WARNING in drm_mode_config_validate smbdirect: subsystem loading... smbdirect: subsystem loaded Key type cifs.spnego registered Key type cifs.idmap registered 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 7.46) orangefs_debugfs_init: called with debug mask: :none: :0: orangefs_init: module version upstream loaded JFS: nTxBlock = 8192, nTxLock = 65536 SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled 9p: Installing v9fs 9p2000 file system support NILFS version 2 loaded befs: version: 0.9.3 ocfs2: Registered cluster interface o2cb ocfs2: Registered cluster interface user OCFS2 User DLM kernel interface loaded gfs2: GFS2 installed ceph: loaded (mds proto 32) 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 240) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered raid6: skipped pq benchmark and selected avx2x4 input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 ACPI: button: Power Button [PWRF] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 ACPI: button: Sleep Button [SLPF] ioatdma: Intel(R) QuickData Technology Driver 5.00 N_HDLC line discipline registered with maxframe=4096 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:02: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:04: ttyS2 I/O:0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:05: ttyS3 I/O:0x2e8 (irq = 7, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 usbcore: registered new interface driver xillyusb ACPI: bus type drm_connector registered [drm] Initialized vgem 1.0.0 for vgem on minor 0 ------------[ cut here ]------------ [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup WARNING: drivers/gpu/drm/drm_mode_config.c:873 at validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline], CPU#1: swapper/0/1 WARNING: drivers/gpu/drm/drm_mode_config.c:873 at drm_mode_config_validate+0x1c6a/0x1e60 drivers/gpu/drm/drm_mode_config.c:938, CPU#1: swapper/0/1 Modules linked in: CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 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+0x1cab/0x1e60 drivers/gpu/drm/drm_mode_config.c:938 Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 bd 9c b9 fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 e9 2c 4e fc 49 bd 00 00 00 00 00 fc ff df RSP: 0000:ffffc90000067830 EFLAGS: 00010246 RAX: 1ffff110044e0c08 RBX: dffffc0000000000 RCX: ffff88801e275d00 RDX: ffff888020b3ea40 RSI: 0000000000000023 RDI: ffffffff8fcdf770 RBP: 0000000000000023 R08: ffff8880235240bb R09: 1ffff110046a4817 R10: dffffc0000000000 R11: ffffed10046a4818 R12: dffffc0000000000 R13: ffffffff8fcdf770 R14: ffff888022706040 R15: ffff888022706030 FS: 0000000000000000(0000) GS:ffff888125aac000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000e13c000 CR4: 00000000003526f0 Call Trace: drm_dev_register+0x7c/0xd70 drivers/gpu/drm/drm_drv.c:1077 vkms_create+0x40d/0x4f0 drivers/gpu/drm/vkms/vkms_drv.c:208 vkms_init+0x57/0x80 drivers/gpu/drm/vkms/vkms_drv.c:240 do_one_initcall+0x247/0x7e0 init/main.c:1357 do_initcall_level+0x10a/0x1a0 init/main.c:1419 do_initcalls+0x3e/0x70 init/main.c:1435 kernel_init_freeable+0x29d/0x3e0 init/main.c:1670 kernel_init+0x22/0x1d0 init/main.c:1560 ret_from_fork+0x510/0xb60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 0f 85 ae 00 00 00 jne 0xb4 6: 4d 8d 77 10 lea 0x10(%r15),%r14 a: 8b 6d 00 mov 0x0(%rbp),%ebp d: 4c 89 f0 mov %r14,%rax 10: 48 c1 e8 03 shr $0x3,%rax 14: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 18: 74 08 je 0x22 1a: 4c 89 f7 mov %r14,%rdi 1d: e8 bd 9c b9 fc call 0xfcb99cdf 22: 49 8b 16 mov (%r14),%rdx 25: 4c 89 ef mov %r13,%rdi 28: 89 ee mov %ebp,%esi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: eb 05 jmp 0x36 31: e8 e9 2c 4e fc call 0xfc4e2d1f 36: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13 3d: fc ff df failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.11" "pwd"]: exit status 255 ssh: connect to host 10.128.10.11 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 a35f3621-293a-7c17-83e1-ac9a499fc82f found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f25d0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8) #0 SMP PREEMPT_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 22288632784 cycles [ 0.014084][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.064920][ T0] tsc: Detected 2200.228 MHz processor [ 0.085846][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.103599][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.123460][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.136115][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.151350][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.162884][ T0] Using GB pages for direct mapping [ 0.174892][ T0] ACPI: Early table checksum verification disabled [ 0.189436][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.203410][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.220552][ T0] ACPI: FACP 0x00000000BFFFF3B0 000114 (v06 Google GOOGFACP 00000001 GOOG 00000001) [ 0.238179][ T0] ACPI: DSDT 0x00000000BFFFD5C0 001DED (v02 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.259594][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.269326][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.281537][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.304919][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.323045][ T0] ACPI: SSDT 0x00000000BFFFF4D0 000914 (v02 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.336466][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.348545][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff3b0-0xbffff4c3] [ 0.358567][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd5c0-0xbffff3ac] [ 0.370032][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.389024][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.405367][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.424142][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.438136][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff4d0-0xbffffde3] [ 0.458603][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.476773][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.499078][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.515588][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.528577][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.551699][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.567280][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.579046][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.596358][ T0] NODE_DATA(0) allocated [mem 0x13fffb900-0x140000fff] [ 0.608168][ T0] NODE_DATA(1) allocated [mem 0x23fff7900-0x23fffcfff] [ 1.047367][ T0] KernelAddressSanitizer initialized (generic) [ 1.056503][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 1.062483][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.071608][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.079635][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.090493][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.105473][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.121001][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.136195][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 1.153621][ T0] CPU topo: Max. logical packages: 1 [ 1.165138][ T0] CPU topo: Max. logical nodes: 1 [ 1.174468][ T0] CPU topo: Num. nodes per package: 1 [ 1.184485][ T0] CPU topo: Max. logical dies: 1 [ 1.200944][ T0] CPU topo: Max. dies per package: 1 [ 1.211278][ T0] CPU topo: Max. threads per core: 2 [ 1.225357][ T0] CPU topo: Num. cores per package: 1 [ 1.233859][ T0] CPU topo: Num. threads per package: 2 [ 1.240058][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 1.248616][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.263862][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 1.277842][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 1.291280][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 1.300321][ T0] Booting paravirtualized kernel on KVM [ 1.306680][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.431764][ T0] Zone ranges: [ 1.438867][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.450770][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 1.461680][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 1.473931][ T0] Device empty [ serialport: Connected to syzkaller.us-central1-f.ci2-linux-5-15-kasan-test-job-parallel-1 port 1 (session ID: cd2c6f95ffad8171f8d38e274aef18c0777ec4a9deef7d06f54f1a24cde34e12, active connections: 1). 1.481029][ T0] Movable zone start for each node [ 1.488614][ T0] Early memory node ranges [ 1.496993][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.511094][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 1.527424][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 1.538735][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 1.551327][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 1.565616][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 1.631792][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 1.648364][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 1.790914][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 1.932592][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 1.960466][ T0] percpu: Embedded 71 pages/cpu s252808 r8192 d29816 u1048576 [ 1.984405][ T0] kvm-guest: PV spinlocks enabled [ 1.999865][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 2.023796][ 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 \ [ 2.302554][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 2.337307][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 2.366250][ T0] random: crng init done [ 2.375635][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 2.398702][ T0] software IO TLB: area num 2. [ 2.480255][ T0] Fallback order for Node 0: 0 1 [ 2.480369][ T0] Fallback order for Node 1: 1 0 [ 2.480561][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 2.558490][ T0] Policy zone: Normal [ 2.565851][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 2.586676][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 2.608729][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 2.637762][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 4.067578][ T0] ********************************************************** [ 4.083508][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 4.104389][ T0] ** ** [ 4.121405][ T0] ** This system shows unhashed kernel memory addresses ** [ 4.134974][ T0] ** via the console, logs, and other interfaces. This ** [ 4.149202][ T0] ** might reduce the security of your system. ** [ 4.159849][ T0] ** ** [ 4.170983][ T0] ** If you see this message and you are not debugging ** [ 4.185118][ T0] ** the kernel, report this immediately to your system ** [ 4.198213][ T0] ** administrator! ** [ 4.212110][ T0] ** ** [ 4.224226][ T0] ** Use hash_pointers=always to force this mode off ** [ 4.240649][ T0] ** ** [ 4.254377][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 4.266623][ T0] ********************************************************** [ 4.287614][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 4.507496][ T0] allocated 150994944 bytes of page_ext [ 4.527250][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 4.566419][ T0] Node 0, zone DMA32: page owner found early allocated 19008 pages [ 4.594984][ T0] Node 0, zone Normal: page owner found early allocated 131 pages [ 4.633849][ T0] Node 1, zone Normal: page owner found early allocated 17863 pages [ 4.647051][ T0] Kernel/User page tables isolation: enabled [ 4.656325][ T0] Dynamic Preempt: full [ 4.663011][ T0] Running RCU self tests [ 4.671397][ T0] Running RCU synchronous self tests [ 4.683167][ T0] rcu: Preemptible hierarchical RCU implementation. [ 4.693960][ T0] rcu: RCU lockdep checking is enabled. [ 4.700650][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 4.711084][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 4.724350][ T0] rcu: RCU debug extended QS entry/exit. [ 4.735411][ T0] All grace periods are expedited (rcu_expedited). [ 4.747191][ T0] Trampoline variant of Tasks RCU enabled. [ 4.758346][ T0] Tracing variant of Tasks RCU enabled. [ 4.767418][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 4.787134][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 4.806553][ T0] Running RCU synchronous self tests [ 4.820248][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 5.144854][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 5.157790][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 5.180326][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.201758][ T0] Console: colour VGA+ 80x25 [ 5.210263][ T0] printk: console [ttyS0] enabled [ 5.210263][ T0] printk: console [ttyS0] enabled [ 5.231260][ T0] printk: legacy bootconsole [earlyser0] disabled [ 5.231260][ T0] printk: legacy bootconsole [earlyser0] disabled [ 5.260401][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 5.275148][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 5.284321][ T0] ... MAX_LOCK_DEPTH: 48 [ 5.295906][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 5.306548][ T0] ... CLASSHASH_SIZE: 4096 [ 5.313712][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 5.322241][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 5.332648][ T0] ... CHAINHASH_SIZE: 524288 [ 5.342929][ T0] memory used by lock dependency info: 106625 kB [ 5.355815][ T0] memory used for stack traces: 8320 kB [ 5.368071][ T0] per task-struct memory footprint: 1920 bytes [ 5.378640][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 5.403410][ T0] ACPI: Core revision 20260408 [ 5.415255][ T0] APIC: Switch to symmetric I/O mode setup [ 5.430253][ T0] x2apic enabled [ 5.462526][ T0] APIC: Switched APIC routing to: physical x2apic [ 5.510953][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 5.525503][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb70a57817, max_idle_ns: 440795303943 ns [ 5.550295][ T0] Calibrating delay loop (skipped) preset value.. 4400.45 BogoMIPS (lpj=22002280) [ 5.561022][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 5.570292][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 5.580378][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 5.590297][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 5.600294][ T0] Spectre V2 : Mitigation: IBRS [ 5.610293][ T0] RETBleed: Mitigation: IBRS [ 5.620293][ T0] ITS: Mitigation: Aligned branch/return thunks [ 5.630301][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 5.640294][ T0] MDS: Mitigation: Clear CPU buffers [ 5.650296][ T0] TAA: Mitigation: Clear CPU buffers [ 5.660293][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 5.670378][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 5.680299][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 5.690320][ T0] Spectre V2 : Enabling IBPB for BPF [ 5.700311][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 5.710346][ T0] active return thunk: its_return_thunk [ 5.730295][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 5.740543][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 5.750401][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 5.760303][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 5.770296][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 5.780293][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 6.217073][ T0] pid_max: default: 32768 minimum: 301 [ 6.222663][ T0] landlock: Up and running. [ 6.230294][ T0] Yama: becoming mindful. [ 6.241516][ T0] TOMOYO Linux initialized [ 6.251816][ T0] AppArmor: AppArmor initialized [ 6.263028][ T0] LSM support for eBPF active [ 6.287200][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 6.293025][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 6.301047][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 6.320480][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 6.341613][ T0] VFS: Finished mounting rootfs on nullfs [ 6.354269][ T0] Running RCU synchronous self tests [ 6.360344][ T0] Running RCU synchronous self tests [ 6.497069][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 6.514303][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 6.520409][ T1] signal: max sigframe size: 1776 [ 6.532172][ T1] rcu: Hierarchical SRCU implementation. [ 6.540357][ T1] rcu: Max phase no-delay instances is 1000. [ 6.552049][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 6.629310][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 6.631602][ T1] smp: Bringing up secondary CPUs ... [ 6.642692][ T1] smpboot: x86: Booting SMP configuration: [ 6.650384][ T1] .... node #0, CPUs: #1 [ 6.661388][ 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. [ 6.661388][ 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. [ 6.661388][ 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. [ 6.661388][ T1] smp: Brought up 2 nodes, 2 CPUs [ 6.661388][ T1] smpboot: Total of 2 processors activated (8800.91 BogoMIPS) [ 6.702271][ T1] Memory: 6487640K/8388204K available (172010K kernel code, 28970K rwdata, 39788K rodata, 26224K init, 119276K bss, 1725944K reserved, 0K cma-reserved) [ 6.705688][ T1] devtmpfs: initialized [ 6.709293][ T1] x86/mm: Memory block size: 128MB [ 6.765513][ T1] Running RCU synchronous self tests [ 6.765513][ T1] Running RCU synchronous self tests [ 6.780640][ T1] Running RCU Tasks wait API self tests [ 6.890634][ T1] Running RCU Tasks Trace wait API self tests [ 6.910668][ T1] posixtimers hash table entries: 1024 (order: 5, 73728 bytes, vmalloc) [ 6.910836][ T1] futex hash table entries: 256 (32768 bytes on 2 NUMA nodes, total 64 KiB, linear). [ 6.913604][ T1] xor: automatically using best checksumming function avx [ 6.941251][ T1] PM: RTC time: 09:32:44, date: 2026-08-26 [ 6.954071][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 6.959974][ T1] audit: initializing netlink subsys (disabled) [ 6.959974][ T31] audit: type=2000 audit(1787736763.386:1): state=initialized audit_enabled=0 res=1 [ 6.959974][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 6.959974][ T1] thermal_sys: Registered thermal governor 'user_space' [ 6.970362][ T10] Callback from call_rcu_tasks_trace() invoked. [ 6.970366][ T1] cpuidle: using governor menu [ 6.970602][ T1] NET: Registered PF_QIPCRTR protocol family [ 6.992603][ T1] dca service started, version 1.12.1 [ 6.992924][ T1] PCI: Using configuration type 1 for base access [ 7.040410][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 7.040476][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 7.040476][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 7.040476][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 7.094411][ T1] raid6: using avx2x2 recovery algorithm [ 7.100275][ T1] ACPI: Added _OSI(Module Device) [ 7.110309][ T1] ACPI: Added _OSI(Processor Device) [ 7.110309][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 7.385574][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 7.440683][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 7.509392][ T1] ACPI: Interpreter enabled [ 7.521357][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 7.521405][ T1] ACPI: Using IOAPIC for interrupt routing [ 7.521584][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 7.521584][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 7.535260][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 8.041982][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 8.042656][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 8.099538][ T1] PCI host bridge to bus 0000:00 [ 8.100114][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 8.100155][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0x0fff window] [ 8.100188][ T1] pci_bus 0000:00: root bus resource [io 0xc000-0xffff window] [ 8.100221][ T1] pci_bus 0000:00: root bus resource [io 0xa000-0xbfff window] [ 8.100304][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 8.100334][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 8.100373][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 8.100793][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 8.104695][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 8.113302][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 8.120787][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 8.127538][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 8.160380][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 8.160423][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 8.167537][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 8.185102][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 8.185146][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 8.203025][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 8.225052][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 8.225855][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 8.243122][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 8.260399][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 8.267819][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 8.276674][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 8.276718][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 8.407903][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 8.424382][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 8.436866][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 8.447485][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 8.452383][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 8.492786][ T1] iommu: Default domain type: Translated [ 8.492820][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 8.512433][ T1] SCSI subsystem initialized [ 8.522883][ T1] ACPI: bus type USB registered [ 8.524232][ T1] usbcore: registered new interface driver usbfs [ 8.525164][ T1] usbcore: registered new interface driver hub [ 8.525618][ T1] usbcore: registered new device driver usb [ 8.529372][ T1] mc: Linux media interface: v0.10 [ 8.529909][ T1] videodev: Linux video capture interface: v2.00 [ 8.541640][ T1] pps_core: LinuxPPS API ver. 1 registered [ 8.541654][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 8.541890][ T1] PTP clock support registered [ 8.571125][ T1] EDAC MC: Ver: 3.0.0 [ 8.588789][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 8.628106][ T1] Bluetooth: Core ver 2.22 [ 8.628385][ T1] NET: Registered PF_BLUETOOTH protocol family [ 8.628395][ T1] Bluetooth: HCI device and connection manager initialized [ 8.628501][ T1] Bluetooth: HCI socket layer initialized [ 8.628618][ T1] Bluetooth: L2CAP socket layer initialized [ 8.628992][ T1] Bluetooth: SCO socket layer initialized [ 8.629140][ T1] NET: Registered PF_ATMPVC protocol family [ 8.629563][ T1] NetLabel: Initializing [ 8.629571][ T1] NetLabel: domain hash size = 128 [ 8.629580][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 8.630207][ T1] NetLabel: unlabeled traffic allowed by default [ 8.651670][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 8.652134][ T1] NET: Registered PF_NFC protocol family [ 8.652397][ T1] PCI: Using ACPI for IRQ routing [ 8.652678][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 8.652754][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 8.660634][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 8.660659][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 8.660671][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 8.660692][ T1] vgaarb: loaded [ 8.670254][ T1] clocksource: Switched to clocksource kvm-clock [ 8.696700][ T1] VFS: Disk quotas dquot_6.6.0 [ 8.696960][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 8.719697][ T1] netfs: FS-Cache loaded [ 8.744862][ T1] CacheFiles: Loaded [ 8.746457][ T1] TOMOYO: 2.6.0 [ 8.746470][ T1] Mandatory Access Control activated. [ 8.770784][ T1] AppArmor: AppArmor Filesystem Enabled [ 8.774355][ T1] pnp: PnP ACPI init [ 8.900062][ T1] pnp: PnP ACPI: found 6 devices [ 8.996993][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.999928][ T1] NET: Registered PF_INET protocol family [ 9.002093][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 9.012732][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 7, 294912 bytes, vmalloc) [ 9.013447][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 9.014291][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 9.026137][ T1] TCP bind hash table entries: 65536 (order: 12, 9437184 bytes, vmalloc hugepage) [ 9.033387][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 9.037403][ T1] MPTCP token hash table entries: 8192 (order: 8, 720896 bytes, vmalloc) [ 9.039223][ T1] UDP hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc) [ 9.041421][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 9.059816][ T1] RPC: Registered named UNIX socket transport module. [ 9.059928][ T1] RPC: Registered udp transport module. [ 9.059937][ T1] RPC: Registered tcp transport module. [ 9.059945][ T1] RPC: Registered tcp-with-tls transport module. [ 9.144909][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 9.167696][ T1] NET: Registered PF_XDP protocol family [ 9.174049][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 9.181454][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0x0fff window] [ 9.181478][ T1] pci_bus 0000:00: resource 6 [io 0xc000-0xffff window] [ 9.181496][ T1] pci_bus 0000:00: resource 7 [io 0xa000-0xbfff window] [ 9.181513][ T1] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window] [ 9.181532][ T1] pci_bus 0000:00: resource 9 [mem 0xc0000000-0xfebfefff window] [ 9.222374][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 9.222713][ T1] PCI: CLS 0 bytes, default 64 [ 9.234995][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 9.235016][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 9.236230][ T1] ACPI: bus type thunderbolt registered [ 9.247140][ T62] kworker/u8:1 (62) used greatest stack depth: 27696 bytes left [ 9.248808][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 9.314108][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 9.314155][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb70a57817, max_idle_ns: 440795303943 ns [ 9.324863][ T1] clocksource: Switched to clocksource tsc [ 9.381306][ T70] kworker/u8:1 (70) used greatest stack depth: 26984 bytes left [ 9.426242][ T1] Initialise system trusted keyrings [ 9.430474][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 9.450487][ T1] DLM installed [ 9.473325][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 9.500300][ T1] NFS: Registering the id_resolver key type [ 9.501056][ T1] Key type id_resolver registered [ 9.501069][ T1] Key type id_legacy registered [ 9.501424][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 9.502444][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 9.511801][ T1] smbdirect: subsystem loading... [ 9.545592][ T1] smbdirect: subsystem loaded [ 9.636352][ T1] Key type cifs.spnego registered [ 9.636824][ T1] Key type cifs.idmap registered [ 9.644115][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 9.647771][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 9.648232][ T1] QNX4 filesystem 0.2.3 registered. [ 9.648353][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 9.650266][ T1] fuse: init (API version 7.46) [ 9.659056][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 9.661880][ T1] orangefs_init: module version upstream loaded [ 9.664314][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 9.679736][ T1] SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled [ 9.711222][ T1] 9p: Installing v9fs 9p2000 file system support [ 9.713754][ T1] NILFS version 2 loaded [ 9.713769][ T1] befs: version: 0.9.3 [ 9.716342][ T1] ocfs2: Registered cluster interface o2cb [ 9.718784][ T1] ocfs2: Registered cluster interface user [ 9.728866][ T1] OCFS2 User DLM kernel interface loaded [ 9.806859][ T1] gfs2: GFS2 installed [ 9.832481][ T1] ceph: loaded (mds proto 32) [ 9.849783][ T1] cryptd: max_cpu_qlen set to 1000 [ 9.895984][ T1] NET: Registered PF_ALG protocol family [ 9.902938][ T1] async_tx: api initialized (async) [ 9.908733][ T1] Key type asymmetric registered [ 9.914912][ T1] Asymmetric key parser 'x509' registered [ 9.921147][ T1] Asymmetric key parser 'pkcs8' registered [ 9.927864][ T1] Key type pkcs7_test registered [ 9.934986][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 9.946888][ T1] io scheduler mq-deadline registered [ 9.954812][ T1] io scheduler kyber registered [ 9.962892][ T1] io scheduler bfq registered [ 9.969723][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 9.989696][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 10.006053][ T1] ACPI: button: Power Button [PWRF] [ 10.021418][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 10.053350][ T1] ACPI: button: Sleep Button [SLPF] [ 10.098807][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 10.159368][ T10] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 10.169342][ T10] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 10.235849][ T10] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 10.245262][ T10] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 10.313031][ T10] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 10.323118][ T10] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 10.388992][ T10] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 11.611603][ T1] N_HDLC line discipline registered with maxframe=4096 [ 11.624627][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 11.642216][ T1] 00:02: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 11.677159][ T1] 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 11.709115][ T1] 00:04: ttyS2 I/O:0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 11.743525][ T1] 00:05: ttyS3 I/O:0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 11.815581][ T769] kworker/u8:6 (769) used greatest stack depth: 26800 bytes left [ 11.839497][ T1] Non-volatile memory driver v1.3 [ 11.912842][ T1] usbcore: registered new interface driver xillyusb [ 11.927996][ T1] ACPI: bus type drm_connector registered [ 11.952359][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 11.964097][ T1] ------------[ cut here ]------------ [ 11.964112][ T1] [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup [ 11.964128][ T1] WARNING: drivers/gpu/drm/drm_mode_config.c:873 at drm_mode_config_validate+0x1c6a/0x1e60, CPU#1: swapper/0/1 [ 12.014520][ T1] Modules linked in: [ 12.022448][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 12.037447][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 12.061691][ T1] RIP: 0010:drm_mode_config_validate+0x1cab/0x1e60 [ 12.076651][ T1] Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 bd 9c b9 fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 e9 2c 4e fc 49 bd 00 00 00 00 00 fc ff df [ 12.118299][ T1] RSP: 0000:ffffc90000067830 EFLAGS: 00010246 [ 12.129975][ T1] RAX: 1ffff110044e0c08 RBX: dffffc0000000000 RCX: ffff88801e275d00 [ 12.141054][ T1] RDX: ffff888020b3ea40 RSI: 0000000000000023 RDI: ffffffff8fcdf770 [ 12.154445][ T1] RBP: 0000000000000023 R08: ffff8880235240bb R09: 1ffff110046a4817 [ 12.167754][ T1] R10: dffffc0000000000 R11: ffffed10046a4818 R12: dffffc0000000000 [ 12.185157][ T1] R13: ffffffff8fcdf770 R14: ffff888022706040 R15: ffff888022706030 [ 12.197632][ T1] FS: 0000000000000000(0000) GS:ffff888125aac000(0000) knlGS:0000000000000000 [ 12.211140][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.222878][ T1] CR2: 0000000000000000 CR3: 000000000e13c000 CR4: 00000000003526f0 [ 12.234565][ T1] Call Trace: [ 12.241801][ T1] [ 12.245873][ T1] ? debugfs_create_file_full+0x3f/0x60 [ 12.252988][ T1] drm_dev_register+0x7c/0xd70 [ 12.261841][ T1] vkms_create+0x40d/0x4f0 [ 12.269017][ T1] vkms_init+0x57/0x80 [ 12.274627][ T1] ? __pfx_vkms_init+0x10/0x10 [ 12.282096][ T1] do_one_initcall+0x247/0x7e0 [ 12.295173][ T1] ? __pfx_vkms_init+0x10/0x10 [ 12.305172][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 12.327444][ T1] ? kvm_clock_get_cycles+0x49/0x60 [ 12.337343][ T1] ? ktime_get+0x1ee/0x210 [ 12.348740][ T1] ? lapic_next_event+0x11/0x20 [ 12.362178][ T1] ? clockevents_program_event+0x48f/0x630 [ 12.384185][ T1] ? __pfx_clockevents_program_event+0x10/0x10 [ 12.407412][ T1] ? do_raw_spin_unlock+0xf5/0x200 [ 12.416752][ T1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.438334][ T1] ? lockdep_hardirqs_on+0x7b/0x110 [ 12.455045][ T1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.481238][ T1] ? next_arg+0x4a0/0x5e0 [ 12.494172][ T1] ? skip_spaces+0x8a/0xa0 [ 12.508455][ T1] ? parse_args+0xa96/0xbb0 [ 12.522271][ T1] ? __pfx_parse_args+0x10/0x10 [ 12.534833][ T1] ? rcu_is_watching+0x16/0xb0 [ 12.574492][ T1] do_initcall_level+0x10a/0x1a0 [ 12.588623][ T1] ? kernel_init+0x22/0x1d0 [ 12.606397][ T1] do_initcalls+0x3e/0x70 [ 12.617751][ T1] kernel_init_freeable+0x29d/0x3e0 [ 12.630701][ T1] ? __pfx_kernel_init+0x10/0x10 [ 12.644032][ T1] kernel_init+0x22/0x1d0 [ 12.652489][ T1] ? __pfx_kernel_init+0x10/0x10 [ 12.663565][ T1] ret_from_fork+0x510/0xb60 [ 12.671002][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 12.679727][ T1] ? __switch_to+0xc56/0x13f0 [ 12.685604][ T1] ? __pfx_kernel_init+0x10/0x10 [ 12.693877][ T1] ret_from_fork_asm+0x1a/0x30 [ 12.701943][ T1] [ 12.709360][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 12.711892][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 12.711892][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 12.711892][ T1] Call Trace: [ 12.711892][ T1] [ 12.711892][ T1] vpanic+0x56d/0xa60 [ 12.711892][ T1] ? __pfx__printk+0x10/0x10 [ 12.711892][ T1] ? __pfx_vpanic+0x10/0x10 [ 12.711892][ T1] ? is_bpf_text_address+0x292/0x2b0 [ 12.711892][ T1] ? is_bpf_text_address+0x26/0x2b0 [ 12.711892][ T1] panic+0xc5/0xd0 [ 12.810045][ T1] ? __pfx_panic+0x10/0x10 [ 12.810045][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 12.810045][ T1] __warn+0x310/0x4c0 [ 12.810045][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60 [ 12.810045][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60 [ 12.810045][ T1] __report_bug+0x276/0x570 [ 12.810045][ T1] ? look_up_lock_class+0x57/0x110 [ 12.810045][ T1] ? drm_mode_config_validate+0x1c6a/0x1e60 [ 12.810045][ T1] ? __pfx___report_bug+0x10/0x10 [ 12.810045][ T1] ? __pfx_inode_set_ctime_to_ts+0x10/0x10 [ 12.910044][ T1] ? seqcount_lockdep_reader_access+0xeb/0x100 [ 12.910044][ T1] ? ktime_get_coarse_real_ts64_mg+0x1be/0x1e0 [ 12.910044][ T1] report_bug_entry+0x19b/0x290 [ 12.910044][ T1] ? drm_mode_config_validate+0x1cab/0x1e60 [ 12.910044][ T1] ? drm_mode_config_validate+0x1cb0/0x1e60 [ 12.910044][ T1] handle_bug+0x10c/0x230 [ 12.910044][ T1] exc_invalid_op+0x1a/0x50 [ 12.910044][ T1] asm_exc_invalid_op+0x1a/0x20 [ 12.910044][ T1] RIP: 0010:drm_mode_config_validate+0x1cab/0x1e60 [ 12.910044][ T1] Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 bd 9c b9 fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 e9 2c 4e fc 49 bd 00 00 00 00 00 fc ff df [ 13.010052][ T1] RSP: 0000:ffffc90000067830 EFLAGS: 00010246 [ 13.010052][ T1] RAX: 1ffff110044e0c08 RBX: dffffc0000000000 RCX: ffff88801e275d00 [ 13.010052][ T1] RDX: ffff888020b3ea40 RSI: 0000000000000023 RDI: ffffffff8fcdf770 [ 13.010052][ T1] RBP: 0000000000000023 R08: ffff8880235240bb R09: 1ffff110046a4817 [ 13.110071][ T1] R10: dffffc0000000000 R11: ffffed10046a4818 R12: dffffc0000000000 [ 13.110071][ T1] R13: ffffffff8fcdf770 R14: ffff888022706040 R15: ffff888022706030 [ 13.110071][ T1] ? debugfs_create_file_full+0x3f/0x60 [ 13.110071][ T1] drm_dev_register+0x7c/0xd70 [ 13.110071][ T1] vkms_create+0x40d/0x4f0 [ 13.110071][ T1] vkms_init+0x57/0x80 [ 13.110071][ T1] ? __pfx_vkms_init+0x10/0x10 [ 13.110071][ T1] do_one_initcall+0x247/0x7e0 [ 13.110071][ T1] ? __pfx_vkms_init+0x10/0x10 [ 13.210112][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 13.210112][ T1] ? kvm_clock_get_cycles+0x49/0x60 [ 13.210112][ T1] ? ktime_get+0x1ee/0x210 [ 13.210112][ T1] ? lapic_next_event+0x11/0x20 [ 13.210112][ T1] ? clockevents_program_event+0x48f/0x630 [ 13.210112][ T1] ? __pfx_clockevents_program_event+0x10/0x10 [ 13.210112][ T1] ? do_raw_spin_unlock+0xf5/0x200 [ 13.210112][ T1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.210112][ T1] ? lockdep_hardirqs_on+0x7b/0x110 [ 13.210112][ T1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.310117][ T1] ? next_arg+0x4a0/0x5e0 [ 13.310117][ T1] ? skip_spaces+0x8a/0xa0 [ 13.310117][ T1] ? parse_args+0xa96/0xbb0 [ 13.310117][ T1] ? __pfx_parse_args+0x10/0x10 [ 13.310117][ T1] ? rcu_is_watching+0x16/0xb0 [ 13.310117][ T1] do_initcall_level+0x10a/0x1a0 [ 13.310117][ T1] ? kernel_init+0x22/0x1d0 [ 13.310117][ T1] do_initcalls+0x3e/0x70 [ 13.310117][ T1] kernel_init_freeable+0x29d/0x3e0 [ 13.310117][ T1] ? __pfx_kernel_init+0x10/0x10 [ 13.310117][ T1] kernel_init+0x22/0x1d0 [ 13.410191][ T1] ? __pfx_kernel_init+0x10/0x10 [ 13.410191][ T1] ret_from_fork+0x510/0xb60 [ 13.410191][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 13.410191][ T1] ? __switch_to+0xc56/0x13f0 [ 13.410191][ T1] ? __pfx_kernel_init+0x10/0x10 [ 13.410191][ T1] ret_from_fork_asm+0x1a/0x30 [ 13.410191][ T1] [ 13.410191][ T1] Kernel Offset: disabled [ 13.410191][ 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-build1019271410=/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 1e72964b0 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=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" ./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=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" -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=\"1e72964b0111319984575e60f266d1fa0a98abb5\" /usr/bin/ld: /tmp/ccdBcfeo.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