WARNING in drm_mode_config_validate romfs: ROMFS MTD (C) 2007 Red Hat, Inc. QNX4 filesystem 0.2.3 registered. qnx6: QNX6 filesystem 1.0.0 registered. fuse: init (API version 7.46) orangefs_debugfs_init: called with debug mask: :none: :0: orangefs_init: module version upstream loaded JFS: nTxBlock = 8192, nTxLock = 65536 SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled 9p: Installing v9fs 9p2000 file system support NILFS version 2 loaded befs: version: 0.9.3 ocfs2: Registered cluster interface o2cb ocfs2: Registered cluster interface user OCFS2 User DLM kernel interface loaded gfs2: GFS2 installed ceph: loaded (mds proto 32) NET: Registered PF_ALG protocol family async_tx: api initialized (async) Key type asymmetric registered Asymmetric key parser 'x509' registered Asymmetric key parser 'pkcs8' registered Key type pkcs7_test registered Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered raid6: skipped pq benchmark and selected avx512x4 input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 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 N_HDLC line discipline registered with maxframe=4096 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:02: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:04: ttyS2 I/O:0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:05: ttyS3 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 ------------[ cut here ]------------ [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup WARNING: drivers/gpu/drm/drm_mode_config.c:872 at validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline], CPU#1: swapper/0/1 WARNING: drivers/gpu/drm/drm_mode_config.c:872 at drm_mode_config_validate+0xfb4/0x1be0 drivers/gpu/drm/drm_mode_config.c:938, CPU#1: swapper/0/1 Modules linked in: CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 RIP: 0010:validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 drivers/gpu/drm/drm_mode_config.c:938 Code: 00 49 8b 57 18 48 89 f8 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 00 0b 00 00 48 8d 3d 5c 1f 7e 0b 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 d1 aa 39 fc 48 8d RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888027a14860 RSI: 0000000000000023 RDI: ffffffff91504ba0 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004f77623 R13: ffffed1004f77624 R14: 0000000000000001 R15: ffff888027bbb028 FS: 0000000000000000(0000) GS:ffff888123c65000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000eb96000 CR4: 00000000003526f0 Call Trace: drm_dev_register+0x56e/0x7b0 drivers/gpu/drm/drm_drv.c:1077 vkms_create+0x491/0x5b0 drivers/gpu/drm/vkms/vkms_drv.c:208 vkms_init+0x98/0xe0 drivers/gpu/drm/vkms/vkms_drv.c:240 do_one_initcall+0x11c/0x6f0 init/main.c:1357 do_initcall_level init/main.c:1419 [inline] do_initcalls init/main.c:1435 [inline] do_basic_setup init/main.c:1455 [inline] kernel_init_freeable+0x6ea/0x7b0 init/main.c:1670 kernel_init+0x21/0x1e0 init/main.c:1560 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 00 49 8b add %cl,-0x75(%rcx) 3: 57 push %rdi 4: 18 48 89 sbb %cl,-0x77(%rax) 7: f8 clc 8: 48 c1 e8 03 shr $0x3,%rax c: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax 10: 84 c0 test %al,%al 12: 74 08 je 0x1c 14: 3c 03 cmp $0x3,%al 16: 0f 8e 00 0b 00 00 jle 0xb1c 1c: 48 8d 3d 5c 1f 7e 0b lea 0xb7e1f5c(%rip),%rdi # 0xb7e1f7f 23: 41 8b b7 c8 00 00 00 mov 0xc8(%r15),%esi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 fa fd ff ff jmp 0xfffffe2e 34: 48 8b 5c 24 20 mov 0x20(%rsp),%rbx 39: e8 d1 aa 39 fc call 0xfc39ab0f 3e: 48 rex.W 3f: 8d .byte 0x8d 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@10.128.1.183" "pwd"]: exit status 255 ssh: connect to host 10.128.1.183 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 15822dbc-179b-0834-960d-65fc9922ee4f 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 0x000f25e0: 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) (gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44) #0 SMP PREEMPT_DYNAMIC 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] 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 08/05/2026 [ 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 7353628210 cycles [ 0.001026][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004449][ T0] tsc: Detected 2800.172 MHz processor [ 0.010672][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.011599][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.013172][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014275][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.020204][ T0] found SMP MP-table at [mem 0x000f28a0-0x000f28af] [ 0.021201][ T0] Using GB pages for direct mapping [ 0.024835][ T0] ACPI: Early table checksum verification disabled [ 0.025825][ T0] ACPI: RSDP 0x00000000000F2620 000014 (v00 Google) [ 0.026748][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.028168][ T0] ACPI: FACP 0x00000000BFFFF360 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.029460][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A93 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.030831][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.031627][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.032375][ T0] ACPI: SRAT 0x00000000BFFFFE90 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.033607][ T0] ACPI: APIC 0x00000000BFFFFDE0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.034838][ T0] ACPI: SSDT 0x00000000BFFFF460 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.036122][ T0] ACPI: WAET 0x00000000BFFFFE60 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.037422][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff360-0xbffff453] [ 0.038539][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff352] [ 0.039601][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.040630][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.041730][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe90-0xbfffff57] [ 0.042826][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffde0-0xbffffe55] [ 0.043883][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff460-0xbffffddf] [ 0.045157][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe60-0xbffffe87] [ 0.046615][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.047745][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.048777][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.049754][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.051609][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.053137][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.054346][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.056080][ T0] NODE_DATA(0) allocated [mem 0x13fffb100-0x140000fff] [ 0.057796][ T0] NODE_DATA(1) allocated [mem 0x23fff7100-0x23fffcfff] [ 0.334335][ T0] KernelAddressSanitizer initialized (generic) [ 0.335832][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.336689][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.337699][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.338700][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.339670][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.340700][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.341720][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.342744][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.344023][ T0] CPU topo: Max. logical packages: 1 [ 0.345216][ T0] CPU topo: Max. logical nodes: 1 [ 0.346041][ T0] CPU topo: Num. nodes per package: 1 [ 0.346870][ T0] CPU topo: Max. logical dies: 1 [ 0.347588][ T0] CPU topo: Max. dies per package: 1 [ 0.348334][ T0] CPU topo: Max. threads per core: 2 [ 0.349034][ T0] CPU topo: Num. cores per package: 1 [ 0.349798][ T0] CPU topo: Num. threads per package: 2 [ 0.350569][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.351567][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.352675][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.353758][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.355030][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.356335][ T0] Booting paravirtualized kernel on KVM [ 0.357189][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.424393][ T0] Zone ranges: [ 0.425136][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.426238][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.427181][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.428107][ T0] Device empty [ 0.428625][ T0] Movable zone start for each node [ 0.429314][ T0] Early memory node ranges [ 0.429907][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.430979][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.431940][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.432870][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.433804][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.434915][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.472515][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.473938][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.516242][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.559044][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.560794][ T0] percpu: Embedded 72 pages/cpu s254024 r8192 d32696 u1048576 [ 0.561975][ T0] kvm-guest: PV spinlocks enabled [ 0.562714][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.563858][ 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 \ [ 0.576851][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.583408][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.584868][ T0] random: crng init done [ 0.585474][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.586807][ T0] software IO TLB: area num 2. [ 0.612267][ T0] Fallback order for Node 0: 0 1 [ 0.612288][ T0] Fallback order for Node 1: 1 0 [ 0.612301][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.614840][ T0] Policy zone: Normal [ 0.615931][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.617030][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.618014][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.623636][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.207645][ T0] ********************************************************** [ 1.208834][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.209912][ T0] ** ** [ 1.210876][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.211990][ T0] ** via the console, logs, and other interfaces. This ** [ 1.213007][ T0] ** might reduce the security of your system. ** [ 1.214207][ T0] ** ** [ 1.215221][ T0] ** If you see this message and you are not debugging ** [ 1.216184][ T0] ** the kernel, report this immediately to your system ** [ 1.217273][ T0] ** administrator! ** [ 1.218432][ T0] ** ** [ 1.219409][ T0] ** Use hash_pointers=always toserialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-selinux-root-test-job-parallel-1 port 1 (session ID: c69f014874f27b375eec329cb821302c9d9714f9556e398686e4135272e5905e, active connections: 1). force this mode off ** [ 1.220932][ T0] ** ** [ 1.222113][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.223070][ T0] ********************************************************** [ 1.226189][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.325925][ T0] allocated 167772160 bytes of page_ext [ 1.326965][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.346539][ T0] Node 0, zone DMA32: page owner found early allocated 21232 pages [ 1.359582][ T0] Node 0, zone Normal: page owner found early allocated 19 pages [ 1.372569][ T0] Node 1, zone Normal: page owner found early allocated 19847 pages [ 1.374805][ T0] Dynamic Preempt: full [ 1.376843][ T0] Running RCU self tests [ 1.377411][ T0] Running RCU synchronous self tests [ 1.378189][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.379031][ T0] rcu: RCU lockdep checking is enabled. [ 1.379768][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.380727][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.381980][ T0] rcu: RCU debug extended QS entry/exit. [ 1.383110][ T0] All grace periods are expedited (rcu_expedited). [ 1.384270][ T0] Trampoline variant of Tasks RCU enabled. [ 1.385083][ T0] Tracing variant of Tasks RCU enabled. [ 1.385994][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.387164][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.388520][ T0] Running RCU synchronous self tests [ 1.389350][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.596575][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.598615][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.600093][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.602442][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.605298][ T0] Console: colour VGA+ 80x25 [ 1.606295][ T0] printk: console [ttyS0] enabled [ 1.606295][ T0] printk: console [ttyS0] enabled [ 1.608173][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.608173][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.610325][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.611564][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.612252][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.613036][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.613814][ T0] ... CLASSHASH_SIZE: 4096 [ 1.614537][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.615375][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.616239][ T0] ... CHAINHASH_SIZE: 524288 [ 1.617021][ T0] memory used by lock dependency info: 106625 kB [ 1.617933][ T0] memory used for stack traces: 8320 kB [ 1.618797][ T0] per task-struct memory footprint: 1920 bytes [ 1.620008][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.622218][ T0] ACPI: Core revision 20260408 [ 1.624074][ T0] APIC: Switch to symmetric I/O mode setup [ 1.625596][ T0] x2apic enabled [ 1.629303][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.636332][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.637849][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x285ce32725a, max_idle_ns: 440795269150 ns [ 1.639541][ T0] Calibrating delay loop (skipped) preset value.. 5600.34 BogoMIPS (lpj=28001720) [ 1.641490][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.642643][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.643685][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.649600][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.651137][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.652093][ T0] RETBleed: Mitigation: Enhanced IBRS [ 1.652868][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.653865][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.655032][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.656398][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.657724][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.659548][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.660695][ T0] Spectre V2 : Enabling IBPB for BPF [ 1.661618][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.662928][ T0] active return thunk: its_return_thunk [ 1.663682][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.664923][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.666070][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.667146][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.669541][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.670606][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 1.671620][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 1.672683][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.673678][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 1.675011][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 1.676144][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 1.677155][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 1.935424][ T0] pid_max: default: 32768 minimum: 301 [ 1.937694][ T0] landlock: Up and running. [ 1.938388][ T0] Yama: becoming mindful. [ 1.939208][ T0] TOMOYO Linux initialized [ 1.939573][ T0] SELinux: Initializing. [ 1.943023][ T0] LSM support for eBPF active [ 1.944274][ T0] debugfs: Unable to create file 'net_refcnt@ffffffff9bdeac40', debugfs is not initialized yet [ 1.945733][ T0] debugfs: Unable to create file 'net_notrefcnt@ffffffff9bdeacb8', debugfs is not initialized yet [ 1.952515][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.956642][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.958533][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.959662][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.962550][ T0] VFS: Finished mounting rootfs on nullfs [ 1.966636][ T0] Running RCU synchronous self tests [ 1.967401][ T0] Running RCU synchronous self tests [ 2.089301][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 2.089531][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only. [ 2.089531][ T1] signal: max sigframe size: 3632 [ 2.089531][ T1] rcu: Hierarchical SRCU implementation. [ 2.089531][ T1] rcu: Max phase no-delay instances is 1000. [ 2.089933][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.138320][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.149639][ T1] smp: Bringing up secondary CPUs ... [ 2.152413][ T1] smpboot: x86: Booting SMP configuration: [ 2.153518][ T1] .... node #0, CPUs: #1 [ 2.153834][ 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. [ 2.153834][ 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. [ 2.153834][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.153834][ T1] smpboot: Total of 2 processors activated (11200.68 BogoMIPS) [ 2.161366][ T1] Memory: 6436052K/8388204K available (177313K kernel code, 43454K rwdata, 43656K rodata, 28324K init, 120192K bss, 1761916K reserved, 0K cma-reserved) [ 2.164894][ T1] devtmpfs: initialized [ 2.169545][ T1] x86/mm: Memory block size: 128MB [ 2.212503][ T1] Running RCU synchronous self tests [ 2.212545][ T1] Running RCU synchronous self tests [ 2.212686][ T1] Running RCU Tasks wait API self tests [ 2.329760][ T1] Running RCU Tasks Trace wait API self tests [ 2.331198][ T1] posixtimers hash table entries: 1024 (order: 5, 73728 bytes, vmalloc) [ 2.331198][ T1] futex hash table entries: 256 (32768 bytes on 2 NUMA nodes, total 64 KiB, linear). [ 2.332136][ T1] xor: automatically using best checksumming function avx [ 2.339718][ T1] PM: RTC time: 10:36:30, date: 2026-08-31 [ 2.345557][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.352846][ T1] audit: initializing netlink subsys (disabled) [ 2.353797][ T31] audit: type=2000 audit(1788172589.989:1): state=initialized audit_enabled=0 res=1 [ 2.359561][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.359589][ T1] cpuidle: using governor menu [ 2.360113][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.371299][ T1] dca service started, version 1.12.1 [ 2.371571][ T1] PCI: Using configuration type 1 for base access [ 2.380198][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.381932][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.383315][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.383341][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.383355][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.422877][ T1] raid6: using avx512x2 recovery algorithm [ 2.424273][ T1] ACPI: Added _OSI(Module Device) [ 2.424273][ T1] ACPI: Added _OSI(Processor Device) [ 2.424520][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.440351][ T29] Callback from call_rcu_tasks() invoked. [ 2.593710][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.664442][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 2.689398][ T1] ACPI: Interpreter enabled [ 2.689927][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.689957][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.690343][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.690355][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 2.695285][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.925103][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.925868][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 2.946656][ T1] PCI host bridge to bus 0000:00 [ 2.946754][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.947173][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.947210][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.947243][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.947277][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.947314][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.947665][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 2.950756][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 2.957125][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 2.961736][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.966791][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 2.971493][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 2.971535][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 2.977291][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 2.981596][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 2.981636][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 2.987073][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 2.992340][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 2.993334][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 3.001874][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 3.006526][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 3.006567][ T1] pci 0000:00:06.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 3.051589][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.059319][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.067000][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.074604][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.078185][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.101406][ T1] iommu: Default domain type: Translated [ 3.101438][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.105153][ T1] SCSI subsystem initialized [ 3.121972][ T1] ACPI: bus type USB registered [ 3.124349][ T1] usbcore: registered new interface driver usbfs [ 3.129565][ T1] usbcore: registered new interface driver hub [ 3.129565][ T1] usbcore: registered new device driver usb [ 3.129565][ T1] mc: Linux media interface: v0.10 [ 3.129565][ T1] videodev: Linux video capture interface: v2.00 [ 3.136183][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.137110][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.138713][ T1] PTP clock support registered [ 3.149966][ T1] EDAC MC: Ver: 3.0.0 [ 3.166389][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.175778][ T1] Bluetooth: Core ver 2.22 [ 3.176835][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.177781][ T1] Bluetooth: HCI device and connection manager initialized [ 3.178855][ T1] Bluetooth: HCI socket layer initialized [ 3.179580][ T1] Bluetooth: L2CAP socket layer initialized [ 3.180699][ T1] Bluetooth: SCO socket layer initialized [ 3.181879][ T1] NET: Registered PF_ATMPVC protocol family [ 3.183469][ T1] NetLabel: Initializing [ 3.184241][ T1] NetLabel: domain hash size = 128 [ 3.185177][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.186764][ T1] NetLabel: unlabeled traffic allowed by default [ 3.191248][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.192587][ T1] NET: Registered PF_NFC protocol family [ 3.194028][ T1] mctp: management component transport protocol core [ 3.195264][ T1] NET: Registered PF_MCTP protocol family [ 3.196695][ T1] PCI: Using ACPI for IRQ routing [ 3.197728][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 3.199007][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 3.200786][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.200805][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.200819][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.204722][ T1] vgaarb: loaded [ 3.214564][ T1] clocksource: Switched to clocksource kvm-clock [ 3.220722][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.222159][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 3.231265][ T1] netfs: FS-Cache loaded [ 3.234106][ T1] CacheFiles: Loaded [ 3.236187][ T1] TOMOYO: 2.6.0 [ 3.236788][ T1] Mandatory Access Control activated. [ 3.238423][ T1] pnp: PnP ACPI init [ 3.269664][ T1] pnp: PnP ACPI: found 6 devices [ 3.342961][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.352346][ T1] NET: Registered PF_INET protocol family [ 3.355095][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.367877][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 7, 294912 bytes, vmalloc) [ 3.370711][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 3.373291][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.385547][ T1] TCP bind hash table entries: 65536 (order: 12, 9437184 bytes, vmalloc hugepage) [ 3.393661][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.397399][ T1] MPTCP token hash table entries: 8192 (order: 8, 720896 bytes, vmalloc) [ 3.400924][ T1] UDP hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc) [ 3.404182][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.411572][ T1] RPC: Registered named UNIX socket transport module. [ 3.413199][ T1] RPC: Registered udp transport module. [ 3.414079][ T1] RPC: Registered tcp transport module. [ 3.414926][ T1] RPC: Registered tcp-with-tls transport module. [ 3.415874][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.424329][ T1] NET: Registered PF_XDP protocol family [ 3.425489][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.426780][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.427855][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.429423][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 3.432220][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.433681][ T1] PCI: CLS 0 bytes, default 64 [ 3.434929][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.437630][ T1] software IO TLB: mapped [mem 0x00000000b4400000-0x00000000b8400000] (64MB) [ 3.440304][ T1] ACPI: bus type thunderbolt registered [ 3.457158][ T60] kworker/u8:3 (60) used greatest stack depth: 27880 bytes left [ 3.460006][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.483867][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 3.484542][ T62] kworker/u8:2 (62) used greatest stack depth: 27160 bytes left [ 3.486256][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x285ce32725a, max_idle_ns: 440795269150 ns [ 3.488472][ T1] clocksource: Switched to clocksource tsc [ 3.523013][ T1] Initialise system trusted keyrings [ 3.526797][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 3.535793][ T1] DLM installed [ 3.541986][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 3.550171][ T1] NFS: Registering the id_resolver key type [ 3.551232][ T1] Key type id_resolver registered [ 3.552038][ T1] Key type id_legacy registered [ 3.553117][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 3.554408][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 3.560217][ T1] smbdirect: subsystem loading... [ 3.568727][ T1] smbdirect: subsystem loaded [ 3.585999][ T1] Key type cifs.spnego registered [ 3.587259][ T1] Key type cifs.idmap registered [ 3.593788][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 3.594840][ T1] ntfs3: Read-only LZX/Xpress compression included [ 3.596200][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 3.599424][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 3.601080][ T1] QNX4 filesystem 0.2.3 registered. [ 3.602026][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 3.604181][ T1] fuse: init (API version 7.46) [ 3.609768][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 3.612294][ T1] orangefs_init: module version upstream loaded [ 3.614231][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 3.629821][ T1] SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled [ 3.638637][ T1] 9p: Installing v9fs 9p2000 file system support [ 3.641019][ T1] NILFS version 2 loaded [ 3.641796][ T1] befs: version: 0.9.3 [ 3.643277][ T1] ocfs2: Registered cluster interface o2cb [ 3.645240][ T1] ocfs2: Registered cluster interface user [ 3.646934][ T1] OCFS2 User DLM kernel interface loaded [ 3.669685][ T1] gfs2: GFS2 installed [ 3.684713][ T1] ceph: loaded (mds proto 32) [ 3.699225][ T1] NET: Registered PF_ALG protocol family [ 3.701213][ T1] async_tx: api initialized (async) [ 3.702013][ T1] Key type asymmetric registered [ 3.702812][ T1] Asymmetric key parser 'x509' registered [ 3.703725][ T1] Asymmetric key parser 'pkcs8' registered [ 3.704729][ T1] Key type pkcs7_test registered [ 3.706869][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 3.709629][ T1] io scheduler mq-deadline registered [ 3.710514][ T1] io scheduler kyber registered [ 3.711663][ T1] io scheduler bfq registered [ 3.713717][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 3.734548][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 3.738269][ T1] ACPI: button: Power Button [PWRF] [ 3.742091][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 3.744908][ T1] ACPI: button: Sleep Button [SLPF] [ 3.747251][ T164] kworker/u8:3 (164) used greatest stack depth: 26904 bytes left [ 3.764689][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 3.797287][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 3.798540][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 3.834047][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 3.835198][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 3.870818][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 3.871873][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 4.463531][ T1] N_HDLC line discipline registered with maxframe=4096 [ 4.466143][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.477632][ T1] 00:02: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.494957][ T1] 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.512363][ T1] 00:04: ttyS2 I/O:0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.527464][ T1] 00:05: ttyS3 I/O:0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.558586][ T1] Non-volatile memory driver v1.3 [ 4.578432][ T1] usbcore: registered new interface driver xillyusb [ 4.584967][ T1] ACPI: bus type drm_connector registered [ 4.593877][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 4.601531][ T1] ------------[ cut here ]------------ [ 4.601561][ T1] [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup [ 4.601579][ T1] WARNING: drivers/gpu/drm/drm_mode_config.c:872 at drm_mode_config_validate+0xfb4/0x1be0, CPU#1: swapper/0/1 [ 4.605357][ T1] Modules linked in: [ 4.605941][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 4.607286][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 [ 4.608865][ T1] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 [ 4.610255][ T1] Code: 00 49 8b 57 18 48 89 f8 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 00 0b 00 00 48 8d 3d 5c 1f 7e 0b 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 d1 aa 39 fc 48 8d [ 4.613458][ T1] RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 [ 4.614327][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 4.615493][ T1] RDX: ffff888027a14860 RSI: 0000000000000023 RDI: ffffffff91504ba0 [ 4.616662][ T1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 4.617843][ T1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004f77623 [ 4.619247][ T1] R13: ffffed1004f77624 R14: 0000000000000001 R15: ffff888027bbb028 [ 4.620935][ T1] FS: 0000000000000000(0000) GS:ffff888123c65000(0000) knlGS:0000000000000000 [ 4.622254][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.623267][ T1] CR2: 0000000000000000 CR3: 000000000eb96000 CR4: 00000000003526f0 [ 4.624414][ T1] Call Trace: [ 4.624912][ T1] [ 4.625427][ T1] drm_dev_register+0x56e/0x7b0 [ 4.626244][ T1] vkms_create+0x491/0x5b0 [ 4.627147][ T1] ? __pfx_vkms_init+0x10/0x10 [ 4.627983][ T1] vkms_init+0x98/0xe0 [ 4.628641][ T1] do_one_initcall+0x11c/0x6f0 [ 4.629391][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 4.630294][ T1] ? kernel_init_freeable+0x4ca/0x7b0 [ 4.631363][ T1] kernel_init_freeable+0x6ea/0x7b0 [ 4.632148][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.632889][ T1] kernel_init+0x21/0x1e0 [ 4.633551][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.634383][ T1] ret_from_fork+0x730/0xd60 [ 4.635179][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 4.635928][ T1] ? __switch_to+0x800/0x10f0 [ 4.636696][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.637489][ T1] ret_from_fork_asm+0x1a/0x30 [ 4.638367][ T1] [ 4.638850][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 4.640061][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 4.640168][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 [ 4.640168][ T1] Call Trace: [ 4.640168][ T1] [ 4.640168][ T1] dump_stack_lvl+0x100/0x190 [ 4.640168][ T1] vpanic+0x553/0x970 [ 4.640168][ T1] ? __pfx_vpanic+0x10/0x10 [ 4.640168][ T1] panic+0xd1/0xe0 [ 4.640168][ T1] ? __pfx_panic+0x10/0x10 [ 4.640168][ T1] check_panic_on_warn.cold+0x19/0x34 [ 4.640168][ T1] ? drm_mode_config_validate+0xfb4/0x1be0 [ 4.640168][ T1] __warn.cold+0x191/0x318 [ 4.640168][ T1] __report_bug+0x30f/0x440 [ 4.640168][ T1] ? drm_mode_config_validate+0xfb4/0x1be0 [ 4.640168][ T1] ? __pfx___report_bug+0x10/0x10 [ 4.640168][ T1] ? reacquire_held_locks+0xdd/0x1f0 [ 4.640168][ T1] report_bug_entry+0xe2/0x290 [ 4.640168][ T1] ? drm_mode_config_validate+0xfbb/0x1be0 [ 4.640168][ T1] handle_bug+0x1cd/0x2a0 [ 4.640168][ T1] exc_invalid_op+0x17/0x50 [ 4.640168][ T1] asm_exc_invalid_op+0x1a/0x20 [ 4.640168][ T1] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 [ 4.640168][ T1] Code: 00 49 8b 57 18 48 89 f8 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 00 0b 00 00 48 8d 3d 5c 1f 7e 0b 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 d1 aa 39 fc 48 8d [ 4.640168][ T1] RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 [ 4.640168][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 4.640168][ T1] RDX: ffff888027a14860 RSI: 0000000000000023 RDI: ffffffff91504ba0 [ 4.640168][ T1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 4.640168][ T1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004f77623 [ 4.640168][ T1] R13: ffffed1004f77624 R14: 0000000000000001 R15: ffff888027bbb028 [ 4.640168][ T1] ? drm_mode_config_validate+0xf76/0x1be0 [ 4.640168][ T1] drm_dev_register+0x56e/0x7b0 [ 4.640168][ T1] vkms_create+0x491/0x5b0 [ 4.640168][ T1] ? __pfx_vkms_init+0x10/0x10 [ 4.640168][ T1] vkms_init+0x98/0xe0 [ 4.640168][ T1] do_one_initcall+0x11c/0x6f0 [ 4.640168][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 4.640168][ T1] ? kernel_init_freeable+0x4ca/0x7b0 [ 4.640168][ T1] kernel_init_freeable+0x6ea/0x7b0 [ 4.640168][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.640168][ T1] kernel_init+0x21/0x1e0 [ 4.640168][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.640168][ T1] ret_from_fork+0x730/0xd60 [ 4.640168][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 4.640168][ T1] ? __switch_to+0x800/0x10f0 [ 4.640168][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.640168][ T1] ret_from_fork_asm+0x1a/0x30 [ 4.640168][ T1] [ 4.640168][ T1] Kernel Offset: disabled [ 4.640168][ T1] Rebooting in 86400 seconds.. 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-build2916329939=/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 4cb2b096987 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=4cb2b096987c8122dc6b37eb51200b1ca7991e0f -X github.com/google/syzkaller/prog.gitRevisionDate=20260727-130118" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4cb2b096987c8122dc6b37eb51200b1ca7991e0f -X github.com/google/syzkaller/prog.gitRevisionDate=20260727-130118" ./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=4cb2b096987c8122dc6b37eb51200b1ca7991e0f -X github.com/google/syzkaller/prog.gitRevisionDate=20260727-130118" -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=\"4cb2b096987c8122dc6b37eb51200b1ca7991e0f\" /usr/bin/ld: /tmp/ccr3LZX8.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