WARNING in drm_mode_config_validate smbdirect: subsystem loading... 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 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 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 usbcore: registered new interface driver xillyusb ACPI: bus type drm_connector registered [drm] Initialized vgem 1.0.0 for vgem on minor 0 ------------[ 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#0: 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#0: swapper/0/1 Modules linked in: CPU: 0 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 fc 1e 81 0b 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 41 9b 3c fc 48 8d RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880270d17e0 RSI: 0000000000000023 RDI: ffffffff914f9750 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004db7023 R13: ffffed1004db7024 R14: 0000000000000001 R15: ffff888026db8028 FS: 0000000000000000(0000) GS:ffff888123b83000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000eb94000 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:1353 do_initcall_level init/main.c:1415 [inline] do_initcalls init/main.c:1431 [inline] do_basic_setup init/main.c:1451 [inline] kernel_init_freeable+0x6ea/0x7b0 init/main.c:1666 kernel_init+0x21/0x1e0 init/main.c:1556 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 fc 1e 81 0b lea 0xb811efc(%rip),%rdi # 0xb811f1f 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 41 9b 3c fc call 0xfc3c9b7f 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@10.128.1.17" "pwd"]: exit status 255 ssh: connect to host 10.128.1.17 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 [ 0.000005][ T0] kvm-clock: using sched offset of 7253271786 cycles [ 0.000809][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003657][ T0] tsc: Detected 2800.280 MHz processor [ 0.009493][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010415][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.011745][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.012843][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.018844][ T0] found SMP MP-table at [mem 0x000f28a0-0x000f28af] [ 0.020074][ T0] Using GB pages for direct mapping [ 0.023860][ T0] ACPI: Early table checksum verification disabled [ 0.024871][ T0] ACPI: RSDP 0x00000000000F2620 000014 (v00 Google) [ 0.025774][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.027442][ T0] ACPI: FACP 0x00000000BFFFF3B0 000114 (v06 Google GOOGFACP 00000001 GOOG 00000001) [ 0.028859][ T0] ACPI: DSDT 0x00000000BFFFD5C0 001DED (v02 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.030238][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.031159][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.032005][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.033336][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.034838][ T0] ACPI: SSDT 0x00000000BFFFF4D0 000914 (v02 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.036222][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.037720][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff3b0-0xbffff4c3] [ 0.038833][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd5c0-0xbffff3ac] [ 0.040053][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.041270][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.042433][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.043665][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.044858][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff4d0-0xbffffde3] [ 0.046051][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.047595][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.048819][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.050015][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.051389][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.053028][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.055214][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.056753][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.058605][ T0] NODE_DATA(0) allocated [mem 0x13fffb140-0x140000fff] [ 0.060461][ T0] NODE_DATA(1) allocated [mem 0x23fff7140-0x23fffcfff] [ 0.326056][ T0] KernelAddressSanitizer initialized (generic) [ 0.327581][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.328483][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.329649][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.330886][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.332224][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.333497][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.334809][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.336128][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.337357][ T0] CPU topo: Max. logical packages: 1 [ 0.338311][ T0] CPU topo: Max. logical nodes: 1 [ 0.339268][ T0] CPU topo: Num. nodes per package: 1 [ 0.340254][ T0] CPU topo: Max. logical dies: 1 [ 0.341127][ T0] CPU topo: Max. dies per package: 1 [ 0.341996][ T0] CPU topo: Max. threads per core: 2 [ 0.343138][ T0] CPU topo: Num. cores per package: 1 [ 0.344147][ T0] CPU topo: Num. threads per package: 2 [ 0.345061][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.346409][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.347840][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.349305][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.350752][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.351863][ T0] Booting paravirtualized kernel on KVM [ 0.352702][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.419880][ T0] Zone ranges: [ 0.420467][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.421736][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.422831][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.424263][ T0] Device empty [ 0.424896][ T0] Movable zone start for each node [ 0.425630][ T0] Early memory node ranges [ 0.426339][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.427310][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.428376][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.429751][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.431016][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.432368][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.467996][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.469240][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.511562][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.554033][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.555913][ T0] percpu: Embedded 71 pages/cpu s252424 r8192 d30200 u1048576 [ 0.557196][ T0] kvm-guest: PV spinlocks enabled [ 0.558043][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.559239][ 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 \ [ 0.573184][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.579738][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.581335][ T0] random: crng init done [ 0.581998][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.583320][ T0] software IO TLB: area num 2. [ 0.607812][ T0] Fallback order for Node 0: 0 1 [ 0.607833][ T0] Fallback order for Node 1: 1 0 [ 0.607845][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.611292][ T0] Policy zone: Normal [ 0.612719][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.613965][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.615132][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.620749][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.106467][ T0] ********************************************************** [ 1.107716][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.108973][ T0] ** ** [ 1.110180][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.111317][ T0] ** via the console, logs, and other interfaces. This ** [ 1.112649][ T0] ** might reduce the security of your system. ** [ 1.113835][ T0] ** ** [ 1.114893][ T0] ** If you see this message and you are not debugging ** [ 1.116095][ T0] ** the kernel, report this immediately to your system ** [ 1.117295][ T0] ** administrator! ** [ 1.118466][ T0] ** ** [ 1.119570][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.120687][ T0] ** ** [ 1.121721][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.122839][ T0] ********************************************************** [ 1.125914][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.222373][ T0] allocated 167772160 bytes of page_ext [ 1.223306][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.243315][ T0] Node 0, zone DMA32: page owner found early allocated 21228 pages [ 1.256225][ T0] Node 0, zone Normal: page owner found early allocated 23 pages [ 1.269247][ T0] Node 1, zone Normal: page owner found early allocated 19847 pages [ 1.271716][ T0] Dynamic Preempt: full [ 1.273705][ T0] Running RCU self tests [ 1.274305][ T0] Running RCU synchronous self tests [ 1.275121][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.275963serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-selinux-root-test-job-parallel-1 port 1 (session ID: 8c176270e3af2c6c2e1ad47ad3321dba0aaaa76cae547b8d3f67a520d415f2ce, active connections: 1). ][ T0] rcu: RCU lockdep checking is enabled. [ 1.276773][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.277789][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.278866][ T0] rcu: RCU debug extended QS entry/exit. [ 1.279669][ T0] All grace periods are expedited (rcu_expedited). [ 1.280549][ T0] Trampoline variant of Tasks RCU enabled. [ 1.281531][ T0] Tracing variant of Tasks RCU enabled. [ 1.282320][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.283651][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.284835][ T0] Running RCU synchronous self tests [ 1.285577][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.491772][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.493844][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.495178][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.497356][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.500162][ T0] Console: colour VGA+ 80x25 [ 1.500902][ T0] printk: legacy console [ttyS0] enabled [ 1.500902][ T0] printk: legacy console [ttyS0] enabled [ 1.502661][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.502661][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.504881][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.506063][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.506749][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.507420][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.508238][ T0] ... CLASSHASH_SIZE: 4096 [ 1.509195][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.510131][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.510918][ T0] ... CHAINHASH_SIZE: 524288 [ 1.511816][ T0] memory used by lock dependency info: 106625 kB [ 1.512865][ T0] memory used for stack traces: 8320 kB [ 1.513799][ T0] per task-struct memory footprint: 1920 bytes [ 1.514886][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.516615][ T0] ACPI: Core revision 20260408 [ 1.518297][ T0] APIC: Switch to symmetric I/O mode setup [ 1.519791][ T0] x2apic enabled [ 1.522708][ T0] APIC: Switched APIC routing to: physical x2apic [ 1.527450][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.528779][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x285d48fab19, max_idle_ns: 440795208084 ns [ 1.530546][ T0] Calibrating delay loop (skipped) preset value.. 5600.56 BogoMIPS (lpj=28002800) [ 1.532474][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.533457][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.534549][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.536479][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.537843][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.540600][ T0] RETBleed: Mitigation: Enhanced IBRS [ 1.541450][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.542426][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.543474][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.544696][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.546221][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.547934][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.549096][ T0] Spectre V2 : Enabling IBPB for BPF [ 1.550553][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.551962][ T0] active return thunk: its_return_thunk [ 1.552768][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.554049][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.555205][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.556205][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.557351][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.558338][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 1.559376][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 1.560545][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.561510][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 1.562440][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 1.563469][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 1.564528][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 1.818173][ T0] pid_max: default: 32768 minimum: 301 [ 1.820045][ T0] landlock: Up and running. [ 1.820545][ T0] Yama: becoming mindful. [ 1.821375][ T0] TOMOYO Linux initialized [ 1.822064][ T0] SELinux: Initializing. [ 1.825355][ T0] LSM support for eBPF active [ 1.826437][ T0] debugfs: Unable to create file 'net_refcnt@ffffffff9bdcaf40', debugfs is not initialized yet [ 1.827909][ T0] debugfs: Unable to create file 'net_notrefcnt@ffffffff9bdcafb8', debugfs is not initialized yet [ 1.833998][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.837802][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.839426][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.840664][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.843378][ T0] VFS: Finished mounting rootfs on nullfs [ 1.847535][ T0] Running RCU synchronous self tests [ 1.848339][ T0] Running RCU synchronous self tests [ 1.970198][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 1.970538][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only. [ 1.970538][ T1] signal: max sigframe size: 3632 [ 1.970538][ T1] rcu: Hierarchical SRCU implementation. [ 1.970538][ T1] rcu: Max phase no-delay instances is 1000. [ 1.970538][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.018126][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.019783][ T1] smp: Bringing up secondary CPUs ... [ 2.022464][ T1] smpboot: x86: Booting SMP configuration: [ 2.023354][ T1] .... node #0, CPUs: #1 [ 2.023604][ 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. [ 2.023604][ 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. [ 2.025383][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.030606][ T1] smpboot: Total of 2 processors activated (11201.12 BogoMIPS) [ 2.032749][ T1] Memory: 6436432K/8388204K available (177016K kernel code, 43412K rwdata, 43612K rodata, 28276K init, 120188K bss, 1761768K reserved, 0K cma-reserved) [ 2.035001][ T1] devtmpfs: initialized [ 2.035001][ T1] x86/mm: Memory block size: 128MB [ 2.083032][ T1] Running RCU synchronous self tests [ 2.083859][ T1] Running RCU synchronous self tests [ 2.084690][ T1] Running RCU Tasks wait API self tests [ 2.090620][ T1] Running RCU Tasks Trace wait API self tests [ 2.091596][ T1] posixtimers hash table entries: 1024 (order: 5, 73728 bytes, vmalloc) [ 2.092190][ T1] futex hash table entries: 256 (32768 bytes on 2 NUMA nodes, total 64 KiB, linear). [ 2.093674][ T1] xor: automatically using best checksumming function avx [ 2.095890][ T1] PM: RTC time: 23:48:08, date: 2026-08-22 [ 2.101852][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.113737][ T1] audit: initializing netlink subsys (disabled) [ 2.114887][ T29] audit: type=2000 audit(1787442488.333:1): state=initialized audit_enabled=0 res=1 [ 2.114887][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.114887][ T1] cpuidle: using governor menu [ 2.114887][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.123265][ T1] dca service started, version 1.12.1 [ 2.124310][ T1] PCI: Using configuration type 1 for base access [ 2.130673][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.150783][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.152080][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.153829][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.155769][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.177301][ T1] raid6: using avx512x2 recovery algorithm [ 2.178194][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 2.182809][ T1] ACPI: Added _OSI(Module Device) [ 2.183629][ T1] ACPI: Added _OSI(Processor Device) [ 2.184575][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.363102][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.392654][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 2.430602][ T1] ACPI: Interpreter enabled [ 2.432047][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.432825][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.434077][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.435643][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 2.446493][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.752356][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.754070][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 2.798300][ T1] PCI host bridge to bus 0000:00 [ 2.799525][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.800582][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0x0fff window] [ 2.801667][ T1] pci_bus 0000:00: root bus resource [io 0xc000-0xffff window] [ 2.802996][ T1] pci_bus 0000:00: root bus resource [io 0xa000-0xbfff window] [ 2.804173][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.805761][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.806928][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.808337][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 2.813439][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 2.822129][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 2.826274][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.833029][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 2.837016][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 2.838261][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 2.845007][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 2.848964][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 2.849963][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 2.856717][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 2.862022][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 2.864041][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.874163][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 2.878078][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 2.879213][ T1] pci 0000:00:06.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 2.925556][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.933571][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.941074][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.948394][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.952317][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.980690][ T1] iommu: Default domain type: Translated [ 2.981984][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.986169][ T1] SCSI subsystem initialized [ 3.002625][ T1] ACPI: bus type USB registered [ 3.004401][ T1] usbcore: registered new interface driver usbfs [ 3.005854][ T1] usbcore: registered new interface driver hub [ 3.007577][ T1] usbcore: registered new device driver usb [ 3.011701][ T1] mc: Linux media interface: v0.10 [ 3.012744][ T1] videodev: Linux video capture interface: v2.00 [ 3.014614][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.016050][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.018088][ T1] PTP clock support registered [ 3.030833][ T1] EDAC MC: Ver: 3.0.0 [ 3.044897][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.051591][ T1] Bluetooth: Core ver 2.22 [ 3.052658][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.054106][ T1] Bluetooth: HCI device and connection manager initialized [ 3.055561][ T1] Bluetooth: HCI socket layer initialized [ 3.056509][ T1] Bluetooth: L2CAP socket layer initialized [ 3.057935][ T1] Bluetooth: SCO socket layer initialized [ 3.058867][ T1] NET: Registered PF_ATMPVC protocol family [ 3.060138][ T1] NetLabel: Initializing [ 3.060551][ T1] NetLabel: domain hash size = 128 [ 3.061391][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.063283][ T1] NetLabel: unlabeled traffic allowed by default [ 3.067189][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.068507][ T1] NET: Registered PF_NFC protocol family [ 3.069492][ T1] mctp: management component transport protocol core [ 3.070900][ T1] NET: Registered PF_MCTP protocol family [ 3.072422][ T1] PCI: Using ACPI for IRQ routing [ 3.073769][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 3.074955][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 3.082346][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.083585][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.084575][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.085904][ T1] vgaarb: loaded [ 3.094695][ T1] clocksource: Switched to clocksource kvm-clock [ 3.102731][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.104083][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 3.113122][ T1] netfs: FS-Cache loaded [ 3.116247][ T1] CacheFiles: Loaded [ 3.118171][ T1] TOMOYO: 2.6.0 [ 3.118769][ T1] Mandatory Access Control activated. [ 3.120658][ T1] pnp: PnP ACPI init [ 3.162911][ T1] pnp: PnP ACPI: found 6 devices [ 3.241138][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.244305][ T1] NET: Registered PF_INET protocol family [ 3.247499][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.259218][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 7, 294912 bytes, vmalloc) [ 3.261261][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 3.263274][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.274524][ T1] TCP bind hash table entries: 65536 (order: 12, 9437184 bytes, vmalloc hugepage) [ 3.281391][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.284940][ T1] MPTCP token hash table entries: 8192 (order: 8, 720896 bytes, vmalloc) [ 3.288577][ T1] UDP hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc) [ 3.291550][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.306684][ T1] RPC: Registered named UNIX socket transport module. [ 3.307718][ T1] RPC: Registered udp transport module. [ 3.308513][ T1] RPC: Registered tcp transport module. [ 3.309357][ T1] RPC: Registered tcp-with-tls transport module. [ 3.310392][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.316342][ T1] NET: Registered PF_XDP protocol family [ 3.317480][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.318551][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0x0fff window] [ 3.319885][ T1] pci_bus 0000:00: resource 6 [io 0xc000-0xffff window] [ 3.321388][ T1] pci_bus 0000:00: resource 7 [io 0xa000-0xbfff window] [ 3.322459][ T1] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window] [ 3.323839][ T1] pci_bus 0000:00: resource 9 [mem 0xc0000000-0xfebfefff window] [ 3.326592][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.328327][ T1] PCI: CLS 0 bytes, default 64 [ 3.329389][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.330474][ T1] software IO TLB: mapped [mem 0x00000000b4400000-0x00000000b8400000] (64MB) [ 3.333143][ T1] ACPI: bus type thunderbolt registered [ 3.341226][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.346936][ T59] kworker/u8:1 (59) used greatest stack depth: 27864 bytes left [ 3.364118][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 3.365204][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x285d48fab19, max_idle_ns: 440795208084 ns [ 3.367725][ T1] clocksource: Switched to clocksource tsc [ 3.403452][ T1] Initialise system trusted keyrings [ 3.404162][ T84] kworker/u8:4 (84) used greatest stack depth: 27160 bytes left [ 3.407742][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 3.415933][ T1] DLM installed [ 3.421490][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 3.429626][ T1] NFS: Registering the id_resolver key type [ 3.430824][ T1] Key type id_resolver registered [ 3.431584][ T1] Key type id_legacy registered [ 3.432928][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 3.434314][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 3.441599][ T1] smbdirect: subsystem loading... [ 3.448154][ T1] smbdirect: subsystem loaded [ 3.471719][ T1] Key type cifs.spnego registered [ 3.472760][ T1] Key type cifs.idmap registered [ 3.476921][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 3.477738][ T1] ntfs3: Read-only LZX/Xpress compression included [ 3.478987][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 3.482637][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 3.483593][ T1] QNX4 filesystem 0.2.3 registered. [ 3.484738][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 3.486442][ T1] fuse: init (API version 7.45) [ 3.489877][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 3.492401][ T1] orangefs_init: module version upstream loaded [ 3.494199][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 3.507409][ T1] SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled [ 3.514958][ T1] 9p: Installing v9fs 9p2000 file system support [ 3.516652][ T1] NILFS version 2 loaded [ 3.517609][ T1] befs: version: 0.9.3 [ 3.519354][ T1] ocfs2: Registered cluster interface o2cb [ 3.521201][ T1] ocfs2: Registered cluster interface user [ 3.523024][ T1] OCFS2 User DLM kernel interface loaded [ 3.545147][ T1] gfs2: GFS2 installed [ 3.560183][ T1] ceph: loaded (mds proto 32) [ 3.573563][ T1] NET: Registered PF_ALG protocol family [ 3.574709][ T1] async_tx: api initialized (async) [ 3.575970][ T1] Key type asymmetric registered [ 3.576921][ T1] Asymmetric key parser 'x509' registered [ 3.577745][ T1] Asymmetric key parser 'pkcs8' registered [ 3.578604][ T1] Key type pkcs7_test registered [ 3.579842][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 3.583698][ T1] io scheduler mq-deadline registered [ 3.584626][ T1] io scheduler kyber registered [ 3.586119][ T1] io scheduler bfq registered [ 3.601298][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 3.605629][ T1] ACPI: button: Power Button [PWRF] [ 3.609215][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 3.611991][ T1] ACPI: button: Sleep Button [SLPF] [ 3.635978][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 3.662181][ T10] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 3.663176][ T10] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 3.694911][ T10] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 3.696705][ T10] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 3.724400][ T10] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 3.725672][ T10] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 4.062323][ T524] kworker/u8:7 (524) used greatest stack depth: 26904 bytes left [ 4.258630][ T1] N_HDLC line discipline registered with maxframe=4096 [ 4.261364][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.275999][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.291450][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.306966][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.321856][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.357497][ T1] Non-volatile memory driver v1.3 [ 4.382848][ T1] usbcore: registered new interface driver xillyusb [ 4.391825][ T1] ACPI: bus type drm_connector registered [ 4.402882][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 4.408272][ T1] ------------[ cut here ]------------ [ 4.409057][ T1] [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup [ 4.409076][ T1] WARNING: drivers/gpu/drm/drm_mode_config.c:872 at drm_mode_config_validate+0xfb4/0x1be0, CPU#0: swapper/0/1 [ 4.412353][ T1] Modules linked in: [ 4.412951][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 4.414327][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 [ 4.415957][ T1] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 [ 4.416871][ 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 fc 1e 81 0b 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 41 9b 3c fc 48 8d [ 4.420277][ T1] RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 [ 4.421416][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 4.422525][ T1] RDX: ffff8880270d17e0 RSI: 0000000000000023 RDI: ffffffff914f9750 [ 4.423790][ T1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 4.424912][ T1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004db7023 [ 4.426628][ T1] R13: ffffed1004db7024 R14: 0000000000000001 R15: ffff888026db8028 [ 4.427965][ T1] FS: 0000000000000000(0000) GS:ffff888123b83000(0000) knlGS:0000000000000000 [ 4.429922][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.431232][ T1] CR2: ffff88823ffff000 CR3: 000000000eb94000 CR4: 00000000003526f0 [ 4.432829][ T1] Call Trace: [ 4.433578][ T1] [ 4.434377][ T1] drm_dev_register+0x56e/0x7b0 [ 4.435116][ T1] vkms_create+0x491/0x5b0 [ 4.436303][ T1] ? __pfx_vkms_init+0x10/0x10 [ 4.437097][ T1] vkms_init+0x98/0xe0 [ 4.437725][ T1] do_one_initcall+0x11c/0x6f0 [ 4.438689][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 4.439912][ T1] ? kasan_unpoison+0x15/0x60 [ 4.440799][ T1] ? kernel_init_freeable+0x4ca/0x7b0 [ 4.441810][ T1] kernel_init_freeable+0x6ea/0x7b0 [ 4.442739][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.443755][ T1] kernel_init+0x21/0x1e0 [ 4.444481][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.445296][ T1] ret_from_fork+0x730/0xd60 [ 4.446009][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 4.446941][ T1] ? __switch_to+0x800/0x10f0 [ 4.448149][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.448847][ T1] ret_from_fork_asm+0x1a/0x30 [ 4.449585][ T1] [ 4.450241][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 4.451670][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 4.453007][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 [ 4.454566][ T1] Call Trace: [ 4.455144][ T1] [ 4.455713][ T1] dump_stack_lvl+0x100/0x190 [ 4.455982][ T1] vpanic+0x553/0x970 [ 4.455982][ T1] ? __pfx_vpanic+0x10/0x10 [ 4.455982][ T1] panic+0xd1/0xe0 [ 4.455982][ T1] ? __pfx_panic+0x10/0x10 [ 4.455982][ T1] check_panic_on_warn.cold+0x19/0x34 [ 4.455982][ T1] ? drm_mode_config_validate+0xfb4/0x1be0 [ 4.455982][ T1] __warn.cold+0x191/0x318 [ 4.455982][ T1] __report_bug+0x30f/0x440 [ 4.455982][ T1] ? drm_mode_config_validate+0xfb4/0x1be0 [ 4.455982][ T1] ? __pfx___report_bug+0x10/0x10 [ 4.455982][ T1] ? __lock_acquire+0x4c5/0x1ec0 [ 4.455982][ T1] report_bug_entry+0xe2/0x290 [ 4.455982][ T1] ? drm_mode_config_validate+0xfbb/0x1be0 [ 4.455982][ T1] handle_bug+0x1cd/0x2a0 [ 4.455982][ T1] exc_invalid_op+0x17/0x50 [ 4.455982][ T1] asm_exc_invalid_op+0x1a/0x20 [ 4.455982][ T1] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 [ 4.455982][ 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 fc 1e 81 0b 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 41 9b 3c fc 48 8d [ 4.455982][ T1] RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 [ 4.455982][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 4.455982][ T1] RDX: ffff8880270d17e0 RSI: 0000000000000023 RDI: ffffffff914f9750 [ 4.455982][ T1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 4.455982][ T1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004db7023 [ 4.455982][ T1] R13: ffffed1004db7024 R14: 0000000000000001 R15: ffff888026db8028 [ 4.455982][ T1] ? drm_mode_config_validate+0xf76/0x1be0 [ 4.455982][ T1] drm_dev_register+0x56e/0x7b0 [ 4.455982][ T1] vkms_create+0x491/0x5b0 [ 4.455982][ T1] ? __pfx_vkms_init+0x10/0x10 [ 4.455982][ T1] vkms_init+0x98/0xe0 [ 4.455982][ T1] do_one_initcall+0x11c/0x6f0 [ 4.455982][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 4.455982][ T1] ? kasan_unpoison+0x15/0x60 [ 4.455982][ T1] ? kernel_init_freeable+0x4ca/0x7b0 [ 4.455982][ T1] kernel_init_freeable+0x6ea/0x7b0 [ 4.455982][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.455982][ T1] kernel_init+0x21/0x1e0 [ 4.455982][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.455982][ T1] ret_from_fork+0x730/0xd60 [ 4.455982][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 4.455982][ T1] ? __switch_to+0x800/0x10f0 [ 4.455982][ T1] ? __pfx_kernel_init+0x10/0x10 [ 4.455982][ T1] ret_from_fork_asm+0x1a/0x30 [ 4.455982][ T1] [ 4.455982][ T1] Kernel Offset: disabled [ 4.455982][ 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-build1331161525=/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 05b26a281c0 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=05b26a281c072cc34dcad83a283fd2aeeff18ad1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260724-140511" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=05b26a281c072cc34dcad83a283fd2aeeff18ad1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260724-140511" ./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=05b26a281c072cc34dcad83a283fd2aeeff18ad1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260724-140511" -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=\"05b26a281c072cc34dcad83a283fd2aeeff18ad1\" /usr/bin/ld: /tmp/ccXjEkJ3.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