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@10.128.1.3" "pwd"]: exit status 255 ssh: connect to host 10.128.1.3 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 ac035810-d076-5c28-30a7-8a8b4aa306e2 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 [ 0.000008][ T0] kvm-clock: using sched offset of 10115964330 cycles [ 0.000016][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000043][ T0] tsc: Detected 2199.998 MHz processor [ 0.005207][ T0] e820: update [mem 0x00000000-0x00000fff] System RAM ==> device reserved [ 0.005240][ T0] e820: remove [mem 0x000a0000-0x000fffff] System RAM [ 0.005265][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.005357][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.005373][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005483][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.010443][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.010478][ T0] Using GB pages for direct mapping [ 0.014768][ T0] ACPI: Early table checksum verification disabled [ 0.014789][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.014813][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.014841][ T0] ACPI: FACP 0x00000000BFFFF370 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.014870][ T0] ACPI: DSDT 0x00000000BFFFD900 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.014891][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.014906][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.014922][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.014942][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.014963][ T0] ACPI: SSDT 0x00000000BFFFF470 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.014984][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.015002][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff370-0xbffff463] [ 0.015011][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd900-0xbffff363] [ 0.015019][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.015027][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.015046][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.0serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-0 port 1 (session ID: 895d6b858add56320525c3e95ddf6df12022dcae6627bdadec580ae5ac0f57dc, active connections: 1). 15054][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.015062][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff470-0xbffffdef] [ 0.015070][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.015212][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.015225][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.015234][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.015248][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.015262][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.015290][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.015300][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.015376][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.016207][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.364265][ T0] KernelAddressSanitizer initialized (generic) [ 0.364992][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.365033][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.365174][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.365191][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.365201][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.365211][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.365220][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.365240][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.365253][ T0] CPU topo: Max. logical packages: 1 [ 0.365259][ T0] CPU topo: Max. logical nodes: 1 [ 0.365263][ T0] CPU topo: Num. nodes per package: 1 [ 0.365273][ T0] CPU topo: Max. logical dies: 1 [ 0.365278][ T0] CPU topo: Max. dies per package: 1 [ 0.365292][ T0] CPU topo: Max. threads per core: 2 [ 0.365297][ T0] CPU topo: Num. cores per package: 1 [ 0.365302][ T0] CPU topo: Num. threads per package: 2 [ 0.365307][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.365428][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.365440][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.365451][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.365477][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.365485][ T0] Booting paravirtualized kernel on KVM [ 0.365497][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.542695][ T0] Zone ranges: [ 0.542707][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.542723][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.542733][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.542743][ T0] Device empty [ 0.542749][ T0] Movable zone start for each node [ 0.542753][ T0] Early memory node ranges [ 0.542757][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.542766][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.542776][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.542787][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.542801][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.542826][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.542892][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.543217][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.626465][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.707010][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.707879][ T0] percpu: Embedded 72 pages/cpu s254408 r8192 d32312 u1048576 [ 0.707920][ T0] pcpu-alloc: s254408 r8192 d32312 u1048576 alloc=1*2097152 [ 0.707937][ T0] pcpu-alloc: [0] 0 1 [ 0.708121][ T0] kvm-guest: PV spinlocks enabled [ 0.708134][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.708160][ 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 \ [ 0.708195][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.713332][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.713450][ T0] random: crng init done [ 0.713456][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.713816][ T0] software IO TLB: area num 2. [ 0.748176][ T0] Fallback order for Node 0: 0 1 [ 0.748204][ T0] Fallback order for Node 1: 1 0 [ 0.748223][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.748232][ T0] Policy zone: Normal [ 0.749034][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.749047][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.749060][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.754096][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.821080][ T0] ********************************************************** [ 1.821094][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.821099][ T0] ** ** [ 1.821103][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.821107][ T0] ** via the console, logs, and other interfaces. This ** [ 1.821111][ T0] ** might reduce the security of your system. ** [ 1.821116][ T0] ** ** [ 1.821120][ T0] ** If you see this message and you are not debugging ** [ 1.821124][ T0] ** the kernel, report this immediately to your system ** [ 1.821128][ T0] ** administrator! ** [ 1.821132][ T0] ** ** [ 1.821137][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.821141][ T0] ** ** [ 1.821145][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.821149][ T0] ********************************************************** [ 1.825335][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.988054][ T0] allocated 167772160 bytes of page_ext [ 1.988110][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.005326][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 2.011393][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 2.024853][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 2.025473][ T0] Kernel/User page tables isolation: enabled [ 2.028092][ T0] Dynamic Preempt: full [ 2.029472][ T0] Running RCU self tests [ 2.029478][ T0] Running RCU synchronous self tests [ 2.029484][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.029488][ T0] rcu: RCU lockdep checking is enabled. [ 2.029492][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 2.029500][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 2.029508][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 2.029513][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 2.029517][ T0] rcu: RCU debug extended QS entry/exit. [ 2.029521][ T0] No expedited grace period (rcu_normal_after_boot). [ 2.029525][ T0] Trampoline variant of Tasks RCU enabled. [ 2.029529][ T0] Tracing variant of Tasks RCU enabled. [ 2.029533][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.029540][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.029741][ T0] Running RCU synchronous self tests [ 2.029780][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 2.237917][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.239296][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.239362][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.239376][ T0] [ 2.239380][ T0] ============================= [ 2.239384][ T0] [ BUG: Invalid wait context ] [ 2.239389][ T0] syzkaller #0 Not tainted [ 2.239396][ T0] ----------------------------- [ 2.239399][ T0] swapper/0/0 is trying to lock: [ 2.239405][ T0] ffffffff8dfee4b8 (clocksource_mutex){....}-{4:4}, at: __clocksource_register_scale+0x921/0xff0 [ 2.239445][ T0] other info that might help us debug this: [ 2.239449][ T0] context-{5:5} [ 2.239455][ T0] 1 lock held by swapper/0/0: [ 2.239462][ T0] #0: ffffffff998449f0 (&tkd->lock){....}-{2:2}, at: timekeeping_init+0x227/0x390 [ 2.239503][ T0] stack backtrace: [ 2.239511][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 2.239526][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 2.239533][ T0] Call Trace: [ 2.239539][ T0] [ 2.239545][ T0] dump_stack_lvl+0xe8/0x150 [ 2.239564][ T0] __lock_acquire+0xe39/0x2ce0 [ 2.239583][ T0] ? __wake_up_klogd+0xe6/0x120 [ 2.239598][ T0] ? vprintk_emit+0x4eb/0x560 [ 2.239611][ T0] ? __pfx_vprintk_emit+0x10/0x10 [ 2.239625][ T0] ? __clocksource_register_scale+0x921/0xff0 [ 2.239638][ T0] lock_acquire+0x106/0x350 [ 2.239654][ T0] ? __clocksource_register_scale+0x921/0xff0 [ 2.239668][ T0] ? __pfx__printk+0x10/0x10 [ 2.239680][ T0] ? __might_resched+0x22/0x480 [ 2.239693][ T0] ? __clocksource_register_scale+0x921/0xff0 [ 2.239706][ T0] mutex_lock_nested+0x5a/0x1d0 [ 2.239726][ T0] ? __clocksource_register_scale+0x921/0xff0 [ 2.239740][ T0] __clocksource_register_scale+0x921/0xff0 [ 2.239756][ T0] clocksource_default_clock+0x20/0x40 [ 2.239772][ T0] timekeeping_init+0x236/0x390 [ 2.239787][ T0] ? __pfx_timekeeping_init+0x10/0x10 [ 2.239801][ T0] ? __split_page_owner+0x2d/0x300 [ 2.239816][ T0] ? __split_page_owner+0x2d/0x300 [ 2.239829][ T0] ? vdso_setup_data_pages+0xa3/0x130 [ 2.239843][ T0] ? __asan_memcpy+0x40/0x70 [ 2.239854][ T0] start_kernel+0x1db/0x3e0 [ 2.239869][ T0] x86_64_start_reservations+0x24/0x30 [ 2.239887][ T0] x86_64_start_kernel+0x137/0x1b0 [ 2.239905][ T0] common_startup_64+0x13e/0x157 [ 2.239920][ T0] [ 2.240654][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 2.242320][ T0] Console: colour VGA+ 80x25 [ 2.855156][ T0] printk: legacy console [ttyS0] enabled [ 2.855172][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.855194][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.855199][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.855204][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.855209][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.855214][ T0] ... CLASSHASH_SIZE: 4096 [ 2.855219][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.855224][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.855229][ T0] ... CHAINHASH_SIZE: 524288 [ 2.855234][ T0] memory used by lock dependency info: 106625 kB [ 2.855240][ T0] memory used for stack traces: 8320 kB [ 2.855245][ T0] per task-struct memory footprint: 1920 bytes [ 2.855485][ T0] ACPI: Core revision 20260408 [ 2.856698][ T0] APIC: Switch to symmetric I/O mode setup [ 2.857406][ T0] x2apic enabled [ 2.865872][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.876166][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.876779][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 2.876816][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 2.877886][ T0] numa_add_cpu cpu 0 node 0: mask now 0 [ 2.877905][ T0] numa_add_cpu cpu 0 node 1: mask now 0 [ 2.877918][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.877929][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 2.878017][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.878042][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.878050][ T0] Spectre V2 : Mitigation: IBRS [ 2.878055][ T0] RETBleed: Mitigation: IBRS [ 2.878060][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.878065][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.878070][ T0] MDS: Mitigation: Clear CPU buffers [ 2.878074][ T0] TAA: Mitigation: Clear CPU buffers [ 2.878079][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.878085][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.878095][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.878110][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.878144][ T0] active return thunk: its_return_thunk [ 2.878167][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.878201][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.878209][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.878215][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.878223][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.878232][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 3.199000][ T0] pid_max: default: 32768 minimum: 301 [ 3.200219][ T0] landlock: Up and running. [ 3.200229][ T0] Yama: becoming mindful. [ 3.200497][ T0] TOMOYO Linux initialized [ 3.201276][ T0] AppArmor: AppArmor initialized [ 3.202739][ T0] LSM support for eBPF active [ 3.208632][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 3.211386][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 3.211736][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 3.211883][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 3.213463][ T0] VFS: Finished mounting rootfs on nullfs [ 3.216474][ T0] Running RCU synchronous self tests [ 3.216488][ T0] Running RCU synchronous self tests [ 3.337324][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 3.340379][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 3.340521][ T1] signal: max sigframe size: 1776 [ 3.346879][ T1] rcu: Hierarchical SRCU implementation. [ 3.346892][ T1] rcu: Max phase no-delay instances is 1000. [ 3.348182][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 3.584101][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 3.584844][ T1] smp: Bringing up secondary CPUs ... [ 3.602193][ T1] smpboot: x86: Booting SMP configuration: [ 3.602202][ T1] .... node #0, CPUs: #1 [ 0.627462][ T0] numa_add_cpu cpu 1 node 0: mask now 0-1 [ 0.627462][ T0] numa_add_cpu cpu 1 node 1: mask now 0-1 [ 3.607020][ 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. [ 3.607041][ 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. [ 3.607053][ 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. [ 3.607141][ T1] smp: Brought up 2 nodes, 2 CPUs [ 3.607158][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 3.608191][ T1] Memory: 6466092K/8388204K available (167196K kernel code, 29606K rwdata, 39824K rodata, 25508K init, 129248K bss, 1733740K reserved, 0K cma-reserved) [ 3.610013][ T1] devtmpfs: initialized [ 3.610508][ T1] x86/mm: Memory block size: 128MB [ 3.691968][ T1] Running RCU synchronous self tests [ 3.691998][ T1] Running RCU synchronous self tests [ 3.692053][ T1] Running RCU Tasks wait API self tests [ 3.692053][ T1] Running RCU Tasks Trace wait API self tests [ 3.692053][ T36] Callback from call_rcu_tasks() invoked. [ 3.700206][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 3.700206][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 3.700206][ T1] xor: automatically using best checksumming function avx [ 3.700591][ T1] PM: RTC time: 21:59:57, date: 2026-06-18 [ 3.713447][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.725250][ T1] audit: initializing netlink subsys (disabled) [ 3.727092][ T38] audit: type=2000 audit(1781819996.532:1): state=initialized audit_enabled=0 res=1 [ 3.729983][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.730122][ T1] cpuidle: using governor menu [ 3.730422][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.733379][ T1] Freeing SMP alternatives memory: 128K [ 3.740549][ T1] dca service started, version 1.12.1 [ 3.743936][ T10] Callback from call_rcu_tasks_trace() invoked. [ 3.740549][ T1] PCI: Using configuration type 1 for base access [ 3.776969][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.776991][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.777007][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.777017][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.811568][ T1] raid6: using avx2x2 recovery algorithm [ 3.811585][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 3.814769][ T1] ACPI: Added _OSI(Module Device) [ 3.814784][ T1] ACPI: Added _OSI(Processor Device) [ 3.814793][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.000183][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.038645][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 4.066630][ T1] ACPI: Interpreter enabled [ 4.069652][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 4.069670][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.070147][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.070161][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 4.075667][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.340069][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.340192][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.340215][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 4.340599][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 4.341022][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 4.393251][ T1] PCI host bridge to bus 0000:00 [ 4.393276][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.393581][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.393615][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.393645][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.393676][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 4.393777][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.394168][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 4.407977][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 4.414076][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 4.431070][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.436455][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 4.455035][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 4.455077][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 4.473302][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 4.483879][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 4.483932][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 4.497268][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 4.516925][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 4.517542][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.523132][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 4.540066][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 4.545555][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.561664][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.561720][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 4.617154][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.635171][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.647723][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.661185][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.670165][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.697557][ T1] iommu: Default domain type: Translated [ 4.697557][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.717206][ T1] SCSI subsystem initialized [ 4.717404][ T1] libata version 3.00 loaded. [ 4.717404][ T1] ACPI: bus type USB registered [ 4.717404][ T1] usbcore: registered new interface driver usbfs [ 4.717404][ T1] usbcore: registered new interface driver hub [ 4.717404][ T1] usbcore: registered new device driver usb [ 4.735974][ T1] mc: Linux media interface: v0.10 [ 4.736415][ T1] videodev: Linux video capture interface: v2.00 [ 4.742396][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.742412][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.742587][ T1] PTP clock support registered [ 4.757404][ T1] EDAC MC: Ver: 3.0.0 [ 4.783928][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.804140][ T1] Bluetooth: Core ver 2.22 [ 4.804446][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.804456][ T1] Bluetooth: HCI device and connection manager initialized [ 4.804494][ T1] Bluetooth: HCI socket layer initialized [ 4.804523][ T1] Bluetooth: L2CAP socket layer initialized [ 4.804605][ T1] Bluetooth: SCO socket layer initialized [ 4.804670][ T1] NET: Registered PF_ATMPVC protocol family [ 4.804998][ T1] NetLabel: Initializing [ 4.805005][ T1] NetLabel: domain hash size = 128 [ 4.805014][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.805509][ T1] NetLabel: unlabeled traffic allowed by default [ 4.808773][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.809141][ T1] NET: Registered PF_NFC protocol family [ 4.809284][ T1] mctp: management component transport protocol core [ 4.809295][ T1] NET: Registered PF_MCTP protocol family [ 4.809674][ T1] PCI: Using ACPI for IRQ routing [ 4.809685][ T1] PCI: pci_cache_line_size set to 64 bytes [ 4.810027][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.810071][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 4.810892][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.810909][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.810921][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.810947][ T1] vgaarb: loaded [ 4.819145][ T1] clocksource: Switched to clocksource kvm-clock [ 4.826806][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.826982][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 4.860624][ T1] netfs: FS-Cache loaded [ 4.865652][ T1] CacheFiles: Loaded [ 4.866523][ T1] TOMOYO: 2.6.0 [ 4.866532][ T1] Mandatory Access Control activated. [ 4.881892][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.882740][ T1] pnp: PnP ACPI init [ 4.948553][ T1] pnp: PnP ACPI: found 6 devices [ 5.039961][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 5.042003][ T1] NET: Registered PF_INET protocol family [ 5.043696][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 5.078788][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 5.079854][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 5.080903][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 5.132573][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 5.153187][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 5.155993][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 5.169829][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 5.173072][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 5.188732][ T1] RPC: Registered named UNIX socket transport module. [ 5.188754][ T1] RPC: Registered udp transport module. [ 5.188764][ T1] RPC: Registered tcp transport module. [ 5.188857][ T1] RPC: Registered tcp-with-tls transport module. [ 5.188867][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 5.195875][ T1] NET: Registered PF_XDP protocol family [ 5.196123][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 5.196151][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 5.196169][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 5.196189][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 5.197755][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 5.198116][ T1] PCI: CLS 0 bytes, default 64 [ 5.203847][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 5.203863][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 5.204424][ T1] ACPI: bus type thunderbolt registered [ 5.213946][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 5.248042][ T69] kworker/u8:4 (69) used greatest stack depth: 27928 bytes left [ 5.248717][ T70] kworker/u8:4 (70) used greatest stack depth: 27192 bytes left [ 5.249214][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 5.249240][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 5.249844][ T1] clocksource: Switched to clocksource tsc [ 5.284906][ T75] kworker/u8:3 (75) used greatest stack depth: 27064 bytes left [ 5.312037][ T1] Initialise system trusted keyrings [ 5.313713][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 5.322569][ T1] DLM installed [ 5.328302][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.337269][ T1] NFS: Registering the id_resolver key type [ 5.337368][ T1] Key type id_resolver registered [ 5.337379][ T1] Key type id_legacy registered [ 5.337757][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.337804][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.341475][ T1] smbdirect: subsystem loading... [ 5.349928][ T1] smbdirect: subsystem loaded [ 5.375976][ T1] Key type cifs.spnego registered [ 5.376231][ T1] Key type cifs.idmap registered [ 5.382869][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.382884][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.383240][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 5.383329][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.385427][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.385637][ T1] QNX4 filesystem 0.2.3 registered. [ 5.385721][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.386605][ T1] fuse: init (API version 7.45) [ 5.391764][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.393127][ T1] orangefs_init: module version upstream loaded [ 5.394011][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.408206][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 5.425196][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.425936][ T1] NILFS version 2 loaded [ 5.425947][ T1] befs: version: 0.9.3 [ 5.426714][ T1] ocfs2: Registered cluster interface o2cb [ 5.429392][ T1] ocfs2: Registered cluster interface user [ 5.430079][ T1] OCFS2 User DLM kernel interface loaded [ 5.454899][ T1] gfs2: GFS2 installed [ 5.471313][ T1] ceph: loaded (mds proto 32) [ 5.480822][ T1] NET: Registered PF_ALG protocol family [ 5.481029][ T1] async_tx: api initialized (async) [ 5.481074][ T1] Key type asymmetric registered [ 5.481087][ T1] Asymmetric key parser 'x509' registered [ 5.481099][ T1] Asymmetric key parser 'pkcs8' registered [ 5.481111][ T1] Key type pkcs7_test registered [ 5.481716][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 5.482964][ T1] io scheduler mq-deadline registered [ 5.482978][ T1] io scheduler kyber registered [ 5.483313][ T1] io scheduler bfq registered [ 5.506806][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 5.509072][ T1] ACPI: button: Power Button [PWRF] [ 5.512045][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 5.514228][ T1] ACPI: button: Sleep Button [SLPF] [ 5.542868][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 5.576033][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.576238][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.614790][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.614979][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.654503][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.654676][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.680632][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 6.369230][ T1] N_HDLC line discipline registered with maxframe=4096 [ 6.370919][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.378625][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.397439][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 6.415327][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 6.430315][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 6.465989][ T1] Non-volatile memory driver v1.3 [ 6.498872][ T1] usbcore: registered new interface driver xillyusb [ 6.505627][ T1] ACPI: bus type drm_connector registered [ 6.512741][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 6.525097][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 6.649582][ T1] Console: switching to colour frame buffer device 128x48 [ 6.719917][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 6.720547][ T1] usbcore: registered new interface driver udl [ 6.724708][ T1] usbcore: registered new interface driver gm12u320 [ 6.725517][ T1] usbcore: registered new interface driver gud [ 6.866504][ T1] brd: module loaded [ 7.158973][ T1] loop: module loaded [ 7.395198][ T1] zram: Added device: zram0 [ 7.409380][ T1] null_blk: disk nullb0 created [ 7.409399][ T1] null_blk: module loaded [ 7.414523][ T1] Guest personality initialized and is inactive [ 7.415941][ T1] VMCI host device registered (name=vmci, major=10, minor=267) [ 7.415961][ T1] Initialized host personality [ 7.416741][ T1] usbcore: registered new interface driver rtsx_usb [ 7.460135][ T1] usbcore: registered new interface driver viperboard [ 7.460925][ T1] usbcore: registered new interface driver dln2 [ 7.463851][ T1] usbcore: registered new interface driver pn533_usb [ 7.475298][ T1] nfcsim 0.2 initialized [ 7.475811][ T1] usbcore: registered new interface driver port100 [ 7.476199][ T1] usbcore: registered new interface driver nfcmrvl [ 7.485298][ T1] Loading iSCSI transport class v2.0-870. [ 7.519799][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 7.576726][ T1] scsi host0: Virtio SCSI HBA [ 7.577022][ T1] blk-mq: reduced tag depth to 10240 [ 7.773649][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 7.794218][ T1042] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 7.876356][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 7.891036][ T1] db_root: cannot open: /etc/target [ 7.893677][ T1] slram: not enough parameters. [ 7.922305][ T1] ftl_cs: FTL header not found. [ 8.025225][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 8.025244][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 8.025257][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 8.047750][ T1] MACsec IEEE 802.1AE [ 8.090189][ T1] usbcore: registered new interface driver mvusb_mdio [ 8.090584][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 8.283495][ T1] vcan: Virtual CAN interface driver [ 8.283571][ T1] vxcan: Virtual CAN Tunnel driver [ 8.283610][ T1] slcan: serial line CAN interface driver [ 8.283650][ T1] CAN device driver interface [ 8.284133][ T1] usbcore: registered new interface driver usb_8dev [ 8.288888][ T1] usbcore: registered new interface driver ems_usb [ 8.289856][ T1] usbcore: registered new interface driver esd_usb [ 8.290787][ T1] usbcore: registered new interface driver etas_es58x [ 8.291687][ T1] usbcore: registered new interface driver f81604 [ 8.292309][ T1] usbcore: registered new interface driver gs_usb [ 8.292702][ T1] usbcore: registered new interface driver kvaser_usb [ 8.294402][ T1] usbcore: registered new interface driver mcba_usb [ 8.295159][ T1] usbcore: registered new interface driver peak_usb [ 8.295548][ T1] usbcore: registered new interface driver ucan [ 8.298131][ T1] e100: Intel(R) PRO/100 Network Driver [ 8.298143][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 8.299100][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 8.299110][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 8.300092][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 8.300100][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.302649][ T1] PPP generic driver version 2.4.2 [ 8.304232][ T1] PPP BSD Compression module registered [ 8.304262][ T1] PPP Deflate Compression module registered [ 8.304280][ T1] PPP MPPE Compression module registered [ 8.304293][ T1] NET: Registered PF_PPPOX protocol family [ 8.304397][ T1] PPTP driver version 0.8.5 [ 8.304965][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 8.304980][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 8.304987][ T1] SLIP linefill/keepalive option. [ 8.305004][ T1] hdlc: HDLC support module revision 1.22 [ 8.305056][ T1] LAPB Ethernet driver version 0.02 [ 8.308446][ T1] usbcore: registered new interface driver ath9k_htc [ 8.309179][ T1] usbcore: registered new interface driver carl9170 [ 8.309861][ T1] usbcore: registered new interface driver ath6kl_usb [ 8.310598][ T1] usbcore: registered new interface driver ar5523 [ 8.312699][ T1] usbcore: registered new interface driver ath10k_usb [ 8.313526][ T1] usbcore: registered new interface driver plfxlc [ 8.314419][ T1] mac80211_hwsim: initializing netlink [ 8.318884][ T1] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' [ 8.339006][ T1] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht' [ 8.364596][ T1] usbcore: registered new interface driver atusb [ 8.436660][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 8.440716][ T1] VMware vmxnet3 virtual NIC driver - version 1.9.0.0-k-NAPI [ 8.443845][ T1] usbcore: registered new interface driver catc [ 8.446707][ T1] usbcore: registered new interface driver kaweth [ 8.446730][ T1] pegasus: Pegasus/Pegasus II USB Ethernet driver [ 8.447246][ T1] usbcore: registered new interface driver pegasus [ 8.449603][ T1] usbcore: registered new interface driver rtl8150 [ 8.449811][ T1] usbcore: registered new device driver r8152-cfgselector [ 8.450313][ T1] usbcore: registered new interface driver r8152 [ 8.454075][ T1] usbcore: registered new interface driver hso [ 8.461312][ T1] usbcore: registered new interface driver lan78xx [ 8.462383][ T1] usbcore: registered new interface driver asix [ 8.463737][ T1] usbcore: registered new interface driver ax88179_178a [ 8.466131][ T1] usbcore: registered new interface driver cdc_ether [ 8.466694][ T1] usbcore: registered new interface driver cdc_eem [ 8.468400][ T1] usbcore: registered new interface driver dm9601 [ 8.469026][ T1] usbcore: registered new interface driver sr9700 [ 8.472103][ T1] usbcore: registered new interface driver CoreChips [ 8.474520][ T1] usbcore: registered new interface driver smsc75xx [ 8.475029][ T1] usbcore: registered new interface driver smsc95xx [ 8.476518][ T1] usbcore: registered new interface driver gl620a [ 8.478468][ T1] usbcore: registered new interface driver net1080 [ 8.478905][ T1] usbcore: registered new interface driver plusb [ 8.480308][ T1] usbcore: registered new interface driver rndis_host [ 8.480732][ T1] usbcore: registered new interface driver cdc_subset [ 8.481193][ T1] usbcore: registered new interface driver zaurus [ 8.481593][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 8.488995][ T1] usbcore: registered new interface driver int51x1 [ 8.489497][ T1] usbcore: registered new interface driver cdc_phonet [ 8.492416][ T1] usbcore: registered new interface driver kalmia [ 8.494916][ T1] usbcore: registered new interface driver ipheth [ 8.495600][ T1] usbcore: registered new interface driver sierra_net [ 8.496007][ T1] usbcore: registered new interface driver cx82310_eth [ 8.496398][ T1] usbcore: registered new interface driver cdc_ncm [ 8.496774][ T1] usbcore: registered new interface driver huawei_cdc_ncm [ 8.503142][ T1] usbcore: registered new interface driver lg-vl600 [ 8.503771][ T1] usbcore: registered new interface driver qmi_wwan [ 8.505455][ T1] usbcore: registered new interface driver cdc_mbim [ 8.508590][ T1] usbcore: registered new interface driver ch9200 [ 8.509111][ T1] usbcore: registered new interface driver aqc111 [ 8.510990][ T1] usbcore: registered new interface driver r8153_ecm [ 8.633512][ T1] VFIO - User Level meta-driver version: 0.3 [ 8.971144][ T1] aoe: AoE v85 initialised. [ 9.043166][ T1] usbcore: registered new interface driver cdc_acm [ 9.043188][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 9.044738][ T1] usbcore: registered new interface driver usblp [ 9.046913][ T1] usbcore: registered new interface driver cdc_wdm [ 9.047370][ T1] usbcore: registered new interface driver usbtmc [ 9.100097][ T1] usbcore: registered new interface driver uas [ 9.101909][ T1] usbcore: registered new interface driver usb-storage [ 9.103695][ T1] usbcore: registered new interface driver ums-alauda [ 9.104519][ T1] usbcore: registered new interface driver ums-cypress [ 9.105847][ T1] usbcore: registered new interface driver ums-datafab [ 9.106254][ T1] usbcore: registered new interface driver ums_eneub6250 [ 9.106678][ T1] usbcore: registered new interface driver ums-freecom [ 9.107083][ T1] usbcore: registered new interface driver ums-isd200 [ 9.114677][ T1] usbcore: registered new interface driver ums-jumpshot [ 9.116043][ T1] usbcore: registered new interface driver ums-karma [ 9.116628][ T1] usbcore: registered new interface driver ums-onetouch [ 9.117206][ T1] usbcore: registered new interface driver ums-realtek [ 9.144195][ T1] usbcore: registered new interface driver ums-sddr09 [ 9.211138][ T1] usbcore: registered new interface driver ums-sddr55 [ 9.211633][ T1] usbcore: registered new interface driver ums-usbat [ 9.241646][ T1] usbcore: registered new interface driver mdc800 [ 9.241665][ T1] mdc800: v0.7.5 (30/10/2000):USB Driver for Mustek MDC800 Digital Camera [ 9.242321][ T1] usbcore: registered new interface driver microtekX6 [ 9.244533][ T1] usbcore: registered new interface driver usbserial_generic [ 9.244765][ T1] usbserial: USB Serial support registered for generic [ 9.245183][ T1] usbcore: registered new interface driver aircable [ 9.245388][ T1] usbserial: USB Serial support registered for aircable [ 9.245739][ T1] usbcore: registered new interface driver ark3116 [ 9.246011][ T1] usbserial: USB Serial support registered for ark3116 [ 9.246681][ T1] usbcore: registered new interface driver belkin_sa [ 9.246879][ T1] usbserial: USB Serial support registered for Belkin / Peracom / GoHubs USB Serial Adapter [ 9.248709][ T1] usbcore: registered new interface driver ch341 [ 9.248893][ T1] usbserial: USB Serial support registered for ch341-uart [ 9.249285][ T1] usbcore: registered new interface driver cp210x [ 9.255384][ T1] usbserial: USB Serial support registered for cp210x [ 9.255745][ T1] usbcore: registered new interface driver cyberjack [ 9.256012][ T1] usbserial: USB Serial support registered for Reiner SCT Cyberjack USB card reader [ 9.256319][ T1] usbcore: registered new interface driver cypress_m8 [ 9.256467][ T1] usbserial: USB Serial support registered for DeLorme Earthmate USB [ 9.261299][ T1] usbserial: USB Serial support registered for HID->COM RS232 Adapter [ 9.261499][ T1] usbserial: USB Serial support registered for Nokia CA-42 V2 Adapter [ 9.263275][ T1] usbcore: registered new interface driver usb_debug [ 9.263871][ T1] usbserial: USB Serial support registered for debug [ 9.265975][ T1] usbserial: USB Serial support registered for xhci_dbc [ 9.266479][ T1] usbcore: registered new interface driver digi_acceleport [ 9.266705][ T1] usbserial: USB Serial support registered for Digi 2 port USB adapter [ 9.266854][ T1] usbserial: USB Serial support registered for Digi 4 port USB adapter [ 9.276602][ T1] usbcore: registered new interface driver io_edgeport [ 9.284681][ T1] usbserial: USB Serial support registered for Edgeport 2 port adapter [ 9.284899][ T1] usbserial: USB Serial support registered for Edgeport 4 port adapter [ 9.285046][ T1] usbserial: USB Serial support registered for Edgeport 8 port adapter [ 9.285196][ T1] usbserial: USB Serial support registered for EPiC device [ 9.285575][ T1] usbcore: registered new interface driver io_ti [ 9.285727][ T1] usbserial: USB Serial support registered for Edgeport TI 1 port adapter [ 9.285875][ T1] usbserial: USB Serial support registered for Edgeport TI 2 port adapter [ 9.290182][ T1] usbcore: registered new interface driver empeg [ 9.290417][ T1] usbserial: USB Serial support registered for empeg [ 9.290993][ T1] usbcore: registered new interface driver f81534a_ctrl [ 9.299898][ T1] usbcore: registered new interface driver f81232 [ 9.300111][ T1] usbserial: USB Serial support registered for f81232 [ 9.300323][ T1] usbserial: USB Serial support registered for f81534a [ 9.311115][ T1] usbcore: registered new interface driver f81534 [ 9.311968][ T1] usbserial: USB Serial support registered for Fintek F81532/F81534 [ 9.312372][ T1] usbcore: registered new interface driver ftdi_sio [ 9.312560][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 9.312835][ T1] usbcore: registered new interface driver garmin_gps [ 9.312992][ T1] usbserial: USB Serial support registered for Garmin GPS usb/tty [ 9.318331][ T1] usbcore: registered new interface driver ipaq [ 9.318615][ T1] usbserial: USB Serial support registered for PocketPC PDA [ 9.318963][ T1] usbcore: registered new interface driver ipw [ 9.319112][ T1] usbserial: USB Serial support registered for IPWireless converter [ 9.319430][ T1] usbcore: registered new interface driver ir_usb [ 9.319602][ T1] usbserial: USB Serial support registered for IR Dongle [ 9.325827][ T1] usbcore: registered new interface driver iuu_phoenix [ 9.326080][ T1] usbserial: USB Serial support registered for iuu_phoenix [ 9.326426][ T1] usbcore: registered new interface driver keyspan [ 9.326589][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 9.326735][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 9.330725][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 9.330986][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 9.331401][ T1] usbcore: registered new interface driver keyspan_pda [ 9.331732][ T1] usbserial: USB Serial support registered for Keyspan PDA [ 9.337391][ T1] usbserial: USB Serial support registered for Keyspan PDA - (prerenumeration) [ 9.341385][ T1] usbcore: registered new interface driver kl5kusb105 [ 9.341605][ T1] usbserial: USB Serial support registered for KL5KUSB105D / PalmConnect [ 9.341955][ T1] usbcore: registered new interface driver kobil_sct [ 9.368008][ T1] usbserial: USB Serial support registered for KOBIL USB smart card terminal [ 9.368541][ T1] usbcore: registered new interface driver mct_u232 [ 9.368759][ T1] usbserial: USB Serial support registered for MCT U232 [ 9.374434][ T1] usbcore: registered new interface driver metro_usb [ 9.375168][ T1] usbserial: USB Serial support registered for Metrologic USB to Serial [ 9.375543][ T1] usbcore: registered new interface driver mos7720 [ 9.375718][ T1] usbserial: USB Serial support registered for Moschip 2 port adapter [ 9.376028][ T1] usbcore: registered new interface driver mos7840 [ 9.387876][ T1] usbserial: USB Serial support registered for Moschip 7840/7820 USB Serial Driver [ 9.388301][ T1] usbcore: registered new interface driver mxuport [ 9.388559][ T1] usbserial: USB Serial support registered for MOXA UPort [ 9.388877][ T1] usbcore: registered new interface driver navman [ 9.389028][ T1] usbserial: USB Serial support registered for navman [ 9.393753][ T1] usbcore: registered new interface driver omninet [ 9.393966][ T1] usbserial: USB Serial support registered for ZyXEL - omni.net usb [ 9.394337][ T1] usbcore: registered new interface driver opticon [ 9.394532][ T1] usbserial: USB Serial support registered for opticon [ 9.400811][ T1] usbcore: registered new interface driver option [ 9.401177][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 9.401549][ T1] usbcore: registered new interface driver oti6858 [ 9.401708][ T1] usbserial: USB Serial support registered for oti6858 [ 9.402025][ T1] usbcore: registered new interface driver pl2303 [ 9.413974][ T1] usbserial: USB Serial support registered for pl2303 [ 9.416266][ T1] usbcore: registered new interface driver qcaux [ 9.416461][ T1] usbserial: USB Serial support registered for qcaux [ 9.416796][ T1] usbcore: registered new interface driver qcserial [ 9.418089][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 9.418411][ T1] usbcore: registered new interface driver quatech2 [ 9.434115][ T1] usbserial: USB Serial support registered for Quatech 2nd gen USB to Serial Driver [ 9.434634][ T1] usbcore: registered new interface driver safe_serial [ 9.440073][ T1] usbserial: USB Serial support registered for safe_serial [ 9.440467][ T1] usbcore: registered new interface driver sierra [ 9.440703][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 9.441007][ T1] usbcore: registered new interface driver usb_serial_simple [ 9.441164][ T1] usbserial: USB Serial support registered for carelink [ 9.446394][ T1] usbserial: USB Serial support registered for flashloader [ 9.446629][ T1] usbserial: USB Serial support registered for funsoft [ 9.446783][ T1] usbserial: USB Serial support registered for google [ 9.446933][ T1] usbserial: USB Serial support registered for hp4x [ 9.447084][ T1] usbserial: USB Serial support registered for kaufmann [ 9.452555][ T1] usbserial: USB Serial support registered for libtransistor [ 9.454932][ T1] usbserial: USB Serial support registered for moto_modem [ 9.455209][ T1] usbserial: USB Serial support registered for motorola_tetra [ 9.456118][ T1] usbserial: USB Serial support registered for nokia [ 9.456296][ T1] usbserial: USB Serial support registered for novatel_gps [ 9.456475][ T1] usbserial: USB Serial support registered for owon [ 9.456706][ T1] usbserial: USB Serial support registered for siemens_mpi [ 9.456951][ T1] usbserial: USB Serial support registered for suunto [ 9.460044][ T1408] ================================================================== [ 9.460061][ T1408] BUG: KASAN: slab-use-after-free in do_raw_spin_lock+0x28b/0x2f0 [ 9.460096][ T1408] Read of size 4 at addr ffff888029c3cb0c by task kworker/u8:7/1408 [ 9.460113][ T1408] [ 9.460126][ T1408] CPU: 1 UID: 0 PID: 1408 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 9.460148][ T1408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 9.460159][ T1408] Call Trace: [ 9.460167][ T1408] [ 9.460175][ T1408] dump_stack_lvl+0xe8/0x150 [ 9.460201][ T1408] print_address_description+0x55/0x1e0 [ 9.460225][ T1408] ? do_raw_spin_lock+0x28b/0x2f0 [ 9.460245][ T1408] print_report+0x58/0x70 [ 9.460265][ T1408] kasan_report+0x117/0x150 [ 9.460294][ T1408] ? do_raw_spin_lock+0x28b/0x2f0 [ 9.460335][ T1408] do_raw_spin_lock+0x28b/0x2f0 [ 9.460355][ T1408] ? rcu_is_watching+0x15/0xb0 [ 9.460374][ T1408] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9.460396][ T1408] ? rcu_is_watching+0x15/0xb0 [ 9.460415][ T1408] _raw_spin_lock_irqsave+0x4c/0x60 [ 9.460439][ T1408] rt_mutex_slowunlock+0xbf/0xa20 [ 9.460459][ T1408] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 9.460478][ T1408] ? __rcu_read_unlock+0x83/0xe0 [ 9.460501][ T1408] ? rt_spin_unlock+0x160/0x200 [ 9.460520][ T1408] d_alloc_parallel+0x10c0/0x16c0 [ 9.460550][ T1408] ? d_alloc_parallel+0x3cf/0x16c0 [ 9.460576][ T1408] ? __pfx_d_alloc_parallel+0x10/0x10 [ 9.460604][ T1408] ? down_read+0x156/0x200 [ 9.460628][ T1408] ? __pfx_down_read+0x10/0x10 [ 9.460665][ T1408] __lookup_slow+0x82/0x2f0 [ 9.460690][ T1408] lookup_slow+0x53/0x70 [ 9.460712][ T1408] link_path_walk+0xd2a/0x1910 [ 9.460742][ T1408] path_openat+0x23c/0x3850 [ 9.460766][ T1408] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 9.460792][ T1408] ? arch_stack_walk+0x11b/0x150 [ 9.460822][ T1408] ? ret_from_fork_asm+0x1a/0x30 [ 9.460854][ T1408] do_file_open+0x23e/0x4a0 [ 9.460875][ T1408] ? kasan_save_track+0x3e/0x80 [ 9.460893][ T1408] ? __kasan_slab_alloc+0x6c/0x80 [ 9.460912][ T1408] ? kmem_cache_alloc_noprof+0x355/0x650 [ 9.460963][ T1408] ? __pfx_do_file_open+0x10/0x10 [ 9.460996][ T1408] ? do_open_execat+0xad/0x590 [ 9.461018][ T1408] do_open_execat+0x12b/0x590 [ 9.461038][ T1408] ? rcu_is_watching+0x15/0xb0 [ 9.461055][ T1408] ? __pfx_do_open_execat+0x10/0x10 [ 9.461077][ T1408] ? kmem_cache_alloc_noprof+0x3bd/0x650 [ 9.461104][ T1408] ? do_getname_kernel+0x54/0x230 [ 9.461127][ T1408] ? do_getname_kernel+0x97/0x230 [ 9.461146][ T1408] alloc_bprm+0x24/0x640 [ 9.461169][ T1408] kernel_execve+0x85/0x9c0 [ 9.461194][ T1408] call_usermodehelper_exec_async+0x212/0x360 [ 9.461220][ T1408] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 9.461249][ T1408] ret_from_fork+0x514/0xb70 [ 9.461272][ T1408] ? __pfx_ret_from_fork+0x10/0x10 [ 9.461293][ T1408] ? __switch_to+0xc89/0x1420 [ 9.461313][ T1408] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 9.461340][ T1408] ret_from_fork_asm+0x1a/0x30 [ 9.461368][ T1408] [ 9.461375][ T1408] [ 9.461380][ T1408] Allocated by task 1404: [ 9.461389][ T1408] kasan_save_track+0x3e/0x80 [ 9.461407][ T1408] __kasan_slab_alloc+0x6c/0x80 [ 9.461424][ T1408] kmem_cache_alloc_lru_noprof+0x353/0x650 [ 9.461441][ T1408] __d_alloc+0x37/0x6f0 [ 9.461459][ T1408] d_alloc_parallel+0xde/0x16c0 [ 9.461479][ T1408] __lookup_slow+0x82/0x2f0 [ 9.461496][ T1408] lookup_slow+0x53/0x70 [ 9.461521][ T1408] link_path_walk+0xd2a/0x1910 [ 9.461538][ T1408] path_openat+0x23c/0x3850 [ 9.461557][ T1408] do_file_open+0x23e/0x4a0 [ 9.461576][ T1408] do_open_execat+0x12b/0x590 [ 9.461594][ T1408] alloc_bprm+0x24/0x640 [ 9.461613][ T1408] kernel_execve+0x85/0x9c0 [ 9.461631][ T1408] call_usermodehelper_exec_async+0x212/0x360 [ 9.461654][ T1408] ret_from_fork+0x514/0xb70 [ 9.461672][ T1408] ret_from_fork_asm+0x1a/0x30 [ 9.461693][ T1408] [ 9.461697][ T1408] Freed by task 29: [ 9.461706][ T1408] kasan_save_track+0x3e/0x80 [ 9.461722][ T1408] kasan_save_free_info+0x40/0x50 [ 9.461744][ T1408] __kasan_slab_free+0x5c/0x80 [ 9.461761][ T1408] kmem_cache_free+0x187/0x6c0 [ 9.461779][ T1408] rcu_cpu_kthread+0x950/0x1480 [ 9.461802][ T1408] smpboot_thread_fn+0x57c/0xa80 [ 9.461819][ T1408] kthread+0x388/0x470 [ 9.461838][ T1408] ret_from_fork+0x514/0xb70 [ 9.461857][ T1408] ret_from_fork_asm+0x1a/0x30 [ 9.461878][ T1408] [ 9.461882][ T1408] Last potentially related work creation: [ 9.461888][ T1408] kasan_save_stack+0x3e/0x60 [ 9.461904][ T1408] kasan_record_aux_stack+0xbd/0xd0 [ 9.461934][ T1408] call_rcu+0xee/0x8b0 [ 9.461962][ T1408] dentry_kill+0x4d3/0x880 [ 9.461989][ T1408] finish_dput+0x1a/0x260 [ 9.462006][ T1408] step_into_slowpath+0x4cc/0x820 [ 9.462023][ T1408] link_path_walk+0xd5e/0x1910 [ 9.462040][ T1408] path_openat+0x23c/0x3850 [ 9.462059][ T1408] do_file_open+0x23e/0x4a0 [ 9.462079][ T1408] do_open_execat+0x12b/0x590 [ 9.462096][ T1408] alloc_bprm+0x24/0x640 [ 9.462115][ T1408] kernel_execve+0x85/0x9c0 [ 9.462134][ T1408] call_usermodehelper_exec_async+0x212/0x360 [ 9.462157][ T1408] ret_from_fork+0x514/0xb70 [ 9.462176][ T1408] ret_from_fork_asm+0x1a/0x30 [ 9.462197][ T1408] [ 9.462201][ T1408] The buggy address belongs to the object at ffff888029c3ca50 [ 9.462201][ T1408] which belongs to the cache dentry of size 376 [ 9.462216][ T1408] The buggy address is located 188 bytes inside of [ 9.462216][ T1408] freed 376-byte region [ffff888029c3ca50, ffff888029c3cbc8) [ 9.462235][ T1408] [ 9.462240][ T1408] The buggy address belongs to the physical page: [ 9.462250][ T1408] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x29c3c [ 9.462268][ T1408] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 9.462283][ T1408] flags: 0x80000000000040(head|node=0|zone=1) [ 9.462299][ T1408] page_type: f5(slab) [ 9.462316][ T1408] raw: 0080000000000040 ffff88801be87500 dead000000000100 dead000000000122 [ 9.462331][ T1408] raw: 0000000000000000 0000000800120012 00000000f5000000 0000000000000000 [ 9.462347][ T1408] head: 0080000000000040 ffff88801be87500 dead000000000100 dead000000000122 [ 9.462361][ T1408] head: 0000000000000000 0000000800120012 00000000f5000000 0000000000000000 [ 9.462377][ T1408] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 9.462391][ T1408] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 9.462400][ T1408] page dumped because: kasan: bad access detected [ 9.462409][ T1408] page_owner tracks the page as allocated [ 9.462416][ T1408] 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 1395, tgid 1395 (kworker/u8:6), ts 9208834729, free_ts 0 [ 9.462449][ T1408] post_alloc_hook+0x1f9/0x250 [ 9.462467][ T1408] get_page_from_freelist+0x2639/0x26b0 [ 9.462487][ T1408] __alloc_frozen_pages_noprof+0x18d/0x380 [ 9.462507][ T1408] allocate_slab+0x79/0x5e0 [ 9.462529][ T1408] refill_objects+0x2d8/0x350 [ 9.462551][ T1408] __pcs_replace_empty_main+0x330/0x690 [ 9.462573][ T1408] kmem_cache_alloc_lru_noprof+0x44b/0x650 [ 9.462590][ T1408] __d_alloc+0x37/0x6f0 [ 9.462608][ T1408] d_alloc_parallel+0xde/0x16c0 [ 9.462628][ T1408] __lookup_slow+0x82/0x2f0 [ 9.462645][ T1408] lookup_slow+0x53/0x70 [ 9.462662][ T1408] link_path_walk+0xd2a/0x1910 [ 9.462679][ T1408] path_openat+0x23c/0x3850 [ 9.462699][ T1408] do_file_open+0x23e/0x4a0 [ 9.462718][ T1408] do_open_execat+0x12b/0x590 [ 9.462735][ T1408] alloc_bprm+0x24/0x640 [ 9.462754][ T1408] page_owner free stack trace missing [ 9.462760][ T1408] [ 9.462764][ T1408] Memory state around the buggy address: [ 9.462774][ T1408] ffff888029c3ca00: fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb fb [ 9.462785][ T1408] ffff888029c3ca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 9.462797][ T1408] >ffff888029c3cb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 9.462805][ T1408] ^ [ 9.462814][ T1408] ffff888029c3cb80: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 9.462826][ T1408] ffff888029c3cc00: fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 9.462834][ T1408] ================================================================== [ 9.462857][ T1408] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 9.462877][ T1408] CPU: 1 UID: 0 PID: 1408 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 9.462899][ T1408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 9.462910][ T1408] Call Trace: [ 9.462917][ T1408] [ 9.462931][ T1408] vpanic+0x56c/0xa60 [ 9.462957][ T1408] ? __pfx_vpanic+0x10/0x10 [ 9.462984][ T1408] panic+0xc5/0xd0 [ 9.463006][ T1408] ? __pfx_panic+0x10/0x10 [ 9.463030][ T1408] ? do_raw_spin_lock+0x28b/0x2f0 [ 9.463052][ T1408] ? do_raw_spin_lock+0x28b/0x2f0 [ 9.463072][ T1408] ? do_raw_spin_lock+0x28b/0x2f0 [ 9.463091][ T1408] check_panic_on_warn+0x89/0xb0 [ 9.463115][ T1408] ? do_raw_spin_lock+0x28b/0x2f0 [ 9.463134][ T1408] end_report+0x73/0x170 [ 9.463155][ T1408] ? do_raw_spin_lock+0x28b/0x2f0 [ 9.463174][ T1408] kasan_report+0x128/0x150 [ 9.463196][ T1408] ? do_raw_spin_lock+0x28b/0x2f0 [ 9.463218][ T1408] do_raw_spin_lock+0x28b/0x2f0 [ 9.463237][ T1408] ? rcu_is_watching+0x15/0xb0 [ 9.463255][ T1408] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 9.463277][ T1408] ? rcu_is_watching+0x15/0xb0 [ 9.463295][ T1408] _raw_spin_lock_irqsave+0x4c/0x60 [ 9.463316][ T1408] rt_mutex_slowunlock+0xbf/0xa20 [ 9.463337][ T1408] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 9.463356][ T1408] ? __rcu_read_unlock+0x83/0xe0 [ 9.463378][ T1408] ? rt_spin_unlock+0x160/0x200 [ 9.463396][ T1408] d_alloc_parallel+0x10c0/0x16c0 [ 9.463423][ T1408] ? d_alloc_parallel+0x3cf/0x16c0 [ 9.463448][ T1408] ? __pfx_d_alloc_parallel+0x10/0x10 [ 9.463472][ T1408] ? down_read+0x156/0x200 [ 9.463493][ T1408] ? __pfx_down_read+0x10/0x10 [ 9.463515][ T1408] __lookup_slow+0x82/0x2f0 [ 9.463536][ T1408] lookup_slow+0x53/0x70 [ 9.463556][ T1408] link_path_walk+0xd2a/0x1910 [ 9.463577][ T1408] path_openat+0x23c/0x3850 [ 9.463592][ T1408] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 9.463607][ T1408] ? arch_stack_walk+0x11b/0x150 [ 9.463623][ T1408] ? ret_from_fork_asm+0x1a/0x30 [ 9.463643][ T1408] do_file_open+0x23e/0x4a0 [ 9.463656][ T1408] ? kasan_save_track+0x3e/0x80 [ 9.463667][ T1408] ? __kasan_slab_alloc+0x6c/0x80 [ 9.463679][ T1408] ? kmem_cache_alloc_noprof+0x355/0x650 [ 9.463691][ T1408] ? __pfx_do_file_open+0x10/0x10 [ 9.463712][ T1408] ? do_open_execat+0xad/0x590 [ 9.463725][ T1408] do_open_execat+0x12b/0x590 [ 9.463738][ T1408] ? rcu_is_watching+0x15/0xb0 [ 9.463748][ T1408] ? __pfx_do_open_execat+0x10/0x10 [ 9.463761][ T1408] ? kmem_cache_alloc_noprof+0x3bd/0x650 [ 9.463773][ T1408] ? do_getname_kernel+0x54/0x230 [ 9.463784][ T1408] ? do_getname_kernel+0x97/0x230 [ 9.463796][ T1408] alloc_bprm+0x24/0x640 [ 9.463810][ T1408] kernel_execve+0x85/0x9c0 [ 9.463826][ T1408] call_usermodehelper_exec_async+0x212/0x360 [ 9.463842][ T1408] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 9.463860][ T1408] ret_from_fork+0x514/0xb70 [ 9.463874][ T1408] ? __pfx_ret_from_fork+0x10/0x10 [ 9.463887][ T1408] ? __switch_to+0xc89/0x1420 [ 9.463899][ T1408] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 9.463916][ T1408] ret_from_fork_asm+0x1a/0x30 [ 9.463942][ T1408] [ 9.464108][ T1408] Kernel Offset: disabled