failed to run ["ssh" "-p" "46478" "-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[ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8) #0 SMP PREEMPT_DYNAMIC now
[ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1
[ 0.000000][ T0] KERNEL supported cpus:
[ 0.000000][ T0] Intel GenuineIntel
[ 0.000000][ T0] AMD AuthenticAMD
[ 0.000000][ T0] x86/CPU: Model not found in latest microcode list
[ 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 0x0000000100000000-0x000000023fffffff] 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] 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] last_pfn = 0x7ffdf max_arch_pfn = 0x400000000
[ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000006][ T0] kvm-clock: using sched offset of 2089027013 cycles
[ 0.004755][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.018459][ T0] tsc: Detected 2799.998 MHz processor
[ 0.027906][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.033378][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.041081][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.047804][ T0] last_pfn = 0x7ffdf max_arch_pfn = 0x400000000
[ 0.060326][ T0] found SMP MP-table at [mem 0x000f5b80-0x000f5b8f]
[ 0.068790][ T0] ACPI: Early table checksum verification disabled
[ 0.074128][ T0] ACPI: RSDP 0x00000000000F5960 000014 (v00 BOCHS )
[ 0.080169][ T0] ACPI: RSDT 0x000000007FFE234D 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.087282][ T0] ACPI: FACP 0x000000007FFE213D 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.094727][ T0] ACPI: DSDT 0x000000007FFE0040 0020FD (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.102294][ T0] ACPI: FACS 0x000000007FFE0000 000040
[ 0.106736][ T0] ACPI: APIC 0x000000007FFE2231 000080 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.113970][ T0] ACPI: HPET 0x000000007FFE22B1 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.121343][ T0] ACPI: MCFG 0x000000007FFE22E9 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.127996][ T0] ACPI: WAET 0x000000007FFE2325 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
[ 0.134268][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe213d-0x7ffe2230]
[ 0.140019][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffe0040-0x7ffe213c]
[ 0.145161][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffe0000-0x7ffe003f]
[ 0.150500][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe2231-0x7ffe22b0]
[ 0.156726][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe22b1-0x7ffe22e8]
[ 0.162622][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe22e9-0x7ffe2324]
[ 0.167941][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe2325-0x7ffe234c]
[ 0.174880][ T0] No NUMA configuration found
[ 0.177914][ T0] Faking a node at [mem 0x0000000000000000-0x000000023fffffff]
[ 0.182706][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000160000fff] (5632MB)
[ 0.188026][ T0] Faking node 1 at [mem 0x0000000160001000-0x000000023fffffff] (3583MB)
[ 0.193452][ T0] NODE_DATA(0) allocated [mem 0x15fffb380-0x160000fff]
[ 0.198910][ T0] NODE_DATA(1) allocated [mem 0x23fff7380-0x23fffcfff]
[ 0.452881][ T0] KernelAddressSanitizer initialized (generic)
[ 0.461164][ T0] ACPI: PM-Timer IO Port: 0x608
[ 0.465214][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.471601][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.478129][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.483821][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.489986][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.496249][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.502649][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.509170][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.515429][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.520496][ T0] CPU topo: Max. logical packages: 2
[ 0.524950][ T0] CPU topo: Max. logical dies: 2
[ 0.529000][ T0] CPU topo: Max. dies per package: 1
[ 0.533594][ T0] CPU topo: Max. threads per core: 1
[ 0.538054][ T0] CPU topo: Num. cores per package: 1
[ 0.542695][ T0] CPU topo: Num. threads per package: 1
[ 0.547398][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs
[ 0.552392][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write()
[ 0.559171][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.566119][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
[ 0.573108][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdf000-0xffffffff]
[ 0.580434][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices
[ 0.586322][ T0] Booting paravirtualized kernel on KVM
[ 0.590833][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.702054][ T0] Section 41 and 43 (node 0) have a circular dependency on usemap and pgdat allocations
[ 0.726021][ T0] Zone ranges:
[ 0.728873][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.734775][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.740768][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.746600][ T0] Device empty
[ 0.749789][ T0] Movable zone start for each node
[ 0.754159][ T0] Early memory node ranges
[ 0.757854][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.763939][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdefff]
[ 0.769851][ T0] node 0: [mem 0x0000000100000000-0x0000000160000fff]
[ 0.775958][ T0] node 1: [mem 0x0000000160001000-0x000000023fffffff]
[ 0.782170][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000160000fff]
[ 0.788807][ T0] Initmem setup node 1 [mem 0x0000000160001000-0x000000023fffffff]
[ 0.795434][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.801445][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.866146][ T0] On node 0, zone Normal: 33 pages in unavailable ranges
[ 0.934385][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2
[ 0.942781][ T0] percpu: Embedded 70 pages/cpu s248840 r8192 d29688 u2097152
[ 0.949985][ T0] kvm-guest: PV spinlocks disabled, no host support
[ 0.955791][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=32 max_loop=32 nbds_max=32 \
[ 1.024399][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 root=/dev/sda console=ttyS0 root=/dev/sda1
[ 1.034977][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space.
[ 1.041358][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 1.047126][ T0] software IO TLB: area num 2.
[ 1.074620][ T0] Fallback order for Node 0: 0 1
[ 1.074650][ T0] Fallback order for Node 1: 1 0
[ 1.074662][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1834877
[ 1.085215][ T0] Policy zone: Normal
[ 1.088160][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off
[ 1.092835][ T0] stackdepot: allocating hash table via alloc_large_system_hash
[ 1.096939][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear)
[ 1.106248][ T0] stackdepot: allocating space for 8192 stack pools via memblock
[ 1.818819][ T0] **********************************************************
[ 1.823570][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.827915][ T0] ** **
[ 1.831699][ T0] ** This system shows unhashed kernel memory addresses **
[ 1.835727][ T0] ** via the console, logs, and other interfaces. This **
[ 1.839561][ T0] ** might reduce the security of your system. **
[ 1.843978][ T0] ** **
[ 1.848372][ T0] ** If you see this message and you are not debugging **
[ 1.853154][ T0] ** the kernel, report this immediately to your system **
[ 1.857863][ T0] ** administrator! **
[ 1.862142][ T0] ** **
[ 1.867168][ T0] ** Use hash_pointers=always to force this mode off **
[ 1.871996][ T0] ** **
[ 1.876599][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.881164][ T0] **********************************************************
[ 1.887883][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2
[ 1.990034][ T0] allocated 146800640 bytes of page_ext
[ 1.993478][ T0] Node 0, zone DMA: page owner found early allocated 0 pages
[ 2.000225][ T0] Node 0, zone DMA32: page owner found early allocated 0 pages
[ 2.020852][ T0] Node 0, zone Normal: page owner found early allocated 18662 pages
[ 2.034340][ T0] Node 1, zone Normal: page owner found early allocated 17283 pages
[ 2.038858][ T0] Kernel/User page tables isolation: enabled
[ 2.042850][ T0] Dynamic Preempt: full
[ 2.045969][ T0] Running RCU self tests
[ 2.048418][ T0] Running RCU synchronous self tests
[ 2.051682][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 2.055874][ T0] rcu: RCU lockdep checking is enabled.
[ 2.059203][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 2.063132][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 2.067033][ T0] rcu: RCU debug extended QS entry/exit.
[ 2.070666][ T0] All grace periods are expedited (rcu_expedited).
[ 2.074022][ T0] Trampoline variant of Tasks RCU enabled.
[ 2.077027][ T0] Tracing variant of Tasks RCU enabled.
[ 2.079772][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 2.084249][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 2.088088][ T0] Running RCU synchronous self tests
[ 2.090880][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.
[ 2.096064][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.
[ 2.234636][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 2.240295][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 2.246151][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823c400000-0xffff88823c600000
[ 2.292720][ T0] Console: colour VGA+ 80x25
[ 2.295673][ T0] printk: legacy console [ttyS0] enabled
[ 2.295673][ T0] printk: legacy console [ttyS0] enabled
[ 2.302333][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 2.302333][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 2.311201][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 2.316600][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 2.319273][ T0] ... MAX_LOCK_DEPTH: 48
[ 2.322359][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 2.325587][ T0] ... CLASSHASH_SIZE: 4096
[ 2.328807][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576
[ 2.332195][ T0] ... MAX_LOCKDEP_CHAINS: 1048576
[ 2.335672][ T0] ... CHAINHASH_SIZE: 524288
[ 2.339112][ T0] memory used by lock dependency info: 106625 kB
[ 2.342636][ T0] memory used for stack traces: 8320 kB
[ 2.345607][ T0] per task-struct memory footprint: 1920 bytes
[ 2.349026][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[ 2.355817][ T0] ACPI: Core revision 20250807
[ 2.360367][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[ 2.367392][ T0] APIC: Switch to symmetric I/O mode setup
[ 2.372496][ T0] x2apic enabled
[ 2.376858][ T0] APIC: Switched APIC routing to: physical x2apic
[ 2.389473][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 2.393847][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x285c3ee517e, max_idle_ns: 440795257231 ns
[ 2.400049][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980)
[ 2.411486][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 2.415510][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[ 2.419882][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto
[ 2.420047][ T0] Speculative Store Bypass: Vulnerable
[ 2.430049][ T0] Spectre V2 : Mitigation: Retpolines
[ 2.433445][ T0] ITS: Mitigation: Aligned branch/return thunks
[ 2.437751][ T0] MDS: Vulnerable: Clear CPU buffers attempted, no microcode
[ 2.440046][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 2.445146][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT
[ 2.450051][ T0] active return thunk: its_return_thunk
[ 2.453238][ T0] x86/fpu: x87 FPU will use FXSAVE
[ 2.700641][ T0] Freeing SMP alternatives memory: 136K
[ 2.704247][ T0] pid_max: default: 32768 minimum: 301
[ 2.708702][ T0] landlock: Up and running.
[ 2.710047][ T0] Yama: becoming mindful.
[ 2.713090][ T0] TOMOYO Linux initialized
[ 2.716943][ T0] AppArmor: AppArmor initialized
[ 2.721827][ T0] LSM support for eBPF active
[ 2.733050][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage)
[ 2.742223][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage)
[ 2.748510][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 2.750284][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 2.765195][ T0] Running RCU synchronous self tests
[ 2.768565][ T0] Running RCU synchronous self tests
[ 2.893309][ T1] smpboot: CPU0: Intel QEMU Virtual CPU version 2.5+ (family: 0xf, model: 0x6b, stepping: 0x1)
[ 2.899009][ T2] ------------[ cut here ]------------
[ 2.900030][ T2] IS_ENABLED(CONFIG_PREEMPT_COUNT) && __lockdep_enabled && (preempt_count() == 0 && this_cpu_read(hardirqs_enabled))
[ 2.900030][ T2] WARNING: mm/vmstat.c:396 at __mod_node_page_state+0x126/0x170, CPU#0: kthreadd/2
[ 2.910156][ T2] Modules linked in:
[ 2.912230][ T2] CPU: 0 UID: 0 PID: 2 Comm: kthreadd Not tainted syzkaller #0 PREEMPT(full)
[ 2.916955][ T2] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 2.920055][ T2] RIP: 0010:__mod_node_page_state+0x126/0x170
[ 2.923682][ T2] Code: 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 89 df 4c 89 e6 44 89 fa e8 68 00 00 00 31 db eb cc 90 0f 0b 90 e9 3e ff ff ff 90 <0f> 0b 90 eb 80 48 c7 c7 e0 c6 64 8e 4c 89 f6 e8 66 3c d3 02 e9 28
[ 2.930055][ T2] RSP: 0000:ffffc900000773d0 EFLAGS: 00010202
[ 2.940053][ T2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000
[ 2.944523][ T2] RDX: 0000000000000001 RSI: 000000000000003d RDI: ffff88815fffb380
[ 2.950047][ T2] RBP: dffffc0000000000 R08: ffffffff8fef2977 R09: 1ffffffff1fde52e
[ 2.954861][ T2] R10: dffffc0000000000 R11: fffffbfff1fde52f R12: ffff88815fffb380
[ 2.959193][ T2] R13: ffffffff92f50f00 R14: 000000000000003d R15: 000000000000003d
[ 2.960061][ T2] FS: 0000000000000000(0000) GS:ffff88818e0f0000(0000) knlGS:0000000000000000
[ 2.965608][ T2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.970056][ T2] CR2: ffff88823ffff000 CR3: 000000000e346000 CR4: 00000000000006f0
[ 2.975221][ T2] Call Trace:
[ 2.980058][ T2]
[ 2.981984][ T2] alloc_pages_mpol+0x407/0x740
[ 2.985154][ T2] alloc_pages_noprof+0xa8/0x190
[ 2.988315][ T2] get_free_pages_noprof+0xf/0x80
[ 2.990055][ T2] __kasan_populate_vmalloc+0x38/0x1d0
[ 2.993525][ T2] ? do_raw_spin_unlock+0x4d/0x210
[ 2.996742][ T2] alloc_vmap_area+0xd21/0x1460
[ 3.000060][ T2] ? __pfx_alloc_vmap_area+0x10/0x10
[ 3.003394][ T2] ? __kasan_kmalloc+0x93/0xb0
[ 3.006389][ T2] ? __get_vm_area_node+0x13f/0x300
[ 3.010056][ T2] ? copy_process+0x508/0x3980
[ 3.013037][ T2] __get_vm_area_node+0x1f8/0x300
[ 3.016209][ T2] __vmalloc_node_range_noprof+0x372/0x1730
[ 3.020057][ T2] ? copy_process+0x508/0x3980
[ 3.023184][ T2] ? __pfx___vmalloc_node_range_noprof+0x10/0x10
[ 3.027168][ T2] ? memcpy_and_pad+0x48/0x80
[ 3.030059][ T2] __vmalloc_node_noprof+0xc2/0x100
[ 3.033534][ T2] ? copy_process+0x508/0x3980
[ 3.036780][ T2] ? copy_process+0x508/0x3980
[ 3.040062][ T2] dup_task_struct+0x228/0x9a0
[ 3.043189][ T2] ? _raw_spin_unlock_irq+0x23/0x50
[ 3.046524][ T2] copy_process+0x508/0x3980
[ 3.050059][ T2] ? pick_next_task_fair+0x1eea/0x2120
[ 3.053340][ T2] ? __pfx_copy_process+0x10/0x10
[ 3.056270][ T2] kernel_clone+0x248/0x870
[ 3.060058][ T2] ? finish_task_switch+0x23c/0x920
[ 3.063339][ T2] ? __pfx_kernel_clone+0x10/0x10
[ 3.066423][ T2] ? __lock_acquire+0x6b5/0x2cf0
[ 3.068985][ T2] kernel_thread+0x13f/0x1b0
[ 3.070066][ T2] ? __pfx_kthread+0x10/0x10
[ 3.073102][ T2] ? __pfx_kernel_thread+0x10/0x10
[ 3.076351][ T2] ? __pfx_kthread+0x10/0x10
[ 3.080048][ T2] ? do_raw_spin_unlock+0x4d/0x210
[ 3.082758][ T2] kthreadd+0x4f9/0x6f0
[ 3.084868][ T2] ? kthreadd+0x293/0x6f0
[ 3.087009][ T2] ? __pfx_kthreadd+0x10/0x10
[ 3.089375][ T2] ret_from_fork+0x51b/0xa40
[ 3.090057][ T2] ? __pfx_ret_from_fork+0x10/0x10
[ 3.093360][ T2] ? __switch_to+0xc82/0x1410
[ 3.095825][ T2] ? __pfx_kthreadd+0x10/0x10
[ 3.100046][ T2] ret_from_fork_asm+0x1a/0x30
[ 3.102885][ T2]
[ 3.104665][ T2] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 3.108371][ T2] CPU: 0 UID: 0 PID: 2 Comm: kthreadd Not tainted syzkaller #0 PREEMPT(full)
[ 3.110030][ T2] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 3.110030][ T2] Call Trace:
[ 3.110030][ T2]
[ 3.110030][ T2] vpanic+0x56c/0xa60
[ 3.110030][ T2] ? __pfx__printk+0x10/0x10
[ 3.110030][ T2] ? __pfx_vpanic+0x10/0x10
[ 3.110030][ T2] ? is_bpf_text_address+0x292/0x2b0
[ 3.110030][ T2] ? is_bpf_text_address+0x26/0x2b0
[ 3.110030][ T2] panic+0xc5/0xd0
[ 3.110030][ T2] ? __pfx_panic+0x10/0x10
[ 3.110030][ T2] ? ret_from_fork_asm+0x1a/0x30
[ 3.110030][ T2] __warn+0x315/0x4a0
[ 3.110030][ T2] ? __mod_node_page_state+0x126/0x170
[ 3.110030][ T2] ? __mod_node_page_state+0x126/0x170
[ 3.110030][ T2] __report_bug+0x29a/0x540
[ 3.110030][ T2] ? __mod_node_page_state+0x126/0x170
[ 3.110030][ T2] ? __pfx___report_bug+0x10/0x10
[ 3.110030][ T2] ? __mod_node_page_state+0x126/0x170
[ 3.110030][ T2] report_bug+0x16a/0x220
[ 3.110030][ T2] ? __mod_node_page_state+0x126/0x170
[ 3.110030][ T2] ? __mod_node_page_state+0x128/0x170
[ 3.110030][ T2] handle_bug+0x98/0x200
[ 3.110030][ T2] exc_invalid_op+0x1a/0x50
[ 3.110030][ T2] asm_exc_invalid_op+0x1a/0x20
[ 3.110030][ T2] RIP: 0010:__mod_node_page_state+0x126/0x170
[ 3.110030][ T2] Code: 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 89 df 4c 89 e6 44 89 fa e8 68 00 00 00 31 db eb cc 90 0f 0b 90 e9 3e ff ff ff 90 <0f> 0b 90 eb 80 48 c7 c7 e0 c6 64 8e 4c 89 f6 e8 66 3c d3 02 e9 28
[ 3.110030][ T2] RSP: 0000:ffffc900000773d0 EFLAGS: 00010202
[ 3.110030][ T2] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000
[ 3.110030][ T2] RDX: 0000000000000001 RSI: 000000000000003d RDI: ffff88815fffb380
[ 3.110030][ T2] RBP: dffffc0000000000 R08: ffffffff8fef2977 R09: 1ffffffff1fde52e
[ 3.110030][ T2] R10: dffffc0000000000 R11: fffffbfff1fde52f R12: ffff88815fffb380
[ 3.110030][ T2] R13: ffffffff92f50f00 R14: 000000000000003d R15: 000000000000003d
[ 3.110030][ T2] alloc_pages_mpol+0x407/0x740
[ 3.110030][ T2] alloc_pages_noprof+0xa8/0x190
[ 3.110030][ T2] get_free_pages_noprof+0xf/0x80
[ 3.110030][ T2] __kasan_populate_vmalloc+0x38/0x1d0
[ 3.110030][ T2] ? do_raw_spin_unlock+0x4d/0x210
[ 3.110030][ T2] alloc_vmap_area+0xd21/0x1460
[ 3.110030][ T2] ? __pfx_alloc_vmap_area+0x10/0x10
[ 3.110030][ T2] ? __kasan_kmalloc+0x93/0xb0
[ 3.110030][ T2] ? __get_vm_area_node+0x13f/0x300
[ 3.110030][ T2] ? copy_process+0x508/0x3980
[ 3.110030][ T2] __get_vm_area_node+0x1f8/0x300
[ 3.110030][ T2] __vmalloc_node_range_noprof+0x372/0x1730
[ 3.110030][ T2] ? copy_process+0x508/0x3980
[ 3.110030][ T2] ? __pfx___vmalloc_node_range_noprof+0x10/0x10
[ 3.110030][ T2] ? memcpy_and_pad+0x48/0x80
[ 3.110030][ T2] __vmalloc_node_noprof+0xc2/0x100
[ 3.110030][ T2] ? copy_process+0x508/0x3980
[ 3.110030][ T2] ? copy_process+0x508/0x3980
[ 3.110030][ T2] dup_task_struct+0x228/0x9a0
[ 3.110030][ T2] ? _raw_spin_unlock_irq+0x23/0x50
[ 3.110030][ T2] copy_process+0x508/0x3980
[ 3.110030][ T2] ? pick_next_task_fair+0x1eea/0x2120
[ 3.110030][ T2] ? __pfx_copy_process+0x10/0x10
[ 3.110030][ T2] kernel_clone+0x248/0x870
[ 3.110030][ T2] ? finish_task_switch+0x23c/0x920
[ 3.110030][ T2] ? __pfx_kernel_clone+0x10/0x10
[ 3.110030][ T2] ? __lock_acquire+0x6b5/0x2cf0
[ 3.110030][ T2] kernel_thread+0x13f/0x1b0
[ 3.110030][ T2] ? __pfx_kthread+0x10/0x10
[ 3.110030][ T2] ? __pfx_kernel_thread+0x10/0x10
[ 3.110030][ T2] ? __pfx_kthread+0x10/0x10
[ 3.110030][ T2] ? do_raw_spin_unlock+0x4d/0x210
[ 3.110030][ T2] kthreadd+0x4f9/0x6f0
[ 3.110030][ T2] ? kthreadd+0x293/0x6f0
[ 3.110030][ T2] ? __pfx_kthreadd+0x10/0x10
[ 3.110030][ T2] ret_from_fork+0x51b/0xa40
[ 3.110030][ T2] ? __pfx_ret_from_fork+0x10/0x10
[ 3.110030][ T2] ? __switch_to+0xc82/0x1410
[ 3.110030][ T2] ? __pfx_kthreadd+0x10/0x10
[ 3.110030][ T2] ret_from_fork_asm+0x1a/0x30
[ 3.110030][ T2]
[ 3.110030][ T2] Rebooting in 86400 seconds..