failed to run ["ssh" "-p" "15495" "-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 15495 timed out [ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1 kvm-intel.nested=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] 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 0x0000000000100000-0x000000007ffdefff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdf000-0x000000007fffffff] 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 0x0000000100000000-0x000000013fffffff] 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] Hash pointers mode set to never. [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] APIC: Static calls initialized [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 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 [ 0.000004][ T0] kvm-clock: using sched offset of 1712967115 cycles [ 0.004430][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.017853][ T0] tsc: Detected 2799.998 MHz processor [ 0.026743][ T0] last_pfn = 0x140000 max_arch_pfn = 0x400000000 [ 0.031736][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.038524][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.044676][ T0] last_pfn = 0x7ffdf max_arch_pfn = 0x400000000 [ 0.055151][ T0] found SMP MP-table at [mem 0x000f5b80-0x000f5b8f] [ 0.060007][ T0] Using GB pages for direct mapping [ 0.065795][ T0] ACPI: Early table checksum verification disabled [ 0.070545][ T0] ACPI: RSDP 0x00000000000F5960 000014 (v00 BOCHS ) [ 0.075543][ T0] ACPI: RSDT 0x000000007FFE2361 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.082476][ T0] ACPI: FACP 0x000000007FFE2151 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.089412][ T0] ACPI: DSDT 0x000000007FFE0040 002111 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.096372][ T0] ACPI: FACS 0x000000007FFE0000 000040 [ 0.100379][ T0] ACPI: APIC 0x000000007FFE2245 000080 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.107394][ T0] ACPI: HPET 0x000000007FFE22C5 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.114310][ T0] ACPI: MCFG 0x000000007FFE22FD 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.121252][ T0] ACPI: WAET 0x000000007FFE2339 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.128166][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe2151-0x7ffe2244] [ 0.133968][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffe0040-0x7ffe2150] [ 0.139748][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffe0000-0x7ffe003f] [ 0.145531][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe2245-0x7ffe22c4] [ 0.151304][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe22c5-0x7ffe22fc] [ 0.157073][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe22fd-0x7ffe2338] [ 0.162859][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe2339-0x7ffe2360] [ 0.170818][ T0] No NUMA configuration found [ 0.174224][ T0] Faking a node at [mem 0x0000000000000000-0x000000013fffffff] [ 0.179788][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000060000fff] (1536MB) [ 0.185890][ T0] Faking node 1 at [mem 0x0000000060001000-0x000000013fffffff] (3583MB) [ 0.192105][ T0] NODE_DATA(0) allocated [mem 0x5fffb400-0x60000fff] [ 0.197487][ T0] NODE_DATA(1) allocated [mem 0x13fff7400-0x13fffcfff] [ 0.212501][ T0] Zone ranges: [ 0.214921][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.220068][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.225212][ T0] Normal [mem 0x0000000100000000-0x000000013fffffff] [ 0.230328][ T0] Device empty [ 0.232977][ T0] Movable zone start for each node [ 0.236677][ T0] Early memory node ranges [ 0.239851][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.245038][ T0] node 0: [mem 0x0000000000100000-0x0000000060000fff] [ 0.250276][ T0] node 1: [mem 0x0000000060001000-0x000000007ffdefff] [ 0.255450][ T0] node 1: [mem 0x0000000100000000-0x000000013fffffff] [ 0.260622][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000060000fff] [ 0.266380][ T0] Initmem setup node 1 [mem 0x0000000060001000-0x000000013fffffff] [ 0.272163][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.277251][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.320800][ T0] On node 1, zone Normal: 33 pages in unavailable ranges [ 0.416529][ T0] kasan: KernelAddressSanitizer initialized [ 0.423821][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.427385][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.432699][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.438346][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.443597][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.449038][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.454526][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.460112][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.465702][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.471009][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.475370][ T0] TSC deadline timer available [ 0.478814][ T0] CPU topo: Max. logical packages: 2 [ 0.482756][ T0] CPU topo: Max. logical dies: 2 [ 0.486710][ T0] CPU topo: Max. dies per package: 1 [ 0.490682][ T0] CPU topo: Max. threads per core: 1 [ 0.494623][ T0] CPU topo: Num. cores per package: 1 [ 0.498764][ T0] CPU topo: Num. threads per package: 1 [ 0.502910][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.508102][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.513870][ T0] kvm-guest: KVM setup pv remote TLB flush [ 0.518107][ T0] kvm-guest: setup PV sched yield [ 0.521777][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.527943][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.534104][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdf000-0xffffffff] [ 0.540268][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 0.545343][ T0] Booting paravirtualized kernel on KVM [ 0.549377][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.634496][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.641491][ T0] percpu: Embedded 70 pages/cpu s246472 r8192 d32056 u2097152 [ 0.647276][ T0] kvm-guest: PV spinlocks enabled [ 0.651040][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.657102][ 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 comedi.comedi [ 0.659972][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32", will be passed to user space. [ 0.737546][ T0] random: crng init done [ 0.740634][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.746990][ T0] software IO TLB: area num 2. [ 0.771449][ T0] Fallback order for Node 0: 0 1 [ 0.771465][ T0] Fallback order for Node 1: 1 0 [ 0.771475][ T0] Built 2 zonelists, mobility grouping on. Total pages: 786301 [ 0.781837][ T0] Policy zone: Normal [ 0.784606][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.789149][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.793626][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.802041][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 0.959886][ T0] ********************************************************** [ 0.964244][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.968557][ T0] ** ** [ 0.973028][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.977343][ T0] ** via the console, logs, and other interfaces. This ** [ 0.981627][ T0] ** might reduce the security of your system. ** [ 0.985997][ T0] ** ** [ 0.990322][ T0] ** If you see this message and you are not debugging ** [ 0.994589][ T0] ** the kernel, report this immediately to your system ** [ 0.998881][ T0] ** administrator! ** [ 1.003194][ T0] ** ** [ 1.007504][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.011807][ T0] ** ** [ 1.016088][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.020426][ T0] ********************************************************** [ 1.025941][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.063069][ T0] allocated 62914560 bytes of page_ext [ 1.066299][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.076380][ T0] Node 0, zone DMA32: page owner found early allocated 8422 pages [ 1.081433][ T0] Node 1, zone DMA32: page owner found early allocated 0 pages [ 1.089359][ T0] Node 1, zone Normal: page owner found early allocated 7043 pages [ 1.094983][ T0] Dynamic Preempt: full [ 1.098305][ T0] Running RCU self tests [ 1.100765][ T0] Running RCU synchronous self tests [ 1.103845][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.107684][ T0] rcu: RCU lockdep checking is enabled. [ 1.110986][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.115317][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.119680][ T0] rcu: RCU debug extended QS entry/exit. [ 1.123012][ T0] All grace periods are expedited (rcu_expedited). [ 1.126858][ T0] Trampoline variant of Tasks RCU enabled. [ 1.130295][ T0] Tracing variant of Tasks RCU enabled. [ 1.133556][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.138489][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.143038][ T0] Running RCU synchronous self tests [ 1.146149][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.151752][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.253757][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.258723][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.263604][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff888136400000-0xffff888136600000 [ 1.308661][ T0] Console: colour VGA+ 80x25 [ 1.311612][ T0] printk: legacy console [ttyS0] enabled [ 1.311612][ T0] printk: legacy console [ttyS0] enabled [ 1.318302][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.318302][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.325919][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.331120][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.334089][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.337138][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.340259][ T0] ... CLASSHASH_SIZE: 4096 [ 1.343373][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.346653][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.349943][ T0] ... CHAINHASH_SIZE: 524288 [ 1.353178][ T0] memory used by lock dependency info: 106625 kB [ 1.357020][ T0] memory used for stack traces: 8320 kB [ 1.360385][ T0] per task-struct memory footprint: 1920 bytes [ 1.364281][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.371560][ T0] ACPI: Core revision 20250404 [ 1.375500][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.382162][ T0] APIC: Switch to symmetric I/O mode setup [ 1.389520][ T0] x2apic enabled [ 1.396636][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.400515][ T0] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 1.405499][ T0] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 1.411473][ T0] kvm-guest: setup PV IPIs [ 1.431638][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 1.436212][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x285c3ee517e, max_idle_ns: 440795257231 ns [ 1.443139][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980) [ 1.449800][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.453990][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.457650][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.463185][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.470284][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.473134][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.477105][ T0] RETBleed: Mitigation: Enhanced IBRS [ 1.483133][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.486868][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.491248][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.493133][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.498682][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.503147][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.513140][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.518466][ T0] active return thunk: its_return_thunk [ 1.523149][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.528282][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.532712][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.533132][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.536851][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.543132][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 1.546857][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 1.550800][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.553132][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 1.556791][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 1.560454][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 1.563132][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 1.798139][ T0] Freeing SMP alternatives memory: 136K [ 1.801086][ T0] pid_max: default: 32768 minimum: 301 [ 1.803498][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,bpf,ima,evm [ 1.809247][ T0] landlock: Up and running. [ 1.811602][ T0] Yama: becoming mindful. [ 1.813349][ T0] TOMOYO Linux initialized [ 1.816296][ T0] AppArmor: AppArmor initialized [ 1.819968][ T0] LSM support for eBPF active [ 1.825463][ T0] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.831459][ T0] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc hugepage) [ 1.833373][ T0] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 1.837892][ T0] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 1.846635][ T0] Running RCU synchronous self tests [ 1.849408][ T0] Running RCU synchronous self tests [ 1.854042][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 1.862049][ T1] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI [ 1.863127][ T1] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 1.863127][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 1.863127][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 1.863127][ T1] RIP: 0010:kfence_guarded_alloc+0x643/0xc70 [ 1.863127][ T1] Code: 41 c1 e5 18 bf 00 00 00 f5 44 89 ee e8 a6 67 9c ff 45 31 f6 41 81 fd 00 00 00 f5 4c 0f 44 f3 49 8d 7e 08 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 f1 cb ff ff 4c 8b 6c 24 18 4d 89 6e 08 49 [ 1.863127][ T1] RSP: 0000:ffffc90000047740 EFLAGS: 00010202 [ 1.863127][ T1] RAX: 0000000000000001 RBX: ffffea0004d90080 RCX: 0000000000000000 [ 1.863127][ T1] RDX: ffff88801c2e8000 RSI: 00000000ff000000 RDI: 0000000000000008 [ 1.863127][ T1] RBP: ffffc90000047850 R08: ffffffff99b2201b R09: 1ffffffff3364403 [ 1.863127][ T1] R10: dffffc0000000000 R11: fffffbfff3364404 R12: dffffc0000000000 [ 1.863127][ T1] R13: 00000000ff000000 R14: 0000000000000000 R15: ffff88813fec7068 [ 1.863127][ T1] FS: 0000000000000000(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000 [ 1.863127][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.863127][ T1] CR2: ffff88813ffff000 CR3: 000000000df36000 CR4: 0000000000350ef0 [ 1.863127][ T1] Call Trace: [ 1.863127][ T1] [ 1.863127][ T1] ? __pfx_kfence_guarded_alloc+0x10/0x10 [ 1.863127][ T1] ? stack_trace_save+0x9c/0xe0 [ 1.863127][ T1] ? __pfx_stack_trace_save+0x10/0x10 [ 1.863127][ T1] ? get_alloc_stack_hash+0x39a/0x770 [ 1.863127][ T1] __kfence_alloc+0x385/0x3b0 [ 1.863127][ T1] ? __pfx___kfence_alloc+0x10/0x10 [ 1.863127][ T1] ? __kfence_alloc+0x2b2/0x3b0 [ 1.863127][ T1] ? __kmalloc_noprof+0x440/0x4f0 [ 1.863127][ T1] ? __alloc_workqueue+0x103/0x1b70 [ 1.863127][ T1] ? alloc_workqueue_noprof+0xd4/0x210 [ 1.863127][ T1] ? init_mm_internals+0x17/0x140 [ 1.863127][ T1] ? kernel_init_freeable+0x307/0x4b0 [ 1.863127][ T1] ? kernel_init+0x1d/0x1d0 [ 1.863127][ T1] ? ret_from_fork+0x3f9/0x770 [ 1.863127][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 1.863127][ T1] ? __kmalloc_noprof+0xa3/0x4f0 [ 1.863127][ T1] __kmalloc_noprof+0x440/0x4f0 [ 1.863127][ T1] ? __alloc_workqueue+0x103/0x1b70 [ 1.863127][ T1] ? do_raw_spin_unlock+0x122/0x240 [ 1.863127][ T1] __alloc_workqueue+0x103/0x1b70 [ 1.863127][ T1] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 1.863127][ T1] ? lockdep_hardirqs_on+0x9c/0x150 [ 1.863127][ T1] alloc_workqueue_noprof+0xd4/0x210 [ 1.863127][ T1] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 1.863127][ T1] ? __mod_timer+0xb37/0xf30 [ 1.863127][ T1] ? kernel_init+0x1d/0x1d0 [ 1.863127][ T1] init_mm_internals+0x17/0x140 [ 1.863127][ T1] kernel_init_freeable+0x307/0x4b0 [ 1.863127][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 1.863127][ T1] ? _raw_spin_unlock_irq+0x23/0x50 [ 1.863127][ T1] ? __pfx_kernel_init+0x10/0x10 [ 1.863127][ T1] kernel_init+0x1d/0x1d0 [ 1.863127][ T1] ? __pfx_kernel_init+0x10/0x10 [ 1.863127][ T1] ret_from_fork+0x3f9/0x770 [ 1.863127][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 1.863127][ T1] ? __pfx_kernel_init+0x10/0x10 [ 1.863127][ T1] ret_from_fork_asm+0x1a/0x30 [ 1.863127][ T1] [ 1.863127][ T1] Modules linked in: [ 1.863152][ T1] ---[ end trace 0000000000000000 ]--- [ 1.865978][ T1] RIP: 0010:kfence_guarded_alloc+0x643/0xc70 [ 1.869112][ T1] Code: 41 c1 e5 18 bf 00 00 00 f5 44 89 ee e8 a6 67 9c ff 45 31 f6 41 81 fd 00 00 00 f5 4c 0f 44 f3 49 8d 7e 08 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 f1 cb ff ff 4c 8b 6c 24 18 4d 89 6e 08 49 [ 1.873145][ T1] RSP: 0000:ffffc90000047740 EFLAGS: 00010202 [ 1.876308][ T1] RAX: 0000000000000001 RBX: ffffea0004d90080 RCX: 0000000000000000 [ 1.880437][ T1] RDX: ffff88801c2e8000 RSI: 00000000ff000000 RDI: 0000000000000008 [ 1.883145][ T1] RBP: ffffc90000047850 R08: ffffffff99b2201b R09: 1ffffffff3364403 [ 1.887258][ T1] R10: dffffc0000000000 R11: fffffbfff3364404 R12: dffffc0000000000 [ 1.891402][ T1] R13: 00000000ff000000 R14: 0000000000000000 R15: ffff88813fec7068 [ 1.893143][ T1] FS: 0000000000000000(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000 [ 1.897812][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.901275][ T1] CR2: ffff88813ffff000 CR3: 000000000df36000 CR4: 0000000000350ef0 [ 1.903161][ T1] Kernel panic - not syncing: Fatal exception [ 1.906588][ T1] Rebooting in 86400 seconds..