failed to run ["ssh" "-p" "51724" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=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 51724 timed out ftruncate: Invalid argument qemu-system-x86_64: warning: hub 0 is not connected to host network [ 0.000000][ T0] Linux version 6.8.0-rc1-syzkaller-00029-g615d30064886 (syzkaller@syzkaller) (gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable [ 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] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 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 1.16.2-debian-1.16.2-1 04/01/2014 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000007][ T0] kvm-clock: using sched offset of 2373847879 cycles [ 0.005743][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.038020][ T0] tsc: Detected 2600.028 MHz processor [ 0.070720][ T0] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.089949][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.098516][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.110741][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.149958][ T0] found SMP MP-table at [mem 0x000f5b40-0x000f5b4f] [ 0.163977][ T0] Using GB pages for direct mapping [ 0.179383][ T0] ACPI: Early table checksum verification disabled [ 0.187952][ T0] ACPI: RSDP 0x00000000000F5960 000014 (v00 BOCHS ) [ 0.198257][ T0] ACPI: RSDT 0x000000007FFE286C 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.207330][ T0] ACPI: FACP 0x000000007FFE1A73 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.218323][ T0] ACPI: DSDT 0x000000007FFDF040 002A33 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.230691][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.236808][ T0] ACPI: APIC 0x000000007FFE1B67 0000B0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.245680][ T0] ACPI: HPET 0x000000007FFE1C17 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.254619][ T0] ACPI: SRAT 0x000000007FFE1C4F 000178 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.263925][ T0] ACPI: MCFG 0x000000007FFE1DC7 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.272969][ T0] ACPI: DMAR 0x000000007FFE1E03 0000C0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.281100][ T0] ACPI: SSDT 0x000000007FFE1EC3 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.290098][ T0] ACPI: NFIT 0x000000007FFE2764 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.299356][ T0] ACPI: WAET 0x000000007FFE2844 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.308168][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe1a73-0x7ffe1b66] [ 0.315494][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffdf040-0x7ffe1a72] [ 0.322841][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffdf000-0x7ffdf03f] [ 0.329544][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe1b67-0x7ffe1c16] [ 0.336983][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe1c17-0x7ffe1c4e] [ 0.343850][ T0] ACPI: Reserving SRAT table memory at [mem 0x7ffe1c4f-0x7ffe1dc6] [ 0.350111][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe1dc7-0x7ffe1e02] [ 0.356706][ T0] ACPI: Reserving DMAR table memory at [mem 0x7ffe1e03-0x7ffe1ec2] [ 0.364547][ T0] ACPI: Reserving SSDT table memory at [mem 0x7ffe1ec3-0x7ffe2763] [ 0.371092][ T0] ACPI: Reserving NFIT table memory at [mem 0x7ffe2764-0x7ffe2843] [ 0.378841][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe2844-0x7ffe286b] [ 0.387057][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.392022][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.397517][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.403201][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.408558][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.413446][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.418641][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.423747][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.428465][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.434791][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.441063][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x17fffffff] [ 0.448042][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x183ffffff] non-volatile [ 0.455792][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x57fffffff] hotplug [ 0.464521][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7fffffff] -> [mem 0x00000000-0x7fffffff] [ 0.476983][ T0] NUMA: Node 0 [mem 0x00000000-0x7fffffff] + [mem 0x100000000-0x17fffffff] -> [mem 0x00000000-0x17fffffff] [ 0.487725][ T0] Faking node 0 at [mem 0x0000000000000000-0x00000000ffffffff] (4096MB) [ 0.496128][ T0] Faking node 1 at [mem 0x0000000100000000-0x000000017fffffff] (2048MB) [ 0.505054][ T0] NODE_DATA(0) allocated [mem 0x7ffd7000-0x7ffdcfff] [ 0.512568][ T0] NODE_DATA(1) allocated [mem 0x17fff7000-0x17fffcfff] [ 0.539980][ T0] Zone ranges: [ 0.544901][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.551413][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.558249][ T0] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.564558][ T0] Device empty [ 0.568503][ T0] Movable zone start for each node [ 0.574590][ T0] Early memory node ranges [ 0.579114][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.587241][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdcfff] [ 0.594626][ T0] node 1: [mem 0x0000000100000000-0x000000017fffffff] [ 0.603715][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffdcfff] [ 0.612483][ T0] Initmem setup node 1 [mem 0x0000000100000000-0x000000017fffffff] [ 0.621372][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.629438][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.768616][ T0] On node 1, zone Normal: 35 pages in unavailable ranges [ 1.047723][ T0] kasan: KernelAddressSanitizer initialized [ 1.060890][ T0] ACPI: PM-Timer IO Port: 0x608 [ 1.065129][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.071672][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 1.078746][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 1.085892][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.092006][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.097836][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.105048][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.113227][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 1.119607][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 1.136665][ T0] TSC deadline timer available [ 1.140745][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 1.161299][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 1.168549][ T0] kvm-guest: KVM setup pv remote TLB flush [ 1.173582][ T0] kvm-guest: setup PV sched yield [ 1.190756][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.208228][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.216294][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.224804][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.243764][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdd000-0x7fffffff] [ 1.254453][ T0] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xafffffff] [ 1.266533][ T0] PM: hibernation: Registered nosave memory: [mem 0xb0000000-0xbfffffff] [ 1.276102][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfed1bfff] [ 1.286447][ T0] PM: hibernation: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff] [ 1.295943][ T0] PM: hibernation: Registered nosave memory: [mem 0xfed20000-0xfeffbfff] [ 1.304864][ T0] PM: hibernation: Registered nosave memory: [mem 0xfeffc000-0xfeffffff] [ 1.314091][ T0] PM: hibernation: Registered nosave memory: [mem 0xff000000-0xfffbffff] [ 1.322942][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffc0000-0xffffffff] [ 1.331727][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 1.338722][ T0] Booting paravirtualized kernel on KVM [ 1.344972][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.629910][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 1.639547][ T0] percpu: Embedded 72 pages/cpu s256584 r8192 d30136 u1048576 [ 1.663328][ T0] kvm-guest: PV spinlocks enabled [ 1.690915][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.699579][ 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=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=8 panic_on_warn=1 root=/dev/sda console=ttyS0 root=/dev/sda1 [ 1.806764][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl", will be passed to user space. [ 1.817450][ T0] random: crng init done [ 1.823619][ T0] Fallback order for Node 0: 0 1 [ 1.823644][ T0] Fallback order for Node 1: 1 0 [ 1.823664][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1031901 [ 1.843652][ T0] Policy zone: Normal [ 1.849598][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 1.857851][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 1.865929][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.885335][ T0] software IO TLB: area num 8. [ 2.557087][ T0] Memory: 3185716K/4193772K available (159744K kernel code, 38671K rwdata, 32888K rodata, 3428K init, 33496K bss, 1007800K reserved, 0K cma-reserved) [ 2.573706][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2 [ 2.655956][ T0] allocated 83886080 bytes of page_ext [ 2.662221][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.685861][ T0] Node 0, zone DMA32: page owner found early allocated 10354 pages [ 2.706192][ T0] Node 1, zone Normal: page owner found early allocated 10244 pages [ 2.715887][ T0] Dynamic Preempt: full [ 2.722806][ T0] Running RCU self tests [ 2.727005][ T0] Running RCU synchronous self tests [ 2.730990][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.747214][ T0] rcu: RCU lockdep checking is enabled. [ 2.752235][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 2.767750][ T0] rcu: RCU debug extended QS entry/exit. [ 2.772480][ T0] All grace periods are expedited (rcu_expedited). [ 2.779241][ T0] Trampoline variant of Tasks RCU enabled. [ 2.784592][ T0] Tracing variant of Tasks RCU enabled. [ 2.791398][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.800066][ T0] Running RCU synchronous self tests [ 2.998801][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 3.007627][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 3.017765][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88816da00000-0xffff88816dc00000 [ 3.081842][ T0] Console: colour VGA+ 80x25 [ 3.087863][ T0] printk: legacy console [ttyS0] enabled [ 3.087863][ T0] printk: legacy console [ttyS0] enabled [ 3.102226][ T0] printk: legacy bootconsole [earlyser0] disabled [ 3.102226][ T0] printk: legacy bootconsole [earlyser0] disabled [ 3.118532][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 3.129792][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 3.136265][ T0] ... MAX_LOCK_DEPTH: 48 [ 3.142346][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 3.147702][ T0] ... CLASSHASH_SIZE: 4096 [ 3.153443][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 3.159735][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 3.166148][ T0] ... CHAINHASH_SIZE: 131072 [ 3.171393][ T0] memory used by lock dependency info: 20721 kB [ 3.176786][ T0] memory used for stack traces: 8320 kB [ 3.181934][ T0] per task-struct memory footprint: 1920 bytes [ 3.190693][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 3.205534][ T0] ACPI: Core revision 20230628 [ 3.213654][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 3.226332][ T0] APIC: Switch to symmetric I/O mode setup [ 3.231919][ T0] DMAR: Host address width 39 [ 3.237512][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 3.244777][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c22260206 ecap f00f5e [ 3.262320][ T0] DMAR: ATSR flags: 0x1 [ 3.267300][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0 [ 3.273948][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 3.290604][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 3.296091][ T0] x2apic enabled [ 3.300557][ T0] APIC: Switched APIC routing to: cluster x2apic [ 3.306136][ T0] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 3.313507][ T0] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 3.323243][ T0] kvm-guest: setup PV IPIs [ 3.352876][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 3.359426][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x257a5699b94, max_idle_ns: 440795293402 ns [ 3.372347][ T0] Calibrating delay loop (skipped) preset value.. 5200.05 BogoMIPS (lpj=26000280) [ 3.384069][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 3.393612][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 3.402345][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 3.410745][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 3.412421][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 3.422361][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 3.432342][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 3.442344][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 3.449590][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 3.452413][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 3.462415][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 3.472345][ T0] GDS: Unknown: Dependent on hypervisor status [ 3.478232][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 3.482347][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 3.492344][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 3.498661][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 3.502383][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 3.512344][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 3.522346][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 3.527949][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 3.532345][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 3.538654][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 3.542343][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 3.577327][ T0] Freeing SMP alternatives memory: 120K [ 3.582350][ T0] pid_max: default: 32768 minimum: 301 [ 3.587629][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,selinux,integrity [ 3.592612][ T0] landlock: Up and running. [ 3.596946][ T0] Yama: becoming mindful. [ 3.602585][ T0] TOMOYO Linux initialized [ 3.605974][ T0] SELinux: Initializing. [ 3.617318][ T0] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 3.634808][ T0] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 3.642912][ T0] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 3.650051][ T0] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 3.668820][ T0] Running RCU synchronous self tests [ 3.672351][ T0] Running RCU synchronous self tests [ 3.678924][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.60GHz (family: 0x6, model: 0x6a, stepping: 0x6) [ 3.703689][ T1] RCU Tasks: Setting shift to 3 and lim to 1 rcu_task_cb_adjust=1. [ 3.710752][ T1] RCU Tasks Trace: Setting shift to 3 and lim to 1 rcu_task_cb_adjust=1. [ 3.713021][ T1] Running RCU Tasks wait API self tests [ 3.832602][ T1] Running RCU Tasks Trace wait API self tests [ 3.836801][ T1] Performance Events: unsupported p6 CPU model 106 no PMU driver, software events only. [ 3.842489][ T1] signal: max sigframe size: 3632 [ 3.852462][ T15] Callback from call_rcu_tasks_trace() invoked. [ 3.857959][ T1] rcu: Hierarchical SRCU implementation. [ 3.862361][ T1] rcu: Max phase no-delay instances is 1000. [ 3.894165][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 3.912451][ T1] smp: Bringing up secondary CPUs ... [ 3.943426][ T1] smpboot: x86: Booting SMP configuration: [ 3.948729][ T1] .... node #0, CPUs: #2 [ 3.955537][ T1] #1 #3 [ 4.003524][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 4.022898][ T1] smp: Brought up 2 nodes, 4 CPUs [ 4.027512][ T1] smpboot: Max logical packages: 2 [ 4.032380][ T1] smpboot: Total of 4 processors activated (20800.22 BogoMIPS) [ 4.068452][ T1] devtmpfs: initialized [ 4.068452][ T1] x86/mm: Memory block size: 128MB [ 4.072632][ T14] Callback from call_rcu_tasks() invoked. [ 4.139035][ T1] Running RCU synchronous self tests [ 4.142510][ T1] Running RCU synchronous self tests [ 4.146734][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 4.153736][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 4.173385][ T1] PM: RTC time: 01:26:48, date: 2024-01-24 [ 4.177986][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 4.192184][ T1] audit: initializing netlink subsys (disabled) [ 4.203402][ T38] audit: type=2000 audit(1706059609.009:1): state=initialized audit_enabled=0 res=1 [ 4.219566][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 4.219591][ T1] thermal_sys: Registered thermal governor 'user_space' [ 4.222922][ T1] cpuidle: using governor menu [ 4.232500][ T1] NET: Registered PF_QIPCRTR protocol family [ 4.268132][ T1] dca service started, version 1.12.1 [ 4.273331][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff] [ 4.280863][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry [ 4.452128][ T1] PCI: Using configuration type 1 for base access [ 4.571229][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 4.572403][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 4.578807][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 4.582420][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 4.619125][ T1] cryptd: max_cpu_qlen set to 1000 [ 4.635672][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 4.642388][ T1] raid6: using avx512x2 recovery algorithm [ 4.649874][ T1] ACPI: Added _OSI(Module Device) [ 4.652324][ T1] ACPI: Added _OSI(Processor Device) [ 4.662386][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.682381][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 5.076504][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 5.214360][ T1] ACPI: _OSC evaluation for CPUs failed, trying _PDC [ 5.235494][ T1] ACPI: Interpreter enabled [ 5.240616][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 5.252439][ T1] ACPI: Using IOAPIC for interrupt routing [ 5.259576][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.262378][ T1] PCI: Using E820 reservations for host bridge windows [ 5.279209][ T1] ACPI: Enabled 4 GPEs in block 00 to 3F [ 5.721441][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.732560][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 5.749467][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR] [ 5.767321][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability] [ 5.777694][ T1] PCI host bridge to bus 0000:00 [ 5.782398][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 5.788389][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.792831][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.812459][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.822324][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 5.822324][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.822324][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 5.822409][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.831592][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint [ 5.853456][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 5.864576][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfd800000-0xfdffffff pref] [ 5.892324][ T1] pci 0000:00:01.0: BAR 2 [mem 0xfe200000-0xfe203fff 64bit pref] [ 5.912538][ T1] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 5.939506][ T1] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref] [ 5.942324][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 5.971607][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint [ 5.985840][ T1] pci 0000:00:02.0: BAR 0 [mem 0xfea80000-0xfea9ffff] [ 5.992324][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfeaa0000-0xfeabffff] [ 6.003789][ T1] pci 0000:00:02.0: BAR 2 [io 0xc080-0xc09f] [ 6.026614][ T1] pci 0000:00:02.0: BAR 3 [mem 0xfeaf0000-0xfeaf3fff] [ 6.047801][ T1] pci 0000:00:02.0: ROM [mem 0xfea00000-0xfea3ffff pref] [ 6.073429][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 6.085524][ T1] pci 0000:00:03.0: BAR 0 [io 0xc0a0-0xc0bf] [ 6.094898][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfeaf5000-0xfeaf5fff] [ 6.111463][ T1] pci 0000:00:03.0: BAR 4 [mem 0xfe204000-0xfe207fff 64bit pref] [ 6.126914][ T1] pci 0000:00:04.0: [8086:3420] type 01 class 0x060400 PCIe Root Port [ 6.142362][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 6.147805][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 6.153562][ T1] pci 0000:00:04.0: bridge window [mem 0xfe000000-0xfe1fffff 64bit pref] [ 6.170422][ T1] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint [ 6.174777][ T1] pci 0000:00:05.0: BAR 0 [io 0xc0c0-0xc0df] [ 6.180866][ T1] pci 0000:00:05.0: BAR 1 [mem 0xfeaf6000-0xfeaf6fff] [ 6.195616][ T1] pci 0000:00:05.0: BAR 4 [mem 0xfe208000-0xfe20bfff 64bit pref] [ 6.216637][ T1] pci 0000:00:06.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 6.252369][ T1] pci 0000:00:06.0: BAR 0 [mem 0xfeac0000-0xfeadffff] [ 6.259209][ T1] pci 0000:00:06.0: BAR 1 [io 0xc000-0xc03f] [ 6.274628][ T1] pci 0000:00:06.0: ROM [mem 0xfea40000-0xfea7ffff pref] [ 6.313620][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 conventional PCI endpoint [ 6.342879][ T1] pci 0000:00:1d.0: BAR 4 [io 0xc0e0-0xc0ff] [ 6.365271][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 conventional PCI endpoint [ 6.379832][ T1] pci 0000:00:1d.1: BAR 4 [io 0xc100-0xc11f] [ 6.407341][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 conventional PCI endpoint [ 6.419106][ T1] pci 0000:00:1d.2: BAR 4 [io 0xc120-0xc13f] [ 6.437442][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 conventional PCI endpoint [ 6.444102][ T1] pci 0000:00:1d.7: BAR 0 [mem 0xfeaf7000-0xfeaf7fff] [ 6.474051][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint [ 6.482186][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 6.502324][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint [ 6.512324][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc140-0xc15f] [ 6.513081][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfeaf8000-0xfeaf8fff] [ 6.522324][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint [ 6.537832][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f] [ 6.554560][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 6.577780][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 6.590419][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 6.608750][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 6.618939][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 6.630565][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10 [ 6.640855][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10 [ 6.651130][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11 [ 6.658078][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11 [ 6.664220][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16 [ 6.673418][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17 [ 6.683532][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18 [ 6.693544][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19 [ 6.699590][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20 [ 6.703449][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21 [ 6.709805][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22 [ 6.714413][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23 [ 6.832425][ T1] iommu: Default domain type: Translated [ 6.836707][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 6.846685][ T1] SCSI subsystem initialized [ 6.875050][ T1] ACPI: bus type USB registered [ 6.893206][ T1] usbcore: registered new interface driver usbfs [ 6.898930][ T1] usbcore: registered new interface driver hub [ 6.902792][ T1] usbcore: registered new device driver usb [ 6.924111][ T1] mc: Linux media interface: v0.10 [ 6.929012][ T1] videodev: Linux video capture interface: v2.00 [ 6.933597][ T1] pps_core: LinuxPPS API ver. 1 registered [ 6.938050][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.942548][ T1] PTP clock support registered [ 6.951403][ T1] EDAC MC: Ver: 3.0.0 [ 6.956524][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 6.962324][ T1] Bluetooth: Core ver 2.22 [ 6.962324][ T1] NET: Registered PF_BLUETOOTH protocol family [ 6.972378][ T1] Bluetooth: HCI device and connection manager initialized [ 6.978792][ T1] Bluetooth: HCI socket layer initialized [ 6.992470][ T1] Bluetooth: L2CAP socket layer initialized [ 6.997351][ T1] Bluetooth: SCO socket layer initialized [ 7.002524][ T1] NET: Registered PF_ATMPVC protocol family [ 7.009677][ T1] NET: Registered PF_ATMSVC protocol family [ 7.013016][ T1] NetLabel: Initializing [ 7.017073][ T1] NetLabel: domain hash size = 128 [ 7.022002][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 7.033261][ T1] NetLabel: unlabeled traffic allowed by default [ 7.044871][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 7.049328][ T1] NET: Registered PF_NFC protocol family [ 7.052603][ T1] PCI: Using ACPI for IRQ routing [ 7.712705][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 7.719399][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 7.722324][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 7.732457][ T1] vgaarb: loaded [ 7.744927][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 7.752395][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 7.799292][ T1] clocksource: Switched to clocksource kvm-clock [ 7.809762][ T1] VFS: Disk quotas dquot_6.6.0 [ 7.814497][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.841429][ T1] netfs: FS-Cache loaded [ 7.849412][ T1] CacheFiles: Loaded [ 7.853684][ T1] TOMOYO: 2.6.0 [ 7.866273][ T1] Mandatory Access Control activated. [ 7.870675][ T1] pnp: PnP ACPI init [ 7.884170][ T1] system 00:06: [mem 0xb0000000-0xbfffffff window] has been reserved [ 7.923767][ T1] pnp: PnP ACPI: found 7 devices [ 8.015797][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.024258][ T1] NET: Registered PF_INET protocol family [ 8.033410][ T1] IP idents hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 8.050832][ T1] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 147456 bytes, vmalloc) [ 8.059681][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 8.070777][ T1] TCP established hash table entries: 32768 (order: 6, 262144 bytes, vmalloc) [ 8.086923][ T1] TCP bind hash table entries: 32768 (order: 10, 4718592 bytes, vmalloc hugepage) [ 8.100240][ T1] TCP: Hash tables configured (established 32768 bind 32768) [ 8.119148][ T1] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, vmalloc) [ 8.128482][ T1] UDP hash table entries: 2048 (order: 6, 327680 bytes, vmalloc) [ 8.138456][ T1] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, vmalloc) [ 8.148799][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 8.176380][ T1] RPC: Registered named UNIX socket transport module. [ 8.184573][ T1] RPC: Registered udp transport module. [ 8.189721][ T1] RPC: Registered tcp transport module. [ 8.195512][ T1] RPC: Registered tcp-with-tls transport module. [ 8.201144][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.214714][ T1] NET: Registered PF_XDP protocol family [ 8.220405][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000 [ 8.230365][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]: assigned [ 8.238766][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 8.243613][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff] [ 8.251090][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 8.258881][ T1] pci 0000:00:04.0: bridge window [mem 0xfe000000-0xfe1fffff 64bit pref] [ 8.268527][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 8.282761][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 8.304502][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 8.318271][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 8.330426][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 8.355712][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 8.366830][ T1] pci_bus 0000:01: resource 0 [io 0x1000-0x1fff] [ 8.384869][ T1] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff] [ 8.411211][ T1] pci_bus 0000:01: resource 2 [mem 0xfe000000-0xfe1fffff 64bit pref] [ 8.506239][ T1] ACPI: \_SB_.GSIA: Enabled at IRQ 16 [ 8.597252][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1430 took 153937 usecs [ 8.657718][ T1] ACPI: \_SB_.GSIB: Enabled at IRQ 17 [ 8.720474][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1430 took 113466 usecs [ 8.782522][ T1] ACPI: \_SB_.GSIC: Enabled at IRQ 18 [ 8.873366][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1430 took 138074 usecs [ 8.937518][ T1] ACPI: \_SB_.GSID: Enabled at IRQ 19 [ 8.992612][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1430 took 106415 usecs [ 9.001773][ T1] PCI: CLS 0 bytes, default 64 [ 9.007530][ T1] DMAR: No RMRR found [ 9.011571][ T1] DMAR: No SATC found [ 9.017177][ T1] DMAR: dmar0: Using Queued invalidation [ 9.024192][ T1] pci 0000:00:00.0: Adding to iommu group 0 [ 9.029451][ T1] pci 0000:00:01.0: Adding to iommu group 1 [ 9.042380][ T72] kworker/u16:2 (72) used greatest stack depth: 27760 bytes left [ 9.047737][ T1] pci 0000:00:02.0: Adding to iommu group 2 [ 9.048146][ T1] pci 0000:00:03.0: Adding to iommu group 3 [ 9.048463][ T1] pci 0000:00:04.0: Adding to iommu group 4 [ 9.048829][ T1] pci 0000:00:05.0: Adding to iommu group 5 [ 9.049138][ T1] pci 0000:00:06.0: Adding to iommu group 6 [ 9.049600][ T1] pci 0000:00:1d.0: Adding to iommu group 7 [ 9.049805][ T1] pci 0000:00:1d.1: Adding to iommu group 7 [ 9.050010][ T1] pci 0000:00:1d.2: Adding to iommu group 7 [ 9.050268][ T1] pci 0000:00:1d.7: Adding to iommu group 7 [ 9.050698][ T1] pci 0000:00:1f.0: Adding to iommu group 8 [ 9.050912][ T1] pci 0000:00:1f.2: Adding to iommu group 8 [ 9.051125][ T1] pci 0000:00:1f.3: Adding to iommu group 8 [ 9.202563][ T1] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 9.211329][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 9.217092][ T1] software IO TLB: mapped [mem 0x0000000067600000-0x000000006b600000] (64MB) [ 9.225707][ T1] ACPI: bus type thunderbolt registered [ 9.236221][ T74] kworker/u16:3 (74) used greatest stack depth: 27328 bytes left [ 9.243794][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 9.607562][ T1] kvm_amd: CPU 3 isn't AMD or Hygon [ 9.611675][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x257a5699b94, max_idle_ns: 440795293402 ns [ 9.670579][ T1] clocksource: Switched to clocksource tsc [ 9.767157][ T91] kworker/u16:0 (91) used greatest stack depth: 27136 bytes left [ 9.847941][ T1] Initialise system trusted keyrings [ 9.869162][ T1] workingset: timestamp_bits=40 max_order=20 bucket_order=0 [ 9.889016][ T1] DLM installed [ 9.897475][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 9.917945][ T1] NFS: Registering the id_resolver key type [ 9.923061][ T1] Key type id_resolver registered [ 9.928367][ T1] Key type id_legacy registered [ 9.933029][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 9.940852][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 9.970395][ T1] Key type cifs.spnego registered [ 9.974993][ T1] Key type cifs.idmap registered [ 9.979788][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 9.985233][ T1] ntfs3: Max link count 4000 [ 10.001607][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 10.006148][ T1] ntfs3: Read-only LZX/Xpress compression included [ 10.022595][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 10.036878][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 10.047585][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 10.052904][ T1] QNX4 filesystem 0.2.3 registered. [ 10.057168][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 10.062809][ T1] fuse: init (API version 7.39) [ 10.071101][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 10.079339][ T1] orangefs_init: module version upstream loaded [ 10.086511][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 10.134377][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 10.159971][ T1] 9p: Installing v9fs 9p2000 file system support [ 10.172891][ T1] NILFS version 2 loaded [ 10.177060][ T1] befs: version: 0.9.3 [ 10.181606][ T1] ocfs2: Registered cluster interface o2cb [ 10.188867][ T1] ocfs2: Registered cluster interface user [ 10.211651][ T1] OCFS2 User DLM kernel interface loaded [ 10.253032][ T1] gfs2: GFS2 installed [ 10.275041][ T1] ceph: loaded (mds proto 32) [ 10.329981][ T1] NET: Registered PF_ALG protocol family [ 10.337800][ T1] xor: automatically using best checksumming function avx [ 10.346965][ T1] async_tx: api initialized (async) [ 10.351388][ T1] Key type asymmetric registered [ 10.356278][ T1] Asymmetric key parser 'x509' registered [ 10.361645][ T1] Asymmetric key parser 'pkcs8' registered [ 10.366810][ T1] Key type pkcs7_test registered [ 10.373495][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 10.384996][ T1] io scheduler mq-deadline registered [ 10.389991][ T1] io scheduler kyber registered [ 10.397687][ T1] io scheduler bfq registered [ 10.483102][ T1] ACPI: \_SB_.GSIE: Enabled at IRQ 20 [ 10.498190][ T1] pcieport 0000:00:04.0: PME: Signaling with IRQ 25 [ 10.532805][ T1] pcieport 0000:00:04.0: AER: enabled with IRQ 26 [ 10.562853][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 10.577775][ T1] ACPI: button: Power Button [PWRF] [ 11.246859][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 11.333451][ T1] ACPI: \_SB_.GSIF: Enabled at IRQ 21 [ 11.485853][ T1] ACPI: \_SB_.GSIH: Enabled at IRQ 23 [ 12.058494][ T521] kworker/u16:2 (521) used greatest stack depth: 26752 bytes left [ 12.315035][ T1] N_HDLC line discipline registered with maxframe=4096 [ 12.333443][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 12.357565][ T1] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 12.446791][ T1] Non-volatile memory driver v1.3 [ 12.467966][ T1] Linux agpgart interface v0.103 [ 12.498030][ T1] ACPI: bus type drm_connector registered [ 12.520848][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 12.538906][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 12.684709][ T1] Console: switching to colour frame buffer device 128x48 [ 12.726673][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 12.733669][ T1] usbcore: registered new interface driver udl [ 12.743097][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 12.752522][ T1] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [ 12.763787][ T1] [drm] features: -virgl +edid -resource_blob -host_visible [ 12.763810][ T1] [drm] features: -context_init [ 12.789078][ T1] [drm] number of scanouts: 1 [ 12.792523][ T1] [drm] number of cap sets: 0 [ 12.807475][ T1] [drm] Initialized virtio_gpu 0.1.0 0 for 0000:00:01.0 on minor 2 [ 12.825283][ C1] vkms_vblank_simulate: vblank timer overrun [ 12.879489][ T1] fbcon: virtio_gpudrmfb (fb1) is primary device [ 12.879513][ T1] fbcon: Remapping primary device, fb1, to tty 1-63 [ 13.065117][ C1] vkms_vblank_simulate: vblank timer overrun [ 287.895354][ T39] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 287.895387][ T39] Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0 [ 287.895400][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.895408][ T39] task:swapper/0 state:D stack:22288 pid:1 tgid:1 ppid:0 flags:0x00004000 [ 287.895444][ T39] Call Trace: [ 287.895453][ T39] [ 287.895462][ T39] __schedule+0xf12/0x5c00 [ 287.895492][ T39] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 287.895527][ T39] ? io_schedule_timeout+0x150/0x150 [ 287.895548][ T39] ? schedule+0x1fc/0x270 [ 287.895566][ T39] ? reacquire_held_locks+0x4c0/0x4c0 [ 287.895595][ T39] ? mark_held_locks+0x9f/0xe0 [ 287.895624][ T39] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 287.895651][ T39] ? prepare_to_wait_event+0x96/0x690 [ 287.895681][ T39] ? lockdep_hardirqs_on+0x7d/0x110 [ 287.895704][ T39] schedule+0xe9/0x270 [ 287.895724][ T39] virtio_gpu_queue_fenced_ctrl_buffer+0x497/0xff0 [ 287.895754][ T39] ? virtio_gpu_notify+0x170/0x170 [ 287.895785][ T39] ? rcu_is_watching+0x12/0xb0 [ 287.895844][ T39] ? trace_kmem_cache_alloc+0x26/0xa0 [ 287.895891][ T39] ? prepare_to_swait_exclusive+0x240/0x240 [ 287.895923][ T39] ? virtio_gpu_cmd_resource_flush+0x85/0x220 [ 287.895947][ T39] virtio_gpu_primary_plane_update+0x1059/0x1590 [ 287.895977][ T39] ? virtio_gpu_cursor_plane_update+0xd10/0xd10 [ 287.896003][ T39] ? drm_crtc_next_vblank_start+0x257/0x2f0 [ 287.896034][ T39] drm_atomic_helper_commit_planes+0x92f/0xfe0 [ 287.896066][ T39] drm_atomic_helper_commit_tail+0x69/0xf0 [ 287.896096][ T39] commit_tail+0x353/0x410 [ 287.896125][ T39] drm_atomic_helper_commit+0x2f9/0x380 [ 287.896154][ T39] ? drm_atomic_helper_setup_commit+0x1600/0x1600 [ 287.896184][ T39] drm_atomic_commit+0x20b/0x2d0 [ 287.896210][ T39] ? drm_atomic_nonblocking_commit+0x180/0x180 [ 287.896238][ T39] ? __drm_printfn_seq_file+0x50/0x50 [ 287.896260][ T39] ? drm_client_rotation+0x4d9/0x6a0 [ 287.896291][ T39] drm_client_modeset_commit_atomic+0x6c2/0x810 [ 287.896326][ T39] ? drm_client_rotation+0x6a0/0x6a0 [ 287.896359][ T39] ? bit_wait_io_timeout+0x160/0x160 [ 287.896383][ T39] drm_client_modeset_commit_locked+0x14d/0x580 [ 287.896413][ T39] drm_fb_helper_pan_display+0x2a5/0x990 [ 287.896442][ T39] fb_pan_display+0x477/0x7c0 [ 287.896465][ T39] ? drm_fb_helper_ioctl+0x190/0x190 [ 287.896490][ T39] bit_update_start+0x49/0x1f0 [ 287.896518][ T39] fbcon_switch+0xbb3/0x12e0 [ 287.896547][ T39] ? fbcon_update_vcs+0x50/0x50 [ 287.896577][ T39] ? bit_putcs+0xde0/0xde0 [ 287.896603][ T39] ? fbcon_cursor+0x3e0/0x540 [ 287.896631][ T39] ? is_console_locked+0x9/0x10 [ 287.896658][ T39] ? con_is_visible+0x65/0x150 [ 287.896690][ T39] redraw_screen+0x2bd/0x750 [ 287.896709][ T39] ? fb_destroy_modelist+0x200/0x200 [ 287.896733][ T39] ? lf+0x2c0/0x2c0 [ 287.896750][ T39] ? fb_get_color_depth+0x120/0x240 [ 287.896781][ T39] fbcon_prepare_logo+0x9f8/0xc80 [ 287.896813][ T39] ? __drm_fb_helper_restore_fbdev_mode_unlocked+0x170/0x170 [ 287.896842][ T39] set_con2fb_map+0xcea/0x1050 [ 287.896869][ T39] fbcon_fb_registered+0x21d/0x660 [ 287.896897][ T39] ? fb_var_to_videomode+0x4c9/0x690 [ 287.896922][ T39] register_framebuffer+0x4b2/0x860 [ 287.896947][ T39] ? fb_set_var+0x1150/0x1150 [ 287.896971][ T39] ? drm_fbdev_generic_helper_fb_probe+0x4e2/0x6d0 [ 287.897000][ T39] __drm_fb_helper_initial_config_and_unlock+0xd7c/0x1650 [ 287.897035][ T39] ? mutex_trylock+0x130/0x130 [ 287.897057][ T39] ? drm_fb_helper_find_color_mode_format.isra.0+0x210/0x210 [ 287.897090][ T39] drm_fb_helper_initial_config+0x44/0x60 [ 287.897120][ T39] drm_fbdev_generic_client_hotplug+0x19e/0x270 [ 287.897147][ T39] ? drm_panel_bridge_add+0x2a0/0x2a0 [ 287.897173][ T39] drm_client_register+0x195/0x280 [ 287.897205][ T39] drm_fbdev_generic_setup+0x184/0x340 [ 287.897233][ T39] virtio_gpu_probe+0x1be/0x3c0 [ 287.897264][ T39] virtio_dev_probe+0x5e4/0x980 [ 287.897287][ T39] ? virtio_features_ok+0x240/0x240 [ 287.897309][ T39] really_probe+0x234/0xc90 [ 287.897327][ T39] __driver_probe_device+0x1de/0x4b0 [ 287.897344][ T39] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 287.897367][ T39] driver_probe_device+0x4c/0x1a0 [ 287.897384][ T39] __driver_attach+0x274/0x570 [ 287.897401][ T39] ? __device_attach_driver+0x300/0x300 [ 287.897418][ T39] bus_for_each_dev+0x13c/0x1d0 [ 287.897444][ T39] ? bus_remove_file+0x50/0x50 [ 287.897468][ T39] bus_add_driver+0x2e9/0x630 [ 287.897494][ T39] ? udl_driver_init+0x20/0x20 [ 287.897519][ T39] driver_register+0x15c/0x4a0 [ 287.897538][ T39] do_one_initcall+0x11c/0x650 [ 287.897563][ T39] ? trace_event_raw_event_initcall_level+0x200/0x200 [ 287.897588][ T39] ? trace_kmalloc+0x26/0xa0 [ 287.897603][ T39] ? __kmalloc+0x218/0x440 [ 287.897622][ T39] kernel_init_freeable+0x687/0xc10 [ 287.897649][ T39] ? rest_init+0x2b0/0x2b0 [ 287.897669][ T39] kernel_init+0x1c/0x2a0 [ 287.897689][ T39] ? rest_init+0x2b0/0x2b0 [ 287.897707][ T39] ret_from_fork+0x45/0x80 [ 287.897729][ T39] ? rest_init+0x2b0/0x2b0 [ 287.897749][ T39] ret_from_fork_asm+0x11/0x20 [ 287.897779][ T39] [ 287.897790][ T39] INFO: task kworker/0:0:8 blocked for more than 143 seconds. [ 287.897801][ T39] Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0 [ 287.897812][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.897818][ T39] task:kworker/0:0 state:D stack:28208 pid:8 tgid:8 ppid:2 flags:0x00004000 [ 287.897850][ T39] Workqueue: events virtio_gpu_dequeue_ctrl_func [ 287.897870][ T39] Call Trace: [ 287.897877][ T39] [ 287.897883][ T39] __schedule+0xf12/0x5c00 [ 287.897900][ T39] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 287.897928][ T39] ? io_schedule_timeout+0x150/0x150 [ 287.897945][ T39] ? schedule+0x1fc/0x270 [ 287.897961][ T39] ? reacquire_held_locks+0x4c0/0x4c0 [ 287.897985][ T39] ? __mutex_lock+0x5b4/0x9d0 [ 287.898002][ T39] ? __mutex_trylock_common+0x78/0x250 [ 287.898024][ T39] schedule+0xe9/0x270 [ 287.898040][ T39] schedule_preempt_disabled+0x13/0x20 [ 287.898058][ T39] __mutex_lock+0x5b9/0x9d0 [ 287.898076][ T39] ? kfree+0x231/0x360 [ 287.898092][ T39] ? drm_client_dev_hotplug+0x169/0x3c0 [ 287.898117][ T39] ? mutex_trylock+0x130/0x130 [ 287.898134][ T39] ? kobject_uevent_env+0x2c8/0x1800 [ 287.898160][ T39] ? virtio_gpu_cmd_get_display_info_cb+0x3a1/0x550 [ 287.898180][ T39] ? drm_client_dev_hotplug+0x169/0x3c0 [ 287.898204][ T39] drm_client_dev_hotplug+0x169/0x3c0 [ 287.898230][ T39] ? _raw_spin_unlock_irqrestore+0x5d/0x70 [ 287.898253][ T39] virtio_gpu_cmd_get_display_info_cb+0x3e1/0x550 [ 287.898274][ T39] ? virtio_gpu_cmd_unref_cb+0x50/0x50 [ 287.898291][ T39] virtio_gpu_dequeue_ctrl_func+0x21b/0x9a0 [ 287.898311][ T39] ? virtio_gpu_free_vbufs+0x80/0x80 [ 287.898330][ T39] process_one_work+0x886/0x15d0 [ 287.898354][ T39] ? lock_sync+0x190/0x190 [ 287.898377][ T39] ? workqueue_congested+0x300/0x300 [ 287.898399][ T39] ? assign_work+0x1a0/0x250 [ 287.898420][ T39] worker_thread+0x8b9/0x1290 [ 287.898444][ T39] ? process_one_work+0x15d0/0x15d0 [ 287.898465][ T39] kthread+0x2c6/0x3a0 [ 287.898484][ T39] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.898505][ T39] ? kthread_complete_and_exit+0x40/0x40 [ 287.898526][ T39] ret_from_fork+0x45/0x80 [ 287.898546][ T39] ? kthread_complete_and_exit+0x40/0x40 [ 287.898566][ T39] ret_from_fork_asm+0x11/0x20 [ 287.898591][ T39] [ 287.898608][ T39] INFO: task kworker/1:1:55 blocked for more than 143 seconds. [ 287.898618][ T39] Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0 [ 287.898628][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.898634][ T39] task:kworker/1:1 state:D stack:27648 pid:55 tgid:55 ppid:2 flags:0x00004000 [ 287.898663][ T39] Workqueue: events drm_fb_helper_damage_work [ 287.898687][ T39] Call Trace: [ 287.898693][ T39] [ 287.898699][ T39] __schedule+0xf12/0x5c00 [ 287.898716][ T39] ? print_usage_bug.part.0+0x550/0x550 [ 287.898740][ T39] ? do_raw_spin_unlock+0x173/0x230 [ 287.898756][ T39] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 287.898784][ T39] ? io_schedule_timeout+0x150/0x150 [ 287.898801][ T39] ? schedule+0x1fc/0x270 [ 287.898817][ T39] ? reacquire_held_locks+0x4c0/0x4c0 [ 287.898842][ T39] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.898863][ T39] ? lockdep_hardirqs_on+0x7d/0x110 [ 287.898882][ T39] schedule+0xe9/0x270 [ 287.898897][ T39] schedule_preempt_disabled+0x13/0x20 [ 287.898916][ T39] __mutex_lock+0x5b9/0x9d0 [ 287.898934][ T39] ? drm_fbdev_generic_helper_fb_dirty+0x255/0xbb0 [ 287.898958][ T39] ? mutex_trylock+0x130/0x130 [ 287.898976][ T39] ? hlock_class+0x4e/0x130 [ 287.898996][ T39] ? mark_lock+0xb5/0xc50 [ 287.899020][ T39] ? print_usage_bug.part.0+0x550/0x550 [ 287.899046][ T39] ? drm_fbdev_generic_helper_fb_dirty+0x255/0xbb0 [ 287.899069][ T39] drm_fbdev_generic_helper_fb_dirty+0x255/0xbb0 [ 287.899092][ T39] ? drm_fb_helper_damage_work+0x234/0x5e0 [ 287.899115][ T39] ? drm_fbdev_generic_client_unregister+0x80/0x80 [ 287.899138][ T39] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 287.899158][ T39] drm_fb_helper_damage_work+0x283/0x5e0 [ 287.899178][ T39] ? pan_set+0x1d0/0x1d0 [ 287.899200][ T39] process_one_work+0x886/0x15d0 [ 287.899220][ T39] ? pan_set+0x1d0/0x1d0 [ 287.899241][ T39] ? workqueue_congested+0x300/0x300 [ 287.899304][ T39] ? assign_work+0x1a0/0x250 [ 287.899325][ T39] worker_thread+0x8b9/0x1290 [ 287.899345][ T39] ? __kthread_parkme+0x14b/0x220 [ 287.899361][ T39] ? process_one_work+0x15d0/0x15d0 [ 287.899381][ T39] kthread+0x2c6/0x3a0 [ 287.899399][ T39] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.899418][ T39] ? kthread_complete_and_exit+0x40/0x40 [ 287.899437][ T39] ret_from_fork+0x45/0x80 [ 287.899456][ T39] ? kthread_complete_and_exit+0x40/0x40 [ 287.899475][ T39] ret_from_fork_asm+0x11/0x20 [ 287.899498][ T39] [ 287.899527][ T39] [ 287.899527][ T39] Showing all locks held in the system: [ 287.899533][ T39] 10 locks held by swapper/0/1: [ 287.899544][ T39] #0: ffff88801bcf8170 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x269/0x570 [ 287.899591][ T39] #1: ffff88801d7b42f8 (&dev->clientlist_mutex){+.+.}-{3:3}, at: drm_client_register+0x54/0x280 [ 287.899642][ T39] #2: ffffffff8dcbfe88 (registration_lock){+.+.}-{3:3}, at: register_framebuffer+0x7a/0x860 [ 287.899689][ T39] #3: ffffffff8d196720 (console_lock){+.+.}-{0:0}, at: fbcon_fb_registered+0x3c/0x660 [ 287.899737][ T39] #4: ffff8880198f4280 (&helper->lock){+.+.}-{3:3}, at: drm_fb_helper_pan_display+0xd5/0x990 [ 287.899791][ T39] #5: ffff88801d7b41b0 (&dev->master_mutex){+.+.}-{3:3}, at: drm_master_internal_acquire+0x21/0x70 [ 287.899840][ T39] #6: ffff8880198f4098 (&client->modeset_mutex){+.+.}-{3:3}, at: drm_client_modeset_commit_locked+0x4c/0x580 [ 287.899891][ T39] #7: ffffc90000047278 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_client_modeset_commit_atomic+0xd0/0x810 [ 287.899944][ T39] #8: ffff88801d9cb0b0 (crtc_ww_class_mutex){+.+.}-{3:3}, at: modeset_lock+0x484/0x6c0 [ 287.899994][ T39] #9: ffffffff8ddf96d0 (drm_unplug_srcu){.+.+}-{0:0}, at: drm_dev_enter+0x49/0x160 [ 287.900044][ T39] 3 locks held by kworker/0:0/8: [ 287.900054][ T39] #0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 [ 287.900103][ T39] #1: ffffc900000b7d80 ((work_completion)(&vgvq->dequeue_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 [ 287.900151][ T39] #2: ffff88801d7b42f8 (&dev->clientlist_mutex){+.+.}-{3:3}, at: drm_client_dev_hotplug+0x169/0x3c0 [ 287.900203][ T39] 2 locks held by kworker/u16:0/11: [ 287.900213][ T39] #0: ffff888013089938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 [ 287.900261][ T39] #1: ffffc900000e7d80 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 [ 287.900312][ T39] 1 lock held by khungtaskd/39: [ 287.900321][ T39] #0: ffffffff8d1a9120 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 287.900374][ T39] 3 locks held by kworker/1:1/55: [ 287.900384][ T39] #0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 [ 287.900431][ T39] #1: ffffc90000a77d80 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 [ 287.900480][ T39] #2: ffff8880198f4280 (&helper->lock){+.+.}-{3:3}, at: drm_fbdev_generic_helper_fb_dirty+0x255/0xbb0 [ 287.900535][ T39] [ 287.900538][ T39] ============================================= [ 287.900538][ T39] [ 287.900545][ T39] Kernel panic - not syncing: hung_task: blocked tasks [ 287.900552][ T39] CPU: 3 PID: 39 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller-00029-g615d30064886 #0 [ 287.900569][ T39] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 287.900576][ T39] Call Trace: [ 287.900583][ T39] [ 287.900588][ T39] dump_stack_lvl+0xd9/0x1b0 [ 287.900608][ T39] panic+0x6dc/0x790 [ 287.900627][ T39] ? panic_smp_self_stop+0xa0/0xa0 [ 287.900648][ T39] ? watchdog+0xd3e/0x1210 [ 287.900667][ T39] ? watchdog+0xd31/0x1210 [ 287.900685][ T39] watchdog+0xd4f/0x1210 [ 287.900705][ T39] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.900721][ T39] ? lockdep_hardirqs_on+0x7d/0x110 [ 287.900736][ T39] ? __kthread_parkme+0x14b/0x220 [ 287.900751][ T39] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.900768][ T39] kthread+0x2c6/0x3a0 [ 287.900788][ T39] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.900808][ T39] ? kthread_complete_and_exit+0x40/0x40 [ 287.900827][ T39] ret_from_fork+0x45/0x80 [ 287.900845][ T39] ? kthread_complete_and_exit+0x40/0x40 [ 287.900863][ T39] ret_from_fork_asm+0x11/0x20 [ 287.900885][ T39] [ 287.902857][ T39] Kernel Offset: disabled