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, 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) cryptd: max_cpu_qlen set to 1000 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 07/24/2026 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 4e 2f 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 e3 60 fc 48 8d RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888025f58ea0 RSI: 0000000000000023 RDI: ffffffff90d71bb0 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004c93c23 R13: ffffed1004c93c24 R14: 0000000000000001 R15: ffff88802649e028 FS: 0000000000000000(0000) GS:ffff88812440a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000e586000 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 4e 2f 0b lea 0xb2f4efc(%rip),%rdi # 0xb2f4f1f 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 e3 60 fc call 0xfc60e37f 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@10.128.1.42" "pwd"]: exit status 255 ssh: connect to host 10.128.1.42 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-qemu-gce-upstream-auto-test-job-0 port 1 (session ID: 8aecde7948d34897a2a82fe2d05533966ccb759cbdcd3dd26ca4c8879e081245, 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 7bda9a6c-c6f2-3c83-e344-fe5b294ee7d0 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) (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] 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 07/24/2026 [ 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 [ 0.000008][ T0] kvm-clock: using sched offset of 13915195449 cycles [ 0.004336][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.015270][ T0] tsc: Detected 2199.998 MHz processor [ 0.026861][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.030149][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.035326][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.040598][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.052003][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.056402][ T0] Using GB pages for direct mapping [ 0.063939][ T0] ACPI: Early table checksum verification disabled [ 0.068829][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.071933][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.076031][ T0] ACPI: FACP 0x00000000BFFFF3B0 000114 (v06 Google GOOGFACP 00000001 GOOG 00000001) [ 0.080319][ T0] ACPI: DSDT 0x00000000BFFFD5C0 001DED (v02 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.086385][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.089053][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.091794][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.095817][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.100387][ T0] ACPI: SSDT 0x00000000BFFFF4D0 000914 (v02 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.105627][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.110671][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff3b0-0xbffff4c3] [ 0.115916][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd5c0-0xbffff3ac] [ 0.122678][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.127595][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.132533][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.139650][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.145173][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff4d0-0xbffffde3] [ 0.152106][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.155810][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.159294][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.164101][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.171444][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.184548][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.192174][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.198186][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.204993][ T0] NODE_DATA(0) allocated [mem 0x13fffb140-0x140000fff] [ 0.210377][ T0] NODE_DATA(1) allocated [mem 0x23fff7140-0x23fffcfff] [ 0.517424][ T0] KernelAddressSanitizer initialized (generic) [ 0.521191][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.523735][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.526853][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.531486][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.535025][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.538723][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.542465][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.546230][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.549445][ T0] CPU topo: Max. logical packages: 1 [ 0.552513][ T0] CPU topo: Max. logical nodes: 1 [ 0.555953][ T0] CPU topo: Num. nodes per package: 1 [ 0.559145][ T0] CPU topo: Max. logical dies: 1 [ 0.561914][ T0] CPU topo: Max. dies per package: 1 [ 0.564884][ T0] CPU topo: Max. threads per core: 2 [ 0.567927][ T0] CPU topo: Num. cores per package: 1 [ 0.569958][ T0] CPU topo: Num. threads per package: 2 [ 0.573655][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.577506][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.581600][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.585986][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.589619][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.592861][ T0] Booting paravirtualized kernel on KVM [ 0.596464][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.680483][ T0] Zone ranges: [ 0.681883][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.685046][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.687916][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.690322][ T0] Device empty [ 0.691818][ T0] Movable zone start for each node [ 0.693992][ T0] Early memory node ranges [ 0.695736][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.698813][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.701301][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.704028][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.706750][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.709957][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.753179][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.756269][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.807271][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.859847][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.867015][ T0] percpu: Embedded 71 pages/cpu s252616 r8192 d30008 u1048576 [ 0.873212][ T0] kvm-guest: PV spinlocks enabled [ 0.876139][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.879414][ 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 \ [ 0.927174][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.938770][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.942696][ T0] random: crng init done [ 0.944498][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.947855][ T0] software IO TLB: area num 2. [ 0.976613][ T0] Fallback order for Node 0: 0 1 [ 0.976639][ T0] Fallback order for Node 1: 1 0 [ 0.976655][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.987753][ T0] Policy zone: Normal [ 0.990581][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.997347][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 1.002559][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.011806][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.807858][ T0] ********************************************************** [ 1.811091][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.814250][ T0] ** ** [ 1.816755][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.819527][ T0] ** via the console, logs, and other interfaces. This ** [ 1.822363][ T0] ** might reduce the security of your system. ** [ 1.826051][ T0] ** ** [ 1.830984][ T0] ** If you see this message and you are not debugging ** [ 1.838793][ T0] ** the kernel, report this immediately to your system ** [ 1.847179][ T0] ** administrator! ** [ 1.856464][ T0] ** ** [ 1.867536][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.879806][ T0] ** ** [ 1.891571][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.900117][ T0] ********************************************************** [ 1.910624][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 2.030668][ T0] allocated 167772160 bytes of page_ext [ 2.036498][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.073178][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 2.099146][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 2.126843][ T0] Node 1, zone Normal: page owner found early allocated 19847 pages [ 2.137234][ T0] Kernel/User page tables isolation: enabled [ 2.146541][ T0] Dynamic Preempt: full [ 2.152635][ T0] Running RCU self tests [ 2.157838][ T0] Running RCU synchronous self tests [ 2.166845][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.174945][ T0] rcu: RCU lockdep checking is enabled. [ 2.181266][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 2.189621][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 2.198055][ T0] rcu: RCU debug extended QS entry/exit. [ 2.204192][ T0] All grace periods are expedited (rcu_expedited). [ 2.211493][ T0] Trampoline variant of Tasks RCU enabled. [ 2.217590][ T0] Tracing variant of Tasks RCU enabled. [ 2.224599][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.235582][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.244200][ T0] Running RCU synchronous self tests [ 2.249637][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 2.520228][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.529102][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.537902][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.549817][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 2.564750][ T0] Console: colour VGA+ 80x25 [ 2.569512][ T0] printk: legacy console [ttyS0] enabled [ 2.569512][ T0] printk: legacy console [ttyS0] enabled [ 2.582825][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.582825][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.603588][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.615602][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.621711][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.629996][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.636949][ T0] ... CLASSHASH_SIZE: 4096 [ 2.643479][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.650830][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.661405][ T0] ... CHAINHASH_SIZE: 524288 [ 2.668683][ T0] memory used by lock dependency info: 106625 kB [ 2.685068][ T0] memory used for stack traces: 8320 kB [ 2.692722][ T0] per task-struct memory footprint: 1920 bytes [ 2.700480][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.720750][ T0] ACPI: Core revision 20260408 [ 2.730247][ T0] APIC: Switch to symmetric I/O mode setup [ 2.741026][ T0] x2apic enabled [ 2.758243][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.778648][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.787250][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 2.801919][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 2.812609][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.821920][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 2.831994][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.841924][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.851924][ T0] Spectre V2 : Mitigation: IBRS [ 2.861922][ T0] RETBleed: Mitigation: IBRS [ 2.871921][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.881928][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.891922][ T0] MDS: Mitigation: Clear CPU buffers [ 2.901930][ T0] TAA: Mitigation: Clear CPU buffers [ 2.911049][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.911924][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.921928][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.931959][ T0] Spectre V2 : Enabling IBPB for BPF [ 2.941945][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.951979][ T0] active return thunk: its_return_thunk [ 2.961930][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.972181][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.981925][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.991925][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 3.002002][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 3.012010][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 3.633259][ T0] pid_max: default: 32768 minimum: 301 [ 3.643973][ T0] landlock: Up and running. [ 3.649742][ T0] Yama: becoming mindful. [ 3.652736][ T0] TOMOYO Linux initialized [ 3.663209][ T0] AppArmor: AppArmor initialized [ 3.675111][ T0] LSM support for eBPF active [ 3.682859][ T0] debugfs: Unable to create file 'net_refcnt@ffffffff9b535040', debugfs is not initialized yet [ 3.691969][ T0] debugfs: Unable to create file 'net_notrefcnt@ffffffff9b5350b8', debugfs is not initialized yet [ 3.709555][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 3.715244][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 3.722457][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 3.732171][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 3.752343][ T0] VFS: Finished mounting rootfs on nullfs [ 3.766365][ T0] Running RCU synchronous self tests [ 3.771927][ T0] Running RCU synchronous self tests [ 3.904883][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 3.918165][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 3.922074][ T1] signal: max sigframe size: 1776 [ 3.928197][ T1] rcu: Hierarchical SRCU implementation. [ 3.931928][ T1] rcu: Max phase no-delay instances is 1000. [ 3.943192][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 4.061107][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 4.063242][ T1] smp: Bringing up secondary CPUs ... [ 4.074853][ T1] smpboot: x86: Booting SMP configuration: [ 4.081983][ T1] .... node #0, CPUs: #1 [ 4.092996][ 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. [ 4.102011][ 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. [ 4.111930][ 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. [ 4.122247][ T1] smp: Brought up 2 nodes, 2 CPUs [ 4.131934][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 4.143442][ T1] Memory: 6446616K/8388204K available (173690K kernel code, 41855K rwdata, 41912K rodata, 27748K init, 120120K bss, 1751868K reserved, 0K cma-reserved) [ 4.164806][ T1] devtmpfs: initialized [ 4.173466][ T1] x86/mm: Memory block size: 128MB [ 4.268678][ T1] Running RCU synchronous self tests [ 4.271959][ T1] Running RCU synchronous self tests [ 4.282337][ T1] Running RCU Tasks wait API self tests [ 4.288253][ T1] Running RCU Tasks Trace wait API self tests [ 4.292358][ T1] posixtimers hash table entries: 1024 (order: 5, 73728 bytes, vmalloc) [ 4.302130][ T1] futex hash table entries: 256 (32768 bytes on 2 NUMA nodes, total 64 KiB, linear). [ 4.324327][ T1] xor: automatically using best checksumming function avx [ 4.337651][ T1] PM: RTC time: 10:55:19, date: 2026-08-22 [ 4.357794][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 4.362031][ T10] Callback from call_rcu_tasks_trace() invoked. [ 4.385045][ T1] audit: initializing netlink subsys (disabled) [ 4.392399][ T31] audit: type=2000 audit(1787396119.609:1): state=initialized audit_enabled=0 res=1 [ 4.407286][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 4.407620][ T1] cpuidle: using governor menu [ 4.422460][ T1] NET: Registered PF_QIPCRTR protocol family [ 4.442940][ T1] dca service started, version 1.12.1 [ 4.449624][ T1] PCI: Using configuration type 1 for base access [ 4.492418][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 4.502085][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 4.511099][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 4.511962][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 4.511945][ T29] Callback from call_rcu_tasks() invoked. [ 4.582874][ T1] raid6: using avx2x2 recovery algorithm [ 4.589195][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 4.596472][ T1] ACPI: Added _OSI(Module Device) [ 4.602327][ T1] ACPI: Added _OSI(Processor Device) [ 4.611927][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.896519][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.952341][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 5.021787][ T1] ACPI: Interpreter enabled [ 5.022648][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 5.032012][ T1] ACPI: Using IOAPIC for interrupt routing [ 5.042535][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.051955][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 5.085268][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 5.539818][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.542736][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 5.626415][ T1] PCI host bridge to bus 0000:00 [ 5.632421][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.640655][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0x0fff window] [ 5.641980][ T1] pci_bus 0000:00: root bus resource [io 0xc000-0xffff window] [ 5.651983][ T1] pci_bus 0000:00: root bus resource [io 0xa000-0xbfff window] [ 5.661987][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.671961][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 5.681985][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.692719][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 5.707812][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 5.731735][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 5.752470][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.770838][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 5.790217][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 5.792336][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 5.820730][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 5.835328][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 5.841995][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 5.863294][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 5.888185][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 5.892966][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 5.914224][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 5.931977][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 5.949311][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 5.973059][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 5.981969][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 6.056488][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 6.084907][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 6.109213][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 6.135930][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 6.152694][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 6.202004][ T1] iommu: Default domain type: Translated [ 6.209364][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 6.235602][ T1] SCSI subsystem initialized [ 6.254776][ T1] ACPI: bus type USB registered [ 6.261977][ T1] usbcore: registered new interface driver usbfs [ 6.269729][ T1] usbcore: registered new interface driver hub [ 6.272551][ T1] usbcore: registered new device driver usb [ 6.286566][ T1] mc: Linux media interface: v0.10 [ 6.292651][ T1] videodev: Linux video capture interface: v2.00 [ 6.303433][ T1] pps_core: LinuxPPS API ver. 1 registered [ 6.311926][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.323094][ T1] PTP clock support registered [ 6.333698][ T1] EDAC MC: Ver: 3.0.0 [ 6.362280][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 6.385342][ T1] Bluetooth: Core ver 2.22 [ 6.390714][ T1] NET: Registered PF_BLUETOOTH protocol family [ 6.391939][ T1] Bluetooth: HCI device and connection manager initialized [ 6.402079][ T1] Bluetooth: HCI socket layer initialized [ 6.412232][ T1] Bluetooth: L2CAP socket layer initialized [ 6.422523][ T1] Bluetooth: SCO socket layer initialized [ 6.433281][ T1] NET: Registered PF_ATMPVC protocol family [ 6.442607][ T1] NetLabel: Initializing [ 6.449597][ T1] NetLabel: domain hash size = 128 [ 6.452010][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 6.472519][ T1] NetLabel: unlabeled traffic allowed by default [ 6.487095][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 6.492735][ T1] NET: Registered PF_NFC protocol family [ 6.502194][ T1] mctp: management component transport protocol core [ 6.511944][ T1] NET: Registered PF_MCTP protocol family [ 6.523331][ T1] PCI: Using ACPI for IRQ routing [ 6.532484][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 6.542923][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 6.553610][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 6.561393][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 6.561901][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 6.561967][ T1] vgaarb: loaded [ 6.587210][ T1] clocksource: Switched to clocksource kvm-clock [ 6.613158][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.619427][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 6.639688][ T1] netfs: FS-Cache loaded [ 6.652115][ T1] CacheFiles: Loaded [ 6.659074][ T1] TOMOYO: 2.6.0 [ 6.665373][ T1] Mandatory Access Control activated. [ 6.681069][ T1] AppArmor: AppArmor Filesystem Enabled [ 6.688330][ T1] pnp: PnP ACPI init [ 6.753189][ T1] pnp: PnP ACPI: found 6 devices [ 6.866867][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.879936][ T1] NET: Registered PF_INET protocol family [ 6.888856][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 6.916004][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 7, 294912 bytes, vmalloc) [ 6.927673][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 6.939720][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 6.963382][ T1] TCP bind hash table entries: 65536 (order: 12, 9437184 bytes, vmalloc hugepage) [ 6.984847][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 6.996181][ T1] MPTCP token hash table entries: 8192 (order: 8, 720896 bytes, vmalloc) [ 7.007388][ T1] UDP hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc) [ 7.018480][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 7.033043][ T1] RPC: Registered named UNIX socket transport module. [ 7.041029][ T1] RPC: Registered udp transport module. [ 7.047194][ T1] RPC: Registered tcp transport module. [ 7.053345][ T1] RPC: Registered tcp-with-tls transport module. [ 7.061092][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 7.077293][ T1] NET: Registered PF_XDP protocol family [ 7.084555][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 7.093175][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0x0fff window] [ 7.102036][ T1] pci_bus 0000:00: resource 6 [io 0xc000-0xffff window] [ 7.109968][ T1] pci_bus 0000:00: resource 7 [io 0xa000-0xbfff window] [ 7.117419][ T1] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window] [ 7.126097][ T1] pci_bus 0000:00: resource 9 [mem 0xc0000000-0xfebfefff window] [ 7.138760][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 7.148541][ T1] PCI: CLS 0 bytes, default 64 [ 7.155068][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 7.163648][ T1] software IO TLB: mapped [mem 0x00000000b4400000-0x00000000b8400000] (64MB) [ 7.179099][ T1] ACPI: bus type thunderbolt registered [ 7.206819][ T59] kworker/u8:3 (59) used greatest stack depth: 28312 bytes left [ 7.217723][ T60] kworker/u8:3 (60) used greatest stack depth: 27864 bytes left [ 7.218365][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 7.274157][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 7.281406][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 7.295305][ T1] clocksource: Switched to clocksource tsc [ 7.324198][ T67] kworker/u8:3 (67) used greatest stack depth: 27640 bytes left [ 7.367239][ T1] Initialise system trusted keyrings [ 7.379339][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 7.400907][ T1] DLM installed [ 7.415403][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 7.436873][ T1] NFS: Registering the id_resolver key type [ 7.445672][ T1] Key type id_resolver registered [ 7.454593][ T1] Key type id_legacy registered [ 7.461477][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 7.473026][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 7.498411][ T1] smbdirect: subsystem loading... [ 7.521052][ T1] smbdirect: subsystem loaded [ 7.549191][ T1] Key type cifs.spnego registered [ 7.556231][ T1] Key type cifs.idmap registered [ 7.570058][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 7.576365][ T1] ntfs3: Read-only LZX/Xpress compression included [ 7.585189][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 7.597775][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 7.605637][ T1] QNX4 filesystem 0.2.3 registered. [ 7.613980][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 7.625824][ T1] fuse: init (API version 7.45) [ 7.639652][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 7.654508][ T1] orangefs_init: module version upstream loaded [ 7.671168][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 7.707677][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 7.740342][ T1] 9p: Installing v9fs 9p2000 file system support [ 7.750197][ T1] NILFS version 2 loaded [ 7.762930][ T1] befs: version: 0.9.3 [ 7.775363][ T1] ocfs2: Registered cluster interface o2cb [ 7.790702][ T1] ocfs2: Registered cluster interface user [ 7.802858][ T1] OCFS2 User DLM kernel interface loaded [ 7.858898][ T1] gfs2: GFS2 installed [ 7.890449][ T1] ceph: loaded (mds proto 32) [ 7.928515][ T1] cryptd: max_cpu_qlen set to 1000 [ 8.022954][ T1] NET: Registered PF_ALG protocol family [ 8.034264][ T1] async_tx: api initialized (async) [ 8.044395][ T1] Key type asymmetric registered [ 8.053579][ T1] Asymmetric key parser 'x509' registered [ 8.070465][ T1] Asymmetric key parser 'pkcs8' registered [ 8.083813][ T1] Key type pkcs7_test registered [ 8.094104][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 8.112958][ T1] io scheduler mq-deadline registered [ 8.121114][ T1] io scheduler kyber registered [ 8.130620][ T1] io scheduler bfq registered [ 8.143874][ T134] kworker/u8:3 (134) used greatest stack depth: 27576 bytes left [ 8.181566][ T150] kworker/u8:4 (150) used greatest stack depth: 27512 bytes left [ 8.199268][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 8.222725][ T1] ACPI: button: Power Button [PWRF] [ 8.246747][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 8.272025][ T1] ACPI: button: Sleep Button [SLPF] [ 8.312574][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 8.384985][ T10] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 8.394668][ T10] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 8.466063][ T10] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 8.473348][ T10] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 8.542587][ T10] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 8.552444][ T10] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 8.611589][ T10] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 9.238437][ T488] kworker/u8:6 (488) used greatest stack depth: 26904 bytes left [ 9.614789][ T1] N_HDLC line discipline registered with maxframe=4096 [ 9.626210][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.650014][ T1] 00:02: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 9.683528][ T1] 00:03: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 9.717283][ T1] 00:04: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 9.748101][ T1] 00:05: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 9.803137][ T1] Non-volatile memory driver v1.3 [ 9.872050][ T1] usbcore: registered new interface driver xillyusb [ 9.882756][ T1] ACPI: bus type drm_connector registered [ 9.903775][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 9.918970][ T1] ------------[ cut here ]------------ [ 9.924668][ T1] [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup [ 9.924702][ T1] WARNING: drivers/gpu/drm/drm_mode_config.c:872 at drm_mode_config_validate+0xfb4/0x1be0, CPU#0: swapper/0/1 [ 9.950604][ T1] Modules linked in: [ 9.956032][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 9.968456][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 9.980319][ T1] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 [ 9.987862][ 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 4e 2f 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 e3 60 fc 48 8d [ 10.011007][ T1] RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 [ 10.017721][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 10.026974][ T1] RDX: ffff888025f58ea0 RSI: 0000000000000023 RDI: ffffffff90d71bb0 [ 10.035665][ T1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 10.045086][ T1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004c93c23 [ 10.054115][ T1] R13: ffffed1004c93c24 R14: 0000000000000001 R15: ffff88802649e028 [ 10.062412][ T1] FS: 0000000000000000(0000) GS:ffff88812440a000(0000) knlGS:0000000000000000 [ 10.077158][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.084105][ T1] CR2: ffff88823ffff000 CR3: 000000000e586000 CR4: 00000000003526f0 [ 10.093478][ T1] Call Trace: [ 10.097566][ T1] [ 10.101718][ T1] drm_dev_register+0x56e/0x7b0 [ 10.107158][ T1] vkms_create+0x491/0x5b0 [ 10.111916][ T1] ? __pfx_vkms_init+0x10/0x10 [ 10.117488][ T1] vkms_init+0x98/0xe0 [ 10.122162][ T1] do_one_initcall+0x11c/0x6f0 [ 10.127726][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 10.134615][ T1] ? kernel_init_freeable+0x4ca/0x7b0 [ 10.141204][ T1] kernel_init_freeable+0x6ea/0x7b0 [ 10.151156][ T1] ? __pfx_kernel_init+0x10/0x10 [ 10.162306][ T1] kernel_init+0x21/0x1e0 [ 10.168336][ T1] ? __pfx_kernel_init+0x10/0x10 [ 10.177012][ T1] ret_from_fork+0x730/0xd60 [ 10.182722][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 10.194824][ T1] ? __switch_to+0x800/0x10f0 [ 10.200466][ T1] ? __switch_to_asm+0x39/0x70 [ 10.206138][ T1] ? __pfx_kernel_init+0x10/0x10 [ 10.212710][ T1] ret_from_fork_asm+0x1a/0x30 [ 10.218506][ T1] [ 10.222298][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 10.228437][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 10.228437][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 10.228437][ T1] Call Trace: [ 10.228437][ T1] [ 10.228437][ T1] dump_stack_lvl+0x100/0x190 [ 10.228437][ T1] vpanic+0x553/0x970 [ 10.228437][ T1] ? __pfx_vpanic+0x10/0x10 [ 10.274204][ T1] panic+0xd1/0xe0 [ 10.274204][ T1] ? __pfx_panic+0x10/0x10 [ 10.274204][ T1] check_panic_on_warn.cold+0x19/0x34 [ 10.274204][ T1] ? drm_mode_config_validate+0xfb4/0x1be0 [ 10.274204][ T1] __warn.cold+0x191/0x318 [ 10.274204][ T1] __report_bug+0x30f/0x440 [ 10.274204][ T1] ? drm_mode_config_validate+0xfb4/0x1be0 [ 10.274204][ T1] ? __pfx___report_bug+0x10/0x10 [ 10.274204][ T1] ? __lock_acquire+0x4c5/0x1ec0 [ 10.274204][ T1] report_bug_entry+0xe2/0x290 [ 10.274204][ T1] ? drm_mode_config_validate+0xfbb/0x1be0 [ 10.274204][ T1] handle_bug+0x1cd/0x2a0 [ 10.274204][ T1] exc_invalid_op+0x17/0x50 [ 10.274204][ T1] asm_exc_invalid_op+0x1a/0x20 [ 10.274204][ T1] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 [ 10.274204][ 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 4e 2f 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 e3 60 fc 48 8d [ 10.374312][ T1] RSP: 0000:ffffc90000067c18 EFLAGS: 00010246 [ 10.374312][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 10.374312][ T1] RDX: ffff888025f58ea0 RSI: 0000000000000023 RDI: ffffffff90d71bb0 [ 10.374312][ T1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 10.374312][ T1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004c93c23 [ 10.374312][ T1] R13: ffffed1004c93c24 R14: 0000000000000001 R15: ffff88802649e028 [ 10.374312][ T1] ? drm_mode_config_validate+0xf76/0x1be0 [ 10.374312][ T1] drm_dev_register+0x56e/0x7b0 [ 10.374312][ T1] vkms_create+0x491/0x5b0 [ 10.374312][ T1] ? __pfx_vkms_init+0x10/0x10 [ 10.374312][ T1] vkms_init+0x98/0xe0 [ 10.374312][ T1] do_one_initcall+0x11c/0x6f0 [ 10.374312][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 10.474281][ T1] ? kernel_init_freeable+0x4ca/0x7b0 [ 10.474281][ T1] kernel_init_freeable+0x6ea/0x7b0 [ 10.474281][ T1] ? __pfx_kernel_init+0x10/0x10 [ 10.474281][ T1] kernel_init+0x21/0x1e0 [ 10.474281][ T1] ? __pfx_kernel_init+0x10/0x10 [ 10.474281][ T1] ret_from_fork+0x730/0xd60 [ 10.474281][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 10.474281][ T1] ? __switch_to+0x800/0x10f0 [ 10.474281][ T1] ? __switch_to_asm+0x39/0x70 [ 10.474281][ T1] ? __pfx_kernel_init+0x10/0x10 [ 10.474281][ T1] ret_from_fork_asm+0x1a/0x30 [ 10.474281][ T1] [ 10.474281][ T1] Kernel Offset: disabled [ 10.474281][ 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-build2227337947=/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 f8f2b4da0e6 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}}' ./sys/syz-sysgen | grep -q false || go install ./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=f8f2b4da0e6eaaf0aeed6f6d613d86d599aafcd3 -X github.com/google/syzkaller/prog.gitRevisionDate=20250729-133428" -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=\"f8f2b4da0e6eaaf0aeed6f6d613d86d599aafcd3\" /usr/bin/ld: /tmp/ccoS8z5G.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