T0] Kernel/User page tables isolation: enabled [ 1.449741][ T0] Dynamic Preempt: full [ 1.450945][ T0] Running RCU self tests [ 1.450951][ T0] Running RCU synchronous self tests [ 1.450956][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.450960][ T0] rcu: RCU lockdep checking is enabled. [ 1.450963][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.450970][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 1.450977][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.450981][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 1.450985][ T0] rcu: RCU debug extended QS entry/exit. [ 1.450988][ T0] No expedited grace period (rcu_normal_after_boot). [ 1.450991][ T0] Trampoline variant of Tasks RCU enabled. [ 1.450995][ T0] Tracing variant of Tasks RCU enabled. [ 1.450998][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.451004][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.451176][ T0] Running RCU synchronous self tests [ 1.451211][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.617745][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.618879][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.619646][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.621673][ T0] Console: colour VGA+ 80x25 [ 2.053775][ T0] printk: legacy console [ttyS0] enabled [ 2.053788][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.053875][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.053880][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.053885][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.053890][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.053894][ T0] ... CLASSHASH_SIZE: 4096 [ 2.053899][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.053903][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.053908][ T0] ... CHAINHASH_SIZE: 524288 [ 2.053912][ T0] memory used by lock dependency info: 106625 kB [ 2.053919][ T0] memory used for stack traces: 8320 kB [ 2.053925][ T0] per task-struct memory footprint: 1920 bytes [ 2.054255][ T0] ACPI: Core revision 20260408 [ 2.055762][ T0] APIC: Switch to symmetric I/O mode setup [ 2.056636][ T0] x2apic enabled [ 2.064233][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.072413][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.072820][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 2.072878][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 2.073759][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.073766][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 2.073859][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.073880][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.073887][ T0] Spectre V2 : Mitigation: IBRS [ 2.073892][ T0] RETBleed: Mitigation: IBRS [ 2.073896][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.073900][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.073905][ T0] MDS: Mitigation: Clear CPU buffers [ 2.073909][ T0] TAA: Mitigation: Clear CPU buffers [ 2.073913][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.073918][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.073927][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.073949][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.074008][ T0] active return thunk: its_return_thunk [ 2.074025][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.074108][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.074118][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.074127][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.074136][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.074148][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.481182][ T0] pid_max: default: 32768 minimum: 301 [ 2.483368][ T0] landlock: Up and running. [ 2.483383][ T0] Yama: becoming mindful. [ 2.483913][ T0] TOMOYO Linux initialized [ 2.485473][ T0] AppArmor: AppArmor initialized [ 2.489434][ T0] LSM support for eBPF active [ 2.497822][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.501525][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.502098][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.502327][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.505951][ T0] VFS: Finished mounting rootfs on nullfs [ 2.512722][ T0] Running RCU synchronous self tests [ 2.512737][ T0] Running RCU synchronous self tests [ 2.634501][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.640337][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.640509][ T1] signal: max sigframe size: 1776 [ 2.652965][ T1] rcu: Hierarchical SRCU implementation. [ 2.652976][ T1] rcu: Max phase no-delay instances is 1000. [ 2.693535][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.910931][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.915720][ T1] smp: Bringing up secondary CPUs ... [ 2.929173][ T1] smpboot: x86: Booting SMP configuration: [ 2.929185][ T1] .... node #0, CPUs: #1 [ 2.937160][ 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. [ 2.937189][ 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. [ 2.937201][ 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. [ 2.937339][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.937358][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 2.939560][ T1] Memory: 6465952K/8388204K available (167460K kernel code, 29672K rwdata, 39832K rodata, 25508K init, 129260K bss, 1733880K reserved, 0K cma-reserved) [ 2.974985][ T1] devtmpfs: initialized [ 2.976423][ T1] x86/mm: Memory block size: 128MB [ 3.067983][ T1] Running RCU synchronous self tests [ 3.068060][ T1] Running RCU synchronous self tests [ 3.073242][ T1] Running RCU Tasks wait API self tests [ 3.073242][ T1] Running RCU Tasks Trace wait API self tests [ 3.087948][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.087948][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 3.087948][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 3.094706][ T1] xor: automatically using best checksumming function avx [ 3.101638][ T1] PM: RTC time: 19:38:59, date: 2026-06-12 [ 3.121567][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.133622][ T10] Callback from call_rcu_tasks_trace() invoked. [ 3.139264][ T1] audit: initializing netlink subsys (disabled) [ 3.146140][ T38] audit: type=2000 audit(1781293138.873:1): state=initialized audit_enabled=0 res=1 [ 3.152169][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.157876][ T1] cpuidle: using governor menu [ 3.157876][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.168085][ T1] Freeing SMP alternatives memory: 128K [ 3.171305][ T1] dca service started, version 1.12.1 [ 3.171651][ T1] PCI: Using configuration type 1 for base access [ 3.223039][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.223039][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.223039][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.223039][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.278464][ T1] raid6: using avx2x2 recovery algorithm [ 3.278482][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 3.282002][ T1] ACPI: Added _OSI(Module Device) [ 3.282020][ T1] ACPI: Added _OSI(Processor Device) [ 3.282033][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.544046][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.644966][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.677677][ T1] ACPI: Interpreter enabled [ 3.678658][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.678739][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.679538][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.679554][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.701068][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.078913][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.079056][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.079081][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 4.079513][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 4.080439][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 4.143199][ T1] PCI host bridge to bus 0000:00 [ 4.143199][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.143292][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.143292][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.143292][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.143292][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 4.143292][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.143292][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 4.169409][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 4.186237][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 4.191968][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.209590][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 4.221877][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 4.221934][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 4.239081][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 4.252066][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 4.252125][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 4.267557][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 4.292967][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 4.293946][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.303404][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 4.309610][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 4.327931][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.337249][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.337303][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 4.418636][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.437099][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.456421][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.480831][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.499616][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.552985][ T1] iommu: Default domain type: Translated [ 4.552997][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.574411][ T1] SCSI subsystem initialized [ 4.579483][ T1] ACPI: bus type USB registered [ 4.581268][ T1] usbcore: registered new interface driver usbfs [ 4.582137][ T1] usbcore: registered new interface driver hub [ 4.582678][ T1] usbcore: registered new device driver usb [ 4.619567][ T1] mc: Linux media interface: v0.10 [ 4.620079][ T1] videodev: Linux video capture interface: v2.00 [ 4.621739][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.621751][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.622006][ T1] PTP clock support registered [ 4.652485][ T1] EDAC MC: Ver: 3.0.0 [ 4.694254][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.733510][ T1] Bluetooth: Core ver 2.22 [ 4.733816][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.733825][ T1] Bluetooth: HCI device and connection manager initialized [ 4.733952][ T1] Bluetooth: HCI socket layer initialized [ 4.733981][ T1] Bluetooth: L2CAP socket layer initialized [ 4.734131][ T1] Bluetooth: SCO socket layer initialized [ 4.734252][ T1] NET: Registered PF_ATMPVC protocol family [ 4.734261][ T1] NET: Registered PF_ATMSVC protocol family [ 4.734791][ T1] NetLabel: Initializing [ 4.734797][ T1] NetLabel: domain hash size = 128 [ 4.734804][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.735404][ T1] NetLabel: unlabeled traffic allowed by default [ 4.748851][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.752497][ T1] NET: Registered PF_NFC protocol family [ 4.763311][ T1] mctp: management component transport protocol core [ 4.763346][ T1] NET: Registered PF_MCTP protocol family [ 4.765786][ T1] PCI: Using ACPI for IRQ routing [ 4.766535][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.767019][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 4.775606][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.775678][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.775729][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.775855][ T1] vgaarb: loaded [ 4.846840][ T1] clocksource: Switched to clocksource kvm-clock [ 4.901588][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.903653][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 4.926935][ T1] netfs: FS-Cache loaded [ 4.931287][ T1] CacheFiles: Loaded [ 4.933066][ T1] TOMOYO: 2.6.0 [ 4.933078][ T1] Mandatory Access Control activated. [ 4.962863][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.972286][ T1] pnp: PnP ACPI init [ 5.027138][ T1] pnp: PnP ACPI: found 6 devices [ 5.172359][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 5.186853][ T1] NET: Registered PF_INET protocol family [ 5.189855][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 5.219949][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 5.221048][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 5.222179][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 5.274708][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 5.301354][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 5.313867][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 5.326964][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 5.330522][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 5.353004][ T1] RPC: Registered named UNIX socket transport module. [ 5.353026][ T1] RPC: Registered udp transport module. [ 5.353039][ T1] RPC: Registered tcp transport module. [ 5.353051][ T1] RPC: Registered tcp-with-tls transport module. [ 5.353063][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 5.393368][ T1] NET: Registered PF_XDP protocol family [ 5.393684][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 5.393712][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 5.393734][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 5.393756][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 5.434572][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 5.435090][ T1] PCI: CLS 0 bytes, default 64 [ 5.444541][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 5.444569][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 5.482094][ T1] ACPI: bus type thunderbolt registered [ 5.505479][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 5.509824][ T69] kworker/u8:3 (69) used greatest stack depth: 27520 bytes left [ 5.568980][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 5.569016][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 5.569879][ T1] clocksource: Switched to clocksource tsc [ 5.634644][ T85] kworker/u8:2 (85) used greatest stack depth: 27368 bytes left [ 5.662355][ T1] Initialise system trusted keyrings [ 5.674473][ T96] kworker/u8:3 (96) used greatest stack depth: 26536 bytes left [ 5.674781][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 5.703041][ T1] DLM installed [ 5.718781][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.745216][ T1] NFS: Registering the id_resolver key type [ 5.745438][ T1] Key type id_resolver registered [ 5.745454][ T1] Key type id_legacy registered [ 5.745829][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.746058][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.752871][ T1] smbdirect: subsystem loading... [ 5.795480][ T108] kworker/u8:3 (108) used greatest stack depth: 26376 bytes left [ 5.813406][ T1] smbdirect: subsystem loaded [ 5.839442][ T1] Key type cifs.spnego registered [ 5.839835][ T1] Key type cifs.idmap registered [ 5.864601][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.864613][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.865101][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 5.865204][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.867838][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.868037][ T1] QNX4 filesystem 0.2.3 registered. [ 5.868137][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.869444][ T1] fuse: init (API version 7.45) [ 5.881461][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.890378][ T1] orangefs_init: module version upstream loaded [ 5.894715][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.952740][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 5.972134][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.973578][ T1] NILFS version 2 loaded [ 5.973595][ T1] befs: version: 0.9.3 [ 5.980604][ T1] ocfs2: Registered cluster interface o2cb [ 5.988540][ T1] ocfs2: Registered cluster interface user [ 6.008364][ T1] OCFS2 User DLM kernel interface loaded [ 6.059989][ T1] gfs2: GFS2 installed [ 6.086504][ T1] ceph: loaded (mds proto 32) [ 6.106544][ T1] NET: Registered PF_ALG protocol family [ 6.107113][ T1] async_tx: api initialized (async) [ 6.107210][ T1] Key type asymmetric registered [ 6.107300][ T1] Asymmetric key parser 'x509' registered [ 6.107319][ T1] Asymmetric key parser 'pkcs8' registered [ 6.107336][ T1] Key type pkcs7_test registered [ 6.108875][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 6.111205][ T1] io scheduler mq-deadline registered [ 6.111225][ T1] io scheduler kyber registered [ 6.111863][ T1] io scheduler bfq registered [ 6.215405][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 6.219517][ T1] ACPI: button: Power Button [PWRF] [ 6.241682][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 6.254873][ T1] ACPI: button: Sleep Button [SLPF] [ 6.306923][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 6.368117][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 6.368387][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.438765][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 6.438994][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 6.519178][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 6.519358][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 6.576673][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 6.754595][ T259] kworker/u8:3 (259) used greatest stack depth: 26056 bytes left [ 7.854326][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.856430][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.884920][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.928079][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.966860][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 8.001737][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 8.064701][ T1] Non-volatile memory driver v1.3 [ 8.119244][ T1] usbcore: registered new interface driver xillyusb [ 8.138876][ T1] ACPI: bus type drm_connector registered [ 8.157508][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 8.187611][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 8.351824][ T1] Console: switching to colour frame buffer device 128x48 [ 8.414487][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 8.421969][ T1] usbcore: registered new interface driver udl [ 8.452860][ T1] usbcore: registered new interface driver gm12u320 [ 8.457775][ T1] usbcore: registered new interface driver gud [ 8.697942][ T1] brd: module loaded [ 9.310585][ T1] loop: module loaded [ 9.785188][ T1] zram: Added device: zram0 [ 9.823626][ T1] null_blk: disk nullb0 created [ 9.823645][ T1] null_blk: module loaded [ 9.843760][ T1] Guest personality initialized and is inactive [ 9.855651][ T1] VMCI host device registered (name=vmci, major=10, minor=267) [ 9.855675][ T1] Initialized host personality [ 9.856659][ T1] usbcore: registered new interface driver rtsx_usb [ 9.888804][ T1] usbcore: registered new interface driver viperboard [ 9.891527][ T1] usbcore: registered new interface driver dln2 [ 9.911081][ T1] usbcore: registered new interface driver pn533_usb [ 9.934509][ T1] nfcsim 0.2 initialized [ 9.936991][ T1] usbcore: registered new interface driver port100 [ 9.938340][ T1] usbcore: registered new interface driver nfcmrvl [ 9.976745][ T1] Loading iSCSI transport class v2.0-870. [ 10.031838][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 10.085802][ T1] scsi host0: Virtio SCSI HBA [ 10.086445][ T1] blk-mq: reduced tag depth to 10240 [ 10.344586][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 10.387683][ T1030] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 10.523415][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 10.527644][ T1] db_root: cannot open: /etc/target [ 10.534860][ T1] slram: not enough parameters. [ 10.591601][ T1] ftl_cs: FTL header not found. [ 10.811721][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 10.811739][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 10.811754][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 10.889134][ T1] MACsec IEEE 802.1AE [ 10.968688][ T1] usbcore: registered new interface driver mvusb_mdio [ 10.969330][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 11.229446][ T1] vcan: Virtual CAN interface driver [ 11.229504][ T1] vxcan: Virtual CAN Tunnel driver [ 11.229554][ T1] slcan: serial line CAN interface driver [ 11.229614][ T1] CAN device driver interface [ 11.232166][ T1] usbcore: registered new interface driver usb_8dev [ 11.244766][ T1] usbcore: registered new interface driver ems_usb [ 11.251352][ T1] usbcore: registered new interface driver esd_usb [ 11.262854][ T1] usbcore: registered new interface driver etas_es58x [ 11.297468][ T1] usbcore: registered new interface driver f81604 [ 11.299274][ T1] usbcore: registered new interface driver gs_usb [ 11.302040][ T1] usbcore: registered new interface driver kvaser_usb [ 11.308090][ T1] usbcore: registered new interface driver mcba_usb [ 11.319581][ T1] usbcore: registered new interface driver peak_usb [ 11.323306][ T1] usbcore: registered new interface driver ucan [ 11.352042][ T1] e100: Intel(R) PRO/100 Network Driver [ 11.352062][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 11.353182][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 11.353195][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 11.366236][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 11.366279][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 11.406054][ T1] PPP generic driver version 2.4.2 [ 11.411295][ T1] PPP BSD Compression module registered [ 11.411349][ T1] PPP Deflate Compression module registered [ 11.411377][ T1] PPP MPPE Compression module registered [ 11.411397][ T1] NET: Registered PF_PPPOX protocol family [ 11.411566][ T1] PPTP driver version 0.8.5 [ 11.426523][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 11.426604][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 11.426633][ T1] SLIP linefill/keepalive option. [ 11.426715][ T1] hdlc: HDLC support module revision 1.22 [ 11.426949][ T1] LAPB Ethernet driver version 0.02 [ 11.447606][ T1] usbcore: registered new interface driver ath9k_htc [ 11.454464][ T1] usbcore: registered new interface driver carl9170 [ 11.461540][ T1] usbcore: registered new interface driver ath6kl_usb [ 11.469291][ T1] usbcore: registered new interface driver ar5523 [ 11.479586][ T1] usbcore: registered new interface driver ath10k_usb [ 11.492762][ T1] usbcore: registered new interface driver plfxlc [ 11.519732][ T1] mac80211_hwsim: initializing netlink [ 11.785360][ T1] usbcore: registered new interface driver atusb [ 11.870276][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 11.888234][ T1] VMware vmxnet3 virtual NIC driver - version 1.9.0.0-k-NAPI [ 11.891471][ T1] usbcore: registered new interface driver catc [ 11.892313][ T1] usbcore: registered new interface driver kaweth [ 11.892332][ T1] pegasus: Pegasus/Pegasus II USB Ethernet driver [ 11.922632][ T1] usbcore: registered new interface driver pegasus [ 11.932496][ T1] usbcore: registered new interface driver rtl8150 [ 11.932998][ T1] usbcore: registered new device driver r8152-cfgselector [ 11.954026][ T1] usbcore: registered new interface driver r8152 [ 11.957181][ T1] usbcore: registered new interface driver hso [ 11.958047][ T1] usbcore: registered new interface driver lan78xx [ 11.959968][ T1] usbcore: registered new interface driver asix [ 11.961311][ T1] usbcore: registered new interface driver ax88179_178a [ 11.962126][ T1] usbcore: registered new interface driver cdc_ether [ 11.962986][ T1] usbcore: registered new interface driver cdc_eem [ 11.963911][ T1] usbcore: registered new interface driver dm9601 [ 12.023164][ T1] usbcore: registered new interface driver sr9700 [ 12.032789][ T1] usbcore: registered new interface driver CoreChips [ 12.033681][ T1] usbcore: registered new interface driver smsc75xx [ 12.043485][ T1] usbcore: registered new interface driver smsc95xx [ 12.048082][ T1] usbcore: registered new interface driver gl620a [ 12.066596][ T1] usbcore: registered new interface driver net1080 [ 12.068073][ T1] usbcore: registered new interface driver plusb [ 12.068930][ T1] usbcore: registered new interface driver rndis_host [ 12.096422][ T1] usbcore: registered new interface driver cdc_subset [ 12.098026][ T1] usbcore: registered new interface driver zaurus [ 12.099043][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 12.100348][ T1] usbcore: registered new interface driver int51x1 [ 12.101584][ T1] usbcore: registered new interface driver cdc_phonet [ 12.103324][ T1] usbcore: registered new interface driver kalmia [ 12.148092][ T1] usbcore: registered new interface driver ipheth [ 12.148922][ T1] usbcore: registered new interface driver sierra_net [ 12.151026][ T1] usbcore: registered new interface driver cx82310_eth [ 12.151877][ T1] usbcore: registered new interface driver cdc_ncm [ 12.152656][ T1] usbcore: registered new interface driver huawei_cdc_ncm [ 12.180834][ T1] usbcore: registered new interface driver lg-vl600 [ 12.181746][ T1] usbcore: registered new interface driver qmi_wwan [ 12.205018][ T1] usbcore: registered new interface driver cdc_mbim [ 12.205932][ T1] usbcore: registered new interface driver ch9200 [ 12.206746][ T1] usbcore: registered new interface driver aqc111 [ 12.208132][ T1] usbcore: registered new interface driver r8153_ecm [ 12.250390][ T1] VFIO - User Level meta-driver version: 0.3 [ 12.292602][ T1] aoe: AoE v85 initialised. [ 12.371519][ T1] usbcore: registered new interface driver cdc_acm [ 12.371537][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 12.373236][ T1] usbcore: registered new interface driver usblp [ 12.374538][ T1] usbcore: registered new interface driver cdc_wdm [ 12.376930][ T1] usbcore: registered new interface driver usbtmc [ 12.380379][ T1] usbcore: registered new interface driver uas [ 12.382289][ T1] usbcore: registered new interface driver usb-storage [ 12.384836][ T1] usbcore: registered new interface driver ums-alauda [ 12.385746][ T1] usbcore: registered new interface driver ums-cypress [ 12.387059][ T1] usbcore: registered new interface driver ums-datafab [ 12.389875][ T1] usbcore: registered new interface driver ums_eneub6250 [ 12.392279][ T1] usbcore: registered new interface driver ums-freecom [ 12.394659][ T1] usbcore: registered new interface driver ums-isd200 [ 12.396940][ T1] usbcore: registered new interface driver ums-jumpshot [ 12.398914][ T1] usbcore: registered new interface driver ums-karma [ 12.400898][ T1] usbcore: registered new interface driver ums-onetouch [ 12.402400][ T1] usbcore: registered new interface driver ums-realtek [ 12.403168][ T1] usbcore: registered new interface driver ums-sddr09 [ 12.407468][ T1] usbcore: registered new interface driver ums-sddr55 [ 12.410827][ T1] usbcore: registered new interface driver ums-usbat [ 12.413350][ T1] usbcore: registered new interface driver mdc800 [ 12.413392][ T1] mdc800: v0.7.5 (30/10/2000):USB Driver for Mustek MDC800 Digital Camera [ 12.419323][ T1] usbcore: registered new interface driver microtekX6 [ 12.486980][ T1] usbcore: registered new interface driver usbserial_generic [ 12.536169][ T1] usbserial: USB Serial support registered for generic [ 12.538212][ T1] usbcore: registered new interface driver aircable [ 12.539237][ T1] usbserial: USB Serial support registered for aircable [ 12.540956][ T1] usbcore: registered new interface driver ark3116 [ 12.541773][ T1] usbserial: USB Serial support registered for ark3116 [ 12.543298][ T1] usbcore: registered new interface driver belkin_sa [ 12.567159][ T1] usbserial: USB Serial support registered for Belkin / Peracom / GoHubs USB Serial Adapter [ 12.586570][ T1] usbcore: registered new interface driver ch341 [ 12.591543][ T1] usbserial: USB Serial support registered for ch341-uart [ 12.602020][ T1] usbcore: registered new interface driver cp210x [ 12.615382][ T1] usbserial: USB Serial support registered for cp210x [ 12.620611][ T1] usbcore: registered new interface driver cyberjack [ 12.625383][ T1] usbserial: USB Serial support registered for Reiner SCT Cyberjack USB card reader [ 12.626475][ T1] usbcore: registered new interface driver cypress_m8 [ 12.649246][ T1] usbserial: USB Serial support registered for DeLorme Earthmate USB [ 12.652852][ T1] usbserial: USB Serial support registered for HID->COM RS232 Adapter [ 12.663203][ T1] usbserial: USB Serial support registered for Nokia CA-42 V2 Adapter [ 12.668734][ T1] usbcore: registered new interface driver usb_debug [ 12.672291][ T1] usbserial: USB Serial support registered for debug [ 12.673164][ T1] usbserial: USB Serial support registered for xhci_dbc [ 12.695889][ T1] usbcore: registered new interface driver digi_acceleport [ 12.696721][ T1] usbserial: USB Serial support registered for Digi 2 port USB adapter [ 12.702518][ T1] usbserial: USB Serial support registered for Digi 4 port USB adapter [ 12.719787][ T1] usbcore: registered new interface driver io_edgeport [ 12.730014][ T1] usbserial: USB Serial support registered for Edgeport 2 port adapter [ 12.730820][ T1] usbserial: USB Serial support registered for Edgeport 4 port adapter [ 12.736651][ T1] usbserial: USB Serial support registered for Edgeport 8 port adapter [ 12.742883][ T1] usbserial: USB Serial support registered for EPiC device [ 12.748359][ T1] usbcore: registered new interface driver io_ti [ 12.757420][ T1] usbserial: USB Serial support registered for Edgeport TI 1 port adapter [ 12.777948][ T1] usbserial: USB Serial support registered for Edgeport TI 2 port adapter [ 12.781464][ T1] usbcore: registered new interface driver empeg [ 12.796236][ T1] usbserial: USB Serial support registered for empeg [ 12.815984][ T1] usbcore: registered new interface driver f81534a_ctrl [ 12.841874][ T1] usbcore: registered new interface driver f81232 [ 12.843749][ T1] usbserial: USB Serial support registered for f81232 [ 12.858750][ T1] usbserial: USB Serial support registered for f81534a [ 12.859376][ T1] usbcore: registered new interface driver f81534 [ 12.860684][ T1] usbserial: USB Serial support registered for Fintek F81532/F81534 [ 12.861271][ T1] usbcore: registered new interface driver ftdi_sio [ 12.863359][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 12.908106][ T1] usbcore: registered new interface driver garmin_gps [ 12.908505][ T1] usbserial: USB Serial support registered for Garmin GPS usb/tty [ 12.909198][ T1] usbcore: registered new interface driver ipaq [ 12.909541][ T1] usbserial: USB Serial support registered for PocketPC PDA [ 12.910114][ T1] usbcore: registered new interface driver ipw [ 12.911766][ T1] usbserial: USB Serial support registered for IPWireless converter [ 12.912339][ T1] usbcore: registered new interface driver ir_usb [ 12.912666][ T1] usbserial: USB Serial support registered for IR Dongle [ 12.913266][ T1] usbcore: registered new interface driver iuu_phoenix [ 12.986459][ T1] usbserial: USB Serial support registered for iuu_phoenix [ 12.987119][ T1] usbcore: registered new interface driver keyspan [ 12.987472][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 12.988497][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 12.988852][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 12.989593][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 12.990250][ T1] usbcore: registered new interface driver keyspan_pda [ 12.990585][ T1] usbserial: USB Serial support registered for Keyspan PDA [ 12.990940][ T1] usbserial: USB Serial support registered for Keyspan PDA - (prerenumeration) [ 12.991859][ T1] usbcore: registered new interface driver kl5kusb105 [ 12.992476][ T1] usbserial: USB Serial support registered for KL5KUSB105D / PalmConnect [ 12.993759][ T1] usbcore: registered new interface driver kobil_sct [ 13.094647][ T1] usbserial: USB Serial support registered for KOBIL USB smart card terminal [ 13.095267][ T1] usbcore: registered new interface driver mct_u232 [ 13.096425][ T1] usbserial: USB Serial support registered for MCT U232 [ 13.097163][ T1] usbcore: registered new interface driver metro_usb [ 13.097540][ T1] usbserial: USB Serial support registered for Metrologic USB to Serial [ 13.098524][ T1] usbcore: registered new interface driver mos7720 [ 13.098927][ T1] usbserial: USB Serial support registered for Moschip 2 port adapter [ 13.100400][ T1] usbcore: registered new interface driver mos7840 [ 13.100766][ T1] usbserial: USB Serial support registered for Moschip 7840/7820 USB Serial Driver [ 13.101355][ T1] usbcore: registered new interface driver mxuport [ 13.101662][ T1] usbserial: USB Serial support registered for MOXA UPort [ 13.102238][ T1] usbcore: registered new interface driver navman [ 13.102692][ T1] usbserial: USB Serial support registered for navman [ 13.103242][ T1] usbcore: registered new interface driver omninet [ 13.103547][ T1] usbserial: USB Serial support registered for ZyXEL - omni.net usb [ 13.168858][ T1] usbcore: registered new interface driver opticon [ 13.169342][ T1] usbserial: USB Serial support registered for opticon [ 13.240253][ T1] usbcore: registered new interface driver option [ 13.240611][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 13.241823][ T1] usbcore: registered new interface driver oti6858 [ 13.242185][ T1] usbserial: USB Serial support registered for oti6858 [ 13.242702][ T1] usbcore: registered new interface driver pl2303 [ 13.242996][ T1] usbserial: USB Serial support registered for pl2303 [ 13.243526][ T1] usbcore: registered new interface driver qcaux [ 13.243840][ T1] usbserial: USB Serial support registered for qcaux [ 13.302843][ T1] usbcore: registered new interface driver qcserial [ 13.303186][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 13.321598][ T1] usbcore: registered new interface driver quatech2 [ 13.322011][ T1] usbserial: USB Serial support registered for Quatech 2nd gen USB to Serial Driver [ 13.322592][ T1] usbcore: registered new interface driver safe_serial [ 13.322956][ T1] usbserial: USB Serial support registered for safe_serial [ 13.323543][ T1] usbcore: registered new interface driver sierra [ 13.323896][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 13.382871][ T1] usbcore: registered new interface driver usb_serial_simple [ 13.383216][ T1] usbserial: USB Serial support registered for carelink [ 13.383715][ T1] usbserial: USB Serial support registered for flashloader [ 13.407966][ T1] usbserial: USB Serial support registered for funsoft [ 13.408342][ T1] usbserial: USB Serial support registered for google [ 13.408667][ T1] usbserial: USB Serial support registered for hp4x [ 13.410539][ T1] usbserial: USB Serial support registered for kaufmann [ 13.410958][ T1] usbserial: USB Serial support registered for libtransistor [ 13.425106][ T1] usbserial: USB Serial support registered for moto_modem [ 13.425791][ T1] usbserial: USB Serial support registered for motorola_tetra [ 13.441250][ T1] usbserial: USB Serial support registered for nokia [ 13.441624][ T1] usbserial: USB Serial support registered for novatel_gps [ 13.441975][ T1] usbserial: USB Serial support registered for owon [ 13.442285][ T1] usbserial: USB Serial support registered for siemens_mpi [ 13.446692][ T1] usbserial: USB Serial support registered for suunto [ 13.448030][ T1] usbserial: USB Serial support registered for vivopay [ 13.448900][ T1] usbserial: USB Serial support registered for zio [ 13.450563][ T1] usbcore: registered new interface driver spcp8x5 [ 13.451456][ T1] usbserial: USB Serial support registered for SPCP8x5 [ 13.453153][ T1] usbcore: registered new interface driver ssu100 [ 13.454237][ T1] usbserial: USB Serial support registered for Quatech SSU-100 USB to Serial Driver [ 13.456180][ T1] usbcore: registered new interface driver symbolserial [ 13.457086][ T1] usbserial: USB Serial support registered for symbol [ 13.458920][ T1] usbcore: registered new interface driver ti_usb_3410_5052 [ 13.460059][ T1] usbserial: USB Serial support registered for TI USB 3410 1 port adapter [ 13.461037][ T1] usbserial: USB Serial support registered for TI USB 5052 2 port adapter [ 13.463093][ T1] usbcore: registered new interface driver upd78f0730 [ 13.490415][ T1] usbserial: USB Serial support registered for upd78f0730 [ 13.506829][ T1] usbcore: registered new interface driver visor [ 13.531301][ T1] usbserial: USB Serial support registered for Handspring Visor / Palm OS [ 13.532615][ T1] usbserial: USB Serial support registered for Sony Clie 5.0 [ 13.533455][ T1] usbserial: USB Serial support registered for Sony Clie 3.5 [ 13.539037][ T1] usbcore: registered new interface driver wishbone_serial [ 13.547979][ T1] usbserial: USB Serial support registered for wishbone_serial [ 13.550780][ T1] usbcore: registered new interface driver whiteheat [ 13.554423][ T1] usbserial: USB Serial support registered for Connect Tech - WhiteHEAT - (prerenumeration) [ 13.563138][ T1] usbserial: USB Serial support registered for Connect Tech - WhiteHEAT [ 13.612014][ T1] usbcore: registered new interface driver xr_serial [ 13.630043][ T1] usbserial: USB Serial support registered for xr_serial [ 13.634204][ T1] usbcore: registered new interface driver xsens_mt [ 13.637883][ T1] usbserial: USB Serial support registered for xsens_mt [ 13.659229][ T1] usbcore: registered new interface driver adutux [ 13.674437][ T1521] ================================================================== [ 13.674490][ T1521] BUG: KASAN: slab-use-after-free in _raw_spin_lock_irqsave+0x40/0x60 [ 13.674602][ T1521] Read of size 1 at addr ffff8880275accd8 by task kworker/u8:5/1521 [ 13.674655][ T1521] [ 13.674697][ T1521] CPU: 1 UID: 0 PID: 1521 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 13.674777][ T1521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 13.674838][ T1521] Call Trace: [ 13.674870][ T1521] [ 13.674908][ T1521] dump_stack_lvl+0xe8/0x150 [ 13.674992][ T1521] print_address_description+0x55/0x1e0 [ 13.675083][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 13.675158][ T1521] print_report+0x58/0x70 [ 13.675218][ T1521] kasan_report+0x117/0x150 [ 13.675270][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 13.675325][ T1521] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 13.675393][ T1521] __kasan_check_byte+0x2a/0x40 [ 13.675467][ T1521] lock_acquire+0x84/0x350 [ 13.675561][ T1521] ? rcu_is_watching+0x15/0xb0 [ 13.675630][ T1521] _raw_spin_lock_irqsave+0x40/0x60 [ 13.675711][ T1521] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 13.675766][ T1521] rt_mutex_slowunlock+0xbf/0x8b0 [ 13.675842][ T1521] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 13.675914][ T1521] ? __rcu_read_unlock+0x83/0xe0 [ 13.675996][ T1521] ? rt_spin_unlock+0x160/0x200 [ 13.676066][ T1521] d_alloc_parallel+0x103d/0x1630 [ 13.676149][ T1521] ? reacquire_held_locks+0x104/0x190 [ 13.676222][ T1521] ? d_alloc_parallel+0x3c4/0x1630 [ 13.676312][ T1521] ? __pfx_d_alloc_parallel+0x10/0x10 [ 13.676400][ T1521] ? down_read+0x156/0x200 [ 13.676482][ T1521] ? __pfx_down_read+0x10/0x10 [ 13.676565][ T1521] __lookup_slow+0x82/0x2f0 [ 13.676647][ T1521] lookup_slow+0x53/0x70 [ 13.676715][ T1521] link_path_walk+0xd1e/0x18d0 [ 13.676851][ T1521] path_openat+0x22c/0x37e0 [ 13.676995][ T1521] do_file_open+0x23e/0x4a0 [ 13.677077][ T1521] ? kasan_save_track+0x3e/0x80 [ 13.677133][ T1521] ? __kasan_slab_alloc+0x6c/0x80 [ 13.677204][ T1521] ? kmem_cache_alloc_noprof+0x354/0x6c0 [ 13.677277][ T1521] ? __pfx_do_file_open+0x10/0x10 [ 13.677412][ T1521] ? do_open_execat+0xad/0x590 [ 13.677495][ T1521] do_open_execat+0x12b/0x590 [ 13.677567][ T1521] ? rcu_is_watching+0x15/0xb0 [ 13.677629][ T1521] ? __pfx_do_open_execat+0x10/0x10 [ 13.677712][ T1521] ? kmem_cache_alloc_noprof+0x3bc/0x6c0 [ 13.677774][ T1521] ? do_getname_kernel+0x54/0x230 [ 13.677837][ T1521] ? do_getname_kernel+0x97/0x230 [ 13.677916][ T1521] alloc_bprm+0x28/0x660 [ 13.677998][ T1521] ? do_getname_kernel+0x183/0x230 [ 13.678062][ T1521] kernel_execve+0x87/0x930 [ 13.678164][ T1521] call_usermodehelper_exec_async+0x212/0x360 [ 13.678259][ T1521] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 13.678359][ T1521] ret_from_fork+0x514/0xb70 [ 13.678437][ T1521] ? __pfx_ret_from_fork+0x10/0x10 [ 13.678519][ T1521] ? __switch_to+0xc79/0x1410 [ 13.678590][ T1521] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 13.678694][ T1521] ret_from_fork_asm+0x1a/0x30 [ 13.678801][ T1521] [ 13.678830][ T1521] [ 13.678841][ T1521] Allocated by task 1534: [ 13.678881][ T1521] kasan_save_track+0x3e/0x80 [ 13.678947][ T1521] __kasan_slab_alloc+0x6c/0x80 [ 13.679008][ T1521] kmem_cache_alloc_lru_noprof+0x354/0x6b0 [ 13.679071][ T1521] __d_alloc+0x37/0x6f0 [ 13.679141][ T1521] d_alloc_parallel+0xe3/0x1630 [ 13.679215][ T1521] __lookup_slow+0x82/0x2f0 [ 13.679284][ T1521] lookup_slow+0x53/0x70 [ 13.679364][ T1521] link_path_walk+0xd1e/0x18d0 [ 13.679421][ T1521] path_openat+0x22c/0x37e0 [ 13.679494][ T1521] do_file_open+0x23e/0x4a0 [ 13.679565][ T1521] do_open_execat+0x12b/0x590 [ 13.679636][ T1521] alloc_bprm+0x28/0x660 [ 13.679717][ T1521] kernel_execve+0x87/0x930 [ 13.679788][ T1521] call_usermodehelper_exec_async+0x212/0x360 [ 13.679880][ T1521] ret_from_fork+0x514/0xb70 [ 13.679954][ T1521] ret_from_fork_asm+0x1a/0x30 [ 13.680036][ T1521] [ 13.680049][ T1521] Freed by task 29: [ 13.680079][ T1521] kasan_save_track+0x3e/0x80 [ 13.680129][ T1521] kasan_save_free_info+0x46/0x50 [ 13.680157][ T1521] __kasan_slab_free+0x5c/0x80 [ 13.680178][ T1521] kmem_cache_free+0x187/0x6c0 [ 13.680202][ T1521] rcu_cpu_kthread+0x99e/0x1470 [ 13.680289][ T1521] smpboot_thread_fn+0x541/0xa50 [ 13.680347][ T1521] kthread+0x388/0x470 [ 13.680404][ T1521] ret_from_fork+0x514/0xb70 [ 13.680483][ T1521] ret_from_fork_asm+0x1a/0x30 [ 13.680565][ T1521] [ 13.680577][ T1521] Last potentially related work creation: [ 13.680598][ T1521] kasan_save_stack+0x3e/0x60 [ 13.680659][ T1521] kasan_record_aux_stack+0xbd/0xd0 [ 13.680741][ T1521] call_rcu+0xee/0x890 [ 13.680794][ T1521] dentry_kill+0x4ed/0x890 [ 13.680884][ T1521] finish_dput+0x1a/0x260 [ 13.680945][ T1521] step_into_slowpath+0x487/0x7e0 [ 13.681016][ T1521] link_path_walk+0xd50/0x18d0 [ 13.681079][ T1521] path_openat+0x22c/0x37e0 [ 13.681132][ T1521] do_file_open+0x23e/0x4a0 [ 13.681207][ T1521] do_open_execat+0x12b/0x590 [ 13.681265][ T1521] alloc_bprm+0x28/0x660 [ 13.681348][ T1521] kernel_execve+0x87/0x930 [ 13.681407][ T1521] call_usermodehelper_exec_async+0x212/0x360 [ 13.681499][ T1521] ret_from_fork+0x514/0xb70 [ 13.681572][ T1521] ret_from_fork_asm+0x1a/0x30 [ 13.681601][ T1521] [ 13.681606][ T1521] The buggy address belongs to the object at ffff8880275acc08 [ 13.681606][ T1521] which belongs to the cache dentry of size 376 [ 13.681655][ T1521] The buggy address is located 208 bytes inside of [ 13.681655][ T1521] freed 376-byte region [ffff8880275acc08, ffff8880275acd80) [ 13.681718][ T1521] [ 13.681736][ T1521] The buggy address belongs to the physical page: [ 13.681802][ T1521] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x275ac [ 13.681885][ T1521] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.681971][ T1521] flags: 0x80000000000040(head|node=0|zone=1) [ 13.682041][ T1521] page_type: f5(slab) [ 13.682104][ T1521] raw: 0080000000000040 ffff88801be8b500 dead000000000100 dead000000000122 [ 13.682162][ T1521] raw: 0000000000000000 0000000800120012 00000000f5000000 0000000000000000 [ 13.682222][ T1521] head: 0080000000000040 ffff88801be8b500 dead000000000100 dead000000000122 [ 13.682274][ T1521] head: 0000000000000000 0000000800120012 00000000f5000000 0000000000000000 [ 13.682335][ T1521] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 13.682392][ T1521] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 13.682425][ T1521] page dumped because: kasan: bad access detected [ 13.682472][ T1521] page_owner tracks the page as allocated [ 13.682493][ T1521] 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 1423, tgid 1423 (kworker/u8:10), ts 12669959586, free_ts 0 [ 13.682594][ T1521] post_alloc_hook+0x1f9/0x250 [ 13.682663][ T1521] get_page_from_freelist+0x265c/0x26e0 [ 13.682737][ T1521] __alloc_frozen_pages_noprof+0x18d/0x380 [ 13.682810][ T1521] allocate_slab+0x76/0x5d0 [ 13.682899][ T1521] refill_objects+0x2d9/0x350 [ 13.682983][ T1521] __pcs_replace_empty_main+0x331/0x690 [ 13.683034][ T1521] kmem_cache_alloc_lru_noprof+0x46b/0x6b0 [ 13.683092][ T1521] __d_alloc+0x37/0x6f0 [ 13.683156][ T1521] d_alloc_parallel+0xe3/0x1630 [ 13.683230][ T1521] __lookup_slow+0x82/0x2f0 [ 13.683292][ T1521] lookup_slow+0x53/0x70 [ 13.683354][ T1521] link_path_walk+0xd1e/0x18d0 [ 13.683411][ T1521] path_openat+0x22c/0x37e0 [ 13.683483][ T1521] do_file_open+0x23e/0x4a0 [ 13.683555][ T1521] do_open_execat+0x12b/0x590 [ 13.683620][ T1521] alloc_bprm+0x28/0x660 [ 13.683692][ T1521] page_owner free stack trace missing [ 13.683713][ T1521] [ 13.683731][ T1521] Memory state around the buggy address: [ 13.683757][ T1521] ffff8880275acb80: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.683806][ T1521] ffff8880275acc00: fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.683850][ T1521] >ffff8880275acc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.683881][ T1521] ^ [ 13.683921][ T1521] ffff8880275acd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.683962][ T1521] ffff8880275acd80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 13.683973][ T1521] ================================================================== [ 13.683978][ T1521] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 13.683978][ T1521] CPU: 1 UID: 0 PID: 1521 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 13.683978][ T1521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 13.683978][ T1521] Call Trace: [ 13.683978][ T1521] [ 13.683978][ T1521] vpanic+0x56c/0xa60 [ 13.683978][ T1521] ? __pfx_vpanic+0x10/0x10 [ 13.683978][ T1521] panic+0xc5/0xd0 [ 13.683978][ T1521] ? __pfx_panic+0x10/0x10 [ 13.683978][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 13.683978][ T1521] ? rcu_is_watching+0x15/0xb0 [ 13.683978][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 13.683978][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 13.683978][ T1521] check_panic_on_warn+0x89/0xb0 [ 13.683978][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 13.683978][ T1521] end_report+0x73/0x170 [ 13.683978][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 13.683978][ T1521] kasan_report+0x128/0x150 [ 13.683978][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 13.683978][ T1521] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 13.683978][ T1521] __kasan_check_byte+0x2a/0x40 [ 13.683978][ T1521] lock_acquire+0x84/0x350 [ 13.683978][ T1521] ? rcu_is_watching+0x15/0xb0 [ 13.683978][ T1521] _raw_spin_lock_irqsave+0x40/0x60 [ 13.683978][ T1521] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 13.683978][ T1521] rt_mutex_slowunlock+0xbf/0x8b0 [ 13.683978][ T1521] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 13.683978][ T1521] ? __rcu_read_unlock+0x83/0xe0 [ 13.683978][ T1521] ? rt_spin_unlock+0x160/0x200 [ 13.683978][ T1521] d_alloc_parallel+0x103d/0x1630 [ 13.683978][ T1521] ? reacquire_held_locks+0x104/0x190 [ 13.683978][ T1521] ? d_alloc_parallel+0x3c4/0x1630 [ 13.683978][ T1521] ? __pfx_d_alloc_parallel+0x10/0x10 [ 13.683978][ T1521] ? down_read+0x156/0x200 [ 13.683978][ T1521] ? __pfx_down_read+0x10/0x10 [ 13.683978][ T1521] __lookup_slow+0x82/0x2f0 [ 13.683978][ T1521] lookup_slow+0x53/0x70 [ 13.683978][ T1521] link_path_walk+0xd1e/0x18d0 [ 13.683978][ T1521] path_openat+0x22c/0x37e0 [ 13.683978][ T1521] do_file_open+0x23e/0x4a0 [ 13.683978][ T1521] ? kasan_save_track+0x3e/0x80 [ 13.683978][ T1521] ? __kasan_slab_alloc+0x6c/0x80 [ 13.683978][ T1521] ? kmem_cache_alloc_noprof+0x354/0x6c0 [ 13.683978][ T1521] ? __pfx_do_file_open+0x10/0x10 [ 13.683978][ T1521] ? do_open_execat+0xad/0x590 [ 13.683978][ T1521] do_open_execat+0x12b/0x590 [ 13.683978][ T1521] ? rcu_is_watching+0x15/0xb0 [ 13.683978][ T1521] ? __pfx_do_open_execat+0x10/0x10 [ 13.683978][ T1521] ? kmem_cache_alloc_noprof+0x3bc/0x6c0 [ 13.683978][ T1521] ? do_getname_kernel+0x54/0x230 [ 13.683978][ T1521] ? do_getname_kernel+0x97/0x230 [ 13.683978][ T1521] alloc_bprm+0x28/0x660 [ 13.683978][ T1521] ? do_getname_kernel+0x183/0x230 [ 13.683978][ T1521] kernel_execve+0x87/0x930 [ 13.683978][ T1521] call_usermodehelper_exec_async+0x212/0x360 [ 13.683978][ T1521] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 13.683978][ T1521] ret_from_fork+0x514/0xb70 [ 13.683978][ T1521] ? __pfx_ret_from_fork+0x10/0x10 [ 13.683978][ T1521] ? __switch_to+0xc79/0x1410 [ 13.683978][ T1521] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 13.683978][ T1521] ret_from_fork_asm+0x1a/0x30 [ 13.683978][ T1521] [ 13.683978][ T1521] Kernel Offset: disabled