failed to run ["ssh" "-p" "48815" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255ftruncate: Invalid argument qemu-system-x86_64: warning: hub 0 is not connected to host network [ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1 loop.max_loop=1 dummy_hcd.num=1 netrom.nr_ndevs=1 rose.rose_ndevs=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000005ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000005ffdd000-0x000000005fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 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] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000 [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000011][ T0] kvm-clock: using sched offset of 2618094829 cycles [ 0.006301][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.031532][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000 [ 0.038013][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.046920][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.064837][ T0] found SMP MP-table at [mem 0x000f5430-0x000f543f] [ 0.071334][ T0] Using GB pages for direct mapping [ 0.078788][ T0] ACPI: Early table checksum verification disabled [ 0.084755][ T0] ACPI: RSDP 0x00000000000F5270 000014 (v00 BOCHS ) [ 0.090434][ T0] ACPI: RSDT 0x000000005FFE25D7 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.098579][ T0] ACPI: FACP 0x000000005FFE189E 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.106249][ T0] ACPI: DSDT 0x000000005FFDF040 00285E (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.115056][ T0] ACPI: FACS 0x000000005FFDF000 000040 [ 0.120031][ T0] ACPI: APIC 0x000000005FFE1992 000078 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.128661][ T0] ACPI: HPET 0x000000005FFE1A0A 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.137616][ T0] ACPI: SRAT 0x000000005FFE1A42 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.146282][ T0] ACPI: MCFG 0x000000005FFE1B22 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.154548][ T0] ACPI: DMAR 0x000000005FFE1B5E 0000D0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.163139][ T0] ACPI: SSDT 0x000000005FFE1C2E 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.171516][ T0] ACPI: NFIT 0x000000005FFE24CF 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.180021][ T0] ACPI: WAET 0x000000005FFE25AF 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.188346][ T0] ACPI: Reserving FACP table memory at [mem 0x5ffe189e-0x5ffe1991] [ 0.196370][ T0] ACPI: Reserving DSDT table memory at [mem 0x5ffdf040-0x5ffe189d] [ 0.203899][ T0] ACPI: Reserving FACS table memory at [mem 0x5ffdf000-0x5ffdf03f] [ 0.211161][ T0] ACPI: Reserving APIC table memory at [mem 0x5ffe1992-0x5ffe1a09] [ 0.218714][ T0] ACPI: Reserving HPET table memory at [mem 0x5ffe1a0a-0x5ffe1a41] [ 0.226701][ T0] ACPI: Reserving SRAT table memory at [mem 0x5ffe1a42-0x5ffe1b21] [ 0.234293][ T0] ACPI: Reserving MCFG table memory at [mem 0x5ffe1b22-0x5ffe1b5d] [ 0.241640][ T0] ACPI: Reserving DMAR table memory at [mem 0x5ffe1b5e-0x5ffe1c2d] [ 0.248684][ T0] ACPI: Reserving SSDT table memory at [mem 0x5ffe1c2e-0x5ffe24ce] [ 0.256136][ T0] ACPI: Reserving NFIT table memory at [mem 0x5ffe24cf-0x5ffe25ae] [ 0.265023][ T0] ACPI: Reserving WAET table memory at [mem 0x5ffe25af-0x5ffe25d6] [ 0.273751][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.279881][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x5fffffff] [ 0.286017][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.293059][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x59fffffff] hotplug [ 0.300303][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x5ffdcfff] -> [mem 0x00001000-0x5ffdcfff] [ 0.310979][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000030000fff] (768MB) [ 0.318929][ T0] Faking node 1 at [mem 0x0000000030001000-0x000000005ffdcfff] (767MB) [ 0.326818][ T0] NODE_DATA(0) allocated [mem 0x2fffb400-0x30000fff] [ 0.334312][ T0] NODE_DATA(1) allocated [mem 0x5ffd6400-0x5ffdbfff] [ 0.353198][ T0] Zone ranges: [ 0.356264][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.362344][ T0] DMA32 [mem 0x0000000001000000-0x000000005ffdcfff] [ 0.368482][ T0] Normal empty [ 0.371400][ T0] Device empty [ 0.374370][ T0] Movable zone start for each node [ 0.378978][ T0] Early memory node ranges [ 0.382908][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.389366][ T0] node 0: [mem 0x0000000000100000-0x0000000030000fff] [ 0.395981][ T0] node 1: [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.402552][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000030000fff] [ 0.409945][ T0] Initmem setup node 1 [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.417829][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.424764][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.455593][ T0] On node 1, zone DMA32: 35 pages in unavailable ranges [ 0.572236][ T0] KernelAddressSanitizer initialized (generic) [ 0.586398][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.591748][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.599032][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.605946][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.612563][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.619529][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.626579][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.633707][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.640917][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.647351][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.652909][ T0] TSC deadline timer available [ 0.657169][ T0] CPU topo: Max. logical packages: 1 [ 0.662012][ T0] CPU topo: Max. logical dies: 1 [ 0.666938][ T0] CPU topo: Max. dies per package: 1 [ 0.671974][ T0] CPU topo: Max. threads per core: 1 [ 0.676966][ T0] CPU topo: Num. cores per package: 1 [ 0.682214][ T0] CPU topo: Num. threads per package: 1 [ 0.687488][ T0] CPU topo: Allowing 1 present CPUs plus 0 hotplug CPUs [ 0.711491][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.725676][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.733628][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.741044][ T0] [mem 0x60000000-0xafffffff] available for PCI devices [ 0.747006][ T0] Booting paravirtualized kernel on KVM [ 0.753014][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.851786][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:2 [ 0.861027][ T0] percpu: Embedded 70 pages/cpu s248968 r8192 d29560 u2097152 [ 0.869812][ T0] kvm-guest: PV spinlocks disabled, single CPU [ 0.875480][ 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 \ [ 0.960737][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 root=/dev/sda console=ttyS0 root=/dev/sda1 loop.max_loop=1 dummy_hcd.num=1 netrom.nr_ndevs=1 rose.rose_ndevs=1 [ 0.990105][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 1.001245][ T0] random: crng init done [ 1.005342][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 1.015302][ T0] software IO TLB: area num 1. [ 1.055527][ T0] Fallback order for Node 0: 0 1 [ 1.055573][ T0] Fallback order for Node 1: 1 0 [ 1.055596][ T0] Built 2 zonelists, mobility grouping on. Total pages: 393083 [ 1.068527][ T0] Policy zone: DMA32 [ 1.073200][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 1.079701][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 1.085535][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.099960][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.223791][ T0] ********************************************************** [ 1.229442][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.234810][ T0] ** ** [ 1.240206][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.246894][ T0] ** via the console, logs, and other interfaces. This ** [ 1.252569][ T0] ** might reduce the security of your system. ** [ 1.258240][ T0] ** ** [ 1.263859][ T0] ** If you see this message and you are not debugging ** [ 1.269347][ T0] ** the kernel, report this immediately to your system ** [ 1.274771][ T0] ** administrator! ** [ 1.280300][ T0] ** ** [ 1.286002][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.291583][ T0] ** ** [ 1.297094][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.302500][ T0] ********************************************************** [ 1.311538][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=2 [ 1.352135][ T0] allocated 31457280 bytes of page_ext [ 1.356315][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.371236][ T0] Node 0, zone DMA32: page owner found early allocated 4578 pages [ 1.379487][ T0] Node 1, zone DMA32: page owner found early allocated 3203 pages [ 1.387461][ T0] Dynamic Preempt: full [ 1.392002][ T0] Running RCU self tests [ 1.395070][ T0] Running RCU synchronous self tests [ 1.399033][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.403810][ T0] rcu: RCU lockdep checking is enabled. [ 1.407874][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1. [ 1.413181][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.418594][ T0] rcu: RCU debug extended QS entry/exit. [ 1.422755][ T0] All grace periods are expedited (rcu_expedited). [ 1.427752][ T0] Trampoline variant of Tasks RCU enabled. [ 1.432041][ T0] Tracing variant of Tasks RCU enabled. [ 1.436261][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.442528][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 1.448417][ T0] Running RCU synchronous self tests [ 1.452365][ T0] RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. [ 1.459454][ T0] RCU Tasks Trace: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. [ 1.620292][ T0] NR_IRQS: 4352, nr_irqs: 256, preallocated irqs: 16 [ 1.626681][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.633163][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88805b200000-0xffff88805b400000 [ 1.675932][ T0] Console: colour VGA+ 80x25 [ 1.679705][ T0] printk: legacy console [ttyS0] enabled [ 1.679705][ T0] printk: legacy console [ttyS0] enabled [ 1.687992][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.687992][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.697579][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.704112][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.707808][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.711716][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.715630][ T0] ... CLASSHASH_SIZE: 4096 [ 1.719628][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.723940][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.728377][ T0] ... CHAINHASH_SIZE: 524288 [ 1.732898][ T0] memory used by lock dependency info: 106625 kB [ 1.737833][ T0] memory used for stack traces: 8320 kB [ 1.742006][ T0] per task-struct memory footprint: 1920 bytes [ 1.746704][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.756167][ T0] ACPI: Core revision 20250807 [ 1.762097][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.770713][ T0] APIC: Switch to symmetric I/O mode setup [ 1.775073][ T0] DMAR: Host address width 48 [ 1.778673][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.783849][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c222f0606 ecap f00f5e [ 1.790455][ T0] DMAR: ATSR flags: 0x1 [ 1.793597][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0 [ 1.798933][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 1.816401][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 1.822641][ T0] x2apic enabled [ 1.826830][ T0] APIC: Switched APIC routing to: cluster x2apic [ 1.849714][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 1.855603][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980) [ 1.867006][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.876352][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.881030][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.885659][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.893676][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.895595][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.905596][ T0] RETBleed: Mitigation: Enhanced IBRS [ 1.909634][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.914327][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.915595][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.925594][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.932601][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.935605][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.945617][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.955615][ T0] active return thunk: its_return_thunk [ 1.960305][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.965865][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.972016][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.975595][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.980769][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.985592][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 1.990672][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 1.995591][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.000594][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 2.005594][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 2.010664][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 2.015591][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 2.454923][ T0] Freeing SMP alternatives memory: 136K [ 2.455600][ T0] pid_max: default: 32768 minimum: 301 [ 2.461284][ T0] landlock: Up and running. [ 2.465592][ T0] Yama: becoming mindful. [ 2.468940][ T0] TOMOYO Linux initialized [ 2.478730][ T0] AppArmor: AppArmor initialized [ 2.483498][ T0] LSM support for eBPF active [ 2.489269][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc hugepage) [ 2.496527][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.505899][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.512230][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.526856][ T0] Running RCU synchronous self tests [ 2.530466][ T0] Running RCU synchronous self tests [ 2.656080][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 2.667166][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only. [ 2.674801][ T1] signal: max sigframe size: 3632 [ 2.676409][ T1] rcu: Hierarchical SRCU implementation. [ 2.680608][ T1] rcu: Max phase no-delay instances is 1000. [ 2.753005][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.756316][ T1] smp: Bringing up secondary CPUs ... [ 2.760510][ T1] smp: Brought up 2 nodes, 1 CPU [ 2.765653][ T1] smpboot: Total of 1 processors activated (5599.99 BogoMIPS) [ 2.772348][ T1] Memory: 749516K/1572332K available (173876K kernel code, 29783K rwdata, 40340K rodata, 26400K init, 121380K bss, 775040K reserved, 0K cma-reserved) [ 2.789021][ T1] devtmpfs: initialized [ 2.794935][ T1] x86/mm: Memory block size: 128MB [ 2.837021][ T1] Running RCU synchronous self tests [ 2.840846][ T1] Running RCU synchronous self tests [ 2.846080][ T1] Running RCU Tasks wait API self tests [ 2.955788][ T1] Running RCU Tasks Trace wait API self tests [ 2.960336][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.966246][ T1] posixtimers hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 2.972241][ T1] futex hash table entries: 128 (16384 bytes on 2 NUMA nodes, total 32 KiB, linear). [ 2.975843][ T24] Callback from call_rcu_tasks_trace() invoked. [ 2.991591][ T1] PM: RTC time: 03:08:24, date: 2026-02-04 [ 3.007226][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.020087][ T1] audit: initializing netlink subsys (disabled) [ 3.025271][ T25] audit: type=2000 audit(1770174505.176:1): state=initialized audit_enabled=0 res=1 [ 3.036310][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.036534][ T1] cpuidle: using governor menu [ 3.046264][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.060415][ T1] dca service started, version 1.12.1 [ 3.066113][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff] [ 3.072702][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry [ 3.184317][ T1] PCI: Using configuration type 1 for base access [ 3.208360][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.214216][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.225638][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.231398][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.284767][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 3.295632][ T1] raid6: using avx512x2 recovery algorithm [ 3.302016][ T1] ACPI: Added _OSI(Module Device) [ 3.305824][ T23] Callback from call_rcu_tasks() invoked. [ 3.315607][ T1] ACPI: Added _OSI(Processor Device) [ 3.319617][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.638760][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.768578][ T1] ACPI: Interpreter enabled [ 3.772491][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.785922][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.796628][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.804522][ T1] PCI: Using E820 reservations for host bridge windows [ 3.822132][ T1] ACPI: Enabled 4 GPEs in block 00 to 3F [ 4.339060][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.344506][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 4.360024][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR] [ 4.384101][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability] [ 4.398664][ T1] PCI host bridge to bus 0000:00 [ 4.402482][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.415966][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.421416][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.435689][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.442220][ T1] pci_bus 0000:00: root bus resource [mem 0x60000000-0xafffffff window] [ 4.455633][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.461651][ T1] pci_bus 0000:00: root bus resource [mem 0x5c0000000-0xdbfffffff window] [ 4.475651][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.480589][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint [ 4.512123][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 4.535039][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfc000000-0xfc7fffff pref] [ 4.545802][ T1] pci 0000:00:01.0: BAR 2 [mem 0xfca00000-0xfca03fff 64bit pref] [ 4.551730][ T1] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 4.565754][ T1] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref] [ 4.572940][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.587228][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x310 took 19531 usecs [ 4.615033][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint [ 4.638944][ T1] pci 0000:00:02.0: BAR 0 [mem 0xfea80000-0xfea9ffff] [ 4.643953][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfeaa0000-0xfeabffff] [ 4.655851][ T1] pci 0000:00:02.0: BAR 2 [io 0xc080-0xc09f] [ 4.660489][ T1] pci 0000:00:02.0: BAR 3 [mem 0xfeaf0000-0xfeaf3fff] [ 4.675619][ T1] pci 0000:00:02.0: ROM [mem 0xfea00000-0xfea3ffff pref] [ 4.681131][ T1] pci 0000:00:02.0: enabling Extended Tags [ 4.717063][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.739500][ T1] pci 0000:00:03.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.744152][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfeaf5000-0xfeaf5fff] [ 4.765898][ T1] pci 0000:00:03.0: BAR 4 [mem 0xfca04000-0xfca07fff 64bit pref] [ 4.790359][ T1] pci 0000:00:04.0: [8086:3420] type 01 class 0x060400 PCIe Root Port [ 4.810986][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 4.825942][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 4.833976][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 4.846214][ T1] pci 0000:00:04.0: enabling Extended Tags [ 4.869653][ T1] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint [ 4.891254][ T1] pci 0000:00:05.0: BAR 0 [io 0xc0c0-0xc0df] [ 4.906178][ T1] pci 0000:00:05.0: BAR 1 [mem 0xfeaf6000-0xfeaf6fff] [ 4.911529][ T1] pci 0000:00:05.0: BAR 4 [mem 0xfca08000-0xfca0bfff 64bit pref] [ 4.937323][ T1] pci 0000:00:06.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 4.958948][ T1] pci 0000:00:06.0: BAR 0 [mem 0xfeac0000-0xfeadffff] [ 4.964086][ T1] pci 0000:00:06.0: BAR 1 [io 0xc000-0xc03f] [ 4.975942][ T1] pci 0000:00:06.0: ROM [mem 0xfea40000-0xfea7ffff pref] [ 4.995999][ T1] pci 0000:00:07.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 5.019793][ T1] pci 0000:00:07.0: BAR 0 [mem 0xfeaf7000-0xfeaf70ff] [ 5.036270][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfeaf8000-0xfeaf8fff] [ 5.041206][ T1] pci 0000:00:07.0: BAR 2 [mem 0xfca0c000-0xfca0cfff 64bit pref] [ 5.064529][ T1] pci 0000:00:08.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 5.083249][ T1] pci 0000:00:08.0: BAR 0 [mem 0xfeaf9000-0xfeaf90ff] [ 5.095812][ T1] pci 0000:00:08.0: BAR 2 [mem 0xfa000000-0xfbffffff 64bit pref] [ 5.121707][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 conventional PCI endpoint [ 5.139649][ T1] pci 0000:00:1d.0: BAR 4 [io 0xc0e0-0xc0ff] [ 5.159667][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 conventional PCI endpoint [ 5.189587][ T1] pci 0000:00:1d.1: BAR 4 [io 0xc100-0xc11f] [ 5.212861][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 conventional PCI endpoint [ 5.229241][ T1] pci 0000:00:1d.2: BAR 4 [io 0xc120-0xc13f] [ 5.249525][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 conventional PCI endpoint [ 5.269106][ T1] pci 0000:00:1d.7: BAR 0 [mem 0xfeafa000-0xfeafafff] [ 5.289598][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint [ 5.308843][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 5.331177][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint [ 5.350608][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc140-0xc15f] [ 5.355179][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfeafb000-0xfeafbfff] [ 5.372860][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint [ 5.389569][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f] [ 5.412015][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 5.492658][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 5.511115][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 5.530627][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 5.550976][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 5.570904][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10 [ 5.590938][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10 [ 5.610984][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11 [ 5.630807][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11 [ 5.647028][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16 [ 5.652750][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17 [ 5.666539][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18 [ 5.672450][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19 [ 5.686309][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20 [ 5.692148][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21 [ 5.706360][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22 [ 5.712290][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23 [ 5.773701][ T1] iommu: Default domain type: Translated [ 5.785765][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 5.798066][ T1] SCSI subsystem initialized [ 5.820041][ T1] ACPI: bus type USB registered [ 5.824649][ T1] usbcore: registered new interface driver usbfs [ 5.840564][ T1] usbcore: registered new interface driver hub [ 5.856843][ T1] usbcore: registered new device driver usb [ 5.875655][ T1] mc: Linux media interface: v0.10 [ 5.880093][ T1] videodev: Linux video capture interface: v2.00 [ 5.897314][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.901740][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.915784][ T1] PTP clock support registered [ 5.923776][ T1] EDAC MC: Ver: 3.0.0 [ 5.941417][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.962039][ T1] Bluetooth: Core ver 2.22 [ 5.975783][ T1] NET: Registered PF_BLUETOOTH protocol family [ 5.980223][ T1] Bluetooth: HCI device and connection manager initialized [ 5.995734][ T1] Bluetooth: HCI socket layer initialized [ 5.999920][ T1] Bluetooth: L2CAP socket layer initialized [ 6.004334][ T1] Bluetooth: SCO socket layer initialized [ 6.015965][ T1] NET: Registered PF_ATMPVC protocol family [ 6.020323][ T1] NET: Registered PF_ATMSVC protocol family [ 6.025155][ T1] NetLabel: Initializing [ 6.035604][ T1] NetLabel: domain hash size = 128 [ 6.039552][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 6.045127][ T1] NetLabel: unlabeled traffic allowed by default [ 6.057909][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 6.062302][ T1] NET: Registered PF_NFC protocol family [ 6.075742][ T1] mctp: management component transport protocol core [ 6.080627][ T1] NET: Registered PF_MCTP protocol family [ 6.085276][ T1] PCI: Using ACPI for IRQ routing [ 7.079385][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 7.084564][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 7.085575][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 7.095633][ T1] vgaarb: loaded [ 7.104987][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 7.115605][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 7.136502][ T1] clocksource: Switched to clocksource kvm-clock [ 7.163875][ T1] VFS: Disk quotas dquot_6.6.0 [ 7.167628][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.178755][ T1] netfs: FS-Cache loaded [ 7.193705][ T1] CacheFiles: Loaded [ 7.197160][ T1] TOMOYO: 2.6.0 [ 7.199633][ T1] Mandatory Access Control activated. [ 7.217918][ T1] AppArmor: AppArmor Filesystem Enabled [ 7.223064][ T1] pnp: PnP ACPI init [ 7.250874][ T1] system 00:05: [mem 0xb0000000-0xbfffffff window] has been reserved [ 7.305183][ T1] pnp: PnP ACPI: found 6 devices [ 7.428227][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.444551][ T1] NET: Registered PF_INET protocol family [ 7.453760][ T1] IP idents hash table entries: 32768 (order: 6, 262144 bytes, vmalloc) [ 7.474623][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 5, 73728 bytes, vmalloc) [ 7.482368][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 7.513975][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 7.535560][ T1] TCP bind hash table entries: 16384 (order: 10, 2359296 bytes, vmalloc hugepage) [ 7.553482][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 7.560892][ T1] MPTCP token hash table entries: 2048 (order: 6, 180224 bytes, vmalloc) [ 7.574146][ T1] UDP hash table entries: 1024 (order: 6, 262144 bytes, vmalloc) [ 7.580574][ T1] UDP-Lite hash table entries: 1024 (order: 6, 262144 bytes, vmalloc) [ 7.604629][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 7.627469][ T1] RPC: Registered named UNIX socket transport module. [ 7.632435][ T1] RPC: Registered udp transport module. [ 7.653345][ T1] RPC: Registered tcp transport module. [ 7.657460][ T1] RPC: Registered tcp-with-tls transport module. [ 7.662094][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 7.687333][ T1] NET: Registered PF_XDP protocol family [ 7.691743][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000 [ 7.713396][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]: assigned [ 7.718982][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 7.733437][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff] [ 7.741130][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 7.754926][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 7.774693][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 7.780132][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 7.803357][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 7.809418][ T1] pci_bus 0000:00: resource 7 [mem 0x60000000-0xafffffff window] [ 7.823354][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 7.829099][ T1] pci_bus 0000:00: resource 9 [mem 0x5c0000000-0xdbfffffff window] [ 7.853350][ T1] pci_bus 0000:01: resource 0 [io 0x1000-0x1fff] [ 7.857968][ T1] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff] [ 7.863075][ T1] pci_bus 0000:01: resource 2 [mem 0xfc800000-0xfc9fffff 64bit pref] [ 7.931316][ T1] ACPI: \_SB_.GSIA: Enabled at IRQ 16 [ 8.005095][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1830 took 116945 usecs [ 8.071296][ T1] ACPI: \_SB_.GSIB: Enabled at IRQ 17 [ 8.155220][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1830 took 139198 usecs [ 8.220798][ T1] ACPI: \_SB_.GSIC: Enabled at IRQ 18 [ 8.294223][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1830 took 129063 usecs [ 8.379854][ T1] ACPI: \_SB_.GSID: Enabled at IRQ 19 [ 8.464964][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1830 took 160434 usecs [ 8.471826][ T1] PCI: CLS 0 bytes, default 64 [ 8.494177][ T1] DMAR: No RMRR found [ 8.497128][ T1] DMAR: No SATC found [ 8.500034][ T1] DMAR: dmar0: Using Queued invalidation [ 8.516917][ T54] kworker/u4:1 (54) used greatest stack depth: 26976 bytes left [ 8.523103][ T1] pci 0000:00:00.0: Adding to iommu group 0 [ 8.533938][ T1] pci 0000:00:01.0: Adding to iommu group 1 [ 8.538938][ T1] pci 0000:00:02.0: Adding to iommu group 2 [ 8.553872][ T1] pci 0000:00:03.0: Adding to iommu group 3 [ 8.558671][ T1] pci 0000:00:04.0: Adding to iommu group 4 [ 8.574050][ T1] pci 0000:00:05.0: Adding to iommu group 5 [ 8.578955][ T1] pci 0000:00:06.0: Adding to iommu group 6 [ 8.593770][ T1] pci 0000:00:07.0: Adding to iommu group 7 [ 8.598573][ T1] pci 0000:00:08.0: Adding to iommu group 8 [ 8.603161][ T1] pci 0000:00:1d.0: Adding to iommu group 9 [ 8.623595][ T1] pci 0000:00:1d.1: Adding to iommu group 9 [ 8.628395][ T1] pci 0000:00:1d.2: Adding to iommu group 9 [ 8.643585][ T1] pci 0000:00:1d.7: Adding to iommu group 9 [ 8.648414][ T1] pci 0000:00:1f.0: Adding to iommu group 10 [ 8.663390][ T1] pci 0000:00:1f.2: Adding to iommu group 10 [ 8.667905][ T1] pci 0000:00:1f.3: Adding to iommu group 10 [ 8.803326][ T1] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 8.808798][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.823325][ T1] software IO TLB: mapped [mem 0x000000005b400000-0x000000005f400000] (64MB) [ 8.843458][ T1] ACPI: bus type thunderbolt registered [ 8.865462][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.872586][ T1] no MSR PMU driver. [ 8.909020][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 9.701295][ T1] Initialise system trusted keyrings [ 9.708030][ T1] workingset: timestamp_bits=40 max_order=18 bucket_order=0 [ 9.721484][ T1] DLM installed [ 9.728353][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 9.739808][ T1] NFS: Registering the id_resolver key type [ 9.744856][ T1] Key type id_resolver registered [ 9.748723][ T1] Key type id_legacy registered [ 9.752690][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 9.759060][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 9.775384][ T1] Key type cifs.spnego registered [ 9.779427][ T1] Key type cifs.idmap registered [ 9.785115][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 9.789010][ T1] ntfs3: Read-only LZX/Xpress compression included [ 9.793853][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 9.797943][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 9.805329][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 9.809671][ T1] QNX4 filesystem 0.2.3 registered. [ 9.813919][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 9.819698][ T1] fuse: init (API version 7.45) [ 9.827422][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 9.834409][ T1] orangefs_init: module version upstream loaded [ 9.839626][ T1] JFS: nTxBlock = 6228, nTxLock = 49830 [ 9.850704][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 9.861083][ T1] 9p: Installing v9fs 9p2000 file system support [ 9.866740][ T1] NILFS version 2 loaded [ 9.869648][ T1] befs: version: 0.9.3 [ 9.872993][ T1] ocfs2: Registered cluster interface o2cb [ 9.878662][ T1] ocfs2: Registered cluster interface user [ 9.883505][ T1] OCFS2 User DLM kernel interface loaded [ 9.904710][ T1] gfs2: GFS2 installed [ 9.919596][ T1] ceph: loaded (mds proto 32) [ 9.929250][ T1] cryptd: max_cpu_qlen set to 1000 [ 9.955544][ T1] NET: Registered PF_ALG protocol family [ 9.960104][ T1] xor: automatically using best checksumming function avx [ 9.966457][ T1] async_tx: api initialized (async) [ 9.970329][ T1] Key type asymmetric registered [ 9.974437][ T1] Asymmetric key parser 'x509' registered [ 9.978600][ T1] Asymmetric key parser 'pkcs8' registered [ 9.982550][ T1] Key type pkcs7_test registered [ 9.987582][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 9.994185][ T1] io scheduler mq-deadline registered [ 9.998466][ T1] io scheduler kyber registered [ 10.002386][ T1] io scheduler bfq registered [ 10.050994][ T1] ACPI: \_SB_.GSIE: Enabled at IRQ 20 [ 10.065522][ T1] pcieport 0000:00:04.0: PME: Signaling with IRQ 25 [ 10.075725][ T1] pcieport 0000:00:04.0: AER: enabled with IRQ 26 [ 10.081431][ T138] kworker/u4:0 (138) used greatest stack depth: 26712 bytes left [ 10.097898][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 10.134975][ T1] ACPI: button: Power Button [PWRF] [ 10.534858][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 10.579015][ T1] ACPI: \_SB_.GSIF: Enabled at IRQ 21 [ 10.626314][ T1] ACPI: \_SB_.GSIH: Enabled at IRQ 23 [ 10.684415][ T195] kworker/u4:0 (195) used greatest stack depth: 25992 bytes left [ 10.917526][ T404] kworker/u4:0 (404) used greatest stack depth: 25880 bytes left [ 11.236907][ T1] N_HDLC line discipline registered with maxframe=4096 [ 11.241959][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 11.255186][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 11.312525][ T1] Non-volatile memory driver v1.3 [ 11.329429][ T1] Linux agpgart interface v0.103 [ 11.337620][ T1] usbcore: registered new interface driver xillyusb [ 11.348867][ T1] ACPI: bus type drm_connector registered [ 11.366824][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 11.383204][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 11.521584][ T1] Console: switching to colour frame buffer device 128x48 [ 11.608422][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 11.615149][ T1] usbcore: registered new interface driver udl [ 11.622640][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 11.627932][ T1] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [ 11.635133][ T1] [drm] features: -virgl +edid -resource_blob -host_visible [ 11.635146][ T1] [drm] features: -context_init [ 11.652052][ T1] [drm] number of scanouts: 1 [ 11.652101][ T1] [drm] number of cap sets: 0 [ 11.667217][ T1] [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2 [ 11.705995][ T1] fbcon: virtio_gpudrmfb (fb1) is primary device [ 11.706007][ T1] fbcon: Remapping primary device, fb1, to tty 1-63 [ 291.553587][ T26] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 291.553726][ T26] Not tainted syzkaller #0 [ 291.553734][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.553740][ T26] task:swapper/0 state:D stack:20160 pid:1 tgid:1 ppid:0 task_flags:0x0140 flags:0x00080000 [ 291.553776][ T26] Call Trace: [ 291.553813][ T26] [ 291.553881][ T26] __schedule+0x14ea/0x5050 [ 291.554233][ T26] ? ret_from_fork_asm+0x1a/0x30 [ 291.554421][ T26] ? __pfx___schedule+0x10/0x10 [ 291.554435][ T26] ? schedule+0x90/0x360 [ 291.554447][ T26] schedule+0x164/0x360 [ 291.554464][ T26] schedule_preempt_disabled+0x13/0x30 [ 291.554480][ T26] __ww_mutex_lock+0x11f4/0x2a20 [ 291.554494][ T26] ? __ww_mutex_lock+0xe3b/0x2a20 [ 291.554511][ T26] ? modeset_lock+0x2be/0x640 [ 291.554662][ T26] ? __pfx___ww_mutex_lock+0x10/0x10 [ 291.554669][ T26] ? ret_from_fork_asm+0x1a/0x30 [ 291.554685][ T26] ? modeset_lock+0x2b3/0x640 [ 291.554697][ T26] ww_mutex_lock+0x3f/0x1c0 [ 291.554706][ T26] modeset_lock+0x2be/0x640 [ 291.554744][ T26] drm_atomic_get_plane_state+0x1e5/0x670 [ 291.554758][ T26] drm_client_modeset_commit_atomic+0x227/0x7e0 [ 291.554772][ T26] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 291.554787][ T26] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 291.554797][ T26] ? queue_work_on+0x159/0x1d0 [ 291.554834][ T26] drm_client_modeset_commit_locked+0xcb/0x4d0 [ 291.554845][ T26] drm_fb_helper_pan_display+0x3e7/0xbd0 [ 291.554858][ T26] fb_pan_display+0x39e/0x680 [ 291.554946][ T26] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 291.554956][ T26] bit_update_start+0x4c/0x1e0 [ 291.554967][ T26] fbcon_switch+0x127e/0x2040 [ 291.554982][ T26] ? __pfx_fbcon_switch+0x10/0x10 [ 291.554996][ T26] ? __pfx_hide_cursor+0x10/0x10 [ 291.555014][ T26] ? is_console_locked+0x9/0x20 [ 291.555035][ T26] ? set_origin+0x346/0x480 [ 291.555052][ T26] redraw_screen+0x586/0xec0 [ 291.555070][ T26] ? __pfx_bit_clear_margins+0x10/0x10 [ 291.555085][ T26] ? __pfx_redraw_screen+0x10/0x10 [ 291.555106][ T26] fbcon_prepare_logo+0xa31/0xe00 [ 291.555125][ T26] ? is_console_locked+0x9/0x20 [ 291.555136][ T26] ? con_is_bound+0x15e/0x1f0 [ 291.555152][ T26] set_con2fb_map+0xa32/0xfc0 [ 291.555171][ T26] fbcon_fb_registered+0x24e/0x610 [ 291.555185][ T26] register_framebuffer+0x738/0x8d0 [ 291.555196][ T26] ? __pfx_register_framebuffer+0x10/0x10 [ 291.555208][ T26] ? __drm_fb_helper_initial_config_and_unlock+0x146a/0x1c60 [ 291.555218][ T26] __drm_fb_helper_initial_config_and_unlock+0x14f1/0x1c60 [ 291.555233][ T26] ? __pfx___drm_fb_helper_initial_config_and_unlock+0x10/0x10 [ 291.555245][ T26] ? __pfx___mutex_lock+0x10/0x10 [ 291.555256][ T26] ? drm_file_alloc+0x56c/0x9c0 [ 291.555275][ T26] drm_fbdev_client_hotplug+0x16c/0x230 [ 291.555293][ T26] drm_client_register+0x172/0x210 [ 291.555307][ T26] drm_fbdev_client_setup+0x1a0/0x3f0 [ 291.555321][ T26] ? drm_client_setup+0xb0/0x220 [ 291.555337][ T26] drm_client_setup+0x107/0x220 [ 291.555354][ T26] virtio_gpu_probe+0x23a/0x2a0 [ 291.555371][ T26] virtio_dev_probe+0xd93/0x1050 [ 291.555381][ T26] ? up_write+0x1ab/0x410 [ 291.555392][ T26] ? __pfx_virtio_dev_probe+0x10/0x10 [ 291.555406][ T26] ? driver_sysfs_add+0x1fe/0x210 [ 291.555418][ T26] ? __pfx_virtio_dev_probe+0x10/0x10 [ 291.555427][ T26] really_probe+0x267/0xaf0 [ 291.555436][ T26] __driver_probe_device+0x18c/0x320 [ 291.555448][ T26] driver_probe_device+0x4f/0x240 [ 291.555456][ T26] __driver_attach+0x349/0x640 [ 291.555468][ T26] bus_for_each_dev+0x23b/0x2c0 [ 291.555479][ T26] ? __pfx___driver_attach+0x10/0x10 [ 291.555495][ T26] ? __pfx_bus_for_each_dev+0x10/0x10 [ 291.555510][ T26] ? do_raw_spin_unlock+0x4d/0x210 [ 291.555526][ T26] bus_add_driver+0x345/0x670 [ 291.555544][ T26] driver_register+0x23a/0x320 [ 291.555556][ T26] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 291.555595][ T26] virtio_gpu_driver_init+0x96/0x110 [ 291.555621][ T26] do_one_initcall+0x250/0x840 [ 291.555642][ T26] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 291.555657][ T26] ? __pfx_do_one_initcall+0x10/0x10 [ 291.555667][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.555676][ T26] ? __pfx___schedule+0x10/0x10 [ 291.555692][ T26] ? irqentry_exit+0x59c/0x620 [ 291.555699][ T26] ? lockdep_hardirqs_on+0x7a/0x110 [ 291.555707][ T26] ? irqentry_exit+0x59c/0x620 [ 291.555723][ T26] ? parameq+0xc0/0x170 [ 291.555739][ T26] ? next_arg+0x498/0x5e0 [ 291.555751][ T26] ? parameq+0x14d/0x170 [ 291.555768][ T26] ? parse_args+0x9fc/0xb00 [ 291.555796][ T26] ? rcu_is_watching+0x15/0xb0 [ 291.555812][ T26] do_initcall_level+0x104/0x190 [ 291.555840][ T26] ? kernel_init+0x1d/0x1d0 [ 291.555849][ T26] do_initcalls+0x59/0xa0 [ 291.555857][ T26] kernel_init_freeable+0x2a6/0x3d0 [ 291.555866][ T26] ? __pfx_kernel_init+0x10/0x10 [ 291.555876][ T26] kernel_init+0x1d/0x1d0 [ 291.555884][ T26] ? __pfx_kernel_init+0x10/0x10 [ 291.555893][ T26] ret_from_fork+0x51b/0xa40 [ 291.555907][ T26] ? __pfx_ret_from_fork+0x10/0x10 [ 291.555918][ T26] ? __switch_to+0xc82/0x1410 [ 291.555931][ T26] ? __pfx_kernel_init+0x10/0x10 [ 291.555940][ T26] ret_from_fork_asm+0x1a/0x30 [ 291.555956][ T26] [ 291.555964][ T26] INFO: task kworker/0:1:10 blocked for more than 143 seconds. [ 291.555971][ T26] Not tainted syzkaller #0 [ 291.555975][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.555979][ T26] task:kworker/0:1 state:D stack:24984 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 291.556017][ T26] Workqueue: events drm_fb_helper_damage_work [ 291.556043][ T26] Call Trace: [ 291.556048][ T26] [ 291.556056][ T26] __schedule+0x14ea/0x5050 [ 291.556087][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.556102][ T26] ? __pfx___schedule+0x10/0x10 [ 291.556123][ T26] ? schedule+0x90/0x360 [ 291.556142][ T26] schedule+0x164/0x360 [ 291.556157][ T26] virtio_gpu_queue_fenced_ctrl_buffer+0x760/0x1090 [ 291.556173][ T26] ? __pfx_virtio_gpu_queue_fenced_ctrl_buffer+0x10/0x10 [ 291.556184][ T26] ? __pfx_autoremove_wake_function+0x10/0x10 [ 291.556198][ T26] ? rcu_is_watching+0x15/0xb0 [ 291.556208][ T26] ? __asan_memset+0x22/0x50 [ 291.556281][ T26] virtio_gpu_primary_plane_update+0xcff/0x13a0 [ 291.556298][ T26] ? __pfx___drm_dev_dbg+0x10/0x10 [ 291.556311][ T26] ? __pfx_virtio_gpu_primary_plane_update+0x10/0x10 [ 291.556323][ T26] drm_atomic_helper_commit_planes+0x60f/0xec0 [ 291.556341][ T26] drm_atomic_helper_commit_tail+0x5f/0x500 [ 291.556353][ T26] ? ktime_get+0x1d2/0x200 [ 291.556364][ T26] commit_tail+0x29a/0x3a0 [ 291.556374][ T26] drm_atomic_helper_commit+0xa6e/0xb10 [ 291.556387][ T26] ? __pfx_drm_atomic_helper_commit+0x10/0x10 [ 291.556398][ T26] drm_atomic_commit+0x246/0x2b0 [ 291.556408][ T26] ? __pfx_drm_atomic_commit+0x10/0x10 [ 291.556416][ T26] ? __pfx___drm_printfn_info+0x10/0x10 [ 291.556427][ T26] ? ww_mutex_lock+0x3f/0x1c0 [ 291.556436][ T26] ? drm_modeset_unlock+0x38/0x100 [ 291.556448][ T26] drm_atomic_helper_dirtyfb+0xdec/0xf80 [ 291.556462][ T26] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 291.556477][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.556495][ T26] drm_fbdev_shmem_helper_fb_dirty+0x160/0x2d0 [ 291.556513][ T26] drm_fb_helper_damage_work+0x2b3/0x750 [ 291.556535][ T26] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 291.556555][ T26] ? process_scheduled_works+0xa0f/0x17a0 [ 291.556570][ T26] ? process_scheduled_works+0xa0f/0x17a0 [ 291.556587][ T26] process_scheduled_works+0xaec/0x17a0 [ 291.556620][ T26] ? __pfx_process_scheduled_works+0x10/0x10 [ 291.556633][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.556642][ T26] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 291.556650][ T26] ? schedule+0x90/0x360 [ 291.556663][ T26] worker_thread+0xda6/0x1360 [ 291.556683][ T26] ? __kthread_parkme+0x19c/0x1f0 [ 291.556698][ T26] kthread+0x726/0x8b0 [ 291.556714][ T26] ? __pfx_worker_thread+0x10/0x10 [ 291.556729][ T26] ? __pfx_kthread+0x10/0x10 [ 291.556744][ T26] ? _raw_spin_unlock_irq+0x23/0x50 [ 291.556760][ T26] ? __pfx_kthread+0x10/0x10 [ 291.556773][ T26] ret_from_fork+0x51b/0xa40 [ 291.556782][ T26] ? __pfx_ret_from_fork+0x10/0x10 [ 291.556793][ T26] ? __switch_to+0xc82/0x1410 [ 291.556804][ T26] ? __pfx_kthread+0x10/0x10 [ 291.556813][ T26] ret_from_fork_asm+0x1a/0x30 [ 291.556829][ T26] [ 291.556970][ T26] INFO: task kworker/0:2:55 blocked for more than 143 seconds. [ 291.556979][ T26] Not tainted syzkaller #0 [ 291.556985][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.556991][ T26] task:kworker/0:2 state:D stack:27448 pid:55 tgid:55 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 291.557074][ T26] Workqueue: events virtio_gpu_dequeue_ctrl_func [ 291.557086][ T26] Call Trace: [ 291.557088][ T26] [ 291.557093][ T26] __schedule+0x14ea/0x5050 [ 291.557120][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.557132][ T26] ? wq_worker_sleeping+0xfe/0x250 [ 291.557145][ T26] ? __pfx___schedule+0x10/0x10 [ 291.557167][ T26] ? schedule+0x90/0x360 [ 291.557186][ T26] schedule+0x164/0x360 [ 291.557200][ T26] schedule_preempt_disabled+0x13/0x30 [ 291.557211][ T26] __mutex_lock+0x7fe/0x1300 [ 291.557221][ T26] ? __mutex_lock+0x5ac/0x1300 [ 291.557230][ T26] ? drm_client_dev_hotplug+0xdc/0x4f0 [ 291.557240][ T26] ? __pfx___mutex_lock+0x10/0x10 [ 291.557252][ T26] ? drm_sysfs_hotplug_event+0x10e/0x150 [ 291.557263][ T26] drm_client_dev_hotplug+0xdc/0x4f0 [ 291.557271][ T26] ? __pfx_virtio_gpu_cmd_get_display_info_cb+0x10/0x10 [ 291.557284][ T26] virtio_gpu_dequeue_ctrl_func+0x506/0x8c0 [ 291.557296][ T26] ? __pfx_virtio_gpu_dequeue_ctrl_func+0x10/0x10 [ 291.557308][ T26] ? process_scheduled_works+0xa0f/0x17a0 [ 291.557319][ T26] ? process_scheduled_works+0xa0f/0x17a0 [ 291.557330][ T26] process_scheduled_works+0xaec/0x17a0 [ 291.557361][ T26] ? __pfx_process_scheduled_works+0x10/0x10 [ 291.557376][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.557390][ T26] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 291.557402][ T26] ? schedule+0x90/0x360 [ 291.557423][ T26] worker_thread+0xda6/0x1360 [ 291.557448][ T26] ? __kthread_parkme+0x19c/0x1f0 [ 291.557463][ T26] kthread+0x726/0x8b0 [ 291.557474][ T26] ? __pfx_worker_thread+0x10/0x10 [ 291.557485][ T26] ? __pfx_kthread+0x10/0x10 [ 291.557494][ T26] ? _raw_spin_unlock_irq+0x23/0x50 [ 291.557508][ T26] ? __pfx_kthread+0x10/0x10 [ 291.557520][ T26] ret_from_fork+0x51b/0xa40 [ 291.557533][ T26] ? __pfx_ret_from_fork+0x10/0x10 [ 291.557549][ T26] ? __switch_to+0xc82/0x1410 [ 291.557567][ T26] ? __pfx_kthread+0x10/0x10 [ 291.557576][ T26] ret_from_fork_asm+0x1a/0x30 [ 291.557592][ T26] [ 291.557660][ T26] [ 291.557660][ T26] Showing all locks held in the system: [ 291.557668][ T26] 9 locks held by swapper/0/1: [ 291.557691][ T26] #0: ffff8880008a3170 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x33e/0x640 [ 291.557825][ T26] #1: ffff88801c8b0270 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_register+0x4f/0x210 [ 291.557855][ T26] #2: ffffffff8ed41708 (registration_lock){+.+.}-{4:4}, at: register_framebuffer+0x8d/0x8d0 [ 291.557885][ T26] #3: ffffffff8e54c760 (console_lock){+.+.}-{0:0}, at: fbcon_fb_registered+0x49/0x610 [ 291.557916][ T26] #4: ffff8880345f5280 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_pan_display+0xbe/0xbd0 [ 291.557945][ T26] #5: ffff88801c8b0128 (&dev->master_mutex){+.+.}-{4:4}, at: drm_master_internal_acquire+0x20/0x80 [ 291.557969][ T26] #6: ffff8880345f5098 (&client->modeset_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_locked+0x4c/0x4d0 [ 291.557995][ T26] #7: ffffc90000136a70 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 [ 291.558031][ T26] #8: ffffc90000136a98 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 [ 291.558065][ T26] 5 locks held by kworker/0:1/10: [ 291.558071][ T26] #0: ffff88801a867548 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 [ 291.558094][ T26] #1: ffffc900001c7bc0 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 [ 291.558116][ T26] #2: ffffc900001c7810 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_atomic_helper_dirtyfb+0x106/0xf80 [ 291.558138][ T26] #3: ffffc900001c7838 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_atomic_helper_dirtyfb+0x106/0xf80 [ 291.558159][ T26] #4: ffffffff8ee45378 (drm_unplug_srcu){.+.+}-{0:0}, at: drm_dev_enter+0x49/0x150 [ 291.558179][ T26] 2 locks held by kworker/u4:0/12: [ 291.558185][ T26] #0: ffff88801a879148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 [ 291.558218][ T26] #1: ffffc900001e7bc0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 [ 291.558253][ T26] 1 lock held by khungtaskd/26: [ 291.558260][ T26] #0: ffffffff8e55a360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 291.558294][ T26] 3 locks held by kworker/0:2/55: [ 291.558300][ T26] #0: ffff88801a867548 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9d4/0x17a0 [ 291.558333][ T26] #1: ffffc9000101fbc0 ((work_completion)(&vgvq->dequeue_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa0f/0x17a0 [ 291.558367][ T26] #2: ffff88801c8b0270 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_dev_hotplug+0xdc/0x4f0 [ 291.558399][ T26] [ 291.558422][ T26] ============================================= [ 291.558422][ T26] [ 291.558458][ T26] Kernel panic - not syncing: hung_task: blocked tasks [ 291.558507][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 291.558520][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 291.558527][ T26] Call Trace: [ 291.558533][ T26] [ 291.558536][ T26] vpanic+0x1e0/0x670 [ 291.558547][ T26] panic+0xc5/0xd0 [ 291.558556][ T26] ? __pfx_panic+0x10/0x10 [ 291.558571][ T26] watchdog+0xfda/0xfe0 [ 291.558586][ T26] ? watchdog+0x209/0xfe0 [ 291.558599][ T26] kthread+0x726/0x8b0 [ 291.558612][ T26] ? __pfx_watchdog+0x10/0x10 [ 291.558624][ T26] ? __pfx_kthread+0x10/0x10 [ 291.558638][ T26] ? _raw_spin_unlock_irq+0x23/0x50 [ 291.558653][ T26] ? __pfx_kthread+0x10/0x10 [ 291.558666][ T26] ret_from_fork+0x51b/0xa40 [ 291.558676][ T26] ? __pfx_ret_from_fork+0x10/0x10 [ 291.558686][ T26] ? __switch_to+0xc82/0x1410 [ 291.558696][ T26] ? __pfx_kthread+0x10/0x10 [ 291.558704][ T26] ret_from_fork_asm+0x1a/0x30 [ 291.558723][ T26] [ 291.559070][ T26] Kernel Offset: disabled