INFO: rcu detected stall in corrupted
WARNING: workqueue cpumask: online intersect > possible intersect
HugeTLB: can optimize 7 vmemmap pages for hugepages-2048kB
HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
cryptd: max_cpu_qlen set to 1000
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... } 4 jiffies s: 61 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Task dump for CPU 1:
task:swapper/0 state:R running task stack:27456 pid: 1 ppid: 0 flags:0x00004008
Call Trace:
raid6: avx2x4 gen() 4677 MB/s
Callback from call_rcu_tasks() invoked.
raid6: avx2x2 gen() 3276 MB/s
raid6: avx2x1 gen() 1938 MB/s
raid6: using algorithm avx2x4 gen() 4677 MB/s
raid6: .... xor() 2466 MB/s, rmw enabled
raid6: using avx2x2 recovery algorithm
ACPI: Added _OSI(Module Device)
ACPI: Added _OSI(Processor Device)
ACPI: Added _OSI(3.0 _SCP Extensions)
ACPI: Added _OSI(Processor Aggregator Device)
ACPI: Added _OSI(Linux-Dell-Video)
ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
ACPI: 2 ACPI AML tables successfully acquired and loaded
ACPI: Interpreter enabled
ACPI: PM: (supports S0 S3 S4 S5)
ACPI: Using IOAPIC for interrupt routing
PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
PCI: Using E820 reservations for host bridge windows
ACPI: Enabled 16 GPEs in block 00 to 0F
ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
PCI host bridge to bus 0000:00
pci_bus 0000:00: Unknown NUMA node; performance will be reduced
pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
pci_bus 0000:00: root bus resource [bus 00-ff]
pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
pci 0000:00:01.0: [8086:7110] type 00 class 0x060100
pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000
pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f]
pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f]
pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000
pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff]
pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00
pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f]
pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f]
pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00
pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf]
pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f]
ACPI: PCI: Interrupt link LNKA configured for IRQ 10
ACPI: PCI: Interrupt link LNKB configured for IRQ 10
ACPI: PCI: Interrupt link LNKC configured for IRQ 11
ACPI: PCI: Interrupt link LNKD configured for IRQ 11
ACPI: PCI: Interrupt link LNKS configured for IRQ 9
iommu: Default domain type: Translated
iommu: DMA domain TLB invalidation policy: lazy mode
SCSI subsystem initialized
ACPI: bus type USB registered
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
mc: Linux media interface: v0.10
videodev: Linux video capture interface: v2.00
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
PTP clock support registered
EDAC MC: Ver: 3.0.0
Advanced Linux Sound Architecture Driver Initialized.
Bluetooth: Core ver 2.22
NET: Registered PF_BLUETOOTH protocol family
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Bluetooth: L2CAP socket layer initialized
Bluetooth: SCO socket layer initialized
NET: Registered PF_ATMPVC protocol family
NET: Registered PF_ATMSVC protocol family
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
NetLabel: unlabeled traffic allowed by default
nfc: nfc_init: NFC Core ver 0.1
NET: Registered PF_NFC protocol family
PCI: Using ACPI for IRQ routing
pci 0000:00:05.0: vgaarb: setting as boot VGA device
pci 0000:00:05.0: vgaarb: bridge control possible
pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
vgaarb: loaded
clocksource: Switched to clocksource kvm-clock
VFS: Disk quotas dquot_6.6.0
VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
FS-Cache: Loaded
CacheFiles: Loaded
TOMOYO: 2.6.0
Profile 0 (used by '') is not defined.
Userland tools for TOMOYO 2.6 must be installed and policy must be initialized.
Please see https://tomoyo.osdn.jp/2.6/ for more information.
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@10.128.10.27" "pwd"]: exit status 255
ssh: connect to host 10.128.10.27 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.ci2-linux-4-19-test-job-test-job-2 port 1 (session ID: 9cbfd31ccc9998218716c3fc776224853c167ca4d67593d6530bd7ed4bffe334, 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 c6ab82ce-fefc-8f44-f034-f50dfaa2054b
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] Linux version 5.19.0-rc4-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] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Hygon HygonGenuine
[ 0.000000] zhaoxin Shanghai
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[ 0.000000] signal: max sigframe size: 1776
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable
[ 0.000000] printk: bootconsole [earlyser0] enabled
[ 0.000000] ERROR: earlyprintk= earlyser already used
[ 0.000000] nopcid: PCID feature disabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2022
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000007] kvm-clock: using sched offset of 3567275376 cycles
[ 0.001340] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.004248] tsc: Detected 2200.144 MHz processor
[ 0.009236] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.010366] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.011556] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.019829] found SMP MP-table at [mem 0x000f29c0-0x000f29cf]
[ 0.020999] Using GB pages for direct mapping
[ 0.023399] ACPI: Early table checksum verification disabled
[ 0.024612] ACPI: RSDP 0x00000000000F2740 000014 (v00 Google)
[ 0.025478] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[ 0.027079] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[ 0.028588] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[ 0.029961] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.030778] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.031427] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[ 0.032803] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[ 0.034225] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[ 0.035918] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[ 0.037347] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423]
[ 0.038369] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323]
[ 0.039625] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.041109] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.042097] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27]
[ 0.043134] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25]
[ 0.044263] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf]
[ 0.045448] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57]
[ 0.046954] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[ 0.047591] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[ 0.048293] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.049320] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[ 0.050150] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
[ 0.051007] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff]
[ 0.052453] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff]
[ 0.053963] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB)
[ 0.055593] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB)
[ 0.057767] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff]
[ 0.059115] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff]
[ 0.098410] Zone ranges:
[ 0.099021] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.099908] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.100761] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.101811] Device empty
[ 0.102282] Movable zone start for each node
[ 0.103318] Early memory node ranges
[ 0.104054] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.105090] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.106225] node 0: [mem 0x0000000100000000-0x000000013fffffff]
[ 0.107651] node 1: [mem 0x0000000140000000-0x000000023fffffff]
[ 0.108562] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff]
[ 0.109549] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff]
[ 0.111096] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.111259] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.151259] On node 0, zone Normal: 3 pages in unavailable ranges
[ 0.502587] kasan: KernelAddressSanitizer initialized
[ 0.505411] ACPI: PM-Timer IO Port: 0xb008
[ 0.506131] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.507559] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.508665] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.509719] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.510845] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.511805] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.513076] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.514183] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.515144] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.516325] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.517724] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.519175] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.520641] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
[ 0.521922] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
[ 0.522991] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[ 0.524073] [mem 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.525368] Booting paravirtualized kernel on KVM
[ 0.526286] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.588196] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2
[ 0.590488] percpu: Embedded 69 pages/cpu s242952 r8192 d31480 u1048576
[ 0.591747] kvm-guest: PV spinlocks enabled
[ 0.592411] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.594059] Fallback order for Node 0: 0 1
[ 0.594970] Fallback order for Node 1: 1 0
[ 0.596012] Built 2 zonelists, mobility grouping on. Total pages: 2064125
[ 0.597282] Policy zone: Normal
[ 0.597710] Kernel command line: earlyprintk=serial oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb watchdog_thresh=55 workqueue.watchdog_thresh=140 kvm-intel.nested=1 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 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 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0
[ 0.612782] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space.
[ 0.615457] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.616868] Stack Depot early init allocating hash table with memblock_alloc, 8388608 bytes
[ 1.521550] Memory: 6871768K/8388204K available (135197K kernel code, 25159K rwdata, 29000K rodata, 2668K init, 15908K bss, 1516180K reserved, 0K cma-reserved)
[ 1.537828] Dynamic Preempt: full
[ 1.541985] Running RCU self tests
[ 1.544194] rcu: Preemptible hierarchical RCU implementation.
[ 1.548237] rcu: RCU lockdep checking is enabled.
[ 1.553264] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 1.559347] rcu: RCU callback double-/use-after-free debug is enabled.
[ 1.562210] rcu: RCU debug extended QS entry/exit.
[ 1.564217] All grace periods are expedited (rcu_expedited).
[ 1.565791] Trampoline variant of Tasks RCU enabled.
[ 1.567953] Tracing variant of Tasks RCU enabled.
[ 1.570381] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 1.571534] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 1.613567] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 1.615251] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 1.621448] Console: colour VGA+ 80x25
[ 1.622359] printk: console [ttyS0] enabled
[ 1.622359] printk: console [ttyS0] enabled
[ 1.623978] printk: bootconsole [earlyser0] disabled
[ 1.623978] printk: bootconsole [earlyser0] disabled
[ 1.626414] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 1.628921] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 1.629917] ... MAX_LOCK_DEPTH: 48
[ 1.630582] ... MAX_LOCKDEP_KEYS: 8192
[ 1.631584] ... CLASSHASH_SIZE: 4096
[ 1.632286] ... MAX_LOCKDEP_ENTRIES: 32768
[ 1.632946] ... MAX_LOCKDEP_CHAINS: 65536
[ 1.633643] ... CHAINHASH_SIZE: 32768
[ 1.634362] memory used by lock dependency info: 6365 kB
[ 1.636148] memory used for stack traces: 4224 kB
[ 1.636892] per task-struct memory footprint: 1920 bytes
[ 1.638124] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[ 1.640119] ACPI: Core revision 20220331
[ 1.641693] APIC: Switch to symmetric I/O mode setup
[ 1.648141] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 1.649851] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6bb06dbe, max_idle_ns: 440795305109 ns
[ 1.652432] Calibrating delay loop (skipped) preset value.. 4400.28 BogoMIPS (lpj=22001440)
[ 1.653918] pid_max: default: 32768 minimum: 301
[ 1.655374] LSM: Security Framework initializing
[ 1.657046] Yama: becoming mindful.
[ 1.658915] AppArmor: AppArmor initialized
[ 1.660089] TOMOYO Linux initialized
[ 1.664649] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage)
[ 1.667737] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage)
[ 1.669456] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 1.670929] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 1.675787] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 1.676681] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
[ 1.677790] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 1.679106] Spectre V2 : Kernel not compiled with retpoline; no mitigation available!
[ 1.679113] Spectre V2 : Vulnerable
[ 1.681212] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 1.682442] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 1.683519] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 1.684999] Spectre V2 : User space: Mitigation: STIBP via prctl
[ 1.685952] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 1.687628] MDS: Mitigation: Clear CPU buffers
[ 1.688311] TAA: Mitigation: Clear CPU buffers
[ 1.688931] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
[ 1.692716] Freeing SMP alternatives memory: 104K
[ 1.814777] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0)
[ 1.818459] cblist_init_generic: Setting adjustable number of callback queues.
[ 1.820326] cblist_init_generic: Setting shift to 1 and lim to 1.
[ 1.822016] cblist_init_generic: Setting shift to 1 and lim to 1.
[ 1.822417] Running RCU-tasks wait API self tests
[ 1.952637] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only.
[ 1.954811] rcu: Hierarchical SRCU implementation.
[ 1.959848] NMI watchdog: Perf NMI watchdog permanently disabled
[ 1.961957] smp: Bringing up secondary CPUs ...
[ 1.966951] x86: Booting SMP configuration:
[ 1.968003] .... node #0, CPUs: #1
[ 1.969968] 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.
[ 1.972603] 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.
[ 1.975022] 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.
[ 1.977943] smp: Brought up 2 nodes, 2 CPUs
[ 1.978662] smpboot: Max logical packages: 1
[ 1.979527] smpboot: Total of 2 processors activated (8800.57 BogoMIPS)
[ 1.984745] devtmpfs: initialized
[ 1.984841] x86/mm: Memory block size: 128MB
[ 1.992511] Callback from call_rcu_tasks_trace() invoked.
[ 2.014707] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 2.022442] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc)
[ 2.022442] PM: RTC time: 12:33:34, date: 2022-07-01
[ 2.029315] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 2.035413] audit: initializing netlink subsys (disabled)
[ 2.044342] thermal_sys: Registered thermal governor 'step_wise'
[ 2.044355] thermal_sys: Registered thermal governor 'user_space'
[ 2.045723] cpuidle: using governor menu
[ 2.052517] audit: type=2000 audit(1656678814.217:1): state=initialized audit_enabled=0 res=1
[ 2.052435] HugeTLB: can optimize 4095 vmemmap pages for hugepages-1048576kB
[ 2.052435] PCI: Using configuration type 1 for base access
[ 2.242553] WARNING: workqueue cpumask: online intersect > possible intersect
[ 2.252455] HugeTLB: can optimize 7 vmemmap pages for hugepages-2048kB
[ 2.252455] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[ 2.252455] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 2.254153] cryptd: max_cpu_qlen set to 1000
[ 2.332513] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... } 4 jiffies s: 61 root: 0x2/.
[ 2.334980] rcu: blocking rcu_node structures (internal RCU debug):
[ 2.336410] Task dump for CPU 1:
[ 2.336945] task:swapper/0 state:R running task stack:27456 pid: 1 ppid: 0 flags:0x00004008
[ 2.338968] Call Trace:
[ 2.339428]
[ 2.339820] ? __lock_acquire+0x162f/0x54e0
[ 2.340652] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 2.341766] ? lock_is_held_type+0xd7/0x130
[ 2.352446] ? find_held_lock+0x2d/0x110
[ 2.353438] ? lock_release+0x3bb/0x770
[ 2.354275] ? get_page_from_freelist+0x15de/0x3890
[ 2.355231] ? lock_downgrade+0x6d0/0x6d0
[ 2.356083] ? lock_is_held_type+0xd7/0x130
[ 2.356846] ? bad_range+0x22d/0x2e0
[ 2.357583] ? bad_range+0x22d/0x2e0
[ 2.358170] ? lockdep_hardirqs_on+0x79/0x100
[ 2.359360] ? bad_range+0x22d/0x2e0
[ 2.360195] ? get_page_from_freelist+0x15de/0x3890
[ 2.361665] ? kasan_unpoison+0x23/0x50
[ 2.372433] ? post_alloc_hook+0x1d0/0x2a0
[ 2.373289] ? get_page_from_freelist+0x15ff/0x3890
[ 2.374511] ? lock_release+0x3bb/0x770
[ 2.375375] ? prepare_alloc_pages+0x164/0x570
[ 2.376359] ? __zone_watermark_ok+0x3f0/0x3f0
[ 2.377420] ? lock_is_held_type+0xd7/0x130
[ 2.378311] ? irqentry_enter+0x26/0x50
[ 2.378976] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 2.380248] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 2.381354] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 2.382354] ? lockdep_hardirqs_on+0x79/0x100
[ 2.392451] ? kernel_fpu_begin_mask+0x165/0x260
[ 2.393476] ? save_fpregs_to_fpstate+0x270/0x270
[ 2.394513] ? raid6_avx24_gen_syndrome+0x125/0x2c0
[ 2.395355] ? raid6_avx24_gen_syndrome+0x125/0x2c0
[ 2.401015] ? raid6_select_algo+0x31a/0x882
[ 2.401718] ? sw842_init+0x1bd/0x1bd
[ 2.402339] ? lock_is_held_type+0xd7/0x130
[ 2.412436] ? sw842_init+0x1bd/0x1bd
[ 2.413334] ? do_one_initcall+0x103/0x650
[ 2.415195] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0
[ 2.416434] ? parameq+0x100/0x170
[ 2.417124] ? lock_is_held_type+0xd7/0x130
[ 2.417823] ? kernel_init_freeable+0x604/0x68d
[ 2.418589] ? rest_init+0x250/0x250
[ 2.419247] ? kernel_init+0x1a/0x1d0
[ 2.420089] ? rest_init+0x250/0x250
[ 2.420797] ? ret_from_fork+0x1f/0x30
[ 2.421563]
[ 2.432421] raid6: avx2x4 gen() 4677 MB/s
[ 2.432536] Callback from call_rcu_tasks() invoked.
[ 2.594368] raid6: avx2x2 gen() 3276 MB/s
[ 2.764526] raid6: avx2x1 gen() 1938 MB/s
[ 2.766296] raid6: using algorithm avx2x4 gen() 4677 MB/s
[ 2.934458] raid6: .... xor() 2466 MB/s, rmw enabled
[ 2.935820] raid6: using avx2x2 recovery algorithm
[ 2.938257] ACPI: Added _OSI(Module Device)
[ 2.938973] ACPI: Added _OSI(Processor Device)
[ 2.939828] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 2.941597] ACPI: Added _OSI(Processor Aggregator Device)
[ 2.942459] ACPI: Added _OSI(Linux-Dell-Video)
[ 2.943324] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 2.944282] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 3.046806] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 3.183025] ACPI: Interpreter enabled
[ 3.184164] ACPI: PM: (supports S0 S3 S4 S5)
[ 3.185312] ACPI: Using IOAPIC for interrupt routing
[ 3.186635] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 3.188479] PCI: Using E820 reservations for host bridge windows
[ 3.193470] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 3.335395] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 3.336800] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 3.338408] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
[ 3.340662] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 3.353025] PCI host bridge to bus 0000:00
[ 3.353867] pci_bus 0000:00: Unknown NUMA node; performance will be reduced
[ 3.356199] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 3.358023] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 3.359759] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 3.361259] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
[ 3.362465] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 3.364349] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 3.370651] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100
[ 3.394213] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 3.413925] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 3.418810] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000
[ 3.429206] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f]
[ 3.435620] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f]
[ 3.455738] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
[ 3.465039] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
[ 3.471672] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
[ 3.492827] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000
[ 3.503937] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff]
[ 3.530482] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 3.536069] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00
[ 3.545791] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f]
[ 3.552444] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f]
[ 3.570686] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00
[ 3.579798] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf]
[ 3.587877] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f]
[ 3.652688] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 3.659930] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 3.665435] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 3.672856] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 3.676762] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 3.690551] iommu: Default domain type: Translated
[ 3.690551] iommu: DMA domain TLB invalidation policy: lazy mode
[ 3.692435] SCSI subsystem initialized
[ 3.693025] ACPI: bus type USB registered
[ 3.695044] usbcore: registered new interface driver usbfs
[ 3.696897] usbcore: registered new interface driver hub
[ 3.698349] usbcore: registered new device driver usb
[ 3.701433] mc: Linux media interface: v0.10
[ 3.702684] videodev: Linux video capture interface: v2.00
[ 3.704581] pps_core: LinuxPPS API ver. 1 registered
[ 3.705918] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
[ 3.708045] PTP clock support registered
[ 3.712424] EDAC MC: Ver: 3.0.0
[ 3.714114] Advanced Linux Sound Architecture Driver Initialized.
[ 3.722892] Bluetooth: Core ver 2.22
[ 3.722892] NET: Registered PF_BLUETOOTH protocol family
[ 3.722892] Bluetooth: HCI device and connection manager initialized
[ 3.722892] Bluetooth: HCI socket layer initialized
[ 3.723783] Bluetooth: L2CAP socket layer initialized
[ 3.724932] Bluetooth: SCO socket layer initialized
[ 3.726258] NET: Registered PF_ATMPVC protocol family
[ 3.727226] NET: Registered PF_ATMSVC protocol family
[ 3.728871] NetLabel: Initializing
[ 3.729474] NetLabel: domain hash size = 128
[ 3.730476] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 3.733189] NetLabel: unlabeled traffic allowed by default
[ 3.736711] nfc: nfc_init: NFC Core ver 0.1
[ 3.738035] NET: Registered PF_NFC protocol family
[ 3.739223] PCI: Using ACPI for IRQ routing
[ 3.741395] pci 0000:00:05.0: vgaarb: setting as boot VGA device
[ 3.742417] pci 0000:00:05.0: vgaarb: bridge control possible
[ 3.742417] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 3.752437] vgaarb: loaded
[ 3.757925] clocksource: Switched to clocksource kvm-clock
[ 3.775573] VFS: Disk quotas dquot_6.6.0
[ 3.776897] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 3.780161] FS-Cache: Loaded
[ 3.782268] CacheFiles: Loaded
[ 3.783739] TOMOYO: 2.6.0
[ 3.784718] Profile 0 (used by '') is not defined.
[ 3.786249] Userland tools for TOMOYO 2.6 must be installed and policy must be initialized.
[ 3.788505] Please see https://tomoyo.osdn.jp/2.6/ for more information.
[ 3.790935] Kernel panic - not syncing: STOP!
[ 3.792101] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.19.0-rc4-syzkaller #0
[ 3.793218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2022
[ 3.793218] Call Trace:
[ 3.793218]
[ 3.793218] dump_stack_lvl+0x8b/0xb3
[ 3.793218] panic+0x29c/0x5fb
[ 3.793218] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 3.793218] ? lock_release+0x3bb/0x770
[ 3.793218] ? tomoyo_load_builtin_policy+0x24d/0x2c4
[ 3.793218] ? lock_downgrade+0x6d0/0x6d0
[ 3.793218] ? vprintk+0x88/0x90
[ 3.793218] tomoyo_check_profile.cold+0xbb/0xc8
[ 3.793218] tomoyo_load_builtin_policy+0x279/0x2c4
[ 3.793218] ? smack_nf_ip_init+0x7c/0x7c
[ 3.793218] ? mark_lock.part.0+0xee/0x17c0
[ 3.793218] ? tomoyo_write_domain2+0x1a0/0x1a0
[ 3.793218] ? up_write+0x148/0x470
[ 3.793218] ? securityfs_create_dentry+0x178/0x5a0
[ 3.793218] ? tomoyo_mm_init+0x26e/0x26e
[ 3.793218] tomoyo_initerface_init+0x1c0/0x1ca
[ 3.793218] do_one_initcall+0x103/0x650
[ 3.793218] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0
[ 3.793218] ? parameq+0x100/0x170
[ 3.793218] ? lock_is_held_type+0xd7/0x130
[ 3.793218] kernel_init_freeable+0x604/0x68d
[ 3.793218] ? rest_init+0x250/0x250
[ 3.793218] kernel_init+0x1a/0x1d0
[ 3.793218] ? rest_init+0x250/0x250
[ 3.793218] ret_from_fork+0x1f/0x30
[ 3.793218]
[ 3.793218] 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-build514774188=/tmp/go-build -gno-record-gcc-switches"
git status (err=)
HEAD detached at a4a2a5015
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=a4a2a50158b25d4af0fd07528f38e6656b903d68 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20211208-095440'" "-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=a4a2a50158b25d4af0fd07528f38e6656b903d68 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20211208-095440'" "-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=a4a2a50158b25d4af0fd07528f38e6656b903d68 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20211208-095440'" "-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 -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"a4a2a50158b25d4af0fd07528f38e6656b903d68\"