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@10.128.1.186" "pwd"]: exit status 255
ssh: connect to host 10.128.1.186 port 22: Connection timed out
Pseudo-terminal will not be allocated because stdin is not a terminal.
Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (ECDSA) to the list of known hosts.
serialport: Connected to syzkaller.us-central1-c.ci-upstream-rust-kasan-gce-test-1 port 1 (session ID: b4b0c69eb6dc0c18e61a7e97d75ac9412ad99e450ca6b9370b241cecb748eeb1, active connections: 1).
SeaBIOS (version 1.8.2-google)
Total RAM Size = 0x0000000200000000 = 8192 MiB
CPUs found: 2 Max CPUs supported: 2
SeaBIOS (version 1.8.2-google)
Machine UUID 7d16a211-697d-2459-0089-1e8da12fc628
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 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8) #0 SMP PREEMPT_DYNAMIC 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 06/25/2026
[ 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 13224405729 cycles
[ 0.003365][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.014700][ T0] tsc: Detected 2199.998 MHz processor
[ 0.024558][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.028549][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.037145][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.043278][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.054433][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f]
[ 0.061764][ T0] Using GB pages for direct mapping
[ 0.069248][ T0] ACPI: Early table checksum verification disabled
[ 0.074410][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google)
[ 0.078492][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[ 0.083348][ T0] ACPI: FACP 0x00000000BFFFF3B0 000114 (v06 Google GOOGFACP 00000001 GOOG 00000001)
[ 0.088307][ T0] ACPI: DSDT 0x00000000BFFFD5C0 001DED (v02 Google GOOGDSDT 00000001 GOOG 00000001)
[ 0.092022][ T0] ACPI: FACS 0x00000000BFFFD580 000040
[ 0.093870][ T0] ACPI: FACS 0x00000000BFFFD580 000040
[ 0.096133][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[ 0.100179][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[ 0.105893][ T0] ACPI: SSDT 0x00000000BFFFF4D0 000914 (v02 Google GOOGSSDT 00000001 GOOG 00000001)
[ 0.110738][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[ 0.116857][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff3b0-0xbffff4c3]
[ 0.120616][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd5c0-0xbffff3ac]
[ 0.124782][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf]
[ 0.127664][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf]
[ 0.131123][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67]
[ 0.134720][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65]
[ 0.137966][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff4d0-0xbffffde3]
[ 0.143089][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97]
[ 0.147286][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.150723][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[ 0.153071][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
[ 0.157440][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff]
[ 0.161767][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff]
[ 0.166530][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB)
[ 0.170427][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB)
[ 0.174114][ T0] NODE_DATA(0) allocated [mem 0x13fffb140-0x140000fff]
[ 0.177420][ T0] NODE_DATA(1) allocated [mem 0x23fff7140-0x23fffcfff]
[ 0.483189][ T0] KernelAddressSanitizer initialized (generic)
[ 0.487039][ T0] ACPI: PM-Timer IO Port: 0xb008
[ 0.489355][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.492351][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.495983][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.498909][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.501951][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.504964][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.507365][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.509548][ T0] CPU topo: Max. logical packages: 1
[ 0.511196][ T0] CPU topo: Max. logical nodes: 1
[ 0.513003][ T0] CPU topo: Num. nodes per package: 1
[ 0.514996][ T0] CPU topo: Max. logical dies: 1
[ 0.516558][ T0] CPU topo: Max. dies per package: 1
[ 0.518548][ T0] CPU topo: Max. threads per core: 2
[ 0.520597][ T0] CPU topo: Num. cores per package: 1
[ 0.523470][ T0] CPU topo: Num. threads per package: 2
[ 0.526067][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs
[ 0.529198][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.534933][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
[ 0.539360][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff]
[ 0.543928][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.547207][ T0] Booting paravirtualized kernel on KVM
[ 0.549562][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.657654][ T0] Zone ranges:
[ 0.660093][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.664195][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.669048][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.672801][ T0] Device empty
[ 0.674906][ T0] Movable zone start for each node
[ 0.678068][ T0] Early memory node ranges
[ 0.680551][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.684165][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.688006][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff]
[ 0.691163][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff]
[ 0.693980][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff]
[ 0.698070][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff]
[ 0.743558][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.746996][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.812403][ T0] On node 0, zone Normal: 3 pages in unavailable ranges
[ 0.880491][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2
[ 0.884997][ T0] percpu: Embedded 71 pages/cpu s251400 r8192 d31224 u1048576
[ 0.888927][ T0] kvm-guest: PV spinlocks enabled
[ 0.891019][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.894778][ 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 \
[ 0.937803][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0
[ 0.948896][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space.
[ 0.952514][ T0] random: crng init done
[ 0.954930][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 0.959016][ T0] software IO TLB: area num 2.
[ 0.991901][ T0] Fallback order for Node 0: 0 1
[ 0.991923][ T0] Fallback order for Node 1: 1 0
[ 0.991936][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051
[ 1.003109][ T0] Policy zone: Normal
[ 1.006072][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off
[ 1.009911][ T0] stackdepot: allocating hash table via alloc_large_system_hash
[ 1.014178][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear)
[ 1.021809][ T0] stackdepot: allocating space for 8192 stack pools via memblock
[ 1.812783][ T0] **********************************************************
[ 1.818099][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.822155][ T0] ** **
[ 1.827309][ T0] ** This system shows unhashed kernel memory addresses **
[ 1.830432][ T0] ** via the console, logs, and other interfaces. This **
[ 1.834393][ T0] ** might reduce the security of your system. **
[ 1.838372][ T0] ** **
[ 1.841591][ T0] ** If you see this message and you are not debugging **
[ 1.844827][ T0] ** the kernel, report this immediately to your system **
[ 1.848304][ T0] ** administrator! **
[ 1.852475][ T0] ** **
[ 1.856386][ T0] ** Use hash_pointers=always to force this mode off **
[ 1.862205][ T0] ** **
[ 1.866498][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.870241][ T0] **********************************************************
[ 1.876481][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2
[ 1.996122][ T0] allocated 167772160 bytes of page_ext
[ 1.999446][ T0] Node 0, zone DMA: page owner found early allocated 0 pages
[ 2.020080][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages
[ 2.029692][ T0] Node 0, zone Normal: page owner found early allocated 131 pages
[ 2.045155][ T0] Node 1, zone Normal: page owner found early allocated 19847 pages
[ 2.049015][ T0] Kernel/User page tables isolation: enabled
[ 2.051979][ T0] Dynamic Preempt: full
[ 2.054264][ T0] Running RCU self tests
[ 2.056104][ T0] Running RCU synchronous self tests
[ 2.057651][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 2.060199][ T0] rcu: RCU lockdep checking is enabled.
[ 2.062284][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 2.065702][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 2.068835][ T0] rcu: RCU debug extended QS entry/exit.
[ 2.072431][ T0] All grace periods are expedited (rcu_expedited).
[ 2.076249][ T0] Trampoline variant of Tasks RCU enabled.
[ 2.079053][ T0] Tracing variant of Tasks RCU enabled.
[ 2.081259][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 2.086104][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 2.089815][ T0] Running RCU synchronous self tests
[ 2.091714][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.
[ 2.258383][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 2.262472][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 2.266355][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 2.271500][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000
[ 2.278080][ T0] Console: colour VGA+ 80x25
[ 2.280646][ T0] printk: legacy console [ttyS0] enabled
[ 2.280646][ T0] printk: legacy console [ttyS0] enabled
[ 2.285878][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 2.285878][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 2.291392][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 2.295812][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 2.298411][ T0] ... MAX_LOCK_DEPTH: 48
[ 2.301639][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 2.304919][ T0] ... CLASSHASH_SIZE: 4096
[ 2.308055][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576
[ 2.310484][ T0] ... MAX_LOCKDEP_CHAINS: 1048576
[ 2.313753][ T0] ... CHAINHASH_SIZE: 524288
[ 2.316408][ T0] memory used by lock dependency info: 106625 kB
[ 2.322013][ T0] memory used for stack traces: 8320 kB
[ 2.324600][ T0] per task-struct memory footprint: 1920 bytes
[ 2.330449][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[ 2.339217][ T0] ACPI: Core revision 20260408
[ 2.343420][ T0] APIC: Switch to symmetric I/O mode setup
[ 2.347015][ T0] x2apic enabled
[ 2.361677][ T0] APIC: Switched APIC routing to: physical x2apic
[ 2.377186][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 2.380846][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns
[ 2.394029][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980)
[ 2.404694][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 2.411791][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4
[ 2.414115][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto
[ 2.424034][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 2.434031][ T0] Spectre V2 : Mitigation: IBRS
[ 2.439369][ T0] RETBleed: Mitigation: IBRS
[ 2.444032][ T0] ITS: Mitigation: Aligned branch/return thunks
[ 2.454029][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl
[ 2.461954][ T0] MDS: Mitigation: Clear CPU buffers
[ 2.464031][ T0] TAA: Mitigation: Clear CPU buffers
[ 2.469669][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
[ 2.474035][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 2.484035][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT
[ 2.494062][ T0] Spectre V2 : Enabling IBPB for BPF
[ 2.504056][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 2.514095][ T0] active return thunk: its_return_thunk
[ 2.524041][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit
[ 2.534101][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 2.544036][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 2.552203][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 2.554038][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 2.564037][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[ 2.965095][ T0]
[ 2.967644][ T0] =============================
[ 2.972776][ T0] [ BUG: Invalid wait context ]
[ 2.974012][ T0] syzkaller #0 Not tainted
[ 2.974012][ T0] -----------------------------
[ 2.974012][ T0] swapper/0/0 is trying to lock:
[ 2.974012][ T0] ffffffff8f088c78 ((init_mm).mmap_lock){....}-{4:4}, at: change_page_attr_set_clr+0xc2c/0x1010
[ 2.974012][ T0] other info that might help us debug this:
[ 2.974012][ T0] context-{5:5}
[ 2.974012][ T0] locks held by swapper/0/0: 1, last CPU#0:
[ 2.974012][ T0] #0: ffffffff8edc2078 (cpa_lock){+.+.}-{3:3}, at: change_page_attr_set_clr+0x967/0x1010
[ 2.974012][ T0] stack backtrace:
[ 2.974012][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 2.974012][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
[ 2.974012][ T0] Call Trace:
[ 2.974012][ T0]
[ 2.974012][ T0] dump_stack_lvl+0xe8/0x150
[ 2.974012][ T0] __lock_acquire+0xef0/0x2e50
[ 2.974012][ T0] ? __pfx_do_flush_tlb_all+0x10/0x10
[ 2.974012][ T0] ? smp_call_function_many_cond+0x1089/0x15f0
[ 2.974012][ T0] ? lockdep_hardirqs_on+0x7a/0x110
[ 2.974012][ T0] ? __pfx_do_flush_tlb_all+0x10/0x10
[ 2.974012][ T0] ? smp_call_function_many_cond+0x135c/0x15f0
[ 2.974012][ T0] ? __pfx_do_flush_tlb_all+0x10/0x10
[ 2.974012][ T0] lock_acquire+0x115/0x350
[ 2.974012][ T0] ? change_page_attr_set_clr+0xc2c/0x1010
[ 2.974012][ T0] ? __might_resched+0x71/0x4d0
[ 2.974012][ T0] down_read+0x4a/0x330
[ 2.974012][ T0] ? change_page_attr_set_clr+0xc2c/0x1010
[ 2.974012][ T0] change_page_attr_set_clr+0xc2c/0x1010
[ 2.974012][ T0] ? __pfx_change_page_attr_set_clr+0x10/0x10
[ 2.974012][ T0] ? apply_returns+0x716/0x790
[ 2.974012][ T0] ? __pfx_apply_returns+0x10/0x10
[ 2.974012][ T0] set_memory_rox+0xbe/0x100
[ 2.974012][ T0] ? __pfx_set_memory_rox+0x10/0x10
[ 2.974012][ T0] ? __pfx_int3_selftest+0x10/0x10
[ 2.974012][ T0] alternative_instructions+0x95/0x100
[ 2.974012][ T0] arch_cpu_finalize_init+0xb2/0x1f0
[ 2.974012][ T0] start_kernel+0x310/0x3e0
[ 2.974012][ T0] x86_64_start_reservations+0x24/0x30
[ 2.974012][ T0] x86_64_start_kernel+0x137/0x1b0
[ 2.974012][ T0] common_startup_64+0x13e/0x157
[ 2.974012][ T0]
[ 3.021572][ T0] pid_max: default: 32768 minimum: 301
[ 3.025271][ T0] landlock: Up and running.
[ 3.034034][ T0] Yama: becoming mindful.
[ 3.039525][ T0] TOMOYO Linux initialized
[ 3.044891][ T0] AppArmor: AppArmor initialized
[ 3.054919][ T0] LSM support for eBPF active
[ 3.067036][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage)
[ 3.076909][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage)
[ 3.084577][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 3.094217][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 3.105655][ T0] VFS: Finished mounting rootfs on nullfs
[ 3.117096][ T0] Running RCU synchronous self tests
[ 3.124036][ T0] Running RCU synchronous self tests
[ 3.257509][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0)
[ 3.267098][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only.
[ 3.274159][ T1] signal: max sigframe size: 1776
[ 3.284560][ T1] rcu: Hierarchical SRCU implementation.
[ 3.290983][ T1] rcu: Max phase no-delay instances is 1000.
[ 3.294933][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level
[ 3.388118][ T1] NMI watchdog: Perf NMI watchdog permanently disabled
[ 3.394831][ T1] smp: Bringing up secondary CPUs ...
[ 3.405804][ T1] smpboot: x86: Booting SMP configuration:
[ 3.414071][ T1] .... node #0, CPUs: #1
[ 0.097658][ T0] numa_add_cpu cpu 1 node 0: mask now 0-1
[ 0.097658][ T0] numa_add_cpu cpu 1 node 1: mask now 0-1
[ 3.434693][ 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.
[ 3.444035][ 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.
[ 3.454062][ 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.
[ 3.464261][ T1] smp: Brought up 2 nodes, 2 CPUs
[ 3.474044][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS)
[ 3.485928][ T1] Memory: 6451928K/8388204K available (178277K kernel code, 30414K rwdata, 43320K rodata, 27108K init, 120568K bss, 1746720K reserved, 0K cma-reserved)
[ 3.497364][ T1] devtmpfs: initialized
[ 3.506734][ T1] x86/mm: Memory block size: 128MB
[ 3.586958][ T1] Running RCU synchronous self tests
[ 3.596919][ T1] Running RCU synchronous self tests
[ 3.605158][ T1] Running RCU Tasks wait API self tests
[ 3.614360][ T1] Running RCU Tasks Trace wait API self tests
[ 3.634368][ T1] posixtimers hash table entries: 1024 (order: 5, 73728 bytes, vmalloc)
[ 3.644175][ T1] futex hash table entries: 256 (32768 bytes on 2 NUMA nodes, total 64 KiB, linear).
[ 3.665707][ T1] xor: automatically using best checksumming function avx
[ 3.684912][ T1] PM: RTC time: 16:27:28, date: 2026-07-16
[ 3.704101][ T10] Callback from call_rcu_tasks_trace() invoked.
[ 3.705376][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 3.737012][ T1] audit: initializing netlink subsys (disabled)
[ 3.744382][ T30] audit: type=2000 audit(1784219247.809:1): state=initialized audit_enabled=0 res=1
[ 3.761356][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 3.761531][ T1] cpuidle: using governor menu
[ 3.774503][ T1] NET: Registered PF_QIPCRTR protocol family
[ 3.794778][ T1] dca service started, version 1.12.1
[ 3.802806][ T1] PCI: Using configuration type 1 for base access
[ 3.834185][ T28] Callback from call_rcu_tasks() invoked.
[ 3.854761][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages
[ 3.864039][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page
[ 3.874135][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[ 3.884058][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
[ 3.937942][ T1] raid6: using avx2x2 recovery algorithm
[ 3.946553][ T1] ACPI: Added _OSI(Module Device)
[ 3.954062][ T1] ACPI: Added _OSI(Processor Device)
[ 3.960000][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 4.159498][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 4.215314][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee]
[ 4.262672][ T1] ACPI: Interpreter enabled
[ 4.264526][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 4.274052][ T1] ACPI: Using IOAPIC for interrupt routing
[ 4.284707][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 4.294035][ T1] PCI: Ignoring E820 reservations for host bridge windows
[ 4.318326][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 4.611750][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 4.614170][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 4.624039][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
[ 4.644397][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR)
[ 4.654332][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge
[ 4.712685][ T1] PCI host bridge to bus 0000:00
[ 4.714401][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 4.724082][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0x0fff window]
[ 4.734089][ T1] pci_bus 0000:00: root bus resource [io 0xc000-0xffff window]
[ 4.754106][ T1] pci_bus 0000:00: root bus resource [io 0xa000-0xbfff window]
[ 4.762872][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 4.774064][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
[ 4.784091][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 4.794054][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint
[ 4.807366][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint
[ 4.825546][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint
[ 4.844510][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 4.859112][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint
[ 4.879638][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f]
[ 4.884083][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f]
[ 4.899496][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint
[ 4.924087][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f]
[ 4.931838][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f]
[ 4.946499][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint
[ 4.974189][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff]
[ 4.985048][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 5.006216][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint
[ 5.024088][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f]
[ 5.038683][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint
[ 5.057954][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf]
[ 5.064071][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f]
[ 5.084046][ T1] pci_bus 0000:00: on NUMA node 0
[ 5.128630][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 5.144325][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 5.158420][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 5.176058][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 5.189537][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 5.224128][ T1] iommu: Default domain type: Translated
[ 5.232272][ T1] iommu: DMA domain TLB invalidation policy: lazy mode
[ 5.249325][ T1] SCSI subsystem initialized
[ 5.255010][ T1] libata version 3.00 loaded.
[ 5.261612][ T1] ACPI: bus type USB registered
[ 5.264892][ T1] usbcore: registered new interface driver usbfs
[ 5.274540][ T1] usbcore: registered new interface driver hub
[ 5.284174][ T1] usbcore: registered new device driver usb
[ 5.293314][ T1] mc: Linux media interface: v0.10
[ 5.294296][ T1] videodev: Linux video capture interface: v2.00
[ 5.305520][ T1] pps_core: LinuxPPS API ver. 1 registered
[ 5.314040][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
[ 5.324206][ T1] PTP clock support registered
[ 5.344581][ T1] EDAC MC: Ver: 3.0.0
[ 5.360950][ T1] Advanced Linux Sound Architecture Driver Initialized.
[ 5.378310][ T1] Bluetooth: Core ver 2.22
[ 5.384524][ T1] NET: Registered PF_BLUETOOTH protocol family
[ 5.394066][ T1] Bluetooth: HCI device and connection manager initialized
[ 5.404146][ T1] Bluetooth: HCI socket layer initialized
[ 5.410862][ T1] Bluetooth: L2CAP socket layer initialized
[ 5.414610][ T1] Bluetooth: SCO socket layer initialized
[ 5.424150][ T1] NET: Registered PF_ATMPVC protocol family
[ 5.434309][ T1] NetLabel: Initializing
[ 5.439275][ T1] NetLabel: domain hash size = 128
[ 5.444043][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 5.454532][ T1] NetLabel: unlabeled traffic allowed by default
[ 5.465196][ T1] nfc: nfc_init: NFC Core ver 0.1
[ 5.471063][ T1] NET: Registered PF_NFC protocol family
[ 5.474271][ T1] mctp: management component transport protocol core
[ 5.484035][ T1] NET: Registered PF_MCTP protocol family
[ 5.494370][ T1] PCI: Using ACPI for IRQ routing
[ 5.499868][ T1] PCI: pci_cache_line_size set to 64 bytes
[ 5.504450][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff]
[ 5.514130][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff]
[ 5.525289][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device
[ 5.532893][ T1] pci 0000:00:05.0: vgaarb: bridge control possible
[ 5.534012][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 5.534044][ T1] vgaarb: loaded
[ 5.557990][ T1] clocksource: Switched to clocksource kvm-clock
[ 5.569475][ T1] VFS: Disk quotas dquot_6.6.0
[ 5.574975][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes)
[ 5.591450][ T1] netfs: FS-Cache loaded
[ 5.597470][ T1] CacheFiles: Loaded
[ 5.602538][ T1] TOMOYO: 2.6.0
[ 5.606745][ T1] Mandatory Access Control activated.
[ 5.617032][ T1] AppArmor: AppArmor Filesystem Enabled
[ 5.623750][ T1] pnp: PnP ACPI init
[ 5.670885][ T1] pnp: PnP ACPI: found 6 devices
[ 5.761977][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 5.774220][ T1] NET: Registered PF_INET protocol family
[ 5.785799][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc)
[ 5.805770][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 7, 294912 bytes, vmalloc)
[ 5.817480][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc)
[ 5.829155][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc)
[ 5.848554][ T1] TCP bind hash table entries: 65536 (order: 12, 9437184 bytes, vmalloc hugepage)
[ 5.865221][ T1] TCP: Hash tables configured (established 65536 bind 65536)
[ 5.875874][ T1] MPTCP token hash table entries: 8192 (order: 8, 720896 bytes, vmalloc)
[ 5.887214][ T1] UDP hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc)
[ 5.897544][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 5.909391][ T1] RPC: Registered named UNIX socket transport module.
[ 5.917429][ T1] RPC: Registered udp transport module.
[ 5.923874][ T1] RPC: Registered tcp transport module.
[ 5.929746][ T1] RPC: Registered tcp-with-tls transport module.
[ 5.936674][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 5.951419][ T1] NET: Registered PF_XDP protocol family
[ 5.958219][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 5.966347][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0x0fff window]
[ 5.975756][ T1] pci_bus 0000:00: resource 6 [io 0xc000-0xffff window]
[ 5.984201][ T1] pci_bus 0000:00: resource 7 [io 0xa000-0xbfff window]
[ 5.991457][ T1] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window]
[ 5.999516][ T1] pci_bus 0000:00: resource 9 [mem 0xc0000000-0xfebfefff window]
[ 6.010672][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 6.019400][ T1] PCI: CLS 0 bytes, default 64
[ 6.030172][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 6.038194][ T1] software IO TLB: mapped [mem 0x00000000b4400000-0x00000000b8400000] (64MB)
[ 6.048797][ T1] ACPI: bus type thunderbolt registered
[ 6.057926][ T57] kworker/u8:3 (57) used greatest stack depth: 28320 bytes left
[ 6.066787][ T58] kworker/u8:3 (58) used greatest stack depth: 26664 bytes left
[ 6.089481][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
[ 6.131274][ T1] kvm_amd: CPU 0 isn't AMD or Hygon
[ 6.137089][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns
[ 6.150198][ T1] clocksource: Switched to clocksource tsc
[ 6.182753][ T1] Initialise system trusted keyrings
[ 6.193984][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0)
[ 6.212013][ T1] DLM installed
[ 6.220742][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 6.234679][ T1] NFS: Registering the id_resolver key type
[ 6.243502][ T1] Key type id_resolver registered
[ 6.248854][ T1] Key type id_legacy registered
[ 6.254369][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 6.262975][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 6.275394][ T1] smbdirect: subsystem loading...
[ 6.287277][ T1] smbdirect: subsystem loaded
[ 6.317267][ T1] Key type cifs.spnego registered
[ 6.324205][ T1] Key type cifs.idmap registered
[ 6.333399][ T1] ntfs3: Enabled Linux POSIX ACLs support
[ 6.340166][ T1] ntfs3: Read-only LZX/Xpress compression included
[ 6.348692][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
[ 6.360429][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc.
[ 6.368244][ T1] QNX4 filesystem 0.2.3 registered.
[ 6.374477][ T1] qnx6: QNX6 filesystem 1.0.0 registered.
[ 6.382286][ T1] fuse: init (API version 7.45)
[ 6.391769][ T1] orangefs_debugfs_init: called with debug mask: :none: :0:
[ 6.400947][ T1] orangefs_init: module version upstream loaded
[ 6.409333][ T1] JFS: nTxBlock = 8192, nTxLock = 65536
[ 6.430572][ T1] SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled
[ 6.450802][ T1] 9p: Installing v9fs 9p2000 file system support
[ 6.460129][ T1] NILFS version 2 loaded
[ 6.464719][ T1] befs: version: 0.9.3
[ 6.470258][ T1] ocfs2: Registered cluster interface o2cb
[ 6.478739][ T1] ocfs2: Registered cluster interface user
[ 6.487039][ T1] OCFS2 User DLM kernel interface loaded
[ 6.513129][ T1] gfs2: GFS2 installed
[ 6.530383][ T1] ceph: loaded (mds proto 32)
[ 6.543168][ T1] NET: Registered PF_ALG protocol family
[ 6.549929][ T1] async_tx: api initialized (async)
[ 6.555387][ T1] Key type asymmetric registered
[ 6.560677][ T1] Asymmetric key parser 'x509' registered
[ 6.567026][ T1] Asymmetric key parser 'pkcs8' registered
[ 6.573216][ T1] Key type pkcs7_test registered
[ 6.580173][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239)
[ 6.591796][ T1] io scheduler mq-deadline registered
[ 6.598450][ T1] io scheduler kyber registered
[ 6.604539][ T1] io scheduler bfq registered
[ 6.610963][ T1] raid6: skipped pq benchmark and selected avx2x4
[ 6.633787][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0
[ 6.644849][ T1] ACPI: button: Power Button [PWRF]
[ 6.652654][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1
[ 6.664098][ T1] ACPI: button: Sleep Button [SLPF]
[ 6.684911][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00
[ 6.722896][ T10] ACPI: \_SB_.LNKC: Enabled at IRQ 11
[ 6.731012][ T10] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[ 6.773425][ T10] ACPI: \_SB_.LNKD: Enabled at IRQ 10
[ 6.780589][ T10] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[ 6.824209][ T10] ACPI: \_SB_.LNKB: Enabled at IRQ 10
[ 6.829892][ T10] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver
[ 6.858742][ T10] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver
[ 7.396997][ T1] N_HDLC line discipline registered with maxframe=4096
[ 7.407773][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 7.424877][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 7.446145][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[ 7.467115][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[ 7.490620][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[ 7.523944][ T1] Non-volatile memory driver v1.3
[ 7.564098][ T1] usbcore: registered new interface driver xillyusb
[ 7.575024][ T1] ACPI: bus type drm_connector registered
[ 7.587990][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0
[ 7.600549][ T1] ------------[ cut here ]------------
[ 7.606809][ T1] [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup
[ 7.606849][ T1] WARNING: drivers/gpu/drm/drm_mode_config.c:873 at drm_mode_config_validate+0x1c6a/0x1e60, CPU#1: swapper/0/1
[ 7.630317][ T1] Modules linked in:
[ 7.634441][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 7.645383][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
[ 7.657499][ T1] RIP: 0010:drm_mode_config_validate+0x1cab/0x1e60
[ 7.665969][ T1] Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 3d fe 9f fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 d9 f9 31 fc 49 bd 00 00 00 00 00 fc ff df
[ 7.687279][ T1] RSP: 0000:ffffc90000067810 EFLAGS: 00010246
[ 7.695386][ T1] RAX: 1ffff11004cd4608 RBX: dffffc0000000000 RCX: ffff88801d6fddc0
[ 7.704004][ T1] RDX: ffff8880264e8be0 RSI: 0000000000000023 RDI: ffffffff90a4f5e0
[ 7.713506][ T1] RBP: 0000000000000023 R08: ffff88802464469b R09: 1ffff110048c88d3
[ 7.723062][ T1] R10: dffffc0000000000 R11: ffffed10048c88d4 R12: dffffc0000000000
[ 7.731566][ T1] R13: ffffffff90a4f5e0 R14: ffff8880266a3040 R15: ffff8880266a3030
[ 7.740160][ T1] FS: 0000000000000000(0000) GS:ffff8881249f2000(0000) knlGS:0000000000000000
[ 7.750342][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7.757229][ T1] CR2: 0000000000000000 CR3: 000000000ed46000 CR4: 00000000003526f0
[ 7.765376][ T1] Call Trace:
[ 7.768825][ T1]
[ 7.771915][ T1] ? debugfs_create_file_full+0x3f/0x60
[ 7.779515][ T1] drm_dev_register+0x7c/0xd80
[ 7.784915][ T1] vkms_create+0x40d/0x4f0
[ 7.790301][ T1] ? __pfx_vkms_init+0x10/0x10
[ 7.795404][ T1] vkms_init+0x57/0x80
[ 7.799728][ T1] do_one_initcall+0x250/0x870
[ 7.804636][ T1] ? __pfx_vkms_init+0x10/0x10
[ 7.809943][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 7.816081][ T1] ? clockevents_program_event+0x491/0x630
[ 7.822908][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.828399][ T1] ? __pfx___schedule+0x10/0x10
[ 7.834219][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.839401][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.844854][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.851079][ T1] ? trace_irq_enable+0x3b/0x140
[ 7.856490][ T1] ? irqentry_exit+0x218/0x8f0
[ 7.861723][ T1] ? trace_irq_disable+0x3b/0x140
[ 7.867002][ T1] ? next_arg+0x4a0/0x5e0
[ 7.872534][ T1] ? parameq+0x14d/0x170
[ 7.877307][ T1] ? parse_args+0x9c3/0xad0
[ 7.883239][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.889692][ T1] do_initcall_level+0x10a/0x1a0
[ 7.895307][ T1] ? kernel_init+0x22/0x1d0
[ 7.900507][ T1] do_initcalls+0x59/0xa0
[ 7.906032][ T1] kernel_init_freeable+0x29d/0x3e0
[ 7.912291][ T1] ? __pfx_kernel_init+0x10/0x10
[ 7.918349][ T1] kernel_init+0x22/0x1d0
[ 7.922921][ T1] ? __pfx_kernel_init+0x10/0x10
[ 7.928373][ T1] ret_from_fork+0x514/0xb70
[ 7.933636][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 7.939301][ T1] ? __switch_to+0xc89/0x1420
[ 7.944523][ T1] ? __pfx_kernel_init+0x10/0x10
[ 7.950156][ T1] ret_from_fork_asm+0x1a/0x30
[ 7.955237][ T1]
[ 7.958495][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 7.966153][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 7.968461][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
[ 7.968461][ T1] Call Trace:
[ 7.968461][ T1]
[ 7.968461][ T1] vpanic+0x56c/0xa60
[ 7.968461][ T1] ? __pfx__printk+0x10/0x10
[ 7.968461][ T1] ? __pfx_vpanic+0x10/0x10
[ 7.968461][ T1] ? is_bpf_text_address+0x292/0x2b0
[ 7.968461][ T1] ? is_bpf_text_address+0x26/0x2b0
[ 7.968461][ T1] panic+0xc5/0xd0
[ 7.968461][ T1] ? __pfx_panic+0x10/0x10
[ 7.968461][ T1] ? ret_from_fork_asm+0x1a/0x30
[ 7.968461][ T1] __warn+0x315/0x4c0
[ 7.968461][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60
[ 7.968461][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60
[ 7.968461][ T1] __report_bug+0x276/0x570
[ 7.968461][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60
[ 7.968461][ T1] ? __pfx___report_bug+0x10/0x10
[ 7.968461][ T1] ? __pfx_inode_set_ctime_to_ts+0x10/0x10
[ 7.968461][ T1] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0
[ 7.968461][ T1] ? seqcount_lockdep_reader_access+0xea/0x100
[ 7.968461][ T1] ? ktime_get_coarse_real_ts64_mg+0x1c5/0x1e0
[ 7.968461][ T1] report_bug_entry+0x19a/0x290
[ 7.968461][ T1] ? drm_mode_config_validate+0x1cab/0x1e60
[ 7.968461][ T1] ? drm_mode_config_validate+0x1cb0/0x1e60
[ 7.968461][ T1] handle_bug+0xce/0x200
[ 7.968461][ T1] exc_invalid_op+0x1a/0x50
[ 7.968461][ T1] asm_exc_invalid_op+0x1a/0x20
[ 7.968461][ T1] RIP: 0010:drm_mode_config_validate+0x1cab/0x1e60
[ 7.968461][ T1] Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 3d fe 9f fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 d9 f9 31 fc 49 bd 00 00 00 00 00 fc ff df
[ 7.968461][ T1] RSP: 0000:ffffc90000067810 EFLAGS: 00010246
[ 7.968461][ T1] RAX: 1ffff11004cd4608 RBX: dffffc0000000000 RCX: ffff88801d6fddc0
[ 7.968461][ T1] RDX: ffff8880264e8be0 RSI: 0000000000000023 RDI: ffffffff90a4f5e0
[ 7.968461][ T1] RBP: 0000000000000023 R08: ffff88802464469b R09: 1ffff110048c88d3
[ 7.968461][ T1] R10: dffffc0000000000 R11: ffffed10048c88d4 R12: dffffc0000000000
[ 7.968461][ T1] R13: ffffffff90a4f5e0 R14: ffff8880266a3040 R15: ffff8880266a3030
[ 7.968461][ T1] ? debugfs_create_file_full+0x3f/0x60
[ 7.968461][ T1] drm_dev_register+0x7c/0xd80
[ 7.968461][ T1] vkms_create+0x40d/0x4f0
[ 7.968461][ T1] ? __pfx_vkms_init+0x10/0x10
[ 7.968461][ T1] vkms_init+0x57/0x80
[ 7.968461][ T1] do_one_initcall+0x250/0x870
[ 7.968461][ T1] ? __pfx_vkms_init+0x10/0x10
[ 7.968461][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 7.968461][ T1] ? clockevents_program_event+0x491/0x630
[ 7.968461][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.968461][ T1] ? __pfx___schedule+0x10/0x10
[ 7.968461][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.968461][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.968461][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.968461][ T1] ? trace_irq_enable+0x3b/0x140
[ 7.968461][ T1] ? irqentry_exit+0x218/0x8f0
[ 7.968461][ T1] ? trace_irq_disable+0x3b/0x140
[ 7.968461][ T1] ? next_arg+0x4a0/0x5e0
[ 7.968461][ T1] ? parameq+0x14d/0x170
[ 7.968461][ T1] ? parse_args+0x9c3/0xad0
[ 7.968461][ T1] ? rcu_is_watching+0x15/0xb0
[ 7.968461][ T1] do_initcall_level+0x10a/0x1a0
[ 7.968461][ T1] ? kernel_init+0x22/0x1d0
[ 7.968461][ T1] do_initcalls+0x59/0xa0
[ 7.968461][ T1] kernel_init_freeable+0x29d/0x3e0
[ 7.968461][ T1] ? __pfx_kernel_init+0x10/0x10
[ 7.968461][ T1] kernel_init+0x22/0x1d0
[ 7.968461][ T1] ? __pfx_kernel_init+0x10/0x10
[ 7.968461][ T1] ret_from_fork+0x514/0xb70
[ 7.968461][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 7.968461][ T1] ? __switch_to+0xc89/0x1420
[ 7.968461][ T1] ? __pfx_kernel_init+0x10/0x10
[ 7.968461][ T1] ret_from_fork_asm+0x1a/0x30
[ 7.968461][ T1]
[ 7.968461][ T1] Kernel Offset: disabled
[ 7.968461][ T1] Rebooting in 86400 seconds..