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@10.128.1.133" "pwd"]: exit status 255 ssh: connect to host 10.128.1.133 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 b6436cfd-ea66-772a-9ecc-33c21dab57ec 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-a.ci-upstream-linux-next-kasan-gce-root-8 port 1 (session ID: f0f5219c119bccbc115a2baa0260775f5492b7b1b71571aa011d59af11169bb7, 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 04/18/2026 [ 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 5254771214 cycles [ 0.000012][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000032][ T0] tsc: Detected 2199.998 MHz processor [ 0.003724][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.003772][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.003783][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.003850][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.008790][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.008816][ T0] Using GB pages for direct mapping [ 0.012304][ T0] ACPI: Early table checksum verification disabled [ 0.012332][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.012350][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.012373][ T0] ACPI: FACP 0x00000000BFFFF370 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.012398][ T0] ACPI: DSDT 0x00000000BFFFD900 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.012417][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012432][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012448][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.012467][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.012486][ T0] ACPI: SSDT 0x00000000BFFFF470 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.012506][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.012522][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff370-0xbffff463] [ 0.012530][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd900-0xbffff363] [ 0.012538][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.012545][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.012552][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.012559][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.012566][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff470-0xbffffdef] [ 0.012573][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.012685][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.012695][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.012704][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.012715][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.012728][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.012750][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.012758][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.012853][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.013589][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.288654][ T0] KernelAddressSanitizer initialized (generic) [ 0.289397][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.289439][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.289569][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.289584][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.289593][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.289601][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.289609][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.289629][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.289639][ T0] CPU topo: Max. logical packages: 1 [ 0.289644][ T0] CPU topo: Max. logical nodes: 1 [ 0.289648][ T0] CPU topo: Num. nodes per package: 1 [ 0.289658][ T0] CPU topo: Max. logical dies: 1 [ 0.289663][ T0] CPU topo: Max. dies per package: 1 [ 0.289674][ T0] CPU topo: Max. threads per core: 2 [ 0.289679][ T0] CPU topo: Num. cores per package: 1 [ 0.289683][ T0] CPU topo: Num. threads per package: 2 [ 0.289688][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.289795][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.289806][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.289815][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.289838][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.289845][ T0] Booting paravirtualized kernel on KVM [ 0.289856][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.418227][ T0] Zone ranges: [ 0.418237][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.418251][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.418260][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.418280][ T0] Device empty [ 0.418286][ T0] Movable zone start for each node [ 0.418289][ T0] Early memory node ranges [ 0.418292][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.418300][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.418308][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.418315][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.418324][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.418343][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.418390][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.418618][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.478825][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.539523][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.540203][ T0] percpu: Embedded 72 pages/cpu s254408 r8192 d32312 u1048576 [ 0.540365][ T0] kvm-guest: PV spinlocks enabled [ 0.540375][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.540395][ 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 \ [ 0.540423][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.544693][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.544764][ T0] random: crng init done [ 0.544768][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.544991][ T0] software IO TLB: area num 2. [ 0.570047][ T0] Fallback order for Node 0: 0 1 [ 0.570070][ T0] Fallback order for Node 1: 1 0 [ 0.570085][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.570094][ T0] Policy zone: Normal [ 0.570756][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.570765][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.570776][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.574863][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.097563][ T0] ********************************************************** [ 1.097573][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.097577][ T0] ** ** [ 1.097581][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.097585][ T0] ** via the console, logs, and other interfaces. This ** [ 1.097588][ T0] ** might reduce the security of your system. ** [ 1.097592][ T0] ** ** [ 1.097595][ T0] ** If you see this message and you are not debugging ** [ 1.097599][ T0] ** the kernel, report this immediately to your system ** [ 1.097603][ T0] ** administrator! ** [ 1.097606][ T0] ** ** [ 1.097610][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.097614][ T0] ** ** [ 1.097617][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.097621][ T0] ********************************************************** [ 1.100987][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.223779][ T0] allocated 167772160 bytes of page_ext [ 1.223820][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.237758][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.241892][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 1.253013][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 1.253512][ T0] Kernel/User page tables isolation: enabled [ 1.255695][ T0] Dynamic Preempt: full [ 1.256861][ T0] Running RCU self tests [ 1.256866][ T0] Running RCU synchronous self tests [ 1.256870][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.256874][ T0] rcu: RCU lockdep checking is enabled. [ 1.256878][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.256884][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 1.256891][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.256895][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 1.256899][ T0] rcu: RCU debug extended QS entry/exit. [ 1.256902][ T0] No expedited grace period (rcu_normal_after_boot). [ 1.256906][ T0] Trampoline variant of Tasks RCU enabled. [ 1.256909][ T0] Tracing variant of Tasks RCU enabled. [ 1.256913][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.256924][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.257102][ T0] Running RCU synchronous self tests [ 1.257136][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.420824][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.421971][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.422740][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.424646][ T0] Console: colour VGA+ 80x25 [ 1.672621][ T0] printk: legacy console [ttyS0] enabled [ 1.672634][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.672712][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.672717][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.672722][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.672727][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.672732][ T0] ... CLASSHASH_SIZE: 4096 [ 1.672736][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.672740][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.672745][ T0] ... CHAINHASH_SIZE: 524288 [ 1.672749][ T0] memory used by lock dependency info: 106625 kB [ 1.672754][ T0] memory used for stack traces: 8320 kB [ 1.672759][ T0] per task-struct memory footprint: 1920 bytes [ 1.673112][ T0] ACPI: Core revision 20260408 [ 1.674536][ T0] APIC: Switch to symmetric I/O mode setup [ 1.675252][ T0] x2apic enabled [ 1.678768][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.684594][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.684857][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 1.684902][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 1.685536][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.685543][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.685599][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.685618][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.685624][ T0] Spectre V2 : Mitigation: IBRS [ 1.685629][ T0] RETBleed: Mitigation: IBRS [ 1.685634][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.685641][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.685645][ T0] MDS: Mitigation: Clear CPU buffers [ 1.685649][ T0] TAA: Mitigation: Clear CPU buffers [ 1.685653][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.685658][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.685666][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 1.685688][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.685755][ T0] active return thunk: its_return_thunk [ 1.685769][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.685832][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.685842][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.685850][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.685859][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.685871][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.072532][ T0] pid_max: default: 32768 minimum: 301 [ 2.074583][ T0] landlock: Up and running. [ 2.074590][ T0] Yama: becoming mindful. [ 2.075154][ T0] TOMOYO Linux initialized [ 2.076719][ T0] AppArmor: AppArmor initialized [ 2.079883][ T0] LSM support for eBPF active [ 2.087081][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.090457][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.090927][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.091146][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.094443][ T0] VFS: Finished mounting rootfs on nullfs [ 2.100613][ T0] Running RCU synchronous self tests [ 2.100624][ T0] Running RCU synchronous self tests [ 2.222140][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.224891][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.224891][ T1] signal: max sigframe size: 1776 [ 2.234962][ T1] rcu: Hierarchical SRCU implementation. [ 2.234970][ T1] rcu: Max phase no-delay instances is 1000. [ 2.304983][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.471460][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.472717][ T1] smp: Bringing up secondary CPUs ... [ 2.487007][ T1] smpboot: x86: Booting SMP configuration: [ 2.487016][ T1] .... node #0, CPUs: #1 [ 2.488967][ 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. [ 2.488967][ 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. [ 2.488967][ 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. [ 2.488967][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.488967][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 2.489004][ T1] Memory: 6466192K/8388204K available (167460K kernel code, 29672K rwdata, 39832K rodata, 25508K init, 129260K bss, 1733880K reserved, 0K cma-reserved) [ 2.516930][ T1] devtmpfs: initialized [ 2.521414][ T1] x86/mm: Memory block size: 128MB [ 2.615112][ T1] Running RCU synchronous self tests [ 2.615180][ T1] Running RCU synchronous self tests [ 2.615429][ T1] Running RCU Tasks wait API self tests [ 2.615429][ T1] Running RCU Tasks Trace wait API self tests [ 2.636337][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.636337][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 2.636337][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 2.638367][ T1] xor: automatically using best checksumming function avx [ 2.647458][ T1] PM: RTC time: 07:19:05, date: 2026-06-12 [ 2.671029][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.685020][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.685798][ T1] audit: initializing netlink subsys (disabled) [ 2.686051][ T38] audit: type=2000 audit(1781248745.540:1): state=initialized audit_enabled=0 res=1 [ 2.699703][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.701072][ T1] cpuidle: using governor menu [ 2.701072][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.715905][ T1] Freeing SMP alternatives memory: 128K [ 2.718129][ T1] dca service started, version 1.12.1 [ 2.718129][ T1] PCI: Using configuration type 1 for base access [ 2.742338][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.742355][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.742373][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.742386][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.790650][ T1] raid6: using avx2x2 recovery algorithm [ 2.790667][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.797323][ T1] ACPI: Added _OSI(Module Device) [ 2.797337][ T1] ACPI: Added _OSI(Processor Device) [ 2.797386][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.049428][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.088567][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.125609][ T1] ACPI: Interpreter enabled [ 3.126583][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.126664][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.127417][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.127432][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.135470][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.502338][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.502480][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.502505][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.502927][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 3.503747][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 3.544902][ T1] PCI host bridge to bus 0000:00 [ 3.544923][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.545420][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.545466][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.545508][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.545550][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.545599][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.546315][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 3.558428][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 3.589944][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 3.596162][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.609232][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 3.619166][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 3.619222][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 3.635431][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 3.647145][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 3.647275][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 3.661149][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 3.669291][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 3.671231][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 3.688126][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 3.696709][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 3.708411][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 3.719863][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 3.719988][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 3.790491][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.801674][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.812924][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.823927][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.828820][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.868141][ T1] iommu: Default domain type: Translated [ 3.868141][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.886526][ T1] SCSI subsystem initialized [ 3.890282][ T1] ACPI: bus type USB registered [ 3.890282][ T1] usbcore: registered new interface driver usbfs [ 3.890685][ T1] usbcore: registered new interface driver hub [ 3.891273][ T1] usbcore: registered new device driver usb [ 3.908243][ T1] mc: Linux media interface: v0.10 [ 3.908819][ T1] videodev: Linux video capture interface: v2.00 [ 3.910471][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.910484][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.910748][ T1] PTP clock support registered [ 3.926965][ T1] EDAC MC: Ver: 3.0.0 [ 3.957482][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.990493][ T1] Bluetooth: Core ver 2.22 [ 3.991149][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.991162][ T1] Bluetooth: HCI device and connection manager initialized [ 3.991295][ T1] Bluetooth: HCI socket layer initialized [ 3.991338][ T1] Bluetooth: L2CAP socket layer initialized [ 3.991538][ T1] Bluetooth: SCO socket layer initialized [ 3.991713][ T1] NET: Registered PF_ATMPVC protocol family [ 3.991726][ T1] NET: Registered PF_ATMSVC protocol family [ 3.992526][ T1] NetLabel: Initializing [ 3.992535][ T1] NetLabel: domain hash size = 128 [ 3.992545][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.993370][ T1] NetLabel: unlabeled traffic allowed by default [ 4.020231][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.020992][ T1] NET: Registered PF_NFC protocol family [ 4.021167][ T1] mctp: management component transport protocol core [ 4.021179][ T1] NET: Registered PF_MCTP protocol family [ 4.021844][ T1] PCI: Using ACPI for IRQ routing [ 4.022271][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.022370][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 4.024198][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.024218][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.024233][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.024276][ T1] vgaarb: loaded [ 4.058683][ T1] clocksource: Switched to clocksource kvm-clock [ 4.067839][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.068091][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 4.081159][ T1] netfs: FS-Cache loaded [ 4.085474][ T1] CacheFiles: Loaded [ 4.087239][ T1] TOMOYO: 2.6.0 [ 4.087249][ T1] Mandatory Access Control activated. [ 4.100883][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.102146][ T1] pnp: PnP ACPI init [ 4.149604][ T1] pnp: PnP ACPI: found 6 devices [ 4.290601][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.297568][ T1] NET: Registered PF_INET protocol family [ 4.300747][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.321753][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 4.326518][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.327682][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.355566][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 4.374695][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.378335][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 4.382057][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 4.394204][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.412612][ T1] RPC: Registered named UNIX socket transport module. [ 4.412632][ T1] RPC: Registered udp transport module. [ 4.412644][ T1] RPC: Registered tcp transport module. [ 4.412656][ T1] RPC: Registered tcp-with-tls transport module. [ 4.412669][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.430692][ T1] NET: Registered PF_XDP protocol family [ 4.430948][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.430976][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.430997][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.431020][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.445194][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.445703][ T1] PCI: CLS 0 bytes, default 64 [ 4.446233][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.446248][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 4.451519][ T1] ACPI: bus type thunderbolt registered [ 4.484613][ T70] kworker/u8:4 (70) used greatest stack depth: 27520 bytes left [ 4.487307][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.534638][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 4.534674][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 4.535540][ T1] clocksource: Switched to clocksource tsc [ 4.565713][ T78] kworker/u8:1 (78) used greatest stack depth: 27496 bytes left [ 4.585403][ T87] kworker/u8:4 (87) used greatest stack depth: 27160 bytes left [ 4.607164][ T1] Initialise system trusted keyrings [ 4.610039][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 4.628471][ T1] DLM installed [ 4.638562][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.653451][ T1] NFS: Registering the id_resolver key type [ 4.653635][ T1] Key type id_resolver registered [ 4.653651][ T1] Key type id_legacy registered [ 4.654135][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.654356][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.661107][ T1] smbdirect: subsystem loading... [ 4.685201][ T1] smbdirect: subsystem loaded [ 4.703098][ T1] Key type cifs.spnego registered [ 4.703507][ T1] Key type cifs.idmap registered [ 4.708486][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 4.708497][ T1] ntfs3: Read-only LZX/Xpress compression included [ 4.709062][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 4.709257][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 4.712510][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 4.712873][ T1] QNX4 filesystem 0.2.3 registered. [ 4.730593][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 4.732167][ T1] fuse: init (API version 7.45) [ 4.741591][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 4.748182][ T1] orangefs_init: module version upstream loaded [ 4.750200][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 4.772405][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 4.785667][ T1] 9p: Installing v9fs 9p2000 file system support [ 4.786853][ T1] NILFS version 2 loaded [ 4.786866][ T1] befs: version: 0.9.3 [ 4.788375][ T1] ocfs2: Registered cluster interface o2cb [ 4.789670][ T1] ocfs2: Registered cluster interface user [ 4.790940][ T1] OCFS2 User DLM kernel interface loaded [ 4.839286][ T1] gfs2: GFS2 installed [ 4.863741][ T1] ceph: loaded (mds proto 32) [ 4.878184][ T1] NET: Registered PF_ALG protocol family [ 4.878773][ T1] async_tx: api initialized (async) [ 4.878838][ T1] Key type asymmetric registered [ 4.878929][ T1] Asymmetric key parser 'x509' registered [ 4.878948][ T1] Asymmetric key parser 'pkcs8' registered [ 4.878972][ T1] Key type pkcs7_test registered [ 4.879891][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 4.881563][ T1] io scheduler mq-deadline registered [ 4.881582][ T1] io scheduler kyber registered [ 4.882288][ T1] io scheduler bfq registered [ 4.929996][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 4.937073][ T1] ACPI: button: Power Button [PWRF] [ 4.941326][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 4.951470][ T1] ACPI: button: Sleep Button [SLPF] [ 4.992392][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 5.058557][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.058716][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.108214][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.108412][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.158512][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.158667][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.171157][ T206] kworker/u8:3 (206) used greatest stack depth: 26856 bytes left [ 5.200244][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 5.319482][ T260] kworker/u8:3 (260) used greatest stack depth: 26472 bytes left [ 6.272844][ T1] N_HDLC line discipline registered with maxframe=4096 [ 6.277344][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.295047][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.330146][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 6.355669][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 6.380715][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 6.435139][ T1] Non-volatile memory driver v1.3 [ 6.478049][ T1] usbcore: registered new interface driver xillyusb [ 6.490929][ T1] ACPI: bus type drm_connector registered [ 6.505415][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 6.527627][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 6.687669][ T1] Console: switching to colour frame buffer device 128x48 [ 6.750266][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 6.752740][ T1] usbcore: registered new interface driver udl [ 6.770589][ T1] usbcore: registered new interface driver gm12u320 [ 6.771594][ T1] usbcore: registered new interface driver gud [ 6.977066][ T1] brd: module loaded [ 7.491048][ T1] loop: module loaded [ 7.895348][ T1] zram: Added device: zram0 [ 7.925932][ T1] null_blk: disk nullb0 created [ 7.926899][ T1] null_blk: module loaded [ 7.932527][ T1] Guest personality initialized and is inactive [ 7.940360][ T1] VMCI host device registered (name=vmci, major=10, minor=267) [ 7.940379][ T1] Initialized host personality [ 7.941205][ T1] usbcore: registered new interface driver rtsx_usb [ 7.955380][ T1] usbcore: registered new interface driver viperboard [ 7.956545][ T1] usbcore: registered new interface driver dln2 [ 7.960493][ T1] usbcore: registered new interface driver pn533_usb [ 7.965967][ T1010] kworker/u8:7 (1010) used greatest stack depth: 26392 bytes left [ 7.986084][ T1] nfcsim 0.2 initialized [ 7.986887][ T1] usbcore: registered new interface driver port100 [ 7.987716][ T1] usbcore: registered new interface driver nfcmrvl [ 8.005831][ T1] Loading iSCSI transport class v2.0-870. [ 8.039288][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 8.082646][ T1] scsi host0: Virtio SCSI HBA [ 8.085467][ T1] blk-mq: reduced tag depth to 10240 [ 8.318466][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 8.338692][ T56] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 8.415918][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 8.421669][ T1] db_root: cannot open: /etc/target [ 8.434259][ T1] slram: not enough parameters. [ 8.469835][ T1] ftl_cs: FTL header not found. [ 8.677827][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 8.677839][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 8.677851][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 8.737069][ T1] MACsec IEEE 802.1AE [ 8.799617][ T1] usbcore: registered new interface driver mvusb_mdio [ 8.800239][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 9.026163][ T1] vcan: Virtual CAN interface driver [ 9.026219][ T1] vxcan: Virtual CAN Tunnel driver [ 9.026270][ T1] slcan: serial line CAN interface driver [ 9.026332][ T1] CAN device driver interface [ 9.027205][ T1] usbcore: registered new interface driver usb_8dev [ 9.028212][ T1] usbcore: registered new interface driver ems_usb [ 9.029025][ T1] usbcore: registered new interface driver esd_usb [ 9.029836][ T1] usbcore: registered new interface driver etas_es58x [ 9.030638][ T1] usbcore: registered new interface driver f81604 [ 9.031400][ T1] usbcore: registered new interface driver gs_usb [ 9.032299][ T1] usbcore: registered new interface driver kvaser_usb [ 9.043417][ T1] usbcore: registered new interface driver mcba_usb [ 9.046483][ T1] usbcore: registered new interface driver peak_usb [ 9.048880][ T1] usbcore: registered new interface driver ucan [ 9.063463][ T1] e100: Intel(R) PRO/100 Network Driver [ 9.063489][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 9.067650][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 9.067695][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 9.070269][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 9.070301][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 9.098867][ T1] PPP generic driver version 2.4.2 [ 9.106269][ T1] PPP BSD Compression module registered [ 9.106318][ T1] PPP Deflate Compression module registered [ 9.106346][ T1] PPP MPPE Compression module registered [ 9.106365][ T1] NET: Registered PF_PPPOX protocol family [ 9.106546][ T1] PPTP driver version 0.8.5 [ 9.110243][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 9.110262][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 9.110272][ T1] SLIP linefill/keepalive option. [ 9.110298][ T1] hdlc: HDLC support module revision 1.22 [ 9.110387][ T1] LAPB Ethernet driver version 0.02 [ 9.144358][ T1] usbcore: registered new interface driver ath9k_htc [ 9.147304][ T1] usbcore: registered new interface driver carl9170 [ 9.148096][ T1] usbcore: registered new interface driver ath6kl_usb [ 9.152305][ T1] usbcore: registered new interface driver ar5523 [ 9.169872][ T1] usbcore: registered new interface driver ath10k_usb [ 9.170756][ T1] usbcore: registered new interface driver plfxlc [ 9.171791][ T1] mac80211_hwsim: initializing netlink [ 9.348235][ T1] usbcore: registered new interface driver atusb [ 9.465101][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 9.468556][ T1] VMware vmxnet3 virtual NIC driver - version 1.9.0.0-k-NAPI [ 9.470103][ T1] usbcore: registered new interface driver catc [ 9.470921][ T1] usbcore: registered new interface driver kaweth [ 9.470939][ T1] pegasus: Pegasus/Pegasus II USB Ethernet driver [ 9.471724][ T1] usbcore: registered new interface driver pegasus [ 9.472525][ T1] usbcore: registered new interface driver rtl8150 [ 9.484072][ T1] usbcore: registered new device driver r8152-cfgselector [ 9.499941][ T1] usbcore: registered new interface driver r8152 [ 9.514734][ T1] usbcore: registered new interface driver hso [ 9.515623][ T1] usbcore: registered new interface driver lan78xx [ 9.520083][ T1] usbcore: registered new interface driver asix [ 9.520850][ T1] usbcore: registered new interface driver ax88179_178a [ 9.526492][ T1] usbcore: registered new interface driver cdc_ether [ 9.538747][ T1] usbcore: registered new interface driver cdc_eem [ 9.540514][ T1] usbcore: registered new interface driver dm9601 [ 9.542207][ T1] usbcore: registered new interface driver sr9700 [ 9.548177][ T1] usbcore: registered new interface driver CoreChips [ 9.559679][ T1] usbcore: registered new interface driver smsc75xx [ 9.560286][ T1] usbcore: registered new interface driver smsc95xx [ 9.569436][ T1] usbcore: registered new interface driver gl620a [ 9.570318][ T1] usbcore: registered new interface driver net1080 [ 9.571155][ T1] usbcore: registered new interface driver plusb [ 9.571988][ T1] usbcore: registered new interface driver rndis_host [ 9.577329][ T1] usbcore: registered new interface driver cdc_subset [ 9.579748][ T1] usbcore: registered new interface driver zaurus [ 9.582300][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 9.596551][ T1] usbcore: registered new interface driver int51x1 [ 9.599123][ T1] usbcore: registered new interface driver cdc_phonet [ 9.599864][ T1] usbcore: registered new interface driver kalmia [ 9.603147][ T1] usbcore: registered new interface driver ipheth [ 9.603792][ T1] usbcore: registered new interface driver sierra_net [ 9.606973][ T1] usbcore: registered new interface driver cx82310_eth [ 9.612816][ T1] usbcore: registered new interface driver cdc_ncm [ 9.614437][ T1] usbcore: registered new interface driver huawei_cdc_ncm [ 9.616551][ T1] usbcore: registered new interface driver lg-vl600 [ 9.637522][ T1] usbcore: registered new interface driver qmi_wwan [ 9.640727][ T1] usbcore: registered new interface driver cdc_mbim [ 9.641598][ T1] usbcore: registered new interface driver ch9200 [ 9.642354][ T1] usbcore: registered new interface driver aqc111 [ 9.647936][ T1] usbcore: registered new interface driver r8153_ecm [ 9.692130][ T1] VFIO - User Level meta-driver version: 0.3 [ 9.723299][ T1] aoe: AoE v85 initialised. [ 9.779912][ T1] usbcore: registered new interface driver cdc_acm [ 9.779931][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 9.781603][ T1] usbcore: registered new interface driver usblp [ 9.792720][ T1] usbcore: registered new interface driver cdc_wdm [ 9.802548][ T1] usbcore: registered new interface driver usbtmc [ 9.806846][ T1] usbcore: registered new interface driver uas [ 9.810855][ T1] usbcore: registered new interface driver usb-storage [ 9.811646][ T1] usbcore: registered new interface driver ums-alauda [ 9.817822][ T1] usbcore: registered new interface driver ums-cypress [ 9.818523][ T1] usbcore: registered new interface driver ums-datafab [ 9.831552][ T1] usbcore: registered new interface driver ums_eneub6250 [ 9.832324][ T1] usbcore: registered new interface driver ums-freecom [ 9.839891][ T1] usbcore: registered new interface driver ums-isd200 [ 9.840708][ T1] usbcore: registered new interface driver ums-jumpshot [ 9.841472][ T1] usbcore: registered new interface driver ums-karma [ 9.851371][ T1] usbcore: registered new interface driver ums-onetouch [ 9.858660][ T1] usbcore: registered new interface driver ums-realtek [ 9.859367][ T1] usbcore: registered new interface driver ums-sddr09 [ 9.860976][ T1] usbcore: registered new interface driver ums-sddr55 [ 9.861754][ T1] usbcore: registered new interface driver ums-usbat [ 9.862721][ T1] usbcore: registered new interface driver mdc800 [ 9.862735][ T1] mdc800: v0.7.5 (30/10/2000):USB Driver for Mustek MDC800 Digital Camera [ 9.880527][ T1] usbcore: registered new interface driver microtekX6 [ 9.887188][ T1] usbcore: registered new interface driver usbserial_generic [ 9.887903][ T1] usbserial: USB Serial support registered for generic [ 9.889633][ T1] usbcore: registered new interface driver aircable [ 9.890508][ T1] usbserial: USB Serial support registered for aircable [ 9.891597][ T1] usbcore: registered new interface driver ark3116 [ 9.891927][ T1] usbserial: USB Serial support registered for ark3116 [ 9.910636][ T1] usbcore: registered new interface driver belkin_sa [ 9.911029][ T1] usbserial: USB Serial support registered for Belkin / Peracom / GoHubs USB Serial Adapter [ 9.911633][ T1] usbcore: registered new interface driver ch341 [ 9.923265][ T1] usbserial: USB Serial support registered for ch341-uart [ 9.924399][ T1] usbcore: registered new interface driver cp210x [ 9.924990][ T1] usbserial: USB Serial support registered for cp210x [ 9.925557][ T1] usbcore: registered new interface driver cyberjack [ 9.926226][ T1] usbserial: USB Serial support registered for Reiner SCT Cyberjack USB card reader [ 9.926785][ T1] usbcore: registered new interface driver cypress_m8 [ 9.927126][ T1] usbserial: USB Serial support registered for DeLorme Earthmate USB [ 9.927427][ T1] usbserial: USB Serial support registered for HID->COM RS232 Adapter [ 9.927696][ T1] usbserial: USB Serial support registered for Nokia CA-42 V2 Adapter [ 9.928216][ T1] usbcore: registered new interface driver usb_debug [ 9.928951][ T1] usbserial: USB Serial support registered for debug [ 9.929223][ T1] usbserial: USB Serial support registered for xhci_dbc [ 9.929824][ T1] usbcore: registered new interface driver digi_acceleport [ 9.930130][ T1] usbserial: USB Serial support registered for Digi 2 port USB adapter [ 9.930482][ T1] usbserial: USB Serial support registered for Digi 4 port USB adapter [ 9.931043][ T1] usbcore: registered new interface driver io_edgeport [ 9.931352][ T1] usbserial: USB Serial support registered for Edgeport 2 port adapter [ 9.987992][ T1] usbserial: USB Serial support registered for Edgeport 4 port adapter [ 9.988363][ T1] usbserial: USB Serial support registered for Edgeport 8 port adapter [ 9.988728][ T1] usbserial: USB Serial support registered for EPiC device [ 9.989846][ T1] usbcore: registered new interface driver io_ti [ 9.990171][ T1] usbserial: USB Serial support registered for Edgeport TI 1 port adapter [ 9.990490][ T1] usbserial: USB Serial support registered for Edgeport TI 2 port adapter [ 9.991885][ T1] usbcore: registered new interface driver empeg [ 9.992279][ T1] usbserial: USB Serial support registered for empeg [ 10.020173][ T1] usbcore: registered new interface driver f81534a_ctrl [ 10.021489][ T1] usbcore: registered new interface driver f81232 [ 10.022350][ T1] usbserial: USB Serial support registered for f81232 [ 10.022650][ T1] usbserial: USB Serial support registered for f81534a [ 10.034885][ T1] usbcore: registered new interface driver f81534 [ 10.035715][ T1] usbserial: USB Serial support registered for Fintek F81532/F81534 [ 10.036294][ T1] usbcore: registered new interface driver ftdi_sio [ 10.036621][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 10.037179][ T1] usbcore: registered new interface driver garmin_gps [ 10.038397][ T1] usbserial: USB Serial support registered for Garmin GPS usb/tty [ 10.038970][ T1] usbcore: registered new interface driver ipaq [ 10.039282][ T1] usbserial: USB Serial support registered for PocketPC PDA [ 10.040431][ T1] usbcore: registered new interface driver ipw [ 10.040766][ T1] usbserial: USB Serial support registered for IPWireless converter [ 10.041949][ T1] usbcore: registered new interface driver ir_usb [ 10.078298][ T1] usbserial: USB Serial support registered for IR Dongle [ 10.078909][ T1] usbcore: registered new interface driver iuu_phoenix [ 10.079296][ T1] usbserial: USB Serial support registered for iuu_phoenix [ 10.079849][ T1] usbcore: registered new interface driver keyspan [ 10.081741][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 10.082697][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 10.105064][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 10.105405][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 10.105969][ T1] usbcore: registered new interface driver keyspan_pda [ 10.107664][ T1] usbserial: USB Serial support registered for Keyspan PDA [ 10.108024][ T1] usbserial: USB Serial support registered for Keyspan PDA - (prerenumeration) [ 10.108682][ T1] usbcore: registered new interface driver kl5kusb105 [ 10.109001][ T1] usbserial: USB Serial support registered for KL5KUSB105D / PalmConnect [ 10.111269][ T1] usbcore: registered new interface driver kobil_sct [ 10.112573][ T1] usbserial: USB Serial support registered for KOBIL USB smart card terminal [ 10.143682][ T1] usbcore: registered new interface driver mct_u232 [ 10.143998][ T1] usbserial: USB Serial support registered for MCT U232 [ 10.146257][ T1] usbcore: registered new interface driver metro_usb [ 10.147503][ T1] usbserial: USB Serial support registered for Metrologic USB to Serial [ 10.148079][ T1] usbcore: registered new interface driver mos7720 [ 10.148425][ T1] usbserial: USB Serial support registered for Moschip 2 port adapter [ 10.149776][ T1] usbcore: registered new interface driver mos7840 [ 10.150263][ T1] usbserial: USB Serial support registered for Moschip 7840/7820 USB Serial Driver [ 10.150855][ T1] usbcore: registered new interface driver mxuport [ 10.151158][ T1] usbserial: USB Serial support registered for MOXA UPort [ 10.151715][ T1] usbcore: registered new interface driver navman [ 10.152050][ T1] usbserial: USB Serial support registered for navman [ 10.163361][ T1] usbcore: registered new interface driver omninet [ 10.163679][ T1] usbserial: USB Serial support registered for ZyXEL - omni.net usb [ 10.201537][ T1474] ================================================================== [ 10.201554][ T1474] BUG: KASAN: slab-use-after-free in _raw_spin_lock_irqsave+0x40/0x60 [ 10.201590][ T1474] Read of size 1 at addr ffff888029c385f8 by task kworker/u8:10/1474 [ 10.201610][ T1474] [ 10.201630][ T1474] CPU: 1 UID: 0 PID: 1474 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 10.201656][ T1474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 10.201677][ T1474] Call Trace: [ 10.201689][ T1474] [ 10.201702][ T1474] dump_stack_lvl+0xe8/0x150 [ 10.201734][ T1474] print_address_description+0x55/0x1e0 [ 10.201763][ T1474] ? _raw_spin_lock_irqsave+0x40/0x60 [ 10.201790][ T1474] print_report+0x58/0x70 [ 10.201815][ T1474] kasan_report+0x117/0x150 [ 10.201844][ T1474] ? _raw_spin_lock_irqsave+0x40/0x60 [ 10.201876][ T1474] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 10.201897][ T1474] __kasan_check_byte+0x2a/0x40 [ 10.201924][ T1474] lock_acquire+0x84/0x350 [ 10.201958][ T1474] ? rcu_is_watching+0x15/0xb0 [ 10.201981][ T1474] _raw_spin_lock_irqsave+0x40/0x60 [ 10.202009][ T1474] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 10.202031][ T1474] rt_mutex_slowunlock+0xbf/0x8b0 [ 10.202056][ T1474] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 10.202081][ T1474] ? __rcu_read_unlock+0x83/0xe0 [ 10.202110][ T1474] ? rt_spin_unlock+0x160/0x200 [ 10.202134][ T1474] d_alloc_parallel+0x103d/0x1630 [ 10.202164][ T1474] ? reacquire_held_locks+0x104/0x190 [ 10.202190][ T1474] ? d_alloc_parallel+0x3c4/0x1630 [ 10.202223][ T1474] ? __pfx_d_alloc_parallel+0x10/0x10 [ 10.202258][ T1474] ? down_read+0x156/0x200 [ 10.202288][ T1474] ? __pfx_down_read+0x10/0x10 [ 10.202319][ T1474] __lookup_slow+0x82/0x2f0 [ 10.202346][ T1474] lookup_slow+0x53/0x70 [ 10.202372][ T1474] link_path_walk+0xd1e/0x18d0 [ 10.202415][ T1474] path_openat+0x22c/0x37e0 [ 10.202461][ T1474] do_file_open+0x23e/0x4a0 [ 10.202489][ T1474] ? kasan_save_track+0x3e/0x80 [ 10.202510][ T1474] ? __kasan_slab_alloc+0x6c/0x80 [ 10.202534][ T1474] ? kmem_cache_alloc_noprof+0x354/0x6c0 [ 10.202560][ T1474] ? __pfx_do_file_open+0x10/0x10 [ 10.202609][ T1474] ? do_open_execat+0xad/0x590 [ 10.202637][ T1474] do_open_execat+0x12b/0x590 [ 10.202664][ T1474] ? rcu_is_watching+0x15/0xb0 [ 10.202685][ T1474] ? __pfx_do_open_execat+0x10/0x10 [ 10.202713][ T1474] ? kmem_cache_alloc_noprof+0x3bc/0x6c0 [ 10.202736][ T1474] ? do_getname_kernel+0x54/0x230 [ 10.202758][ T1474] ? do_getname_kernel+0x97/0x230 [ 10.202783][ T1474] alloc_bprm+0x28/0x660 [ 10.202811][ T1474] ? do_getname_kernel+0x183/0x230 [ 10.202836][ T1474] kernel_execve+0x87/0x930 [ 10.202870][ T1474] call_usermodehelper_exec_async+0x212/0x360 [ 10.202907][ T1474] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 10.202907][ T1474] ret_from_fork+0x514/0xb70 [ 10.202907][ T1474] ? __pfx_ret_from_fork+0x10/0x10 [ 10.202907][ T1474] ? __switch_to+0xc79/0x1410 [ 10.202907][ T1474] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 10.202907][ T1474] ret_from_fork_asm+0x1a/0x30 [ 10.202907][ T1474] [ 10.202907][ T1474] [ 10.202907][ T1474] Allocated by task 1471: [ 10.202907][ T1474] kasan_save_track+0x3e/0x80 [ 10.202907][ T1474] __kasan_slab_alloc+0x6c/0x80 [ 10.202907][ T1474] kmem_cache_alloc_lru_noprof+0x354/0x6b0 [ 10.202907][ T1474] __d_alloc+0x37/0x6f0 [ 10.202907][ T1474] d_alloc_parallel+0xe3/0x1630 [ 10.202907][ T1474] __lookup_slow+0x82/0x2f0 [ 10.202907][ T1474] lookup_slow+0x53/0x70 [ 10.202907][ T1474] link_path_walk+0xd1e/0x18d0 [ 10.202907][ T1474] path_openat+0x22c/0x37e0 [ 10.202907][ T1474] do_file_open+0x23e/0x4a0 [ 10.202907][ T1474] do_open_execat+0x12b/0x590 [ 10.202907][ T1474] alloc_bprm+0x28/0x660 [ 10.202907][ T1474] kernel_execve+0x87/0x930 [ 10.202907][ T1474] call_usermodehelper_exec_async+0x212/0x360 [ 10.202907][ T1474] ret_from_fork+0x514/0xb70 [ 10.202907][ T1474] ret_from_fork_asm+0x1a/0x30 [ 10.202907][ T1474] [ 10.202907][ T1474] Freed by task 21: [ 10.202907][ T1474] kasan_save_track+0x3e/0x80 [ 10.202907][ T1474] kasan_save_free_info+0x46/0x50 [ 10.202907][ T1474] __kasan_slab_free+0x5c/0x80 [ 10.202907][ T1474] kmem_cache_free+0x187/0x6c0 [ 10.202907][ T1474] rcu_cpu_kthread+0x99e/0x1470 [ 10.202907][ T1474] smpboot_thread_fn+0x541/0xa50 [ 10.202907][ T1474] kthread+0x388/0x470 [ 10.202907][ T1474] ret_from_fork+0x514/0xb70 [ 10.202907][ T1474] ret_from_fork_asm+0x1a/0x30 [ 10.202907][ T1474] [ 10.202907][ T1474] Last potentially related work creation: [ 10.202907][ T1474] kasan_save_stack+0x3e/0x60 [ 10.202907][ T1474] kasan_record_aux_stack+0xbd/0xd0 [ 10.202907][ T1474] call_rcu+0xee/0x890 [ 10.202907][ T1474] dentry_kill+0x4ed/0x890 [ 10.202907][ T1474] finish_dput+0x1a/0x260 [ 10.202907][ T1474] step_into_slowpath+0x487/0x7e0 [ 10.202907][ T1474] link_path_walk+0xd50/0x18d0 [ 10.202907][ T1474] path_openat+0x22c/0x37e0 [ 10.202907][ T1474] do_file_open+0x23e/0x4a0 [ 10.202907][ T1474] do_open_execat+0x12b/0x590 [ 10.202907][ T1474] alloc_bprm+0x28/0x660 [ 10.202907][ T1474] kernel_execve+0x87/0x930 [ 10.202907][ T1474] call_usermodehelper_exec_async+0x212/0x360 [ 10.202907][ T1474] ret_from_fork+0x514/0xb70 [ 10.202907][ T1474] ret_from_fork_asm+0x1a/0x30 [ 10.202907][ T1474] [ 10.202907][ T1474] The buggy address belongs to the object at ffff888029c38528 [ 10.202907][ T1474] which belongs to the cache dentry of size 376 [ 10.202907][ T1474] The buggy address is located 208 bytes inside of [ 10.202907][ T1474] freed 376-byte region [ffff888029c38528, ffff888029c386a0) [ 10.202907][ T1474] [ 10.202907][ T1474] The buggy address belongs to the physical page: [ 10.202907][ T1474] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888029c38dc0 pfn:0x29c38 [ 10.202907][ T1474] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 10.202907][ T1474] flags: 0x80000000000240(workingset|head|node=0|zone=1) [ 10.202907][ T1474] page_type: f5(slab) [ 10.202907][ T1474] raw: 0080000000000240 ffff88801be8b500 ffff88801be8ab88 ffff88801be8ab88 [ 10.202907][ T1474] raw: ffff888029c38dc0 0000000800120008 00000000f5000000 0000000000000000 [ 10.202907][ T1474] head: 0080000000000240 ffff88801be8b500 ffff88801be8ab88 ffff88801be8ab88 [ 10.202907][ T1474] head: ffff888029c38dc0 0000000800120008 00000000f5000000 0000000000000000 [ 10.202907][ T1474] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 10.202907][ T1474] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 10.202907][ T1474] page dumped because: kasan: bad access detected [ 10.202907][ T1474] page_owner tracks the page as allocated [ 10.202907][ T1474] 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 1468, tgid 1468 (kworker/u8:7), ts 10145405920, free_ts 0 [ 10.202907][ T1474] post_alloc_hook+0x1f9/0x250 [ 10.202907][ T1474] get_page_from_freelist+0x265c/0x26e0 [ 10.202907][ T1474] __alloc_frozen_pages_noprof+0x18d/0x380 [ 10.202907][ T1474] allocate_slab+0x76/0x5d0 [ 10.202907][ T1474] refill_objects+0x2d9/0x350 [ 10.202907][ T1474] __pcs_replace_empty_main+0x331/0x690 [ 10.202907][ T1474] kmem_cache_alloc_lru_noprof+0x46b/0x6b0 [ 10.202907][ T1474] __d_alloc+0x37/0x6f0 [ 10.202907][ T1474] d_alloc_parallel+0xe3/0x1630 [ 10.202907][ T1474] __lookup_slow+0x82/0x2f0 [ 10.202907][ T1474] lookup_slow+0x53/0x70 [ 10.202907][ T1474] link_path_walk+0xd1e/0x18d0 [ 10.202907][ T1474] path_openat+0x22c/0x37e0 [ 10.202907][ T1474] do_file_open+0x23e/0x4a0 [ 10.202907][ T1474] do_open_execat+0x12b/0x590 [ 10.202907][ T1474] alloc_bprm+0x28/0x660 [ 10.202907][ T1474] page_owner free stack trace missing [ 10.202907][ T1474] [ 10.202907][ T1474] Memory state around the buggy address: [ 10.202907][ T1474] ffff888029c38480: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc [ 10.202907][ T1474] ffff888029c38500: fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb [ 10.202907][ T1474] >ffff888029c38580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 10.202907][ T1474] ^ [ 10.202907][ T1474] ffff888029c38600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 10.202907][ T1474] ffff888029c38680: fb fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb [ 10.202907][ T1474] ================================================================== [ 10.202907][ T1474] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 10.202907][ T1474] CPU: 1 UID: 0 PID: 1474 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 10.202907][ T1474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 10.202907][ T1474] Call Trace: [ 10.202907][ T1474] [ 10.202907][ T1474] vpanic+0x56c/0xa60 [ 10.202907][ T1474] ? __pfx_vpanic+0x10/0x10 [ 10.202907][ T1474] panic+0xc5/0xd0 [ 10.202907][ T1474] ? __pfx_panic+0x10/0x10 [ 10.202907][ T1474] ? _raw_spin_lock_irqsave+0x40/0x60 [ 10.202907][ T1474] ? rcu_is_watching+0x15/0xb0 [ 10.202907][ T1474] ? _raw_spin_lock_irqsave+0x40/0x60 [ 10.202907][ T1474] ? _raw_spin_lock_irqsave+0x40/0x60 [ 10.202907][ T1474] check_panic_on_warn+0x89/0xb0 [ 10.202907][ T1474] ? _raw_spin_lock_irqsave+0x40/0x60 [ 10.202907][ T1474] end_report+0x73/0x170 [ 10.202907][ T1474] ? _raw_spin_lock_irqsave+0x40/0x60 [ 10.202907][ T1474] kasan_report+0x128/0x150 [ 10.202907][ T1474] ? _raw_spin_lock_irqsave+0x40/0x60 [ 10.202907][ T1474] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 10.202907][ T1474] __kasan_check_byte+0x2a/0x40 [ 10.202907][ T1474] lock_acquire+0x84/0x350 [ 10.202907][ T1474] ? rcu_is_watching+0x15/0xb0 [ 10.202907][ T1474] _raw_spin_lock_irqsave+0x40/0x60 [ 10.202907][ T1474] ? rt_mutex_slowunlock+0xbf/0x8b0 [ 10.202907][ T1474] rt_mutex_slowunlock+0xbf/0x8b0 [ 10.202907][ T1474] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 10.202907][ T1474] ? __rcu_read_unlock+0x83/0xe0 [ 10.202907][ T1474] ? rt_spin_unlock+0x160/0x200 [ 10.202907][ T1474] d_alloc_parallel+0x103d/0x1630 [ 10.202907][ T1474] ? reacquire_held_locks+0x104/0x190 [ 10.202907][ T1474] ? d_alloc_parallel+0x3c4/0x1630 [ 10.202907][ T1474] ? __pfx_d_alloc_parallel+0x10/0x10 [ 10.202907][ T1474] ? down_read+0x156/0x200 [ 10.202907][ T1474] ? __pfx_down_read+0x10/0x10 [ 10.202907][ T1474] __lookup_slow+0x82/0x2f0 [ 10.202907][ T1474] lookup_slow+0x53/0x70 [ 10.202907][ T1474] link_path_walk+0xd1e/0x18d0 [ 10.202907][ T1474] path_openat+0x22c/0x37e0 [ 10.202907][ T1474] do_file_open+0x23e/0x4a0 [ 10.202907][ T1474] ? kasan_save_track+0x3e/0x80 [ 10.202907][ T1474] ? __kasan_slab_alloc+0x6c/0x80 [ 10.202907][ T1474] ? kmem_cache_alloc_noprof+0x354/0x6c0 [ 10.202907][ T1474] ? __pfx_do_file_open+0x10/0x10 [ 10.202907][ T1474] ? do_open_execat+0xad/0x590 [ 10.202907][ T1474] do_open_execat+0x12b/0x590 [ 10.202907][ T1474] ? rcu_is_watching+0x15/0xb0 [ 10.202907][ T1474] ? __pfx_do_open_execat+0x10/0x10 [ 10.202907][ T1474] ? kmem_cache_alloc_noprof+0x3bc/0x6c0 [ 10.202907][ T1474] ? do_getname_kernel+0x54/0x230 [ 10.202907][ T1474] ? do_getname_kernel+0x97/0x230 [ 10.202907][ T1474] alloc_bprm+0x28/0x660 [ 10.202907][ T1474] ? do_getname_kernel+0x183/0x230 [ 10.202907][ T1474] kernel_execve+0x87/0x930 [ 10.202907][ T1474] call_usermodehelper_exec_async+0x212/0x360 [ 10.202907][ T1474] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 10.202907][ T1474] ret_from_fork+0x514/0xb70 [ 10.202907][ T1474] ? __pfx_ret_from_fork+0x10/0x10 [ 10.202907][ T1474] ? __switch_to+0xc79/0x1410 [ 10.202907][ T1474] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 10.202907][ T1474] ret_from_fork_asm+0x1a/0x30 [ 10.202907][ T1474] [ 10.202907][ T1474] Kernel Offset: disabled