WARNING in __alloc_workqueue ACPI: button: Power Button [PWRF] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 ACPI: button: Sleep Button [SLPF] ioatdma: Intel(R) QuickData Technology Driver 5.00 ACPI: \_SB_.LNKC: Enabled at IRQ 11 virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver ACPI: \_SB_.LNKD: Enabled at IRQ 10 virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver ACPI: \_SB_.LNKB: Enabled at IRQ 10 virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver N_HDLC line discipline registered with maxframe=4096 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 usbcore: registered new interface driver xillyusb ACPI: bus type drm_connector registered [drm] Initialized vgem 1.0.0 for vgem on minor 0 [drm] Initialized vkms 1.0.0 for vkms on minor 1 Console: switching to colour frame buffer device 128x48 faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device usbcore: registered new interface driver udl usbcore: registered new interface driver gm12u320 usbcore: registered new interface driver gud brd: module loaded loop: module loaded zram: Added device: zram0 null_blk: disk nullb0 created null_blk: module loaded rnull_mod: Rust null_blk loaded Guest personality initialized and is inactive VMCI host device registered (name=vmci, major=10, minor=267) Initialized host personality usbcore: registered new interface driver rtsx_usb usbcore: registered new interface driver viperboard usbcore: registered new interface driver dln2 usbcore: registered new interface driver pn533_usb nfcsim 0.2 initialized usbcore: registered new interface driver port100 usbcore: registered new interface driver nfcmrvl Loading iSCSI transport class v2.0-870. virtio_scsi virtio0: 1/0/0 default/read/poll queues scsi host0: Virtio SCSI HBA blk-mq: reduced tag depth to 10240 st: Version 20160209, fixed bufsize 32768, s/g segs 256 ------------[ cut here ]------------ workqueue: nvme_tcp_wq is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU. WARNING: kernel/workqueue.c:5856 at __alloc_workqueue+0x1d02/0x2070 kernel/workqueue.c:5855, CPU#1: swapper/0/1 Modules linked in: CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:__alloc_workqueue+0x1d07/0x2070 kernel/workqueue.c:5855 Code: e9 36 f9 ff ff e8 89 90 37 00 e9 05 fb ff ff e8 7f 90 37 00 e9 92 fb ff ff e8 75 90 37 00 48 8d 3d 0e 9e 23 0e 48 8b 74 24 20 <67> 48 0f b9 3a 81 cd 00 01 00 00 e9 88 e5 ff ff e8 54 90 37 00 48 RSP: 0000:ffffc900000677a8 EFLAGS: 00010293 RAX: ffffffff818e1cbb RBX: 0000000000000000 RCX: ffff88801d68dd00 RDX: 0000000000000000 RSI: ffff888028db3968 RDI: ffffffff8fb1bad0 RBP: 0000000000000058 R08: ffff88801d68dd00 R09: 0000000000000002 R10: 0000000000000100 R11: 0000000000000102 R12: dffffc0000000000 R13: ffff888028db3800 R14: ffffc900000678c0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d7a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000dfb8000 CR4: 00000000003526f0 Call Trace: alloc_workqueue_va kernel/workqueue.c:5950 [inline] alloc_workqueue_noprof+0xe3/0x210 kernel/workqueue.c:5966 nvme_tcp_init_module+0x27/0x100 drivers/nvme/host/tcp.c:3050 do_one_initcall+0x250/0x870 init/main.c:1347 do_initcall_level+0x104/0x190 init/main.c:1409 do_initcalls+0x59/0xa0 init/main.c:1425 kernel_init_freeable+0x2a6/0x3e0 init/main.c:1658 kernel_init+0x1d/0x1d0 init/main.c:1548 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: e9 36 f9 ff ff jmp 0xfffff93b 5: e8 89 90 37 00 call 0x379093 a: e9 05 fb ff ff jmp 0xfffffb14 f: e8 7f 90 37 00 call 0x379093 14: e9 92 fb ff ff jmp 0xfffffbab 19: e8 75 90 37 00 call 0x379093 1e: 48 8d 3d 0e 9e 23 0e lea 0xe239e0e(%rip),%rdi # 0xe239e33 25: 48 8b 74 24 20 mov 0x20(%rsp),%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 81 cd 00 01 00 00 or $0x100,%ebp 35: e9 88 e5 ff ff jmp 0xffffe5c2 3a: e8 54 90 37 00 call 0x379093 3f: 48 rex.W failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.212" "pwd"]: exit status 255 ssh: connect to host 10.128.0.212 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (ECDSA) to the list of known hosts. SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID f4ecf68a-f2f0-66cc-6420-e966f85263fe found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f25d0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 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_RT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 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] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000c0000000-0x00000000fffbbfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] System RAM [ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] Hash pointers mode set to never. [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] APIC: Static calls initialized [ 0.000000][ T0] DMI: SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000006][ T0] kvm-clock: using sched offset of 5825600136 cycles [ 0.000014][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000036][ T0] tsc: Detected 2200.212 MHz processor [ 0.004003][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.004057][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.004069][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.004136][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.009080][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.009105][ T0] Using GB pages for direct mapping [ 0.012826][ T0] ACPI: Early table checksum verification disabled [ 0.012852][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.012870][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.012893][ T0] ACPI: FACP 0x00000000BFFFF370 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.012919][ T0] ACPI: DSDT 0x00000000BFFFD900 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.012938][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012957][ T0] ACPI: FACS 0x00000000BFFFD8C0 000040 [ 0.012971][ T0] ACPserialport: Connected to syzkaller.us-central1-c.ci-upstream-rust-kasan-gce-test-job-parallel-1 port 1 (session ID: 78645a56ed0651b1ddd0e147b1eb4987359468814ab2c3890f791e3a4eff4070, active connections: 1). I: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.012990][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.013008][ T0] ACPI: SSDT 0x00000000BFFFF470 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.013031][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.013047][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff370-0xbffff463] [ 0.013055][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd900-0xbffff363] [ 0.013062][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.013069][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd8c0-0xbfffd8ff] [ 0.013076][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.013083][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.013090][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff470-0xbffffdef] [ 0.013097][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.013231][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.013242][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.013251][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.013263][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.013275][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.013300][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.013309][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.013394][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.014162][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.303840][ T0] KernelAddressSanitizer initialized (generic) [ 0.304457][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.304493][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.304611][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.304626][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.304635][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.304644][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.304652][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.304672][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.304684][ T0] CPU topo: Max. logical packages: 1 [ 0.304689][ T0] CPU topo: Max. logical nodes: 1 [ 0.304693][ T0] CPU topo: Num. nodes per package: 1 [ 0.304702][ T0] CPU topo: Max. logical dies: 1 [ 0.304706][ T0] CPU topo: Max. dies per package: 1 [ 0.304719][ T0] CPU topo: Max. threads per core: 2 [ 0.304724][ T0] CPU topo: Num. cores per package: 1 [ 0.304728][ T0] CPU topo: Num. threads per package: 2 [ 0.304732][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.304918][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.304934][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.304943][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.304967][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.304974][ T0] Booting paravirtualized kernel on KVM [ 0.304985][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.437986][ T0] Zone ranges: [ 0.437995][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.438007][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.438016][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.438025][ T0] Device empty [ 0.438032][ T0] Movable zone start for each node [ 0.438043][ T0] Early memory node ranges [ 0.438046][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.438054][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.438063][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.438070][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.438080][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.438098][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.438150][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.438428][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.510694][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.583427][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.584125][ T0] percpu: Embedded 71 pages/cpu s253896 r8192 d28728 u1048576 [ 0.584302][ T0] kvm-guest: PV spinlocks enabled [ 0.584313][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.584334][ 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 \ [ 0.584365][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.588929][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.589007][ T0] random: crng init done [ 0.589012][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.589222][ T0] software IO TLB: area num 2. [ 0.616083][ T0] Fallback order for Node 0: 0 1 [ 0.616104][ T0] Fallback order for Node 1: 1 0 [ 0.616119][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.616127][ T0] Policy zone: Normal [ 0.616771][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.616783][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.616793][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.621136][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.340440][ T0] ********************************************************** [ 1.340451][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.340455][ T0] ** ** [ 1.340459][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.340463][ T0] ** via the console, logs, and other interfaces. This ** [ 1.340467][ T0] ** might reduce the security of your system. ** [ 1.340471][ T0] ** ** [ 1.340475][ T0] ** If you see this message and you are not debugging ** [ 1.340479][ T0] ** the kernel, report this immediately to your system ** [ 1.340483][ T0] ** administrator! ** [ 1.340487][ T0] ** ** [ 1.340491][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.340495][ T0] ** ** [ 1.340499][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.340503][ T0] ********************************************************** [ 1.343999][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.475718][ T0] allocated 167772160 bytes of page_ext [ 1.475770][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.490492][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.495374][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 1.506889][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 1.507419][ T0] Kernel/User page tables isolation: enabled [ 1.509660][ T0] Dynamic Preempt: full [ 1.510820][ T0] Running RCU self tests [ 1.510825][ T0] Running RCU synchronous self tests [ 1.510831][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.510835][ T0] rcu: RCU lockdep checking is enabled. [ 1.510838][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.510845][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 1.510851][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.510856][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 1.510860][ T0] rcu: RCU debug extended QS entry/exit. [ 1.510863][ T0] No expedited grace period (rcu_normal_after_boot). [ 1.510867][ T0] Trampoline variant of Tasks RCU enabled. [ 1.510871][ T0] Tracing variant of Tasks RCU enabled. [ 1.510874][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.510880][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.511051][ T0] Running RCU synchronous self tests [ 1.511086][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.692232][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.693385][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.694175][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.695797][ T0] Console: colour VGA+ 80x25 [ 1.924269][ T0] printk: legacy console [ttyS0] enabled [ 1.924282][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.924363][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.924368][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.924373][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.924378][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.924382][ T0] ... CLASSHASH_SIZE: 4096 [ 1.924387][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.924391][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.924396][ T0] ... CHAINHASH_SIZE: 524288 [ 1.924400][ T0] memory used by lock dependency info: 106625 kB [ 1.924405][ T0] memory used for stack traces: 8320 kB [ 1.924410][ T0] per task-struct memory footprint: 1920 bytes [ 1.924795][ T0] ACPI: Core revision 20260408 [ 1.926309][ T0] APIC: Switch to symmetric I/O mode setup [ 1.926878][ T0] x2apic enabled [ 1.932236][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.940391][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.940903][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6fb5cc36, max_idle_ns: 440795309794 ns [ 1.940957][ T0] Calibrating delay loop (skipped) preset value.. 4400.42 BogoMIPS (lpj=22002120) [ 1.941689][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.941695][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.941849][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.941868][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.941882][ T0] Spectre V2 : Mitigation: IBRS [ 1.941886][ T0] RETBleed: Mitigation: IBRS [ 1.941889][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.941894][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.941900][ T0] MDS: Mitigation: Clear CPU buffers [ 1.941906][ T0] TAA: Mitigation: Clear CPU buffers [ 1.941909][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.941914][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.941922][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 1.941938][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.941978][ T0] active return thunk: its_return_thunk [ 1.941994][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.942051][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.942058][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.942063][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.942069][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.942077][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.216585][ T0] pid_max: default: 32768 minimum: 301 [ 2.218299][ T0] landlock: Up and running. [ 2.218306][ T0] Yama: becoming mindful. [ 2.218711][ T0] TOMOYO Linux initialized [ 2.219912][ T0] AppArmor: AppArmor initialized [ 2.222572][ T0] LSM support for eBPF active [ 2.229293][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.232256][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.232675][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.232851][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.235624][ T0] VFS: Finished mounting rootfs on nullfs [ 2.240273][ T0] Running RCU synchronous self tests [ 2.240284][ T0] Running RCU synchronous self tests [ 2.361594][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.366185][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.366319][ T1] signal: max sigframe size: 1776 [ 2.371042][ T1] rcu: Hierarchical SRCU implementation. [ 2.371050][ T1] rcu: Max phase no-delay instances is 1000. [ 2.411072][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.528819][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.529845][ T1] smp: Bringing up secondary CPUs ... [ 2.542689][ T1] smpboot: x86: Booting SMP configuration: [ 2.542699][ T1] .... node #0, CPUs: #1 [ 2.543535][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 2.543550][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 2.543562][ 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. [ 2.543668][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.543682][ T1] smpboot: Total of 2 processors activated (8800.84 BogoMIPS) [ 2.545207][ T1] Memory: 6463368K/8388204K available (167904K kernel code, 29752K rwdata, 41256K rodata, 25572K init, 129268K bss, 1736464K reserved, 0K cma-reserved) [ 2.551559][ T1] devtmpfs: initialized [ 2.555675][ T1] x86/mm: Memory block size: 128MB [ 2.634389][ T1] Running RCU synchronous self tests [ 2.634457][ T1] Running RCU synchronous self tests [ 2.634693][ T1] Running RCU Tasks wait API self tests [ 2.634693][ T1] Running RCU Tasks Trace wait API self tests [ 2.643978][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.643978][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 2.643978][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 2.643978][ T1] xor: automatically using best checksumming function avx [ 2.657496][ T1] PM: RTC time: 20:22:12, date: 2026-06-02 [ 2.667008][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.677059][ T1] audit: initializing netlink subsys (disabled) [ 2.677272][ T37] audit: type=2000 audit(1780431732.619:1): state=initialized audit_enabled=0 res=1 [ 2.685854][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.690781][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.690808][ T1] cpuidle: using governor menu [ 2.692770][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.698069][ T1] Freeing SMP alternatives memory: 128K [ 2.703896][ T1] dca service started, version 1.12.1 [ 2.703896][ T1] PCI: Using configuration type 1 for base access [ 2.725316][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.725316][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.725316][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.725316][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.753735][ T1] raid6: using avx2x2 recovery algorithm [ 2.753751][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.759703][ T1] ACPI: Added _OSI(Module Device) [ 2.759719][ T1] ACPI: Added _OSI(Processor Device) [ 2.759729][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.001892][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.061217][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.094210][ T1] ACPI: Interpreter enabled [ 3.095145][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.095216][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.095892][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.095905][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.103742][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.465956][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.466102][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.466123][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.466540][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 3.467443][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 3.498496][ T1] PCI host bridge to bus 0000:00 [ 3.498515][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.499102][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.499143][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.499181][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.499219][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.499265][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.499946][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 3.504857][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 3.515094][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 3.521572][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.531073][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 3.536388][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 3.536428][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 3.545119][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 3.550559][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 3.550601][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 3.559177][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 3.564103][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 3.565046][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 3.578553][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 3.583971][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 3.595385][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 3.600090][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 3.600130][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 3.662611][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.674582][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.685018][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.695953][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.702506][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.741095][ T1] iommu: Default domain type: Translated [ 3.741110][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.758117][ T1] SCSI subsystem initialized [ 3.765867][ T1] ACPI: bus type USB registered [ 3.767516][ T1] usbcore: registered new interface driver usbfs [ 3.768407][ T1] usbcore: registered new interface driver hub [ 3.769068][ T1] usbcore: registered new device driver usb [ 3.778746][ T1] mc: Linux media interface: v0.10 [ 3.779218][ T1] videodev: Linux video capture interface: v2.00 [ 3.783035][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.783048][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.783334][ T1] PTP clock support registered [ 3.785291][ T1] EDAC MC: Ver: 3.0.0 [ 3.804035][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.822773][ T1] Bluetooth: Core ver 2.22 [ 3.823140][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.823150][ T1] Bluetooth: HCI device and connection manager initialized [ 3.823322][ T1] Bluetooth: HCI socket layer initialized [ 3.823360][ T1] Bluetooth: L2CAP socket layer initialized [ 3.823552][ T1] Bluetooth: SCO socket layer initialized [ 3.823715][ T1] NET: Registered PF_ATMPVC protocol family [ 3.823726][ T1] NET: Registered PF_ATMSVC protocol family [ 3.824355][ T1] NetLabel: Initializing [ 3.824362][ T1] NetLabel: domain hash size = 128 [ 3.824371][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.825294][ T1] NetLabel: unlabeled traffic allowed by default [ 3.830766][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.833897][ T1] NET: Registered PF_NFC protocol family [ 3.833897][ T1] mctp: management component transport protocol core [ 3.833897][ T1] NET: Registered PF_MCTP protocol family [ 3.833897][ T1] PCI: Using ACPI for IRQ routing [ 3.833897][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 3.833897][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 3.834880][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.834898][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.834909][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.834945][ T1] vgaarb: loaded [ 3.843466][ T1] clocksource: Switched to clocksource kvm-clock [ 3.850945][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.851173][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 3.880287][ T1] netfs: FS-Cache loaded [ 3.883055][ T1] CacheFiles: Loaded [ 3.884584][ T1] TOMOYO: 2.6.0 [ 3.884593][ T1] Mandatory Access Control activated. [ 3.898019][ T1] AppArmor: AppArmor Filesystem Enabled [ 3.899162][ T1] pnp: PnP ACPI init [ 3.946942][ T1] pnp: PnP ACPI: found 6 devices [ 4.069039][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.071780][ T1] NET: Registered PF_INET protocol family [ 4.074128][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.088934][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 4.089953][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.091005][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.112528][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 4.126592][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.131698][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 4.137072][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 4.140989][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.147443][ T1] RPC: Registered named UNIX socket transport module. [ 4.147463][ T1] RPC: Registered udp transport module. [ 4.147473][ T1] RPC: Registered tcp transport module. [ 4.147483][ T1] RPC: Registered tcp-with-tls transport module. [ 4.147494][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.164607][ T1] NET: Registered PF_XDP protocol family [ 4.164885][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.164918][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.164936][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.164954][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.167086][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.167473][ T1] PCI: CLS 0 bytes, default 64 [ 4.175484][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.175502][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 4.190687][ T1] ACPI: bus type thunderbolt registered [ 4.207221][ T69] kworker/u8:1 (69) used greatest stack depth: 27576 bytes left [ 4.207495][ T68] kworker/u8:3 (68) used greatest stack depth: 27008 bytes left [ 4.211304][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.250734][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 4.250767][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6fb5cc36, max_idle_ns: 440795309794 ns [ 4.251381][ T1] clocksource: Switched to clocksource tsc [ 4.272346][ T75] kworker/u8:1 (75) used greatest stack depth: 26328 bytes left [ 4.314734][ T1] Initialise system trusted keyrings [ 4.321327][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 4.335857][ T1] DLM installed [ 4.344545][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.357209][ T1] NFS: Registering the id_resolver key type [ 4.357419][ T1] Key type id_resolver registered [ 4.357433][ T1] Key type id_legacy registered [ 4.357938][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.358165][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.364737][ T1] smbdirect: subsystem loading... [ 4.378791][ T1] smbdirect: subsystem loaded [ 4.396555][ T1] Key type cifs.spnego registered [ 4.396786][ T1] Key type cifs.idmap registered [ 4.405625][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 4.405633][ T1] ntfs3: Read-only LZX/Xpress compression included [ 4.405951][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 4.406029][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 4.413869][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 4.415738][ T1] QNX4 filesystem 0.2.3 registered. [ 4.415816][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 4.421113][ T1] fuse: init (API version 7.45) [ 4.430739][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 4.433316][ T1] orangefs_init: module version upstream loaded [ 4.436002][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 4.458119][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 4.477302][ T1] 9p: Installing v9fs 9p2000 file system support [ 4.480118][ T1] NILFS version 2 loaded [ 4.480133][ T1] befs: version: 0.9.3 [ 4.481591][ T1] ocfs2: Registered cluster interface o2cb [ 4.482921][ T1] ocfs2: Registered cluster interface user [ 4.484492][ T1] OCFS2 User DLM kernel interface loaded [ 4.539686][ T1] gfs2: GFS2 installed [ 4.564737][ T1] ceph: loaded (mds proto 32) [ 4.591445][ T1] NET: Registered PF_ALG protocol family [ 4.592583][ T1] async_tx: api initialized (async) [ 4.592650][ T1] Key type asymmetric registered [ 4.592726][ T1] Asymmetric key parser 'x509' registered [ 4.592741][ T1] Asymmetric key parser 'pkcs8' registered [ 4.592755][ T1] Key type pkcs7_test registered [ 4.594280][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 4.596874][ T1] io scheduler mq-deadline registered [ 4.596893][ T1] io scheduler kyber registered [ 4.597493][ T1] io scheduler bfq registered [ 4.634697][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 4.639609][ T1] ACPI: button: Power Button [PWRF] [ 4.644488][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 4.653017][ T1] ACPI: button: Sleep Button [SLPF] [ 4.688621][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 4.742296][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 4.742503][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.798573][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 4.798752][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.860987][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 4.861151][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 4.905095][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 5.119727][ T288] kworker/u8:7 (288) used greatest stack depth: 26320 bytes left [ 6.024566][ T1] N_HDLC line discipline registered with maxframe=4096 [ 6.027769][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.043702][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.073083][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 6.101641][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 6.126076][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 6.179118][ T1] Non-volatile memory driver v1.3 [ 6.221078][ T1] usbcore: registered new interface driver xillyusb [ 6.236814][ T1] ACPI: bus type drm_connector registered [ 6.248380][ T811] kworker/u8:8 (811) used greatest stack depth: 25768 bytes left [ 6.249098][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 6.272438][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 6.429359][ T1] Console: switching to colour frame buffer device 128x48 [ 6.493064][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 6.494955][ T1] usbcore: registered new interface driver udl [ 6.507138][ T1] usbcore: registered new interface driver gm12u320 [ 6.509078][ T1] usbcore: registered new interface driver gud [ 6.719221][ T1] brd: module loaded [ 7.278803][ T1] loop: module loaded [ 7.747321][ T1] zram: Added device: zram0 [ 7.783968][ T1] null_blk: disk nullb0 created [ 7.783987][ T1] null_blk: module loaded [ 7.784017][ T1] rnull_mod: Rust null_blk loaded [ 7.796974][ T1] Guest personality initialized and is inactive [ 7.801405][ T1] VMCI host device registered (name=vmci, major=10, minor=267) [ 7.801424][ T1] Initialized host personality [ 7.803942][ T1] usbcore: registered new interface driver rtsx_usb [ 7.820635][ T1] usbcore: registered new interface driver viperboard [ 7.824122][ T1] usbcore: registered new interface driver dln2 [ 7.826422][ T1] usbcore: registered new interface driver pn533_usb [ 7.848355][ T1] nfcsim 0.2 initialized [ 7.849437][ T1] usbcore: registered new interface driver port100 [ 7.851062][ T1] usbcore: registered new interface driver nfcmrvl [ 7.866037][ T1] Loading iSCSI transport class v2.0-870. [ 7.906991][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 7.944268][ T1] scsi host0: Virtio SCSI HBA [ 7.945153][ T1] blk-mq: reduced tag depth to 10240 [ 8.184039][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 8.205516][ T147] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 8.227319][ T1] ------------[ cut here ]------------ [ 8.227332][ T1] workqueue: nvme_tcp_wq is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU. [ 8.227347][ T1] WARNING: kernel/workqueue.c:5856 at __alloc_workqueue+0x1d02/0x2070, CPU#1: swapper/0/1 [ 8.227394][ T1] Modules linked in: [ 8.227435][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 8.227456][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 8.227471][ T1] RIP: 0010:__alloc_workqueue+0x1d07/0x2070 [ 8.227494][ T1] Code: e9 36 f9 ff ff e8 89 90 37 00 e9 05 fb ff ff e8 7f 90 37 00 e9 92 fb ff ff e8 75 90 37 00 48 8d 3d 0e 9e 23 0e 48 8b 74 24 20 <67> 48 0f b9 3a 81 cd 00 01 00 00 e9 88 e5 ff ff e8 54 90 37 00 48 [ 8.227510][ T1] RSP: 0000:ffffc900000677a8 EFLAGS: 00010293 [ 8.227584][ T1] RAX: ffffffff818e1cbb RBX: 0000000000000000 RCX: ffff88801d68dd00 [ 8.227598][ T1] RDX: 0000000000000000 RSI: ffff888028db3968 RDI: ffffffff8fb1bad0 [ 8.227610][ T1] RBP: 0000000000000058 R08: ffff88801d68dd00 R09: 0000000000000002 [ 8.227622][ T1] R10: 0000000000000100 R11: 0000000000000102 R12: dffffc0000000000 [ 8.227634][ T1] R13: ffff888028db3800 R14: ffffc900000678c0 R15: 0000000000000000 [ 8.227647][ T1] FS: 0000000000000000(0000) GS:ffff888125d7a000(0000) knlGS:0000000000000000 [ 8.227662][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.227675][ T1] CR2: 0000000000000000 CR3: 000000000dfb8000 CR4: 00000000003526f0 [ 8.227691][ T1] Call Trace: [ 8.227703][ T1] [ 8.227724][ T1] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 8.227756][ T1] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 8.227787][ T1] ? reacquire_held_locks+0x104/0x190 [ 8.227813][ T1] ? rt_spin_lock+0x1e0/0x400 [ 8.227848][ T1] alloc_workqueue_noprof+0xe3/0x210 [ 8.227875][ T1] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 8.227899][ T1] ? add_device_randomness+0xc1/0x100 [ 8.227928][ T1] ? __pfx_add_device_randomness+0x10/0x10 [ 8.227958][ T1] ? __pfx_nvme_fc_init_module+0x10/0x10 [ 8.227982][ T1] ? __pfx_nvme_tcp_init_module+0x10/0x10 [ 8.228006][ T1] nvme_tcp_init_module+0x27/0x100 [ 8.228031][ T1] do_one_initcall+0x250/0x870 [ 8.228055][ T1] ? __pfx_nvme_tcp_init_module+0x10/0x10 [ 8.228080][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.228110][ T1] ? __pfx___schedule+0x10/0x10 [ 8.228136][ T1] ? __pfx___schedule+0x10/0x10 [ 8.228175][ T1] ? irqentry_exit+0x218/0x8b0 [ 8.228203][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 8.228231][ T1] ? irqentry_exit+0x218/0x8b0 [ 8.228257][ T1] ? trace_irq_disable+0x3b/0x140 [ 8.228298][ T1] ? parameq+0xec/0x170 [ 8.228324][ T1] ? next_arg+0x498/0x5e0 [ 8.228344][ T1] ? parameq+0x14d/0x170 [ 8.228371][ T1] ? parse_args+0x9fc/0xb00 [ 8.228441][ T1] ? rcu_is_watching+0x15/0xb0 [ 8.228477][ T1] do_initcall_level+0x104/0x190 [ 8.228504][ T1] ? kernel_init+0x1d/0x1d0 [ 8.228526][ T1] do_initcalls+0x59/0xa0 [ 8.228554][ T1] kernel_init_freeable+0x2a6/0x3e0 [ 8.228582][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.228606][ T1] kernel_init+0x1d/0x1d0 [ 8.228626][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.228647][ T1] ret_from_fork+0x514/0xb70 [ 8.228674][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 8.228696][ T1] ? __switch_to+0xc79/0x1410 [ 8.228717][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.228740][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.228786][ T1] [ 8.228801][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 8.228816][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 8.228837][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 8.228848][ T1] Call Trace: [ 8.228855][ T1] [ 8.228863][ T1] vpanic+0x56c/0xa60 [ 8.228891][ T1] ? __pfx__printk+0x10/0x10 [ 8.228911][ T1] ? __pfx_vpanic+0x10/0x10 [ 8.228935][ T1] ? is_bpf_text_address+0x292/0x2b0 [ 8.228960][ T1] ? is_bpf_text_address+0x26/0x2b0 [ 8.228989][ T1] panic+0xc5/0xd0 [ 8.229013][ T1] ? __pfx_panic+0x10/0x10 [ 8.229045][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 8.229074][ T1] __warn+0x315/0x4c0 [ 8.229100][ T1] ? __alloc_workqueue+0x1d02/0x2070 [ 8.229123][ T1] ? __alloc_workqueue+0x1d02/0x2070 [ 8.229146][ T1] __report_bug+0x339/0x540 [ 8.229163][ T1] ? do_initcalls+0x59/0xa0 [ 8.229186][ T1] ? kernel_init_freeable+0x2a6/0x3e0 [ 8.229211][ T1] ? kernel_init+0x1d/0x1d0 [ 8.229236][ T1] ? __alloc_workqueue+0x1d02/0x2070 [ 8.229258][ T1] ? __pfx___report_bug+0x10/0x10 [ 8.229293][ T1] report_bug_entry+0x19a/0x290 [ 8.229312][ T1] ? __alloc_workqueue+0x1d07/0x2070 [ 8.229332][ T1] ? __alloc_workqueue+0x1d0c/0x2070 [ 8.229353][ T1] handle_bug+0xce/0x200 [ 8.229374][ T1] exc_invalid_op+0x1a/0x50 [ 8.229396][ T1] asm_exc_invalid_op+0x1a/0x20 [ 8.229415][ T1] RIP: 0010:__alloc_workqueue+0x1d07/0x2070 [ 8.229437][ T1] Code: e9 36 f9 ff ff e8 89 90 37 00 e9 05 fb ff ff e8 7f 90 37 00 e9 92 fb ff ff e8 75 90 37 00 48 8d 3d 0e 9e 23 0e 48 8b 74 24 20 <67> 48 0f b9 3a 81 cd 00 01 00 00 e9 88 e5 ff ff e8 54 90 37 00 48 [ 8.229453][ T1] RSP: 0000:ffffc900000677a8 EFLAGS: 00010293 [ 8.229469][ T1] RAX: ffffffff818e1cbb RBX: 0000000000000000 RCX: ffff88801d68dd00 [ 8.229483][ T1] RDX: 0000000000000000 RSI: ffff888028db3968 RDI: ffffffff8fb1bad0 [ 8.229496][ T1] RBP: 0000000000000058 R08: ffff88801d68dd00 R09: 0000000000000002 [ 8.229509][ T1] R10: 0000000000000100 R11: 0000000000000102 R12: dffffc0000000000 [ 8.229543][ T1] R13: ffff888028db3800 R14: ffffc900000678c0 R15: 0000000000000000 [ 8.229565][ T1] ? __alloc_workqueue+0x1cfb/0x2070 [ 8.229593][ T1] ? __alloc_workqueue+0x1cfb/0x2070 [ 8.229615][ T1] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 8.229644][ T1] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 8.229667][ T1] ? reacquire_held_locks+0x104/0x190 [ 8.229692][ T1] ? rt_spin_lock+0x1e0/0x400 [ 8.229722][ T1] alloc_workqueue_noprof+0xe3/0x210 [ 8.229750][ T1] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 8.229779][ T1] ? add_device_randomness+0xc1/0x100 [ 8.229808][ T1] ? __pfx_add_device_randomness+0x10/0x10 [ 8.229837][ T1] ? __pfx_nvme_fc_init_module+0x10/0x10 [ 8.229860][ T1] ? __pfx_nvme_tcp_init_module+0x10/0x10 [ 8.229885][ T1] nvme_tcp_init_module+0x27/0x100 [ 8.229909][ T1] do_one_initcall+0x250/0x870 [ 8.229932][ T1] ? __pfx_nvme_tcp_init_module+0x10/0x10 [ 8.229957][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.229987][ T1] ? __pfx___schedule+0x10/0x10 [ 8.230013][ T1] ? __pfx___schedule+0x10/0x10 [ 8.230051][ T1] ? irqentry_exit+0x218/0x8b0 [ 8.230079][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 8.230108][ T1] ? irqentry_exit+0x218/0x8b0 [ 8.230134][ T1] ? trace_irq_disable+0x3b/0x140 [ 8.230168][ T1] ? parameq+0xec/0x170 [ 8.230192][ T1] ? next_arg+0x498/0x5e0 [ 8.230212][ T1] ? parameq+0x14d/0x170 [ 8.230239][ T1] ? parse_args+0x9fc/0xb00 [ 8.230280][ T1] ? rcu_is_watching+0x15/0xb0 [ 8.230311][ T1] do_initcall_level+0x104/0x190 [ 8.230338][ T1] ? kernel_init+0x1d/0x1d0 [ 8.230360][ T1] do_initcalls+0x59/0xa0 [ 8.230387][ T1] kernel_init_freeable+0x2a6/0x3e0 [ 8.230415][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.230439][ T1] kernel_init+0x1d/0x1d0 [ 8.230459][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.230480][ T1] ret_from_fork+0x514/0xb70 [ 8.230505][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 8.230527][ T1] ? __switch_to+0xc79/0x1410 [ 8.230548][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.230572][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.230612][ T1] [ 8.230983][ T1] Kernel Offset: disabled syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build3962428451=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at d6526ea3e6a nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\" /usr/bin/ld: /tmp/cc3wQdRR.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking ./tools/check-syzos.sh 2>/dev/null