failed to run ["ssh" "-p" "64887" "-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 64887 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 22.1.6 (++20260514074242+fc4aad7b5db3-1~exp1~20260514074407.73), Debian LLD 22.1.6) #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] DMI: 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 2939108672 cycles [ 0.005272][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.028784][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000 [ 0.034754][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.042561][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.055817][ T0] found SMP MP-table at [mem 0x000f5430-0x000f543f] [ 0.061713][ T0] Using GB pages for direct mapping [ 0.068703][ T0] ACPI: Early table checksum verification disabled [ 0.074583][ T0] ACPI: RSDP 0x00000000000F5270 000014 (v00 BOCHS ) [ 0.080598][ T0] ACPI: RSDT 0x000000005FFE25D7 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.089190][ T0] ACPI: FACP 0x000000005FFE189E 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.097496][ T0] ACPI: DSDT 0x000000005FFDF040 00285E (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.106735][ T0] ACPI: FACS 0x000000005FFDF000 000040 [ 0.111561][ T0] ACPI: APIC 0x000000005FFE1992 000078 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.119962][ T0] ACPI: HPET 0x000000005FFE1A0A 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.128414][ T0] ACPI: SRAT 0x000000005FFE1A42 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.136873][ T0] ACPI: MCFG 0x000000005FFE1B22 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.145384][ T0] ACPI: DMAR 0x000000005FFE1B5E 0000D0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.153966][ T0] ACPI: SSDT 0x000000005FFE1C2E 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.162473][ T0] ACPI: NFIT 0x000000005FFE24CF 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.170619][ T0] ACPI: WAET 0x000000005FFE25AF 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.178973][ T0] ACPI: Reserving FACP table memory at [mem 0x5ffe189e-0x5ffe1991] [ 0.185860][ T0] ACPI: Reserving DSDT table memory at [mem 0x5ffdf040-0x5ffe189d] [ 0.192865][ T0] ACPI: Reserving FACS table memory at [mem 0x5ffdf000-0x5ffdf03f] [ 0.200020][ T0] ACPI: Reserving APIC table memory at [mem 0x5ffe1992-0x5ffe1a09] [ 0.206876][ T0] ACPI: Reserving HPET table memory at [mem 0x5ffe1a0a-0x5ffe1a41] [ 0.213857][ T0] ACPI: Reserving SRAT table memory at [mem 0x5ffe1a42-0x5ffe1b21] [ 0.220725][ T0] ACPI: Reserving MCFG table memory at [mem 0x5ffe1b22-0x5ffe1b5d] [ 0.227971][ T0] ACPI: Reserving DMAR table memory at [mem 0x5ffe1b5e-0x5ffe1c2d] [ 0.234890][ T0] ACPI: Reserving SSDT table memory at [mem 0x5ffe1c2e-0x5ffe24ce] [ 0.241971][ T0] ACPI: Reserving NFIT table memory at [mem 0x5ffe24cf-0x5ffe25ae] [ 0.249060][ T0] ACPI: Reserving WAET table memory at [mem 0x5ffe25af-0x5ffe25d6] [ 0.256474][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.262550][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x5fffffff] [ 0.268506][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.276152][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x59fffffff] hotplug [ 0.282847][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x5ffdcfff] -> [mem 0x00001000-0x5ffdcfff] [ 0.292868][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000030000fff] (768MB) [ 0.300584][ T0] Faking node 1 at [mem 0x0000000030001000-0x000000005ffdcfff] (767MB) [ 0.309214][ T0] NODE_DATA(0) allocated [mem 0x2fffb100-0x30000fff] [ 0.319032][ T0] NODE_DATA(1) allocated [mem 0x5ffd6100-0x5ffdbfff] [ 0.520328][ T0] KernelAddressSanitizer initialized (generic) [ 0.534472][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.538792][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.545080][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.552301][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.559023][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.565829][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.573718][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.580411][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.587388][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.594073][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.599409][ T0] TSC deadline timer available [ 0.603797][ T0] CPU topo: Max. logical packages: 1 [ 0.608555][ T0] CPU topo: Max. logical nodes: 1 [ 0.613342][ T0] CPU topo: Num. nodes per package: 1 [ 0.618495][ T0] CPU topo: Max. logical dies: 1 [ 0.623317][ T0] CPU topo: Max. dies per package: 1 [ 0.628166][ T0] CPU topo: Max. threads per core: 1 [ 0.633206][ T0] CPU topo: Num. cores per package: 1 [ 0.638305][ T0] CPU topo: Num. threads per package: 1 [ 0.643557][ T0] CPU topo: Allowing 1 present CPUs plus 0 hotplug CPUs [ 0.649976][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.657462][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.665329][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.672840][ T0] [gap 0x60000000-0xafffffff] available for PCI devices [ 0.679178][ T0] Booting paravirtualized kernel on KVM [ 0.683851][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.795425][ T0] Zone ranges: [ 0.798345][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.804533][ T0] DMA32 [mem 0x0000000001000000-0x000000005ffdcfff] [ 0.810693][ T0] Normal empty [ 0.814086][ T0] Device empty [ 0.817286][ T0] Movable zone start for each node [ 0.821796][ T0] Early memory node ranges [ 0.825843][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.832378][ T0] node 0: [mem 0x0000000000100000-0x0000000030000fff] [ 0.838746][ T0] node 1: [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.845122][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000030000fff] [ 0.852099][ T0] Initmem setup node 1 [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.859480][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.865895][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.897969][ T0] On node 1, zone DMA32: 35 pages in unavailable ranges [ 0.904150][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:2 [ 0.912391][ T0] percpu: Embedded 71 pages/cpu s250952 r8192 d31672 u2097152 [ 0.919722][ T0] kvm-guest: PV spinlocks disabled, single CPU [ 0.925091][ 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 \ [ 1.006582][ 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 [ 1.027621][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 1.037126][ T0] random: crng init done [ 1.041304][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 1.050231][ T0] software IO TLB: area num 1. [ 1.088962][ T0] Fallback order for Node 0: 0 1 [ 1.088990][ T0] Fallback order for Node 1: 1 0 [ 1.089004][ T0] Built 2 zonelists, mobility grouping on. Total pages: 393083 [ 1.102346][ T0] Policy zone: DMA32 [ 1.106964][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 1.112595][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 1.119106][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.132771][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.244318][ T0] ********************************************************** [ 1.249690][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.254867][ T0] ** ** [ 1.260189][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.265391][ T0] ** via the console, logs, and other interfaces. This ** [ 1.270699][ T0] ** might reduce the security of your system. ** [ 1.276076][ T0] ** ** [ 1.281390][ T0] ** If you see this message and you are not debugging ** [ 1.286968][ T0] ** the kernel, report this immediately to your system ** [ 1.292235][ T0] ** administrator! ** [ 1.297484][ T0] ** ** [ 1.302995][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.308315][ T0] ** ** [ 1.313663][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.319248][ T0] ********************************************************** [ 1.328169][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=2 [ 1.362170][ T0] allocated 31457280 bytes of page_ext [ 1.366209][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.377892][ T0] Node 0, zone DMA32: page owner found early allocated 4596 pages [ 1.386571][ T0] Node 1, zone DMA32: page owner found early allocated 3207 pages [ 1.394034][ T0] Dynamic Preempt: full [ 1.398577][ T0] Running RCU self tests [ 1.401805][ T0] Running RCU synchronous self tests [ 1.405682][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.410659][ T0] rcu: RCU lockdep checking is enabled. [ 1.414760][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1. [ 1.420188][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.425685][ T0] rcu: RCU debug extended QS entry/exit. [ 1.429876][ T0] All grace periods are expedited (rcu_expedited). [ 1.434626][ T0] Trampoline variant of Tasks RCU enabled. [ 1.438934][ T0] Tracing variant of Tasks RCU enabled. [ 1.443071][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.449121][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 1.454851][ T0] Running RCU synchronous self tests [ 1.458645][ T0] RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. [ 1.648656][ T0] NR_IRQS: 4352, nr_irqs: 256, preallocated irqs: 16 [ 1.654913][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.660547][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.668491][ T0] [ 1.670093][ T0] ============================= [ 1.673652][ T0] [ BUG: Invalid wait context ] [ 1.677041][ T0] syzkaller #0 Not tainted [ 1.680278][ T0] ----------------------------- [ 1.683919][ T0] swapper/0/0 is trying to lock: [ 1.687370][ T0] ffffffff8e984b00 (clocksource_mutex){....}-{4:4}, at: __clocksource_register_scale+0x921/0xff0 [ 1.695214][ T0] other info that might help us debug this: [ 1.699426][ T0] context-{5:5} [ 1.702004][ T0] 1 lock held by swapper/0/0: [ 1.705357][ T0] #0: ffffffff9a4ca9f0 (&tkd->lock){....}-{2:2}, at: timekeeping_init+0x227/0x390 [ 1.712209][ T0] stack backtrace: [ 1.715029][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 1.715041][ T0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 1.715047][ T0] Call Trace: [ 1.715054][ T0] [ 1.715060][ T0] dump_stack_lvl+0xe8/0x150 [ 1.715073][ T0] __lock_acquire+0xe39/0x2cf0 [ 1.715084][ T0] ? __pfx_up+0x10/0x10 [ 1.715107][ T0] ? prb_read_valid+0x3c/0x60 [ 1.715120][ T0] ? __clocksource_register_scale+0x921/0xff0 [ 1.715133][ T0] lock_acquire+0x106/0x350 [ 1.715142][ T0] ? __clocksource_register_scale+0x921/0xff0 [ 1.715157][ T0] ? _printk+0xdd/0x130 [ 1.715170][ T0] ? __might_resched+0x71/0x4d0 [ 1.715188][ T0] __mutex_lock+0x19d/0x1550 [ 1.715199][ T0] ? __clocksource_register_scale+0x921/0xff0 [ 1.715211][ T0] ? __pfx_vprintk_emit+0x10/0x10 [ 1.715227][ T0] ? __clocksource_register_scale+0x921/0xff0 [ 1.715239][ T0] ? __pfx___mutex_lock+0x10/0x10 [ 1.715255][ T0] ? __native_queued_spin_unlock+0xd/0x50 [ 1.715270][ T0] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x40 [ 1.715288][ T0] ? clocksource_arch_init+0x86/0x110 [ 1.715299][ T0] __clocksource_register_scale+0x921/0xff0 [ 1.715314][ T0] ? __hrtimer_setup+0x1b7/0x260 [ 1.715327][ T0] clocksource_default_clock+0x20/0x40 [ 1.715341][ T0] timekeeping_init+0x236/0x390 [ 1.715354][ T0] ? __pfx_timekeeping_init+0x10/0x10 [ 1.715365][ T0] ? __split_page_owner+0x2d/0x300 [ 1.715379][ T0] ? __split_page_owner+0x2d/0x300 [ 1.715390][ T0] ? vdso_setup_data_pages+0xa3/0x130 [ 1.715402][ T0] ? __asan_memcpy+0x40/0x70 [ 1.715414][ T0] start_kernel+0x1d3/0x3e0 [ 1.715425][ T0] x86_64_start_reservations+0x24/0x30 [ 1.715442][ T0] x86_64_start_kernel+0x137/0x1b0 [ 1.715455][ T0] common_startup_64+0x13e/0x157 [ 1.715473][ T0] [ 1.715902][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88805b200000-0xffff88805b400000 [ 1.890026][ T0] Console: colour VGA+ 80x25 [ 1.893510][ T0] printk: legacy console [ttyS0] enabled [ 1.893510][ T0] printk: legacy console [ttyS0] enabled [ 1.901557][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.901557][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.910730][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.916959][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.920557][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.924372][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.928186][ T0] ... CLASSHASH_SIZE: 4096 [ 1.932013][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.935969][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.940003][ T0] ... CHAINHASH_SIZE: 524288 [ 1.943969][ T0] memory used by lock dependency info: 106625 kB [ 1.948640][ T0] memory used for stack traces: 8320 kB [ 1.952676][ T0] per task-struct memory footprint: 1920 bytes [ 1.957270][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.966154][ T0] ACPI: Core revision 20260408 [ 1.970993][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.978862][ T0] APIC: Switch to symmetric I/O mode setup [ 1.983153][ T0] DMAR: Host address width 48 [ 1.986536][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.991526][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c222f0606 ecap f00f5e [ 1.998112][ T0] DMAR: ATSR flags: 0x1 [ 2.001404][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0 [ 2.006744][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 2.018162][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 2.022786][ T0] x2apic enabled [ 2.025928][ T0] APIC: Switched APIC routing to: cluster x2apic [ 2.045279][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 2.050322][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980) [ 2.060693][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 2.067232][ T0] numa_add_cpu cpu 0 node 0: mask now 0 [ 2.070318][ T0] numa_add_cpu cpu 0 node 1: mask now 0 [ 2.074070][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 2.078240][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 2.080428][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.090325][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.097147][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 2.100317][ T0] RETBleed: Mitigation: Enhanced IBRS [ 2.104423][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.110317][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.115883][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.120317][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.130322][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 2.140343][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 2.146105][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.150346][ T0] active return thunk: its_return_thunk [ 2.154251][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.160550][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.170318][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.175439][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.180320][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 2.185384][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 2.190319][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 2.195663][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.200321][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 2.205211][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 2.210316][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 2.214813][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 2.477099][ T0] pid_max: default: 32768 minimum: 301 [ 2.481164][ T0] landlock: Up and running. [ 2.483829][ T0] Yama: becoming mindful. [ 2.486426][ T0] TOMOYO Linux initialized [ 2.489267][ T0] AppArmor: AppArmor initialized [ 2.491253][ T0] LSM support for eBPF active [ 2.495010][ T0] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.500603][ T0] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 2.505727][ T0] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, vmalloc) [ 2.510366][ T0] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, vmalloc) [ 2.515941][ T0] VFS: Finished mounting rootfs on nullfs [ 2.522320][ T0] Running RCU synchronous self tests [ 2.525328][ T0] Running RCU synchronous self tests [ 2.650659][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 2.659177][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only. [ 2.660497][ T1] signal: max sigframe size: 3632 [ 2.663439][ T1] rcu: Hierarchical SRCU implementation. [ 2.670313][ T1] rcu: Max phase no-delay instances is 1000. [ 2.705477][ T1] smp: Bringing up secondary CPUs ... [ 2.708920][ T1] smp: Brought up 2 nodes, 1 CPU [ 2.710336][ T1] smpboot: Total of 1 processors activated (5599.99 BogoMIPS) [ 2.715978][ T1] Memory: 750208K/1572332K available (175302K kernel code, 29953K rwdata, 41440K rodata, 26688K init, 120572K bss, 779584K reserved, 0K cma-reserved) [ 2.721633][ T1] devtmpfs: initialized [ 2.731108][ T1] x86/mm: Memory block size: 128MB [ 2.752580][ T1] Running RCU synchronous self tests [ 2.756175][ T1] Running RCU synchronous self tests [ 2.760120][ T1] Running RCU Tasks wait API self tests [ 2.870373][ T1] Running RCU Tasks Trace wait API self tests [ 2.881273][ T1] posixtimers hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 2.886566][ T1] futex hash table entries: 128 (16384 bytes on 2 NUMA nodes, total 32 KiB, linear). [ 2.891046][ T1] xor: automatically using best checksumming function avx [ 2.900330][ T1] PM: RTC time: 09:47:17, date: 2026-06-19 [ 2.908755][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.914240][ T1] audit: initializing netlink subsys (disabled) [ 2.920792][ T24] audit: type=2000 audit(1781862438.090:1): state=initialized audit_enabled=0 res=1 [ 2.928414][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.928519][ T1] cpuidle: using governor menu [ 2.933458][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.940531][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.947826][ T1] Freeing SMP alternatives memory: 136K [ 2.951320][ T1] dca service started, version 1.12.1 [ 2.954800][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff] [ 2.960331][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry [ 3.016080][ T1] PCI: Using configuration type 1 for base access [ 3.031617][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.036290][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.050327][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.054999][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.081979][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 3.086532][ T1] raid6: using avx512x2 recovery algorithm [ 3.100366][ T23] Callback from call_rcu_tasks() invoked. [ 3.106114][ T1] ACPI: Added _OSI(Module Device) [ 3.109538][ T1] ACPI: Added _OSI(Processor Device) [ 3.120324][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.340526][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.392226][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.416345][ T1] ACPI: Interpreter enabled [ 3.430536][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.434110][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.439222][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.450319][ T1] PCI: Using E820 reservations for host bridge windows [ 3.459686][ T1] ACPI: Enabled 4 GPEs in block 00 to 3F [ 3.795035][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.810401][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 3.831011][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR] [ 3.852418][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability] [ 3.860048][ T1] PCI host bridge to bus 0000:00 [ 3.870320][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.876267][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.890350][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.895780][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.910347][ T1] pci_bus 0000:00: root bus resource [mem 0x60000000-0xafffffff window] [ 3.916221][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.930357][ T1] pci_bus 0000:00: root bus resource [mem 0x5c0000000-0xdbfffffff window] [ 3.936350][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.950758][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint [ 3.974622][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 3.998071][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfc000000-0xfc7fffff pref] [ 4.010584][ T1] pci 0000:00:01.0: BAR 2 [mem 0xfca00000-0xfca03fff 64bit pref] [ 4.016489][ T1] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 4.030519][ T1] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref] [ 4.036819][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.050425][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x310 took 19531 usecs [ 4.072823][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint [ 4.087049][ T1] pci 0000:00:02.0: BAR 0 [mem 0xfea80000-0xfea9ffff] [ 4.100384][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfeaa0000-0xfeabffff] [ 4.105475][ T1] pci 0000:00:02.0: BAR 2 [io 0xc080-0xc09f] [ 4.109832][ T1] pci 0000:00:02.0: BAR 3 [mem 0xfeaf0000-0xfeaf3fff] [ 4.120525][ T1] pci 0000:00:02.0: ROM [mem 0xfea00000-0xfea3ffff pref] [ 4.125722][ T1] pci 0000:00:02.0: enabling Extended Tags [ 4.158200][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.176285][ T1] pci 0000:00:03.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.190395][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfeaf5000-0xfeaf5fff] [ 4.195590][ T1] pci 0000:00:03.0: BAR 4 [mem 0xfca04000-0xfca07fff 64bit pref] [ 4.217551][ T1] pci 0000:00:04.0: [8086:3420] type 01 class 0x060400 PCIe Root Port [ 4.235022][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 4.239353][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 4.251976][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 4.259440][ T1] pci 0000:00:04.0: enabling Extended Tags [ 4.275685][ T1] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint [ 4.295169][ T1] pci 0000:00:05.0: BAR 0 [io 0xc0c0-0xc0df] [ 4.298862][ T1] pci 0000:00:05.0: BAR 1 [mem 0xfeaf6000-0xfeaf6fff] [ 4.310589][ T1] pci 0000:00:05.0: BAR 4 [mem 0xfca08000-0xfca0bfff 64bit pref] [ 4.331855][ T1] pci 0000:00:06.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 4.353545][ T1] pci 0000:00:06.0: BAR 0 [mem 0xfeac0000-0xfeadffff] [ 4.357849][ T1] pci 0000:00:06.0: BAR 1 [io 0xc000-0xc03f] [ 4.370588][ T1] pci 0000:00:06.0: ROM [mem 0xfea40000-0xfea7ffff pref] [ 4.378206][ T1] pci 0000:00:07.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 4.395906][ T1] pci 0000:00:07.0: BAR 0 [mem 0xfeaf7000-0xfeaf70ff] [ 4.410381][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfeaf8000-0xfeaf8fff] [ 4.414738][ T1] pci 0000:00:07.0: BAR 2 [mem 0xfca0c000-0xfca0cfff 64bit pref] [ 4.424298][ T1] pci 0000:00:08.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 4.453119][ T1] pci 0000:00:08.0: BAR 0 [mem 0xfeaf9000-0xfeaf90ff] [ 4.457893][ T1] pci 0000:00:08.0: BAR 2 [mem 0xfa000000-0xfbffffff 64bit pref] [ 4.475825][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 conventional PCI endpoint [ 4.494123][ T1] pci 0000:00:1d.0: BAR 4 [io 0xc0e0-0xc0ff] [ 4.510331][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 conventional PCI endpoint [ 4.520073][ T1] pci 0000:00:1d.1: BAR 4 [io 0xc100-0xc11f] [ 4.532999][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 conventional PCI endpoint [ 4.552255][ T1] pci 0000:00:1d.2: BAR 4 [io 0xc120-0xc13f] [ 4.559759][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 conventional PCI endpoint [ 4.572945][ T1] pci 0000:00:1d.7: BAR 0 [mem 0xfeafa000-0xfeafafff] [ 4.590469][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint [ 4.598964][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 4.610631][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x390 took 19531 usecs [ 4.618454][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint [ 4.633875][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc140-0xc15f] [ 4.637309][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfeafb000-0xfeafbfff] [ 4.654702][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint [ 4.673205][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f] [ 4.691489][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 4.739726][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.753378][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.771369][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.779325][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.793332][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10 [ 4.811225][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10 [ 4.819147][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11 [ 4.833489][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11 [ 4.839050][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16 [ 4.850728][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17 [ 4.856030][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18 [ 4.870708][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19 [ 4.876080][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20 [ 4.890899][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21 [ 4.896134][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22 [ 4.910716][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23 [ 4.950725][ T1] iommu: Default domain type: Translated [ 4.954709][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.973143][ T1] SCSI subsystem initialized [ 4.976986][ T1] libata version 3.00 loaded. [ 4.991033][ T1] ACPI: bus type USB registered [ 4.994976][ T1] usbcore: registered new interface driver usbfs [ 4.999617][ T1] usbcore: registered new interface driver hub [ 5.010549][ T1] usbcore: registered new device driver usb [ 5.016063][ T1] mc: Linux media interface: v0.10 [ 5.019815][ T1] videodev: Linux video capture interface: v2.00 [ 5.030824][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.034853][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.050392][ T1] PTP clock support registered [ 5.054526][ T1] EDAC MC: Ver: 3.0.0 [ 5.073597][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.092298][ T1] Bluetooth: Core ver 2.22 [ 5.095460][ T1] NET: Registered PF_BLUETOOTH protocol family [ 5.099771][ T1] Bluetooth: HCI device and connection manager initialized [ 5.110395][ T1] Bluetooth: HCI socket layer initialized [ 5.114317][ T1] Bluetooth: L2CAP socket layer initialized [ 5.118537][ T1] Bluetooth: SCO socket layer initialized [ 5.130399][ T1] NET: Registered PF_ATMPVC protocol family [ 5.134303][ T1] NetLabel: Initializing [ 5.136707][ T1] NetLabel: domain hash size = 128 [ 5.139626][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.150686][ T1] NetLabel: unlabeled traffic allowed by default [ 5.155487][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.158783][ T1] NET: Registered PF_NFC protocol family [ 5.170428][ T1] mctp: management component transport protocol core [ 5.175165][ T1] NET: Registered PF_MCTP protocol family [ 5.179361][ T1] PCI: Using ACPI for IRQ routing [ 6.078006][ T1] PCI: pci_cache_line_size set to 64 bytes [ 6.092268][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 6.097895][ T1] e820: register RAM buffer resource [mem 0x5ffdd000-0x5fffffff] [ 6.110810][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 6.115525][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 6.120306][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 6.130343][ T1] vgaarb: loaded [ 6.138885][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 6.150321][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 6.170852][ T1] clocksource: Switched to clocksource kvm-clock [ 6.178235][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.189972][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 6.197871][ T1] netfs: FS-Cache loaded [ 6.210800][ T1] CacheFiles: Loaded [ 6.214615][ T1] TOMOYO: 2.6.0 [ 6.219866][ T1] Mandatory Access Control activated. [ 6.232262][ T1] AppArmor: AppArmor Filesystem Enabled [ 6.236483][ T1] acpi PNP0C01:00: Reserved [mem 0xb0000000-0xbfffffff] [ 6.260126][ T1] pnp: PnP ACPI init [ 6.300125][ T1] pnp: PnP ACPI: found 4 devices [ 6.385829][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.401046][ T1] NET: Registered PF_INET protocol family [ 6.410371][ T1] IP idents hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 6.436295][ T1] tcp_listen_portaddr_hash hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 6.450175][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 6.460095][ T1] TCP established hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 6.480869][ T1] TCP bind hash table entries: 8192 (order: 9, 1179648 bytes, vmalloc) [ 6.487003][ T1] TCP: Hash tables configured (established 8192 bind 8192) [ 6.500765][ T1] MPTCP token hash table entries: 1024 (order: 5, 90112 bytes, vmalloc) [ 6.506843][ T1] UDP hash table entries: 512 (order: 5, 131072 bytes, vmalloc) [ 6.530473][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 6.537617][ T1] RPC: Registered named UNIX socket transport module. [ 6.549874][ T1] RPC: Registered udp transport module. [ 6.559989][ T1] RPC: Registered tcp transport module. [ 6.563918][ T1] RPC: Registered tcp-with-tls transport module. [ 6.568784][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.602419][ T1] NET: Registered PF_XDP protocol family [ 6.606614][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000 [ 6.629921][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]: assigned [ 6.650626][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 6.659944][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff] [ 6.681269][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 6.701564][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 6.719884][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 6.725425][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 6.739865][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 6.745449][ T1] pci_bus 0000:00: resource 7 [mem 0x60000000-0xafffffff window] [ 6.759891][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 6.769847][ T1] pci_bus 0000:00: resource 9 [mem 0x5c0000000-0xdbfffffff window] [ 6.779868][ T1] pci_bus 0000:01: resource 0 [io 0x1000-0x1fff] [ 6.789850][ T1] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff] [ 6.799858][ T1] pci_bus 0000:01: resource 2 [mem 0xfc800000-0xfc9fffff 64bit pref] [ 6.860419][ T1] ACPI: \_SB_.GSIA: Enabled at IRQ 16 [ 6.903537][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1830 took 80153 usecs [ 6.947554][ T1] ACPI: \_SB_.GSIB: Enabled at IRQ 17 [ 6.989585][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1830 took 78203 usecs [ 7.038267][ T1] ACPI: \_SB_.GSIC: Enabled at IRQ 18 [ 7.088987][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1830 took 77049 usecs [ 7.137425][ T1] ACPI: \_SB_.GSID: Enabled at IRQ 19 [ 7.190008][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1830 took 78165 usecs [ 7.200245][ T1] PCI: CLS 0 bytes, default 64 [ 7.213910][ T1] DMAR: No RMRR found [ 7.217801][ T1] DMAR: No SATC found [ 7.229894][ T1] DMAR: dmar0: Using Queued invalidation [ 7.236291][ T51] kworker/u4:1 (51) used greatest stack depth: 27960 bytes left [ 7.242192][ T1] pci 0000:00:00.0: Adding to iommu group 0 [ 7.260091][ T1] pci 0000:00:01.0: Adding to iommu group 1 [ 7.264482][ T1] pci 0000:00:02.0: Adding to iommu group 2 [ 7.268994][ T1] pci 0000:00:03.0: Adding to iommu group 3 [ 7.280384][ T1] pci 0000:00:04.0: Adding to iommu group 4 [ 7.290183][ T1] pci 0000:00:05.0: Adding to iommu group 5 [ 7.300130][ T1] pci 0000:00:06.0: Adding to iommu group 6 [ 7.310190][ T1] pci 0000:00:07.0: Adding to iommu group 7 [ 7.320115][ T1] pci 0000:00:08.0: Adding to iommu group 8 [ 7.325286][ T1] pci 0000:00:1d.0: Adding to iommu group 9 [ 7.340071][ T1] pci 0000:00:1d.1: Adding to iommu group 9 [ 7.344866][ T1] pci 0000:00:1d.2: Adding to iommu group 9 [ 7.349116][ T1] pci 0000:00:1d.7: Adding to iommu group 9 [ 7.370153][ T1] pci 0000:00:1f.0: Adding to iommu group 10 [ 7.374581][ T1] pci 0000:00:1f.2: Adding to iommu group 10 [ 7.379061][ T1] pci 0000:00:1f.3: Adding to iommu group 10 [ 7.499906][ T1] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 7.505750][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 7.519928][ T1] software IO TLB: mapped [mem 0x000000005b400000-0x000000005f400000] (64MB) [ 7.526785][ T1] ACPI: bus type thunderbolt registered [ 7.545994][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 7.560650][ T1] no MSR PMU driver. [ 7.590331][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 7.598958][ T59] kworker/u4:1 (59) used greatest stack depth: 27672 bytes left [ 7.608933][ T62] kworker/u4:1 (62) used greatest stack depth: 27224 bytes left [ 7.627546][ T1] Initialise system trusted keyrings [ 7.640750][ T1] workingset: timestamp_bits=40 (anon: 36) max_order=18 bucket_order=0 (anon: 0) [ 7.665206][ T1] DLM installed [ 7.674977][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 7.694823][ T1] NFS: Registering the id_resolver key type [ 7.710105][ T1] Key type id_resolver registered [ 7.713974][ T1] Key type id_legacy registered [ 7.718288][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 7.730639][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 7.752495][ T1] smbdirect: subsystem loading... [ 7.764223][ T1] smbdirect: subsystem loaded [ 7.790659][ T1] Key type cifs.spnego registered [ 7.800097][ T1] Key type cifs.idmap registered [ 7.812082][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 7.819901][ T1] ntfs3: Read-only LZX/Xpress compression included [ 7.830355][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 7.839990][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 7.851223][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 7.855570][ T1] QNX4 filesystem 0.2.3 registered. [ 7.859182][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 7.881354][ T1] fuse: init (API version 7.45) [ 7.893495][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 7.910949][ T1] orangefs_init: module version upstream loaded [ 7.916317][ T1] JFS: nTxBlock = 6194, nTxLock = 49555 [ 7.935777][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 7.954533][ T1] 9p: Installing v9fs 9p2000 file system support [ 7.969982][ T1] NILFS version 2 loaded [ 7.973194][ T1] befs: version: 0.9.3 [ 7.976644][ T1] ocfs2: Registered cluster interface o2cb [ 7.991779][ T1] ocfs2: Registered cluster interface user [ 8.000323][ T1] OCFS2 User DLM kernel interface loaded [ 8.032652][ T1] gfs2: GFS2 installed [ 8.049370][ T1] ceph: loaded (mds proto 32) [ 8.073987][ T1] NET: Registered PF_ALG protocol family [ 8.080049][ T1] async_tx: api initialized (async) [ 8.090236][ T1] Key type asymmetric registered [ 8.100081][ T1] Asymmetric key parser 'x509' registered [ 8.104542][ T1] Asymmetric key parser 'pkcs8' registered [ 8.109032][ T1] Key type pkcs7_test registered [ 8.130285][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 8.137265][ T1] io scheduler mq-deadline registered [ 8.150097][ T1] io scheduler kyber registered [ 8.154344][ T1] io scheduler bfq registered [ 8.224573][ T1] ACPI: \_SB_.GSIE: Enabled at IRQ 20 [ 8.244683][ T1] pcieport 0000:00:04.0: PME: Signaling with IRQ 25 [ 8.263855][ T1] pcieport 0000:00:04.0: AER: enabled with IRQ 26 [ 8.287874][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 8.303615][ T1] ACPI: button: Power Button [PWRF] [ 8.890416][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 8.950178][ T1] ACPI: \_SB_.GSIF: Enabled at IRQ 21 [ 9.021211][ T1] ACPI: \_SB_.GSIH: Enabled at IRQ 23 [ 9.573048][ T1] N_HDLC line discipline registered with maxframe=4096 [ 9.590227][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.598138][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 9.649312][ T1] Non-volatile memory driver v1.3 [ 9.669028][ T1] usbcore: registered new interface driver xillyusb [ 9.681543][ T1] ACPI: bus type drm_connector registered [ 9.693516][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 9.713716][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 9.848852][ T1] Console: switching to colour frame buffer device 128x48 [ 9.939874][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 9.948806][ T1] usbcore: registered new interface driver udl [ 9.960747][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 9.969898][ T1] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [ 9.976484][ T1] [drm] features: -virgl +edid -resource_blob -host_visible [ 9.976494][ T1] [drm] features: -context_init -blob_alignment [ 10.004156][ T1] [drm] number of scanouts: 1 [ 10.006970][ T1] [drm] number of cap sets: 0 [ 10.023839][ T1] [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2 [ 10.062681][ T1] fbcon: virtio_gpudrmfb (fb1) is primary device [ 10.062691][ T1] fbcon: Remapping primary device, fb1, to tty 1-63 [ 286.640035][ T25] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 286.640058][ T25] Not tainted syzkaller #0 [ 286.640065][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.640071][ T25] task:swapper/0 state:D stack:20664 pid:1 tgid:1 ppid:0 task_flags:0x0140 flags:0x00080000 [ 286.640111][ T25] Call Trace: [ 286.640119][ T25] [ 286.640128][ T25] __schedule+0x17d9/0x56c0 [ 286.640277][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 286.640295][ T25] ? __pfx___schedule+0x10/0x10 [ 286.640307][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.640322][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.640335][ T25] ? lock_release+0x4b/0x3c0 [ 286.640346][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.640360][ T25] schedule+0x164/0x360 [ 286.640371][ T25] schedule_preempt_disabled+0x13/0x30 [ 286.640383][ T25] __ww_mutex_lock+0x13a5/0x3350 [ 286.640398][ T25] ? __ww_mutex_lock+0x1008/0x3350 [ 286.640414][ T25] ? modeset_lock+0x2b4/0x630 [ 286.640467][ T25] ? __pfx___ww_mutex_lock+0x10/0x10 [ 286.640484][ T25] ? modeset_lock+0x2a9/0x630 [ 286.640499][ T25] ww_mutex_lock+0x3f/0x1b0 [ 286.640514][ T25] modeset_lock+0x2b4/0x630 [ 286.640529][ T25] drm_atomic_get_plane_state+0x1ec/0x720 [ 286.640548][ T25] drm_client_modeset_commit_atomic+0x227/0x7e0 [ 286.640566][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.640588][ T25] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 286.640610][ T25] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 286.640624][ T25] ? trace_irq_enable+0x3b/0x140 [ 286.640643][ T25] drm_client_modeset_commit_locked+0xcb/0x4d0 [ 286.640661][ T25] drm_fb_helper_pan_display+0x3e9/0xbe0 [ 286.640681][ T25] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 286.640695][ T25] fb_pan_display+0x3a3/0x6a0 [ 286.640711][ T25] bit_update_start+0x4c/0x1e0 [ 286.640727][ T25] fbcon_switch+0x130e/0x20b0 [ 286.640745][ T25] ? __pfx_fbcon_switch+0x10/0x10 [ 286.640762][ T25] ? __pfx_hide_cursor+0x10/0x10 [ 286.640780][ T25] ? is_console_locked+0x9/0x20 [ 286.640794][ T25] ? set_origin+0x346/0x480 [ 286.640811][ T25] redraw_screen+0x57b/0x1020 [ 286.640828][ T25] ? bit_clear_margins+0x334/0x560 [ 286.640843][ T25] ? __pfx_bit_clear_margins+0x10/0x10 [ 286.640858][ T25] ? __pfx_redraw_screen+0x10/0x10 [ 286.640877][ T25] fbcon_prepare_logo+0xa3b/0xe40 [ 286.640891][ T25] ? is_console_locked+0x9/0x20 [ 286.640905][ T25] ? con_is_bound+0x15e/0x1f0 [ 286.640923][ T25] set_con2fb_map+0xa68/0x1020 [ 286.640938][ T25] fbcon_fb_registered+0x24d/0x610 [ 286.640951][ T25] register_framebuffer+0x6e8/0x880 [ 286.640965][ T25] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 286.640978][ T25] ? __pfx_register_framebuffer+0x10/0x10 [ 286.640995][ T25] ? lock_release+0x4b/0x3c0 [ 286.641007][ T25] ? __drm_fb_helper_initial_config_and_unlock+0x14d8/0x1b50 [ 286.641022][ T25] __drm_fb_helper_initial_config_and_unlock+0x1555/0x1b50 [ 286.641041][ T25] ? __pfx___drm_fb_helper_initial_config_and_unlock+0x10/0x10 [ 286.641059][ T25] ? virtio_gpu_driver_open+0x12b/0x1a0 [ 286.641076][ T25] drm_fbdev_client_hotplug+0x16c/0x230 [ 286.641089][ T25] drm_client_register+0x16e/0x200 [ 286.641106][ T25] drm_fbdev_client_setup+0x1a0/0x450 [ 286.641117][ T25] ? drm_client_setup+0xb0/0x220 [ 286.641129][ T25] drm_client_setup+0x107/0x220 [ 286.641142][ T25] virtio_gpu_probe+0x229/0x290 [ 286.641156][ T25] virtio_dev_probe+0xdf6/0x10c0 [ 286.641174][ T25] ? up_write+0x19f/0x4a0 [ 286.641190][ T25] ? __pfx_virtio_dev_probe+0x10/0x10 [ 286.641243][ T25] ? driver_sysfs_add+0x1fe/0x210 [ 286.641259][ T25] ? __pfx_virtio_dev_probe+0x10/0x10 [ 286.641273][ T25] really_probe+0x254/0xae0 [ 286.641289][ T25] __driver_probe_device+0x1e8/0x360 [ 286.641305][ T25] driver_probe_device+0x4f/0x240 [ 286.641321][ T25] __driver_attach+0x339/0x600 [ 286.641337][ T25] bus_for_each_dev+0x23b/0x2c0 [ 286.641355][ T25] ? __pfx___driver_attach+0x10/0x10 [ 286.641369][ T25] ? __pfx_bus_for_each_dev+0x10/0x10 [ 286.641388][ T25] ? do_raw_spin_unlock+0x4d/0x210 [ 286.641406][ T25] bus_add_driver+0x345/0x670 [ 286.641427][ T25] driver_register+0x23a/0x320 [ 286.641444][ T25] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 286.641508][ T25] virtio_gpu_driver_init+0x96/0x110 [ 286.641527][ T25] do_one_initcall+0x250/0x870 [ 286.641544][ T25] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 286.641558][ T25] ? __pfx_do_one_initcall+0x10/0x10 [ 286.641574][ T25] ? clockevents_program_event+0x491/0x630 [ 286.641599][ T25] ? __pfx___schedule+0x10/0x10 [ 286.641612][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.641629][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.641643][ T25] ? trace_irq_enable+0x3b/0x140 [ 286.641662][ T25] ? irqentry_exit+0x218/0x8f0 [ 286.641676][ T25] ? trace_irq_disable+0x3b/0x140 [ 286.641698][ T25] ? parameq+0x14d/0x170 [ 286.641714][ T25] ? next_arg+0x4a0/0x5e0 [ 286.641730][ T25] ? parameq+0x14d/0x170 [ 286.641745][ T25] ? parse_args+0x9ff/0xb10 [ 286.641765][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.641780][ T25] do_initcall_level+0x10a/0x1a0 [ 286.641797][ T25] ? kernel_init+0x1d/0x1d0 [ 286.641814][ T25] do_initcalls+0x59/0xa0 [ 286.641829][ T25] kernel_init_freeable+0x29d/0x3e0 [ 286.641844][ T25] ? __pfx_kernel_init+0x10/0x10 [ 286.641861][ T25] kernel_init+0x1d/0x1d0 [ 286.641877][ T25] ? __pfx_kernel_init+0x10/0x10 [ 286.641894][ T25] ret_from_fork+0x514/0xb70 [ 286.641909][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 286.641922][ T25] ? __switch_to+0xc89/0x1420 [ 286.641942][ T25] ? __pfx_kernel_init+0x10/0x10 [ 286.641959][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.641979][ T25] [ 286.641991][ T25] INFO: task kworker/0:1:10 blocked for more than 143 seconds. [ 286.642002][ T25] Not tainted syzkaller #0 [ 286.642009][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.642015][ T25] task:kworker/0:1 state:D stack:26768 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 286.642061][ T25] Workqueue: events virtio_gpu_dequeue_ctrl_func [ 286.642082][ T25] Call Trace: [ 286.642087][ T25] [ 286.642094][ T25] __schedule+0x17d9/0x56c0 [ 286.642107][ T25] ? kasan_save_track+0x3e/0x80 [ 286.642121][ T25] ? kfree+0x1c5/0x640 [ 286.642135][ T25] ? worker_thread+0xa47/0xfb0 [ 286.642152][ T25] ? kthread+0x388/0x470 [ 286.642165][ T25] ? ret_from_fork+0x514/0xb70 [ 286.642177][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 286.642193][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.642210][ T25] ? __pfx___schedule+0x10/0x10 [ 286.642221][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.642236][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.642249][ T25] ? lock_release+0x4b/0x3c0 [ 286.642259][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.642272][ T25] ? schedule+0x90/0x360 [ 286.642283][ T25] ? trace_irq_enable+0x3b/0x140 [ 286.642303][ T25] schedule+0x164/0x360 [ 286.642316][ T25] schedule_preempt_disabled+0x13/0x30 [ 286.642329][ T25] __mutex_lock+0x7bf/0x1550 [ 286.642346][ T25] ? __mutex_lock+0x5d4/0x1550 [ 286.642361][ T25] ? drm_client_dev_hotplug+0xe1/0x4c0 [ 286.642378][ T25] ? __pfx___mutex_lock+0x10/0x10 [ 286.642395][ T25] ? drm_sysfs_hotplug_event+0x10e/0x150 [ 286.642413][ T25] ? __pfx_drm_sysfs_hotplug_event+0x10/0x10 [ 286.642431][ T25] drm_client_dev_hotplug+0xe1/0x4c0 [ 286.642448][ T25] ? __pfx_virtio_gpu_cmd_get_display_info_cb+0x10/0x10 [ 286.642468][ T25] virtio_gpu_dequeue_ctrl_func+0x4ec/0x8a0 [ 286.642487][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.642502][ T25] ? __pfx_virtio_gpu_dequeue_ctrl_func+0x10/0x10 [ 286.642519][ T25] ? lock_acquire+0x5f/0x350 [ 286.642531][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.642546][ T25] ? process_scheduled_works+0xa20/0x14e0 [ 286.642563][ T25] process_scheduled_works+0xa8e/0x14e0 [ 286.642596][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.642612][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.642629][ T25] ? assign_work+0x3cf/0x5d0 [ 286.642645][ T25] worker_thread+0xa47/0xfb0 [ 286.642667][ T25] ? __kthread_parkme+0x71/0x1f0 [ 286.642688][ T25] kthread+0x388/0x470 [ 286.642700][ T25] ? __pfx_worker_thread+0x10/0x10 [ 286.642715][ T25] ? __pfx_kthread+0x10/0x10 [ 286.642724][ T25] ret_from_fork+0x514/0xb70 [ 286.642733][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 286.642742][ T25] ? __switch_to+0xc89/0x1420 [ 286.642758][ T25] ? __pfx_kthread+0x10/0x10 [ 286.642771][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.642789][ T25] [ 286.642831][ T25] INFO: task kworker/0:2:803 blocked for more than 143 seconds. [ 286.642841][ T25] Not tainted syzkaller #0 [ 286.642848][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.642854][ T25] task:kworker/0:2 state:D stack:25304 pid:803 tgid:803 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 286.642896][ T25] Workqueue: events drm_fb_helper_damage_work [ 286.642914][ T25] Call Trace: [ 286.642919][ T25] [ 286.642925][ T25] __schedule+0x17d9/0x56c0 [ 286.642941][ T25] ? virtio_gpu_cmd_resource_flush+0x7c/0x330 [ 286.642963][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.642979][ T25] ? __pfx___schedule+0x10/0x10 [ 286.642990][ T25] ? schedule+0x90/0x360 [ 286.643003][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.643017][ T25] ? lock_release+0x4b/0x3c0 [ 286.643028][ T25] ? schedule+0x90/0x360 [ 286.643038][ T25] ? trace_irq_enable+0x3b/0x140 [ 286.643057][ T25] schedule+0x164/0x360 [ 286.643069][ T25] virtio_gpu_queue_fenced_ctrl_buffer+0x749/0x10c0 [ 286.643091][ T25] ? __pfx_virtio_gpu_queue_fenced_ctrl_buffer+0x10/0x10 [ 286.643112][ T25] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.643131][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.643145][ T25] ? virtio_gpu_cmd_resource_flush+0x7c/0x330 [ 286.643166][ T25] ? __asan_memset+0x22/0x50 [ 286.643181][ T25] virtio_gpu_primary_plane_update+0xc43/0x1310 [ 286.643201][ T25] ? drm_mode_copy+0x5e/0x90 [ 286.643215][ T25] ? __pfx_virtio_gpu_primary_plane_update+0x10/0x10 [ 286.643233][ T25] drm_atomic_helper_commit_planes+0x626/0xea0 [ 286.643253][ T25] drm_atomic_helper_commit_tail+0x60/0x510 [ 286.643268][ T25] ? ktime_get+0x1f5/0x220 [ 286.643287][ T25] commit_tail+0x2b1/0x3c0 [ 286.643303][ T25] drm_atomic_helper_commit+0xa77/0xb10 [ 286.643320][ T25] ? __pfx_drm_atomic_helper_commit+0x10/0x10 [ 286.643334][ T25] drm_atomic_commit+0x24e/0x2b0 [ 286.643352][ T25] ? __pfx_drm_atomic_commit+0x10/0x10 [ 286.643367][ T25] ? __pfx___drm_printfn_info+0x10/0x10 [ 286.643384][ T25] ? drm_modeset_unlock+0x38/0x100 [ 286.643400][ T25] drm_atomic_helper_dirtyfb+0xe2f/0xfd0 [ 286.643422][ T25] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 286.643444][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.643460][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.643473][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.643488][ T25] drm_fbdev_shmem_helper_fb_dirty+0x160/0x310 [ 286.643509][ T25] drm_fb_helper_damage_work+0x2a4/0x740 [ 286.643525][ T25] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 286.643540][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.643554][ T25] ? process_scheduled_works+0xa20/0x14e0 [ 286.643571][ T25] process_scheduled_works+0xa8e/0x14e0 [ 286.643600][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.643616][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.643634][ T25] ? assign_work+0x3cf/0x5d0 [ 286.643651][ T25] worker_thread+0xa47/0xfb0 [ 286.643671][ T25] ? __kthread_parkme+0x71/0x1f0 [ 286.643691][ T25] kthread+0x388/0x470 [ 286.643703][ T25] ? __pfx_worker_thread+0x10/0x10 [ 286.643719][ T25] ? __pfx_kthread+0x10/0x10 [ 286.643730][ T25] ret_from_fork+0x514/0xb70 [ 286.643744][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 286.643756][ T25] ? __switch_to+0xc89/0x1420 [ 286.643772][ T25] ? __pfx_kthread+0x10/0x10 [ 286.643784][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.643803][ T25] [ 286.643810][ T25] INFO: lockdep is turned off. [ 286.643824][ T25] Kernel panic - not syncing: hung_task: blocked tasks [ 286.643836][ T25] CPU: 0 UID: 0 PID: 25 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.643849][ T25] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 286.643857][ T25] Call Trace: [ 286.643863][ T25] [ 286.643868][ T25] vpanic+0x56c/0xa60 [ 286.643884][ T25] ? __pfx_vpanic+0x10/0x10 [ 286.643900][ T25] panic+0xc5/0xd0 [ 286.643914][ T25] ? __pfx_panic+0x10/0x10 [ 286.643926][ T25] ? sched_show_task+0x4b2/0x5f0 [ 286.643943][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.643959][ T25] watchdog+0x1030/0x1030 [ 286.643981][ T25] ? watchdog+0x1c7/0x1030 [ 286.643998][ T25] kthread+0x388/0x470 [ 286.644009][ T25] ? __pfx_watchdog+0x10/0x10 [ 286.644024][ T25] ? __pfx_kthread+0x10/0x10 [ 286.644036][ T25] ret_from_fork+0x514/0xb70 [ 286.644048][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 286.644059][ T25] ? __switch_to+0xc89/0x1420 [ 286.644076][ T25] ? __pfx_kthread+0x10/0x10 [ 286.644088][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.644105][ T25] [ 286.644534][ T25] Kernel Offset: disabled