failed to run ["ssh" "-p" "4056" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255 Connection timed out during banner exchange Connection to 127.0.0.1 port 4056 timed out ftruncate: 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] 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 0x0000000000100000-0x000000005ffdcfff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000005ffdd000-0x000000005fffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x0000000060000000-0x00000000afffffff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000c0000000-0x00000000fed1bfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000fed20000-0x00000000feffbfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000ff000000-0x00000000fffbffff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] device 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 [ 0.000014][ T0] kvm-clock: using sched offset of 2485863330 cycles [ 0.007348][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.039949][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000 [ 0.045698][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.056394][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.077049][ T0] found SMP MP-table at [mem 0x000f5430-0x000f543f] [ 0.084393][ T0] Using GB pages for direct mapping [ 0.093141][ T0] ACPI: Early table checksum verification disabled [ 0.098921][ T0] ACPI: RSDP 0x00000000000F5270 000014 (v00 BOCHS ) [ 0.105082][ T0] ACPI: RSDT 0x000000005FFE25D7 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.114723][ T0] ACPI: FACP 0x000000005FFE189E 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.126291][ T0] ACPI: DSDT 0x000000005FFDF040 00285E (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.136123][ T0] ACPI: FACS 0x000000005FFDF000 000040 [ 0.142777][ T0] ACPI: APIC 0x000000005FFE1992 000078 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.152944][ T0] ACPI: HPET 0x000000005FFE1A0A 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.164974][ T0] ACPI: SRAT 0x000000005FFE1A42 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.176390][ T0] ACPI: MCFG 0x000000005FFE1B22 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.184970][ T0] ACPI: DMAR 0x000000005FFE1B5E 0000D0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.193961][ T0] ACPI: SSDT 0x000000005FFE1C2E 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.202957][ T0] ACPI: NFIT 0x000000005FFE24CF 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.211394][ T0] ACPI: WAET 0x000000005FFE25AF 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.220151][ T0] ACPI: Reserving FACP table memory at [mem 0x5ffe189e-0x5ffe1991] [ 0.227183][ T0] ACPI: Reserving DSDT table memory at [mem 0x5ffdf040-0x5ffe189d] [ 0.234531][ T0] ACPI: Reserving FACS table memory at [mem 0x5ffdf000-0x5ffdf03f] [ 0.241841][ T0] ACPI: Reserving APIC table memory at [mem 0x5ffe1992-0x5ffe1a09] [ 0.249114][ T0] ACPI: Reserving HPET table memory at [mem 0x5ffe1a0a-0x5ffe1a41] [ 0.256412][ T0] ACPI: Reserving SRAT table memory at [mem 0x5ffe1a42-0x5ffe1b21] [ 0.263626][ T0] ACPI: Reserving MCFG table memory at [mem 0x5ffe1b22-0x5ffe1b5d] [ 0.271103][ T0] ACPI: Reserving DMAR table memory at [mem 0x5ffe1b5e-0x5ffe1c2d] [ 0.278487][ T0] ACPI: Reserving SSDT table memory at [mem 0x5ffe1c2e-0x5ffe24ce] [ 0.285779][ T0] ACPI: Reserving NFIT table memory at [mem 0x5ffe24cf-0x5ffe25ae] [ 0.293094][ T0] ACPI: Reserving WAET table memory at [mem 0x5ffe25af-0x5ffe25d6] [ 0.300807][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.307278][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x5fffffff] [ 0.313810][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.321888][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x59fffffff] hotplug [ 0.329043][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x5ffdcfff] -> [mem 0x00001000-0x5ffdcfff] [ 0.339650][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000030000fff] (768MB) [ 0.347200][ T0] Faking node 1 at [mem 0x0000000030001000-0x000000005ffdcfff] (767MB) [ 0.355144][ T0] NODE_DATA(0) allocated [mem 0x2fffb400-0x30000fff] [ 0.362774][ T0] NODE_DATA(1) allocated [mem 0x5ffd6400-0x5ffdbfff] [ 0.491426][ T0] KernelAddressSanitizer initialized (generic) [ 0.505488][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.509913][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.517733][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.524690][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.531226][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.538026][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.544886][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.551947][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.563236][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.569879][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.575824][ T0] TSC deadline timer available [ 0.580200][ T0] CPU topo: Max. logical packages: 1 [ 0.585151][ T0] CPU topo: Max. logical nodes: 1 [ 0.590442][ T0] CPU topo: Num. nodes per package: 1 [ 0.595895][ T0] CPU topo: Max. logical dies: 1 [ 0.600764][ T0] CPU topo: Max. dies per package: 1 [ 0.605784][ T0] CPU topo: Max. threads per core: 1 [ 0.610828][ T0] CPU topo: Num. cores per package: 1 [ 0.616140][ T0] CPU topo: Num. threads per package: 1 [ 0.621235][ T0] CPU topo: Allowing 1 present CPUs plus 0 hotplug CPUs [ 0.628080][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.635583][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.643364][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.651441][ T0] [gap 0x60000000-0xafffffff] available for PCI devices [ 0.657658][ T0] Booting paravirtualized kernel on KVM [ 0.662675][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.771046][ T0] Zone ranges: [ 0.774628][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.783540][ T0] DMA32 [mem 0x0000000001000000-0x000000005ffdcfff] [ 0.790130][ T0] Normal empty [ 0.793506][ T0] Device empty [ 0.796843][ T0] Movable zone start for each node [ 0.801570][ T0] Early memory node ranges [ 0.805943][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.812343][ T0] node 0: [mem 0x0000000000100000-0x0000000030000fff] [ 0.819292][ T0] node 1: [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.826212][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000030000fff] [ 0.833813][ T0] Initmem setup node 1 [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.841408][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.847951][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.882582][ T0] On node 1, zone DMA32: 35 pages in unavailable ranges [ 0.889417][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:2 [ 0.898768][ T0] percpu: Embedded 71 pages/cpu s250248 r8192 d32376 u2097152 [ 0.906546][ T0] kvm-guest: PV spinlocks disabled, single CPU [ 0.912891][ 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 \ [ 1.000845][ 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 [ 1.022653][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 1.031741][ T0] random: crng init done [ 1.035791][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 1.044143][ T0] software IO TLB: area num 1. [ 1.118948][ T0] Fallback order for Node 0: 0 1 [ 1.118984][ T0] Fallback order for Node 1: 1 0 [ 1.119002][ T0] Built 2 zonelists, mobility grouping on. Total pages: 393083 [ 1.132128][ T0] Policy zone: DMA32 [ 1.136431][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 1.141785][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 1.147828][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.163107][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.295903][ T0] ********************************************************** [ 1.301509][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.307465][ T0] ** ** [ 1.312872][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.318664][ T0] ** via the console, logs, and other interfaces. This ** [ 1.324275][ T0] ** might reduce the security of your system. ** [ 1.329967][ T0] ** ** [ 1.335804][ T0] ** If you see this message and you are not debugging ** [ 1.341360][ T0] ** the kernel, report this immediately to your system ** [ 1.347220][ T0] ** administrator! ** [ 1.352686][ T0] ** ** [ 1.358394][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.364139][ T0] ** ** [ 1.369596][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.375209][ T0] ********************************************************** [ 1.384438][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=2 [ 1.422710][ T0] allocated 31457280 bytes of page_ext [ 1.426764][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.438472][ T0] Node 0, zone DMA32: page owner found early allocated 4596 pages [ 1.447900][ T0] Node 1, zone DMA32: page owner found early allocated 3207 pages [ 1.456784][ T0] Dynamic Preempt: full [ 1.461992][ T0] Running RCU self tests [ 1.465018][ T0] Running RCU synchronous self tests [ 1.469070][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.474088][ T0] rcu: RCU lockdep checking is enabled. [ 1.478106][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1. [ 1.483526][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.489326][ T0] rcu: RCU debug extended QS entry/exit. [ 1.493404][ T0] All grace periods are expedited (rcu_expedited). [ 1.498279][ T0] Trampoline variant of Tasks RCU enabled. [ 1.502985][ T0] Tracing variant of Tasks RCU enabled. [ 1.507137][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.513619][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 1.519402][ T0] Running RCU synchronous self tests [ 1.523537][ T0] RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. [ 1.668263][ T0] NR_IRQS: 4352, nr_irqs: 256, preallocated irqs: 16 [ 1.673321][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.678581][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88805b200000-0xffff88805b400000 [ 1.712926][ T0] Console: colour VGA+ 80x25 [ 1.716125][ T0] printk: legacy console [ttyS0] enabled [ 1.716125][ T0] printk: legacy console [ttyS0] enabled [ 1.722780][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.722780][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.730911][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.737095][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.740616][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.743985][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.747748][ T0] ... CLASSHASH_SIZE: 4096 [ 1.751533][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.755617][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.759340][ T0] ... CHAINHASH_SIZE: 524288 [ 1.762931][ T0] memory used by lock dependency info: 106625 kB [ 1.768446][ T0] memory used for stack traces: 8320 kB [ 1.772429][ T0] per task-struct memory footprint: 1920 bytes [ 1.777149][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.786244][ T0] ACPI: Core revision 20251212 [ 1.791314][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.799156][ T0] APIC: Switch to symmetric I/O mode setup [ 1.803550][ T0] DMAR: Host address width 48 [ 1.806615][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.811378][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c222f0606 ecap f00f5e [ 1.818242][ T0] DMAR: ATSR flags: 0x1 [ 1.821033][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0 [ 1.825560][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 1.836480][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 1.840697][ T0] x2apic enabled [ 1.844067][ T0] APIC: Switched APIC routing to: cluster x2apic [ 1.865866][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 1.871265][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980) [ 1.882106][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.887735][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.891269][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.895897][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.901263][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.911266][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.915585][ T0] RETBleed: Mitigation: Enhanced IBRS [ 1.919372][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.921258][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.926517][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.931259][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.941257][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.949931][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.957197][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.961317][ T0] active return thunk: its_return_thunk [ 1.965496][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.971564][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.981265][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.986974][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.991268][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.996551][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 2.001265][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 2.006258][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.011256][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 2.015926][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 2.021259][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 2.025658][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 2.385085][ T0] Freeing SMP alternatives memory: 136K [ 2.388810][ T0] pid_max: default: 32768 minimum: 301 [ 2.392250][ T0] landlock: Up and running. [ 2.394905][ T0] Yama: becoming mindful. [ 2.397671][ T0] TOMOYO Linux initialized [ 2.402045][ T0] AppArmor: AppArmor initialized [ 2.406489][ T0] LSM support for eBPF active [ 2.411873][ T0] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.418217][ T0] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 2.421459][ T0] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, vmalloc) [ 2.426856][ T0] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, vmalloc) [ 2.433179][ T0] VFS: Finished mounting rootfs on nullfs [ 2.445609][ T0] Running RCU synchronous self tests [ 2.449322][ T0] Running RCU synchronous self tests [ 2.571605][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 2.589990][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only. [ 2.591478][ T1] signal: max sigframe size: 3632 [ 2.595331][ T1] rcu: Hierarchical SRCU implementation. [ 2.601255][ T1] rcu: Max phase no-delay instances is 1000. [ 2.654335][ T1] smp: Bringing up secondary CPUs ... [ 2.658050][ T1] smp: Brought up 2 nodes, 1 CPU [ 2.661106][ T1] smpboot: Total of 1 processors activated (5599.99 BogoMIPS) [ 2.662404][ T1] Memory: 752420K/1572332K available (175414K kernel code, 29953K rwdata, 40556K rodata, 26684K init, 120768K bss, 777364K reserved, 0K cma-reserved) [ 2.675429][ T1] devtmpfs: initialized [ 2.682499][ T1] x86/mm: Memory block size: 128MB [ 2.712515][ T1] Running RCU synchronous self tests [ 2.715881][ T1] Running RCU synchronous self tests [ 2.719644][ T1] Running RCU Tasks wait API self tests [ 2.831456][ T1] Running RCU Tasks Trace wait API self tests [ 2.841030][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.841659][ T1] posixtimers hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 2.851790][ T1] futex hash table entries: 128 (16384 bytes on 2 NUMA nodes, total 32 KiB, linear). [ 2.868091][ T1] PM: RTC time: 11:58:26, date: 2026-03-27 [ 2.871376][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.889457][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.904207][ T1] audit: initializing netlink subsys (disabled) [ 2.909868][ T24] audit: type=2000 audit(1774612707.239:1): state=initialized audit_enabled=0 res=1 [ 2.922186][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.922425][ T1] cpuidle: using governor menu [ 2.931828][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.945578][ T1] dca service started, version 1.12.1 [ 2.950270][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff] [ 2.951435][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry [ 3.088898][ T1] PCI: Using configuration type 1 for base access [ 3.121342][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.126868][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.141270][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.146732][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.183398][ T23] Callback from call_rcu_tasks() invoked. [ 3.195391][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 3.200014][ T1] raid6: using avx512x2 recovery algorithm [ 3.213771][ T1] ACPI: Added _OSI(Module Device) [ 3.217639][ T1] ACPI: Added _OSI(Processor Device) [ 3.231262][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.639138][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.676950][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.699448][ T1] ACPI: Interpreter enabled [ 3.711759][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.715661][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.731525][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.738617][ T1] PCI: Using E820 reservations for host bridge windows [ 3.758320][ T1] ACPI: Enabled 4 GPEs in block 00 to 3F [ 4.371704][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.376911][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 4.396961][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR] [ 4.431694][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability] [ 4.441198][ T1] PCI host bridge to bus 0000:00 [ 4.451444][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.458217][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.471292][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.477279][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.491295][ T1] pci_bus 0000:00: root bus resource [mem 0x60000000-0xafffffff window] [ 4.497880][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.511283][ T1] pci_bus 0000:00: root bus resource [mem 0x5c0000000-0xdbfffffff window] [ 4.516935][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.531963][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint [ 4.554883][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 4.575003][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfc000000-0xfc7fffff pref] [ 4.579236][ T1] pci 0000:00:01.0: BAR 2 [mem 0xfca00000-0xfca03fff 64bit pref] [ 4.591328][ T1] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 4.595389][ T1] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref] [ 4.600054][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.611262][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x310 took 19531 usecs [ 4.632645][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint [ 4.653683][ T1] pci 0000:00:02.0: BAR 0 [mem 0xfea80000-0xfea9ffff] [ 4.657600][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfeaa0000-0xfeabffff] [ 4.671423][ T1] pci 0000:00:02.0: BAR 2 [io 0xc080-0xc09f] [ 4.675820][ T1] pci 0000:00:02.0: BAR 3 [mem 0xfeaf0000-0xfeaf3fff] [ 4.680815][ T1] pci 0000:00:02.0: ROM [mem 0xfea00000-0xfea3ffff pref] [ 4.691687][ T1] pci 0000:00:02.0: enabling Extended Tags [ 4.722574][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.745116][ T1] pci 0000:00:03.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.749740][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfeaf5000-0xfeaf5fff] [ 4.761536][ T1] pci 0000:00:03.0: BAR 4 [mem 0xfca04000-0xfca07fff 64bit pref] [ 4.786060][ T1] pci 0000:00:04.0: [8086:3420] type 01 class 0x060400 PCIe Root Port [ 4.804746][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 4.809114][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 4.822428][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 4.828174][ T1] pci 0000:00:04.0: enabling Extended Tags [ 4.850169][ T1] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint [ 4.866657][ T1] pci 0000:00:05.0: BAR 0 [io 0xc0c0-0xc0df] [ 4.870581][ T1] pci 0000:00:05.0: BAR 1 [mem 0xfeaf6000-0xfeaf6fff] [ 4.881507][ T1] pci 0000:00:05.0: BAR 4 [mem 0xfca08000-0xfca0bfff 64bit pref] [ 4.904533][ T1] pci 0000:00:06.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 4.924683][ T1] pci 0000:00:06.0: BAR 0 [mem 0xfeac0000-0xfeadffff] [ 4.929693][ T1] pci 0000:00:06.0: BAR 1 [io 0xc000-0xc03f] [ 4.941616][ T1] pci 0000:00:06.0: ROM [mem 0xfea40000-0xfea7ffff pref] [ 4.964316][ T1] pci 0000:00:07.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 4.990084][ T1] pci 0000:00:07.0: BAR 0 [mem 0xfeaf7000-0xfeaf70ff] [ 5.001380][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfeaf8000-0xfeaf8fff] [ 5.007236][ T1] pci 0000:00:07.0: BAR 2 [mem 0xfca0c000-0xfca0cfff 64bit pref] [ 5.030707][ T1] pci 0000:00:08.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 5.047767][ T1] pci 0000:00:08.0: BAR 0 [mem 0xfeaf9000-0xfeaf90ff] [ 5.061499][ T1] pci 0000:00:08.0: BAR 2 [mem 0xfa000000-0xfbffffff 64bit pref] [ 5.086783][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 conventional PCI endpoint [ 5.105540][ T1] pci 0000:00:1d.0: BAR 4 [io 0xc0e0-0xc0ff] [ 5.125833][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 conventional PCI endpoint [ 5.145024][ T1] pci 0000:00:1d.1: BAR 4 [io 0xc100-0xc11f] [ 5.166218][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 conventional PCI endpoint [ 5.185204][ T1] pci 0000:00:1d.2: BAR 4 [io 0xc120-0xc13f] [ 5.205889][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 conventional PCI endpoint [ 5.224824][ T1] pci 0000:00:1d.7: BAR 0 [mem 0xfeafa000-0xfeafafff] [ 5.247052][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint [ 5.264778][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 5.281468][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x390 took 19531 usecs [ 5.303233][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint [ 5.325220][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc140-0xc15f] [ 5.330265][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfeafb000-0xfeafbfff] [ 5.348132][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint [ 5.364952][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f] [ 5.387485][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 5.461759][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 5.471038][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 5.485277][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 5.504274][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 5.523036][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10 [ 5.541440][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10 [ 5.561595][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11 [ 5.570428][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11 [ 5.582504][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16 [ 5.587292][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17 [ 5.601809][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18 [ 5.606942][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19 [ 5.621881][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20 [ 5.627056][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21 [ 5.641814][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22 [ 5.647163][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23 [ 5.701912][ T1] iommu: Default domain type: Translated [ 5.705430][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 5.725174][ T1] SCSI subsystem initialized [ 5.730064][ T1] ACPI: bus type USB registered [ 5.741984][ T1] usbcore: registered new interface driver usbfs [ 5.746072][ T1] usbcore: registered new interface driver hub [ 5.749743][ T1] usbcore: registered new device driver usb [ 5.762941][ T1] mc: Linux media interface: v0.10 [ 5.766261][ T1] videodev: Linux video capture interface: v2.00 [ 5.770858][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.781259][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.787114][ T1] PTP clock support registered [ 5.801982][ T1] EDAC MC: Ver: 3.0.0 [ 5.822655][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.841753][ T1] Bluetooth: Core ver 2.22 [ 5.844982][ T1] NET: Registered PF_BLUETOOTH protocol family [ 5.848862][ T1] Bluetooth: HCI device and connection manager initialized [ 5.861340][ T1] Bluetooth: HCI socket layer initialized [ 5.864876][ T1] Bluetooth: L2CAP socket layer initialized [ 5.868856][ T1] Bluetooth: SCO socket layer initialized [ 5.881339][ T1] NET: Registered PF_ATMPVC protocol family [ 5.885032][ T1] NET: Registered PF_ATMSVC protocol family [ 5.889502][ T1] NetLabel: Initializing [ 5.901258][ T1] NetLabel: domain hash size = 128 [ 5.904307][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.908909][ T1] NetLabel: unlabeled traffic allowed by default [ 5.922671][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.926346][ T1] NET: Registered PF_NFC protocol family [ 5.929979][ T1] mctp: management component transport protocol core [ 5.941373][ T1] NET: Registered PF_MCTP protocol family [ 5.945547][ T1] PCI: Using ACPI for IRQ routing [ 6.806074][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 6.821994][ T1] e820: register RAM buffer resource [mem 0x5ffdd000-0x5fffffff] [ 6.841739][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 6.845909][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 6.849609][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 6.861272][ T1] vgaarb: loaded [ 6.866699][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 6.870075][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 6.894005][ T1] clocksource: Switched to clocksource kvm-clock [ 6.907492][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.910379][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.937555][ T1] netfs: FS-Cache loaded [ 6.943721][ T1] CacheFiles: Loaded [ 6.947558][ T1] TOMOYO: 2.6.0 [ 6.949738][ T1] Mandatory Access Control activated. [ 6.966424][ T1] AppArmor: AppArmor Filesystem Enabled [ 6.969680][ T1] acpi PNP0C01:00: Reserved [mem 0xb0000000-0xbfffffff] [ 6.983527][ T1] pnp: PnP ACPI init [ 7.024579][ T1] pnp: PnP ACPI: found 5 devices [ 7.110681][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.134050][ T1] NET: Registered PF_INET protocol family [ 7.138368][ T1] IP idents hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 7.160110][ T1] tcp_listen_portaddr_hash hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 7.173443][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 7.179004][ T1] TCP established hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 7.193963][ T1] TCP bind hash table entries: 8192 (order: 9, 1179648 bytes, vmalloc) [ 7.199617][ T1] TCP: Hash tables configured (established 8192 bind 8192) [ 7.214224][ T1] MPTCP token hash table entries: 1024 (order: 5, 90112 bytes, vmalloc) [ 7.219234][ T1] UDP hash table entries: 512 (order: 5, 131072 bytes, vmalloc) [ 7.233446][ T1] UDP-Lite hash table entries: 512 (order: 5, 131072 bytes, vmalloc) [ 7.239251][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 7.266714][ T1] RPC: Registered named UNIX socket transport module. [ 7.272099][ T1] RPC: Registered udp transport module. [ 7.287379][ T1] RPC: Registered tcp transport module. [ 7.291111][ T1] RPC: Registered tcp-with-tls transport module. [ 7.303212][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 7.323513][ T1] NET: Registered PF_XDP protocol family [ 7.327206][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000 [ 7.332302][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]: assigned [ 7.353283][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 7.357101][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff] [ 7.373288][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 7.380132][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 7.396755][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 7.401748][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 7.423212][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 7.428864][ T1] pci_bus 0000:00: resource 7 [mem 0x60000000-0xafffffff window] [ 7.443203][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 7.448704][ T1] pci_bus 0000:00: resource 9 [mem 0x5c0000000-0xdbfffffff window] [ 7.473190][ T1] pci_bus 0000:01: resource 0 [io 0x1000-0x1fff] [ 7.477860][ T1] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff] [ 7.493210][ T1] pci_bus 0000:01: resource 2 [mem 0xfc800000-0xfc9fffff 64bit pref] [ 7.561221][ T1] ACPI: \_SB_.GSIA: Enabled at IRQ 16 [ 7.635925][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1830 took 131852 usecs [ 7.703110][ T1] ACPI: \_SB_.GSIB: Enabled at IRQ 17 [ 7.784818][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1830 took 139042 usecs [ 7.852478][ T1] ACPI: \_SB_.GSIC: Enabled at IRQ 18 [ 7.936136][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1830 took 141789 usecs [ 8.016059][ T1] ACPI: \_SB_.GSID: Enabled at IRQ 19 [ 8.082390][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1830 took 136477 usecs [ 8.103611][ T1] PCI: CLS 0 bytes, default 64 [ 8.112699][ T1] DMAR: No RMRR found [ 8.123247][ T1] DMAR: No SATC found [ 8.126288][ T1] DMAR: dmar0: Using Queued invalidation [ 8.133774][ T52] kworker/u4:0 (52) used greatest stack depth: 27240 bytes left [ 8.144089][ T1] pci 0000:00:00.0: Adding to iommu group 0 [ 8.148560][ T1] pci 0000:00:01.0: Adding to iommu group 1 [ 8.153081][ T1] pci 0000:00:02.0: Adding to iommu group 2 [ 8.183612][ T1] pci 0000:00:03.0: Adding to iommu group 3 [ 8.188094][ T1] pci 0000:00:04.0: Adding to iommu group 4 [ 8.192913][ T1] pci 0000:00:05.0: Adding to iommu group 5 [ 8.203723][ T1] pci 0000:00:06.0: Adding to iommu group 6 [ 8.208277][ T1] pci 0000:00:07.0: Adding to iommu group 7 [ 8.223444][ T1] pci 0000:00:08.0: Adding to iommu group 8 [ 8.228418][ T1] pci 0000:00:1d.0: Adding to iommu group 9 [ 8.232949][ T1] pci 0000:00:1d.1: Adding to iommu group 9 [ 8.253450][ T1] pci 0000:00:1d.2: Adding to iommu group 9 [ 8.258452][ T1] pci 0000:00:1d.7: Adding to iommu group 9 [ 8.273843][ T1] pci 0000:00:1f.0: Adding to iommu group 10 [ 8.278477][ T1] pci 0000:00:1f.2: Adding to iommu group 10 [ 8.293465][ T1] pci 0000:00:1f.3: Adding to iommu group 10 [ 8.423398][ T1] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 8.429026][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.453206][ T1] software IO TLB: mapped [mem 0x000000005b400000-0x000000005f400000] (64MB) [ 8.459783][ T1] ACPI: bus type thunderbolt registered [ 8.480318][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.503484][ T1] no MSR PMU driver. [ 8.530129][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 8.547863][ T59] kworker/u4:2 (59) used greatest stack depth: 26808 bytes left [ 8.577538][ T1] Initialise system trusted keyrings [ 8.594117][ T1] workingset: timestamp_bits=40 max_order=18 bucket_order=0 [ 8.616823][ T1] DLM installed [ 8.634516][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.660436][ T1] NFS: Registering the id_resolver key type [ 8.673627][ T1] Key type id_resolver registered [ 8.677609][ T1] Key type id_legacy registered [ 8.681895][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.703540][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 8.743482][ T1] Key type cifs.spnego registered [ 8.747263][ T1] Key type cifs.idmap registered [ 8.774582][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 8.778207][ T1] ntfs3: Read-only LZX/Xpress compression included [ 8.803711][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 8.808251][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 8.826981][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 8.831041][ T1] QNX4 filesystem 0.2.3 registered. [ 8.843399][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 8.853998][ T1] fuse: init (API version 7.45) [ 8.865942][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 8.871084][ T1] orangefs_init: module version upstream loaded [ 8.884255][ T1] JFS: nTxBlock = 6210, nTxLock = 49685 [ 8.904225][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.924643][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.929542][ T1] NILFS version 2 loaded [ 8.932208][ T1] befs: version: 0.9.3 [ 8.944222][ T1] ocfs2: Registered cluster interface o2cb [ 8.953934][ T1] ocfs2: Registered cluster interface user [ 8.963298][ T1] OCFS2 User DLM kernel interface loaded [ 9.005900][ T1] gfs2: GFS2 installed [ 9.029675][ T1] ceph: loaded (mds proto 32) [ 9.058670][ T1] cryptd: max_cpu_qlen set to 1000 [ 9.099570][ T1] NET: Registered PF_ALG protocol family [ 9.113370][ T1] xor: automatically using best checksumming function avx [ 9.118733][ T1] async_tx: api initialized (async) [ 9.122136][ T1] Key type asymmetric registered [ 9.133282][ T1] Asymmetric key parser 'x509' registered [ 9.137035][ T1] Asymmetric key parser 'pkcs8' registered [ 9.141503][ T1] Key type pkcs7_test registered [ 9.163758][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 9.171085][ T1] io scheduler mq-deadline registered [ 9.183280][ T1] io scheduler kyber registered [ 9.186290][ T1] io scheduler bfq registered [ 9.249485][ T1] ACPI: \_SB_.GSIE: Enabled at IRQ 20 [ 9.274514][ T1] pcieport 0000:00:04.0: PME: Signaling with IRQ 25 [ 9.294610][ T1] pcieport 0000:00:04.0: AER: enabled with IRQ 26 [ 9.314561][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 9.321688][ T1] ACPI: button: Power Button [PWRF] [ 9.879989][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 9.976609][ T1] ACPI: \_SB_.GSIF: Enabled at IRQ 21 [ 10.055247][ T1] ACPI: \_SB_.GSIH: Enabled at IRQ 23 [ 10.152190][ T202] kworker/u4:3 (202) used greatest stack depth: 26624 bytes left [ 10.631056][ T1] N_HDLC line discipline registered with maxframe=4096 [ 10.637443][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 10.647930][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 10.692949][ T1] Non-volatile memory driver v1.3 [ 10.704376][ T1] Linux agpgart interface v0.103 [ 10.711156][ T1] usbcore: registered new interface driver xillyusb [ 10.721016][ T1] ACPI: bus type drm_connector registered [ 10.731119][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 10.741523][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 10.863955][ T1] Console: switching to colour frame buffer device 128x48 [ 10.951279][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 10.956568][ T1] usbcore: registered new interface driver udl [ 10.961599][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 10.966158][ T1] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [ 10.971389][ T1] [drm] features: -virgl +edid -resource_blob -host_visible [ 10.971397][ T1] [drm] features: -context_init [ 10.984841][ T1] [drm] number of scanouts: 1 [ 10.984889][ T1] [drm] number of cap sets: 0 [ 10.997357][ T1] [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2 [ 11.042325][ T1] fbcon: virtio_gpudrmfb (fb1) is primary device [ 11.042354][ T1] fbcon: Remapping primary device, fb1, to tty 1-63 [ 291.573456][ T25] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 291.573621][ T25] Not tainted syzkaller #0 [ 291.573630][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.573637][ T25] task:swapper/0 state:D stack:20040 pid:1 tgid:1 ppid:0 task_flags:0x0140 flags:0x00080000 [ 291.573692][ T25] Call Trace: [ 291.573732][ T25] [ 291.573742][ T25] __schedule+0x15dd/0x52d0 [ 291.573985][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 291.574010][ T25] ? __pfx___schedule+0x10/0x10 [ 291.574031][ T25] ? schedule+0x90/0x360 [ 291.574048][ T25] schedule+0x164/0x360 [ 291.574065][ T25] schedule_preempt_disabled+0x13/0x30 [ 291.574078][ T25] __ww_mutex_lock+0x11f4/0x2a20 [ 291.574097][ T25] ? __ww_mutex_lock+0xe3b/0x2a20 [ 291.574118][ T25] ? modeset_lock+0x2be/0x640 [ 291.574179][ T25] ? __pfx___ww_mutex_lock+0x10/0x10 [ 291.574195][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 291.574227][ T25] ? modeset_lock+0x2b3/0x640 [ 291.574246][ T25] ww_mutex_lock+0x3f/0x1c0 [ 291.574266][ T25] modeset_lock+0x2be/0x640 [ 291.574345][ T25] drm_atomic_get_plane_state+0x1e5/0x670 [ 291.574382][ T25] drm_client_modeset_commit_atomic+0x227/0x7e0 [ 291.574398][ T25] ? trace_contention_end+0x3d/0x150 [ 291.574418][ T25] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 291.574447][ T25] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 291.574467][ T25] ? queue_work_on+0x159/0x1d0 [ 291.574488][ T25] drm_client_modeset_commit_locked+0xcb/0x4d0 [ 291.574506][ T25] drm_fb_helper_pan_display+0x3e7/0xbd0 [ 291.574535][ T25] fb_pan_display+0x39e/0x680 [ 291.574551][ T25] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 291.574575][ T25] bit_update_start+0x4c/0x1e0 [ 291.574593][ T25] fbcon_switch+0x127e/0x2040 [ 291.574622][ T25] ? __pfx_fbcon_switch+0x10/0x10 [ 291.574647][ T25] ? __pfx_hide_cursor+0x10/0x10 [ 291.574667][ T25] ? is_console_locked+0x9/0x20 [ 291.574679][ T25] ? set_origin+0x346/0x480 [ 291.574693][ T25] redraw_screen+0x586/0xec0 [ 291.574711][ T25] ? __pfx_bit_clear_margins+0x10/0x10 [ 291.574725][ T25] ? __pfx_redraw_screen+0x10/0x10 [ 291.574743][ T25] fbcon_prepare_logo+0xa31/0xe00 [ 291.574760][ T25] ? is_console_locked+0x9/0x20 [ 291.574770][ T25] ? con_is_bound+0x15e/0x1f0 [ 291.574786][ T25] set_con2fb_map+0xa32/0xfc0 [ 291.574810][ T25] fbcon_fb_registered+0x24e/0x610 [ 291.574830][ T25] register_framebuffer+0x738/0x8d0 [ 291.574844][ T25] ? __pfx_register_framebuffer+0x10/0x10 [ 291.574859][ T25] ? __drm_fb_helper_initial_config_and_unlock+0x146a/0x1b90 [ 291.574883][ T25] __drm_fb_helper_initial_config_and_unlock+0x14f1/0x1b90 [ 291.574913][ T25] ? __pfx___drm_fb_helper_initial_config_and_unlock+0x10/0x10 [ 291.574932][ T25] ? __pfx___mutex_lock+0x10/0x10 [ 291.574955][ T25] drm_fbdev_client_hotplug+0x16c/0x230 [ 291.574973][ T25] drm_client_register+0x172/0x210 [ 291.574994][ T25] drm_fbdev_client_setup+0x1a0/0x3f0 [ 291.575004][ T25] ? drm_client_setup+0xb0/0x220 [ 291.575014][ T25] drm_client_setup+0x107/0x220 [ 291.575024][ T25] virtio_gpu_probe+0x23a/0x2a0 [ 291.575053][ T25] virtio_dev_probe+0xd93/0x1050 [ 291.575062][ T25] ? up_write+0x1ab/0x410 [ 291.575074][ T25] ? __pfx_virtio_dev_probe+0x10/0x10 [ 291.575094][ T25] ? driver_sysfs_add+0x1fe/0x210 [ 291.575110][ T25] ? __pfx_virtio_dev_probe+0x10/0x10 [ 291.575122][ T25] really_probe+0x267/0xaf0 [ 291.575140][ T25] __driver_probe_device+0x18c/0x320 [ 291.575157][ T25] driver_probe_device+0x4f/0x240 [ 291.575171][ T25] __driver_attach+0x34c/0x640 [ 291.575186][ T25] bus_for_each_dev+0x23b/0x2c0 [ 291.575205][ T25] ? __pfx___driver_attach+0x10/0x10 [ 291.575219][ T25] ? __pfx_bus_for_each_dev+0x10/0x10 [ 291.575239][ T25] ? do_raw_spin_unlock+0x4d/0x210 [ 291.575255][ T25] bus_add_driver+0x345/0x670 [ 291.575270][ T25] driver_register+0x23a/0x320 [ 291.575281][ T25] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 291.575296][ T25] virtio_gpu_driver_init+0x96/0x110 [ 291.575362][ T25] do_one_initcall+0x250/0x8d0 [ 291.575453][ T25] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 291.575473][ T25] ? __pfx_do_one_initcall+0x10/0x10 [ 291.575490][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.575509][ T25] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 291.575524][ T25] ? irqentry_exit+0x59e/0x620 [ 291.575538][ T25] ? lockdep_hardirqs_on+0x7a/0x110 [ 291.575551][ T25] ? irqentry_exit+0x59e/0x620 [ 291.575562][ T25] ? trace_irq_disable+0x3b/0x150 [ 291.575584][ T25] ? strlen+0x2e/0x70 [ 291.575600][ T25] ? next_arg+0x498/0x5e0 [ 291.575614][ T25] ? parameq+0x14d/0x170 [ 291.575630][ T25] ? parse_args+0x9fc/0xb00 [ 291.575652][ T25] ? trace_kmalloc+0x2a/0x110 [ 291.575672][ T25] ? rcu_is_watching+0x15/0xb0 [ 291.575692][ T25] do_initcall_level+0x104/0x190 [ 291.575707][ T25] ? kernel_init+0x1d/0x1d0 [ 291.575724][ T25] do_initcalls+0x59/0xa0 [ 291.575739][ T25] kernel_init_freeable+0x2a6/0x3e0 [ 291.575753][ T25] ? __pfx_kernel_init+0x10/0x10 [ 291.575769][ T25] kernel_init+0x1d/0x1d0 [ 291.575783][ T25] ? __pfx_kernel_init+0x10/0x10 [ 291.575797][ T25] ret_from_fork+0x51e/0xb90 [ 291.575836][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 291.575850][ T25] ? __switch_to+0xc7d/0x1450 [ 291.575868][ T25] ? __pfx_kernel_init+0x10/0x10 [ 291.575885][ T25] ret_from_fork_asm+0x1a/0x30 [ 291.575911][ T25] [ 291.575947][ T25] INFO: task kworker/0:0:9 blocked for more than 143 seconds. [ 291.575957][ T25] Not tainted syzkaller #0 [ 291.575962][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.575968][ T25] task:kworker/0:0 state:D stack:27336 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 291.576012][ T25] Workqueue: events virtio_gpu_dequeue_ctrl_func [ 291.576050][ T25] Call Trace: [ 291.576054][ T25] [ 291.576061][ T25] __schedule+0x15dd/0x52d0 [ 291.576087][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.576101][ T25] ? __pfx___schedule+0x10/0x10 [ 291.576118][ T25] ? schedule+0x90/0x360 [ 291.576132][ T25] schedule+0x164/0x360 [ 291.576143][ T25] schedule_preempt_disabled+0x13/0x30 [ 291.576151][ T25] __mutex_lock+0x7fe/0x1300 [ 291.576162][ T25] ? __mutex_lock+0x5ac/0x1300 [ 291.576173][ T25] ? drm_client_dev_hotplug+0xdc/0x4f0 [ 291.576182][ T25] ? __pfx___mutex_lock+0x10/0x10 [ 291.576200][ T25] ? drm_sysfs_hotplug_event+0x10e/0x150 [ 291.576214][ T25] drm_client_dev_hotplug+0xdc/0x4f0 [ 291.576227][ T25] ? __pfx_virtio_gpu_cmd_get_display_info_cb+0x10/0x10 [ 291.576242][ T25] virtio_gpu_dequeue_ctrl_func+0x506/0x8c0 [ 291.576262][ T25] ? __pfx_virtio_gpu_dequeue_ctrl_func+0x10/0x10 [ 291.576285][ T25] ? process_scheduled_works+0xa8d/0x18c0 [ 291.576301][ T25] ? process_scheduled_works+0xa8d/0x18c0 [ 291.576315][ T25] process_scheduled_works+0xb6e/0x18c0 [ 291.576374][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 291.576395][ T25] ? assign_work+0x3d5/0x5e0 [ 291.576413][ T25] worker_thread+0xa53/0xfc0 [ 291.576446][ T25] kthread+0x388/0x470 [ 291.576461][ T25] ? __pfx_worker_thread+0x10/0x10 [ 291.576476][ T25] ? __pfx_kthread+0x10/0x10 [ 291.576489][ T25] ret_from_fork+0x51e/0xb90 [ 291.576540][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 291.576554][ T25] ? __switch_to+0xc7d/0x1450 [ 291.576571][ T25] ? __pfx_kthread+0x10/0x10 [ 291.576584][ T25] ret_from_fork_asm+0x1a/0x30 [ 291.576609][ T25] [ 291.576615][ T25] INFO: task kworker/0:1:10 blocked for more than 143 seconds. [ 291.576624][ T25] Not tainted syzkaller #0 [ 291.576629][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.576634][ T25] task:kworker/0:1 state:D stack:26208 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 291.576672][ T25] Workqueue: events drm_fb_helper_damage_work [ 291.576689][ T25] Call Trace: [ 291.576693][ T25] [ 291.576700][ T25] __schedule+0x15dd/0x52d0 [ 291.576722][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.576736][ T25] ? __pfx___schedule+0x10/0x10 [ 291.576752][ T25] ? schedule+0x90/0x360 [ 291.576766][ T25] schedule+0x164/0x360 [ 291.576780][ T25] virtio_gpu_queue_fenced_ctrl_buffer+0x760/0x1090 [ 291.576799][ T25] ? __pfx_virtio_gpu_queue_fenced_ctrl_buffer+0x10/0x10 [ 291.576813][ T25] ? __pfx_autoremove_wake_function+0x10/0x10 [ 291.576831][ T25] ? rcu_is_watching+0x15/0xb0 [ 291.576849][ T25] ? virtio_gpu_cmd_resource_flush+0x7c/0x330 [ 291.576866][ T25] ? __asan_memset+0x22/0x50 [ 291.576889][ T25] virtio_gpu_primary_plane_update+0xcff/0x13a0 [ 291.576910][ T25] ? __pfx___drm_dev_dbg+0x10/0x10 [ 291.576929][ T25] ? __pfx_virtio_gpu_primary_plane_update+0x10/0x10 [ 291.576950][ T25] drm_atomic_helper_commit_planes+0x60f/0xec0 [ 291.576977][ T25] drm_atomic_helper_commit_tail+0x5f/0x500 [ 291.576995][ T25] ? ktime_get+0x1d2/0x200 [ 291.577009][ T25] commit_tail+0x29a/0x3a0 [ 291.577030][ T25] drm_atomic_helper_commit+0xa6e/0xb10 [ 291.577050][ T25] ? __pfx_drm_atomic_helper_commit+0x10/0x10 [ 291.577065][ T25] drm_atomic_commit+0x246/0x2b0 [ 291.577078][ T25] ? __pfx_drm_atomic_commit+0x10/0x10 [ 291.577089][ T25] ? __pfx___drm_printfn_info+0x10/0x10 [ 291.577108][ T25] ? ww_mutex_lock+0x3f/0x1c0 [ 291.577124][ T25] ? drm_modeset_unlock+0x38/0x100 [ 291.577142][ T25] drm_atomic_helper_dirtyfb+0xdec/0xf80 [ 291.577165][ T25] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 291.577189][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.577209][ T25] drm_fbdev_shmem_helper_fb_dirty+0x160/0x2d0 [ 291.577226][ T25] drm_fb_helper_damage_work+0x2b3/0x750 [ 291.577250][ T25] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 291.577268][ T25] ? process_scheduled_works+0xa8d/0x18c0 [ 291.577282][ T25] ? process_scheduled_works+0xa8d/0x18c0 [ 291.577299][ T25] process_scheduled_works+0xb6e/0x18c0 [ 291.577333][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 291.577361][ T25] ? assign_work+0x3d5/0x5e0 [ 291.577378][ T25] worker_thread+0xa53/0xfc0 [ 291.577409][ T25] kthread+0x388/0x470 [ 291.577422][ T25] ? __pfx_worker_thread+0x10/0x10 [ 291.577436][ T25] ? __pfx_kthread+0x10/0x10 [ 291.577449][ T25] ret_from_fork+0x51e/0xb90 [ 291.577467][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 291.577481][ T25] ? __switch_to+0xc7d/0x1450 [ 291.577498][ T25] ? __pfx_kthread+0x10/0x10 [ 291.577511][ T25] ret_from_fork_asm+0x1a/0x30 [ 291.577541][ T25] [ 291.578151][ T25] [ 291.578151][ T25] Showing all locks held in the system: [ 291.578163][ T25] 9 locks held by swapper/0/1: [ 291.578171][ T25] #0: ffff888032da21b8 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x341/0x640 [ 291.578254][ T25] #1: ffff88801f7f6278 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_register+0x4f/0x210 [ 291.578287][ T25] #2: ffffffff8ef5dc28 (registration_lock){+.+.}-{4:4}, at: register_framebuffer+0x8d/0x8d0 [ 291.578307][ T25] #3: ffffffff8e750a00 (console_lock){+.+.}-{0:0}, at: fbcon_fb_registered+0x49/0x610 [ 291.578364][ T25] #4: ffff8880352a7a80 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_pan_display+0xbe/0xbd0 [ 291.578399][ T25] #5: ffff88801f7f6130 (&dev->master_mutex){+.+.}-{4:4}, at: drm_master_internal_acquire+0x20/0x80 [ 291.578433][ T25] #6: ffff8880352a7898 (&client->modeset_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_locked+0x4c/0x4d0 [ 291.578461][ T25] #7: ffffc900001aea70 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 [ 291.578492][ T25] #8: ffffc900001aea98 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 [ 291.578523][ T25] 3 locks held by kworker/0:0/9: [ 291.578529][ T25] #0: ffff88801aca6948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 291.578562][ T25] #1: ffffc9000022fc40 ((work_completion)(&vgvq->dequeue_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 291.578613][ T25] #2: ffff88801f7f6278 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_dev_hotplug+0xdc/0x4f0 [ 291.578643][ T25] 5 locks held by kworker/0:1/10: [ 291.578649][ T25] #0: ffff88801aca6948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 291.578678][ T25] #1: ffffc9000023fc40 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 291.578711][ T25] #2: ffffc9000023f870 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_atomic_helper_dirtyfb+0x106/0xf80 [ 291.578744][ T25] #3: ffffc9000023f898 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_atomic_helper_dirtyfb+0x106/0xf80 [ 291.578777][ T25] #4: ffffffff8f062b18 (drm_unplug_srcu){.+.+}-{0:0}, at: drm_dev_enter+0x49/0x150 [ 291.578805][ T25] 1 lock held by khungtaskd/25: [ 291.578812][ T25] #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 291.578865][ T25] 2 locks held by kworker/u4:3/42: [ 291.578872][ T25] #0: ffff88801ac94148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 291.578908][ T25] #1: ffffc90000447c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 291.579048][ T25] [ 291.579054][ T25] ============================================= [ 291.579054][ T25] [ 291.579062][ T25] Kernel panic - not syncing: hung_task: blocked tasks [ 291.579073][ T25] CPU: 0 UID: 0 PID: 25 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 291.579086][ T25] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 291.579093][ T25] Call Trace: [ 291.579151][ T25] [ 291.579156][ T25] vpanic+0x56c/0xa60 [ 291.579170][ T25] ? __pfx_vprintk_emit+0x10/0x10 [ 291.579182][ T25] ? __pfx_vpanic+0x10/0x10 [ 291.579201][ T25] panic+0xc5/0xd0 [ 291.579216][ T25] ? __pfx_panic+0x10/0x10 [ 291.579240][ T25] watchdog+0x1023/0x1030 [ 291.579270][ T25] ? watchdog+0x21a/0x1030 [ 291.579285][ T25] kthread+0x388/0x470 [ 291.579298][ T25] ? __pfx_watchdog+0x10/0x10 [ 291.579308][ T25] ? __pfx_kthread+0x10/0x10 [ 291.579320][ T25] ret_from_fork+0x51e/0xb90 [ 291.579332][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 291.579341][ T25] ? __switch_to+0xc7d/0x1450 [ 291.579356][ T25] ? __pfx_kthread+0x10/0x10 [ 291.579367][ T25] ret_from_fork_asm+0x1a/0x30 [ 291.579391][ T25] [ 291.579718][ T25] Kernel Offset: disabled