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@10.128.10.25" "pwd"]: exit status 255 ssh: connect to host 10.128.10.25 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-kasan-gce-smack-root-test-2 port 1 (session ID: aa2ec386af86380807a71b71fbd35fce196e2ecb9263c8d31c4d2087f3555435, 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 42d0ba71-2c1a-5ab5-04c0-60dc4d2c3084 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 0x000f2490: 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-syzkaller-14135-g6c833c0581f1 (syzkaller@syzkaller) (Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, 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 07/22/2022 [ 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 3985254440 cycles [ 0.000787][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003467][ T0] tsc: Detected 2200.212 MHz processor [ 0.007351][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.008406][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.009570][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.016021][ T0] found SMP MP-table at [mem 0x000f2750-0x000f275f] [ 0.017317][ T0] Using GB pages for direct mapping [ 0.019522][ T0] ACPI: Early table checksum verification disabled [ 0.020426][ T0] ACPI: RSDP 0x00000000000F24D0 000014 (v00 Google) [ 0.021402][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.022749][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.024395][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.025883][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.026613][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.027340][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.028576][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.029809][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.031231][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.032654][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.033850][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.035096][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.036398][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.037830][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.039282][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.040313][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.041492][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.042786][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.043594][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.044517][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.045472][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.046538][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.047493][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.049240][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.050839][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.052169][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.053939][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.055693][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.097075][ T0] Zone ranges: [ 0.098346][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.099611][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.100708][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.101732][ T0] Device empty [ 0.102220][ T0] Movable zone start for each node [ 0.102897][ T0] Early memory node ranges [ 0.103720][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.104961][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.106203][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.107277][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.108266][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.109685][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.110978][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.111173][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.160851][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.522199][ T0] kasan: KernelAddressSanitizer initialized [ 0.524826][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.525538][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.526638][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.527822][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.528955][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.530257][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.531376][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.532836][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.534083][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.535113][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.536232][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.537452][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.538692][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.540074][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.541297][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.542452][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.543850][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.544949][ T0] Booting paravirtualized kernel on KVM [ 0.545814][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.630642][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.632974][ T0] percpu: Embedded 69 pages/cpu s243016 r8192 d31416 u1048576 [ 0.634328][ T0] kvm-guest: PV spinlocks enabled [ 0.635011][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.636151][ T0] Fallback order for Node 0: 0 1 [ 0.637120][ T0] Fallback order for Node 1: 1 0 [ 0.637936][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.638944][ T0] Policy zone: Normal [ 0.639466][ 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 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 [ 0.655751][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.659240][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.663213][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.664406][ T0] software IO TLB: area num 2. [ 1.559304][ T0] Memory: 6818996K/8388204K available (155678K kernel code, 25052K rwdata, 31960K rodata, 2552K init, 37428K bss, 1568952K reserved, 0K cma-reserved) [ 1.562949][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.567201][ T0] Dynamic Preempt: full [ 1.569200][ T0] Running RCU self tests [ 1.569927][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.570900][ T0] rcu: RCU lockdep checking is enabled. [ 1.571800][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.573086][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.574398][ T0] rcu: RCU debug extended QS entry/exit. [ 1.575347][ T0] All grace periods are expedited (rcu_expedited). [ 1.576451][ T0] Trampoline variant of Tasks RCU enabled. [ 1.577364][ T0] Tracing variant of Tasks RCU enabled. [ 1.578343][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.579578][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.615099][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.617149][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.618989][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.621316][ T0] random: crng init done [ 1.623144][ T0] Console: colour VGA+ 80x25 [ 1.623974][ T0] printk: console [ttyS0] enabled [ 1.623974][ T0] printk: console [ttyS0] enabled [ 1.626120][ T0] printk: bootconsole [earlyser0] disabled [ 1.626120][ T0] printk: bootconsole [earlyser0] disabled [ 1.628059][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.629370][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.630258][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.631335][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.632717][ T0] ... CLASSHASH_SIZE: 4096 [ 1.633803][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.634936][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.635926][ T0] ... CHAINHASH_SIZE: 131072 [ 1.637184][ T0] memory used by lock dependency info: 20657 kB [ 1.638368][ T0] memory used for stack traces: 8320 kB [ 1.639299][ T0] per task-struct memory footprint: 1920 bytes [ 1.640882][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.642930][ T0] ACPI: Core revision 20220331 [ 1.644345][ T0] APIC: Switch to symmetric I/O mode setup [ 1.651098][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.652730][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6fb5cc36, max_idle_ns: 440795309794 ns [ 1.655254][ T0] Calibrating delay loop (skipped) preset value.. 4400.42 BogoMIPS (lpj=22002120) [ 1.657203][ T0] pid_max: default: 32768 minimum: 301 [ 1.659304][ T0] LSM: Security Framework initializing [ 1.660221][ T0] landlock: Up and running. [ 1.661103][ T0] Yama: becoming mindful. [ 1.662550][ T0] TOMOYO Linux initialized [ 1.663557][ T0] Smack: Initializing. [ 1.665235][ T0] Smack: Netfilter enabled. [ 1.666148][ T0] Smack: IPv6 Netfilter enabled. [ 1.667179][ T0] LSM support for eBPF active [ 1.671826][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.676025][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.677651][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.679486][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.684075][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.685052][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.685277][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.687189][ T0] Spectre V2 : Mitigation: IBRS [ 1.688289][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.689732][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.691197][ T0] RETBleed: Mitigation: IBRS [ 1.692158][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.695279][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.696911][ T0] MDS: Mitigation: Clear CPU buffers [ 1.697669][ T0] TAA: Mitigation: Clear CPU buffers [ 1.698499][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.702184][ T0] Freeing SMP alternatives memory: 116K [ 1.824084][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.825223][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.825223][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.825223][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.825223][ T1] Running RCU-tasks wait API self tests [ 1.935551][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.938789][ T1] rcu: Hierarchical SRCU implementation. [ 1.940211][ T1] rcu: Max phase no-delay instances is 1000. [ 1.945836][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.948019][ T1] smp: Bringing up secondary CPUs ... [ 1.950582][ T1] x86: Booting SMP configuration: [ 1.951496][ T1] .... node #0, CPUs: #1 [ 1.953888][ 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. [ 1.955384][ 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. [ 1.958007][ 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. [ 1.961244][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.962006][ T1] smpboot: Max logical packages: 1 [ 1.965237][ T1] smpboot: Total of 2 processors activated (8800.84 BogoMIPS) [ 1.975319][ T13] Callback from call_rcu_tasks_trace() invoked. [ 2.002662][ T1] allocated 134217728 bytes of page_ext [ 2.004423][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.012473][ T1] Node 0, zone DMA32: page owner found early allocated 19307 pages [ 2.023633][ T1] Node 0, zone Normal: page owner found early allocated 0 pages [ 2.029223][ T1] Node 1, zone Normal: page owner found early allocated 18866 pages [ 2.035828][ T1] devtmpfs: initialized [ 2.037482][ T1] x86/mm: Memory block size: 128MB [ 2.067705][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.075443][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.080754][ T1] PM: RTC time: 02:11:12, date: 2022-08-13 [ 2.088879][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.092780][ T1] audit: initializing netlink subsys (disabled) [ 2.105247][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.105247][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.105330][ T27] audit: type=2000 audit(1660356672.266:1): state=initialized audit_enabled=0 res=1 [ 2.110081][ T1] cpuidle: using governor menu [ 2.110081][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.110081][ T1] PCI: Using configuration type 1 for base access [ 2.155888][ T12] Callback from call_rcu_tasks() invoked. [ 2.335324][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.339247][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.341291][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 2.345245][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.345245][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.356645][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.365255][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.365381][ T1] raid6: using avx2x2 recovery algorithm [ 2.375351][ T1] ACPI: Added _OSI(Module Device) [ 2.375351][ T1] ACPI: Added _OSI(Processor Device) [ 2.375351][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.375351][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.375351][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.375351][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.385249][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.490870][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.583752][ T1] ACPI: Interpreter enabled [ 2.585548][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.587047][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.589197][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.592368][ T1] PCI: Using E820 reservations for host bridge windows [ 2.598547][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.743933][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.745312][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.747794][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.751457][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.769346][ T1] PCI host bridge to bus 0000:00 [ 2.770764][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.773250][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.775283][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.777941][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.780208][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.782296][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.785388][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.792528][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.815544][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.835823][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.840742][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.848896][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.856866][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.880484][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.892354][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.898951][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.922356][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.935312][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.966112][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.971735][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.982698][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.990628][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 3.015323][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 3.026939][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 3.033928][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 3.081314][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.088646][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.095977][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.103227][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.108417][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.125415][ T1] iommu: Default domain type: Translated [ 3.126836][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.134803][ T1] SCSI subsystem initialized [ 3.147036][ T1] ACPI: bus type USB registered [ 3.148879][ T1] usbcore: registered new interface driver usbfs [ 3.151073][ T1] usbcore: registered new interface driver hub [ 3.152944][ T1] usbcore: registered new device driver usb [ 3.156365][ T1] mc: Linux media interface: v0.10 [ 3.157751][ T1] videodev: Linux video capture interface: v2.00 [ 3.160631][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.162367][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.164613][ T1] PTP clock support registered [ 3.175544][ T1] EDAC MC: Ver: 3.0.0 [ 3.177734][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.181649][ T1] Bluetooth: Core ver 2.22 [ 3.181649][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.181670][ T1] Bluetooth: HCI device and connection manager initialized [ 3.184004][ T1] Bluetooth: HCI socket layer initialized [ 3.185302][ T1] Bluetooth: L2CAP socket layer initialized [ 3.187108][ T1] Bluetooth: SCO socket layer initialized [ 3.188179][ T1] NET: Registered PF_ATMPVC protocol family [ 3.189960][ T1] NET: Registered PF_ATMSVC protocol family [ 3.192526][ T1] NetLabel: Initializing [ 3.193925][ T1] NetLabel: domain hash size = 128 [ 3.195239][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.196921][ T1] NetLabel: unlabeled traffic allowed by default [ 3.209234][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.209234][ T1] NET: Registered PF_NFC protocol family [ 3.209535][ T1] PCI: Using ACPI for IRQ routing [ 3.220475][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.220475][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.220475][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.221412][ T1] vgaarb: loaded [ 3.225229][ T1] clocksource: Switched to clocksource kvm-clock [ 3.235205][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.235205][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.235622][ T1] FS-Cache: Loaded [ 3.245462][ T1] CacheFiles: Loaded [ 3.247092][ T1] TOMOYO: 2.6.0 [ 3.248159][ T1] Mandatory Access Control activated. [ 3.250372][ T1] pnp: PnP ACPI init [ 3.272074][ T1] pnp: PnP ACPI: found 7 devices [ 3.328184][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.331582][ T1] NET: Registered PF_INET protocol family [ 3.336925][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.348595][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 3.352973][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 3.358202][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.366661][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage) [ 3.376427][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.381793][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 3.387629][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.392882][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.396521][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.407199][ T1] RPC: Registered named UNIX socket transport module. [ 3.409152][ T1] RPC: Registered udp transport module. [ 3.410613][ T1] RPC: Registered tcp transport module. [ 3.411970][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.425325][ T1] NET: Registered PF_XDP protocol family [ 3.426861][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.428792][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.430153][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.432580][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 3.435579][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.437948][ T1] PCI: CLS 0 bytes, default 64 [ 3.439403][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.441246][ T1] software IO TLB: mapped [mem 0x00000000b5a00000-0x00000000b9a00000] (64MB) [ 3.444071][ T1] ACPI: bus type thunderbolt registered [ 3.448137][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.451088][ T58] kworker/u4:1 (58) used greatest stack depth: 26424 bytes left [ 3.491313][ T1] kvm: already loaded vendor module 'kvm_intel' [ 3.493393][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6fb5cc36, max_idle_ns: 440795309794 ns [ 3.495939][ T59] kworker/u4:4 (59) used greatest stack depth: 26016 bytes left [ 3.498842][ T1] clocksource: Switched to clocksource tsc [ 3.508855][ T61] kworker/u4:4 (61) used greatest stack depth: 25656 bytes left [ 5.513696][ T1] Initialise system trusted keyrings [ 5.517585][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 5.561201][ T1] zbud: loaded [ 5.570485][ T1] DLM installed [ 5.578366][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.591111][ T1] NFS: Registering the id_resolver key type [ 5.592450][ T1] Key type id_resolver registered [ 5.593344][ T1] Key type id_legacy registered [ 5.594741][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.596583][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.607212][ T1] Key type cifs.spnego registered [ 5.608880][ T1] Key type cifs.idmap registered [ 5.610239][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 5.612592][ T1] ntfs3: Max link count 4000 [ 5.613302][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.614713][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.618396][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 5.619744][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.625482][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.627256][ T1] QNX4 filesystem 0.2.3 registered. [ 5.628319][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.630171][ T1] fuse: init (API version 7.36) [ 5.635325][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.636984][ T1] orangefs_init: module version upstream loaded [ 5.639063][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.658568][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 5.674158][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.677755][ T1] NILFS version 2 loaded [ 5.679214][ T1] befs: version: 0.9.3 [ 5.682017][ T1] ocfs2: Registered cluster interface o2cb [ 5.683818][ T1] ocfs2: Registered cluster interface user [ 5.685701][ T1] OCFS2 User DLM kernel interface loaded [ 5.699645][ T1] gfs2: GFS2 installed [ 5.713672][ T1] ceph: loaded (mds proto 32) [ 5.728119][ T1] NET: Registered PF_ALG protocol family [ 5.729966][ T1] xor: automatically using best checksumming function avx [ 5.731585][ T1] async_tx: api initialized (async) [ 5.732538][ T1] Key type asymmetric registered [ 5.733281][ T1] Asymmetric key parser 'x509' registered [ 5.734209][ T1] Asymmetric key parser 'pkcs8' registered [ 5.735354][ T1] Key type pkcs7_test registered [ 5.737528][ T134] kworker/u4:3 (134) used greatest stack depth: 25312 bytes left [ 5.741915][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 5.743434][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 5.746038][ T1] io scheduler mq-deadline registered [ 5.747312][ T1] io scheduler kyber registered [ 5.748888][ T1] io scheduler bfq registered [ 5.766983][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 5.796155][ T1] ACPI: button: Power Button [PWRF] [ 5.798446][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 5.801727][ T1] ACPI: button: Sleep Button [SLPF] [ 5.827641][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.828785][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.849109][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.850189][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.869494][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.871010][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.886036][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 6.061753][ T388] kworker/u4:3 (388) used greatest stack depth: 25144 bytes left [ 6.302131][ T1] N_HDLC line discipline registered with maxframe=4096 [ 6.304035][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.307562][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.314461][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 6.322658][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 6.329233][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 6.342396][ T1] Non-volatile memory driver v1.3 [ 6.361942][ T1] Linux agpgart interface v0.103 [ 6.365530][ T1] ACPI: bus type drm_connector registered [ 6.371800][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 6.380046][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 6.444660][ T1] Console: switching to colour frame buffer device 128x48 [ 6.463170][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 6.464960][ T1] usbcore: registered new interface driver udl [ 6.527012][ T1] brd: module loaded [ 6.593203][ T1] loop: module loaded [ 6.687841][ T1] zram: Added device: zram0 [ 6.696353][ T1] null_blk: disk nullb0 created [ 6.697590][ T1] null_blk: module loaded [ 6.698718][ T1] Guest personality initialized and is inactive [ 6.701885][ T1] VMCI host device registered (name=vmci, major=10, minor=120) [ 6.703614][ T1] Initialized host personality [ 6.705167][ T1] usbcore: registered new interface driver rtsx_usb [ 6.708629][ T1] usbcore: registered new interface driver viperboard [ 6.710822][ T1] usbcore: registered new interface driver dln2 [ 6.714484][ T1] usbcore: registered new interface driver pn533_usb [ 6.720449][ T1] nfcsim 0.2 initialized [ 6.721726][ T1] usbcore: registered new interface driver port100 [ 6.723475][ T1] usbcore: registered new interface driver nfcmrvl [ 6.730885][ T1] Loading iSCSI transport class v2.0-870. [ 6.742564][ T939] kworker/u4:0 (939) used greatest stack depth: 24712 bytes left [ 6.763113][ T1] scsi host0: Virtio SCSI HBA [ 6.819511][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 6.824738][ T8] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 6.854803][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 6.858773][ T1] db_root: cannot open: /etc/target [ 6.861825][ T1] slram: not enough parameters. [ 6.879627][ T1] ftl_cs: FTL header not found. [ 6.935057][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 6.942070][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 6.945204][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 6.963742][ T1] MACsec IEEE 802.1AE [ 6.993261][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 7.077157][ T1] general protection fault, probably for non-canonical address 0xffff000000000800: 0000 [#1] PREEMPT SMP KASAN [ 7.081781][ T1] KASAN: maybe wild-memory-access in range [0xfff8200000004000-0xfff8200000004007] [ 7.084366][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-syzkaller-14135-g6c833c0581f1 #0 [ 7.085606][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 7.085606][ T1] RIP: 0010:kmem_cache_alloc_trace+0x172/0x310 [ 7.085606][ T1] Code: 84 d9 00 00 00 48 83 78 10 00 0f 84 ce 00 00 00 49 8b 2e 40 f6 c5 0f 0f 85 9f 01 00 00 40 84 ff 0f 84 98 01 00 00 41 8b 46 28 <49> 8b 5c 05 00 48 8d 4a 08 4c 89 e8 65 48 0f c7 4d 00 0f 94 c0 a8 [ 7.096926][ T1] RSP: 0000:ffffc90000067b90 EFLAGS: 00010202 [ 7.096926][ T1] RAX: 0000000000000800 RBX: 0000000000000dc0 RCX: 0000000000000000 [ 7.096926][ T1] RDX: 0000000000003088 RSI: 0000000000000dc0 RDI: ffff888012042101 [ 7.096926][ T1] RBP: 000000000003d960 R08: dffffc0000000000 R09: fffffbfff1c4ad5e [ 7.096926][ T1] R10: fffffbfff1c4ad5e R11: 1ffffffff1c4ad5d R12: 0000000000000a20 [ 7.096926][ T1] R13: ffff000000000000 R14: ffff888012042140 R15: 0000000000000dc0 [ 7.096926][ T1] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 7.096926][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.096926][ T1] CR2: ffff88823ffff000 CR3: 000000000ca8e000 CR4: 00000000003506f0 [ 7.096926][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.096926][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7.096926][ T1] Call Trace: [ 7.096926][ T1] [ 7.096926][ T1] ? kobject_uevent_env+0x33a/0x8e0 [ 7.096926][ T1] kobject_uevent_env+0x33a/0x8e0 [ 7.096926][ T1] driver_register+0x399/0x3e0 [ 7.096926][ T1] ? veth_init+0x11/0x11 [ 7.096926][ T1] virtio_net_driver_init+0x8e/0xcb [ 7.096926][ T1] do_one_initcall+0xbd/0x2b0 [ 7.096926][ T1] ? IS_ERR_OR_NULL+0x20/0x20 [ 7.096926][ T1] ? rcu_read_lock_sched_held+0x89/0x130 [ 7.096926][ T1] do_initcall_level+0x168/0x218 [ 7.096926][ T1] do_initcalls+0x4b/0x8c [ 7.096926][ T1] kernel_init_freeable+0x43a/0x5c3 [ 7.096926][ T1] ? report_meminit+0x64/0x64 [ 7.096926][ T1] ? do_raw_spin_unlock+0x134/0x8a0 [ 7.096926][ T1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 7.096926][ T1] ? lockdep_hardirqs_on+0x95/0x140 [ 7.096926][ T1] ? rest_init+0x270/0x270 [ 7.096926][ T1] kernel_init+0x19/0x2b0 [ 7.096926][ T1] ? rest_init+0x270/0x270 [ 7.096926][ T1] ret_from_fork+0x1f/0x30 [ 7.096926][ T1] [ 7.096926][ T1] Modules linked in: [ 7.135272][ C0] vkms_vblank_simulate: vblank timer overrun [ 7.137072][ T41] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 7.138126][ T1] ---[ end trace 0000000000000000 ]--- [ 7.138946][ T41] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 7.140546][ T1] RIP: 0010:kmem_cache_alloc_trace+0x172/0x310 [ 7.142366][ T8] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 7.143360][ T1] Code: 84 d9 00 00 00 48 83 78 10 00 0f 84 ce 00 00 00 49 8b 2e 40 f6 c5 0f 0f 85 9f 01 00 00 40 84 ff 0f 84 98 01 00 00 41 8b 46 28 <49> 8b 5c 05 00 48 8d 4a 08 4c 89 e8 65 48 0f c7 4d 00 0f 94 c0 a8 [ 7.145431][ C1] ------------[ cut here ]------------ [ 7.150672][ T1] RSP: 0000:ffffc90000067b90 EFLAGS: 00010202 [ 7.151410][ C1] refcount_t: underflow; use-after-free. [ 7.151673][ C1] WARNING: CPU: 1 PID: 8 at lib/refcount.c:28 refcount_warn_saturate+0x15b/0x1a0 [ 7.152820][ T1] RAX: 0000000000000800 RBX: 0000000000000dc0 RCX: 0000000000000000 [ 7.154344][ C1] Modules linked in: [ 7.156845][ T1] RDX: 0000000000003088 RSI: 0000000000000dc0 RDI: ffff888012042101 [ 7.158759][ C1] CPU: 1 PID: 8 Comm: kworker/u4:0 Tainted: G D 5.19.0-syzkaller-14135-g6c833c0581f1 #0 [ 7.160069][ T1] RBP: 000000000003d960 R08: dffffc0000000000 R09: fffffbfff1c4ad5e [ 7.162658][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 7.165203][ T1] R10: fffffbfff1c4ad5e R11: 1ffffffff1c4ad5d R12: 0000000000000a20 [ 7.167252][ C1] Workqueue: events_unbound async_run_entry_fn [ 7.169929][ T1] R13: ffff000000000000 R14: ffff888012042140 R15: 0000000000000dc0 [ 7.171492][ C1] [ 7.171500][ C1] RIP: 0010:refcount_warn_saturate+0x15b/0x1a0 [ 7.172549][ T1] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 7.174236][ C1] Code: c7 60 12 0a 8b 31 c0 e8 d3 24 1c fd 0f 0b eb 85 e8 3a 4d 54 fd c6 05 7a 6b dc 09 01 48 c7 c7 c0 12 0a 8b 31 c0 e8 b5 24 1c fd <0f> 0b e9 64 ff ff ff e8 19 4d 54 fd c6 05 5a 6b dc 09 01 48 c7 c7 [ 7.174952][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.176295][ C1] RSP: 0000:ffffc900001e0bd0 EFLAGS: 00010246 [ 7.176310][ C1] RAX: 3ba01846ec28bb00 RBX: 0000000000000003 RCX: ffff88801223d880 [ 7.176322][ C1] RDX: 0000000080000100 RSI: 0000000080000100 RDI: 0000000000000000 [ 7.178201][ T1] CR2: ffff88823ffff000 CR3: 000000000ca8e000 CR4: 00000000003506f0 [ 7.182449][ C1] RBP: 0000000000000003 R08: ffffffff816d56dd R09: fffffbfff19a295d [ 7.183997][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.185247][ C1] R10: fffffbfff19a295d R11: 1ffffffff19a295c R12: dffffc0000000000 [ 7.185259][ C1] R13: ffff888020dfd050 R14: ffff888020dfbb00 R15: ffff888020e08000 [ 7.185270][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 7.187173][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7.188395][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.188408][ C1] CR2: 0000000000000000 CR3: 000000000ca8e000 CR4: 00000000003506e0 [ 7.188422][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7.189918][ T1] Kernel panic - not syncing: Fatal exception [ 7.191692][ T1] Kernel Offset: disabled [ 7.195238][ T1] Rebooting in 86400 seconds..