WARNING in drm_mode_config_validate smbdirect: subsystem loaded Key type cifs.spnego registered Key type cifs.idmap registered ntfs3: Enabled Linux POSIX ACLs support ntfs3: Read-only LZX/Xpress compression included jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. 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 7.45) 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 avx2x4 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 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:873 at validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline], CPU#0: swapper/0/1 WARNING: drivers/gpu/drm/drm_mode_config.c:873 at drm_mode_config_validate+0x1c6d/0x1e60 drivers/gpu/drm/drm_mode_config.c:938, CPU#0: swapper/0/1 Modules linked in: CPU: 0 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 07/16/2026 RIP: 0010:validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline] RIP: 0010:drm_mode_config_validate+0x1cae/0x1e60 drivers/gpu/drm/drm_mode_config.c:938 Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 ea db ac fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 b6 16 40 fc 49 bd 00 00 00 00 00 fc ff df RSP: 0000:ffffc90000067810 EFLAGS: 00010246 RAX: 1ffff110048fa808 RBX: dffffc0000000000 RCX: ffff88801cab5dc0 RDX: ffff8880259b5a40 RSI: 0000000000000023 RDI: ffffffff8fdc6600 RBP: 0000000000000023 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1fa23d0 R12: dffffc0000000000 R13: ffffffff8fdc6600 R14: ffff8880247d4040 R15: ffff8880247d4030 FS: 0000000000000000(0000) GS:ffff8881259e1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000e1b0000 CR4: 00000000003526f0 Call Trace: drm_dev_register+0x7f/0xd80 drivers/gpu/drm/drm_drv.c:1075 vkms_create+0x40d/0x4f0 drivers/gpu/drm/vkms/vkms_drv.c:208 vkms_init+0x57/0x80 drivers/gpu/drm/vkms/vkms_drv.c:240 do_one_initcall+0x250/0x870 init/main.c:1357 do_initcall_level+0x10a/0x1a0 init/main.c:1419 do_initcalls+0x59/0xa0 init/main.c:1435 kernel_init_freeable+0x29d/0x3e0 init/main.c:1670 kernel_init+0x22/0x1d0 init/main.c:1560 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: 0f 85 ae 00 00 00 jne 0xb4 6: 4d 8d 77 10 lea 0x10(%r15),%r14 a: 8b 6d 00 mov 0x0(%rbp),%ebp d: 4c 89 f0 mov %r14,%rax 10: 48 c1 e8 03 shr $0x3,%rax 14: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 18: 74 08 je 0x22 1a: 4c 89 f7 mov %r14,%rdi 1d: e8 ea db ac fc call 0xfcacdc0c 22: 49 8b 16 mov (%r14),%rdx 25: 4c 89 ef mov %r13,%rdi 28: 89 ee mov %ebp,%esi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: eb 05 jmp 0x36 31: e8 b6 16 40 fc call 0xfc4016ec 36: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13 3d: fc ff df 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@10.128.10.6" "pwd"]: exit status 255 ssh: connect to host 10.128.10.6 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. serialport: Connected to syzkaller.us-central1-c.ci-upstream-rust-kasan-gce-test-job-0 port 1 (session ID: 1717fc8b5951dd2a069d4e8937fabad65ba60f9acee1345aef75e3593a48d742, active connections: 1). 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 9fb3d52d-156e-01a8-9957-19816bae7b62 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 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8) #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 07/16/2026 [ 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 [ 0.000007][ T0] kvm-clock: using sched offset of 12017922247 cycles [ 0.000015][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000036][ T0] tsc: Detected 2199.998 MHz processor [ 0.003744][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.003796][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.003808][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.003872][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.009651][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.009687][ T0] Using GB pages for direct mapping [ 0.014246][ T0] ACPI: Early table checksum verification disabled [ 0.014278][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.014303][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.014325][ T0] ACPI: FACP 0x00000000BFFFF3B0 000114 (v06 Google GOOGFACP 00000001 GOOG 00000001) [ 0.014348][ T0] ACPI: DSDT 0x00000000BFFFD5C0 001DED (v02 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.014366][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.014380][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.014394][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.014412][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.014430][ T0] ACPI: SSDT 0x00000000BFFFF4D0 000914 (v02 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.014447][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.014462][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff3b0-0xbffff4c3] [ 0.014471][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd5c0-0xbffff3ac] [ 0.014478][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.014485][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.014491][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.014498][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.014505][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff4d0-0xbffffde3] [ 0.014511][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.014648][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.014658][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.014667][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.014678][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.014691][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.014715][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.014724][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.014808][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.015612][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.336789][ T0] KernelAddressSanitizer initialized (generic) [ 0.337367][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.337405][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.337514][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.337529][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.337538][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.337547][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.337555][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.337574][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.337585][ T0] CPU topo: Max. logical packages: 1 [ 0.337590][ T0] CPU topo: Max. logical nodes: 1 [ 0.337594][ T0] CPU topo: Num. nodes per package: 1 [ 0.337602][ T0] CPU topo: Max. logical dies: 1 [ 0.337606][ T0] CPU topo: Max. dies per package: 1 [ 0.337626][ T0] CPU topo: Max. threads per core: 2 [ 0.337630][ T0] CPU topo: Num. cores per package: 1 [ 0.337634][ T0] CPU topo: Num. threads per package: 2 [ 0.337638][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.337747][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.337757][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.337766][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.337789][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.337795][ T0] Booting paravirtualized kernel on KVM [ 0.337807][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.431250][ T0] Zone ranges: [ 0.431261][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.431274][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.431283][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.431291][ T0] Device empty [ 0.431296][ T0] Movable zone start for each node [ 0.431299][ T0] Early memory node ranges [ 0.431302][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.431309][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.431316][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.431322][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.431330][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.431348][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.471312][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.471576][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.540784][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.609419][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.610110][ T0] percpu: Embedded 72 pages/cpu s254472 r8192 d32248 u1048576 [ 0.610289][ T0] kvm-guest: PV spinlocks enabled [ 0.610300][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.610320][ 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 \ [ 0.610349][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.614942][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.615025][ T0] random: crng init done [ 0.615029][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.615377][ T0] software IO TLB: area num 2. [ 0.642314][ T0] Fallback order for Node 0: 0 1 [ 0.642338][ T0] Fallback order for Node 1: 1 0 [ 0.642352][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.642360][ T0] Policy zone: Normal [ 0.643028][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.643038][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.643049][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.647541][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.409796][ T0] ********************************************************** [ 1.409807][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.409811][ T0] ** ** [ 1.409815][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.409819][ T0] ** via the console, logs, and other interfaces. This ** [ 1.409822][ T0] ** might reduce the security of your system. ** [ 1.409826][ T0] ** ** [ 1.409830][ T0] ** If you see this message and you are not debugging ** [ 1.409834][ T0] ** the kernel, report this immediately to your system ** [ 1.409838][ T0] ** administrator! ** [ 1.409842][ T0] ** ** [ 1.409845][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.409849][ T0] ** ** [ 1.409853][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.409857][ T0] ********************************************************** [ 1.413183][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.549827][ T0] allocated 167772160 bytes of page_ext [ 1.549867][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.563876][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.568696][ T0] Node 0, zone Normal: page owner found early allocated 130 pages [ 1.579701][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 1.580199][ T0] Kernel/User page tables isolation: enabled [ 1.582485][ T0] Dynamic Preempt: full [ 1.583636][ T0] Running RCU self tests [ 1.583641][ T0] Running RCU synchronous self tests [ 1.583646][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.583650][ T0] rcu: RCU lockdep checking is enabled. [ 1.583654][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.583660][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 1.583667][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.583671][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 1.583675][ T0] rcu: RCU debug extended QS entry/exit. [ 1.583678][ T0] No expedited grace period (rcu_normal_after_boot). [ 1.583682][ T0] Trampoline variant of Tasks RCU enabled. [ 1.583686][ T0] Tracing variant of Tasks RCU enabled. [ 1.583689][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.583695][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.583862][ T0] Running RCU synchronous self tests [ 1.583896][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.773626][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.774811][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.774853][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.775623][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.777123][ T0] Console: colour VGA+ 80x25 [ 2.140403][ T0] printk: legacy console [ttyS0] enabled [ 2.140414][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.140493][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.140498][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.140502][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.140507][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.140512][ T0] ... CLASSHASH_SIZE: 4096 [ 2.140516][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.140520][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.140524][ T0] ... CHAINHASH_SIZE: 524288 [ 2.140528][ T0] memory used by lock dependency info: 106625 kB [ 2.140533][ T0] memory used for stack traces: 8320 kB [ 2.140537][ T0] per task-struct memory footprint: 1920 bytes [ 2.140896][ T0] ACPI: Core revision 20260408 [ 2.142305][ T0] APIC: Switch to symmetric I/O mode setup [ 2.142842][ T0] x2apic enabled [ 2.149763][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.159642][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.160603][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 2.160658][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 2.161467][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.161474][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 2.161545][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.161566][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.161575][ T0] Spectre V2 : Mitigation: IBRS [ 2.161580][ T0] RETBleed: Mitigation: IBRS [ 2.161585][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.161591][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.161597][ T0] MDS: Mitigation: Clear CPU buffers [ 2.161602][ T0] TAA: Mitigation: Clear CPU buffers [ 2.161607][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.161614][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.161624][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.161659][ T0] Spectre V2 : Enabling IBPB for BPF [ 2.161676][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.161718][ T0] active return thunk: its_return_thunk [ 2.161732][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.161794][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.161801][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.161806][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.161812][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.161819][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.456242][ T0] pid_max: default: 32768 minimum: 301 [ 2.458071][ T0] landlock: Up and running. [ 2.458080][ T0] Yama: becoming mindful. [ 2.458757][ T0] TOMOYO Linux initialized [ 2.461287][ T0] LSM support for eBPF active [ 2.467817][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.471500][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.471922][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.472075][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.475636][ T0] VFS: Finished mounting rootfs on nullfs [ 2.481894][ T0] Running RCU synchronous self tests [ 2.481907][ T0] Running RCU synchronous self tests [ 2.603503][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.608047][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.608185][ T1] signal: max sigframe size: 1776 [ 2.612870][ T1] rcu: Hierarchical SRCU implementation. [ 2.612879][ T1] rcu: Max phase no-delay instances is 1000. [ 2.631257][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.799237][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.800261][ T1] smp: Bringing up secondary CPUs ... [ 2.813167][ T1] smpboot: x86: Booting SMP configuration: [ 2.813177][ T1] .... node #0, CPUs: #1 [ 2.813578][ 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. [ 2.813578][ 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. [ 2.813578][ 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. [ 2.813578][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.813578][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 2.814711][ T1] Memory: 6470144K/8388204K available (169452K kernel code, 29885K rwdata, 41488K rodata, 25804K init, 121052K bss, 1730076K reserved, 0K cma-reserved) [ 2.825452][ T1] devtmpfs: initialized [ 2.829427][ T1] x86/mm: Memory block size: 128MB [ 2.905485][ T1] Running RCU synchronous self tests [ 2.905542][ T1] Running RCU synchronous self tests [ 2.905630][ T1] Running RCU Tasks wait API self tests [ 2.905630][ T1] Running RCU Tasks Trace wait API self tests [ 2.916914][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 2.916914][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 2.916914][ T1] xor: automatically using best checksumming function avx [ 2.932228][ T1] PM: RTC time: 14:07:04, date: 2026-07-24 [ 2.937315][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.946419][ T1] audit: initializing netlink subsys (disabled) [ 2.951173][ T37] audit: type=2000 audit(1784902024.392:1): state=initialized audit_enabled=0 res=1 [ 2.957450][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.959530][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.959560][ T1] cpuidle: using governor menu [ 2.959618][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.970724][ T1] dca service started, version 1.12.1 [ 2.970724][ T1] PCI: Using configuration type 1 for base access [ 2.975663][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.975663][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.975663][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.975663][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.015947][ T1] raid6: using avx2x2 recovery algorithm [ 3.027049][ T1] ACPI: Added _OSI(Module Device) [ 3.027064][ T1] ACPI: Added _OSI(Processor Device) [ 3.027073][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.289039][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.392531][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.452843][ T1] ACPI: Interpreter enabled [ 3.453723][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.453795][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.454713][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.454726][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.505395][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.948791][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.948916][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.948936][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.949340][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 3.949931][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 4.058298][ T1] PCI host bridge to bus 0000:00 [ 4.058760][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.058798][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0x0fff window] [ 4.058833][ T1] pci_bus 0000:00: root bus resource [io 0xc000-0xffff window] [ 4.058868][ T1] pci_bus 0000:00: root bus resource [io 0xa000-0xbfff window] [ 4.058902][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.058937][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 4.058981][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.059648][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 4.114810][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 4.135503][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 4.140400][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.157905][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 4.175065][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 4.175106][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 4.196596][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 4.199773][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 4.199814][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 4.208077][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 4.214729][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 4.220814][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.229417][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 4.234898][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 4.245334][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.250795][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.250834][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 4.328368][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.349543][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.366134][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.383849][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.389201][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.436842][ T1] iommu: Default domain type: Translated [ 4.436842][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.446483][ T1] SCSI subsystem initialized [ 4.463083][ T1] ACPI: bus type USB registered [ 4.464580][ T1] usbcore: registered new interface driver usbfs [ 4.465252][ T1] usbcore: registered new interface driver hub [ 4.465752][ T1] usbcore: registered new device driver usb [ 4.470595][ T1] mc: Linux media interface: v0.10 [ 4.471264][ T1] videodev: Linux video capture interface: v2.00 [ 4.472615][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.472624][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.472860][ T1] PTP clock support registered [ 4.491394][ T1] EDAC MC: Ver: 3.0.0 [ 4.554029][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.582372][ T1] Bluetooth: Core ver 2.22 [ 4.582917][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.582924][ T1] Bluetooth: HCI device and connection manager initialized [ 4.583019][ T1] Bluetooth: HCI socket layer initialized [ 4.583046][ T1] Bluetooth: L2CAP socket layer initialized [ 4.583162][ T1] Bluetooth: SCO socket layer initialized [ 4.583283][ T1] NET: Registered PF_ATMPVC protocol family [ 4.583713][ T1] NetLabel: Initializing [ 4.583717][ T1] NetLabel: domain hash size = 128 [ 4.583721][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.584194][ T1] NetLabel: unlabeled traffic allowed by default [ 4.587604][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.588010][ T1] NET: Registered PF_NFC protocol family [ 4.588120][ T1] mctp: management component transport protocol core [ 4.588129][ T1] NET: Registered PF_MCTP protocol family [ 4.588497][ T1] PCI: Using ACPI for IRQ routing [ 4.588736][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.588813][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 4.589368][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.589368][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.589368][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.589368][ T1] vgaarb: loaded [ 4.652724][ T1] clocksource: Switched to clocksource kvm-clock [ 4.677625][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.677904][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 4.689980][ T1] netfs: FS-Cache loaded [ 4.706468][ T1] CacheFiles: Loaded [ 4.707975][ T1] TOMOYO: 2.6.0 [ 4.707984][ T1] Mandatory Access Control activated. [ 4.709565][ T1] pnp: PnP ACPI init [ 4.815646][ T1] pnp: PnP ACPI: found 6 devices [ 4.941867][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.944411][ T1] NET: Registered PF_INET protocol family [ 4.947331][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.960955][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 4.961839][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.962869][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.983846][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 4.999543][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 5.004367][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 5.009116][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 5.012174][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 5.051768][ T1] RPC: Registered named UNIX socket transport module. [ 5.051788][ T1] RPC: Registered udp transport module. [ 5.051797][ T1] RPC: Registered tcp transport module. [ 5.051807][ T1] RPC: Registered tcp-with-tls transport module. [ 5.051817][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 5.096059][ T1] NET: Registered PF_XDP protocol family [ 5.096345][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 5.096368][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0x0fff window] [ 5.096384][ T1] pci_bus 0000:00: resource 6 [io 0xc000-0xffff window] [ 5.096400][ T1] pci_bus 0000:00: resource 7 [io 0xa000-0xbfff window] [ 5.096416][ T1] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window] [ 5.096432][ T1] pci_bus 0000:00: resource 9 [mem 0xc0000000-0xfebfefff window] [ 5.098688][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 5.099082][ T1] PCI: CLS 0 bytes, default 64 [ 5.099723][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 5.099738][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 5.101581][ T1] ACPI: bus type thunderbolt registered [ 5.130192][ T68] kworker/u8:1 (68) used greatest stack depth: 28264 bytes left [ 5.130307][ T69] kworker/u8:1 (69) used greatest stack depth: 27600 bytes left [ 5.219691][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 5.269951][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 5.269984][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 5.270607][ T1] clocksource: Switched to clocksource tsc [ 5.293766][ T75] kworker/u8:4 (75) used greatest stack depth: 27240 bytes left [ 5.324344][ T79] kworker/u8:3 (79) used greatest stack depth: 26856 bytes left [ 5.353167][ T1] Initialise system trusted keyrings [ 5.360396][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 5.376107][ T1] DLM installed [ 5.384380][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.396194][ T1] NFS: Registering the id_resolver key type [ 5.396356][ T1] Key type id_resolver registered [ 5.396369][ T1] Key type id_legacy registered [ 5.396724][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.396913][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.402640][ T1] smbdirect: subsystem loading... [ 5.414998][ T1] smbdirect: subsystem loaded [ 5.476587][ T1] Key type cifs.spnego registered [ 5.476944][ T1] Key type cifs.idmap registered [ 5.481177][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.481189][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.481646][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.484783][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.485077][ T1] QNX4 filesystem 0.2.3 registered. [ 5.485273][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.537543][ T1] fuse: init (API version 7.45) [ 5.543729][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.560124][ T1] orangefs_init: module version upstream loaded [ 5.561549][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.595338][ T1] SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled [ 5.618499][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.619646][ T1] NILFS version 2 loaded [ 5.619658][ T1] befs: version: 0.9.3 [ 5.621107][ T1] ocfs2: Registered cluster interface o2cb [ 5.622327][ T1] ocfs2: Registered cluster interface user [ 5.623856][ T1] OCFS2 User DLM kernel interface loaded [ 5.693612][ T1] gfs2: GFS2 installed [ 5.719581][ T1] ceph: loaded (mds proto 32) [ 5.738848][ T1] NET: Registered PF_ALG protocol family [ 5.739266][ T1] async_tx: api initialized (async) [ 5.739324][ T1] Key type asymmetric registered [ 5.740062][ T1] Asymmetric key parser 'x509' registered [ 5.740081][ T1] Asymmetric key parser 'pkcs8' registered [ 5.740096][ T1] Key type pkcs7_test registered [ 5.741103][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 5.743605][ T1] io scheduler mq-deadline registered [ 5.743624][ T1] io scheduler kyber registered [ 5.744211][ T1] io scheduler bfq registered [ 5.750820][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 5.839617][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 5.843418][ T1] ACPI: button: Power Button [PWRF] [ 5.864032][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 5.877736][ T1] ACPI: button: Sleep Button [SLPF] [ 5.909606][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 5.948909][ T10] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.949120][ T10] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.022096][ T10] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 6.022254][ T10] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 6.070126][ T10] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 6.070269][ T10] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 6.086611][ T206] kworker/u8:7 (206) used greatest stack depth: 26464 bytes left [ 6.109125][ T10] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.135092][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.137415][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.153212][ T1] 00:02: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.194631][ T1] 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.217508][ T1] 00:04: ttyS2 I/O:0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.247681][ T1] 00:05: ttyS3 I/O:0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.304113][ T1] Non-volatile memory driver v1.3 [ 7.376559][ T1] usbcore: registered new interface driver xillyusb [ 7.381456][ T1] ACPI: bus type drm_connector registered [ 7.392468][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 7.417015][ T1] ------------[ cut here ]------------ [ 7.417025][ T1] [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup [ 7.417038][ T1] WARNING: drivers/gpu/drm/drm_mode_config.c:873 at drm_mode_config_validate+0x1c6d/0x1e60, CPU#0: swapper/0/1 [ 7.417075][ T1] Modules linked in: [ 7.417105][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 7.417117][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 7.417127][ T1] RIP: 0010:drm_mode_config_validate+0x1cae/0x1e60 [ 7.417141][ T1] Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 ea db ac fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 b6 16 40 fc 49 bd 00 00 00 00 00 fc ff df [ 7.417152][ T1] RSP: 0000:ffffc90000067810 EFLAGS: 00010246 [ 7.417161][ T1] RAX: 1ffff110048fa808 RBX: dffffc0000000000 RCX: ffff88801cab5dc0 [ 7.417168][ T1] RDX: ffff8880259b5a40 RSI: 0000000000000023 RDI: ffffffff8fdc6600 [ 7.417174][ T1] RBP: 0000000000000023 R08: 0000000000000000 R09: 0000000000000000 [ 7.417180][ T1] R10: dffffc0000000000 R11: fffffbfff1fa23d0 R12: dffffc0000000000 [ 7.417187][ T1] R13: ffffffff8fdc6600 R14: ffff8880247d4040 R15: ffff8880247d4030 [ 7.417194][ T1] FS: 0000000000000000(0000) GS:ffff8881259e1000(0000) knlGS:0000000000000000 [ 7.417201][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.417208][ T1] CR2: ffff88823ffff000 CR3: 000000000e1b0000 CR4: 00000000003526f0 [ 7.417217][ T1] Call Trace: [ 7.417221][ T1] [ 7.417233][ T1] ? debugfs_create_file_full+0x3f/0x60 [ 7.417252][ T1] drm_dev_register+0x7f/0xd80 [ 7.417263][ T1] vkms_create+0x40d/0x4f0 [ 7.417277][ T1] ? __pfx_vkms_init+0x10/0x10 [ 7.417305][ T1] vkms_init+0x57/0x80 [ 7.417315][ T1] do_one_initcall+0x250/0x870 [ 7.417344][ T1] ? __pfx_vkms_init+0x10/0x10 [ 7.417355][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 7.417375][ T1] ? __pfx_clockevents_program_event+0x10/0x10 [ 7.417695][ T1] ? __pfx___schedule+0x10/0x10 [ 7.417725][ T1] ? irqentry_exit+0x218/0x8f0 [ 7.417741][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 7.417755][ T1] ? irqentry_exit+0x218/0x8f0 [ 7.417768][ T1] ? trace_irq_disable+0x3b/0x140 [ 7.417784][ T1] ? parameq+0xec/0x170 [ 7.417800][ T1] ? next_arg+0x4a0/0x5e0 [ 7.417810][ T1] ? parameq+0x14d/0x170 [ 7.417825][ T1] ? parse_args+0x9c3/0xad0 [ 7.417847][ T1] ? trace_kmalloc+0x2a/0xf0 [ 7.417862][ T1] ? rcu_is_watching+0x15/0xb0 [ 7.417876][ T1] do_initcall_level+0x10a/0x1a0 [ 7.417892][ T1] ? kernel_init+0x22/0x1d0 [ 7.417908][ T1] do_initcalls+0x59/0xa0 [ 7.417927][ T1] kernel_init_freeable+0x29d/0x3e0 [ 7.417945][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.417961][ T1] kernel_init+0x22/0x1d0 [ 7.417974][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.417984][ T1] ret_from_fork+0x514/0xb70 [ 7.418001][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 7.418014][ T1] ? __switch_to+0xc89/0x1420 [ 7.418028][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.418040][ T1] ret_from_fork_asm+0x1a/0x30 [ 7.418061][ T1] [ 7.418072][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 7.418082][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 7.418093][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 7.418099][ T1] Call Trace: [ 7.418103][ T1] [ 7.418107][ T1] vpanic+0x56c/0xa60 [ 7.418118][ T1] ? __pfx__printk+0x10/0x10 [ 7.418130][ T1] ? __pfx_vpanic+0x10/0x10 [ 7.418138][ T1] ? is_bpf_text_address+0x292/0x2b0 [ 7.418150][ T1] ? is_bpf_text_address+0x26/0x2b0 [ 7.418164][ T1] panic+0xc5/0xd0 [ 7.418174][ T1] ? __pfx_panic+0x10/0x10 [ 7.418187][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 7.418202][ T1] __warn+0x315/0x4c0 [ 7.418211][ T1] ? drm_mode_config_validate+0x1c6d/0x1e60 [ 7.418224][ T1] ? drm_mode_config_validate+0x1c6d/0x1e60 [ 7.418234][ T1] __report_bug+0x276/0x570 [ 7.418252][ T1] ? drm_mode_config_validate+0x1c6d/0x1e60 [ 7.418264][ T1] ? __pfx___report_bug+0x10/0x10 [ 7.418280][ T1] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 7.418295][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 7.418310][ T1] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 7.418323][ T1] report_bug_entry+0x19a/0x290 [ 7.418338][ T1] ? drm_mode_config_validate+0x1cae/0x1e60 [ 7.418348][ T1] ? drm_mode_config_validate+0x1cb3/0x1e60 [ 7.418358][ T1] handle_bug+0xce/0x200 [ 7.418368][ T1] exc_invalid_op+0x1a/0x50 [ 7.418378][ T1] asm_exc_invalid_op+0x1a/0x20 [ 7.418388][ T1] RIP: 0010:drm_mode_config_validate+0x1cae/0x1e60 [ 7.418418][ T1] Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 ea db ac fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 b6 16 40 fc 49 bd 00 00 00 00 00 fc ff df [ 7.418426][ T1] RSP: 0000:ffffc90000067810 EFLAGS: 00010246 [ 7.418436][ T1] RAX: 1ffff110048fa808 RBX: dffffc0000000000 RCX: ffff88801cab5dc0 [ 7.418446][ T1] RDX: ffff8880259b5a40 RSI: 0000000000000023 RDI: ffffffff8fdc6600 [ 7.418458][ T1] RBP: 0000000000000023 R08: 0000000000000000 R09: 0000000000000000 [ 7.418464][ T1] R10: dffffc0000000000 R11: fffffbfff1fa23d0 R12: dffffc0000000000 [ 7.418471][ T1] R13: ffffffff8fdc6600 R14: ffff8880247d4040 R15: ffff8880247d4030 [ 7.418490][ T1] ? debugfs_create_file_full+0x3f/0x60 [ 7.418510][ T1] drm_dev_register+0x7f/0xd80 [ 7.418522][ T1] vkms_create+0x40d/0x4f0 [ 7.418536][ T1] ? __pfx_vkms_init+0x10/0x10 [ 7.418548][ T1] vkms_init+0x57/0x80 [ 7.418558][ T1] do_one_initcall+0x250/0x870 [ 7.418572][ T1] ? __pfx_vkms_init+0x10/0x10 [ 7.418582][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 7.418598][ T1] ? __pfx_clockevents_program_event+0x10/0x10 [ 7.418612][ T1] ? __pfx___schedule+0x10/0x10 [ 7.418631][ T1] ? irqentry_exit+0x218/0x8f0 [ 7.418645][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 7.418660][ T1] ? irqentry_exit+0x218/0x8f0 [ 7.418674][ T1] ? trace_irq_disable+0x3b/0x140 [ 7.418690][ T1] ? parameq+0xec/0x170 [ 7.418704][ T1] ? next_arg+0x4a0/0x5e0 [ 7.418714][ T1] ? parameq+0x14d/0x170 [ 7.418730][ T1] ? parse_args+0x9c3/0xad0 [ 7.418751][ T1] ? trace_kmalloc+0x2a/0xf0 [ 7.418767][ T1] ? rcu_is_watching+0x15/0xb0 [ 7.418779][ T1] do_initcall_level+0x10a/0x1a0 [ 7.418793][ T1] ? kernel_init+0x22/0x1d0 [ 7.418805][ T1] do_initcalls+0x59/0xa0 [ 7.418819][ T1] kernel_init_freeable+0x29d/0x3e0 [ 7.418832][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.418843][ T1] kernel_init+0x22/0x1d0 [ 7.418853][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.418864][ T1] ret_from_fork+0x514/0xb70 [ 7.418879][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 7.418895][ T1] ? __switch_to+0xc89/0x1420 [ 7.418908][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.418920][ T1] ret_from_fork_asm+0x1a/0x30 [ 7.418940][ T1] [ 7.419504][ 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-build519606934=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/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 1804e95e3f 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=1804e95e3ff848c11e87e8efe7560f03c011c081 -X github.com/google/syzkaller/prog.gitRevisionDate=20250814-193721" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=1804e95e3ff848c11e87e8efe7560f03c011c081 -X github.com/google/syzkaller/prog.gitRevisionDate=20250814-193721" ./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=1804e95e3ff848c11e87e8efe7560f03c011c081 -X github.com/google/syzkaller/prog.gitRevisionDate=20250814-193721" -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=\"1804e95e3ff848c11e87e8efe7560f03c011c081\" /usr/bin/ld: /tmp/ccqGyLDt.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