WARNING in fb_deferred_io_schedule_flush QNX4 filesystem 0.2.3 registered. qnx6: QNX6 filesystem 1.0.0 registered. fuse: init (API version 7.38) 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, fatal assert, 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 alg: self-tests for CTR-KDF (hmac(sha256)) passed Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered 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] 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 Linux agpgart interface v0.103 ACPI: bus type drm_connector registered [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at drivers/video/fbdev/core/fb_defio.c:340 fb_deferred_io_schedule_flush+0x9f/0xf0 drivers/video/fbdev/core/fb_defio.c:340 Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc6-next-20221123-syzkaller-10069-g736b6d81d93c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:fb_deferred_io_schedule_flush+0x9f/0xf0 drivers/video/fbdev/core/fb_defio.c:340 Code: c1 e8 03 80 3c 30 00 75 38 48 8b 35 03 13 25 0a bf 08 00 00 00 e8 01 e6 01 fd 48 83 c4 10 5b 5d e9 a6 56 30 fd e8 a1 56 30 fd <0f> 0b 48 83 c4 10 5b 5d e9 94 56 30 fd e8 af 77 7e fd e9 7a ff ff RSP: 0000:ffffc900000672d8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801eb25000 RCX: 0000000000000000 RDX: ffff88813fe00000 RSI: ffffffff845074ef RDI: ffff88801eb25418 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff91358a47 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000008 R14: ffff888146722940 R15: 00000000000000d0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000c48e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_fb_helper_damage drivers/gpu/drm/drm_fb_helper.c:602 [inline] drm_fb_helper_sys_imageblit+0x2c9/0x380 drivers/gpu/drm/drm_fb_helper.c:883 drm_fbdev_fb_imageblit+0x17d/0x260 drivers/gpu/drm/drm_fbdev_generic.c:157 soft_cursor+0x514/0xa30 drivers/video/fbdev/core/softcursor.c:74 bit_cursor+0xf13/0x17a0 drivers/video/fbdev/core/bitblit.c:377 fbcon_cursor+0x3e0/0x550 drivers/video/fbdev/core/fbcon.c:1330 hide_cursor+0x85/0x280 drivers/tty/vt/vt.c:907 redraw_screen+0x5b8/0x740 drivers/tty/vt/vt.c:1012 vc_do_resize+0xed6/0x1170 drivers/tty/vt/vt.c:1342 fbcon_init+0x1061/0x1920 drivers/video/fbdev/core/fbcon.c:1125 visual_init+0x326/0x620 drivers/tty/vt/vt.c:1074 do_bind_con_driver.isra.0+0x52f/0x910 drivers/tty/vt/vt.c:3694 do_take_over_console+0x450/0x5c0 drivers/tty/vt/vt.c:4273 do_fbcon_takeover+0xe8/0x210 drivers/video/fbdev/core/fbcon.c:530 do_fb_registered drivers/video/fbdev/core/fbcon.c:3008 [inline] fbcon_fb_registered+0x34a/0x460 drivers/video/fbdev/core/fbcon.c:3028 do_register_framebuffer drivers/video/fbdev/core/fbmem.c:1597 [inline] register_framebuffer+0x6b7/0xb60 drivers/video/fbdev/core/fbmem.c:1703 __drm_fb_helper_initial_config_and_unlock+0xe30/0x13e0 drivers/gpu/drm/drm_fb_helper.c:2117 drm_fb_helper_initial_config drivers/gpu/drm/drm_fb_helper.c:2183 [inline] drm_fb_helper_initial_config+0x4a/0x60 drivers/gpu/drm/drm_fb_helper.c:2175 drm_fbdev_client_hotplug+0x2b4/0x3d0 drivers/gpu/drm/drm_fbdev_generic.c:406 drm_fbdev_generic_setup+0x165/0x440 drivers/gpu/drm/drm_fbdev_generic.c:488 vkms_create drivers/gpu/drm/vkms/vkms_drv.c:208 [inline] vkms_init+0x569/0x5ed drivers/gpu/drm/vkms/vkms_drv.c:233 do_one_initcall+0x141/0x790 init/main.c:1306 do_initcall_level init/main.c:1379 [inline] do_initcalls init/main.c:1395 [inline] do_basic_setup init/main.c:1414 [inline] kernel_init_freeable+0x6f9/0x782 init/main.c:1634 kernel_init+0x1e/0x1d0 init/main.c:1522 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.93" "pwd"]: exit status 255 ssh: connect to host 10.128.1.93 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-job-test-job-0 port 1 (session ID: 5c23c9d2aa7e5a1539d5177d3a06b7e5bd833cef43ed89bb5672bd7c04c168f7, 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 2c1aeb5c-fae9-3144-b3e6-f8e1a393cc31 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 0x000f2450: 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 6.1.0-rc6-next-20221123-syzkaller-10069-g736b6d81d93c (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] signal: max sigframe size: 1776 [ 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: 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] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000008][ T0] kvm-clock: using sched offset of 4256301200 cycles [ 0.000829][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003401][ T0] tsc: Detected 2200.158 MHz processor [ 0.008616][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.009670][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.010967][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.017944][ T0] found SMP MP-table at [mem 0x000f2710-0x000f271f] [ 0.018959][ T0] Using GB pages for direct mapping [ 0.021778][ T0] ACPI: Early table checksum verification disabled [ 0.022719][ T0] ACPI: RSDP 0x00000000000F2490 000014 (v00 Google) [ 0.023653][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.025071][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.026407][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.027719][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.028541][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.029294][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.030704][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.032169][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.033550][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.034779][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.035858][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.036951][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.038020][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.039274][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.040568][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.041653][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.042718][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.044320][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.045049][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.045875][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.046798][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.047797][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.048866][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.050458][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.052148][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.053357][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.054968][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.056453][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.095089][ T0] Zone ranges: [ 0.095771][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.097037][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.098400][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.099451][ T0] Device empty [ 0.100110][ T0] Movable zone start for each node [ 0.100901][ T0] Early memory node ranges [ 0.101630][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.102628][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.103708][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.104831][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.105840][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.107418][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.108978][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.109145][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.149450][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.499036][ T0] kasan: KernelAddressSanitizer initialized [ 0.501827][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.502697][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.503753][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.504784][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.505774][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.506846][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.507884][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.508948][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.509922][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.510886][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.512448][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.513947][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.515329][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.516606][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.518011][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.519213][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.520401][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.521478][ T0] Booting paravirtualized kernel on KVM [ 0.522322][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.592346][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.594388][ T0] percpu: Embedded 70 pages/cpu s249608 r8192 d28920 u1048576 [ 0.595768][ T0] kvm-guest: PV spinlocks enabled [ 0.596447][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.597574][ T0] Fallback order for Node 0: 0 1 [ 0.598391][ T0] Fallback order for Node 1: 1 0 [ 0.599111][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.600173][ T0] Policy zone: Normal [ 0.600771][ 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 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=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=8 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.617484][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.619622][ T0] random: crng init done [ 0.621366][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.624962][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.626500][ T0] software IO TLB: area num 2. [ 1.546997][ T0] Memory: 6814568K/8388204K available (151552K kernel code, 36329K rwdata, 31556K rodata, 2904K init, 35480K bss, 1573380K reserved, 0K cma-reserved) [ 1.551055][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.554835][ T0] Dynamic Preempt: full [ 1.556188][ T0] Running RCU self tests [ 1.556979][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.558306][ T0] rcu: RCU lockdep checking is enabled. [ 1.559857][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.561285][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.562395][ T0] rcu: RCU debug extended QS entry/exit. [ 1.563237][ T0] All grace periods are expedited (rcu_expedited). [ 1.564292][ T0] Trampoline variant of Tasks RCU enabled. [ 1.565204][ T0] Tracing variant of Tasks RCU enabled. [ 1.566009][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.567298][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.611480][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.613318][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.615355][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.618292][ T0] Console: colour VGA+ 80x25 [ 1.619038][ T0] printk: console [ttyS0] enabled [ 1.619038][ T0] printk: console [ttyS0] enabled [ 1.620839][ T0] printk: bootconsole [earlyser0] disabled [ 1.620839][ T0] printk: bootconsole [earlyser0] disabled [ 1.622526][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.624148][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.624835][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.625917][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.626732][ T0] ... CLASSHASH_SIZE: 4096 [ 1.627858][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.628613][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.629396][ T0] ... CHAINHASH_SIZE: 131072 [ 1.630274][ T0] memory used by lock dependency info: 20657 kB [ 1.631511][ T0] memory used for stack traces: 8320 kB [ 1.632532][ T0] per task-struct memory footprint: 1920 bytes [ 1.635410][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.637578][ T0] ACPI: Core revision 20221020 [ 1.639025][ T0] APIC: Switch to symmetric I/O mode setup [ 1.640480][ T0] x2apic enabled [ 1.643731][ T0] Switched APIC routing to physical x2apic. [ 1.650056][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.651712][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6c80a799, max_idle_ns: 440795272342 ns [ 1.653939][ T0] Calibrating delay loop (skipped) preset value.. 4400.31 BogoMIPS (lpj=22001580) [ 1.655231][ T0] pid_max: default: 32768 minimum: 301 [ 1.656308][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,integrity,tomoyo,apparmor,bpf [ 1.658261][ T0] landlock: Up and running. [ 1.663958][ T0] Yama: becoming mindful. [ 1.664738][ T0] TOMOYO Linux initialized [ 1.666099][ T0] AppArmor: AppArmor initialized [ 1.667124][ T0] LSM support for eBPF active [ 1.671710][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.674883][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.676394][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.677610][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.682573][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.683944][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.685156][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.686575][ T0] Spectre V2 : Mitigation: IBRS [ 1.687341][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.688829][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.690352][ T0] RETBleed: Mitigation: IBRS [ 1.691142][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.692545][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.693989][ T0] MDS: Mitigation: Clear CPU buffers [ 1.694927][ T0] TAA: Mitigation: Clear CPU buffers [ 1.695760][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.712015][ T0] Freeing SMP alternatives memory: 116K [ 1.833727][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.833923][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.833923][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.833923][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.833923][ T1] Running RCU-tasks wait API self tests [ 1.934353][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.937142][ T1] rcu: Hierarchical SRCU implementation. [ 1.938235][ T1] rcu: Max phase no-delay instances is 1000. [ 1.944200][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.946166][ T1] smp: Bringing up secondary CPUs ... [ 1.948663][ T1] x86: Booting SMP configuration: [ 1.949390][ T1] .... node #0, CPUs: #1 [ 1.952124][ 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. [ 1.954056][ 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. [ 1.957607][ 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. [ 1.960932][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.961820][ T1] smpboot: Max logical packages: 1 [ 1.962721][ T1] smpboot: Total of 2 processors activated (8800.63 BogoMIPS) [ 1.974013][ T13] Callback from call_rcu_tasks_trace() invoked. [ 2.000315][ T1] allocated 134217728 bytes of page_ext [ 2.001918][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.024028][ T1] Node 0, zone DMA32: page owner found early allocated 18846 pages [ 2.039404][ T1] Node 0, zone Normal: page owner found early allocated 405 pages [ 2.057112][ T1] Node 1, zone Normal: page owner found early allocated 19107 pages [ 2.064519][ T1] devtmpfs: initialized [ 2.066215][ T1] x86/mm: Memory block size: 128MB [ 2.109362][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.110855][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.116839][ T1] PM: RTC time: 00:42:48, date: 2022-11-24 [ 2.124046][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.131730][ T1] audit: initializing netlink subsys (disabled) [ 2.135331][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.135344][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.144011][ T27] audit: type=2000 audit(1669250568.400:1): state=initialized audit_enabled=0 res=1 [ 2.147601][ T1] cpuidle: using governor menu [ 2.147601][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.154164][ T12] Callback from call_rcu_tasks() invoked. [ 2.148389][ T1] PCI: Using configuration type 1 for base access [ 2.155246][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.163989][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.163989][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.163989][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.163989][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.187739][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.194007][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.194007][ T1] raid6: using avx2x2 recovery algorithm [ 2.195419][ T1] ACPI: Added _OSI(Module Device) [ 2.196339][ T1] ACPI: Added _OSI(Processor Device) [ 2.197874][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.199175][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.299755][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.367086][ T1] ACPI: Interpreter enabled [ 2.368695][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.370281][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.372354][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.373989][ T1] PCI: Using E820 reservations for host bridge windows [ 2.379399][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.520240][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.522451][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.523952][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.527277][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.545125][ T1] PCI host bridge to bus 0000:00 [ 2.546499][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.548849][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.550833][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.552809][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.553969][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.556553][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.558762][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.566253][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.592134][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.612545][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.617473][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.627471][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.637933][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.659260][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.668645][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.677372][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.700068][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.713067][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.739814][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.746330][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.756586][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.763953][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 2.785543][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 2.793976][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.800280][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 2.843475][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.849560][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.857317][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.865032][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.869654][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.893992][ T1] iommu: Default domain type: Translated [ 2.895708][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.900549][ T1] SCSI subsystem initialized [ 2.903446][ T1] ACPI: bus type USB registered [ 2.904342][ T1] usbcore: registered new interface driver usbfs [ 2.905968][ T1] usbcore: registered new interface driver hub [ 2.908168][ T1] usbcore: registered new device driver usb [ 2.911304][ T1] mc: Linux media interface: v0.10 [ 2.912689][ T1] videodev: Linux video capture interface: v2.00 [ 2.914757][ T1] pps_core: LinuxPPS API ver. 1 registered [ 2.916247][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.919745][ T1] PTP clock support registered [ 2.922558][ T1] EDAC MC: Ver: 3.0.0 [ 2.928711][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 2.937712][ T1] Bluetooth: Core ver 2.22 [ 2.939631][ T1] NET: Registered PF_BLUETOOTH protocol family [ 2.941971][ T1] Bluetooth: HCI device and connection manager initialized [ 2.944067][ T1] Bluetooth: HCI socket layer initialized [ 2.945531][ T1] Bluetooth: L2CAP socket layer initialized [ 2.947392][ T1] Bluetooth: SCO socket layer initialized [ 2.948780][ T1] NET: Registered PF_ATMPVC protocol family [ 2.951137][ T1] NET: Registered PF_ATMSVC protocol family [ 2.953257][ T1] NetLabel: Initializing [ 2.953967][ T1] NetLabel: domain hash size = 128 [ 2.955298][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.957549][ T1] NetLabel: unlabeled traffic allowed by default [ 2.961679][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 2.964343][ T1] NET: Registered PF_NFC protocol family [ 2.965930][ T1] PCI: Using ACPI for IRQ routing [ 2.968291][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 2.970089][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 2.971851][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 2.973941][ T1] vgaarb: loaded [ 2.983045][ T1] clocksource: Switched to clocksource kvm-clock [ 2.983923][ T1] VFS: Disk quotas dquot_6.6.0 [ 2.983923][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.984814][ T1] FS-Cache: Loaded [ 2.987783][ T1] CacheFiles: Loaded [ 2.989120][ T1] TOMOYO: 2.6.0 [ 2.990086][ T1] Mandatory Access Control activated. [ 2.995346][ T1] AppArmor: AppArmor Filesystem Enabled [ 2.997546][ T1] pnp: PnP ACPI init [ 3.017906][ T1] pnp: PnP ACPI: found 7 devices [ 3.067466][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.071122][ T1] NET: Registered PF_INET protocol family [ 3.077222][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.090999][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 3.094629][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 3.098577][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.110306][ T1] TCP bind hash table entries: 65536 (order: 11, 9437184 bytes, vmalloc hugepage) [ 3.122887][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.130051][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 3.135160][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.140246][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.144055][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.148052][ T1] RPC: Registered named UNIX socket transport module. [ 3.149637][ T1] RPC: Registered udp transport module. [ 3.151352][ T1] RPC: Registered tcp transport module. [ 3.152904][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.159183][ T1] NET: Registered PF_XDP protocol family [ 3.161027][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.162919][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.164983][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.167318][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 3.170134][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.172116][ T1] PCI: CLS 0 bytes, default 64 [ 3.179968][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.181712][ T1] software IO TLB: mapped [mem 0x00000000b5800000-0x00000000b9800000] (64MB) [ 3.183900][ T1] ACPI: bus type thunderbolt registered [ 3.194439][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.196042][ T56] kworker/u4:2 (56) used greatest stack depth: 27888 bytes left [ 3.218927][ T1] kvm: already loaded vendor module 'kvm_intel' [ 3.220863][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6c80a799, max_idle_ns: 440795272342 ns [ 3.225083][ T1] clocksource: Switched to clocksource tsc [ 3.235042][ T63] kworker/u4:2 (63) used greatest stack depth: 27448 bytes left [ 6.718963][ T1] Initialise system trusted keyrings [ 6.721859][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.724055][ T1] zbud: loaded [ 6.729534][ T1] DLM installed [ 6.732491][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.737525][ T1] NFS: Registering the id_resolver key type [ 6.738856][ T1] Key type id_resolver registered [ 6.739826][ T1] Key type id_legacy registered [ 6.740834][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.742217][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.749641][ T1] Key type cifs.spnego registered [ 6.750640][ T1] Key type cifs.idmap registered [ 6.751660][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 6.752556][ T1] ntfs3: Max link count 4000 [ 6.753436][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 6.754464][ T1] ntfs3: Read-only LZX/Xpress compression included [ 6.756036][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 6.757119][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 6.759801][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 6.760945][ T1] QNX4 filesystem 0.2.3 registered. [ 6.762092][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 6.763854][ T1] fuse: init (API version 7.38) [ 6.766833][ T127] kworker/u4:1 (127) used greatest stack depth: 27344 bytes left [ 6.768059][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 6.771524][ T1] orangefs_init: module version upstream loaded [ 6.772969][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.792590][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 6.798335][ T1] 9p: Installing v9fs 9p2000 file system support [ 6.799750][ T1] NILFS version 2 loaded [ 6.800409][ T1] befs: version: 0.9.3 [ 6.801419][ T1] ocfs2: Registered cluster interface o2cb [ 6.802738][ T1] ocfs2: Registered cluster interface user [ 6.804345][ T1] OCFS2 User DLM kernel interface loaded [ 6.813298][ T1] gfs2: GFS2 installed [ 6.820028][ T1] ceph: loaded (mds proto 32) [ 6.831203][ T1] NET: Registered PF_ALG protocol family [ 6.832133][ T1] xor: automatically using best checksumming function avx [ 6.833378][ T1] async_tx: api initialized (async) [ 6.834479][ T1] Key type asymmetric registered [ 6.835189][ T1] Asymmetric key parser 'x509' registered [ 6.836032][ T1] Asymmetric key parser 'pkcs8' registered [ 6.837419][ T1] Key type pkcs7_test registered [ 6.841527][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 6.842776][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 6.845162][ T1] io scheduler mq-deadline registered [ 6.845988][ T1] io scheduler kyber registered [ 6.846877][ T1] io scheduler bfq registered [ 6.864646][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.875016][ T1] ACPI: button: Power Button [PWRF] [ 6.877597][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.880548][ T1] ACPI: button: Sleep Button [SLPF] [ 6.906580][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 6.908151][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.927596][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 6.928539][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 6.946350][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 6.947569][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 6.961529][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.074956][ T319] kworker/u4:1 (319) used greatest stack depth: 27056 bytes left [ 7.436954][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.438942][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.440992][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.448983][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.456953][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.464438][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.484480][ T1] Non-volatile memory driver v1.3 [ 7.498322][ T1] Linux agpgart interface v0.103 [ 7.502975][ T1] ACPI: bus type drm_connector registered [ 7.512344][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.519378][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 7.543919][ T1] ------------[ cut here ]------------ [ 7.545579][ T1] WARNING: CPU: 0 PID: 1 at drivers/video/fbdev/core/fb_defio.c:340 fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.545637][ T1] Modules linked in: [ 7.545653][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc6-next-20221123-syzkaller-10069-g736b6d81d93c #0 [ 7.545678][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 7.545693][ T1] RIP: 0010:fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.545726][ T1] Code: c1 e8 03 80 3c 30 00 75 38 48 8b 35 03 13 25 0a bf 08 00 00 00 e8 01 e6 01 fd 48 83 c4 10 5b 5d e9 a6 56 30 fd e8 a1 56 30 fd <0f> 0b 48 83 c4 10 5b 5d e9 94 56 30 fd e8 af 77 7e fd e9 7a ff ff [ 7.545748][ T1] RSP: 0000:ffffc900000672d8 EFLAGS: 00010293 [ 7.545770][ T1] RAX: 0000000000000000 RBX: ffff88801eb25000 RCX: 0000000000000000 [ 7.545786][ T1] RDX: ffff88813fe00000 RSI: ffffffff845074ef RDI: ffff88801eb25418 [ 7.545803][ T1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff91358a47 [ 7.545819][ T1] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 7.545835][ T1] R13: 0000000000000008 R14: ffff888146722940 R15: 00000000000000d0 [ 7.545851][ T1] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 7.545875][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.545892][ T1] CR2: ffff88823ffff000 CR3: 000000000c48e000 CR4: 00000000003506f0 [ 7.545909][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.545923][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7.545939][ T1] Call Trace: [ 7.545946][ T1] [ 7.545957][ T1] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 7.545994][ T1] drm_fb_helper_sys_imageblit+0x2c9/0x380 [ 7.546033][ T1] drm_fbdev_fb_imageblit+0x17d/0x260 [ 7.546066][ T1] soft_cursor+0x514/0xa30 [ 7.546115][ T1] bit_cursor+0xf13/0x17a0 [ 7.546160][ T1] ? bit_putcs+0xd20/0xd20 [ 7.546199][ T1] ? mark_lock.part.0+0x18d1/0x1910 [ 7.546241][ T1] ? fb_get_color_depth+0x11e/0x240 [ 7.546265][ T1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 7.546291][ T1] ? get_color+0x22a/0x450 [ 7.546311][ T1] ? bit_putcs+0xd20/0xd20 [ 7.546328][ T1] fbcon_cursor+0x3e0/0x550 [ 7.546349][ T1] hide_cursor+0x85/0x280 [ 7.546373][ T1] redraw_screen+0x5b8/0x740 [ 7.546385][ T1] ? slab_free_freelist_hook+0x8b/0x1c0 [ 7.546406][ T1] ? vc_init+0x5a0/0x5a0 [ 7.546419][ T1] ? __kmem_cache_free+0xaf/0x3b0 [ 7.546440][ T1] ? gotoxy+0x1ce/0x490 [ 7.546461][ T1] vc_do_resize+0xed6/0x1170 [ 7.546488][ T1] ? vt_console_print+0xed0/0xed0 [ 7.546511][ T1] fbcon_init+0x1061/0x1920 [ 7.546536][ T1] ? drm_fb_helper_blank+0x260/0x260 [ 7.546557][ T1] visual_init+0x326/0x620 [ 7.546579][ T1] do_bind_con_driver.isra.0+0x52f/0x910 [ 7.546601][ T1] do_take_over_console+0x450/0x5c0 [ 7.546620][ T1] do_fbcon_takeover+0xe8/0x210 [ 7.546640][ T1] fbcon_fb_registered+0x34a/0x460 [ 7.546658][ T1] ? fb_var_to_videomode+0x4c9/0x690 [ 7.546676][ T1] register_framebuffer+0x6b7/0xb60 [ 7.546693][ T1] ? drm_setup_crtcs_fb+0x4d4/0x6f0 [ 7.546710][ T1] ? fb_open+0x430/0x430 [ 7.546735][ T1] __drm_fb_helper_initial_config_and_unlock+0xe30/0x13e0 [ 7.546762][ T1] ? drm_fb_helper_alloc_info+0x260/0x260 [ 7.546781][ T1] ? lockdep_init_map_type+0x21e/0x800 [ 7.546804][ T1] ? lockdep_init_map_type+0x21e/0x800 [ 7.546824][ T1] ? __raw_spin_lock_init+0x3a/0x110 [ 7.546842][ T1] drm_fb_helper_initial_config+0x4a/0x60 [ 7.546861][ T1] drm_fbdev_client_hotplug+0x2b4/0x3d0 [ 7.546879][ T1] drm_fbdev_generic_setup+0x165/0x440 [ 7.546897][ T1] vkms_init+0x569/0x5ed [ 7.546918][ T1] ? vgem_init+0x23d/0x23d [ 7.546935][ T1] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 7.546962][ T1] ? vgem_init+0x23d/0x23d [ 7.546981][ T1] do_one_initcall+0x141/0x790 [ 7.547001][ T1] ? trace_event_raw_event_initcall_level+0x200/0x200 [ 7.547020][ T1] ? parameq+0xa0/0x170 [ 7.547050][ T1] kernel_init_freeable+0x6f9/0x782 [ 7.547073][ T1] ? rest_init+0x270/0x270 [ 7.547088][ T1] kernel_init+0x1e/0x1d0 [ 7.547099][ T1] ? rest_init+0x270/0x270 [ 7.547112][ T1] ret_from_fork+0x1f/0x30 [ 7.547140][ T1] [ 7.547147][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 7.547153][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc6-next-20221123-syzkaller-10069-g736b6d81d93c #0 [ 7.547166][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 7.547173][ T1] Call Trace: [ 7.547177][ T1] [ 7.547181][ T1] dump_stack_lvl+0xd1/0x138 [ 7.547197][ T1] panic+0x2cc/0x626 [ 7.547214][ T1] ? panic_print_sys_info.part.0+0x110/0x110 [ 7.547236][ T1] ? __warn.cold+0x24b/0x350 [ 7.547260][ T1] ? fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.547278][ T1] __warn.cold+0x25c/0x350 [ 7.547293][ T1] ? fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.547311][ T1] report_bug+0x1c0/0x210 [ 7.547326][ T1] handle_bug+0x3c/0x70 [ 7.547342][ T1] exc_invalid_op+0x18/0x50 [ 7.547358][ T1] asm_exc_invalid_op+0x1a/0x20 [ 7.547378][ T1] RIP: 0010:fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.547395][ T1] Code: c1 e8 03 80 3c 30 00 75 38 48 8b 35 03 13 25 0a bf 08 00 00 00 e8 01 e6 01 fd 48 83 c4 10 5b 5d e9 a6 56 30 fd e8 a1 56 30 fd <0f> 0b 48 83 c4 10 5b 5d e9 94 56 30 fd e8 af 77 7e fd e9 7a ff ff [ 7.547407][ T1] RSP: 0000:ffffc900000672d8 EFLAGS: 00010293 [ 7.547417][ T1] RAX: 0000000000000000 RBX: ffff88801eb25000 RCX: 0000000000000000 [ 7.547426][ T1] RDX: ffff88813fe00000 RSI: ffffffff845074ef RDI: ffff88801eb25418 [ 7.547434][ T1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff91358a47 [ 7.547442][ T1] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 7.547450][ T1] R13: 0000000000000008 R14: ffff888146722940 R15: 00000000000000d0 [ 7.547465][ T1] ? fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.547484][ T1] ? fb_deferred_io_schedule_flush+0x9f/0xf0 [ 7.547500][ T1] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 7.547514][ T1] drm_fb_helper_sys_imageblit+0x2c9/0x380 [ 7.547538][ T1] drm_fbdev_fb_imageblit+0x17d/0x260 [ 7.547555][ T1] soft_cursor+0x514/0xa30 [ 7.547580][ T1] bit_cursor+0xf13/0x17a0 [ 7.547603][ T1] ? bit_putcs+0xd20/0xd20 [ 7.547623][ T1] ? mark_lock.part.0+0x18d1/0x1910 [ 7.547645][ T1] ? fb_get_color_depth+0x11e/0x240 [ 7.547657][ T1] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 7.547677][ T1] ? get_color+0x22a/0x450 [ 7.547695][ T1] ? bit_putcs+0xd20/0xd20 [ 7.547710][ T1] fbcon_cursor+0x3e0/0x550 [ 7.547730][ T1] hide_cursor+0x85/0x280 [ 7.547751][ T1] redraw_screen+0x5b8/0x740 [ 7.547762][ T1] ? slab_free_freelist_hook+0x8b/0x1c0 [ 7.547781][ T1] ? vc_init+0x5a0/0x5a0 [ 7.547792][ T1] ? __kmem_cache_free+0xaf/0x3b0 [ 7.547812][ T1] ? gotoxy+0x1ce/0x490 [ 7.547831][ T1] vc_do_resize+0xed6/0x1170 [ 7.547856][ T1] ? vt_console_print+0xed0/0xed0 [ 7.547877][ T1] fbcon_init+0x1061/0x1920 [ 7.547895][ T1] ? drm_fb_helper_blank+0x260/0x260 [ 7.547915][ T1] visual_init+0x326/0x620 [ 7.547935][ T1] do_bind_con_driver.isra.0+0x52f/0x910 [ 7.547955][ T1] do_take_over_console+0x450/0x5c0 [ 7.547973][ T1] do_fbcon_takeover+0xe8/0x210 [ 7.547992][ T1] fbcon_fb_registered+0x34a/0x460 [ 7.548008][ T1] ? fb_var_to_videomode+0x4c9/0x690 [ 7.548025][ T1] register_framebuffer+0x6b7/0xb60 [ 7.548040][ T1] ? drm_setup_crtcs_fb+0x4d4/0x6f0 [ 7.548056][ T1] ? fb_open+0x430/0x430 [ 7.548079][ T1] __drm_fb_helper_initial_config_and_unlock+0xe30/0x13e0 [ 7.548105][ T1] ? drm_fb_helper_alloc_info+0x260/0x260 [ 7.548122][ T1] ? lockdep_init_map_type+0x21e/0x800 [ 7.548144][ T1] ? lockdep_init_map_type+0x21e/0x800 [ 7.548163][ T1] ? __raw_spin_lock_init+0x3a/0x110 [ 7.548180][ T1] drm_fb_helper_initial_config+0x4a/0x60 [ 7.548198][ T1] drm_fbdev_client_hotplug+0x2b4/0x3d0 [ 7.548215][ T1] drm_fbdev_generic_setup+0x165/0x440 [ 7.548231][ T1] vkms_init+0x569/0x5ed [ 7.548249][ T1] ? vgem_init+0x23d/0x23d [ 7.548266][ T1] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 7.548291][ T1] ? vgem_init+0x23d/0x23d [ 7.548308][ T1] do_one_initcall+0x141/0x790 [ 7.548325][ T1] ? trace_event_raw_event_initcall_level+0x200/0x200 [ 7.548344][ T1] ? parameq+0xa0/0x170 [ 7.548371][ T1] kernel_init_freeable+0x6f9/0x782 [ 7.548391][ T1] ? rest_init+0x270/0x270 [ 7.548404][ T1] kernel_init+0x1e/0x1d0 [ 7.548415][ T1] ? rest_init+0x270/0x270 [ 7.548426][ T1] ret_from_fork+0x1f/0x30 [ 7.548452][ T1] [ 7.548691][ T1] Kernel Offset: disabled [ 7.553962][ 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/linux/gopath/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/syzkaller/jobs/linux/gopath" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64" GOVCS="" GOVERSION="go1.17" GCCGO="gccgo" AR="ar" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build1644165826=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at c88578925 nothing to commit, working tree clean go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=c885789257c76ea4479ea36282f5e0a2c7861e26 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220603-183609'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=c885789257c76ea4479ea36282f5e0a2c7861e26 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220603-183609'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=c885789257c76ea4479ea36282f5e0a2c7861e26 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220603-183609'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -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 -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"c885789257c76ea4479ea36282f5e0a2c7861e26\"