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@10.128.1.121" "pwd"]: exit status 255 ssh: connect to host 10.128.1.121 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-0 port 1 (session ID: f85b5c9b4fdee3edae448428df9b423bf1cc080ba43feb5f9b8f84924ce08d7d, 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 87553e13-18f2-9e54-747a-23c9e9626178 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 07/16/2026 [ 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 [ 0.000007][ T0] kvm-clock: using sched offset of 8162987235 cycles [ 0.002673][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.009738][ T0] tsc: Detected 2199.998 MHz processor [ 0.015306][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.018100][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.022038][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.025450][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.033083][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.036241][ T0] Using GB pages for direct mapping [ 0.041096][ T0] ACPI: Early table checksum verification disabled [ 0.043746][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.046681][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.050151][ T0] ACPI: FACP 0x00000000BFFFF3B0 000114 (v06 Google GOOGFACP 00000001 GOOG 00000001) [ 0.054002][ T0] ACPI: DSDT 0x00000000BFFFD5C0 001DED (v02 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.057849][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.060867][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.062729][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.066444][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.069662][ T0] ACPI: SSDT 0x00000000BFFFF4D0 000914 (v02 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.072582][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.076052][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff3b0-0xbffff4c3] [ 0.079353][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd5c0-0xbffff3ac] [ 0.082691][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.085408][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.088762][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.092171][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.095111][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff4d0-0xbffffde3] [ 0.098710][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.101679][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.104322][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.107391][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.110090][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.114761][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.118954][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.122014][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.125180][ T0] NODE_DATA(0) allocated [mem 0x13fffb140-0x140000fff] [ 0.128376][ T0] NODE_DATA(1) allocated [mem 0x23fff7140-0x23fffcfff] [ 0.419568][ T0] KernelAddressSanitizer initialized (generic) [ 0.422631][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.424501][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.427205][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.429872][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.432818][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.435714][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.438870][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.441569][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.444165][ T0] CPU topo: Max. logical packages: 1 [ 0.446276][ T0] CPU topo: Max. logical nodes: 1 [ 0.448113][ T0] CPU topo: Num. nodes per package: 1 [ 0.450332][ T0] CPU topo: Max. logical dies: 1 [ 0.452296][ T0] CPU topo: Max. dies per package: 1 [ 0.454176][ T0] CPU topo: Max. threads per core: 2 [ 0.456670][ T0] CPU topo: Num. cores per package: 1 [ 0.458687][ T0] CPU topo: Num. threads per package: 2 [ 0.460707][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.463857][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.467493][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.471029][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.475041][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.477977][ T0] Booting paravirtualized kernel on KVM [ 0.480126][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.583505][ T0] Zone ranges: [ 0.585009][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.587726][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.590853][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.593752][ T0] Device empty [ 0.595404][ T0] Movable zone start for each node [ 0.597635][ T0] Early memory node ranges [ 0.599066][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.601750][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.604703][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.607473][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.610097][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.613204][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.652928][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.656872][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.721773][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.786277][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.789838][ T0] percpu: Embedded 71 pages/cpu s252168 r8192 d30456 u1048576 [ 0.793321][ T0] kvm-guest: PV spinlocks enabled [ 0.795618][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.798924][ 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 \ [ 0.830159][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.839310][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.843193][ T0] random: crng init done [ 0.845357][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.849133][ T0] software IO TLB: area num 2. [ 0.877162][ T0] Fallback order for Node 0: 0 1 [ 0.877184][ T0] Fallback order for Node 1: 1 0 [ 0.877197][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.883789][ T0] Policy zone: Normal [ 0.886455][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.889371][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.892611][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.900174][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.606815][ T0] ********************************************************** [ 1.609169][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.611106][ T0] ** ** [ 1.613383][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.615539][ T0] ** via the console, logs, and other interfaces. This ** [ 1.618267][ T0] ** might reduce the security of your system. ** [ 1.621048][ T0] ** ** [ 1.623425][ T0] ** If you see this message and you are not debugging ** [ 1.626577][ T0] ** the kernel, report this immediately to your system ** [ 1.629283][ T0] ** administrator! ** [ 1.632202][ T0] ** ** [ 1.635101][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.638185][ T0] ** ** [ 1.640447][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.643100][ T0] ********************************************************** [ 1.648220][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.761058][ T0] allocated 167772160 bytes of page_ext [ 1.763819][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.781484][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.788892][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 1.803210][ T0] Node 1, zone Normal: page owner found early allocated 19847 pages [ 1.806592][ T0] Kernel/User page tables isolation: enabled [ 1.809914][ T0] Dynamic Preempt: full [ 1.812747][ T0] Running RCU self tests [ 1.814377][ T0] Running RCU synchronous self tests [ 1.816234][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.819354][ T0] rcu: RCU lockdep checking is enabled. [ 1.821146][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.823519][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.825590][ T0] rcu: RCU debug extended QS entry/exit. [ 1.827520][ T0] All grace periods are expedited (rcu_expedited). [ 1.830149][ T0] Trampoline variant of Tasks RCU enabled. [ 1.832034][ T0] Tracing variant of Tasks RCU enabled. [ 1.834368][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.838100][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.841865][ T0] Running RCU synchronous self tests [ 1.843928][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.997766][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.002092][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.005732][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.010784][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 2.016866][ T0] Console: colour VGA+ 80x25 [ 2.019732][ T0] printk: legacy console [ttyS0] enabled [ 2.019732][ T0] printk: legacy console [ttyS0] enabled [ 2.023948][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.023948][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.029630][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.033500][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.035292][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.037364][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.039648][ T0] ... CLASSHASH_SIZE: 4096 [ 2.041806][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.043955][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.046029][ T0] ... CHAINHASH_SIZE: 524288 [ 2.048527][ T0] memory used by lock dependency info: 106625 kB [ 2.050915][ T0] memory used for stack traces: 8320 kB [ 2.053736][ T0] per task-struct memory footprint: 1920 bytes [ 2.056471][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.060980][ T0] ACPI: Core revision 20260408 [ 2.064055][ T0] APIC: Switch to symmetric I/O mode setup [ 2.067273][ T0] x2apic enabled [ 2.074491][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.089593][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.092918][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 2.099405][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 2.109826][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.112681][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 2.115312][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.119428][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.123429][ T0] Spectre V2 : Mitigation: IBRS [ 2.125680][ T0] RETBleed: Mitigation: IBRS [ 2.127383][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.129404][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.132071][ T0] MDS: Mitigation: Clear CPU buffers [ 2.134308][ T0] TAA: Mitigation: Clear CPU buffers [ 2.136460][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.139403][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.143493][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.147084][ T0] Spectre V2 : Enabling IBPB for BPF [ 2.149426][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.153656][ T0] active return thunk: its_return_thunk [ 2.155819][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.159477][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.163214][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.167198][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.169410][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.172096][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.595729][ T0] pid_max: default: 32768 minimum: 301 [ 2.599877][ T0] landlock: Up and running. [ 2.602144][ T0] Yama: becoming mindful. [ 2.604012][ T0] TOMOYO Linux initialized [ 2.606904][ T0] AppArmor: AppArmor initialized [ 2.611098][ T0] LSM support for eBPF active [ 2.613862][ T0] debugfs: Unable to create file 'net_refcnt@ffffffff9b0dafc0', debugfs is not initialized yet [ 2.618020][ T0] debugfs: Unable to create file 'net_notrefcnt@ffffffff9b0db038', debugfs is not initialized yet [ 2.625484][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.632608][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.640021][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.644770][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.651380][ T0] VFS: Finished mounting rootfs on nullfs [ 2.659628][ T0] Running RCU synchronous self tests [ 2.662216][ T0] Running RCU synchronous self tests [ 2.785775][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.789386][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.789530][ T1] signal: max sigframe size: 1776 [ 2.791997][ T1] rcu: Hierarchical SRCU implementation. [ 2.794470][ T1] rcu: Max phase no-delay instances is 1000. [ 2.800600][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.886221][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.891132][ T1] smp: Bringing up secondary CPUs ... [ 2.896265][ T1] smpboot: x86: Booting SMP configuration: [ 2.899571][ T1] .... node #0, CPUs: #1 [ 2.900440][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 2.909467][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 2.915603][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 2.919643][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.921521][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 2.931225][ T1] Memory: 6451804K/8388204K available (178578K kernel code, 30449K rwdata, 43408K rodata, 27156K init, 120568K bss, 1746844K reserved, 0K cma-reserved) [ 2.942594][ T1] devtmpfs: initialized [ 2.944160][ T1] x86/mm: Memory block size: 128MB [ 3.022036][ T1] Running RCU synchronous self tests [ 3.024229][ T1] Running RCU synchronous self tests [ 3.024270][ T1] Running RCU Tasks wait API self tests [ 3.029524][ T1] Running RCU Tasks Trace wait API self tests [ 3.032535][ T1] posixtimers hash table entries: 1024 (order: 5, 73728 bytes, vmalloc) [ 3.033291][ T1] futex hash table entries: 256 (32768 bytes on 2 NUMA nodes, total 64 KiB, linear). [ 3.039909][ T1] xor: automatically using best checksumming function avx [ 3.049302][ T1] PM: RTC time: 17:34:36, date: 2026-07-27 [ 3.063183][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.074588][ T1] audit: initializing netlink subsys (disabled) [ 3.079787][ T30] audit: type=2000 audit(1785173676.706:1): state=initialized audit_enabled=0 res=1 [ 3.089840][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.090128][ T1] cpuidle: using governor menu [ 3.095701][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.099464][ T10] Callback from call_rcu_tasks_trace() invoked. [ 3.108192][ T1] dca service started, version 1.12.1 [ 3.109775][ T1] PCI: Using configuration type 1 for base access [ 3.131036][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.134135][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.139492][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.142845][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.183495][ T1] raid6: using avx2x2 recovery algorithm [ 3.190301][ T1] ACPI: Added _OSI(Module Device) [ 3.192372][ T1] ACPI: Added _OSI(Processor Device) [ 3.195186][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.462028][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.503400][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.561076][ T1] ACPI: Interpreter enabled [ 3.564089][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.566150][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.570026][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.574543][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.590639][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.023898][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.027631][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.029422][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 4.034624][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 4.039982][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 4.103302][ T1] PCI host bridge to bus 0000:00 [ 4.105958][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.110158][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0x0fff window] [ 4.114110][ T1] pci_bus 0000:00: root bus resource [io 0xc000-0xffff window] [ 4.117931][ T1] pci_bus 0000:00: root bus resource [io 0xa000-0xbfff window] [ 4.119484][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.123258][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 4.129467][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.133250][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 4.143451][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 4.158063][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 4.165257][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.180280][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 4.189455][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 4.192446][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 4.206147][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 4.219774][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 4.223521][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 4.235771][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 4.249535][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 4.253725][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.269988][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 4.279493][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 4.290972][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.299478][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.302644][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 4.373765][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.386248][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.400320][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.412745][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.420738][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.455692][ T1] iommu: Default domain type: Translated [ 4.455692][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.471956][ T1] SCSI subsystem initialized [ 4.474163][ T1] ACPI: bus type USB registered [ 4.480864][ T1] usbcore: registered new interface driver usbfs [ 4.484151][ T1] usbcore: registered new interface driver hub [ 4.487162][ T1] usbcore: registered new device driver usb [ 4.493735][ T1] mc: Linux media interface: v0.10 [ 4.496814][ T1] videodev: Linux video capture interface: v2.00 [ 4.500784][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.503295][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.509649][ T1] PTP clock support registered [ 4.513718][ T1] EDAC MC: Ver: 3.0.0 [ 4.528200][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.542667][ T1] Bluetooth: Core ver 2.22 [ 4.545065][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.547465][ T1] Bluetooth: HCI device and connection manager initialized [ 4.550133][ T1] Bluetooth: HCI socket layer initialized [ 4.553072][ T1] Bluetooth: L2CAP socket layer initialized [ 4.555785][ T1] Bluetooth: SCO socket layer initialized [ 4.558306][ T1] NET: Registered PF_ATMPVC protocol family [ 4.562422][ T1] NetLabel: Initializing [ 4.564108][ T1] NetLabel: domain hash size = 128 [ 4.566385][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.569807][ T1] NetLabel: unlabeled traffic allowed by default [ 4.576223][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.578925][ T1] NET: Registered PF_NFC protocol family [ 4.579596][ T1] mctp: management component transport protocol core [ 4.582762][ T1] NET: Registered PF_MCTP protocol family [ 4.585551][ T1] PCI: Using ACPI for IRQ routing [ 4.589844][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.593367][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 4.599044][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.599386][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.599386][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.599413][ T1] vgaarb: loaded [ 4.621927][ T1] clocksource: Switched to clocksource kvm-clock [ 4.641553][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.644304][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 4.655241][ T1] netfs: FS-Cache loaded [ 4.660227][ T1] CacheFiles: Loaded [ 4.663916][ T1] TOMOYO: 2.6.0 [ 4.665332][ T1] Mandatory Access Control activated. [ 4.675332][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.679050][ T1] pnp: PnP ACPI init [ 4.743226][ T1] pnp: PnP ACPI: found 6 devices [ 4.834217][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.840220][ T1] NET: Registered PF_INET protocol family [ 4.844948][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.860134][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 7, 294912 bytes, vmalloc) [ 4.865324][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.870318][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.885493][ T1] TCP bind hash table entries: 65536 (order: 12, 9437184 bytes, vmalloc hugepage) [ 4.895488][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.901807][ T1] MPTCP token hash table entries: 8192 (order: 8, 720896 bytes, vmalloc) [ 4.907366][ T1] UDP hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc) [ 4.913614][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.922603][ T1] RPC: Registered named UNIX socket transport module. [ 4.925563][ T1] RPC: Registered udp transport module. [ 4.927773][ T1] RPC: Registered tcp transport module. [ 4.930995][ T1] RPC: Registered tcp-with-tls transport module. [ 4.933794][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.941279][ T1] NET: Registered PF_XDP protocol family [ 4.944031][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.946794][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0x0fff window] [ 4.950240][ T1] pci_bus 0000:00: resource 6 [io 0xc000-0xffff window] [ 4.953207][ T1] pci_bus 0000:00: resource 7 [io 0xa000-0xbfff window] [ 4.956305][ T1] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window] [ 4.960503][ T1] pci_bus 0000:00: resource 9 [mem 0xc0000000-0xfebfefff window] [ 4.967183][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.971099][ T1] PCI: CLS 0 bytes, default 64 [ 4.975071][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.979502][ T1] software IO TLB: mapped [mem 0x00000000b4400000-0x00000000b8400000] (64MB) [ 4.990600][ T1] ACPI: bus type thunderbolt registered [ 4.998094][ T58] kworker/u8:0 (58) used greatest stack depth: 28232 bytes left [ 5.001770][ T57] kworker/u8:0 (57) used greatest stack depth: 27536 bytes left [ 5.010301][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 5.048920][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 5.051279][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 5.056517][ T1] clocksource: Switched to clocksource tsc [ 5.075417][ T67] kworker/u8:0 (67) used greatest stack depth: 27144 bytes left [ 5.100525][ T1] Initialise system trusted keyrings [ 5.106738][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 5.126315][ T1] DLM installed [ 5.141731][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.156658][ T1] NFS: Registering the id_resolver key type [ 5.160267][ T1] Key type id_resolver registered [ 5.162634][ T1] Key type id_legacy registered [ 5.165629][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.169468][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.178399][ T1] smbdirect: subsystem loading... [ 5.190016][ T1] smbdirect: subsystem loaded [ 5.207119][ T1] Key type cifs.spnego registered [ 5.210198][ T1] Key type cifs.idmap registered [ 5.216801][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.219540][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.223915][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.230740][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.233537][ T1] QNX4 filesystem 0.2.3 registered. [ 5.237409][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.241839][ T1] fuse: init (API version 7.45) [ 5.248071][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.248374][ T111] kworker/u8:0 (111) used greatest stack depth: 26432 bytes left [ 5.257428][ T1] orangefs_init: module version upstream loaded [ 5.261582][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.277786][ T1] SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled [ 5.291562][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.295518][ T1] NILFS version 2 loaded [ 5.297301][ T1] befs: version: 0.9.3 [ 5.300257][ T1] ocfs2: Registered cluster interface o2cb [ 5.304074][ T1] ocfs2: Registered cluster interface user [ 5.309097][ T1] OCFS2 User DLM kernel interface loaded [ 5.343179][ T1] gfs2: GFS2 installed [ 5.367287][ T1] ceph: loaded (mds proto 32) [ 5.379848][ T1] NET: Registered PF_ALG protocol family [ 5.383265][ T1] async_tx: api initialized (async) [ 5.385874][ T1] Key type asymmetric registered [ 5.388413][ T1] Asymmetric key parser 'x509' registered [ 5.391647][ T1] Asymmetric key parser 'pkcs8' registered [ 5.394216][ T1] Key type pkcs7_test registered [ 5.397058][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 5.403929][ T1] io scheduler mq-deadline registered [ 5.406784][ T1] io scheduler kyber registered [ 5.409451][ T1] io scheduler bfq registered [ 5.413237][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 5.435221][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 5.443903][ T1] ACPI: button: Power Button [PWRF] [ 5.449351][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 5.457024][ T1] ACPI: button: Sleep Button [SLPF] [ 5.498554][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 5.535480][ T10] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.537985][ T10] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.578178][ T10] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.581297][ T10] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.620614][ T10] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.623903][ T10] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.652969][ T10] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 6.461279][ T1] N_HDLC line discipline registered with maxframe=4096 [ 6.465629][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.481010][ T1] 00:02: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.504149][ T1] 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 6.528929][ T1] 00:04: ttyS2 I/O:0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 6.553379][ T1] 00:05: ttyS3 I/O:0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 6.595261][ T1] Non-volatile memory driver v1.3 [ 6.634426][ T1] usbcore: registered new interface driver xillyusb [ 6.645305][ T1] ACPI: bus type drm_connector registered [ 6.659298][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 6.671304][ T1] ------------[ cut here ]------------ [ 6.673946][ T1] [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup [ 6.673979][ T1] WARNING: drivers/gpu/drm/drm_mode_config.c:873 at drm_mode_config_validate+0x1c6a/0x1e60, CPU#0: swapper/0/1 [ 6.682597][ T1] Modules linked in: [ 6.684330][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 6.688195][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 6.691986][ T1] RIP: 0010:drm_mode_config_validate+0x1cab/0x1e60 [ 6.694783][ 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 ad 1c 9e fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 59 92 2f fc 49 bd 00 00 00 00 00 fc ff df [ 6.702450][ T1] RSP: 0000:ffffc90000067810 EFLAGS: 00010246 [ 6.705059][ T1] RAX: 1ffff11004d18408 RBX: dffffc0000000000 RCX: ffff88801d6fddc0 [ 6.708382][ T1] RDX: ffff888026654c20 RSI: 0000000000000023 RDI: ffffffff90a58880 [ 6.711714][ T1] RBP: 0000000000000023 R08: ffff88802462a69b R09: 1ffff110048c54d3 [ 6.715010][ T1] R10: dffffc0000000000 R11: ffffed10048c54d4 R12: dffffc0000000000 [ 6.718061][ T1] R13: ffffffff90a58880 R14: ffff8880268c2040 R15: ffff8880268c2030 [ 6.721571][ T1] FS: 0000000000000000(0000) GS:ffff8881248d6000(0000) knlGS:0000000000000000 [ 6.725344][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.728010][ T1] CR2: ffff88823ffff000 CR3: 000000000ed48000 CR4: 00000000003526f0 [ 6.731023][ T1] Call Trace: [ 6.732262][ T1] [ 6.733350][ T1] ? debugfs_create_file_full+0x3f/0x60 [ 6.736032][ T1] drm_dev_register+0x7c/0xd80 [ 6.738362][ T1] vkms_create+0x40d/0x4f0 [ 6.740116][ T1] ? __pfx_vkms_init+0x10/0x10 [ 6.742173][ T1] vkms_init+0x57/0x80 [ 6.744206][ T1] do_one_initcall+0x250/0x870 [ 6.746152][ T1] ? __pfx_vkms_init+0x10/0x10 [ 6.747940][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 6.749963][ T1] ? stack_trace_save+0xa9/0x100 [ 6.752109][ T1] ? get_alloc_stack_hash+0x3d5/0x770 [ 6.754449][ T1] ? __pfx___schedule+0x10/0x10 [ 6.756290][ T1] ? irqentry_exit+0x218/0x8f0 [ 6.758510][ T1] ? irqentry_exit+0x218/0x8f0 [ 6.760606][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 6.763292][ T1] ? irqentry_exit+0x218/0x8f0 [ 6.765399][ T1] ? trace_irq_disable+0x3b/0x140 [ 6.767378][ T1] ? next_arg+0x4a0/0x5e0 [ 6.769099][ T1] ? parameq+0x14d/0x170 [ 6.770948][ T1] ? parse_args+0x9c3/0xad0 [ 6.773035][ T1] ? rcu_is_watching+0x15/0xb0 [ 6.775072][ T1] do_initcall_level+0x10a/0x1a0 [ 6.777097][ T1] ? kernel_init+0x22/0x1d0 [ 6.779089][ T1] do_initcalls+0x59/0xa0 [ 6.781081][ T1] kernel_init_freeable+0x29d/0x3e0 [ 6.783085][ T1] ? __pfx_kernel_init+0x10/0x10 [ 6.785298][ T1] kernel_init+0x22/0x1d0 [ 6.787276][ T1] ? __pfx_kernel_init+0x10/0x10 [ 6.789380][ T1] ret_from_fork+0x514/0xb70 [ 6.791176][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 6.793391][ T1] ? __switch_to+0xc89/0x1420 [ 6.795221][ T1] ? __pfx_kernel_init+0x10/0x10 [ 6.797284][ T1] ret_from_fork_asm+0x1a/0x30 [ 6.799199][ T1] [ 6.800528][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 6.803351][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 6.805182][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 6.805182][ T1] Call Trace: [ 6.805182][ T1] [ 6.805182][ T1] vpanic+0x56c/0xa60 [ 6.805182][ T1] ? __pfx__printk+0x10/0x10 [ 6.805182][ T1] ? __pfx_vpanic+0x10/0x10 [ 6.805182][ T1] ? is_bpf_text_address+0x292/0x2b0 [ 6.805182][ T1] ? is_bpf_text_address+0x26/0x2b0 [ 6.805182][ T1] panic+0xc5/0xd0 [ 6.805182][ T1] ? __pfx_panic+0x10/0x10 [ 6.805182][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 6.805182][ T1] __warn+0x315/0x4c0 [ 6.805182][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60 [ 6.805182][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60 [ 6.805182][ T1] __report_bug+0x276/0x570 [ 6.805182][ T1] ? look_up_lock_class+0x57/0x110 [ 6.805182][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60 [ 6.805182][ T1] ? __pfx___report_bug+0x10/0x10 [ 6.805182][ T1] ? __pfx_inode_set_ctime_to_ts+0x10/0x10 [ 6.805182][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 6.805182][ T1] ? seqcount_lockdep_reader_access+0xea/0x100 [ 6.805182][ T1] ? ktime_get_coarse_real_ts64_mg+0x1c5/0x1e0 [ 6.854181][ T1] report_bug_entry+0x19a/0x290 [ 6.854181][ T1] ? drm_mode_config_validate+0x1cab/0x1e60 [ 6.854181][ T1] ? drm_mode_config_validate+0x1cb0/0x1e60 [ 6.854181][ T1] handle_bug+0xce/0x200 [ 6.854181][ T1] exc_invalid_op+0x1a/0x50 [ 6.854181][ T1] asm_exc_invalid_op+0x1a/0x20 [ 6.854181][ T1] RIP: 0010:drm_mode_config_validate+0x1cab/0x1e60 [ 6.854181][ 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 ad 1c 9e fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 59 92 2f fc 49 bd 00 00 00 00 00 fc ff df [ 6.854181][ T1] RSP: 0000:ffffc90000067810 EFLAGS: 00010246 [ 6.854181][ T1] RAX: 1ffff11004d18408 RBX: dffffc0000000000 RCX: ffff88801d6fddc0 [ 6.854181][ T1] RDX: ffff888026654c20 RSI: 0000000000000023 RDI: ffffffff90a58880 [ 6.854181][ T1] RBP: 0000000000000023 R08: ffff88802462a69b R09: 1ffff110048c54d3 [ 6.854181][ T1] R10: dffffc0000000000 R11: ffffed10048c54d4 R12: dffffc0000000000 [ 6.854181][ T1] R13: ffffffff90a58880 R14: ffff8880268c2040 R15: ffff8880268c2030 [ 6.854181][ T1] ? debugfs_create_file_full+0x3f/0x60 [ 6.854181][ T1] drm_dev_register+0x7c/0xd80 [ 6.904074][ T1] vkms_create+0x40d/0x4f0 [ 6.904074][ T1] ? __pfx_vkms_init+0x10/0x10 [ 6.904074][ T1] vkms_init+0x57/0x80 [ 6.904074][ T1] do_one_initcall+0x250/0x870 [ 6.904074][ T1] ? __pfx_vkms_init+0x10/0x10 [ 6.904074][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 6.904074][ T1] ? stack_trace_save+0xa9/0x100 [ 6.904074][ T1] ? get_alloc_stack_hash+0x3d5/0x770 [ 6.904074][ T1] ? __pfx___schedule+0x10/0x10 [ 6.904074][ T1] ? irqentry_exit+0x218/0x8f0 [ 6.904074][ T1] ? irqentry_exit+0x218/0x8f0 [ 6.904074][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 6.904074][ T1] ? irqentry_exit+0x218/0x8f0 [ 6.904074][ T1] ? trace_irq_disable+0x3b/0x140 [ 6.904074][ T1] ? next_arg+0x4a0/0x5e0 [ 6.904074][ T1] ? parameq+0x14d/0x170 [ 6.904074][ T1] ? parse_args+0x9c3/0xad0 [ 6.904074][ T1] ? rcu_is_watching+0x15/0xb0 [ 6.904074][ T1] do_initcall_level+0x10a/0x1a0 [ 6.904074][ T1] ? kernel_init+0x22/0x1d0 [ 6.904074][ T1] do_initcalls+0x59/0xa0 [ 6.904074][ T1] kernel_init_freeable+0x29d/0x3e0 [ 6.904074][ T1] ? __pfx_kernel_init+0x10/0x10 [ 6.904074][ T1] kernel_init+0x22/0x1d0 [ 6.904074][ T1] ? __pfx_kernel_init+0x10/0x10 [ 6.904074][ T1] ret_from_fork+0x514/0xb70 [ 6.904074][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 6.904074][ T1] ? __switch_to+0xc89/0x1420 [ 6.904074][ T1] ? __pfx_kernel_init+0x10/0x10 [ 6.904074][ T1] ret_from_fork_asm+0x1a/0x30 [ 6.904074][ T1] [ 6.904074][ T1] Kernel Offset: disabled [ 6.904074][ T1] Rebooting in 86400 seconds..