failed to run ["ssh" "-p" "7784" "-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 7784 timed out ftruncate: Invalid argument qemu-system-x86_64: warning: hub 0 is not connected to host network [ 0.000000][ T0] Linux version 6.13.0-rc5-syzkaller-00198-g9244696b34f2 (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 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 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 1914166581 cycles [ 0.004518][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.018069][ T0] tsc: Detected 2600.024 MHz processor [ 0.031887][ T0] last_pfn = 0x180000 max_arch_pfn = 0x400000000 [ 0.036983][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.043901][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.050137][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.063987][ T0] found SMP MP-table at [mem 0x000f53c0-0x000f53cf] [ 0.068964][ T0] Using GB pages for direct mapping [ 0.077544][ T0] ACPI: Early table checksum verification disabled [ 0.082527][ T0] ACPI: RSDP 0x00000000000F5190 000014 (v00 BOCHS ) [ 0.087606][ T0] ACPI: RSDT 0x000000007FFE2925 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.094768][ T0] ACPI: FACP 0x000000007FFE1B2C 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.101925][ T0] ACPI: DSDT 0x000000007FFDF040 002AEC (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.109050][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.113162][ T0] ACPI: APIC 0x000000007FFE1C20 0000B0 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.120294][ T0] ACPI: HPET 0x000000007FFE1CD0 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.127408][ T0] ACPI: SRAT 0x000000007FFE1D08 000178 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.134552][ T0] ACPI: MCFG 0x000000007FFE1E80 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.141707][ T0] ACPI: DMAR 0x000000007FFE1EBC 0000C0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.148835][ T0] ACPI: SSDT 0x000000007FFE1F7C 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.156013][ T0] ACPI: NFIT 0x000000007FFE281D 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.163129][ T0] ACPI: WAET 0x000000007FFE28FD 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.170212][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe1b2c-0x7ffe1c1f] [ 0.176147][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffdf040-0x7ffe1b2b] [ 0.182127][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffdf000-0x7ffdf03f] [ 0.188053][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe1c20-0x7ffe1ccf] [ 0.193960][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe1cd0-0x7ffe1d07] [ 0.199839][ T0] ACPI: Reserving SRAT table memory at [mem 0x7ffe1d08-0x7ffe1e7f] [ 0.205733][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe1e80-0x7ffe1ebb] [ 0.211592][ T0] ACPI: Reserving DMAR table memory at [mem 0x7ffe1ebc-0x7ffe1f7b] [ 0.217213][ T0] ACPI: Reserving SSDT table memory at [mem 0x7ffe1f7c-0x7ffe281c] [ 0.223111][ T0] ACPI: Reserving NFIT table memory at [mem 0x7ffe281d-0x7ffe28fc] [ 0.229032][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe28fd-0x7ffe2924] [ 0.235595][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.240779][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.245974][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x17fffffff] [ 0.251312][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x183ffffff] non-volatile [ 0.257551][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x57fffffff] hotplug [ 0.263424][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x7fffffff] -> [mem 0x00001000-0x7fffffff] [ 0.271827][ T0] NUMA: Node 0 [mem 0x00001000-0x7fffffff] + [mem 0x100000000-0x17fffffff] -> [mem 0x00001000-0x17fffffff] [ 0.280440][ T0] Faking node 0 at [mem 0x0000000000001000-0x00000000ffffffff] (4095MB) [ 0.286561][ T0] Faking node 1 at [mem 0x0000000100000000-0x000000017fffffff] (2048MB) [ 0.293375][ T0] NODE_DATA(0) allocated [mem 0x7ffd7540-0x7ffdcfff] [ 0.298393][ T0] NODE_DATA(1) allocated [mem 0x17fff7540-0x17fffcfff] [ 0.321772][ T0] Zone ranges: [ 0.324342][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.329756][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.335146][ T0] Normal [mem 0x0000000100000000-0x000000017fffffff] [ 0.340507][ T0] Device empty [ 0.343286][ T0] Movable zone start for each node [ 0.347115][ T0] Early memory node ranges [ 0.350492][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.355965][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdcfff] [ 0.361433][ T0] node 1: [mem 0x0000000100000000-0x000000017fffffff] [ 0.366904][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000007ffdcfff] [ 0.372943][ T0] Initmem setup node 1 [mem 0x0000000100000000-0x000000017fffffff] [ 0.379072][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.384440][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.431932][ T0] On node 1, zone Normal: 35 pages in unavailable ranges [ 0.609616][ T0] kasan: KernelAddressSanitizer initialized [ 0.620418][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.624121][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.629402][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.635192][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.639924][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.644297][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.648645][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.653099][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.657570][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.661832][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.665300][ T0] TSC deadline timer available [ 0.668109][ T0] CPU topo: Max. logical packages: 2 [ 0.671239][ T0] CPU topo: Max. logical dies: 2 [ 0.674427][ T0] CPU topo: Max. dies per package: 1 [ 0.677570][ T0] CPU topo: Max. threads per core: 2 [ 0.680730][ T0] CPU topo: Num. cores per package: 2 [ 0.684080][ T0] CPU topo: Num. threads per package: 4 [ 0.687399][ T0] CPU topo: Allowing 4 present CPUs plus 4 hotplug CPUs [ 0.691526][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.696201][ T0] kvm-guest: KVM setup pv remote TLB flush [ 0.699615][ T0] kvm-guest: setup PV sched yield [ 0.702564][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.707482][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.712419][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.717367][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.722322][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdd000-0x7fffffff] [ 0.727286][ T0] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xafffffff] [ 0.732288][ T0] PM: hibernation: Registered nosave memory: [mem 0xb0000000-0xbfffffff] [ 0.737221][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfed1bfff] [ 0.742156][ T0] PM: hibernation: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff] [ 0.747086][ T0] PM: hibernation: Registered nosave memory: [mem 0xfed20000-0xfeffbfff] [ 0.752006][ T0] PM: hibernation: Registered nosave memory: [mem 0xfeffc000-0xfeffffff] [ 0.756914][ T0] PM: hibernation: Registered nosave memory: [mem 0xff000000-0xfffbffff] [ 0.761838][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffc0000-0xffffffff] [ 0.766784][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 0.770839][ T0] Booting paravirtualized kernel on KVM [ 0.774035][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.832488][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 0.839820][ T0] percpu: Embedded 74 pages/cpu s264968 r8192 d29944 u1048576 [ 0.844389][ T0] kvm-guest: PV spinlocks enabled [ 0.847340][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.852104][ 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 panic_on_warn [ 0.855814][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32", will be passed to user space. [ 0.917179][ T0] random: crng init done [ 0.919668][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.925167][ T0] Fallback order for Node 0: 0 1 [ 0.925181][ T0] Fallback order for Node 1: 1 0 [ 0.925194][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1048443 [ 0.934775][ T0] Policy zone: Normal [ 0.937550][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.941693][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.945834][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.955029][ T0] software IO TLB: area num 8. [ 1.307868][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=2 [ 1.362747][ T0] allocated 83886080 bytes of page_ext [ 1.365746][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.380565][ T0] Node 0, zone DMA32: page owner found early allocated 10355 pages [ 1.391285][ T0] Node 1, zone Normal: page owner found early allocated 10243 pages [ 1.396465][ T0] Dynamic Preempt: full [ 1.399788][ T0] Running RCU self tests [ 1.402048][ T0] Running RCU synchronous self tests [ 1.404872][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.408371][ T0] rcu: RCU lockdep checking is enabled. [ 1.411351][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.415328][ T0] rcu: RCU debug extended QS entry/exit. [ 1.418346][ T0] All grace periods are expedited (rcu_expedited). [ 1.421846][ T0] Trampoline variant of Tasks RCU enabled. [ 1.424999][ T0] Tracing variant of Tasks RCU enabled. [ 1.428142][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.432817][ T0] Running RCU synchronous self tests [ 1.435631][ T0] RCU Tasks: Setting shift to 3 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=8. [ 1.440797][ T0] RCU Tasks Trace: Setting shift to 3 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=8. [ 1.534313][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 1.538765][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.543247][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88816da00000-0xffff88816dc00000 [ 1.573837][ T0] Console: colour VGA+ 80x25 [ 1.576528][ T0] printk: legacy console [ttyS0] enabled [ 1.576528][ T0] printk: legacy console [ttyS0] enabled [ 1.582588][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.582588][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.589571][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.594247][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.596924][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.599661][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.602483][ T0] ... CLASSHASH_SIZE: 4096 [ 1.605297][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.608254][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.611223][ T0] ... CHAINHASH_SIZE: 524288 [ 1.614142][ T0] memory used by lock dependency info: 106625 kB [ 1.617624][ T0] memory used for stack traces: 8320 kB [ 1.620681][ T0] per task-struct memory footprint: 1920 bytes [ 1.624193][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.630758][ T0] ACPI: Core revision 20240827 [ 1.634295][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.640299][ T0] APIC: Switch to symmetric I/O mode setup [ 1.643473][ T0] DMAR: Host address width 39 [ 1.646017][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.649496][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c22260206 ecap f00f5e [ 1.654579][ T0] DMAR: ATSR flags: 0x1 [ 1.656862][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0 [ 1.660957][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 1.669184][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 1.672690][ T0] x2apic enabled [ 1.675060][ T0] APIC: Switched APIC routing to: cluster x2apic [ 1.678506][ T0] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 1.683069][ T0] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 1.688446][ T0] kvm-guest: setup PV IPIs [ 1.702627][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 1.706583][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x257a52d4118, max_idle_ns: 440795307231 ns [ 1.712712][ T0] Calibrating delay loop (skipped) preset value.. 5200.04 BogoMIPS (lpj=26000240) [ 1.718620][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.723423][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.726757][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.732757][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.737827][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.742719][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.747180][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.750611][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.752707][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.756937][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.762760][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.767801][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.772707][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.776111][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.779540][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.782714][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 1.787048][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 1.792719][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.796906][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 1.802721][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 1.806840][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 1.811017][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 2.064211][ T0] Freeing SMP alternatives memory: 124K [ 2.066885][ T0] pid_max: default: 32768 minimum: 301 [ 2.069736][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,selinux,bpf,ima,evm [ 2.073013][ T0] landlock: Up and running. [ 2.075141][ T0] Yama: becoming mindful. [ 2.077417][ T0] TOMOYO Linux initialized [ 2.079514][ T0] SELinux: Initializing. [ 2.085031][ T0] LSM support for eBPF active [ 2.089533][ T0] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.093687][ T0] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc hugepage) [ 2.098326][ T0] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 2.102806][ T0] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 2.109361][ T0] Running RCU synchronous self tests [ 2.112714][ T0] Running RCU synchronous self tests [ 2.115980][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.60GHz (family: 0x6, model: 0x6a, stepping: 0x6) [ 2.122699][ T1] Running RCU Tasks wait API self tests [ 2.232925][ T1] Running RCU Tasks Trace wait API self tests [ 2.236980][ T1] Performance Events: unsupported p6 CPU model 106 no PMU driver, software events only. [ 2.241909][ T1] signal: max sigframe size: 3632 [ 2.243232][ T1] rcu: Hierarchical SRCU implementation. [ 2.245991][ T1] rcu: Max phase no-delay instances is 1000. [ 2.249668][ T1] Timer migration: 2 hierarchy levels; 8 children per group; 1 crossnode level [ 2.252886][ T15] Callback from call_rcu_tasks_trace() invoked. [ 2.258861][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.263416][ T1] smp: Bringing up secondary CPUs ... [ 2.267480][ T1] smpboot: x86: Booting SMP configuration: [ 2.270297][ T1] .... node #0, CPUs: #2 [ 2.273063][ T22] ------------[ cut here ]------------ [ 2.275650][ T22] workqueue: work disable count underflowed [ 2.278436][ T22] WARNING: CPU: 2 PID: 22 at kernel/workqueue.c:4317 enable_work+0x2fa/0x340 [ 2.282582][ T22] Modules linked in: [ 2.282699][ T22] CPU: 2 UID: 0 PID: 22 Comm: cpuhp/2 Not tainted 6.13.0-rc5-syzkaller-00198-g9244696b34f2 #0 [ 2.282699][ T22] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 2.282699][ T22] RIP: 0010:enable_work+0x2fa/0x340 [ 2.282699][ T22] Code: 89 ee e8 49 d6 36 00 45 84 ed 0f 85 28 fe ff ff e8 9b db 36 00 c6 05 f2 9f e4 0e 01 90 48 c7 c7 00 da 6b 8b e8 57 12 f7 ff 90 <0f> 0b 90 90 e9 05 fe ff ff 48 89 ef e8 e5 7f 99 00 e9 a9 fe ff ff [ 2.282699][ T22] RSP: 0000:ffffc9000060fca0 EFLAGS: 00010082 [ 2.282699][ T22] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815a5139 [ 2.282699][ T22] RDX: ffff88801d6a4880 RSI: ffffffff815a5146 RDI: 0000000000000001 [ 2.282699][ T22] RBP: ffff88806a838660 R08: 0000000000000001 R09: 0000000000000000 [ 2.282699][ T22] R10: 0000000000000000 R11: 0000000000000002 R12: 1ffff920000c1f95 [ 2.282699][ T22] R13: 0000000000000000 R14: 00000000000000c5 R15: ffffffff81dbfd90 [ 2.282699][ T22] FS: 0000000000000000(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 [ 2.282699][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.282699][ T22] CR2: 0000000000000000 CR3: 000000000df7e000 CR4: 0000000000350ef0 [ 2.282699][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.282699][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.282699][ T22] Call Trace: [ 2.282699][ T22] [ 2.282699][ T22] ? __warn+0xea/0x3c0 [ 2.282699][ T22] ? enable_work+0x2fa/0x340 [ 2.282699][ T22] ? report_bug+0x3c0/0x580 [ 2.282699][ T22] ? handle_bug+0x54/0xa0 [ 2.282699][ T22] ? exc_invalid_op+0x17/0x50 [ 2.282699][ T22] ? asm_exc_invalid_op+0x1a/0x20 [ 2.282699][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.282699][ T22] ? __warn_printk+0x199/0x350 [ 2.282699][ T22] ? __warn_printk+0x1a6/0x350 [ 2.282699][ T22] ? enable_work+0x2fa/0x340 [ 2.282699][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.282699][ T22] vmstat_cpu_online+0x83/0xf0 [ 2.282699][ T22] cpuhp_invoke_callback+0x3d0/0xa10 [ 2.282699][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.282699][ T22] ? lock_acquire.part.0+0x350/0x380 [ 2.282699][ T22] ? cpuhp_next_state+0x100/0x1c0 [ 2.282699][ T22] cpuhp_thread_fun+0x480/0x6f0 [ 2.282699][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.282699][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.282699][ T22] ? smpboot_thread_fn+0x59d/0xa30 [ 2.282699][ T22] smpboot_thread_fn+0x661/0xa30 [ 2.282699][ T22] ? __kthread_parkme+0x148/0x220 [ 2.282699][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.282699][ T22] kthread+0x2c1/0x3a0 [ 2.282699][ T22] ? _raw_spin_unlock_irq+0x23/0x50 [ 2.282699][ T22] ? __pfx_kthread+0x10/0x10 [ 2.282699][ T22] ret_from_fork+0x45/0x80 [ 2.282699][ T22] ? __pfx_kthread+0x10/0x10 [ 2.282699][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.282699][ T22] [ 2.282699][ T22] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 2.282699][ T22] CPU: 2 UID: 0 PID: 22 Comm: cpuhp/2 Not tainted 6.13.0-rc5-syzkaller-00198-g9244696b34f2 #0 [ 2.282699][ T22] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 2.282699][ T22] Call Trace: [ 2.282699][ T22] [ 2.282699][ T22] dump_stack_lvl+0x3d/0x1f0 [ 2.282699][ T22] panic+0x71d/0x800 [ 2.282699][ T22] ? __pfx_panic+0x10/0x10 [ 2.282699][ T22] ? show_trace_log_lvl+0x29d/0x3d0 [ 2.282699][ T22] ? check_panic_on_warn+0x1f/0xb0 [ 2.282699][ T22] ? enable_work+0x2fa/0x340 [ 2.282699][ T22] check_panic_on_warn+0xab/0xb0 [ 2.282699][ T22] __warn+0xf6/0x3c0 [ 2.282699][ T22] ? enable_work+0x2fa/0x340 [ 2.282699][ T22] report_bug+0x3c0/0x580 [ 2.282699][ T22] handle_bug+0x54/0xa0 [ 2.282699][ T22] exc_invalid_op+0x17/0x50 [ 2.282699][ T22] asm_exc_invalid_op+0x1a/0x20 [ 2.282699][ T22] RIP: 0010:enable_work+0x2fa/0x340 [ 2.282699][ T22] Code: 89 ee e8 49 d6 36 00 45 84 ed 0f 85 28 fe ff ff e8 9b db 36 00 c6 05 f2 9f e4 0e 01 90 48 c7 c7 00 da 6b 8b e8 57 12 f7 ff 90 <0f> 0b 90 90 e9 05 fe ff ff 48 89 ef e8 e5 7f 99 00 e9 a9 fe ff ff [ 2.282699][ T22] RSP: 0000:ffffc9000060fca0 EFLAGS: 00010082 [ 2.282699][ T22] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815a5139 [ 2.282699][ T22] RDX: ffff88801d6a4880 RSI: ffffffff815a5146 RDI: 0000000000000001 [ 2.282699][ T22] RBP: ffff88806a838660 R08: 0000000000000001 R09: 0000000000000000 [ 2.282699][ T22] R10: 0000000000000000 R11: 0000000000000002 R12: 1ffff920000c1f95 [ 2.282699][ T22] R13: 0000000000000000 R14: 00000000000000c5 R15: ffffffff81dbfd90 [ 2.282699][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.282699][ T22] ? __warn_printk+0x199/0x350 [ 2.282699][ T22] ? __warn_printk+0x1a6/0x350 [ 2.282699][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.282699][ T22] vmstat_cpu_online+0x83/0xf0 [ 2.282699][ T22] cpuhp_invoke_callback+0x3d0/0xa10 [ 2.282699][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.282699][ T22] ? lock_acquire.part.0+0x350/0x380 [ 2.282699][ T22] ? cpuhp_next_state+0x100/0x1c0 [ 2.282699][ T22] cpuhp_thread_fun+0x480/0x6f0 [ 2.282699][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.282699][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.282699][ T22] ? smpboot_thread_fn+0x59d/0xa30 [ 2.282699][ T22] smpboot_thread_fn+0x661/0xa30 [ 2.282699][ T22] ? __kthread_parkme+0x148/0x220 [ 2.282699][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.282699][ T22] kthread+0x2c1/0x3a0 [ 2.282699][ T22] ? _raw_spin_unlock_irq+0x23/0x50 [ 2.282699][ T22] ? __pfx_kthread+0x10/0x10 [ 2.282699][ T22] ret_from_fork+0x45/0x80 [ 2.282699][ T22] ? __pfx_kthread+0x10/0x10 [ 2.282699][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.282699][ T22] [ 2.282699][ T22] Rebooting in 86400 seconds..