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@10.128.0.175" "pwd"]: exit status 255 ssh: connect to host 10.128.0.175 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. serialport: Connected to syzkaller.us-central1-f.ci-upstream-linux-next-kasan-gce-root-1 port 1 (session ID: d5b22cd0d9b16bc73d988ea9c7e37f94f1a4b48b40d4b306277db36c3f1d7138, active connections: 1). SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 1c27233d-b64a-593a-5740-434a2859532f 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 9636431332 cycles [ 0.000013][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000033][ T0] tsc: Detected 2199.998 MHz processor [ 0.003947][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.003999][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.004011][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.004070][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.009068][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.009099][ T0] Using GB pages for direct mapping [ 0.012794][ T0] ACPI: Early table checksum verification disabled [ 0.012820][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.012843][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.012865][ T0] ACPI: FACP 0x00000000BFFFF370 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.012889][ T0] ACPI: DSDT 0x00000000BFFFD900 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.012907][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012921][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012935][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.012953][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.012971][ T0] ACPI: SSDT 0x00000000BFFFF470 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.012988][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.013003][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff370-0xbffff463] [ 0.013011][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd900-0xbffff363] [ 0.013018][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.013025][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.013031][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.013038][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.013044][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff470-0xbffffdef] [ 0.013051][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.013182][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.013192][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.013200][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.013211][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.013224][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.013245][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.013253][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.013311][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.014086][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.313312][ T0] KernelAddressSanitizer initialized (generic) [ 0.314120][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.314158][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.314295][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.314310][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.314320][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.314331][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.314339][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.314358][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.314368][ T0] CPU topo: Max. logical packages: 1 [ 0.314373][ T0] CPU topo: Max. logical nodes: 1 [ 0.314377][ T0] CPU topo: Num. nodes per package: 1 [ 0.314385][ T0] CPU topo: Max. logical dies: 1 [ 0.314389][ T0] CPU topo: Max. dies per package: 1 [ 0.314401][ T0] CPU topo: Max. threads per core: 2 [ 0.314406][ T0] CPU topo: Num. cores per package: 1 [ 0.314410][ T0] CPU topo: Num. threads per package: 2 [ 0.314414][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.314522][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.314532][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.314540][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.314563][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.314570][ T0] Booting paravirtualized kernel on KVM [ 0.314583][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.448414][ T0] Zone ranges: [ 0.448424][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.448437][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.448446][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.448454][ T0] Device empty [ 0.448459][ T0] Movable zone start for each node [ 0.448463][ T0] Early memory node ranges [ 0.448466][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.448474][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.448482][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.448489][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.448499][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.448519][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.448569][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.448863][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.512529][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.575813][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.576551][ T0] percpu: Embedded 72 pages/cpu s254408 r8192 d32312 u1048576 [ 0.576729][ T0] kvm-guest: PV spinlocks enabled [ 0.576740][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.576760][ 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 \ [ 0.576788][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.581267][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.581350][ T0] random: crng init done [ 0.581354][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.581560][ T0] software IO TLB: area num 2. [ 0.609454][ T0] Fallback order for Node 0: 0 1 [ 0.609475][ T0] Fallback order for Node 1: 1 0 [ 0.609490][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.609498][ T0] Policy zone: Normal [ 0.610182][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.610191][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.610202][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.614606][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.351159][ T0] ********************************************************** [ 1.351171][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.351175][ T0] ** ** [ 1.351178][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.351182][ T0] ** via the console, logs, and other interfaces. This ** [ 1.351186][ T0] ** might reduce the security of your system. ** [ 1.351189][ T0] ** ** [ 1.351193][ T0] ** If you see this message and you are not debugging ** [ 1.351196][ T0] ** the kernel, report this immediately to your system ** [ 1.351200][ T0] ** administrator! ** [ 1.351204][ T0] ** ** [ 1.351207][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.351211][ T0] ** ** [ 1.351215][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.351227][ T0] ********************************************************** [ 1.354684][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.487155][ T0] allocated 167772160 bytes of page_ext [ 1.487203][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.501313][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.505468][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 1.516743][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 1.517232][ T0] Kernel/User page tables isolation: enabled [ 1.519571][ T0] Dynamic Preempt: full [ 1.520770][ T0] Running RCU self tests [ 1.520776][ T0] Running RCU synchronous self tests [ 1.520780][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.520785][ T0] rcu: RCU lockdep checking is enabled. [ 1.520788][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.520794][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 1.520801][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.520805][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 1.520809][ T0] rcu: RCU debug extended QS entry/exit. [ 1.520812][ T0] No expedited grace period (rcu_normal_after_boot). [ 1.520816][ T0] Trampoline variant of Tasks RCU enabled. [ 1.520819][ T0] Tracing variant of Tasks RCU enabled. [ 1.520823][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.520828][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.521008][ T0] Running RCU synchronous self tests [ 1.521043][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.693938][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.695103][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.695145][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.695878][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.697893][ T0] Console: colour VGA+ 80x25 [ 2.128167][ T0] printk: legacy console [ttyS0] enabled [ 2.128179][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.128262][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.128267][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.128271][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.128275][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.128280][ T0] ... CLASSHASH_SIZE: 4096 [ 2.128284][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.128288][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.128293][ T0] ... CHAINHASH_SIZE: 524288 [ 2.128297][ T0] memory used by lock dependency info: 106625 kB [ 2.128302][ T0] memory used for stack traces: 8320 kB [ 2.128306][ T0] per task-struct memory footprint: 1920 bytes [ 2.128646][ T0] ACPI: Core revision 20260408 [ 2.130131][ T0] APIC: Switch to symmetric I/O mode setup [ 2.130870][ T0] x2apic enabled [ 2.135199][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.142466][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.142855][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 2.142903][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 2.143586][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.143592][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 2.143694][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.143713][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.143720][ T0] Spectre V2 : Mitigation: IBRS [ 2.143724][ T0] RETBleed: Mitigation: IBRS [ 2.143727][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.143731][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.143736][ T0] MDS: Mitigation: Clear CPU buffers [ 2.143740][ T0] TAA: Mitigation: Clear CPU buffers [ 2.143743][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.143748][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.143757][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.143778][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.143834][ T0] active return thunk: its_return_thunk [ 2.143850][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.143917][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.143927][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.143935][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.143945][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.143962][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.540842][ T0] pid_max: default: 32768 minimum: 301 [ 2.543032][ T0] landlock: Up and running. [ 2.543041][ T0] Yama: becoming mindful. [ 2.543592][ T0] TOMOYO Linux initialized [ 2.545147][ T0] AppArmor: AppArmor initialized [ 2.548372][ T0] LSM support for eBPF active [ 2.556246][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.559680][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.560194][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.560398][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.563894][ T0] VFS: Finished mounting rootfs on nullfs [ 2.569945][ T0] Running RCU synchronous self tests [ 2.569957][ T0] Running RCU synchronous self tests [ 2.691624][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.692891][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.692891][ T1] signal: max sigframe size: 1776 [ 2.703002][ T1] rcu: Hierarchical SRCU implementation. [ 2.703012][ T1] rcu: Max phase no-delay instances is 1000. [ 2.813031][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.941510][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.942816][ T1] smp: Bringing up secondary CPUs ... [ 2.956405][ T1] smpboot: x86: Booting SMP configuration: [ 2.956417][ T1] .... node #0, CPUs: #1 [ 2.957607][ 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. [ 2.957607][ 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. [ 2.957607][ 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. [ 2.957607][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.973489][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 2.981253][ T1] Memory: 6466332K/8388204K available (167212K kernel code, 29607K rwdata, 39824K rodata, 25508K init, 129248K bss, 1733740K reserved, 0K cma-reserved) [ 2.995077][ T1] devtmpfs: initialized [ 2.997693][ T1] x86/mm: Memory block size: 128MB [ 3.091039][ T1] Running RCU synchronous self tests [ 3.091111][ T1] Running RCU synchronous self tests [ 3.093340][ T1] Running RCU Tasks wait API self tests [ 3.093490][ T1] Running RCU Tasks Trace wait API self tests [ 3.113595][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 3.113743][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 3.116659][ T1] xor: automatically using best checksumming function avx [ 3.129577][ T1] PM: RTC time: 19:57:33, date: 2026-06-20 [ 3.154662][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.165734][ T10] Callback from call_rcu_tasks_trace() invoked. [ 3.165734][ T1] audit: initializing netlink subsys (disabled) [ 3.165734][ T38] audit: type=2000 audit(1781985453.325:1): state=initialized audit_enabled=0 res=1 [ 3.185351][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.185816][ T1] cpuidle: using governor menu [ 3.185816][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.196263][ T1] Freeing SMP alternatives memory: 128K [ 3.202947][ T1] dca service started, version 1.12.1 [ 3.202947][ T1] PCI: Using configuration type 1 for base access [ 3.243194][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.243214][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.243232][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.243244][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.287442][ T1] raid6: using avx2x2 recovery algorithm [ 3.287442][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 3.290003][ T1] ACPI: Added _OSI(Module Device) [ 3.290020][ T1] ACPI: Added _OSI(Processor Device) [ 3.290031][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.553342][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.624529][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.658626][ T1] ACPI: Interpreter enabled [ 3.659700][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.659785][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.660552][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.660567][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.682846][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.060145][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.060289][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.060315][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 4.060757][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 4.061613][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 4.112833][ T1] PCI host bridge to bus 0000:00 [ 4.112853][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.119148][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.119199][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.119240][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.119281][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 4.119332][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.120150][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 4.143999][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 4.159976][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 4.169319][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.182724][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 4.192204][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 4.192260][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 4.206910][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 4.211885][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 4.211947][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 4.230291][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 4.247908][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 4.249028][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.266857][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 4.270969][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 4.285979][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.290661][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.290718][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 4.368078][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.382544][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.395625][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.408493][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.416363][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.463020][ T1] iommu: Default domain type: Translated [ 4.463020][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.476187][ T1] SCSI subsystem initialized [ 4.486983][ T1] ACPI: bus type USB registered [ 4.488741][ T1] usbcore: registered new interface driver usbfs [ 4.489544][ T1] usbcore: registered new interface driver hub [ 4.490039][ T1] usbcore: registered new device driver usb [ 4.502843][ T1] mc: Linux media interface: v0.10 [ 4.505733][ T1] videodev: Linux video capture interface: v2.00 [ 4.507481][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.507495][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.507762][ T1] PTP clock support registered [ 4.525436][ T1] EDAC MC: Ver: 3.0.0 [ 4.538431][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.571966][ T1] Bluetooth: Core ver 2.22 [ 4.572373][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.572384][ T1] Bluetooth: HCI device and connection manager initialized [ 4.572537][ T1] Bluetooth: HCI socket layer initialized [ 4.572578][ T1] Bluetooth: L2CAP socket layer initialized [ 4.572780][ T1] Bluetooth: SCO socket layer initialized [ 4.586530][ T1] NET: Registered PF_ATMPVC protocol family [ 4.587331][ T1] NetLabel: Initializing [ 4.587340][ T1] NetLabel: domain hash size = 128 [ 4.587351][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.588285][ T1] NetLabel: unlabeled traffic allowed by default [ 4.595384][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.607231][ T1] NET: Registered PF_NFC protocol family [ 4.607413][ T1] mctp: management component transport protocol core [ 4.607426][ T1] NET: Registered PF_MCTP protocol family [ 4.608127][ T1] PCI: Using ACPI for IRQ routing [ 4.608592][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.608764][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 4.626795][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.626892][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.626950][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.627122][ T1] vgaarb: loaded [ 4.652876][ T1] clocksource: Switched to clocksource kvm-clock [ 4.654794][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.655037][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 4.673717][ T1] netfs: FS-Cache loaded [ 4.677238][ T1] CacheFiles: Loaded [ 4.682629][ T1] TOMOYO: 2.6.0 [ 4.682642][ T1] Mandatory Access Control activated. [ 4.695674][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.696987][ T1] pnp: PnP ACPI init [ 4.749024][ T1] pnp: PnP ACPI: found 6 devices [ 4.881941][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.884588][ T1] NET: Registered PF_INET protocol family [ 4.887228][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.913771][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 4.914803][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.916044][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.951751][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 4.972727][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.977057][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 4.987313][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 4.994369][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 5.007119][ T1] RPC: Registered named UNIX socket transport module. [ 5.007141][ T1] RPC: Registered udp transport module. [ 5.007152][ T1] RPC: Registered tcp transport module. [ 5.007164][ T1] RPC: Registered tcp-with-tls transport module. [ 5.007176][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 5.027443][ T1] NET: Registered PF_XDP protocol family [ 5.030512][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 5.030541][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 5.030562][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 5.030584][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 5.032834][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 5.033356][ T1] PCI: CLS 0 bytes, default 64 [ 5.035567][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 5.035593][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 5.064387][ T1] ACPI: bus type thunderbolt registered [ 5.086934][ T70] kworker/u8:3 (70) used greatest stack depth: 27600 bytes left [ 5.088220][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 5.137167][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 5.137206][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 5.145470][ T1] clocksource: Switched to clocksource tsc [ 5.158177][ T72] kworker/u8:2 (72) used greatest stack depth: 26936 bytes left [ 5.191318][ T84] kworker/u8:5 (84) used greatest stack depth: 26728 bytes left [ 5.216139][ T1] Initialise system trusted keyrings [ 5.223338][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 5.245362][ T1] DLM installed [ 5.256549][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.274161][ T1] NFS: Registering the id_resolver key type [ 5.274349][ T1] Key type id_resolver registered [ 5.274364][ T1] Key type id_legacy registered [ 5.274701][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.274925][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.294546][ T1] smbdirect: subsystem loading... [ 5.309956][ T1] smbdirect: subsystem loaded [ 5.345575][ T1] Key type cifs.spnego registered [ 5.346009][ T1] Key type cifs.idmap registered [ 5.358093][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.358108][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.358646][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 5.358838][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.362629][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.362919][ T1] QNX4 filesystem 0.2.3 registered. [ 5.363064][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.364686][ T1] fuse: init (API version 7.45) [ 5.385560][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.397560][ T1] orangefs_init: module version upstream loaded [ 5.404061][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.434530][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 5.451655][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.452722][ T1] NILFS version 2 loaded [ 5.452732][ T1] befs: version: 0.9.3 [ 5.453697][ T1] ocfs2: Registered cluster interface o2cb [ 5.454861][ T1] ocfs2: Registered cluster interface user [ 5.456281][ T1] OCFS2 User DLM kernel interface loaded [ 5.532729][ T1] gfs2: GFS2 installed [ 5.558102][ T1] ceph: loaded (mds proto 32) [ 5.585760][ T1] NET: Registered PF_ALG protocol family [ 5.586237][ T1] async_tx: api initialized (async) [ 5.586302][ T1] Key type asymmetric registered [ 5.586392][ T1] Asymmetric key parser 'x509' registered [ 5.586409][ T1] Asymmetric key parser 'pkcs8' registered [ 5.586426][ T1] Key type pkcs7_test registered [ 5.600728][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 5.603366][ T1] io scheduler mq-deadline registered [ 5.603387][ T1] io scheduler kyber registered [ 5.604529][ T1] io scheduler bfq registered [ 5.640329][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 5.643150][ T1] ACPI: button: Power Button [PWRF] [ 5.646945][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 5.656794][ T1] ACPI: button: Sleep Button [SLPF] [ 5.679742][ T176] kworker/u8:3 (176) used greatest stack depth: 26680 bytes left [ 5.703986][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 5.759419][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.759673][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.812165][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.812392][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.871299][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.871482][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.911132][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.028617][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.031753][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.054670][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.090616][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.124016][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.156536][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.221760][ T1] Non-volatile memory driver v1.3 [ 7.268217][ T1] usbcore: registered new interface driver xillyusb [ 7.281759][ T1] ACPI: bus type drm_connector registered [ 7.303186][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 7.328626][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 7.494345][ T1] Console: switching to colour frame buffer device 128x48 [ 7.557282][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 7.563220][ T1] usbcore: registered new interface driver udl [ 7.588862][ T1] usbcore: registered new interface driver gm12u320 [ 7.591140][ T1] usbcore: registered new interface driver gud [ 7.823231][ T1] brd: module loaded [ 8.401996][ T1] loop: module loaded [ 8.871557][ T1] zram: Added device: zram0 [ 8.910342][ T1] null_blk: disk nullb0 created [ 8.910362][ T1] null_blk: module loaded [ 8.923203][ T1] Guest personality initialized and is inactive [ 8.937380][ T1] VMCI host device registered (name=vmci, major=10, minor=267) [ 8.937403][ T1] Initialized host personality [ 8.945849][ T1] usbcore: registered new interface driver rtsx_usb [ 8.966360][ T1] usbcore: registered new interface driver viperboard [ 8.971822][ T1] usbcore: registered new interface driver dln2 [ 8.983145][ T1] usbcore: registered new interface driver pn533_usb [ 9.006986][ T1] nfcsim 0.2 initialized [ 9.008212][ T1] usbcore: registered new interface driver port100 [ 9.012272][ T1] usbcore: registered new interface driver nfcmrvl [ 9.045423][ T1] Loading iSCSI transport class v2.0-870. [ 9.086797][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 9.123173][ T1] scsi host0: Virtio SCSI HBA [ 9.124259][ T1] blk-mq: reduced tag depth to 10240 [ 9.375938][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.429486][ T1032] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 9.525601][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 9.537935][ T1] db_root: cannot open: /etc/target [ 9.554076][ T1] slram: not enough parameters. [ 9.600913][ T1] ftl_cs: FTL header not found. [ 9.919506][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 9.919523][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 9.919538][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 9.982369][ T1] MACsec IEEE 802.1AE [ 10.019502][ T1] usbcore: registered new interface driver mvusb_mdio [ 10.020286][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 10.228683][ T1] vcan: Virtual CAN interface driver [ 10.228740][ T1] vxcan: Virtual CAN Tunnel driver [ 10.228793][ T1] slcan: serial line CAN interface driver [ 10.228856][ T1] CAN device driver interface [ 10.229760][ T1] usbcore: registered new interface driver usb_8dev [ 10.231462][ T1] usbcore: registered new interface driver ems_usb [ 10.232581][ T1] usbcore: registered new interface driver esd_usb [ 10.233437][ T1] usbcore: registered new interface driver etas_es58x [ 10.237248][ T1] usbcore: registered new interface driver f81604 [ 10.297254][ T1] usbcore: registered new interface driver gs_usb [ 10.305454][ T1] usbcore: registered new interface driver kvaser_usb [ 10.307624][ T1] usbcore: registered new interface driver mcba_usb [ 10.324210][ T1] usbcore: registered new interface driver peak_usb [ 10.325690][ T1] usbcore: registered new interface driver ucan [ 10.342327][ T1] e100: Intel(R) PRO/100 Network Driver [ 10.342341][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 10.343286][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 10.343296][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 10.344237][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 10.344246][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 10.398901][ T1] PPP generic driver version 2.4.2 [ 10.401546][ T1] PPP BSD Compression module registered [ 10.401610][ T1] PPP Deflate Compression module registered [ 10.401647][ T1] PPP MPPE Compression module registered [ 10.401667][ T1] NET: Registered PF_PPPOX protocol family [ 10.401836][ T1] PPTP driver version 0.8.5 [ 10.402542][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 10.402555][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 10.402561][ T1] SLIP linefill/keepalive option. [ 10.402598][ T1] hdlc: HDLC support module revision 1.22 [ 10.402677][ T1] LAPB Ethernet driver version 0.02 [ 10.405114][ T1] usbcore: registered new interface driver ath9k_htc [ 10.420175][ T1] usbcore: registered new interface driver carl9170 [ 10.432189][ T1] usbcore: registered new interface driver ath6kl_usb [ 10.456564][ T1] usbcore: registered new interface driver ar5523 [ 10.475121][ T1] usbcore: registered new interface driver ath10k_usb [ 10.488159][ T1] usbcore: registered new interface driver plfxlc [ 10.501346][ T1] mac80211_hwsim: initializing netlink [ 10.721525][ T1] usbcore: registered new interface driver atusb [ 10.823176][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 10.824894][ T1] VMware vmxnet3 virtual NIC driver - version 1.9.0.0-k-NAPI [ 10.826915][ T1] usbcore: registered new interface driver catc [ 10.833017][ T1] usbcore: registered new interface driver kaweth [ 10.833090][ T1] pegasus: Pegasus/Pegasus II USB Ethernet driver [ 10.837209][ T1] usbcore: registered new interface driver pegasus [ 10.840567][ T1] usbcore: registered new interface driver rtl8150 [ 10.844770][ T1] usbcore: registered new device driver r8152-cfgselector [ 10.857183][ T1] usbcore: registered new interface driver r8152 [ 10.875078][ T1] usbcore: registered new interface driver hso [ 10.875948][ T1] usbcore: registered new interface driver lan78xx [ 10.882436][ T1] usbcore: registered new interface driver asix [ 10.884183][ T1] usbcore: registered new interface driver ax88179_178a [ 10.886354][ T1] usbcore: registered new interface driver cdc_ether [ 10.888342][ T1] usbcore: registered new interface driver cdc_eem [ 10.889862][ T1] usbcore: registered new interface driver dm9601 [ 10.903527][ T1] usbcore: registered new interface driver sr9700 [ 10.905352][ T1] usbcore: registered new interface driver CoreChips [ 10.906269][ T1] usbcore: registered new interface driver smsc75xx [ 10.909263][ T1] usbcore: registered new interface driver smsc95xx [ 10.913003][ T1] usbcore: registered new interface driver gl620a [ 10.915249][ T1] usbcore: registered new interface driver net1080 [ 10.917579][ T1] usbcore: registered new interface driver plusb [ 10.998814][ T1] usbcore: registered new interface driver rndis_host [ 10.999635][ T1] usbcore: registered new interface driver cdc_subset [ 11.000456][ T1] usbcore: registered new interface driver zaurus [ 11.001804][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 11.003297][ T1] usbcore: registered new interface driver int51x1 [ 11.004218][ T1] usbcore: registered new interface driver cdc_phonet [ 11.005031][ T1] usbcore: registered new interface driver kalmia [ 11.005816][ T1] usbcore: registered new interface driver ipheth [ 11.006527][ T1] usbcore: registered new interface driver sierra_net [ 11.054169][ T1310] kworker/u8:12 (1310) used greatest stack depth: 25872 bytes left [ 11.080757][ T1] usbcore: registered new interface driver cx82310_eth [ 11.081744][ T1] usbcore: registered new interface driver cdc_ncm [ 11.083289][ T1] usbcore: registered new interface driver huawei_cdc_ncm [ 11.084674][ T1] usbcore: registered new interface driver lg-vl600 [ 11.085432][ T1] usbcore: registered new interface driver qmi_wwan [ 11.086287][ T1] usbcore: registered new interface driver cdc_mbim [ 11.087083][ T1] usbcore: registered new interface driver ch9200 [ 11.119568][ T1] usbcore: registered new interface driver aqc111 [ 11.123040][ T1] usbcore: registered new interface driver r8153_ecm [ 11.175125][ T1] VFIO - User Level meta-driver version: 0.3 [ 11.220330][ T1] aoe: AoE v85 initialised. [ 11.342474][ T1] usbcore: registered new interface driver cdc_acm [ 11.342492][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 11.343322][ T1] usbcore: registered new interface driver usblp [ 11.348399][ T1] usbcore: registered new interface driver cdc_wdm [ 11.353741][ T1] usbcore: registered new interface driver usbtmc [ 11.388318][ T1] usbcore: registered new interface driver uas [ 11.391410][ T1] usbcore: registered new interface driver usb-storage [ 11.392793][ T1] usbcore: registered new interface driver ums-alauda [ 11.398902][ T1] usbcore: registered new interface driver ums-cypress [ 11.402752][ T1] usbcore: registered new interface driver ums-datafab [ 11.429775][ T1] usbcore: registered new interface driver ums_eneub6250 [ 11.436026][ T1] usbcore: registered new interface driver ums-freecom [ 11.452323][ T1] usbcore: registered new interface driver ums-isd200 [ 11.456579][ T1] usbcore: registered new interface driver ums-jumpshot [ 11.464995][ T1] usbcore: registered new interface driver ums-karma [ 11.478940][ T1] usbcore: registered new interface driver ums-onetouch [ 11.482833][ T1] usbcore: registered new interface driver ums-realtek [ 11.483617][ T1] usbcore: registered new interface driver ums-sddr09 [ 11.486118][ T1] usbcore: registered new interface driver ums-sddr55 [ 11.486948][ T1] usbcore: registered new interface driver ums-usbat [ 11.492472][ T1] usbcore: registered new interface driver mdc800 [ 11.492524][ T1] mdc800: v0.7.5 (30/10/2000):USB Driver for Mustek MDC800 Digital Camera [ 11.501542][ T1] usbcore: registered new interface driver microtekX6 [ 11.550474][ T1] usbcore: registered new interface driver usbserial_generic [ 11.552242][ T1] usbserial: USB Serial support registered for generic [ 11.552867][ T1] usbcore: registered new interface driver aircable [ 11.553221][ T1] usbserial: USB Serial support registered for aircable [ 11.553788][ T1] usbcore: registered new interface driver ark3116 [ 11.554149][ T1] usbserial: USB Serial support registered for ark3116 [ 11.554737][ T1] usbcore: registered new interface driver belkin_sa [ 11.555109][ T1] usbserial: USB Serial support registered for Belkin / Peracom / GoHubs USB Serial Adapter [ 11.555650][ T1] usbcore: registered new interface driver ch341 [ 11.555958][ T1] usbserial: USB Serial support registered for ch341-uart [ 11.556490][ T1] usbcore: registered new interface driver cp210x [ 11.641986][ T1] usbserial: USB Serial support registered for cp210x [ 11.643119][ T1] usbcore: registered new interface driver cyberjack [ 11.662745][ T1] usbserial: USB Serial support registered for Reiner SCT Cyberjack USB card reader [ 11.664225][ T1] usbcore: registered new interface driver cypress_m8 [ 11.665249][ T1] usbserial: USB Serial support registered for DeLorme Earthmate USB [ 11.667309][ T1] usbserial: USB Serial support registered for HID->COM RS232 Adapter [ 11.704276][ T1] usbserial: USB Serial support registered for Nokia CA-42 V2 Adapter [ 11.704951][ T1] usbcore: registered new interface driver usb_debug [ 11.707518][ T1] usbserial: USB Serial support registered for debug [ 11.715536][ T1] usbserial: USB Serial support registered for xhci_dbc [ 11.738819][ T1] usbcore: registered new interface driver digi_acceleport [ 11.742608][ T1] usbserial: USB Serial support registered for Digi 2 port USB adapter [ 11.744354][ T1] usbserial: USB Serial support registered for Digi 4 port USB adapter [ 11.745988][ T1] usbcore: registered new interface driver io_edgeport [ 11.747090][ T1] usbserial: USB Serial support registered for Edgeport 2 port adapter [ 11.766426][ T1] usbserial: USB Serial support registered for Edgeport 4 port adapter [ 11.771261][ T1] usbserial: USB Serial support registered for Edgeport 8 port adapter [ 11.775017][ T1] usbserial: USB Serial support registered for EPiC device [ 11.787724][ T1] usbcore: registered new interface driver io_ti [ 11.810877][ T1] usbserial: USB Serial support registered for Edgeport TI 1 port adapter [ 11.812019][ T1] usbserial: USB Serial support registered for Edgeport TI 2 port adapter [ 11.813605][ T1] usbcore: registered new interface driver empeg [ 11.814563][ T1] usbserial: USB Serial support registered for empeg [ 11.816926][ T1] usbcore: registered new interface driver f81534a_ctrl [ 11.827174][ T1] usbcore: registered new interface driver f81232 [ 11.837587][ T1] usbserial: USB Serial support registered for f81232 [ 11.848571][ T1] usbserial: USB Serial support registered for f81534a [ 11.852932][ T1] usbcore: registered new interface driver f81534 [ 11.883535][ T1] usbserial: USB Serial support registered for Fintek F81532/F81534 [ 11.887389][ T1] usbcore: registered new interface driver ftdi_sio [ 11.906399][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 11.907690][ T1] usbcore: registered new interface driver garmin_gps [ 11.927329][ T1] usbserial: USB Serial support registered for Garmin GPS usb/tty [ 11.939364][ T1] usbcore: registered new interface driver ipaq [ 11.968916][ T1] usbserial: USB Serial support registered for PocketPC PDA [ 11.969490][ T1] usbcore: registered new interface driver ipw [ 11.970550][ T1] usbserial: USB Serial support registered for IPWireless converter [ 11.972595][ T1] usbcore: registered new interface driver ir_usb [ 11.972955][ T1] usbserial: USB Serial support registered for IR Dongle [ 11.973560][ T1] usbcore: registered new interface driver iuu_phoenix [ 11.973900][ T1] usbserial: USB Serial support registered for iuu_phoenix [ 11.974789][ T1] usbcore: registered new interface driver keyspan [ 11.975176][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 11.975510][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 12.054837][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 12.055262][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 12.055891][ T1] usbcore: registered new interface driver keyspan_pda [ 12.056225][ T1] usbserial: USB Serial support registered for Keyspan PDA [ 12.056551][ T1] usbserial: USB Serial support registered for Keyspan PDA - (prerenumeration) [ 12.057138][ T1] usbcore: registered new interface driver kl5kusb105 [ 12.057479][ T1] usbserial: USB Serial support registered for KL5KUSB105D / PalmConnect [ 12.113664][ T1] usbcore: registered new interface driver kobil_sct [ 12.114000][ T1] usbserial: USB Serial support registered for KOBIL USB smart card terminal [ 12.114615][ T1] usbcore: registered new interface driver mct_u232 [ 12.116485][ T1] usbserial: USB Serial support registered for MCT U232 [ 12.117653][ T1] usbcore: registered new interface driver metro_usb [ 12.155041][ T1] usbserial: USB Serial support registered for Metrologic USB to Serial [ 12.155710][ T1] usbcore: registered new interface driver mos7720 [ 12.174172][ T1] usbserial: USB Serial support registered for Moschip 2 port adapter [ 12.174802][ T1] usbcore: registered new interface driver mos7840 [ 12.175158][ T1] usbserial: USB Serial support registered for Moschip 7840/7820 USB Serial Driver [ 12.176404][ T1] usbcore: registered new interface driver mxuport [ 12.176767][ T1] usbserial: USB Serial support registered for MOXA UPort [ 12.177339][ T1] usbcore: registered new interface driver navman [ 12.223599][ T1] usbserial: USB Serial support registered for navman [ 12.224233][ T1] usbcore: registered new interface driver omninet [ 12.224574][ T1] usbserial: USB Serial support registered for ZyXEL - omni.net usb [ 12.225192][ T1] usbcore: registered new interface driver opticon [ 12.225530][ T1] usbserial: USB Serial support registered for opticon [ 12.226169][ T1] usbcore: registered new interface driver option [ 12.226502][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 12.227058][ T1] usbcore: registered new interface driver oti6858 [ 12.227367][ T1] usbserial: USB Serial support registered for oti6858 [ 12.258052][ T1] usbcore: registered new interface driver pl2303 [ 12.258689][ T1] usbserial: USB Serial support registered for pl2303 [ 12.261367][ T1] usbcore: registered new interface driver qcaux [ 12.262244][ T1] usbserial: USB Serial support registered for qcaux [ 12.263780][ T1] usbcore: registered new interface driver qcserial [ 12.264595][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 12.265163][ T1] usbcore: registered new interface driver quatech2 [ 12.268096][ T1] usbserial: USB Serial support registered for Quatech 2nd gen USB to Serial Driver [ 12.271420][ T1] usbcore: registered new interface driver safe_serial [ 12.272431][ T1] usbserial: USB Serial support registered for safe_serial [ 12.274130][ T1] usbcore: registered new interface driver sierra [ 12.275001][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 12.276595][ T1] usbcore: registered new interface driver usb_serial_simple [ 12.278976][ T1] usbserial: USB Serial support registered for carelink [ 12.279892][ T1] usbserial: USB Serial support registered for flashloader [ 12.280582][ T1] usbserial: USB Serial support registered for funsoft [ 12.281369][ T1] usbserial: USB Serial support registered for google [ 12.282070][ T1] usbserial: USB Serial support registered for hp4x [ 12.282412][ T1] usbserial: USB Serial support registered for kaufmann [ 12.282716][ T1] usbserial: USB Serial support registered for libtransistor [ 12.283024][ T1] usbserial: USB Serial support registered for moto_modem [ 12.332871][ T1] usbserial: USB Serial support registered for motorola_tetra [ 12.333877][ T1] usbserial: USB Serial support registered for nokia [ 12.352282][ T1] usbserial: USB Serial support registered for novatel_gps [ 12.377259][ T1] usbserial: USB Serial support registered for owon [ 12.389155][ T1] usbserial: USB Serial support registered for siemens_mpi [ 12.389936][ T1] usbserial: USB Serial support registered for suunto [ 12.398478][ T1] usbserial: USB Serial support registered for vivopay [ 12.409554][ T1] usbserial: USB Serial support registered for zio [ 12.419112][ T1] usbcore: registered new interface driver spcp8x5 [ 12.426891][ T1] usbserial: USB Serial support registered for SPCP8x5 [ 12.447423][ T1] usbcore: registered new interface driver ssu100 [ 12.448658][ T1] usbserial: USB Serial support registered for Quatech SSU-100 USB to Serial Driver [ 12.451973][ T1] usbcore: registered new interface driver symbolserial [ 12.456157][ T1] usbserial: USB Serial support registered for symbol [ 12.459941][ T1] usbcore: registered new interface driver ti_usb_3410_5052 [ 12.474277][ T1] usbserial: USB Serial support registered for TI USB 3410 1 port adapter [ 12.500029][ T1] usbserial: USB Serial support registered for TI USB 5052 2 port adapter [ 12.520515][ T1] usbcore: registered new interface driver upd78f0730 [ 12.521509][ T1] usbserial: USB Serial support registered for upd78f0730 [ 12.534263][ T1] usbcore: registered new interface driver visor [ 12.535258][ T1] usbserial: USB Serial support registered for Handspring Visor / Palm OS [ 12.551505][ T1] usbserial: USB Serial support registered for Sony Clie 5.0 [ 12.554879][ T1] usbserial: USB Serial support registered for Sony Clie 3.5 [ 12.569785][ T1] usbcore: registered new interface driver wishbone_serial [ 12.584647][ T1] usbserial: USB Serial support registered for wishbone_serial [ 12.593797][ T1] usbcore: registered new interface driver whiteheat [ 12.608690][ T1] usbserial: USB Serial support registered for Connect Tech - WhiteHEAT - (prerenumeration) [ 12.613345][ T1] usbserial: USB Serial support registered for Connect Tech - WhiteHEAT [ 12.621054][ T1] usbcore: registered new interface driver xr_serial [ 12.626104][ T1] usbserial: USB Serial support registered for xr_serial [ 12.633301][ T1] usbcore: registered new interface driver xsens_mt [ 12.642729][ T1] usbserial: USB Serial support registered for xsens_mt [ 12.657232][ T1] usbcore: registered new interface driver adutux [ 12.672632][ T1] usbcore: registered new interface driver appledisplay [ 12.695307][ T1] usbcore: registered new interface driver cypress_cy7c63 [ 12.700776][ T1] usbcore: registered new interface driver cytherm [ 12.711717][ T1] usbcore: registered new interface driver emi26 - firmware loader [ 12.729309][ T1521] ================================================================== [ 12.729325][ T1521] BUG: KASAN: slab-use-after-free in _raw_spin_lock_irqsave+0x40/0x60 [ 12.729363][ T1521] Read of size 1 at addr ffff888026ff53b8 by task kworker/u8:7/1521 [ 12.729382][ T1521] [ 12.729414][ T1521] CPU: 1 UID: 0 PID: 1521 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 12.729445][ T1521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 12.729465][ T1521] Call Trace: [ 12.729477][ T1521] [ 12.729490][ T1521] dump_stack_lvl+0xe8/0x150 [ 12.729520][ T1521] print_address_description+0x55/0x1e0 [ 12.729551][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 12.729586][ T1521] print_report+0x58/0x70 [ 12.729611][ T1521] kasan_report+0x117/0x150 [ 12.729640][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 12.729672][ T1521] ? rt_mutex_slowunlock+0xbf/0xa20 [ 12.729694][ T1521] __kasan_check_byte+0x2a/0x40 [ 12.729720][ T1521] lock_acquire+0x84/0x350 [ 12.729753][ T1521] ? rcu_is_watching+0x15/0xb0 [ 12.729774][ T1521] _raw_spin_lock_irqsave+0x40/0x60 [ 12.729801][ T1521] ? rt_mutex_slowunlock+0xbf/0xa20 [ 12.729822][ T1521] rt_mutex_slowunlock+0xbf/0xa20 [ 12.729847][ T1521] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 12.729872][ T1521] ? __rcu_read_unlock+0x83/0xe0 [ 12.729900][ T1521] ? rt_spin_unlock+0x160/0x200 [ 12.729923][ T1521] d_alloc_parallel+0x10c0/0x16c0 [ 12.729939][ T1] usbcore: registered new interface driver emi62 - firmware loader [ 12.729958][ T1521] ? d_alloc_parallel+0x3cf/0x16c0 [ 12.729987][ T1521] ? __pfx_d_alloc_parallel+0x10/0x10 [ 12.730017][ T1521] ? down_read+0x156/0x200 [ 12.730046][ T1521] ? __pfx_down_read+0x10/0x10 [ 12.730077][ T1521] __lookup_slow+0x82/0x2f0 [ 12.730104][ T1521] lookup_slow+0x53/0x70 [ 12.730129][ T1521] link_path_walk+0xd2a/0x1910 [ 12.730164][ T1521] path_openat+0x23c/0x3850 [ 12.730193][ T1521] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 12.730222][ T1521] ? arch_stack_walk+0x11b/0x150 [ 12.730257][ T1521] ? ret_from_fork_asm+0x1a/0x30 [ 12.730298][ T1521] do_file_open+0x23e/0x4a0 [ 12.730325][ T1521] ? kasan_save_track+0x3e/0x80 [ 12.730346][ T1521] ? __kasan_slab_alloc+0x6c/0x80 [ 12.730369][ T1521] ? kmem_cache_alloc_noprof+0x355/0x650 [ 12.730375][ T1] usbcore: registered new device driver apple-mfi-fastcharge [ 12.730395][ T1521] ? __pfx_do_file_open+0x10/0x10 [ 12.730439][ T1521] ? do_open_execat+0xad/0x590 [ 12.730468][ T1521] do_open_execat+0x12b/0x590 [ 12.730493][ T1521] ? rcu_is_watching+0x15/0xb0 [ 12.730511][ T1521] ? __pfx_do_open_execat+0x10/0x10 [ 12.730536][ T1521] ? kmem_cache_alloc_noprof+0x3bd/0x650 [ 12.730558][ T1521] ? do_getname_kernel+0x54/0x230 [ 12.730588][ T1521] ? do_getname_kernel+0x97/0x230 [ 12.730614][ T1521] alloc_bprm+0x24/0x640 [ 12.730643][ T1521] kernel_execve+0x85/0x9c0 [ 12.730675][ T1521] call_usermodehelper_exec_async+0x212/0x360 [ 12.730709][ T1521] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.730743][ T1521] ret_from_fork+0x514/0xb70 [ 12.730772][ T1521] ? __pfx_ret_from_fork+0x10/0x10 [ 12.730799][ T1521] ? __switch_to+0xc89/0x1420 [ 12.730823][ T1521] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.730858][ T1521] ret_from_fork_asm+0x1a/0x30 [ 12.730896][ T1521] [ 12.730904][ T1521] [ 12.730916][ T1521] Allocated by task 1518: [ 12.730933][ T1521] kasan_save_track+0x3e/0x80 [ 12.730954][ T1521] __kasan_slab_alloc+0x6c/0x80 [ 12.730977][ T1521] kmem_cache_alloc_lru_noprof+0x353/0x650 [ 12.730998][ T1521] __d_alloc+0x37/0x6f0 [ 12.731021][ T1521] d_alloc_parallel+0xde/0x16c0 [ 12.731046][ T1521] __lookup_slow+0x82/0x2f0 [ 12.731066][ T1521] lookup_slow+0x53/0x70 [ 12.731086][ T1521] link_path_walk+0xd2a/0x1910 [ 12.731106][ T1521] path_openat+0x23c/0x3850 [ 12.731131][ T1521] do_file_open+0x23e/0x4a0 [ 12.731156][ T1521] do_open_execat+0x12b/0x590 [ 12.731178][ T1521] alloc_bprm+0x24/0x640 [ 12.731202][ T1521] kernel_execve+0x85/0x9c0 [ 12.731226][ T1521] call_usermodehelper_exec_async+0x212/0x360 [ 12.731256][ T1521] ret_from_fork+0x514/0xb70 [ 12.731279][ T1521] ret_from_fork_asm+0x1a/0x30 [ 12.731305][ T1521] [ 12.731310][ T1521] Freed by task 21: [ 12.731319][ T1521] kasan_save_track+0x3e/0x80 [ 12.731338][ T1521] kasan_save_free_info+0x40/0x50 [ 12.731366][ T1521] __kasan_slab_free+0x5c/0x80 [ 12.731388][ T1521] kmem_cache_free+0x187/0x6c0 [ 12.731409][ T1521] rcu_cpu_kthread+0x950/0x1480 [ 12.731439][ T1521] smpboot_thread_fn+0x57c/0xa80 [ 12.731459][ T1521] kthread+0x388/0x470 [ 12.731483][ T1521] ret_from_fork+0x514/0xb70 [ 12.731507][ T1521] ret_from_fork_asm+0x1a/0x30 [ 12.731535][ T1521] [ 12.731540][ T1521] Last potentially related work creation: [ 12.731547][ T1521] kasan_save_stack+0x3e/0x60 [ 12.731568][ T1521] kasan_record_aux_stack+0xbd/0xd0 [ 12.731606][ T1521] call_rcu+0xee/0x8b0 [ 12.731624][ T1521] dentry_kill+0x4d3/0x880 [ 12.731652][ T1521] finish_dput+0x1a/0x260 [ 12.731679][ T1521] step_into_slowpath+0x4cc/0x820 [ 12.731702][ T1521] link_path_walk+0xd5e/0x1910 [ 12.731723][ T1521] path_openat+0x23c/0x3850 [ 12.731748][ T1521] do_file_open+0x23e/0x4a0 [ 12.731778][ T1521] do_open_execat+0x12b/0x590 [ 12.731800][ T1521] alloc_bprm+0x24/0x640 [ 12.731825][ T1521] kernel_execve+0x85/0x9c0 [ 12.731848][ T1521] call_usermodehelper_exec_async+0x212/0x360 [ 12.731878][ T1521] ret_from_fork+0x514/0xb70 [ 12.731902][ T1521] ret_from_fork_asm+0x1a/0x30 [ 12.731929][ T1521] [ 12.731934][ T1521] The buggy address belongs to the object at ffff888026ff52e8 [ 12.731934][ T1521] which belongs to the cache dentry of size 376 [ 12.731952][ T1521] The buggy address is located 208 bytes inside of [ 12.731952][ T1521] freed 376-byte region [ffff888026ff52e8, ffff888026ff5460) [ 12.731974][ T1521] [ 12.731980][ T1521] The buggy address belongs to the physical page: [ 12.732003][ T1521] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26ff4 [ 12.732030][ T1521] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.732048][ T1521] flags: 0x80000000000040(head|node=0|zone=1) [ 12.732070][ T1521] page_type: f5(slab) [ 12.732089][ T1521] raw: 0080000000000040 ffff888140413280 dead000000000122 0000000000000000 [ 12.732108][ T1521] raw: 0000000000000000 0000000800120012 00000000f5000000 0000000000000000 [ 12.732129][ T1521] head: 0080000000000040 ffff888140413280 dead000000000122 0000000000000000 [ 12.732147][ T1521] head: 0000000000000000 0000000800120012 00000000f5000000 0000000000000000 [ 12.732166][ T1521] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 12.732183][ T1521] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 12.732195][ T1521] page dumped because: kasan: bad access detected [ 12.732211][ T1521] page_owner tracks the page as allocated [ 12.732222][ 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 1516, tgid 1516 (kworker/u8:7), ts 12415799592, free_ts 0 [ 12.732264][ T1521] post_alloc_hook+0x1f9/0x250 [ 12.732285][ T1521] get_page_from_freelist+0x2639/0x26b0 [ 12.732311][ T1521] __alloc_frozen_pages_noprof+0x18d/0x380 [ 12.732336][ T1521] allocate_slab+0x79/0x5e0 [ 12.732363][ T1521] refill_objects+0x2d8/0x350 [ 12.732392][ T1521] __pcs_replace_empty_main+0x330/0x690 [ 12.732420][ T1521] kmem_cache_alloc_lru_noprof+0x44b/0x650 [ 12.732440][ T1521] __d_alloc+0x37/0x6f0 [ 12.732462][ T1521] d_alloc_parallel+0xde/0x16c0 [ 12.732486][ T1521] __lookup_slow+0x82/0x2f0 [ 12.732508][ T1521] lookup_slow+0x53/0x70 [ 12.732528][ T1521] link_path_walk+0xd2a/0x1910 [ 12.732550][ T1521] path_openat+0x23c/0x3850 [ 12.732584][ T1521] do_file_open+0x23e/0x4a0 [ 12.732609][ T1521] do_open_execat+0x12b/0x590 [ 12.732632][ T1521] alloc_bprm+0x24/0x640 [ 12.732656][ T1521] page_owner free stack trace missing [ 12.732664][ T1521] [ 12.732669][ T1521] Memory state around the buggy address: [ 12.732686][ T1521] ffff888026ff5280: fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb fb [ 12.732701][ T1521] ffff888026ff5300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.732715][ T1521] >ffff888026ff5380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.732726][ T1521] ^ [ 12.732737][ T1521] ffff888026ff5400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 12.732751][ T1521] ffff888026ff5480: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb [ 12.732762][ T1521] ================================================================== [ 12.732782][ T1521] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 12.732809][ T1521] CPU: 1 UID: 0 PID: 1521 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 12.732838][ T1521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 12.732851][ T1521] Call Trace: [ 12.732859][ T1521] [ 12.732868][ T1521] vpanic+0x56c/0xa60 [ 12.732900][ T1521] ? __pfx_vpanic+0x10/0x10 [ 12.732936][ T1521] panic+0xc5/0xd0 [ 12.732965][ T1521] ? __pfx_panic+0x10/0x10 [ 12.732995][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 12.733022][ T1521] ? rcu_is_watching+0x15/0xb0 [ 12.733044][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 12.733072][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 12.733100][ T1521] check_panic_on_warn+0x89/0xb0 [ 12.733128][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 12.733155][ T1521] end_report+0x73/0x170 [ 12.733180][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 12.733208][ T1521] kasan_report+0x128/0x150 [ 12.733236][ T1521] ? _raw_spin_lock_irqsave+0x40/0x60 [ 12.733266][ T1521] ? rt_mutex_slowunlock+0xbf/0xa20 [ 12.733287][ T1521] __kasan_check_byte+0x2a/0x40 [ 12.733313][ T1521] lock_acquire+0x84/0x350 [ 12.733346][ T1521] ? rcu_is_watching+0x15/0xb0 [ 12.733368][ T1521] _raw_spin_lock_irqsave+0x40/0x60 [ 12.733394][ T1521] ? rt_mutex_slowunlock+0xbf/0xa20 [ 12.733413][ T1521] rt_mutex_slowunlock+0xbf/0xa20 [ 12.733439][ T1521] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 12.733462][ T1521] ? __rcu_read_unlock+0x83/0xe0 [ 12.733491][ T1521] ? rt_spin_unlock+0x160/0x200 [ 12.733515][ T1521] d_alloc_parallel+0x10c0/0x16c0 [ 12.733546][ T1521] ? d_alloc_parallel+0x3cf/0x16c0 [ 12.733586][ T1521] ? __pfx_d_alloc_parallel+0x10/0x10 [ 12.733620][ T1521] ? down_read+0x156/0x200 [ 12.733649][ T1521] ? __pfx_down_read+0x10/0x10 [ 12.733680][ T1521] __lookup_slow+0x82/0x2f0 [ 12.733707][ T1521] lookup_slow+0x53/0x70 [ 12.733732][ T1521] link_path_walk+0xd2a/0x1910 [ 12.733774][ T1521] path_openat+0x23c/0x3850 [ 12.733804][ T1521] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 12.733833][ T1521] ? arch_stack_walk+0x11b/0x150 [ 12.733866][ T1521] ? ret_from_fork_asm+0x1a/0x30 [ 12.733908][ T1521] do_file_open+0x23e/0x4a0 [ 12.733934][ T1521] ? kasan_save_track+0x3e/0x80 [ 12.733956][ T1521] ? __kasan_slab_alloc+0x6c/0x80 [ 12.733980][ T1521] ? kmem_cache_alloc_noprof+0x355/0x650 [ 12.734005][ T1521] ? __pfx_do_file_open+0x10/0x10 [ 12.734049][ T1521] ? do_open_execat+0xad/0x590 [ 12.734077][ T1521] do_open_execat+0x12b/0x590 [ 12.734102][ T1521] ? rcu_is_watching+0x15/0xb0 [ 12.734122][ T1521] ? __pfx_do_open_execat+0x10/0x10 [ 12.734148][ T1521] ? kmem_cache_alloc_noprof+0x3bd/0x650 [ 12.734171][ T1521] ? do_getname_kernel+0x54/0x230 [ 12.734191][ T1521] ? do_getname_kernel+0x97/0x230 [ 12.734216][ T1521] alloc_bprm+0x24/0x640 [ 12.734246][ T1521] kernel_execve+0x85/0x9c0 [ 12.734277][ T1521] call_usermodehelper_exec_async+0x212/0x360 [ 12.734309][ T1521] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.734344][ T1521] ret_from_fork+0x514/0xb70 [ 12.734373][ T1521] ? __pfx_ret_from_fork+0x10/0x10 [ 12.734400][ T1521] ? __switch_to+0xc89/0x1420 [ 12.734423][ T1521] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.734485][ T1521] ret_from_fork_asm+0x1a/0x30 [ 12.734524][ T1521] [ 12.735385][ T1521] Kernel Offset: disabled