WARNING in drm_mode_config_validate smbdirect: subsystem loaded Key type cifs.spnego registered Key type cifs.idmap registered ntfs3: Enabled Linux POSIX ACLs support ntfs3: Read-only LZX/Xpress compression included jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. romfs: ROMFS MTD (C) 2007 Red Hat, Inc. QNX4 filesystem 0.2.3 registered. qnx6: QNX6 filesystem 1.0.0 registered. fuse: init (API version 7.45) orangefs_debugfs_init: called with debug mask: :none: :0: orangefs_init: module version upstream loaded JFS: nTxBlock = 8192, nTxLock = 65536 SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled 9p: Installing v9fs 9p2000 file system support NILFS version 2 loaded befs: version: 0.9.3 ocfs2: Registered cluster interface o2cb ocfs2: Registered cluster interface user OCFS2 User DLM kernel interface loaded gfs2: GFS2 installed ceph: loaded (mds proto 32) NET: Registered PF_ALG protocol family async_tx: api initialized (async) Key type asymmetric registered Asymmetric key parser 'x509' registered Asymmetric key parser 'pkcs8' registered Key type pkcs7_test registered Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered raid6: skipped pq benchmark and selected avx2x4 input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 ACPI: button: Power Button [PWRF] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 ACPI: button: Sleep Button [SLPF] ioatdma: Intel(R) QuickData Technology Driver 5.00 N_HDLC line discipline registered with maxframe=4096 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:02: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:04: ttyS2 I/O:0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:05: ttyS3 I/O:0x2e8 (irq = 7, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 usbcore: registered new interface driver xillyusb ACPI: bus type drm_connector registered [drm] Initialized vgem 1.0.0 for vgem on minor 0 ------------[ cut here ]------------ [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup WARNING: drivers/gpu/drm/drm_mode_config.c:873 at validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline], CPU#0: swapper/0/1 WARNING: drivers/gpu/drm/drm_mode_config.c:873 at drm_mode_config_validate+0x1c6d/0x1e60 drivers/gpu/drm/drm_mode_config.c:938, CPU#0: swapper/0/1 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 RIP: 0010:validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline] RIP: 0010:drm_mode_config_validate+0x1cae/0x1e60 drivers/gpu/drm/drm_mode_config.c:938 Code: 0f 85 ae 00 00 00 4d 8d 77 10 8b 6d 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 da 7c b7 fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 b6 21 4b fc 49 bd 00 00 00 00 00 fc ff df RSP: 0000:ffffc90000067810 EFLAGS: 00010246 RAX: 1ffff11004b38e08 RBX: dffffc0000000000 RCX: ffff88801c6add00 RDX: ffff8880256a3f20 RSI: 0000000000000023 RDI: ffffffff8fbad500 RBP: 0000000000000023 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1f5f250 R12: dffffc0000000000 R13: ffffffff8fbad500 R14: ffff8880259c7040 R15: ffff8880259c7030 FS: 0000000000000000(0000) GS:ffff888125c38000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000dfb0000 CR4: 00000000003526f0 Call Trace: drm_dev_register+0x7f/0xd80 drivers/gpu/drm/drm_drv.c:1075 vkms_create+0x40d/0x4f0 drivers/gpu/drm/vkms/vkms_drv.c:208 vkms_init+0x57/0x80 drivers/gpu/drm/vkms/vkms_drv.c:240 do_one_initcall+0x250/0x870 init/main.c:1357 do_initcall_level+0x10a/0x1a0 init/main.c:1419 do_initcalls+0x59/0xa0 init/main.c:1435 kernel_init_freeable+0x29d/0x3e0 init/main.c:1670 kernel_init+0x22/0x1d0 init/main.c:1560 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 0f 85 ae 00 00 00 jne 0xb4 6: 4d 8d 77 10 lea 0x10(%r15),%r14 a: 8b 6d 00 mov 0x0(%rbp),%ebp d: 4c 89 f0 mov %r14,%rax 10: 48 c1 e8 03 shr $0x3,%rax 14: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 18: 74 08 je 0x22 1a: 4c 89 f7 mov %r14,%rdi 1d: e8 da 7c b7 fc call 0xfcb77cfc 22: 49 8b 16 mov (%r14),%rdx 25: 4c 89 ef mov %r13,%rdi 28: 89 ee mov %ebp,%esi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: eb 05 jmp 0x36 31: e8 b6 21 4b fc call 0xfc4b21ec 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@10.128.1.187" "pwd"]: exit status 255 ssh: connect to host 10.128.1.187 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (ECDSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-job-parallel-2 port 1 (session ID: 2b3f9db34ef19047929857605f3f79d352f4e9c99adb4118a0a21778afb7cba0, 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 e758ef56-42d4-f37a-8983-cd929e7d1704 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f25d0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8) #0 SMP PREEMPT_RT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] x86/CPU: Model not found in latest microcode list [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000c0000000-0x00000000fffbbfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] System RAM [ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] Hash pointers mode set to never. [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] APIC: Static calls initialized [ 0.000000][ T0] DMI: SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 [ 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 [ 0.000004][ T0] kvm-clock: using sched offset of 11619724836 cycles [ 0.000012][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000035][ T0] tsc: Detected 2199.998 MHz processor [ 0.003986][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.004034][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.004045][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.004104][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.009165][ T0] found SMP MP-table at [mem 0x000f2890-0x000f289f] [ 0.009193][ T0] Using GB pages for direct mapping [ 0.013000][ T0] ACPI: Early table checksum verification disabled [ 0.013027][ T0] ACPI: RSDP 0x00000000000F2610 000014 (v00 Google) [ 0.013044][ T0] ACPI: RSDT 0x00000000BFFFFFB0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.013066][ T0] ACPI: FACP 0x00000000BFFFF3B0 000114 (v06 Google GOOGFACP 00000001 GOOG 00000001) [ 0.013090][ T0] ACPI: DSDT 0x00000000BFFFD5C0 001DED (v02 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.013108][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.013127][ T0] ACPI: FACS 0x00000000BFFFD580 000040 [ 0.013141][ T0] ACPI: SRAT 0x00000000BFFFFEA0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.013159][ T0] ACPI: APIC 0x00000000BFFFFDF0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.013176][ T0] ACPI: SSDT 0x00000000BFFFF4D0 000914 (v02 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.013194][ T0] ACPI: WAET 0x00000000BFFFFE70 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.013209][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff3b0-0xbffff4c3] [ 0.013217][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd5c0-0xbffff3ac] [ 0.013224][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.013231][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd580-0xbfffd5bf] [ 0.013237][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffea0-0xbfffff67] [ 0.013244][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdf0-0xbffffe65] [ 0.013250][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff4d0-0xbffffde3] [ 0.013257][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe70-0xbffffe97] [ 0.013396][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.013406][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.013414][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.013425][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.013437][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.013460][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.013468][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.013526][ T0] NODE_DATA(0) allocated [mem 0x13fffac80-0x140000fff] [ 0.014301][ T0] NODE_DATA(1) allocated [mem 0x23fff6c80-0x23fffcfff] [ 0.314319][ T0] KernelAddressSanitizer initialized (generic) [ 0.315121][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.315156][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.315294][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.315308][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.315317][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.315325][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.315333][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.315352][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.315362][ T0] CPU topo: Max. logical packages: 1 [ 0.315367][ T0] CPU topo: Max. logical nodes: 1 [ 0.315371][ T0] CPU topo: Num. nodes per package: 1 [ 0.315379][ T0] CPU topo: Max. logical dies: 1 [ 0.315383][ T0] CPU topo: Max. dies per package: 1 [ 0.315394][ T0] CPU topo: Max. threads per core: 2 [ 0.315399][ T0] CPU topo: Num. cores per package: 1 [ 0.315403][ T0] CPU topo: Num. threads per package: 2 [ 0.315407][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.315515][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.315525][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.315533][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff] [ 0.315556][ T0] [gap 0xc0000000-0xfffbbfff] available for PCI devices [ 0.315562][ T0] Booting paravirtualized kernel on KVM [ 0.315573][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.410721][ T0] Zone ranges: [ 0.410731][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.410744][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.410753][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.410761][ T0] Device empty [ 0.410765][ T0] Movable zone start for each node [ 0.410769][ T0] Early memory node ranges [ 0.410772][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.410778][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.410784][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.410791][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.410799][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.410818][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.450928][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.451171][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.515981][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.583970][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.584722][ T0] percpu: Embedded 72 pages/cpu s254024 r8192 d32696 u1048576 [ 0.584906][ T0] kvm-guest: PV spinlocks enabled [ 0.584916][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.584938][ 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 \ [ 0.584968][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.589108][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.589185][ T0] random: crng init done [ 0.589189][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.589397][ T0] software IO TLB: area num 2. [ 0.618156][ T0] Fallback order for Node 0: 0 1 [ 0.618179][ T0] Fallback order for Node 1: 1 0 [ 0.618193][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.618201][ T0] Policy zone: Normal [ 0.618880][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.618892][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.618903][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.623680][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.421125][ T0] ********************************************************** [ 1.421136][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.421140][ T0] ** ** [ 1.421144][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.421147][ T0] ** via the console, logs, and other interfaces. This ** [ 1.421151][ T0] ** might reduce the security of your system. ** [ 1.421155][ T0] ** ** [ 1.421158][ T0] ** If you see this message and you are not debugging ** [ 1.421162][ T0] ** the kernel, report this immediately to your system ** [ 1.421166][ T0] ** administrator! ** [ 1.421169][ T0] ** ** [ 1.421173][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.421177][ T0] ** ** [ 1.421180][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.421184][ T0] ********************************************************** [ 1.424516][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.563867][ T0] allocated 167772160 bytes of page_ext [ 1.563909][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.577976][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages [ 1.582603][ T0] Node 0, zone Normal: page owner found early allocated 130 pages [ 1.594192][ T0] Node 1, zone Normal: page owner found early allocated 19848 pages [ 1.594695][ T0] Kernel/User page tables isolation: enabled [ 1.596994][ T0] Dynamic Preempt: full [ 1.598210][ T0] Running RCU self tests [ 1.598216][ T0] Running RCU synchronous self tests [ 1.598220][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.598224][ T0] rcu: RCU lockdep checking is enabled. [ 1.598227][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.598233][ T0] rcu: RCU priority boosting: priority 1 delay 500 ms. [ 1.598239][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.598243][ T0] rcu: RCU_SOFTIRQ processing moved to rcuc kthreads. [ 1.598247][ T0] rcu: RCU debug extended QS entry/exit. [ 1.598250][ T0] No expedited grace period (rcu_normal_after_boot). [ 1.598254][ T0] Trampoline variant of Tasks RCU enabled. [ 1.598257][ T0] Tracing variant of Tasks RCU enabled. [ 1.598260][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.598266][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.598438][ T0] Running RCU synchronous self tests [ 1.598472][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.789187][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.790347][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.790393][ T0] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.791152][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000 [ 1.793222][ T0] Console: colour VGA+ 80x25 [ 2.497408][ T0] printk: legacy console [ttyS0] enabled [ 2.497430][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.497515][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.497520][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.497524][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.497529][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.497533][ T0] ... CLASSHASH_SIZE: 4096 [ 2.497537][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.497541][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.497546][ T0] ... CHAINHASH_SIZE: 524288 [ 2.497550][ T0] memory used by lock dependency info: 106625 kB [ 2.497554][ T0] memory used for stack traces: 8320 kB [ 2.497559][ T0] per task-struct memory footprint: 1920 bytes [ 2.498040][ T0] ACPI: Core revision 20260408 [ 2.499506][ T0] APIC: Switch to symmetric I/O mode setup [ 2.500273][ T0] x2apic enabled [ 2.510750][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.522993][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.523804][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 2.523889][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 2.524746][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.524754][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 2.524824][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.524846][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.524854][ T0] Spectre V2 : Mitigation: IBRS [ 2.524858][ T0] RETBleed: Mitigation: IBRS [ 2.524862][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.524867][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.524872][ T0] MDS: Mitigation: Clear CPU buffers [ 2.524876][ T0] TAA: Mitigation: Clear CPU buffers [ 2.524880][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.524886][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.524895][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.524934][ T0] Spectre V2 : Enabling IBPB for BPF [ 2.524955][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.525018][ T0] active return thunk: its_return_thunk [ 2.525042][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.525116][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.525127][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.525136][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.525147][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.525160][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.953605][ T0] pid_max: default: 32768 minimum: 301 [ 2.955866][ T0] landlock: Up and running. [ 2.955875][ T0] Yama: becoming mindful. [ 2.956384][ T0] TOMOYO Linux initialized [ 2.959697][ T0] LSM support for eBPF active [ 2.967872][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.971362][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.971881][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.972093][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.975385][ T0] VFS: Finished mounting rootfs on nullfs [ 2.981927][ T0] Running RCU synchronous self tests [ 2.981941][ T0] Running RCU synchronous self tests [ 3.103988][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 3.117776][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 3.117949][ T1] signal: max sigframe size: 1776 [ 3.119993][ T1] rcu: Hierarchical SRCU implementation. [ 3.120002][ T1] rcu: Max phase no-delay instances is 1000. [ 3.333996][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 3.494130][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 3.507547][ T1] smp: Bringing up secondary CPUs ... [ 3.512384][ T1] smpboot: x86: Booting SMP configuration: [ 3.512394][ T1] .... node #0, CPUs: #1 [ 3.523462][ 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. [ 3.523483][ 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. [ 3.523498][ 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. [ 3.523609][ T1] smp: Brought up 2 nodes, 2 CPUs [ 3.523626][ T1] smpboot: Total of 2 processors activated (8799.99 BogoMIPS) [ 3.555565][ T1] Memory: 6472840K/8388204K available (168656K kernel code, 29786K rwdata, 40064K rodata, 25700K init, 121052K bss, 1727380K reserved, 0K cma-reserved) [ 3.557396][ T1] devtmpfs: initialized [ 3.560059][ T1] x86/mm: Memory block size: 128MB [ 3.672428][ T1] Running RCU synchronous self tests [ 3.672502][ T1] Running RCU synchronous self tests [ 3.681020][ T1] Running RCU Tasks wait API self tests [ 3.681020][ T1] Running RCU Tasks Trace wait API self tests [ 3.704478][ T1] posixtimers hash table entries: 1024 (order: 6, 139264 bytes, vmalloc) [ 3.704800][ T1] futex hash table entries: 256 (49152 bytes on 2 NUMA nodes, total 96 KiB, linear). [ 3.708095][ T1] xor: automatically using best checksumming function avx [ 3.715563][ T1] PM: RTC time: 17:04:09, date: 2026-07-18 [ 3.737269][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.751969][ T1] audit: initializing netlink subsys (disabled) [ 3.756798][ T38] audit: type=2000 audit(1784394248.835:1): state=initialized audit_enabled=0 res=1 [ 3.772755][ T11] Callback from call_rcu_tasks_trace() invoked. [ 3.783790][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.784506][ T1] cpuidle: using governor menu [ 3.784506][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.797613][ T1] dca service started, version 1.12.1 [ 3.797966][ T1] PCI: Using configuration type 1 for base access [ 3.852167][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.852187][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.852205][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.852217][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.894645][ T1] raid6: using avx2x2 recovery algorithm [ 3.900472][ T1] ACPI: Added _OSI(Module Device) [ 3.900489][ T1] ACPI: Added _OSI(Processor Device) [ 3.900502][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.225893][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.303362][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 4.362768][ T1] ACPI: Interpreter enabled [ 4.363815][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 4.364081][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.366371][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.366424][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 4.409282][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.913370][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.913514][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.913538][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 4.914243][ T1] acpi PNP0A03:00: _OSC: platform retains control of PCIe features (AE_ERROR) [ 4.916203][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 5.016175][ T1] PCI host bridge to bus 0000:00 [ 5.016793][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.016839][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0x0fff window] [ 5.016882][ T1] pci_bus 0000:00: root bus resource [io 0xc000-0xffff window] [ 5.016923][ T1] pci_bus 0000:00: root bus resource [io 0xa000-0xbfff window] [ 5.016965][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.017007][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 5.017057][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.017835][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 5.023963][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 5.053719][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 5.069949][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.088206][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 5.124120][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 5.124198][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 5.187608][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 5.224010][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 5.224068][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 5.245167][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 5.273899][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 5.275009][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 5.303670][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 5.323950][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 5.341722][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 5.361891][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 5.361951][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 5.454017][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 5.472634][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 5.491878][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 5.510175][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 5.525022][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 5.571951][ T1] iommu: Default domain type: Translated [ 5.571951][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 5.606898][ T1] SCSI subsystem initialized [ 5.610207][ T1] ACPI: bus type USB registered [ 5.611399][ T1] usbcore: registered new interface driver usbfs [ 5.612368][ T1] usbcore: registered new interface driver hub [ 5.612820][ T1] usbcore: registered new device driver usb [ 5.647947][ T1] mc: Linux media interface: v0.10 [ 5.648355][ T1] videodev: Linux video capture interface: v2.00 [ 5.649598][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.649607][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.649782][ T1] PTP clock support registered [ 5.655631][ T1] EDAC MC: Ver: 3.0.0 [ 5.711248][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.748116][ T1] Bluetooth: Core ver 2.22 [ 5.748639][ T1] NET: Registered PF_BLUETOOTH protocol family [ 5.748652][ T1] Bluetooth: HCI device and connection manager initialized [ 5.748816][ T1] Bluetooth: HCI socket layer initialized [ 5.748924][ T1] Bluetooth: L2CAP socket layer initialized [ 5.749152][ T1] Bluetooth: SCO socket layer initialized [ 5.749357][ T1] NET: Registered PF_ATMPVC protocol family [ 5.750081][ T1] NetLabel: Initializing [ 5.750090][ T1] NetLabel: domain hash size = 128 [ 5.750102][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.751079][ T1] NetLabel: unlabeled traffic allowed by default [ 5.816557][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.817344][ T1] NET: Registered PF_NFC protocol family [ 5.817571][ T1] mctp: management component transport protocol core [ 5.817583][ T1] NET: Registered PF_MCTP protocol family [ 5.818265][ T1] PCI: Using ACPI for IRQ routing [ 5.818749][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 5.818895][ T1] e820: register RAM buffer resource [mem 0xbfffd000-0xbfffffff] [ 5.893992][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 5.894019][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 5.894041][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 5.894090][ T1] vgaarb: loaded [ 5.943905][ T1] clocksource: Switched to clocksource kvm-clock [ 5.964803][ T1] VFS: Disk quotas dquot_6.6.0 [ 5.965527][ T1] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 5.989843][ T1] netfs: FS-Cache loaded [ 5.993022][ T1] CacheFiles: Loaded [ 6.004956][ T1] TOMOYO: 2.6.0 [ 6.004970][ T1] Mandatory Access Control activated. [ 6.006556][ T1] pnp: PnP ACPI init [ 6.096602][ T1] pnp: PnP ACPI: found 6 devices [ 6.246761][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.249957][ T1] NET: Registered PF_INET protocol family [ 6.252713][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 6.299785][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 8, 557056 bytes, vmalloc) [ 6.301019][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 6.302446][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 6.359781][ T1] TCP bind hash table entries: 65536 (order: 13, 17825792 bytes, vmalloc hugepage) [ 6.389064][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 6.402324][ T1] MPTCP token hash table entries: 8192 (order: 9, 1245184 bytes, vmalloc) [ 6.417049][ T1] UDP hash table entries: 4096 (order: 9, 1835008 bytes, vmalloc) [ 6.420793][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 6.443603][ T1] RPC: Registered named UNIX socket transport module. [ 6.443631][ T1] RPC: Registered udp transport module. [ 6.443639][ T1] RPC: Registered tcp transport module. [ 6.443653][ T1] RPC: Registered tcp-with-tls transport module. [ 6.443661][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.452980][ T1] NET: Registered PF_XDP protocol family [ 6.453242][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 6.453265][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0x0fff window] [ 6.453280][ T1] pci_bus 0000:00: resource 6 [io 0xc000-0xffff window] [ 6.453300][ T1] pci_bus 0000:00: resource 7 [io 0xa000-0xbfff window] [ 6.453316][ T1] pci_bus 0000:00: resource 8 [mem 0x000a0000-0x000bffff window] [ 6.453332][ T1] pci_bus 0000:00: resource 9 [mem 0xc0000000-0xfebfefff window] [ 6.567454][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.567857][ T1] PCI: CLS 0 bytes, default 64 [ 6.568470][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.568487][ T1] software IO TLB: mapped [mem 0x00000000b4600000-0x00000000b8600000] (64MB) [ 6.571472][ T1] ACPI: bus type thunderbolt registered [ 6.606716][ T68] kworker/u8:3 (68) used greatest stack depth: 27600 bytes left [ 6.641625][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 6.705072][ T1] kvm_amd: CPU 1 isn't AMD or Hygon [ 6.705110][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 6.705841][ T1] clocksource: Switched to clocksource tsc [ 6.755024][ T75] kworker/u8:1 (75) used greatest stack depth: 27072 bytes left [ 6.784267][ T83] kworker/u8:1 (83) used greatest stack depth: 25920 bytes left [ 6.825796][ T1] Initialise system trusted keyrings [ 6.832885][ T1] workingset: timestamp_bits=40 (anon: 35) max_order=21 bucket_order=0 (anon: 0) [ 6.864467][ T1] DLM installed [ 6.874241][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.900162][ T1] NFS: Registering the id_resolver key type [ 6.900370][ T1] Key type id_resolver registered [ 6.900387][ T1] Key type id_legacy registered [ 6.900922][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.901176][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.925789][ T1] smbdirect: subsystem loading... [ 6.959024][ T1] smbdirect: subsystem loaded [ 6.991206][ T1] Key type cifs.spnego registered [ 6.991663][ T1] Key type cifs.idmap registered [ 7.012581][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 7.012595][ T1] ntfs3: Read-only LZX/Xpress compression included [ 7.013153][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 7.022062][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 7.023062][ T1] QNX4 filesystem 0.2.3 registered. [ 7.024227][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 7.028481][ T1] fuse: init (API version 7.45) [ 7.045641][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 7.054861][ T1] orangefs_init: module version upstream loaded [ 7.058692][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 7.100628][ T1] SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled [ 7.129725][ T1] 9p: Installing v9fs 9p2000 file system support [ 7.131081][ T1] NILFS version 2 loaded [ 7.131099][ T1] befs: version: 0.9.3 [ 7.153438][ T1] ocfs2: Registered cluster interface o2cb [ 7.164553][ T1] ocfs2: Registered cluster interface user [ 7.166188][ T1] OCFS2 User DLM kernel interface loaded [ 7.218337][ T1] gfs2: GFS2 installed [ 7.252236][ T1] ceph: loaded (mds proto 32) [ 7.288226][ T1] NET: Registered PF_ALG protocol family [ 7.290075][ T1] async_tx: api initialized (async) [ 7.290154][ T1] Key type asymmetric registered [ 7.290246][ T1] Asymmetric key parser 'x509' registered [ 7.290274][ T1] Asymmetric key parser 'pkcs8' registered [ 7.290291][ T1] Key type pkcs7_test registered [ 7.291191][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 7.339875][ T1] io scheduler mq-deadline registered [ 7.339918][ T1] io scheduler kyber registered [ 7.341734][ T1] io scheduler bfq registered [ 7.358312][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 7.389573][ T153] kworker/u8:5 (153) used greatest stack depth: 25776 bytes left [ 7.435676][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 7.441475][ T1] ACPI: button: Power Button [PWRF] [ 7.460746][ T1] input: Sleep Button as /devices/platform/LNXSLPBN:00/input/input1 [ 7.471580][ T1] ACPI: button: Sleep Button [SLPF] [ 7.532662][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 7.607481][ T11] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 7.607707][ T11] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.696932][ T11] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 7.697080][ T11] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.782626][ T11] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 7.782757][ T11] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 7.839019][ T11] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 8.992555][ T1] N_HDLC line discipline registered with maxframe=4096 [ 9.008563][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.037334][ T1] 00:02: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 9.082509][ T1] 00:03: ttyS1 I/O:0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 9.144334][ T1] 00:04: ttyS2 I/O:0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 9.173481][ T1] 00:05: ttyS3 I/O:0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 9.254676][ T1] Non-volatile memory driver v1.3 [ 9.322912][ T1] usbcore: registered new interface driver xillyusb [ 9.343095][ T1] ACPI: bus type drm_connector registered [ 9.365032][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 9.379912][ T1] ------------[ cut here ]------------ [ 9.379957][ T1] [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup [ 9.380017][ T1] WARNING: drivers/gpu/drm/drm_mode_config.c:873 at drm_mode_config_validate+0x1c6d/0x1e60, CPU#0: swapper/0/1 [ 9.380317][ T1] Modules linked in: [ 9.380509][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 9.380651][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 [ 9.380713][ T1] RIP: 0010:drm_mode_config_validate+0x1cae/0x1e60 [ 9.380793][ 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 da 7c b7 fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 b6 21 4b fc 49 bd 00 00 00 00 00 fc ff df [ 9.380846][ T1] RSP: 0000:ffffc90000067810 EFLAGS: 00010246 [ 9.380900][ T1] RAX: 1ffff11004b38e08 RBX: dffffc0000000000 RCX: ffff88801c6add00 [ 9.380946][ T1] RDX: ffff8880256a3f20 RSI: 0000000000000023 RDI: ffffffff8fbad500 [ 9.380997][ T1] RBP: 0000000000000023 R08: 0000000000000000 R09: 0000000000000000 [ 9.381032][ T1] R10: dffffc0000000000 R11: fffffbfff1f5f250 R12: dffffc0000000000 [ 9.381298][ T1] R13: ffffffff8fbad500 R14: ffff8880259c7040 R15: ffff8880259c7030 [ 9.381351][ T1] FS: 0000000000000000(0000) GS:ffff888125c38000(0000) knlGS:0000000000000000 [ 9.381399][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.381442][ T1] CR2: ffff88823ffff000 CR3: 000000000dfb0000 CR4: 00000000003526f0 [ 9.381496][ T1] Call Trace: [ 9.381520][ T1] [ 9.381578][ T1] ? debugfs_create_file_full+0x3f/0x60 [ 9.381677][ T1] drm_dev_register+0x7f/0xd80 [ 9.381714][ T1] vkms_create+0x40d/0x4f0 [ 9.381748][ T1] ? __pfx_vkms_init+0x10/0x10 [ 9.381851][ T1] vkms_init+0x57/0x80 [ 9.381959][ T1] do_one_initcall+0x250/0x870 [ 9.382058][ T1] ? __pfx_vkms_init+0x10/0x10 [ 9.382157][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 9.382283][ T1] ? __pfx___schedule+0x10/0x10 [ 9.382367][ T1] ? lock_acquire+0x115/0x350 [ 9.382466][ T1] ? ktime_get+0x45/0x220 [ 9.382544][ T1] ? ktime_get+0x45/0x220 [ 9.382596][ T1] ? seqcount_lockdep_reader_access+0xd4/0x100 [ 9.382673][ T1] ? ktime_get+0x1f5/0x220 [ 9.382749][ T1] ? lapic_next_event+0x11/0x20 [ 9.382815][ T1] ? clockevents_program_event+0x491/0x630 [ 9.382913][ T1] ? __pfx_clockevents_program_event+0x10/0x10 [ 9.383044][ T1] ? irqentry_exit+0x218/0x8f0 [ 9.383112][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 9.383152][ T1] ? irqentry_exit+0x218/0x8f0 [ 9.383172][ T1] ? trace_irq_disable+0x3b/0x140 [ 9.383293][ T1] do_initcall_level+0x10a/0x1a0 [ 9.383360][ T1] ? kernel_init+0x22/0x1d0 [ 9.383437][ T1] do_initcalls+0x59/0xa0 [ 9.383606][ T1] kernel_init_freeable+0x29d/0x3e0 [ 9.383689][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.383795][ T1] kernel_init+0x22/0x1d0 [ 9.383869][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.383944][ T1] ret_from_fork+0x514/0xb70 [ 9.384018][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 9.384082][ T1] ? __switch_to+0xc89/0x1420 [ 9.384172][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.384269][ T1] ret_from_fork_asm+0x1a/0x30 [ 9.384370][ T1] [ 9.384398][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 9.384454][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 9.384531][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 [ 9.384567][ T1] Call Trace: [ 9.384584][ T1] [ 9.384598][ T1] vpanic+0x56c/0xa60 [ 9.384636][ T1] ? __pfx__printk+0x10/0x10 [ 9.384717][ T1] ? __pfx_vpanic+0x10/0x10 [ 9.384771][ T1] ? is_bpf_text_address+0x292/0x2b0 [ 9.384850][ T1] ? is_bpf_text_address+0x26/0x2b0 [ 9.384958][ T1] panic+0xc5/0xd0 [ 9.385013][ T1] ? __pfx_panic+0x10/0x10 [ 9.385109][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 9.385185][ T1] __warn+0x315/0x4c0 [ 9.385239][ T1] ? drm_mode_config_validate+0x1c6d/0x1e60 [ 9.385312][ T1] ? drm_mode_config_validate+0x1c6d/0x1e60 [ 9.385377][ T1] __report_bug+0x276/0x570 [ 9.385446][ T1] ? drm_mode_config_validate+0x1c6d/0x1e60 [ 9.385520][ T1] ? __pfx___report_bug+0x10/0x10 [ 9.385601][ T1] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 9.385668][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 9.385735][ T1] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 9.385838][ T1] report_bug_entry+0x19a/0x290 [ 9.385903][ T1] ? drm_mode_config_validate+0x1cae/0x1e60 [ 9.385967][ T1] ? drm_mode_config_validate+0x1cb3/0x1e60 [ 9.386041][ T1] handle_bug+0xce/0x200 [ 9.386128][ T1] exc_invalid_op+0x1a/0x50 [ 9.386205][ T1] asm_exc_invalid_op+0x1a/0x20 [ 9.386261][ T1] RIP: 0010:drm_mode_config_validate+0x1cae/0x1e60 [ 9.386327][ 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 da 7c b7 fc 49 8b 16 4c 89 ef 89 ee <67> 48 0f b9 3a eb 05 e8 b6 21 4b fc 49 bd 00 00 00 00 00 fc ff df [ 9.386381][ T1] RSP: 0000:ffffc90000067810 EFLAGS: 00010246 [ 9.386437][ T1] RAX: 1ffff11004b38e08 RBX: dffffc0000000000 RCX: ffff88801c6add00 [ 9.386483][ T1] RDX: ffff8880256a3f20 RSI: 0000000000000023 RDI: ffffffff8fbad500 [ 9.386527][ T1] RBP: 0000000000000023 R08: 0000000000000000 R09: 0000000000000000 [ 9.386563][ T1] R10: dffffc0000000000 R11: fffffbfff1f5f250 R12: dffffc0000000000 [ 9.386610][ T1] R13: ffffffff8fbad500 R14: ffff8880259c7040 R15: ffff8880259c7030 [ 9.386765][ T1] ? debugfs_create_file_full+0x3f/0x60 [ 9.386852][ T1] drm_dev_register+0x7f/0xd80 [ 9.386960][ T1] vkms_create+0x40d/0x4f0 [ 9.387075][ T1] ? __pfx_vkms_init+0x10/0x10 [ 9.387164][ T1] vkms_init+0x57/0x80 [ 9.387248][ T1] do_one_initcall+0x250/0x870 [ 9.387336][ T1] ? __pfx_vkms_init+0x10/0x10 [ 9.387424][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 9.387542][ T1] ? __pfx___schedule+0x10/0x10 [ 9.387604][ T1] ? lock_acquire+0x115/0x350 [ 9.387708][ T1] ? ktime_get+0x45/0x220 [ 9.387734][ T1] ? ktime_get+0x45/0x220 [ 9.387755][ T1] ? seqcount_lockdep_reader_access+0xd4/0x100 [ 9.387780][ T1] ? ktime_get+0x1f5/0x220 [ 9.387805][ T1] ? lapic_next_event+0x11/0x20 [ 9.387827][ T1] ? clockevents_program_event+0x491/0x630 [ 9.387861][ T1] ? __pfx_clockevents_program_event+0x10/0x10 [ 9.387906][ T1] ? irqentry_exit+0x218/0x8f0 [ 9.387929][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 9.387952][ T1] ? irqentry_exit+0x218/0x8f0 [ 9.387974][ T1] ? trace_irq_disable+0x3b/0x140 [ 9.388020][ T1] do_initcall_level+0x10a/0x1a0 [ 9.388047][ T1] ? kernel_init+0x22/0x1d0 [ 9.388084][ T1] do_initcalls+0x59/0xa0 [ 9.388109][ T1] kernel_init_freeable+0x29d/0x3e0 [ 9.388135][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.388165][ T1] kernel_init+0x22/0x1d0 [ 9.388192][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.388219][ T1] ret_from_fork+0x514/0xb70 [ 9.388244][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 9.388264][ T1] ? __switch_to+0xc89/0x1420 [ 9.388297][ T1] ? __pfx_kernel_init+0x10/0x10 [ 9.388327][ T1] ret_from_fork_asm+0x1a/0x30 [ 9.388364][ T1] [ 9.389083][ T1] Kernel Offset: disabled syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1955259186=/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 ff1712fe92 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=ff1712fe925b6acf5dec3cd7616cf03effc97f62 -X github.com/google/syzkaller/prog.gitRevisionDate=20251009-223438" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=ff1712fe925b6acf5dec3cd7616cf03effc97f62 -X github.com/google/syzkaller/prog.gitRevisionDate=20251009-223438" ./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=ff1712fe925b6acf5dec3cd7616cf03effc97f62 -X github.com/google/syzkaller/prog.gitRevisionDate=20251009-223438" -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=\"ff1712fe925b6acf5dec3cd7616cf03effc97f62\" /usr/bin/ld: /tmp/ccclFczQ.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