BUG: unable to handle kernel NULL pointer dereference in msix_capability_init Key type cifs.idmap registered ntfs3: Enabled Linux POSIX ACLs support ntfs3: Read-only LZX/Xpress compression included efs: 1.0a - http://aeschi.ch.eu.org/efs/ 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 7.42) orangefs_debugfs_init: called with debug mask: :none: :0: orangefs_init: module version upstream loaded JFS: nTxBlock = 8192, nTxLock = 65536 SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled 9p: Installing v9fs 9p2000 file system support NILFS version 2 loaded befs: version: 0.9.3 ocfs2: Registered cluster interface o2cb ocfs2: Registered cluster interface user OCFS2 User DLM kernel interface loaded gfs2: GFS2 installed ceph: loaded (mds proto 32) NET: Registered PF_ALG protocol family xor: automatically using best checksumming function avx 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 238) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ACPI: button: Power Button [PWRF] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 ACPI: button: Sleep Button [SLPF] ioatdma: Intel(R) QuickData Technology Driver 5.00 ACPI: \_SB_.LNKC: Enabled at IRQ 11 virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver ACPI: \_SB_.LNKD: Enabled at IRQ 10 virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver ACPI: \_SB_.LNKB: Enabled at IRQ 10 virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver N_HDLC line discipline registered with maxframe=4096 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP PTI CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.14.0-syzkaller-02121-g47618bc87540-dirty #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:msix_setup_msi_descs drivers/pci/msi/msi.c:639 [inline] RIP: 0010:__msix_setup_interrupts drivers/pci/msi/msi.c:672 [inline] RIP: 0010:msix_setup_interrupts drivers/pci/msi/msi.c:701 [inline] RIP: 0010:msix_capability_init+0x95c/0x18c0 drivers/pci/msi/msi.c:743 Code: ff ff ff 48 89 9d 60 fe ff ff 48 89 9d 08 ff ff ff 48 83 bd 30 ff ff ff 00 4c 8b 75 c8 0f 85 1d 02 00 00 48 8b bd 58 ff ff ff <44> 8b 27 b8 00 00 40 00 41 21 c4 e8 a4 a8 ad fb 8b 18 44 8b 3a 41 RSP: 0000:ffff888100652fb0 EFLAGS: 00010246 RAX: ffff8880bba53080 RBX: ffffc90000b3f008 RCX: 0000000100253080 RDX: ffff888100253080 RSI: ffff88813fffacc0 RDI: 0000000000000000 RBP: ffff888100653178 R08: ffffea000000000f R09: 0000000000000000 R10: ffff8880bba53020 R11: 00000000abcd0100 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888100618b58 R15: 000000000000000b FS: 0000000000000000(0000) GS:ffff8881ab1b0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000011a80000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __pci_enable_msix_range+0xad9/0xc40 drivers/pci/msi/msi.c:851 pci_alloc_irq_vectors_affinity+0x111/0x3a0 drivers/pci/msi/api.c:268 vp_request_msix_vectors drivers/virtio/virtio_pci_common.c:160 [inline] vp_find_vqs_msix+0x84d/0x1560 drivers/virtio/virtio_pci_common.c:417 vp_find_vqs+0x6c/0xa80 drivers/virtio/virtio_pci_common.c:525 virtio_find_vqs include/linux/virtio_config.h:226 [inline] virtio_find_single_vq include/linux/virtio_config.h:237 [inline] probe_common+0x3b4/0x970 drivers/char/hw_random/virtio-rng.c:155 virtrng_probe+0x2d/0x40 drivers/char/hw_random/virtio-rng.c:193 virtio_dev_probe+0x1640/0x19a0 drivers/virtio/virtio.c:341 really_probe+0x4dc/0xd90 drivers/base/dd.c:658 __driver_probe_device+0x2ab/0x5d0 drivers/base/dd.c:800 driver_probe_device+0x72/0x890 drivers/base/dd.c:830 __driver_attach+0x7ea/0xb50 drivers/base/dd.c:1216 bus_for_each_dev+0x350/0x540 drivers/base/bus.c:370 driver_attach+0x51/0x70 drivers/base/dd.c:1234 bus_add_driver+0x74c/0xdb0 drivers/base/bus.c:678 driver_register+0x3fb/0x660 drivers/base/driver.c:249 __register_virtio_driver+0xf1/0x120 drivers/virtio/virtio.c:415 virtio_rng_driver_init+0x2e/0x40 drivers/char/hw_random/virtio-rng.c:256 do_one_initcall+0x228/0xbf0 init/main.c:1257 do_initcall_level+0x140/0x350 init/main.c:1319 do_initcalls+0x1a6/0x2f0 init/main.c:1335 do_basic_setup+0x22/0x30 init/main.c:1354 kernel_init_freeable+0x306/0x4c0 init/main.c:1567 kernel_init+0x2f/0x800 init/main.c:1457 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 RIP: 1f0f:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 841f0f2e66 ORIG_RAX: 1f0f2e6600000000 RAX: 0000000000000000 RBX: 1f0f2e6600000000 RCX: 2e66000000000084 RDX: 0000000000841f0f RSI: 000000841f0f2e66 RDI: 00841f0f2e660000 RBP: 00841f0f2e660000 R08: 00841f0f2e660000 R09: 000000841f0f2e66 R10: 0000000000841f0f R11: 2e66000000000084 R12: 000000841f0f2e66 R13: 0000000000841f0f R14: 2e66000000000084 R15: 1f0f2e6600000000 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:msix_setup_msi_descs drivers/pci/msi/msi.c:639 [inline] RIP: 0010:__msix_setup_interrupts drivers/pci/msi/msi.c:672 [inline] RIP: 0010:msix_setup_interrupts drivers/pci/msi/msi.c:701 [inline] RIP: 0010:msix_capability_init+0x95c/0x18c0 drivers/pci/msi/msi.c:743 Code: ff ff ff 48 89 9d 60 fe ff ff 48 89 9d 08 ff ff ff 48 83 bd 30 ff ff ff 00 4c 8b 75 c8 0f 85 1d 02 00 00 48 8b bd 58 ff ff ff <44> 8b 27 b8 00 00 40 00 41 21 c4 e8 a4 a8 ad fb 8b 18 44 8b 3a 41 RSP: 0000:ffff888100652fb0 EFLAGS: 00010246 RAX: ffff8880bba53080 RBX: ffffc90000b3f008 RCX: 0000000100253080 RDX: ffff888100253080 RSI: ffff88813fffacc0 RDI: 0000000000000000 RBP: ffff888100653178 R08: ffffea000000000f R09: 0000000000000000 R10: ffff8880bba53020 R11: 00000000abcd0100 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888100618b58 R15: 000000000000000b FS: 0000000000000000(0000) GS:ffff8881ab1b0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000011a80000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 48 89 9d 60 fe ff ff mov %rbx,-0x1a0(%rbp) 7: 48 89 9d 08 ff ff ff mov %rbx,-0xf8(%rbp) e: 48 83 bd 30 ff ff ff cmpq $0x0,-0xd0(%rbp) 15: 00 16: 4c 8b 75 c8 mov -0x38(%rbp),%r14 1a: 0f 85 1d 02 00 00 jne 0x23d 20: 48 8b bd 58 ff ff ff mov -0xa8(%rbp),%rdi * 27: 44 8b 27 mov (%rdi),%r12d <-- trapping instruction 2a: b8 00 00 40 00 mov $0x400000,%eax 2f: 41 21 c4 and %eax,%r12d 32: e8 a4 a8 ad fb call 0xfbada8db 37: 8b 18 mov (%rax),%ebx 39: 44 8b 3a mov (%rdx),%r15d 3c: 41 rex.B 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@10.128.0.189" "pwd"]: exit status 255 ssh: connect to host 10.128.0.189 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 ee6e2ee3-62a1-1e1b-9da6-871c6e7e270f 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 0x000f27f0: 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 6.14.0-syzkaller-02121-g47618bc87540-dirty (syzkaller@syzkaller) (Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable [ 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] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 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] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000004][ T0] kvm-clock: using sched offset of 6177666756 cycles [ 0.000852][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004503][ T0] tsc: Detected 2200.214 MHz processor [ 0.014011][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.015314][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.016617][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.017846][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.026376][ T0] found SMP MP-table at [mem 0x000f2ab0-0x000f2abf] [ 0.027802][ T0] Using GB pages for direct mapping [ 0.032481][ T0] ACPI: Early table checksum verification disabled [ 0.033984][ T0] ACPI: RSDP 0x00000000000F2830 000014 (v00 Google) [ 0.034901][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.036653][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.038399][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.039729][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.040585][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.041411][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.042824][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.044180][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.045665][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.047308][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.048795][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.049909][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.051348][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.052513][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.053704][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.054918][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.056134][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.057403][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.058355][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.059650][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.060653][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff] [ 0.062347][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff] [ 0.063863][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB) [ 0.064975][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB) [ 0.066959][ T0] NODE_DATA(0) allocated [mem 0x13fffbac0-0x140000fff] [ 0.068892][ T0] NODE_DATA(1) allocated [mem 0x23fff7ac0-0x23fffcfff] [ 0.091195][ T0] Zone ranges: [ 0.091711][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.092707][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.093687][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.094804][ T0] Device empty [ 0.095332][ T0] Movable zone start for each node [ 0.096023][ T0] Early memory node ranges [ 0.096717][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.097714][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.098878][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff] [ 0.099897][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff] [ 0.100859][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff] [ 0.101935][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff] [ 0.103433][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.104731][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.204096][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.304026][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.304964][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.306149][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.307256][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.308317][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.309372][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.310487][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.311559][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.312655][ T0] CPU topo: Max. logical packages: 1 [ 0.313647][ T0] CPU topo: Max. logical dies: 1 [ 0.314504][ T0] CPU topo: Max. dies per package: 1 [ 0.315588][ T0] CPU topo: Max. threads per core: 2 [ 0.316437][ T0] CPU topo: Num. cores per package: 1 [ 0.317217][ T0] CPU topo: Num. threads per package: 2 [ 0.318116][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.319252][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.320410][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.321612][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x0serialport: Connected to syzkaller.us-central1-c.ci-upstream-kmsan-gce-root-test-job-parallel-1 port 1 (session ID: cd7984af9517eea827910eefe0bdf4b488f09340a788974e1c68b48dc9d2e8d7, active connections: 1). 00effff] [ 0.322836][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.324092][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.325303][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.326517][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.327705][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.328865][ T0] Booting paravirtualized kernel on KVM [ 0.329680][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.331315][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.333417][ T0] percpu: Embedded 173 pages/cpu s670664 r8192 d29752 u1048576 [ 0.334822][ 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 kmsan.panic=1 [ 0.350212][ T0] Unknown kernel command line parameters "page_owner=on spec_store_bypass_disable=prctl watchdog_thresh=55 nbds_max=32 BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.365817][ T0] random: crng init done [ 0.366468][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.368096][ T0] Fallback order for Node 0: 0 1 [ 0.368117][ T0] Fallback order for Node 1: 1 0 [ 0.368135][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.370579][ T0] Policy zone: Normal [ 0.371247][ T0] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.671207][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.672739][ T0] stackdepot hash table entries: 524288 (order: 11, 8388608 bytes, linear) [ 0.676508][ T0] software IO TLB: area num 2. [ 0.763838][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 0.765459][ T0] Kernel/User page tables isolation: enabled [ 0.766777][ T0] Starting KernelMemorySanitizer [ 0.767464][ T0] ATTENTION: KMSAN is a debugging tool! Do not use it on production machines! [ 0.805024][ T0] Dynamic Preempt: none [ 0.808450][ T0] rcu: Preemptible hierarchical RCU implementation. [ 0.809496][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.810736][ T0] All grace periods are expedited (rcu_expedited). [ 0.811774][ T0] Trampoline variant of Tasks RCU enabled. [ 0.812820][ T0] Tracing variant of Tasks RCU enabled. [ 0.813625][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.814862][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.816471][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 0.817912][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.149217][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.153658][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.157064][ T0] Console: colour VGA+ 80x25 [ 1.158023][ T0] printk: legacy console [ttyS0] enabled [ 1.158023][ T0] printk: legacy console [ttyS0] enabled [ 1.159887][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.159887][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.162529][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.165092][ T0] ACPI: Core revision 20240827 [ 1.167271][ T0] APIC: Switch to symmetric I/O mode setup [ 1.174461][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.176702][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6fcd5f2d, max_idle_ns: 440795232554 ns [ 1.178882][ T0] Calibrating delay loop (skipped) preset value.. 4400.42 BogoMIPS (lpj=22002140) [ 1.181572][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.182796][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 1.184001][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.185561][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.188919][ T0] Spectre V2 : Mitigation: IBRS [ 1.189989][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.191632][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.192938][ T0] RETBleed: Mitigation: IBRS [ 1.193775][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.195110][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.196511][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.198371][ T0] MDS: Mitigation: Clear CPU buffers [ 1.198893][ T0] TAA: Mitigation: Clear CPU buffers [ 1.199699][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.201653][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.203185][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.204456][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.205669][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.206871][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.812393][ T0] Freeing SMP alternatives memory: 144K [ 2.813331][ T0] pid_max: default: 32768 minimum: 301 [ 2.815631][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,ima,evm [ 2.819188][ T0] landlock: Up and running. [ 2.819937][ T0] Yama: becoming mindful. [ 2.821775][ T0] TOMOYO Linux initialized [ 2.826767][ T0] AppArmor: AppArmor initialized [ 2.840221][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.847862][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.849713][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.851611][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.985283][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.989757][ T1] Performance Events: unsupported CPU family 6 model 79 no PMU driver, software events only. [ 2.992895][ T1] signal: max sigframe size: 1776 [ 2.994916][ T1] rcu: Hierarchical SRCU implementation. [ 2.995906][ T1] rcu: Max phase no-delay instances is 1000. [ 2.999705][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 3.003771][ T1] smp: Bringing up secondary CPUs ... [ 3.008673][ T1] smpboot: x86: Booting SMP configuration: [ 3.008943][ T1] .... node #0, CPUs: #1 [ 3.010990][ 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. [ 3.012243][ 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. [ 3.018900][ 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. [ 3.021643][ T1] smp: Brought up 2 nodes, 2 CPUs [ 3.022465][ T1] smpboot: Total of 2 processors activated (8800.85 BogoMIPS) [ 3.026094][ T1] Memory: 2250444K/8388204K available (251065K kernel code, 11033K rwdata, 19892K rodata, 38676K init, 2972K bss, 1572104K reserved, 0K cma-reserved) [ 3.034897][ T1] devtmpfs: initialized [ 3.040410][ T1] x86/mm: Memory block size: 128MB [ 3.262021][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.262021][ T1] posixtimers hash table entries: 1024 (order: 2, 16384 bytes, vmalloc) [ 3.263087][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, vmalloc) [ 3.274742][ T1] PM: RTC time: 03:48:45, date: 2025-03-26 [ 3.280637][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.364753][ T1] audit: initializing netlink subsys (disabled) [ 3.369356][ T30] audit: type=2000 audit(1742960925.352:1): state=initialized audit_enabled=0 res=1 [ 3.377023][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.377078][ T1] thermal_sys: Registered thermal governor 'user_space' [ 3.379077][ T1] cpuidle: using governor menu [ 3.381751][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.465129][ T1] dca service started, version 1.12.1 [ 3.466550][ T1] PCI: Using configuration type 1 for base access [ 3.571933][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.573220][ T1] HugeTLB: 0 KiB vmemmap can be freed for a 1.00 GiB page [ 3.574603][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.576360][ T1] HugeTLB: 0 KiB vmemmap can be freed for a 2.00 MiB page [ 3.623713][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 3.625162][ T1] raid6: using avx2x2 recovery algorithm [ 3.631587][ T1] ACPI: Added _OSI(Module Device) [ 3.632774][ T1] ACPI: Added _OSI(Processor Device) [ 3.634006][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.635091][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.118481][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.245073][ T1] ACPI: Interpreter enabled [ 4.247506][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 4.248399][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.249861][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.251835][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 4.271568][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.993488][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.995302][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.997457][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 5.001186][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 5.069373][ T1] PCI host bridge to bus 0000:00 [ 5.070497][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 5.073099][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.074824][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.076462][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.078274][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 5.079012][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.081027][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 5.093086][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 5.113772][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 5.121399][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.135455][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 5.148427][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 5.150014][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 5.163649][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 5.175646][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 5.177285][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 5.194133][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 5.207809][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 5.211867][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 5.226826][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 5.236519][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 5.250892][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 5.263203][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 5.264489][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe802000-0xfe80203f] [ 5.390952][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 5.413092][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 5.435304][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 5.457721][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 5.467941][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 5.539049][ T1] iommu: Default domain type: Translated [ 5.540686][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 5.561079][ T1] SCSI subsystem initialized [ 5.568589][ T1] ACPI: bus type USB registered [ 5.570397][ T1] usbcore: registered new interface driver usbfs [ 5.572266][ T1] usbcore: registered new interface driver hub [ 5.574172][ T1] usbcore: registered new device driver usb [ 5.581993][ T1] mc: Linux media interface: v0.10 [ 5.583591][ T1] videodev: Linux video capture interface: v2.00 [ 5.586917][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.588012][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.589305][ T1] PTP clock support registered [ 5.595011][ T1] EDAC MC: Ver: 3.0.0 [ 5.608496][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.638570][ T1] Bluetooth: Core ver 2.22 [ 5.639400][ T1] NET: Registered PF_BLUETOOTH protocol family [ 5.640606][ T1] Bluetooth: HCI device and connection manager initialized [ 5.641953][ T1] Bluetooth: HCI socket layer initialized [ 5.643074][ T1] Bluetooth: L2CAP socket layer initialized [ 5.644350][ T1] Bluetooth: SCO socket layer initialized [ 5.645606][ T1] NET: Registered PF_ATMPVC protocol family [ 5.646726][ T1] NET: Registered PF_ATMSVC protocol family [ 5.649332][ T1] NetLabel: Initializing [ 5.650266][ T1] NetLabel: domain hash size = 128 [ 5.651467][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.656810][ T1] NetLabel: unlabeled traffic allowed by default [ 5.670861][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.675051][ T1] NET: Registered PF_NFC protocol family [ 5.677862][ T1] PCI: Using ACPI for IRQ routing [ 5.681650][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 5.683142][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 5.684358][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 5.686144][ T1] vgaarb: loaded [ 5.910371][ T1] clocksource: Switched to clocksource kvm-clock [ 5.922345][ T1] VFS: Disk quotas dquot_6.6.0 [ 5.923809][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 5.954286][ T1] netfs: FS-Cache loaded [ 5.958630][ T1] CacheFiles: Loaded [ 5.961265][ T1] TOMOYO: 2.6.0 [ 5.961953][ T1] Mandatory Access Control activated. [ 5.974853][ T1] AppArmor: AppArmor Filesystem Enabled [ 5.977953][ T1] pnp: PnP ACPI init [ 6.069975][ T1] pnp: PnP ACPI: found 7 devices [ 6.234413][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.239427][ T1] NET: Registered PF_INET protocol family [ 6.246515][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 6.340001][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, vmalloc) [ 6.345011][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 6.348035][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 6.367458][ T1] TCP bind hash table entries: 65536 (order: 9, 2097152 bytes, vmalloc hugepage) [ 6.414614][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 6.422219][ T1] MPTCP token hash table entries: 8192 (order: 5, 196608 bytes, vmalloc) [ 6.427601][ T1] UDP hash table entries: 4096 (order: 6, 262144 bytes, vmalloc) [ 6.438548][ T1] UDP-Lite hash table entries: 4096 (order: 6, 262144 bytes, vmalloc) [ 6.450522][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 6.461508][ T1] RPC: Registered named UNIX socket transport module. [ 6.462777][ T1] RPC: Registered udp transport module. [ 6.464129][ T1] RPC: Registered tcp transport module. [ 6.465302][ T1] RPC: Registered tcp-with-tls transport module. [ 6.466547][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.503469][ T1] NET: Registered PF_XDP protocol family [ 6.505047][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 6.506580][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 6.508089][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 6.509596][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 6.515905][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.519548][ T1] PCI: CLS 0 bytes, default 64 [ 6.520781][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.522091][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 6.524148][ T1] ACPI: bus type thunderbolt registered [ 6.648922][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 6.655169][ T60] kworker/u8:1 (60) used greatest stack depth: 11832 bytes left [ 6.778216][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 6.779453][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6fcd5f2d, max_idle_ns: 440795232554 ns [ 6.814252][ T1] clocksource: Switched to clocksource tsc [ 6.898864][ T68] kworker/u8:1 (68) used greatest stack depth: 10984 bytes left [ 27.843041][ T1] Initialise system trusted keyrings [ 27.853143][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 27.865718][ T1] DLM installed [ 27.881610][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 27.906244][ T1] NFS: Registering the id_resolver key type [ 27.912497][ T1] Key type id_resolver registered [ 27.917702][ T1] Key type id_legacy registered [ 27.922928][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 27.930818][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 27.966950][ T1] Key type cifs.spnego registered [ 27.972902][ T1] Key type cifs.idmap registered [ 27.985648][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 27.991470][ T1] ntfs3: Read-only LZX/Xpress compression included [ 27.998559][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 28.004842][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 28.010941][ T1] QNX4 filesystem 0.2.3 registered. [ 28.016412][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 28.023812][ T1] fuse: init (API version 7.42) [ 28.035789][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 28.045065][ T1] orangefs_init: module version upstream loaded [ 28.052993][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 28.095903][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 28.122315][ T1] 9p: Installing v9fs 9p2000 file system support [ 28.129727][ T1] NILFS version 2 loaded [ 28.134211][ T1] befs: version: 0.9.3 [ 28.139346][ T1] ocfs2: Registered cluster interface o2cb [ 28.147012][ T1] ocfs2: Registered cluster interface user [ 28.154336][ T1] OCFS2 User DLM kernel interface loaded [ 28.174523][ T1] gfs2: GFS2 installed [ 28.217219][ T1] ceph: loaded (mds proto 32) [ 32.287427][ T1] NET: Registered PF_ALG protocol family [ 32.293437][ T1] xor: automatically using best checksumming function avx [ 32.301591][ T1] async_tx: api initialized (async) [ 32.307143][ T1] Key type asymmetric registered [ 32.312168][ T1] Asymmetric key parser 'x509' registered [ 32.318053][ T1] Asymmetric key parser 'pkcs8' registered [ 32.324128][ T1] Key type pkcs7_test registered [ 32.329936][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 238) [ 32.340417][ T1] io scheduler mq-deadline registered [ 32.346104][ T1] io scheduler kyber registered [ 32.351472][ T1] io scheduler bfq registered [ 32.369070][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 32.384877][ T143] kworker/u8:5 (143) used greatest stack depth: 10624 bytes left [ 32.394209][ T1] ACPI: button: Power Button [PWRF] [ 32.401799][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 32.412805][ T1] ACPI: button: Sleep Button [SLPF] [ 32.442696][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 32.530523][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 32.537013][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 32.608277][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 32.614144][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 32.687397][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 32.693107][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 32.750147][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 33.886156][ T1] N_HDLC line discipline registered with maxframe=4096 [ 33.893302][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 33.907129][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 33.940503][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 33.968684][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 34.000032][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 34.046989][ T1] Non-volatile memory driver v1.3 [ 34.058253][ T1] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 34.064179][ T1] #PF: supervisor read access in kernel mode [ 34.064179][ T1] #PF: error_code(0x0000) - not-present page [ 34.064179][ T1] PGD 0 P4D 0 [ 34.064179][ T1] Oops: Oops: 0000 [#1] SMP PTI [ 34.064179][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.14.0-syzkaller-02121-g47618bc87540-dirty #0 PREEMPT(undef) [ 34.064179][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 34.064179][ T1] RIP: 0010:msix_capability_init+0x95c/0x18c0 [ 34.064179][ T1] Code: ff ff ff 48 89 9d 60 fe ff ff 48 89 9d 08 ff ff ff 48 83 bd 30 ff ff ff 00 4c 8b 75 c8 0f 85 1d 02 00 00 48 8b bd 58 ff ff ff <44> 8b 27 b8 00 00 40 00 41 21 c4 e8 a4 a8 ad fb 8b 18 44 8b 3a 41 [ 34.064179][ T1] RSP: 0000:ffff888100652fb0 EFLAGS: 00010246 [ 34.064179][ T1] RAX: ffff8880bba53080 RBX: ffffc90000b3f008 RCX: 0000000100253080 [ 34.064179][ T1] RDX: ffff888100253080 RSI: ffff88813fffacc0 RDI: 0000000000000000 [ 34.154103][ T1] RBP: ffff888100653178 R08: ffffea000000000f R09: 0000000000000000 [ 34.163818][ T1] R10: ffff8880bba53020 R11: 00000000abcd0100 R12: 0000000000000000 [ 34.163818][ T1] R13: 0000000000000000 R14: ffff888100618b58 R15: 000000000000000b [ 34.174052][ T1] FS: 0000000000000000(0000) GS:ffff8881ab1b0000(0000) knlGS:0000000000000000 [ 34.183803][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.194108][ T1] CR2: 0000000000000000 CR3: 0000000011a80000 CR4: 00000000003526f0 [ 34.204163][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.204163][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.214091][ T1] Call Trace: [ 34.223810][ T1] [ 34.223810][ T1] ? show_trace_log_lvl+0x268/0x3d0 [ 34.223810][ T1] ? __pci_enable_msix_range+0xad9/0xc40 [ 34.234036][ T1] ? __die_body+0xce/0x1a0 [ 34.243791][ T1] ? __die+0x20f/0x270 [ 34.243791][ T1] ? page_fault_oops+0xe58/0xfb0 [ 34.243791][ T1] ? exc_page_fault+0x56c/0x700 [ 34.254065][ T1] ? asm_exc_page_fault+0x2b/0x30 [ 34.263795][ T1] ? msix_capability_init+0x95c/0x18c0 [ 34.263795][ T1] __pci_enable_msix_range+0xad9/0xc40 [ 34.274033][ T1] ? kmsan_get_metadata+0x13e/0x1c0 [ 34.274033][ T1] ? kmsan_internal_set_shadow_origin+0x6c/0x100 [ 34.283801][ T1] pci_alloc_irq_vectors_affinity+0x111/0x3a0 [ 34.283801][ T1] vp_find_vqs_msix+0x84d/0x1560 [ 34.294061][ T1] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 34.303794][ T1] vp_find_vqs+0x6c/0xa80 [ 34.303794][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 34.314061][ T1] ? __pfx_vp_find_vqs+0x10/0x10 [ 34.314061][ T1] probe_common+0x3b4/0x970 [ 34.323800][ T1] ? __pfx_random_recv_done+0x10/0x10 [ 34.323800][ T1] ? kmsan_get_metadata+0x13e/0x1c0 [ 34.334052][ T1] virtrng_probe+0x2d/0x40 [ 34.334052][ T1] ? __pfx_virtrng_probe+0x10/0x10 [ 34.343812][ T1] virtio_dev_probe+0x1640/0x19a0 [ 34.343812][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 34.354059][ T1] really_probe+0x4dc/0xd90 [ 34.354059][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 34.363809][ T1] __driver_probe_device+0x2ab/0x5d0 [ 34.363809][ T1] driver_probe_device+0x72/0x890 [ 34.374045][ T1] __driver_attach+0x7ea/0xb50 [ 34.374045][ T1] bus_for_each_dev+0x350/0x540 [ 34.383800][ T1] ? __pfx___driver_attach+0x10/0x10 [ 34.383800][ T1] driver_attach+0x51/0x70 [ 34.394042][ T1] bus_add_driver+0x74c/0xdb0 [ 34.394042][ T1] driver_register+0x3fb/0x660 [ 34.403848][ T1] __register_virtio_driver+0xf1/0x120 [ 34.403848][ T1] ? __pfx_virtio_rng_driver_init+0x10/0x10 [ 34.414084][ T1] virtio_rng_driver_init+0x2e/0x40 [ 34.423821][ T1] do_one_initcall+0x228/0xbf0 [ 34.423821][ T1] ? irqentry_enter+0x37/0x60 [ 34.423821][ T1] ? __pfx_virtio_rng_driver_init+0x10/0x10 [ 34.434066][ T1] ? sysvec_call_function_single+0x30/0x90 [ 34.443805][ T1] ? kmsan_get_metadata+0x13e/0x1c0 [ 34.443805][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 34.454049][ T1] ? kmsan_get_metadata+0x13e/0x1c0 [ 34.454049][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 34.463811][ T1] ? kmsan_get_metadata+0x13e/0x1c0 [ 34.474047][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 34.474047][ T1] ? parameq+0x43a/0x470 [ 34.483822][ T1] ? kmsan_get_metadata+0x13e/0x1c0 [ 34.483822][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 34.494069][ T1] ? parse_args+0xfde/0x10a0 [ 34.494069][ T1] ? kmsan_get_metadata+0x13e/0x1c0 [ 34.504050][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 34.504050][ T1] ? __pfx_virtio_rng_driver_init+0x10/0x10 [ 34.514205][ T1] do_initcall_level+0x140/0x350 [ 34.514205][ T1] do_initcalls+0x1a6/0x2f0 [ 34.523815][ T1] ? __pfx_native_smp_prepare_cpus+0x10/0x10 [ 34.534049][ T1] do_basic_setup+0x22/0x30 [ 34.534049][ T1] kernel_init_freeable+0x306/0x4c0 [ 34.543806][ T1] ? __pfx_kernel_init+0x10/0x10 [ 34.543806][ T1] kernel_init+0x2f/0x800 [ 34.543806][ T1] ? __pfx_kernel_init+0x10/0x10 [ 34.554058][ T1] ret_from_fork+0x6d/0x90 [ 34.554058][ T1] ? __pfx_kernel_init+0x10/0x10 [ 34.563806][ T1] ret_from_fork_asm+0x1a/0x30 [ 34.563806][ T1] RIP: 1f0f:0x0 [ 34.574053][ T1] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 34.583818][ T1] RSP: 0000:0000000000000000 EFLAGS: 841f0f2e66 ORIG_RAX: 1f0f2e6600000000 [ 34.583818][ T1] RAX: 0000000000000000 RBX: 1f0f2e6600000000 RCX: 2e66000000000084 [ 34.594051][ T1] RDX: 0000000000841f0f RSI: 000000841f0f2e66 RDI: 00841f0f2e660000 [ 34.603793][ T1] RBP: 00841f0f2e660000 R08: 00841f0f2e660000 R09: 000000841f0f2e66 [ 34.614068][ T1] R10: 0000000000841f0f R11: 2e66000000000084 R12: 000000841f0f2e66 [ 34.623858][ T1] R13: 0000000000841f0f R14: 2e66000000000084 R15: 1f0f2e6600000000 [ 34.623858][ T1] [ 34.634075][ T1] Modules linked in: [ 34.634075][ T1] CR2: 0000000000000000 [ 34.643831][ T1] ---[ end trace 0000000000000000 ]--- [ 34.643831][ T1] RIP: 0010:msix_capability_init+0x95c/0x18c0 [ 34.654061][ T1] Code: ff ff ff 48 89 9d 60 fe ff ff 48 89 9d 08 ff ff ff 48 83 bd 30 ff ff ff 00 4c 8b 75 c8 0f 85 1d 02 00 00 48 8b bd 58 ff ff ff <44> 8b 27 b8 00 00 40 00 41 21 c4 e8 a4 a8 ad fb 8b 18 44 8b 3a 41 [ 34.674030][ T1] RSP: 0000:ffff888100652fb0 EFLAGS: 00010246 [ 34.674030][ T1] RAX: ffff8880bba53080 RBX: ffffc90000b3f008 RCX: 0000000100253080 [ 34.683804][ T1] RDX: ffff888100253080 RSI: ffff88813fffacc0 RDI: 0000000000000000 [ 34.694025][ T1] RBP: ffff888100653178 R08: ffffea000000000f R09: 0000000000000000 [ 34.703790][ T1] R10: ffff8880bba53020 R11: 00000000abcd0100 R12: 0000000000000000 [ 34.714060][ T1] R13: 0000000000000000 R14: ffff888100618b58 R15: 000000000000000b [ 34.714060][ T1] FS: 0000000000000000(0000) GS:ffff8881ab1b0000(0000) knlGS:0000000000000000 [ 34.723810][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.734134][ T1] CR2: 0000000000000000 CR3: 0000000011a80000 CR4: 00000000003526f0 [ 34.743873][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.754117][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.754117][ T1] Kernel panic - not syncing: Fatal exception [ 34.763814][ T1] Kernel Offset: disabled [ 34.763814][ T1] Rebooting in 86400 seconds.. syzkaller build log: go env (err=) GO111MODULE='auto' GOARCH='amd64' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' 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='/syzkaller/jobs-2/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.6.linux-amd64' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/syzkaller/jobs-2/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.6.linux-amd64/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.23.6' GODEBUG='' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1935357533=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at 22a6c2b175 nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=22a6c2b1752ef57d8d612e233d35f6be8c3bf7df -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250318-101307'" -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=\"22a6c2b1752ef57d8d612e233d35f6be8c3bf7df\" /usr/bin/ld: /tmp/cct9rqIk.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking