general protection fault in add_mtd_device 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 Console: switching to colour frame buffer device 128x48 platform vkms: [drm] fb0: vkmsdrmfb frame buffer device usbcore: registered new interface driver udl brd: module loaded loop: module loaded zram: Added device: zram0 null_blk: disk nullb0 created null_blk: module loaded Guest personality initialized and is inactive VMCI host device registered (name=vmci, major=10, minor=120) Initialized host personality usbcore: registered new interface driver rtsx_usb usbcore: registered new interface driver viperboard usbcore: registered new interface driver dln2 usbcore: registered new interface driver pn533_usb nfcsim 0.2 initialized usbcore: registered new interface driver port100 usbcore: registered new interface driver nfcmrvl Loading iSCSI transport class v2.0-870. scsi host0: Virtio SCSI HBA st: Version 20160209, fixed bufsize 32768, s/g segs 256 Rounding down aligned max_sectors from 4294967295 to 4294967288 db_root: cannot open: /etc/target slram: not enough parameters. general protection fault, probably for non-canonical address 0xdffffc00000000ac: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000560-0x0000000000000567] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-rc8-next-20220727-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:dev_of_node include/linux/device.h:862 [inline] RIP: 0010:mtd_check_of_node drivers/mtd/mtdcore.c:563 [inline] RIP: 0010:add_mtd_device+0xbc8/0x1520 drivers/mtd/mtdcore.c:721 Code: 48 81 fd 60 fe ff ff 0f 84 90 fd ff ff e8 30 69 99 fc 48 8d bd 60 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 da 08 00 00 48 8b ad 60 05 00 00 48 85 ed 0f 84 RSP: 0000:ffffc90000067c98 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88801f9db000 RCX: 0000000000000000 RDX: 00000000000000ac RSI: ffffffff84e299e0 RDI: 0000000000000560 RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000000 R10: ffffffff89e00000 R11: 0000000000000000 R12: ffff88801f9db004 R13: ffff88801f9db028 R14: 0000000000000000 R15: 0000000005a00000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mtd_device_parse_register+0x50c/0x850 drivers/mtd/mtdcore.c:1032 mtdram_init_device+0x291/0x350 drivers/mtd/devices/mtdram.c:146 init_mtdram+0xe5/0x177 drivers/mtd/devices/mtdram.c:171 do_one_initcall+0xfe/0x650 init/main.c:1298 do_initcall_level init/main.c:1373 [inline] do_initcalls init/main.c:1389 [inline] do_basic_setup init/main.c:1408 [inline] kernel_init_freeable+0x6b1/0x73a init/main.c:1615 kernel_init+0x1a/0x1d0 init/main.c:1504 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dev_of_node include/linux/device.h:862 [inline] RIP: 0010:mtd_check_of_node drivers/mtd/mtdcore.c:563 [inline] RIP: 0010:add_mtd_device+0xbc8/0x1520 drivers/mtd/mtdcore.c:721 Code: 48 81 fd 60 fe ff ff 0f 84 90 fd ff ff e8 30 69 99 fc 48 8d bd 60 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 da 08 00 00 48 8b ad 60 05 00 00 48 85 ed 0f 84 RSP: 0000:ffffc90000067c98 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88801f9db000 RCX: 0000000000000000 RDX: 00000000000000ac RSI: ffffffff84e299e0 RDI: 0000000000000560 RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000000 R10: ffffffff89e00000 R11: 0000000000000000 R12: ffff88801f9db004 R13: ffff88801f9db028 R14: 0000000000000000 R15: 0000000005a00000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 81 fd 60 fe ff ff cmp $0xfffffffffffffe60,%rbp 7: 0f 84 90 fd ff ff je 0xfffffd9d d: e8 30 69 99 fc callq 0xfc996942 12: 48 8d bd 60 05 00 00 lea 0x560(%rbp),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 da 08 00 00 jne 0x90e 34: 48 8b ad 60 05 00 00 mov 0x560(%rbp),%rbp 3b: 48 85 ed test %rbp,%rbp 3e: 0f .byte 0xf 3f: 84 .byte 0x84 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@10.128.10.1" "pwd"]: exit status 255 ssh: connect to host 10.128.10.1 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: abf25bd29abaee4cd8bd16c6b9c89527f23b87fa74b19ff9aca25affe9be3865, 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 0x000f2700: 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 5.19.0-rc8-next-20220727-syzkaller (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 06/29/2022 [ 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 3553553929 cycles [ 0.000885][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003872][ T0] tsc: Detected 2200.212 MHz processor [ 0.008994][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010250][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.011798][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.019364][ T0] found SMP MP-table at [mem 0x000f29c0-0x000f29cf] [ 0.020812][ T0] Using GB pages for direct mapping [ 0.023689][ T0] ACPI: Early table checksum verification disabled [ 0.024850][ T0] ACPI: RSDP 0x00000000000F2740 000014 (v00 Google) [ 0.026008][ T0] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.027742][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.029157][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.030555][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.031481][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.032344][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.033921][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.035305][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.036865][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.038652][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.039725][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.040883][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.041986][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.043274][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.044731][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.046575][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.047949][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.049846][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.050801][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.051539][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.052503][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.053730][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.054913][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.056760][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.059193][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.060537][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.062931][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.064636][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.104434][ T0] Zone ranges: [ 0.105256][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.106313][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.107582][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.108628][ T0] Device empty [ 0.109306][ T0] Movable zone start for each node [ 0.110023][ T0] Early memory node ranges [ 0.110639][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.111662][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.112626][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.113685][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.115401][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.117024][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.118198][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.118360][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.156524][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.510514][ T0] kasan: KernelAddressSanitizer initialized [ 0.513092][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.513753][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.514713][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.515967][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.517458][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.518854][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.520023][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.521090][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.522322][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.523544][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.524986][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.526510][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.527771][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.529583][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.530834][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.532276][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.533433][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.534373][ T0] Booting paravirtualized kernel on KVM [ 0.535486][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.606027][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.608109][ T0] percpu: Embedded 69 pages/cpu s243848 r8192 d30584 u1048576 [ 0.609412][ T0] kvm-guest: PV spinlocks enabled [ 0.610133][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.611457][ T0] Fallback order for Node 0: 0 1 [ 0.612430][ T0] Fallback order for Node 1: 1 0 [ 0.613303][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.614349][ T0] Policy zone: Normal [ 0.614938][ 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 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 dummy_hcd.num=8 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.633662][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.636939][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.641296][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.642759][ T0] software IO TLB: area num 2. [ 1.526200][ T0] Memory: 6828212K/8388204K available (143390K kernel code, 34853K rwdata, 30328K rodata, 2728K init, 33936K bss, 1559736K reserved, 0K cma-reserved) [ 1.530144][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.533298][ T0] Dynamic Preempt: full [ 1.534587][ T0] Running RCU self tests [ 1.535294][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.536648][ T0] rcu: RCU lockdep checking is enabled. [ 1.537570][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.538546][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.539534][ T0] rcu: RCU debug extended QS entry/exit. [ 1.540289][ T0] All grace periods are expedited (rcu_expedited). [ 1.541444][ T0] Trampoline variant of Tasks RCU enabled. [ 1.542387][ T0] Tracing variant of Tasks RCU enabled. [ 1.543503][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.544750][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.584618][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.586198][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.587767][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.589310][ T0] random: crng init done [ 1.591014][ T0] Console: colour VGA+ 80x25 [ 1.591682][ T0] printk: console [ttyS0] enabled [ 1.591682][ T0] printk: console [ttyS0] enabled [ 1.593332][ T0] printk: bootconsole [earlyser0] disabled [ 1.593332][ T0] printk: bootconsole [earlyser0] disabled [ 1.595582][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.597285][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.598063][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.599139][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.600035][ T0] ... CLASSHASH_SIZE: 4096 [ 1.600762][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.601790][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.602618][ T0] ... CHAINHASH_SIZE: 131072 [ 1.603594][ T0] memory used by lock dependency info: 20657 kB [ 1.605010][ T0] memory used for stack traces: 8320 kB [ 1.605858][ T0] per task-struct memory footprint: 1920 bytes [ 1.606877][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.608941][ T0] ACPI: Core revision 20220331 [ 1.610335][ T0] APIC: Switch to symmetric I/O mode setup [ 1.616730][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.618207][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6fb5cc36, max_idle_ns: 440795309794 ns [ 1.620045][ T0] Calibrating delay loop (skipped) preset value.. 4400.42 BogoMIPS (lpj=22002120) [ 1.630041][ T0] pid_max: default: 32768 minimum: 301 [ 1.631299][ T0] LSM: Security Framework initializing [ 1.632837][ T0] landlock: Up and running. [ 1.633501][ T0] Yama: becoming mindful. [ 1.634207][ T0] TOMOYO Linux initialized [ 1.635094][ T0] AppArmor: AppArmor initialized [ 1.635802][ T0] LSM support for eBPF active [ 1.641617][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.644823][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.646351][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.647545][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.652388][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.653897][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.654910][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.656279][ T0] Spectre V2 : Mitigation: IBRS [ 1.657310][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.658533][ T0] RETBleed: Mitigation: IBRS [ 1.659479][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.660106][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.661765][ T0] MDS: Mitigation: Clear CPU buffers [ 1.662544][ T0] TAA: Mitigation: Clear CPU buffers [ 1.663343][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.666774][ T0] Freeing SMP alternatives memory: 112K [ 1.789458][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.790030][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.790030][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.790030][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.790030][ T1] Running RCU-tasks wait API self tests [ 1.900312][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.902740][ T1] rcu: Hierarchical SRCU implementation. [ 1.903658][ T1] rcu: Max phase no-delay instances is 1000. [ 1.908441][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.910504][ T1] smp: Bringing up secondary CPUs ... [ 1.913102][ T1] x86: Booting SMP configuration: [ 1.914229][ T1] .... node #0, CPUs: #1 [ 1.916280][ 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. [ 1.916280][ 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. [ 1.920232][ 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. [ 1.923257][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.924799][ T1] smpboot: Max logical packages: 1 [ 1.925760][ T1] smpboot: Total of 2 processors activated (8800.84 BogoMIPS) [ 1.940156][ T13] Callback from call_rcu_tasks_trace() invoked. [ 1.964624][ T1] allocated 134217728 bytes of page_ext [ 1.965752][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.978417][ T1] Node 0, zone DMA32: page owner found early allocated 20095 pages [ 1.992790][ T1] Node 0, zone Normal: page owner found early allocated 228 pages [ 2.000435][ T1] Node 1, zone Normal: page owner found early allocated 18928 pages [ 2.003756][ T1] devtmpfs: initialized [ 2.003756][ T1] x86/mm: Memory block size: 128MB [ 2.050108][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.050108][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.051431][ T1] PM: RTC time: 20:38:38, date: 2022-07-27 [ 2.066889][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.074240][ T1] audit: initializing netlink subsys (disabled) [ 2.082188][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.082202][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.083671][ T1] cpuidle: using governor menu [ 2.085462][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.090273][ T27] audit: type=2000 audit(1658954318.622:1): state=initialized audit_enabled=0 res=1 [ 2.096993][ T1] PCI: Using configuration type 1 for base access [ 2.120819][ T12] Callback from call_rcu_tasks() invoked. [ 2.300124][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.310072][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.310072][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.310072][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.310559][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.330066][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.333443][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.340155][ T1] raid6: using avx2x2 recovery algorithm [ 2.340155][ T1] ACPI: Added _OSI(Module Device) [ 2.340155][ T1] ACPI: Added _OSI(Processor Device) [ 2.340155][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.341470][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.350051][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.350051][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.350051][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.449869][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.545858][ T1] ACPI: Interpreter enabled [ 2.547394][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.548500][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.549989][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.552945][ T1] PCI: Using E820 reservations for host bridge windows [ 2.559246][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.696395][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.698856][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.700056][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.704040][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.722879][ T1] PCI host bridge to bus 0000:00 [ 2.724516][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.725992][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.728455][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.729858][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.730497][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.733203][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.735666][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.744104][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.772225][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.797976][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.803457][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.816433][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.824000][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.843527][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.853789][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.861594][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.881959][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.896802][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.928794][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.933714][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.945366][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.952401][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 2.973519][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 2.982795][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.990057][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 3.031047][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.038909][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.045196][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.052739][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.058052][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.073294][ T1] iommu: Default domain type: Translated [ 3.073294][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.078710][ T1] SCSI subsystem initialized [ 3.091035][ T1] ACPI: bus type USB registered [ 3.092181][ T1] usbcore: registered new interface driver usbfs [ 3.093400][ T1] usbcore: registered new interface driver hub [ 3.094462][ T1] usbcore: registered new device driver usb [ 3.096563][ T1] mc: Linux media interface: v0.10 [ 3.097961][ T1] videodev: Linux video capture interface: v2.00 [ 3.100174][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.101766][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.104604][ T1] PTP clock support registered [ 3.106374][ T1] EDAC MC: Ver: 3.0.0 [ 3.112518][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.120056][ T1] Bluetooth: Core ver 2.22 [ 3.120149][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.121691][ T1] Bluetooth: HCI device and connection manager initialized [ 3.123335][ T1] Bluetooth: HCI socket layer initialized [ 3.124757][ T1] Bluetooth: L2CAP socket layer initialized [ 3.126685][ T1] Bluetooth: SCO socket layer initialized [ 3.128873][ T1] NET: Registered PF_ATMPVC protocol family [ 3.130044][ T1] NET: Registered PF_ATMSVC protocol family [ 3.131999][ T1] NetLabel: Initializing [ 3.133174][ T1] NetLabel: domain hash size = 128 [ 3.134507][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.137150][ T1] NetLabel: unlabeled traffic allowed by default [ 3.140870][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.142740][ T1] NET: Registered PF_NFC protocol family [ 3.144036][ T1] PCI: Using ACPI for IRQ routing [ 3.146351][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.147926][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.149662][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.150047][ T1] vgaarb: loaded [ 3.163488][ T1] clocksource: Switched to clocksource kvm-clock [ 3.183143][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.184875][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.187701][ T1] FS-Cache: Loaded [ 3.190456][ T1] CacheFiles: Loaded [ 3.192332][ T1] TOMOYO: 2.6.0 [ 3.193339][ T1] Mandatory Access Control activated. [ 3.197988][ T1] AppArmor: AppArmor Filesystem Enabled [ 3.200443][ T1] pnp: PnP ACPI init [ 3.221223][ T1] pnp: PnP ACPI: found 7 devices [ 3.285038][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.287879][ T1] NET: Registered PF_INET protocol family [ 3.303652][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.317211][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 3.321676][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 3.324907][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.333345][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage) [ 3.341404][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.346645][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 3.351980][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.356294][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.360101][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.363796][ T1] RPC: Registered named UNIX socket transport module. [ 3.365509][ T1] RPC: Registered udp transport module. [ 3.366914][ T1] RPC: Registered tcp transport module. [ 3.368315][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.373016][ T1] NET: Registered PF_XDP protocol family [ 3.374574][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.376594][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.378223][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.380939][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 3.384899][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.386856][ T1] PCI: CLS 0 bytes, default 64 [ 3.394638][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.397024][ T1] software IO TLB: mapped [mem 0x00000000b5a00000-0x00000000b9a00000] (64MB) [ 3.398874][ T1] ACPI: bus type thunderbolt registered [ 3.412475][ T56] kworker/u4:2 (56) used greatest stack depth: 28864 bytes left [ 3.414273][ T55] kworker/u4:2 (55) used greatest stack depth: 27896 bytes left [ 3.416670][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.445235][ T1] kvm: already loaded vendor module 'kvm_intel' [ 3.447060][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6fb5cc36, max_idle_ns: 440795309794 ns [ 3.450259][ T1] clocksource: Switched to clocksource tsc [ 3.490699][ T85] kworker/u4:2 (85) used greatest stack depth: 27416 bytes left [ 6.821057][ T1] Initialise system trusted keyrings [ 6.824463][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.866339][ T1] zbud: loaded [ 6.875394][ T1] DLM installed [ 6.882777][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.894882][ T1] NFS: Registering the id_resolver key type [ 6.896482][ T1] Key type id_resolver registered [ 6.897546][ T1] Key type id_legacy registered [ 6.899267][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.900935][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.902234][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 6.912345][ T1] Key type cifs.spnego registered [ 6.913583][ T1] Key type cifs.idmap registered [ 6.914927][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 6.917147][ T1] ntfs3: Max link count 4000 [ 6.917955][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 6.918794][ T1] ntfs3: Read-only LZX/Xpress compression included [ 6.921873][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 6.923488][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 6.928639][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 6.930251][ T1] QNX4 filesystem 0.2.3 registered. [ 6.931673][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 6.933869][ T1] fuse: init (API version 7.36) [ 6.939033][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 6.941168][ T1] orangefs_init: module version upstream loaded [ 6.943092][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.960360][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 6.973980][ T1] 9p: Installing v9fs 9p2000 file system support [ 6.976891][ T1] NILFS version 2 loaded [ 6.977720][ T1] befs: version: 0.9.3 [ 6.979902][ T1] ocfs2: Registered cluster interface o2cb [ 6.981702][ T1] ocfs2: Registered cluster interface user [ 6.983498][ T1] OCFS2 User DLM kernel interface loaded [ 6.996502][ T1] gfs2: GFS2 installed [ 7.008602][ T1] ceph: loaded (mds proto 32) [ 7.021856][ T1] NET: Registered PF_ALG protocol family [ 7.022954][ T1] xor: automatically using best checksumming function avx [ 7.024141][ T1] async_tx: api initialized (async) [ 7.025367][ T1] Key type asymmetric registered [ 7.026270][ T1] Asymmetric key parser 'x509' registered [ 7.027517][ T1] Asymmetric key parser 'pkcs8' registered [ 7.028640][ T1] Key type pkcs7_test registered [ 7.033354][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 7.035138][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 7.037359][ T1] io scheduler mq-deadline registered [ 7.038544][ T1] io scheduler kyber registered [ 7.039813][ T1] io scheduler bfq registered [ 7.055223][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.081585][ T1] ACPI: button: Power Button [PWRF] [ 7.083559][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.085880][ T1] ACPI: button: Sleep Button [SLPF] [ 7.086463][ T168] kworker/u4:1 (168) used greatest stack depth: 27056 bytes left [ 7.111713][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 7.112860][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.129995][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 7.132377][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.151293][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 7.152282][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 7.165999][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.434695][ T504] kworker/u4:3 (504) used greatest stack depth: 26600 bytes left [ 7.599496][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.601301][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.603919][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.610859][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.617666][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.624445][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.636281][ T1] Non-volatile memory driver v1.3 [ 7.656665][ T1] Linux agpgart interface v0.103 [ 7.659797][ T1] ACPI: bus type drm_connector registered [ 7.666719][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.674222][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 7.736768][ T1] Console: switching to colour frame buffer device 128x48 [ 7.754937][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 7.757063][ T1] usbcore: registered new interface driver udl [ 7.821022][ T1] brd: module loaded [ 7.888887][ T1] loop: module loaded [ 7.977666][ T1] zram: Added device: zram0 [ 7.985830][ T1] null_blk: disk nullb0 created [ 7.986995][ T1] null_blk: module loaded [ 7.988384][ T1] Guest personality initialized and is inactive [ 7.990307][ T1] VMCI host device registered (name=vmci, major=10, minor=120) [ 7.992074][ T1] Initialized host personality [ 7.993330][ T1] usbcore: registered new interface driver rtsx_usb [ 7.996402][ T1] usbcore: registered new interface driver viperboard [ 7.998478][ T1] usbcore: registered new interface driver dln2 [ 8.002015][ T1] usbcore: registered new interface driver pn533_usb [ 8.008179][ T1] nfcsim 0.2 initialized [ 8.009421][ T1] usbcore: registered new interface driver port100 [ 8.011221][ T1] usbcore: registered new interface driver nfcmrvl [ 8.020683][ T1] Loading iSCSI transport class v2.0-870. [ 8.053367][ T1] scsi host0: Virtio SCSI HBA [ 8.098522][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 8.100734][ T91] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 8.135143][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 8.138268][ T1] db_root: cannot open: /etc/target [ 8.141607][ T1] slram: not enough parameters. [ 8.147194][ T1] general protection fault, probably for non-canonical address 0xdffffc00000000ac: 0000 [#1] PREEMPT SMP KASAN [ 8.149478][ T1] KASAN: null-ptr-deref in range [0x0000000000000560-0x0000000000000567] [ 8.151271][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-rc8-next-20220727-syzkaller #0 [ 8.153918][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 8.156436][ T1] RIP: 0010:add_mtd_device+0xbc8/0x1520 [ 8.156436][ T1] Code: 48 81 fd 60 fe ff ff 0f 84 90 fd ff ff e8 30 69 99 fc 48 8d bd 60 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 da 08 00 00 48 8b ad 60 05 00 00 48 85 ed 0f 84 [ 8.156436][ T1] RSP: 0000:ffffc90000067c98 EFLAGS: 00010206 [ 8.156436][ T1] RAX: dffffc0000000000 RBX: ffff88801f9db000 RCX: 0000000000000000 [ 8.156436][ T1] RDX: 00000000000000ac RSI: ffffffff84e299e0 RDI: 0000000000000560 [ 8.156436][ T1] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000000 [ 8.156436][ T1] R10: ffffffff89e00000 R11: 0000000000000000 R12: ffff88801f9db004 [ 8.156436][ T1] R13: ffff88801f9db028 R14: 0000000000000000 R15: 0000000005a00000 [ 8.156436][ T1] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 8.156436][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.156436][ T1] CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 00000000003506f0 [ 8.156436][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8.156436][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8.156436][ T1] Call Trace: [ 8.156436][ T1] [ 8.156436][ T1] ? del_mtd_partitions+0x50/0x50 [ 8.156436][ T1] ? lockdep_init_map_type+0x21a/0x7f0 [ 8.156436][ T1] ? mtd_erase+0x8e0/0x8e0 [ 8.156436][ T1] ? lockdep_init_map_type+0x21a/0x7f0 [ 8.156436][ T1] ? __raw_spin_lock_init+0x36/0x110 [ 8.156436][ T1] mtd_device_parse_register+0x50c/0x850 [ 8.156436][ T1] mtdram_init_device+0x291/0x350 [ 8.156436][ T1] ? init_phram+0x99/0x99 [ 8.156436][ T1] init_mtdram+0xe5/0x177 [ 8.156436][ T1] ? init_phram+0x99/0x99 [ 8.156436][ T1] do_one_initcall+0xfe/0x650 [ 8.156436][ T1] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 8.156436][ T1] ? parameq+0xf0/0x170 [ 8.156436][ T1] kernel_init_freeable+0x6b1/0x73a [ 8.156436][ T1] ? rest_init+0x270/0x270 [ 8.156436][ T1] kernel_init+0x1a/0x1d0 [ 8.156436][ T1] ? rest_init+0x270/0x270 [ 8.156436][ T1] ret_from_fork+0x1f/0x30 [ 8.156436][ T1] [ 8.156436][ T1] Modules linked in: [ 8.156436][ C0] vkms_vblank_simulate: vblank timer overrun [ 8.211642][ T1] ---[ end trace 0000000000000000 ]--- [ 8.213050][ T1] RIP: 0010:add_mtd_device+0xbc8/0x1520 [ 8.214418][ T1] Code: 48 81 fd 60 fe ff ff 0f 84 90 fd ff ff e8 30 69 99 fc 48 8d bd 60 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 da 08 00 00 48 8b ad 60 05 00 00 48 85 ed 0f 84 [ 8.219307][ T1] RSP: 0000:ffffc90000067c98 EFLAGS: 00010206 [ 8.221749][ T1] RAX: dffffc0000000000 RBX: ffff88801f9db000 RCX: 0000000000000000 [ 8.223376][ T1] RDX: 00000000000000ac RSI: ffffffff84e299e0 RDI: 0000000000000560 [ 8.225560][ T1] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000000 [ 8.227838][ T1] R10: ffffffff89e00000 R11: 0000000000000000 R12: ffff88801f9db004 [ 8.229989][ T1] R13: ffff88801f9db028 R14: 0000000000000000 R15: 0000000005a00000 [ 8.232006][ T1] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 8.234069][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.235819][ T1] CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 00000000003506f0 [ 8.238058][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8.240256][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8.242233][ T1] Kernel panic - not syncing: Fatal exception [ 8.244256][ T1] Kernel Offset: disabled [ 8.245483][ 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-build927176155=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at da9d03669 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=da9d03669ac84e25e303cf11114203051e1454da -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220727-002742'" "-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=da9d03669ac84e25e303cf11114203051e1454da -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220727-002742'" "-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=da9d03669ac84e25e303cf11114203051e1454da -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220727-002742'" "-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=\"da9d03669ac84e25e303cf11114203051e1454da\"