failed to run ["ssh" "-p" "64649" "-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 64649 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 [ 0.000007][ T0] kvm-clock: using sched offset of 2874099031 cycles [ 0.004958][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.026714][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000 [ 0.032362][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.039847][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.051872][ T0] found SMP MP-table at [mem 0x000f5430-0x000f543f] [ 0.057115][ T0] Using GB pages for direct mapping [ 0.063531][ T0] ACPI: Early table checksum verification disabled [ 0.068918][ T0] ACPI: RSDP 0x00000000000F5270 000014 (v00 BOCHS ) [ 0.074758][ T0] ACPI: RSDT 0x000000005FFE25D7 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.082631][ T0] ACPI: FACP 0x000000005FFE189E 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.090418][ T0] ACPI: DSDT 0x000000005FFDF040 00285E (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.098545][ T0] ACPI: FACS 0x000000005FFDF000 000040 [ 0.102994][ T0] ACPI: APIC 0x000000005FFE1992 000078 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.110715][ T0] ACPI: HPET 0x000000005FFE1A0A 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.118490][ T0] ACPI: SRAT 0x000000005FFE1A42 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.126230][ T0] ACPI: MCFG 0x000000005FFE1B22 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.133903][ T0] ACPI: DMAR 0x000000005FFE1B5E 0000D0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.142034][ T0] ACPI: SSDT 0x000000005FFE1C2E 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.149821][ T0] ACPI: NFIT 0x000000005FFE24CF 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.157751][ T0] ACPI: WAET 0x000000005FFE25AF 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.165795][ T0] ACPI: Reserving FACP table memory at [mem 0x5ffe189e-0x5ffe1991] [ 0.172187][ T0] ACPI: Reserving DSDT table memory at [mem 0x5ffdf040-0x5ffe189d] [ 0.178957][ T0] ACPI: Reserving FACS table memory at [mem 0x5ffdf000-0x5ffdf03f] [ 0.185406][ T0] ACPI: Reserving APIC table memory at [mem 0x5ffe1992-0x5ffe1a09] [ 0.192069][ T0] ACPI: Reserving HPET table memory at [mem 0x5ffe1a0a-0x5ffe1a41] [ 0.198279][ T0] ACPI: Reserving SRAT table memory at [mem 0x5ffe1a42-0x5ffe1b21] [ 0.204783][ T0] ACPI: Reserving MCFG table memory at [mem 0x5ffe1b22-0x5ffe1b5d] [ 0.211504][ T0] ACPI: Reserving DMAR table memory at [mem 0x5ffe1b5e-0x5ffe1c2d] [ 0.217990][ T0] ACPI: Reserving SSDT table memory at [mem 0x5ffe1c2e-0x5ffe24ce] [ 0.224523][ T0] ACPI: Reserving NFIT table memory at [mem 0x5ffe24cf-0x5ffe25ae] [ 0.231012][ T0] ACPI: Reserving WAET table memory at [mem 0x5ffe25af-0x5ffe25d6] [ 0.238068][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.243591][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x5fffffff] [ 0.249145][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.255703][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x59fffffff] hotplug [ 0.262253][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x5ffdcfff] -> [mem 0x00001000-0x5ffdcfff] [ 0.271696][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000030000fff] (768MB) [ 0.278882][ T0] Faking node 1 at [mem 0x0000000030001000-0x000000005ffdcfff] (767MB) [ 0.285933][ T0] NODE_DATA(0) allocated [mem 0x2fffb400-0x30000fff] [ 0.292487][ T0] NODE_DATA(1) allocated [mem 0x5ffd6400-0x5ffdbfff] [ 0.402295][ T0] KernelAddressSanitizer initialized (generic) [ 0.415175][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.419997][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.428233][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.434767][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.440912][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.447003][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.454363][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.460607][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.467382][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.473662][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.478659][ T0] TSC deadline timer available [ 0.482491][ T0] CPU topo: Max. logical packages: 1 [ 0.487254][ T0] CPU topo: Max. logical nodes: 1 [ 0.491891][ T0] CPU topo: Num. nodes per package: 1 [ 0.496400][ T0] CPU topo: Max. logical dies: 1 [ 0.500745][ T0] CPU topo: Max. dies per package: 1 [ 0.505196][ T0] CPU topo: Max. threads per core: 1 [ 0.509655][ T0] CPU topo: Num. cores per package: 1 [ 0.514227][ T0] CPU topo: Num. threads per package: 1 [ 0.518847][ T0] CPU topo: Allowing 1 present CPUs plus 0 hotplug CPUs [ 0.524720][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.531040][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.537788][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.544377][ T0] [gap 0x60000000-0xafffffff] available for PCI devices [ 0.549952][ T0] Booting paravirtualized kernel on KVM [ 0.554179][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.664017][ T0] Zone ranges: [ 0.666856][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.672686][ T0] DMA32 [mem 0x0000000001000000-0x000000005ffdcfff] [ 0.678427][ T0] Normal empty [ 0.681537][ T0] Device empty [ 0.684775][ T0] Movable zone start for each node [ 0.689035][ T0] Early memory node ranges [ 0.692840][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.698804][ T0] node 0: [mem 0x0000000000100000-0x0000000030000fff] [ 0.704925][ T0] node 1: [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.710879][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000030000fff] [ 0.717521][ T0] Initmem setup node 1 [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.724216][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.730351][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.758644][ T0] On node 1, zone DMA32: 35 pages in unavailable ranges [ 0.765017][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:2 [ 0.772453][ T0] percpu: Embedded 71 pages/cpu s250248 r8192 d32376 u2097152 [ 0.778945][ T0] kvm-guest: PV spinlocks disabled, single CPU [ 0.784205][ 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 \ [ 0.862593][ 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 [ 0.882843][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.891497][ T0] random: crng init done [ 0.895091][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.902288][ T0] software IO TLB: area num 1. [ 0.936676][ T0] Fallback order for Node 0: 0 1 [ 0.936694][ T0] Fallback order for Node 1: 1 0 [ 0.936703][ T0] Built 2 zonelists, mobility grouping on. Total pages: 393083 [ 0.948263][ T0] Policy zone: DMA32 [ 0.951321][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.956479][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.961708][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.973244][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.062384][ T0] ********************************************************** [ 1.067106][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.071759][ T0] ** ** [ 1.076968][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.081542][ T0] ** via the console, logs, and other interfaces. This ** [ 1.086243][ T0] ** might reduce the security of your system. ** [ 1.091306][ T0] ** ** [ 1.096100][ T0] ** If you see this message and you are not debugging ** [ 1.101354][ T0] ** the kernel, report this immediately to your system ** [ 1.106263][ T0] ** administrator! ** [ 1.110921][ T0] ** ** [ 1.116236][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.120768][ T0] ** ** [ 1.125345][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.130183][ T0] ********************************************************** [ 1.139827][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=2 [ 1.201143][ T0] allocated 31457280 bytes of page_ext [ 1.205630][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.217607][ T0] Node 0, zone DMA32: page owner found early allocated 4596 pages [ 1.226398][ T0] Node 1, zone DMA32: page owner found early allocated 3207 pages [ 1.234843][ T0] Dynamic Preempt: full [ 1.239387][ T0] Running RCU self tests [ 1.243206][ T0] Running RCU synchronous self tests [ 1.247435][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.252078][ T0] rcu: RCU lockdep checking is enabled. [ 1.256082][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1. [ 1.261289][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.267486][ T0] rcu: RCU debug extended QS entry/exit. [ 1.271711][ T0] All grace periods are expedited (rcu_expedited). [ 1.276468][ T0] Trampoline variant of Tasks RCU enabled. [ 1.280607][ T0] Tracing variant of Tasks RCU enabled. [ 1.284603][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.291040][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 1.296717][ T0] Running RCU synchronous self tests [ 1.301152][ T0] RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. [ 1.491203][ T0] NR_IRQS: 4352, nr_irqs: 256, preallocated irqs: 16 [ 1.497643][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.504689][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88805b200000-0xffff88805b400000 [ 1.550429][ T0] Console: colour VGA+ 80x25 [ 1.554488][ T0] printk: legacy console [ttyS0] enabled [ 1.554488][ T0] printk: legacy console [ttyS0] enabled [ 1.563146][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.563146][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.573413][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.580810][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.584574][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.588377][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.592827][ T0] ... CLASSHASH_SIZE: 4096 [ 1.597135][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.601230][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.605610][ T0] ... CHAINHASH_SIZE: 524288 [ 1.610450][ T0] memory used by lock dependency info: 106625 kB [ 1.615376][ T0] memory used for stack traces: 8320 kB [ 1.619765][ T0] per task-struct memory footprint: 1920 bytes [ 1.625297][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.634394][ T0] ACPI: Core revision 20251212 [ 1.640784][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.649678][ T0] APIC: Switch to symmetric I/O mode setup [ 1.654612][ T0] DMAR: Host address width 48 [ 1.658198][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.663631][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c222f0606 ecap f00f5e [ 1.670984][ T0] DMAR: ATSR flags: 0x1 [ 1.674216][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0 [ 1.680275][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 1.692222][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 1.696877][ T0] x2apic enabled [ 1.700310][ T0] APIC: Switched APIC routing to: cluster x2apic [ 1.723629][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 1.729776][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980) [ 1.738440][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.740769][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.749764][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.755297][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.759770][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.769768][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.774754][ T0] RETBleed: Mitigation: Enhanced IBRS [ 1.779766][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.784345][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.789765][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.796040][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.799766][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.809783][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.819785][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.826471][ T0] active return thunk: its_return_thunk [ 1.829765][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.835735][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.839765][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.844591][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.849762][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.854278][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 1.859763][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 1.864487][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.869764][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 1.874294][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 1.879763][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 1.884321][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 2.258002][ T0] Freeing SMP alternatives memory: 136K [ 2.259776][ T0] pid_max: default: 32768 minimum: 301 [ 2.265122][ T0] landlock: Up and running. [ 2.269770][ T0] Yama: becoming mindful. [ 2.273190][ T0] TOMOYO Linux initialized [ 2.277530][ T0] AppArmor: AppArmor initialized [ 2.281484][ T0] LSM support for eBPF active [ 2.290007][ T0] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.296979][ T0] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 2.300097][ T0] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, vmalloc) [ 2.306318][ T0] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, vmalloc) [ 2.312179][ T0] VFS: Finished mounting rootfs on nullfs [ 2.324222][ T0] Running RCU synchronous self tests [ 2.329777][ T0] Running RCU synchronous self tests [ 2.450122][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 2.461302][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only. [ 2.468299][ T1] signal: max sigframe size: 3632 [ 2.471368][ T1] rcu: Hierarchical SRCU implementation. [ 2.475080][ T1] rcu: Max phase no-delay instances is 1000. [ 2.533746][ T1] smp: Bringing up secondary CPUs ... [ 2.538068][ T1] smp: Brought up 2 nodes, 1 CPU [ 2.539873][ T1] smpboot: Total of 1 processors activated (5599.99 BogoMIPS) [ 2.547169][ T1] Memory: 752576K/1572332K available (175390K kernel code, 29950K rwdata, 40552K rodata, 26680K init, 120768K bss, 777348K reserved, 0K cma-reserved) [ 2.552294][ T1] devtmpfs: initialized [ 2.557787][ T1] x86/mm: Memory block size: 128MB [ 2.598462][ T1] Running RCU synchronous self tests [ 2.599788][ T1] Running RCU synchronous self tests [ 2.604112][ T1] Running RCU Tasks wait API self tests [ 2.719963][ T1] Running RCU Tasks Trace wait API self tests [ 2.728604][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.730081][ T1] posixtimers hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 2.739932][ T1] futex hash table entries: 128 (16384 bytes on 2 NUMA nodes, total 32 KiB, linear). [ 2.756828][ T1] PM: RTC time: 18:52:53, date: 2026-03-22 [ 2.769884][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.775174][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.790080][ T1] audit: initializing netlink subsys (disabled) [ 2.799801][ T25] audit: type=2000 audit(1774205573.786:1): state=initialized audit_enabled=0 res=1 [ 2.806693][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.806928][ T1] cpuidle: using governor menu [ 2.813956][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.829999][ T1] dca service started, version 1.12.1 [ 2.834504][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff] [ 2.839775][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry [ 2.961251][ T1] PCI: Using configuration type 1 for base access [ 2.991530][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.997092][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.009777][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.015451][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.062356][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 3.067325][ T1] raid6: using avx512x2 recovery algorithm [ 3.069821][ T23] Callback from call_rcu_tasks() invoked. [ 3.092593][ T1] ACPI: Added _OSI(Module Device) [ 3.096243][ T1] ACPI: Added _OSI(Processor Device) [ 3.109777][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.473540][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.542847][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.584996][ T1] ACPI: Interpreter enabled [ 3.588847][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.599812][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.605196][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.619767][ T1] PCI: Using E820 reservations for host bridge windows [ 3.642379][ T1] ACPI: Enabled 4 GPEs in block 00 to 3F [ 4.228576][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.239958][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 4.262788][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR] [ 4.288304][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability] [ 4.302545][ T1] PCI host bridge to bus 0000:00 [ 4.306092][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.320101][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.325791][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.339798][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.345549][ T1] pci_bus 0000:00: root bus resource [mem 0x60000000-0xafffffff window] [ 4.359819][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.366116][ T1] pci_bus 0000:00: root bus resource [mem 0x5c0000000-0xdbfffffff window] [ 4.379804][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.384915][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint [ 4.408984][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 4.428713][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfc000000-0xfc7fffff pref] [ 4.440075][ T1] pci 0000:00:01.0: BAR 2 [mem 0xfca00000-0xfca03fff 64bit pref] [ 4.445865][ T1] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 4.459898][ T1] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref] [ 4.466862][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.480482][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x310 took 19531 usecs [ 4.506818][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint [ 4.527456][ T1] pci 0000:00:02.0: BAR 0 [mem 0xfea80000-0xfea9ffff] [ 4.539851][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfeaa0000-0xfeabffff] [ 4.545494][ T1] pci 0000:00:02.0: BAR 2 [io 0xc080-0xc09f] [ 4.559785][ T1] pci 0000:00:02.0: BAR 3 [mem 0xfeaf0000-0xfeaf3fff] [ 4.564799][ T1] pci 0000:00:02.0: ROM [mem 0xfea00000-0xfea3ffff pref] [ 4.580186][ T1] pci 0000:00:02.0: enabling Extended Tags [ 4.605071][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.625918][ T1] pci 0000:00:03.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.639848][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfeaf5000-0xfeaf5fff] [ 4.645092][ T1] pci 0000:00:03.0: BAR 4 [mem 0xfca04000-0xfca07fff 64bit pref] [ 4.669270][ T1] pci 0000:00:04.0: [8086:3420] type 01 class 0x060400 PCIe Root Port [ 4.684388][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 4.689264][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 4.701466][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 4.708180][ T1] pci 0000:00:04.0: enabling Extended Tags [ 4.729582][ T1] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint [ 4.745317][ T1] pci 0000:00:05.0: BAR 0 [io 0xc0c0-0xc0df] [ 4.759881][ T1] pci 0000:00:05.0: BAR 1 [mem 0xfeaf6000-0xfeaf6fff] [ 4.766147][ T1] pci 0000:00:05.0: BAR 4 [mem 0xfca08000-0xfca0bfff 64bit pref] [ 4.788299][ T1] pci 0000:00:06.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 4.804842][ T1] pci 0000:00:06.0: BAR 0 [mem 0xfeac0000-0xfeadffff] [ 4.819776][ T1] pci 0000:00:06.0: BAR 1 [io 0xc000-0xc03f] [ 4.824636][ T1] pci 0000:00:06.0: ROM [mem 0xfea40000-0xfea7ffff pref] [ 4.845282][ T1] pci 0000:00:07.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 4.868127][ T1] pci 0000:00:07.0: BAR 0 [mem 0xfeaf7000-0xfeaf70ff] [ 4.879926][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfeaf8000-0xfeaf8fff] [ 4.885315][ T1] pci 0000:00:07.0: BAR 2 [mem 0xfca0c000-0xfca0cfff 64bit pref] [ 4.908718][ T1] pci 0000:00:08.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 4.926875][ T1] pci 0000:00:08.0: BAR 0 [mem 0xfeaf9000-0xfeaf90ff] [ 4.940090][ T1] pci 0000:00:08.0: BAR 2 [mem 0xfa000000-0xfbffffff 64bit pref] [ 4.965742][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 conventional PCI endpoint [ 4.983609][ T1] pci 0000:00:1d.0: BAR 4 [io 0xc0e0-0xc0ff] [ 5.003209][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 conventional PCI endpoint [ 5.023659][ T1] pci 0000:00:1d.1: BAR 4 [io 0xc100-0xc11f] [ 5.044235][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 conventional PCI endpoint [ 5.063522][ T1] pci 0000:00:1d.2: BAR 4 [io 0xc120-0xc13f] [ 5.084061][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 conventional PCI endpoint [ 5.103675][ T1] pci 0000:00:1d.7: BAR 0 [mem 0xfeafa000-0xfeafafff] [ 5.124843][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint [ 5.142656][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 5.165172][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint [ 5.184687][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc140-0xc15f] [ 5.189200][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfeafb000-0xfeafbfff] [ 5.207436][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint [ 5.223552][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f] [ 5.246112][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 5.329103][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 5.344937][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 5.364702][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 5.385001][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 5.404619][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10 [ 5.424629][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10 [ 5.444733][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11 [ 5.464548][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11 [ 5.480863][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16 [ 5.486245][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17 [ 5.500550][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18 [ 5.506085][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19 [ 5.520457][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20 [ 5.526125][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21 [ 5.540431][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22 [ 5.545890][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23 [ 5.604486][ T1] iommu: Default domain type: Translated [ 5.608470][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 5.625934][ T1] SCSI subsystem initialized [ 5.641647][ T1] ACPI: bus type USB registered [ 5.645992][ T1] usbcore: registered new interface driver usbfs [ 5.660158][ T1] usbcore: registered new interface driver hub [ 5.664691][ T1] usbcore: registered new device driver usb [ 5.681253][ T1] mc: Linux media interface: v0.10 [ 5.685102][ T1] videodev: Linux video capture interface: v2.00 [ 5.700579][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.704705][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.719881][ T1] PTP clock support registered [ 5.724674][ T1] EDAC MC: Ver: 3.0.0 [ 5.746014][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.766404][ T1] Bluetooth: Core ver 2.22 [ 5.779786][ T1] NET: Registered PF_BLUETOOTH protocol family [ 5.785385][ T1] Bluetooth: HCI device and connection manager initialized [ 5.800305][ T1] Bluetooth: HCI socket layer initialized [ 5.804398][ T1] Bluetooth: L2CAP socket layer initialized [ 5.809028][ T1] Bluetooth: SCO socket layer initialized [ 5.819865][ T1] NET: Registered PF_ATMPVC protocol family [ 5.824168][ T1] NET: Registered PF_ATMSVC protocol family [ 5.828978][ T1] NetLabel: Initializing [ 5.839769][ T1] NetLabel: domain hash size = 128 [ 5.843418][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.848705][ T1] NetLabel: unlabeled traffic allowed by default [ 5.862345][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.866412][ T1] NET: Registered PF_NFC protocol family [ 5.879890][ T1] mctp: management component transport protocol core [ 5.884838][ T1] NET: Registered PF_MCTP protocol family [ 5.889267][ T1] PCI: Using ACPI for IRQ routing [ 6.882683][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 6.889773][ T1] e820: register RAM buffer resource [mem 0x5ffdd000-0x5fffffff] [ 6.910193][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 6.915541][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 6.919755][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 6.929803][ T1] vgaarb: loaded [ 6.938977][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 6.949788][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 6.970542][ T1] clocksource: Switched to clocksource kvm-clock [ 6.987265][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.990822][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.010310][ T1] netfs: FS-Cache loaded [ 7.026238][ T1] CacheFiles: Loaded [ 7.030104][ T1] TOMOYO: 2.6.0 [ 7.032838][ T1] Mandatory Access Control activated. [ 7.050296][ T1] AppArmor: AppArmor Filesystem Enabled [ 7.054675][ T1] acpi PNP0C01:00: Reserved [mem 0xb0000000-0xbfffffff] [ 7.076408][ T1] pnp: PnP ACPI init [ 7.140374][ T1] pnp: PnP ACPI: found 5 devices [ 7.264974][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.287487][ T1] NET: Registered PF_INET protocol family [ 7.292253][ T1] IP idents hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 7.320434][ T1] tcp_listen_portaddr_hash hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 7.346422][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 7.352508][ T1] TCP established hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 7.367155][ T1] TCP bind hash table entries: 8192 (order: 9, 1179648 bytes, vmalloc) [ 7.373458][ T1] TCP: Hash tables configured (established 8192 bind 8192) [ 7.397339][ T1] MPTCP token hash table entries: 1024 (order: 5, 90112 bytes, vmalloc) [ 7.403111][ T1] UDP hash table entries: 512 (order: 5, 131072 bytes, vmalloc) [ 7.416185][ T1] UDP-Lite hash table entries: 512 (order: 5, 131072 bytes, vmalloc) [ 7.422073][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 7.438806][ T1] RPC: Registered named UNIX socket transport module. [ 7.443380][ T1] RPC: Registered udp transport module. [ 7.455870][ T1] RPC: Registered tcp transport module. [ 7.460039][ T1] RPC: Registered tcp-with-tls transport module. [ 7.464857][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 7.488847][ T1] NET: Registered PF_XDP protocol family [ 7.492604][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000 [ 7.515919][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]: assigned [ 7.520797][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 7.524034][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff] [ 7.538032][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 7.543894][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 7.568976][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 7.573423][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 7.585850][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 7.590704][ T1] pci_bus 0000:00: resource 7 [mem 0x60000000-0xafffffff window] [ 7.595420][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 7.635888][ T1] pci_bus 0000:00: resource 9 [mem 0x5c0000000-0xdbfffffff window] [ 7.640892][ T1] pci_bus 0000:01: resource 0 [io 0x1000-0x1fff] [ 7.644796][ T1] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff] [ 7.665874][ T1] pci_bus 0000:01: resource 2 [mem 0xfc800000-0xfc9fffff 64bit pref] [ 7.716279][ T1] ACPI: \_SB_.GSIA: Enabled at IRQ 16 [ 7.760622][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1830 took 81497 usecs [ 7.805214][ T1] ACPI: \_SB_.GSIB: Enabled at IRQ 17 [ 7.868046][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1830 took 100191 usecs [ 7.913107][ T1] ACPI: \_SB_.GSIC: Enabled at IRQ 18 [ 7.967124][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1830 took 91331 usecs [ 8.012664][ T1] ACPI: \_SB_.GSID: Enabled at IRQ 19 [ 8.068767][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1830 took 94511 usecs [ 8.074407][ T1] PCI: CLS 0 bytes, default 64 [ 8.090868][ T1] DMAR: No RMRR found [ 8.093244][ T1] DMAR: No SATC found [ 8.095470][ T1] DMAR: dmar0: Using Queued invalidation [ 8.108941][ T52] kworker/u4:3 (52) used greatest stack depth: 27240 bytes left [ 8.116824][ T1] pci 0000:00:00.0: Adding to iommu group 0 [ 8.120804][ T1] pci 0000:00:01.0: Adding to iommu group 1 [ 8.125400][ T1] pci 0000:00:02.0: Adding to iommu group 2 [ 8.146135][ T1] pci 0000:00:03.0: Adding to iommu group 3 [ 8.149819][ T1] pci 0000:00:04.0: Adding to iommu group 4 [ 8.153936][ T1] pci 0000:00:05.0: Adding to iommu group 5 [ 8.166081][ T1] pci 0000:00:06.0: Adding to iommu group 6 [ 8.169616][ T1] pci 0000:00:07.0: Adding to iommu group 7 [ 8.173110][ T1] pci 0000:00:08.0: Adding to iommu group 8 [ 8.196147][ T1] pci 0000:00:1d.0: Adding to iommu group 9 [ 8.199526][ T1] pci 0000:00:1d.1: Adding to iommu group 9 [ 8.203002][ T1] pci 0000:00:1d.2: Adding to iommu group 9 [ 8.216007][ T1] pci 0000:00:1d.7: Adding to iommu group 9 [ 8.219713][ T1] pci 0000:00:1f.0: Adding to iommu group 10 [ 8.223833][ T1] pci 0000:00:1f.2: Adding to iommu group 10 [ 8.236115][ T1] pci 0000:00:1f.3: Adding to iommu group 10 [ 8.335860][ T1] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 8.340153][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.344889][ T1] software IO TLB: mapped [mem 0x000000005b400000-0x000000005f400000] (64MB) [ 8.366002][ T1] ACPI: bus type thunderbolt registered [ 8.373488][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.386030][ T1] no MSR PMU driver. [ 8.409149][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 8.414726][ T60] kworker/u4:1 (60) used greatest stack depth: 27104 bytes left [ 8.420775][ T61] kworker/u4:1 (61) used greatest stack depth: 26808 bytes left [ 8.439967][ T1] Initialise system trusted keyrings [ 8.457703][ T1] workingset: timestamp_bits=40 max_order=18 bucket_order=0 [ 8.468819][ T1] DLM installed [ 8.487070][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.499115][ T1] NFS: Registering the id_resolver key type [ 8.502610][ T1] Key type id_resolver registered [ 8.505399][ T1] Key type id_legacy registered [ 8.516378][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.521408][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 8.551038][ T1] Key type cifs.spnego registered [ 8.554870][ T1] Key type cifs.idmap registered [ 8.576744][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 8.580089][ T1] ntfs3: Read-only LZX/Xpress compression included [ 8.584057][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 8.596118][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 8.601984][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 8.605285][ T1] QNX4 filesystem 0.2.3 registered. [ 8.626095][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 8.631501][ T1] fuse: init (API version 7.45) [ 8.648196][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 8.653583][ T1] orangefs_init: module version upstream loaded [ 8.666623][ T1] JFS: nTxBlock = 6210, nTxLock = 49686 [ 8.686881][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.707216][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.711716][ T1] NILFS version 2 loaded [ 8.714080][ T1] befs: version: 0.9.3 [ 8.726571][ T1] ocfs2: Registered cluster interface o2cb [ 8.736612][ T1] ocfs2: Registered cluster interface user [ 8.740516][ T1] OCFS2 User DLM kernel interface loaded [ 8.778187][ T1] gfs2: GFS2 installed [ 8.798798][ T1] ceph: loaded (mds proto 32) [ 8.807754][ T1] cryptd: max_cpu_qlen set to 1000 [ 8.835244][ T1] NET: Registered PF_ALG protocol family [ 8.856086][ T1] xor: automatically using best checksumming function avx [ 8.860911][ T1] async_tx: api initialized (async) [ 8.863869][ T1] Key type asymmetric registered [ 8.875911][ T1] Asymmetric key parser 'x509' registered [ 8.879734][ T1] Asymmetric key parser 'pkcs8' registered [ 8.883609][ T1] Key type pkcs7_test registered [ 8.896981][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 8.906317][ T1] io scheduler mq-deadline registered [ 8.909583][ T1] io scheduler kyber registered [ 8.913030][ T1] io scheduler bfq registered [ 8.989962][ T1] ACPI: \_SB_.GSIE: Enabled at IRQ 20 [ 9.019655][ T1] pcieport 0000:00:04.0: PME: Signaling with IRQ 25 [ 9.027559][ T1] pcieport 0000:00:04.0: AER: enabled with IRQ 26 [ 9.048074][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 9.053308][ T1] ACPI: button: Power Button [PWRF] [ 9.628587][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 9.718014][ T1] ACPI: \_SB_.GSIF: Enabled at IRQ 21 [ 9.817166][ T1] ACPI: \_SB_.GSIH: Enabled at IRQ 23 [ 10.128932][ T408] kworker/u4:0 (408) used greatest stack depth: 25816 bytes left [ 10.479622][ T1] N_HDLC line discipline registered with maxframe=4096 [ 10.484424][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 10.496783][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 10.554923][ T1] Non-volatile memory driver v1.3 [ 10.571248][ T1] Linux agpgart interface v0.103 [ 10.579459][ T1] usbcore: registered new interface driver xillyusb [ 10.588948][ T1] ACPI: bus type drm_connector registered [ 10.601410][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 10.618341][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 10.744834][ T1] Console: switching to colour frame buffer device 128x48 [ 10.831223][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 10.837599][ T1] usbcore: registered new interface driver udl [ 10.843035][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 10.847905][ T1] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [ 10.853998][ T1] [drm] features: -virgl +edid -resource_blob -host_visible [ 10.854007][ T1] [drm] features: -context_init [ 10.864839][ T1] [drm] number of scanouts: 1 [ 10.864876][ T1] [drm] number of cap sets: 0 [ 10.879284][ T1] [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2 [ 10.905129][ T1] fbcon: virtio_gpudrmfb (fb1) is primary device [ 10.905141][ T1] fbcon: Remapping primary device, fb1, to tty 1-63 [ 291.436137][ T26] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 291.436342][ T26] Not tainted syzkaller #0 [ 291.436350][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.436361][ T26] task:swapper/0 state:D stack:20200 pid:1 tgid:1 ppid:0 task_flags:0x0140 flags:0x00080000 [ 291.436399][ T26] Call Trace: [ 291.436415][ T26] [ 291.436449][ T26] __schedule+0x15dd/0x52d0 [ 291.436591][ T26] ? ret_from_fork_asm+0x1a/0x30 [ 291.436614][ T26] ? __pfx___schedule+0x10/0x10 [ 291.436632][ T26] ? schedule+0x90/0x360 [ 291.436647][ T26] schedule+0x164/0x360 [ 291.436662][ T26] schedule_preempt_disabled+0x13/0x30 [ 291.436675][ T26] __ww_mutex_lock+0x11f4/0x2a20 [ 291.436693][ T26] ? __ww_mutex_lock+0xe3b/0x2a20 [ 291.436711][ T26] ? modeset_lock+0x2be/0x640 [ 291.436743][ T26] ? __pfx___ww_mutex_lock+0x10/0x10 [ 291.436756][ T26] ? ret_from_fork_asm+0x1a/0x30 [ 291.436786][ T26] ? modeset_lock+0x2b3/0x640 [ 291.436804][ T26] ww_mutex_lock+0x3f/0x1c0 [ 291.436821][ T26] modeset_lock+0x2be/0x640 [ 291.436878][ T26] drm_atomic_get_plane_state+0x1e5/0x670 [ 291.436926][ T26] drm_client_modeset_commit_atomic+0x227/0x7e0 [ 291.436969][ T26] ? trace_contention_end+0x3d/0x150 [ 291.436991][ T26] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 291.437017][ T26] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 291.437034][ T26] ? queue_work_on+0x159/0x1d0 [ 291.437057][ T26] drm_client_modeset_commit_locked+0xcb/0x4d0 [ 291.437074][ T26] drm_fb_helper_pan_display+0x3e7/0xbd0 [ 291.437132][ T26] fb_pan_display+0x39e/0x680 [ 291.437174][ T26] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 291.437196][ T26] bit_update_start+0x4c/0x1e0 [ 291.437214][ T26] fbcon_switch+0x127e/0x2040 [ 291.437237][ T26] ? __pfx_fbcon_switch+0x10/0x10 [ 291.437259][ T26] ? __pfx_hide_cursor+0x10/0x10 [ 291.437277][ T26] ? is_console_locked+0x9/0x20 [ 291.437289][ T26] ? set_origin+0x346/0x480 [ 291.437305][ T26] redraw_screen+0x586/0xec0 [ 291.437365][ T26] ? __pfx_bit_clear_margins+0x10/0x10 [ 291.437380][ T26] ? __pfx_redraw_screen+0x10/0x10 [ 291.437401][ T26] fbcon_prepare_logo+0xa31/0xe00 [ 291.437421][ T26] ? is_console_locked+0x9/0x20 [ 291.437432][ T26] ? con_is_bound+0x15e/0x1f0 [ 291.437450][ T26] set_con2fb_map+0xa32/0xfc0 [ 291.437475][ T26] fbcon_fb_registered+0x24e/0x610 [ 291.437496][ T26] register_framebuffer+0x738/0x8d0 [ 291.437512][ T26] ? __pfx_register_framebuffer+0x10/0x10 [ 291.437531][ T26] ? __drm_fb_helper_initial_config_and_unlock+0x146a/0x1b90 [ 291.437554][ T26] __drm_fb_helper_initial_config_and_unlock+0x14f1/0x1b90 [ 291.437585][ T26] ? __pfx___drm_fb_helper_initial_config_and_unlock+0x10/0x10 [ 291.437606][ T26] ? __pfx___mutex_lock+0x10/0x10 [ 291.437630][ T26] drm_fbdev_client_hotplug+0x16c/0x230 [ 291.437650][ T26] drm_client_register+0x172/0x210 [ 291.437674][ T26] drm_fbdev_client_setup+0x1a0/0x3f0 [ 291.437688][ T26] ? drm_client_setup+0xb0/0x220 [ 291.437705][ T26] drm_client_setup+0x107/0x220 [ 291.437722][ T26] virtio_gpu_probe+0x23a/0x2a0 [ 291.437767][ T26] virtio_dev_probe+0xd93/0x1050 [ 291.437800][ T26] ? up_write+0x1ab/0x410 [ 291.437818][ T26] ? __pfx_virtio_dev_probe+0x10/0x10 [ 291.437840][ T26] ? driver_sysfs_add+0x1fe/0x210 [ 291.437856][ T26] ? __pfx_virtio_dev_probe+0x10/0x10 [ 291.437869][ T26] really_probe+0x267/0xaf0 [ 291.437915][ T26] __driver_probe_device+0x18c/0x320 [ 291.437934][ T26] driver_probe_device+0x4f/0x240 [ 291.437951][ T26] __driver_attach+0x34c/0x640 [ 291.437969][ T26] bus_for_each_dev+0x23b/0x2c0 [ 291.437990][ T26] ? __pfx___driver_attach+0x10/0x10 [ 291.438004][ T26] ? __pfx_bus_for_each_dev+0x10/0x10 [ 291.438024][ T26] ? do_raw_spin_unlock+0x4d/0x210 [ 291.438041][ T26] bus_add_driver+0x345/0x670 [ 291.438066][ T26] driver_register+0x23a/0x320 [ 291.438105][ T26] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 291.438125][ T26] virtio_gpu_driver_init+0x96/0x110 [ 291.438154][ T26] do_one_initcall+0x250/0x8d0 [ 291.438219][ T26] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 291.438236][ T26] ? __pfx_do_one_initcall+0x10/0x10 [ 291.438253][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.438274][ T26] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 291.438299][ T26] ? irqentry_exit+0x59e/0x620 [ 291.438314][ T26] ? lockdep_hardirqs_on+0x7a/0x110 [ 291.438327][ T26] ? irqentry_exit+0x59e/0x620 [ 291.438339][ T26] ? trace_irq_disable+0x3b/0x150 [ 291.438361][ T26] ? parameq+0x14d/0x170 [ 291.438377][ T26] ? next_arg+0x498/0x5e0 [ 291.438392][ T26] ? parameq+0x14d/0x170 [ 291.438408][ T26] ? parse_args+0x9fc/0xb00 [ 291.438434][ T26] ? trace_kmalloc+0x2a/0x110 [ 291.438454][ T26] ? rcu_is_watching+0x15/0xb0 [ 291.438476][ T26] do_initcall_level+0x104/0x190 [ 291.438497][ T26] ? kernel_init+0x1d/0x1d0 [ 291.438514][ T26] do_initcalls+0x59/0xa0 [ 291.438532][ T26] kernel_init_freeable+0x2a6/0x3e0 [ 291.438551][ T26] ? __pfx_kernel_init+0x10/0x10 [ 291.438568][ T26] kernel_init+0x1d/0x1d0 [ 291.438584][ T26] ? __pfx_kernel_init+0x10/0x10 [ 291.438599][ T26] ret_from_fork+0x51e/0xb90 [ 291.438640][ T26] ? __pfx_ret_from_fork+0x10/0x10 [ 291.438655][ T26] ? __switch_to+0xc7d/0x1450 [ 291.438674][ T26] ? __pfx_kernel_init+0x10/0x10 [ 291.438691][ T26] ret_from_fork_asm+0x1a/0x30 [ 291.438721][ T26] [ 291.438735][ T26] INFO: task kworker/0:1:10 blocked for more than 143 seconds. [ 291.438745][ T26] Not tainted syzkaller #0 [ 291.438752][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.438759][ T26] task:kworker/0:1 state:D stack:26120 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 291.438806][ T26] Workqueue: events virtio_gpu_dequeue_ctrl_func [ 291.438829][ T26] Call Trace: [ 291.438834][ T26] [ 291.438841][ T26] __schedule+0x15dd/0x52d0 [ 291.438863][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.438876][ T26] ? __pfx___schedule+0x10/0x10 [ 291.438890][ T26] ? schedule+0x90/0x360 [ 291.438901][ T26] schedule+0x164/0x360 [ 291.438912][ T26] schedule_preempt_disabled+0x13/0x30 [ 291.438925][ T26] __mutex_lock+0x7fe/0x1300 [ 291.438942][ T26] ? __mutex_lock+0x5ac/0x1300 [ 291.438958][ T26] ? drm_client_dev_hotplug+0xdc/0x4f0 [ 291.438979][ T26] ? __pfx___mutex_lock+0x10/0x10 [ 291.439002][ T26] ? drm_sysfs_hotplug_event+0x10e/0x150 [ 291.439024][ T26] drm_client_dev_hotplug+0xdc/0x4f0 [ 291.439043][ T26] ? __pfx_virtio_gpu_cmd_get_display_info_cb+0x10/0x10 [ 291.439059][ T26] virtio_gpu_dequeue_ctrl_func+0x506/0x8c0 [ 291.439082][ T26] ? __pfx_virtio_gpu_dequeue_ctrl_func+0x10/0x10 [ 291.439111][ T26] ? process_scheduled_works+0xa8d/0x18c0 [ 291.439128][ T26] ? process_scheduled_works+0xa8d/0x18c0 [ 291.439145][ T26] process_scheduled_works+0xb6e/0x18c0 [ 291.439197][ T26] ? __pfx_process_scheduled_works+0x10/0x10 [ 291.439253][ T26] ? assign_work+0x3d5/0x5e0 [ 291.439272][ T26] worker_thread+0xa53/0xfc0 [ 291.439307][ T26] kthread+0x388/0x470 [ 291.439322][ T26] ? __pfx_worker_thread+0x10/0x10 [ 291.439337][ T26] ? __pfx_kthread+0x10/0x10 [ 291.439350][ T26] ret_from_fork+0x51e/0xb90 [ 291.439367][ T26] ? __pfx_ret_from_fork+0x10/0x10 [ 291.439382][ T26] ? __switch_to+0xc7d/0x1450 [ 291.439399][ T26] ? __pfx_kthread+0x10/0x10 [ 291.439411][ T26] ret_from_fork_asm+0x1a/0x30 [ 291.439435][ T26] [ 291.439460][ T26] INFO: task kworker/0:2:53 blocked for more than 143 seconds. [ 291.439467][ T26] Not tainted syzkaller #0 [ 291.439472][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.439477][ T26] task:kworker/0:2 state:D stack:24584 pid:53 tgid:53 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 291.439510][ T26] Workqueue: events drm_fb_helper_damage_work [ 291.439524][ T26] Call Trace: [ 291.439528][ T26] [ 291.439534][ T26] __schedule+0x15dd/0x52d0 [ 291.439555][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.439566][ T26] ? __pfx___schedule+0x10/0x10 [ 291.439580][ T26] ? schedule+0x90/0x360 [ 291.439592][ T26] schedule+0x164/0x360 [ 291.439603][ T26] virtio_gpu_queue_fenced_ctrl_buffer+0x760/0x1090 [ 291.439628][ T26] ? __pfx_virtio_gpu_queue_fenced_ctrl_buffer+0x10/0x10 [ 291.439647][ T26] ? __pfx_autoremove_wake_function+0x10/0x10 [ 291.439666][ T26] ? rcu_is_watching+0x15/0xb0 [ 291.439685][ T26] ? virtio_gpu_cmd_resource_flush+0x7c/0x330 [ 291.439702][ T26] ? __asan_memset+0x22/0x50 [ 291.439723][ T26] virtio_gpu_primary_plane_update+0xcff/0x13a0 [ 291.439739][ T26] ? __pfx___drm_dev_dbg+0x10/0x10 [ 291.439755][ T26] ? __pfx_virtio_gpu_primary_plane_update+0x10/0x10 [ 291.439773][ T26] drm_atomic_helper_commit_planes+0x60f/0xec0 [ 291.439797][ T26] drm_atomic_helper_commit_tail+0x5f/0x500 [ 291.439816][ T26] ? ktime_get+0x1d2/0x200 [ 291.439832][ T26] commit_tail+0x29a/0x3a0 [ 291.439854][ T26] drm_atomic_helper_commit+0xa6e/0xb10 [ 291.439875][ T26] ? __pfx_drm_atomic_helper_commit+0x10/0x10 [ 291.439892][ T26] drm_atomic_commit+0x246/0x2b0 [ 291.439907][ T26] ? __pfx_drm_atomic_commit+0x10/0x10 [ 291.439918][ T26] ? __pfx___drm_printfn_info+0x10/0x10 [ 291.439937][ T26] ? ww_mutex_lock+0x3f/0x1c0 [ 291.439953][ T26] ? drm_modeset_unlock+0x38/0x100 [ 291.439971][ T26] drm_atomic_helper_dirtyfb+0xdec/0xf80 [ 291.439995][ T26] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 291.440022][ T26] ? do_raw_spin_lock+0x12b/0x2f0 [ 291.440043][ T26] drm_fbdev_shmem_helper_fb_dirty+0x160/0x2d0 [ 291.440062][ T26] drm_fb_helper_damage_work+0x2b3/0x750 [ 291.440087][ T26] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 291.440114][ T26] ? process_scheduled_works+0xa8d/0x18c0 [ 291.440129][ T26] ? process_scheduled_works+0xa8d/0x18c0 [ 291.440146][ T26] process_scheduled_works+0xb6e/0x18c0 [ 291.440182][ T26] ? __pfx_process_scheduled_works+0x10/0x10 [ 291.440203][ T26] ? assign_work+0x3d5/0x5e0 [ 291.440222][ T26] worker_thread+0xa53/0xfc0 [ 291.440256][ T26] kthread+0x388/0x470 [ 291.440270][ T26] ? __pfx_worker_thread+0x10/0x10 [ 291.440285][ T26] ? __pfx_kthread+0x10/0x10 [ 291.440299][ T26] ret_from_fork+0x51e/0xb90 [ 291.440317][ T26] ? __pfx_ret_from_fork+0x10/0x10 [ 291.440332][ T26] ? __switch_to+0xc7d/0x1450 [ 291.440349][ T26] ? __pfx_kthread+0x10/0x10 [ 291.440362][ T26] ret_from_fork_asm+0x1a/0x30 [ 291.440391][ T26] [ 291.440444][ T26] [ 291.440444][ T26] Showing all locks held in the system: [ 291.440454][ T26] 9 locks held by swapper/0/1: [ 291.440462][ T26] #0: ffff888032d121b8 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x341/0x640 [ 291.440554][ T26] #1: ffff8880351fa278 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_register+0x4f/0x210 [ 291.440590][ T26] #2: ffffffff8ef5d448 (registration_lock){+.+.}-{4:4}, at: register_framebuffer+0x8d/0x8d0 [ 291.440624][ T26] #3: ffffffff8e7509a0 (console_lock){+.+.}-{0:0}, at: fbcon_fb_registered+0x49/0x610 [ 291.440661][ T26] #4: ffff88801cd36a80 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_pan_display+0xbe/0xbd0 [ 291.440698][ T26] #5: ffff8880351fa130 (&dev->master_mutex){+.+.}-{4:4}, at: drm_master_internal_acquire+0x20/0x80 [ 291.440732][ T26] #6: ffff88801cd36898 (&client->modeset_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_locked+0x4c/0x4d0 [ 291.440766][ T26] #7: ffffc900001aea70 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 [ 291.440799][ T26] #8: ffffc900001aea98 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 [ 291.440844][ T26] 3 locks held by kworker/0:1/10: [ 291.440851][ T26] #0: ffff88801aca6948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 291.440886][ T26] #1: ffffc9000023fc40 ((work_completion)(&vgvq->dequeue_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 291.440927][ T26] #2: ffff8880351fa278 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_dev_hotplug+0xdc/0x4f0 [ 291.440966][ T26] 2 locks held by kworker/u4:0/12: [ 291.440973][ T26] #0: ffff88801ac94148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 291.441009][ T26] #1: ffffc9000025fc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 291.441047][ T26] 1 lock held by khungtaskd/26: [ 291.441054][ T26] #0: ffffffff8e75e560 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 291.441096][ T26] 5 locks held by kworker/0:2/53: [ 291.441110][ T26] #0: ffff88801aca6948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 291.441145][ T26] #1: ffffc90000affc40 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 291.441181][ T26] #2: ffffc90000aff870 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_atomic_helper_dirtyfb+0x106/0xf80 [ 291.441215][ T26] #3: ffffc90000aff898 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_atomic_helper_dirtyfb+0x106/0xf80 [ 291.441249][ T26] #4: ffffffff8f0622d8 (drm_unplug_srcu){.+.+}-{0:0}, at: drm_dev_enter+0x49/0x150 [ 291.441284][ T26] [ 291.441289][ T26] ============================================= [ 291.441289][ T26] [ 291.441326][ T26] Kernel panic - not syncing: hung_task: blocked tasks [ 291.441337][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 291.441349][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 291.441357][ T26] Call Trace: [ 291.441441][ T26] [ 291.441446][ T26] vpanic+0x56c/0xa60 [ 291.441463][ T26] ? __pfx_vprintk_emit+0x10/0x10 [ 291.441483][ T26] ? __pfx_vpanic+0x10/0x10 [ 291.441505][ T26] panic+0xc5/0xd0 [ 291.441520][ T26] ? __pfx_panic+0x10/0x10 [ 291.441545][ T26] watchdog+0x1023/0x1030 [ 291.441584][ T26] ? watchdog+0x21a/0x1030 [ 291.441601][ T26] kthread+0x388/0x470 [ 291.441613][ T26] ? __pfx_watchdog+0x10/0x10 [ 291.441623][ T26] ? __pfx_kthread+0x10/0x10 [ 291.441635][ T26] ret_from_fork+0x51e/0xb90 [ 291.441652][ T26] ? __pfx_ret_from_fork+0x10/0x10 [ 291.441667][ T26] ? __switch_to+0xc7d/0x1450 [ 291.441695][ T26] ? __pfx_kthread+0x10/0x10 [ 291.441706][ T26] ret_from_fork_asm+0x1a/0x30 [ 291.441732][ T26] [ 291.442130][ T26] Kernel Offset: disabled