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@10.128.0.86" "pwd"]: exit status 255 ssh: connect to host 10.128.0.86 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-net-kasan-gce-test-1 port 1 (session ID: cfe84ce23a68fa71120c5c5de7da17aaa94b0c957e442e0035c48603f9c8ef44, 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 00dd10da-7f85-b590-fbfd-97ac66d60836 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 0x000f27a0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 6.2.0-rc6-syzkaller-01475-g7eadc0a01345 (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 01/21/2023 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000009][ T0] kvm-clock: using sched offset of 4187619642 cycles [ 0.000793][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003207][ T0] tsc: Detected 2200.146 MHz processor [ 0.008441][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.009553][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.010989][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.018459][ T0] found SMP MP-table at [mem 0x000f2a60-0x000f2a6f] [ 0.019538][ T0] Using GB pages for direct mapping [ 0.022027][ T0] ACPI: Early table checksum verification disabled [ 0.023134][ T0] ACPI: RSDP 0x00000000000F27E0 000014 (v00 Google) [ 0.024101][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.025350][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.026595][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.027971][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.028708][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.029431][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.030714][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.031954][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.033233][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.034678][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.035778][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.036994][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.038123][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.039386][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.040588][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.041689][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.042733][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.044239][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.044926][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.045670][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.046575][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.047482][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.048462][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.050062][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.051918][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.053168][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.055064][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.056638][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.096901][ T0] Zone ranges: [ 0.097595][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.098528][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.099499][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.100414][ T0] Device empty [ 0.100908][ T0] Movable zone start for each node [ 0.101566][ T0] Early memory node ranges [ 0.102203][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.103357][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.104395][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.105350][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.106376][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.107689][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.109005][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.109175][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.149029][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.496803][ T0] kasan: KernelAddressSanitizer initialized [ 0.499162][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.499963][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.501220][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.502530][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.503531][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.505021][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.506150][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.507192][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.508334][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.509386][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.510488][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.511588][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.512902][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.514282][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.515996][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.517188][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.518654][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.519602][ T0] Booting paravirtualized kernel on KVM [ 0.520588][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.589978][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.592519][ T0] percpu: Embedded 71 pages/cpu s252616 r8192 d30008 u1048576 [ 0.593786][ T0] kvm-guest: PV spinlocks enabled [ 0.594809][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.596274][ T0] Fallback order for Node 0: 0 1 [ 0.597278][ T0] Fallback order for Node 1: 1 0 [ 0.598825][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.600441][ T0] Policy zone: Normal [ 0.601132][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=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 [ 0.620162][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.622838][ T0] random: crng init done [ 0.624477][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.628169][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.630560][ T0] software IO TLB: area num 2. [ 1.518615][ T0] Memory: 6816860K/8388204K available (151552K kernel code, 36214K rwdata, 31544K rodata, 2916K init, 33460K bss, 1571088K reserved, 0K cma-reserved) [ 1.522181][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.525409][ T0] Dynamic Preempt: full [ 1.526841][ T0] Running RCU self tests [ 1.527436][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.528588][ T0] rcu: RCU lockdep checking is enabled. [ 1.529400][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.530442][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.531433][ T0] rcu: RCU debug extended QS entry/exit. [ 1.532212][ T0] All grace periods are expedited (rcu_expedited). [ 1.533154][ T0] Trampoline variant of Tasks RCU enabled. [ 1.533929][ T0] Tracing variant of Tasks RCU enabled. [ 1.534697][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.536099][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.583641][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.585352][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.587704][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.590442][ T0] Console: colour VGA+ 80x25 [ 1.591148][ T0] printk: console [ttyS0] enabled [ 1.591148][ T0] printk: console [ttyS0] enabled [ 1.592692][ T0] printk: bootconsole [earlyser0] disabled [ 1.592692][ T0] printk: bootconsole [earlyser0] disabled [ 1.594656][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.596182][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.597491][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.598616][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.599583][ T0] ... CLASSHASH_SIZE: 4096 [ 1.600393][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.601211][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.602045][ T0] ... CHAINHASH_SIZE: 131072 [ 1.602941][ T0] memory used by lock dependency info: 20657 kB [ 1.604111][ T0] memory used for stack traces: 8320 kB [ 1.605225][ T0] per task-struct memory footprint: 1920 bytes [ 1.606306][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.608122][ T0] ACPI: Core revision 20221020 [ 1.609570][ T0] APIC: Switch to symmetric I/O mode setup [ 1.611200][ T0] x2apic enabled [ 1.614722][ T0] Switched APIC routing to physical x2apic. [ 1.621501][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.623412][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6bcbee19, max_idle_ns: 440795214999 ns [ 1.625547][ T0] Calibrating delay loop (skipped) preset value.. 4400.29 BogoMIPS (lpj=22001460) [ 1.627263][ T0] pid_max: default: 32768 minimum: 301 [ 1.628572][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,integrity,tomoyo,apparmor,bpf [ 1.635635][ T0] landlock: Up and running. [ 1.636355][ T0] Yama: becoming mindful. [ 1.637383][ T0] TOMOYO Linux initialized [ 1.639151][ T0] AppArmor: AppArmor initialized [ 1.640249][ T0] LSM support for eBPF active [ 1.645906][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.649227][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.650962][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.652261][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.656622][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.657506][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.658441][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.659757][ T0] Spectre V2 : Mitigation: IBRS [ 1.660434][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.661964][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.663208][ T0] RETBleed: Mitigation: IBRS [ 1.664015][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.665353][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.665591][ T0] MDS: Mitigation: Clear CPU buffers [ 1.666349][ T0] TAA: Mitigation: Clear CPU buffers [ 1.667089][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.682283][ T0] Freeing SMP alternatives memory: 116K [ 1.803891][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.805530][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.805530][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.805530][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.805530][ T1] Running RCU-tasks wait API self tests [ 1.905929][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.908511][ T1] rcu: Hierarchical SRCU implementation. [ 1.909490][ T1] rcu: Max phase no-delay instances is 1000. [ 1.914847][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.916255][ T1] smp: Bringing up secondary CPUs ... [ 1.919230][ T1] x86: Booting SMP configuration: [ 1.920053][ T1] .... node #0, CPUs: #1 [ 1.921906][ 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. [ 1.921906][ 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. [ 1.925685][ 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. [ 1.928321][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.929120][ T1] smpboot: Max logical packages: 1 [ 1.929869][ T1] smpboot: Total of 2 processors activated (8800.58 BogoMIPS) [ 1.945660][ T13] Callback from call_rcu_tasks_trace() invoked. [ 1.968835][ T1] allocated 134217728 bytes of page_ext [ 1.970329][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.991715][ T1] Node 0, zone DMA32: page owner found early allocated 19810 pages [ 2.006330][ T1] Node 0, zone Normal: page owner found early allocated 468 pages [ 2.022523][ T1] Node 1, zone Normal: page owner found early allocated 18867 pages [ 2.025933][ T1] devtmpfs: initialized [ 2.027431][ T1] x86/mm: Memory block size: 128MB [ 2.069435][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.075549][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.075549][ T1] PM: RTC time: 03:40:50, date: 2023-02-09 [ 2.087850][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.094849][ T1] audit: initializing netlink subsys (disabled) [ 2.105623][ T27] audit: type=2000 audit(1675914050.453:1): state=initialized audit_enabled=0 res=1 [ 2.105554][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.105554][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.105554][ T1] cpuidle: using governor menu [ 2.105554][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.105554][ T1] usercopy: Kernel memory overwrite attempt detected to SLUB object 'skbuff_small_head' (offset 32, size 20)! [ 2.105637][ T1] ------------[ cut here ]------------ [ 2.106430][ T1] kernel BUG at mm/usercopy.c:102! [ 2.107135][ T1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 2.108133][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.2.0-rc6-syzkaller-01475-g7eadc0a01345 #0 [ 2.109604][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 2.111122][ T1] RIP: 0010:usercopy_abort+0xbd/0xbf [ 2.112024][ T1] Code: e8 ee 8d ba f7 49 89 d9 4d 89 e8 4c 89 e1 41 56 48 89 ee 48 c7 c7 20 2b 5b 8a ff 74 24 08 41 57 48 8b 54 24 20 e8 7a 17 fe ff <0f> 0b e8 c2 8d ba f7 e8 7d db 08 f8 48 8b 0c 24 49 89 d8 44 89 ea [ 2.115017][ T1] RSP: 0000:ffffc90000067a48 EFLAGS: 00010286 [ 2.115530][ T1] RAX: 000000000000006b RBX: ffffffff8b5b6ea0 RCX: 0000000000000000 [ 2.115530][ T1] RDX: ffff88813ff58000 RSI: ffffffff8166195c RDI: fffff5200000cf3b [ 2.115530][ T1] RBP: ffffffff8a5b2a60 R08: 000000000000006b R09: 0000000000000000 [ 2.115530][ T1] R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8bf2ab1d [ 2.115530][ T1] R13: ffffffff8a5b29a0 R14: 0000000000000014 R15: ffffffff8a5b2960 [ 2.115530][ T1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 2.115530][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.115530][ T1] CR2: 0000000000000000 CR3: 000000000c48e000 CR4: 00000000003506e0 [ 2.115530][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.115530][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.115530][ T1] Call Trace: [ 2.115530][ T1] [ 2.115530][ T1] __check_heap_object+0xdd/0x110 [ 2.115530][ T1] __check_object_size+0x1da/0x5a0 [ 2.115530][ T1] qrtr_sendmsg+0x65f/0x970 [ 2.115530][ T1] ? qrtr_endpoint_unregister+0x560/0x560 [ 2.115530][ T1] ? qrtr_bind+0x250/0x250 [ 2.115530][ T1] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 2.115530][ T1] ? qrtr_bind+0x250/0x250 [ 2.115530][ T1] sock_sendmsg+0xde/0x190 [ 2.115530][ T1] ? hsr_netlink_init+0x72/0x72 [ 2.115530][ T1] say_hello+0xf6/0x170 [ 2.115530][ T1] ? lookup_notify+0x280/0x280 [ 2.115530][ T1] ? qrtr_bind+0x1d0/0x250 [ 2.115530][ T1] ? rwlock_bug.part.0+0x90/0x90 [ 2.115530][ T1] ? __local_bh_enable_ip+0xa4/0x130 [ 2.115530][ T1] ? qrtr_bind+0x1d5/0x250 [ 2.115530][ T1] qrtr_ns_init+0x220/0x2b0 [ 2.115530][ T1] ? say_hello+0x170/0x170 [ 2.115530][ T1] qrtr_proto_init+0x59/0x95 [ 2.115530][ T1] do_one_initcall+0x141/0x790 [ 2.115530][ T1] ? trace_event_raw_event_initcall_level+0x200/0x200 [ 2.115530][ T1] ? parameq+0xa0/0x170 [ 2.115530][ T1] kernel_init_freeable+0x6f9/0x782 [ 2.115530][ T1] ? rest_init+0x270/0x270 [ 2.115530][ T1] kernel_init+0x1e/0x1d0 [ 2.115530][ T1] ? rest_init+0x270/0x270 [ 2.115530][ T1] ret_from_fork+0x1f/0x30 [ 2.115530][ T1] [ 2.115530][ T1] Modules linked in: [ 2.160796][ T1] ---[ end trace 0000000000000000 ]--- [ 2.160824][ T12] Callback from call_rcu_tasks() invoked. [ 2.160796][ T1] RIP: 0010:usercopy_abort+0xbd/0xbf [ 2.163198][ T1] Code: e8 ee 8d ba f7 49 89 d9 4d 89 e8 4c 89 e1 41 56 48 89 ee 48 c7 c7 20 2b 5b 8a ff 74 24 08 41 57 48 8b 54 24 20 e8 7a 17 fe ff <0f> 0b e8 c2 8d ba f7 e8 7d db 08 f8 48 8b 0c 24 49 89 d8 44 89 ea [ 2.163198][ T1] RSP: 0000:ffffc90000067a48 EFLAGS: 00010286 [ 2.163198][ T1] RAX: 000000000000006b RBX: ffffffff8b5b6ea0 RCX: 0000000000000000 [ 2.163198][ T1] RDX: ffff88813ff58000 RSI: ffffffff8166195c RDI: fffff5200000cf3b [ 2.163319][ T1] RBP: ffffffff8a5b2a60 R08: 000000000000006b R09: 0000000000000000 [ 2.164525][ T1] R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8bf2ab1d [ 2.165537][ T1] R13: ffffffff8a5b29a0 R14: 0000000000000014 R15: ffffffff8a5b2960 [ 2.166697][ T1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 2.168520][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.169588][ T1] CR2: 0000000000000000 CR3: 000000000c48e000 CR4: 00000000003506e0 [ 2.170921][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.172278][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.173460][ T1] Kernel panic - not syncing: Fatal exception [ 2.174475][ T1] Rebooting in 86400 seconds..