failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.40" "pwd"]: exit status 255 ssh: connect to host 10.128.1.40 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-0 port 1 (session ID: d0d40199e097f60a8a690b8eb1a70db6ffba0c09198476ea2cc05dac62fb462e, 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 99cf6481-913a-f8b3-88a8-0e052a788a13 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 0x000f2750: 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 5.17.0-rc7-next-20220309-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 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 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000007][ T0] kvm-clock: using sched offset of 3611649679 cycles [ 0.001024][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004394][ T0] tsc: Detected 2200.256 MHz processor [ 0.010416][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.011909][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.013589][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.021712][ T0] found SMP MP-table at [mem 0x000f2a10-0x000f2a1f] [ 0.022888][ T0] Using GB pages for direct mapping [ 0.025419][ T0] ACPI: Early table checksum verification disabled [ 0.026760][ T0] ACPI: RSDP 0x00000000000F2790 000014 (v00 Google) [ 0.027820][ T0] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.029189][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.030893][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.032487][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.033559][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.034549][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.036307][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.037843][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.039257][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.040963][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.042320][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.043638][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.045625][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.047039][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.048552][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.049995][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.051339][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.052969][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.054279][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.055308][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.056342][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.057456][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.058636][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.060641][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.062829][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.064220][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.066343][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.068390][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.108196][ T0] Zone ranges: [ 0.108828][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.110434][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.112294][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.114133][ T0] Device empty [ 0.114712][ T0] Movable zone start for each node [ 0.115474][ T0] Early memory node ranges [ 0.116249][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.117795][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.119141][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.120489][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.121638][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.123828][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.125319][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.125473][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.165017][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.522036][ T0] kasan: KernelAddressSanitizer initialized [ 0.525936][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.527041][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.528440][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.529963][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.531053][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.532241][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.533902][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.535248][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.536413][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.537711][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.539312][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.540712][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.542020][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.543460][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.545078][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.546938][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.548520][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.549972][ T0] Booting paravirtualized kernel on KVM [ 0.551086][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.620162][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.622613][ T0] percpu: Embedded 69 pages/cpu s243784 r8192 d30648 u1048576 [ 0.624530][ T0] kvm-guest: PV spinlocks enabled [ 0.625745][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.627125][ T0] Fallback order for Node 0: 0 1 [ 0.627916][ T0] Fallback order for Node 1: 1 0 [ 0.629296][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.631142][ T0] Policy zone: Normal [ 0.632001][ 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 root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 dummy_hcd.num=8 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.652975][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.656320][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.657808][ T0] Stack Depot allocating hash table with memblock_alloc [ 1.616246][ T0] Memory: 6842036K/8388204K available (141341K kernel code, 34310K rwdata, 29808K rodata, 2696K init, 24648K bss, 1545912K reserved, 0K cma-reserved) [ 1.621455][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.624925][ T0] Dynamic Preempt: full [ 1.626218][ T0] Running RCU self tests [ 1.627154][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.628392][ T0] rcu: RCU lockdep checking is enabled. [ 1.630509][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.631989][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.633195][ T0] rcu: RCU debug extended QS entry/exit. [ 1.634098][ T0] All grace periods are expedited (rcu_expedited). [ 1.635448][ T0] Trampoline variant of Tasks RCU enabled. [ 1.636836][ T0] Tracing variant of Tasks RCU enabled. [ 1.638572][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.640569][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.682200][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.684774][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.686694][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.688847][ T0] random: crng init done (trusting CPU's manufacturer) [ 1.691595][ T0] Console: colour VGA+ 80x25 [ 1.692620][ T0] printk: console [ttyS0] enabled [ 1.692620][ T0] printk: console [ttyS0] enabled [ 1.695326][ T0] printk: bootconsole [earlyser0] disabled [ 1.695326][ T0] printk: bootconsole [earlyser0] disabled [ 1.698297][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.700511][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.701641][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.703051][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.704083][ T0] ... CLASSHASH_SIZE: 4096 [ 1.705441][ T0] ... MAX_LOCKDEP_ENTRIES: 65536 [ 1.706515][ T0] ... MAX_LOCKDEP_CHAINS: 131072 [ 1.708099][ T0] ... CHAINHASH_SIZE: 65536 [ 1.709395][ T0] memory used by lock dependency info: 11129 kB [ 1.711589][ T0] memory used for stack traces: 8320 kB [ 1.712757][ T0] per task-struct memory footprint: 1920 bytes [ 1.714230][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.717068][ T0] ACPI: Core revision 20211217 [ 1.718665][ T0] APIC: Switch to symmetric I/O mode setup [ 1.726165][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.736133][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb7249e279, max_idle_ns: 440795225532 ns [ 1.738339][ T0] Calibrating delay loop (skipped) preset value.. 4400.51 BogoMIPS (lpj=22002560) [ 1.748340][ T0] pid_max: default: 32768 minimum: 301 [ 1.750213][ T0] LSM: Security Framework initializing [ 1.752263][ T0] landlock: Up and running. [ 1.753528][ T0] Yama: becoming mindful. [ 1.754899][ T0] TOMOYO Linux initialized [ 1.758597][ T0] AppArmor: AppArmor initialized [ 1.759602][ T0] LSM support for eBPF active [ 1.765563][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.770236][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.772386][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.774136][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.780510][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.781949][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.783198][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.785131][ T0] Spectre V2 : Kernel not compiled with retpoline; no mitigation available! [ 1.785142][ T0] Spectre V2 : Vulnerable [ 1.787994][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.788362][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.790231][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.792802][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.794488][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.798366][ T0] TAA: Mitigation: Clear CPU buffers [ 1.799654][ T0] MDS: Mitigation: Clear CPU buffers [ 1.802623][ T0] Freeing SMP alternatives memory: 108K [ 1.804693][ T2] [ 1.805360][ T2] ============================= [ 1.806372][ T2] WARNING: suspicious RCU usage [ 1.807199][ T2] 5.17.0-rc7-next-20220309-syzkaller #0 Not tainted [ 1.808324][ T2] ----------------------------- [ 1.808324][ T2] include/linux/cgroup.h:494 suspicious rcu_dereference_check() usage! [ 1.808324][ T2] [ 1.808324][ T2] other info that might help us debug this: [ 1.808324][ T2] [ 1.808324][ T2] [ 1.808324][ T2] rcu_scheduler_active = 1, debug_locks = 1 [ 1.808324][ T2] 2 locks held by kthreadd/2: [ 1.808324][ T2] #0: ffff8881401726e0 (&p->pi_lock){....}-{2:2}, at: task_rq_lock+0x63/0x360 [ 1.808324][ T2] #1: ffff8880b9c39f98 (&rq->__lock){-...}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 1.808324][ T2] [ 1.808324][ T2] stack backtrace: [ 1.808324][ T2] CPU: 0 PID: 2 Comm: kthreadd Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 1.808324][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.808324][ T2] Call Trace: [ 1.808324][ T2] [ 1.808324][ T2] dump_stack_lvl+0xcd/0x134 [ 1.808324][ T2] cpuacct_charge+0x2af/0x3c0 [ 1.808324][ T2] update_curr+0x37b/0x830 [ 1.808324][ T2] dequeue_entity+0x23/0xfd0 [ 1.808324][ T2] dequeue_task_fair+0x238/0xea0 [ 1.808324][ T2] __do_set_cpus_allowed+0x186/0x960 [ 1.808324][ T2] __set_cpus_allowed_ptr_locked+0x2ba/0x4e0 [ 1.808324][ T2] ? lock_downgrade+0x6e0/0x6e0 [ 1.808324][ T2] set_cpus_allowed_ptr+0x78/0xa0 [ 1.808324][ T2] ? __set_cpus_allowed_ptr_locked+0x4e0/0x4e0 [ 1.808324][ T2] ? lockdep_hardirqs_on+0x79/0x100 [ 1.808324][ T2] ? kthread_is_per_cpu+0xf0/0xf0 [ 1.808324][ T2] kthreadd+0x44/0x750 [ 1.808324][ T2] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1.808324][ T2] ? kthread_is_per_cpu+0xf0/0xf0 [ 1.808324][ T2] ret_from_fork+0x1f/0x30 [ 1.808324][ T2] [ 1.808324][ T2] [ 1.808324][ T2] ============================= [ 1.808324][ T2] WARNING: suspicious RCU usage [ 1.808324][ T2] 5.17.0-rc7-next-20220309-syzkaller #0 Not tainted [ 1.808324][ T2] ----------------------------- [ 1.808324][ T2] include/linux/cgroup.h:481 suspicious rcu_dereference_check() usage! [ 1.808324][ T2] [ 1.808324][ T2] other info that might help us debug this: [ 1.808324][ T2] [ 1.808324][ T2] [ 1.808324][ T2] rcu_scheduler_active = 1, debug_locks = 1 [ 1.808324][ T2] 2 locks held by kthreadd/2: [ 1.808324][ T2] #0: ffff8881401726e0 (&p->pi_lock){....}-{2:2}, at: task_rq_lock+0x63/0x360 [ 1.808324][ T2] #1: ffff8880b9c39f98 (&rq->__lock){-...}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 1.808324][ T2] [ 1.808324][ T2] stack backtrace: [ 1.808324][ T2] CPU: 0 PID: 2 Comm: kthreadd Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 1.808324][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.808324][ T2] Call Trace: [ 1.808324][ T2] [ 1.808324][ T2] dump_stack_lvl+0xcd/0x134 [ 1.808324][ T2] update_curr+0x671/0x830 [ 1.808324][ T2] dequeue_entity+0x23/0xfd0 [ 1.808324][ T2] dequeue_task_fair+0x238/0xea0 [ 1.808324][ T2] __do_set_cpus_allowed+0x186/0x960 [ 1.808324][ T2] __set_cpus_allowed_ptr_locked+0x2ba/0x4e0 [ 1.808324][ T2] ? lock_downgrade+0x6e0/0x6e0 [ 1.808324][ T2] set_cpus_allowed_ptr+0x78/0xa0 [ 1.808324][ T2] ? __set_cpus_allowed_ptr_locked+0x4e0/0x4e0 [ 1.808324][ T2] ? lockdep_hardirqs_on+0x79/0x100 [ 1.808324][ T2] ? kthread_is_per_cpu+0xf0/0xf0 [ 1.808324][ T2] kthreadd+0x44/0x750 [ 1.808324][ T2] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1.808324][ T2] ? kthread_is_per_cpu+0xf0/0xf0 [ 1.808324][ T2] ret_from_fork+0x1f/0x30 [ 1.808324][ T2] [ 1.808350][ T1] [ 1.808819][ T1] ============================= [ 1.809826][ T1] WARNING: suspicious RCU usage [ 1.810780][ T1] 5.17.0-rc7-next-20220309-syzkaller #0 Not tainted [ 1.812026][ T1] ----------------------------- [ 1.813126][ T1] include/linux/cgroup.h:481 suspicious rcu_dereference_check() usage! [ 1.814716][ T1] [ 1.814716][ T1] other info that might help us debug this: [ 1.814716][ T1] [ 1.817415][ T1] [ 1.817415][ T1] rcu_scheduler_active = 1, debug_locks = 1 [ 1.818324][ T1] 1 lock held by swapper/0/1: [ 1.818324][ T1] #0: ffff888140172468 (&p->vtime.seqcount){....}-{0:0}, at: finish_task_switch.isra.0+0x6cf/0xb80 [ 1.818324][ T1] [ 1.818324][ T1] stack backtrace: [ 1.818324][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 1.818324][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.818324][ T1] Call Trace: [ 1.818324][ T1] [ 1.818324][ T1] dump_stack_lvl+0xcd/0x134 [ 1.818324][ T1] account_system_index_time+0x258/0x2d0 [ 1.818324][ T1] vtime_account_system+0x368/0x530 [ 1.818324][ T1] vtime_task_switch_generic+0xfa/0x5a0 [ 1.818324][ T1] ? rest_init+0x3e0/0x3e0 [ 1.818324][ T1] finish_task_switch.isra.0+0x6cf/0xb80 [ 1.818324][ T1] ? rest_init+0x3e0/0x3e0 [ 1.818324][ T1] schedule_tail+0x7/0xd0 [ 1.818324][ T1] ? rest_init+0x3e0/0x3e0 [ 1.818324][ T1] ret_from_fork+0x8/0x30 [ 1.818324][ T1] [ 1.946723][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.948324][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.948324][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.948324][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.948582][ T1] Running RCU-tasks wait API self tests [ 2.058610][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 2.061537][ T1] rcu: Hierarchical SRCU implementation. [ 2.063234][ T17] [ 2.063768][ T17] ============================= [ 2.064781][ T17] WARNING: suspicious RCU usage [ 2.066153][ T17] 5.17.0-rc7-next-20220309-syzkaller #0 Not tainted [ 2.067557][ T17] ----------------------------- [ 2.068324][ T17] include/linux/cgroup.h:481 suspicious rcu_dereference_check() usage! [ 2.068324][ T17] [ 2.068324][ T17] other info that might help us debug this: [ 2.068324][ T17] [ 2.068324][ T17] [ 2.068324][ T17] rcu_scheduler_active = 1, debug_locks = 1 [ 2.068324][ T17] 1 lock held by migration/0/17: [ 2.068324][ T17] #0: ffff8880b9c39f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 2.068324][ T17] [ 2.068324][ T17] stack backtrace: [ 2.068324][ T17] CPU: 0 PID: 17 Comm: migration/0 Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 2.068324][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2.068324][ T17] Stopper: 0x0 <- 0x0 [ 2.068324][ T17] Call Trace: [ 2.068324][ T17] [ 2.068324][ T17] dump_stack_lvl+0xcd/0x134 [ 2.068324][ T17] put_prev_task_stop+0x461/0x630 [ 2.068324][ T17] ? put_prev_task_balance+0x83/0x130 [ 2.068324][ T17] ? schedule+0xd2/0x1f0 [ 2.068324][ T17] __schedule+0x320f/0x4920 [ 2.068324][ T17] ? find_held_lock+0x2d/0x110 [ 2.068324][ T17] ? lock_downgrade+0x6e0/0x6e0 [ 2.068324][ T17] ? io_schedule_timeout+0x140/0x140 [ 2.068324][ T17] ? ikconfig_read_current+0x40/0x40 [ 2.068324][ T17] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 2.068324][ T17] ? ikconfig_read_current+0x40/0x40 [ 2.068324][ T17] schedule+0xd2/0x1f0 [ 2.068324][ T17] smpboot_thread_fn+0x2eb/0x9c0 [ 2.068324][ T17] ? sort_range+0x30/0x30 [ 2.068324][ T17] kthread+0x2e9/0x3a0 [ 2.068324][ T17] ? kthread_complete_and_exit+0x40/0x40 [ 2.068324][ T17] ret_from_fork+0x1f/0x30 [ 2.068324][ T17] [ 2.072338][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.074684][ T1] smp: Bringing up secondary CPUs ... [ 2.077243][ T1] x86: Booting SMP configuration: [ 2.078450][ T1] .... node #0, CPUs: #1 [ 2.080573][ 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. [ 2.081793][ 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. [ 2.088554][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.089407][ T1] smpboot: Max logical packages: 1 [ 2.090141][ T1] smpboot: Total of 2 processors activated (8801.02 BogoMIPS) [ 2.098415][ T13] Callback from call_rcu_tasks_trace() invoked. [ 2.133971][ T1] allocated 134217728 bytes of page_ext [ 2.135211][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.148351][ T1] Node 0, zone DMA32: page owner found early allocated 19121 pages [ 2.165473][ T1] Node 0, zone Normal: page owner found early allocated 100 pages [ 2.174184][ T1] Node 1, zone Normal: page owner found early allocated 19106 pages [ 2.176705][ T1] devtmpfs: initialized [ 2.176705][ T1] x86/mm: Memory block size: 128MB [ 2.213280][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.218344][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.221214][ T1] PM: RTC time: 12:00:37, date: 2022-03-09 [ 2.230451][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.237301][ T1] audit: initializing netlink subsys (disabled) [ 2.238717][ T27] audit: type=2000 audit(1646827237.090:1): state=initialized audit_enabled=0 res=1 [ 2.242095][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.242112][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.244506][ T1] cpuidle: using governor menu [ 2.246870][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.254071][ T1] PCI: Using configuration type 1 for base access [ 2.278981][ T12] Callback from call_rcu_tasks() invoked. [ 2.449204][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.450627][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.458360][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.470218][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.471719][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.471719][ T1] raid6: using avx2x2 recovery algorithm [ 2.472767][ T1] ACPI: Added _OSI(Module Device) [ 2.478357][ T1] ACPI: Added _OSI(Processor Device) [ 2.479172][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.480300][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.481723][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.482604][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.484256][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.540958][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.568864][ T1] ACPI: Interpreter enabled [ 2.570061][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.571192][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.572299][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.577382][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.654504][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.656169][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.658023][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.658799][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.668779][ T1] PCI host bridge to bus 0000:00 [ 2.677977][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.678353][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.679416][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.680605][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.681860][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.683228][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.684443][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.690643][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.710570][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.731270][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.734712][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.743025][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.748352][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.767205][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.780734][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.788344][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.805485][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.817203][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.845751][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.851210][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.860021][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.867265][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 2.889039][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 2.898181][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.903499][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 2.936610][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.941933][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.946837][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.951847][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.955813][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.965353][ T1] iommu: Default domain type: Translated [ 2.965353][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.971073][ T1] SCSI subsystem initialized [ 2.972115][ T1] ACPI: bus type USB registered [ 2.972115][ T1] usbcore: registered new interface driver usbfs [ 2.972115][ T1] usbcore: registered new interface driver hub [ 2.972569][ T1] usbcore: registered new device driver usb [ 2.974165][ T1] mc: Linux media interface: v0.10 [ 2.978512][ T1] videodev: Linux video capture interface: v2.00 [ 2.979873][ T1] pps_core: LinuxPPS API ver. 1 registered [ 2.980728][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.982149][ T1] PTP clock support registered [ 2.983773][ T1] EDAC MC: Ver: 3.0.0 [ 2.989744][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 2.990983][ T1] Bluetooth: Core ver 2.22 [ 2.992035][ T1] NET: Registered PF_BLUETOOTH protocol family [ 2.993469][ T1] Bluetooth: HCI device and connection manager initialized [ 2.995075][ T1] Bluetooth: HCI socket layer initialized [ 2.995912][ T1] Bluetooth: L2CAP socket layer initialized [ 2.997322][ T1] Bluetooth: SCO socket layer initialized [ 2.998397][ T1] NET: Registered PF_ATMPVC protocol family [ 2.999382][ T1] NET: Registered PF_ATMSVC protocol family [ 3.000525][ T1] NetLabel: Initializing [ 3.002364][ T1] NetLabel: domain hash size = 128 [ 3.003678][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.005916][ T1] NetLabel: unlabeled traffic allowed by default [ 3.009553][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.010913][ T1] NET: Registered PF_NFC protocol family [ 3.012305][ T1] PCI: Using ACPI for IRQ routing [ 3.014093][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.015472][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.016576][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.018284][ T1] vgaarb: loaded [ 3.023119][ T1] clocksource: Switched to clocksource kvm-clock [ 3.601251][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.602578][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.605171][ T1] FS-Cache: Loaded [ 3.607223][ T1] CacheFiles: Loaded [ 3.608838][ T1] TOMOYO: 2.6.0 [ 3.609901][ T1] Mandatory Access Control activated. [ 3.614133][ T1] AppArmor: AppArmor Filesystem Enabled [ 3.616036][ T1] pnp: PnP ACPI init [ 3.637382][ T1] pnp: PnP ACPI: found 7 devices [ 3.686834][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.690406][ T1] NET: Registered PF_INET protocol family [ 3.695292][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.704975][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 3.709204][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.716814][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage) [ 3.724405][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.729187][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 3.733837][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.737640][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.740741][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.744170][ T1] RPC: Registered named UNIX socket transport module. [ 3.745480][ T1] RPC: Registered udp transport module. [ 3.746499][ T1] RPC: Registered tcp transport module. [ 3.747546][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.752129][ T1] NET: Registered PF_XDP protocol family [ 3.753169][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.754241][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.755361][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.756541][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 3.758937][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.760309][ T1] PCI: CLS 0 bytes, default 64 [ 3.761244][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.762610][ T1] software IO TLB: mapped [mem 0x00000000b5c00000-0x00000000b9c00000] (64MB) [ 3.764696][ T1] ACPI: bus type thunderbolt registered [ 3.775641][ T56] kworker/u4:2 (56) used greatest stack depth: 27744 bytes left [ 3.778603][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.813279][ T1] kvm: already loaded vendor module 'kvm_intel' [ 3.814397][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb7249e279, max_idle_ns: 440795225532 ns [ 3.816866][ T1] clocksource: Switched to clocksource tsc [ 6.944189][ T1] Initialise system trusted keyrings [ 6.946597][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.988817][ T1] zbud: loaded [ 6.998754][ T1] DLM installed [ 7.005919][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 7.018526][ T1] NFS: Registering the id_resolver key type [ 7.019552][ T1] Key type id_resolver registered [ 7.020338][ T1] Key type id_legacy registered [ 7.021499][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 7.022680][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 7.023829][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 7.033140][ T1] Key type cifs.spnego registered [ 7.034059][ T1] Key type cifs.idmap registered [ 7.035254][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 7.037551][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 7.038800][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 7.043655][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 7.045567][ T1] QNX4 filesystem 0.2.3 registered. [ 7.046727][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 7.049998][ T1] fuse: init (API version 7.36) [ 7.055797][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 7.058251][ T1] orangefs_init: module version upstream loaded [ 7.061404][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 7.073637][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 7.089303][ T1] 9p: Installing v9fs 9p2000 file system support [ 7.091937][ T1] NILFS version 2 loaded [ 7.092819][ T1] befs: version: 0.9.3 [ 7.095172][ T1] ocfs2: Registered cluster interface o2cb [ 7.096778][ T1] ocfs2: Registered cluster interface user [ 7.097760][ T127] kworker/u4:0 (127) used greatest stack depth: 27256 bytes left [ 7.099499][ T1] OCFS2 User DLM kernel interface loaded [ 7.111838][ T1] gfs2: GFS2 installed [ 7.125897][ T1] ceph: loaded (mds proto 32) [ 7.139644][ T1] NET: Registered PF_ALG protocol family [ 7.140661][ T1] xor: automatically using best checksumming function avx [ 7.141757][ T1] async_tx: api initialized (async) [ 7.142510][ T1] Key type asymmetric registered [ 7.143263][ T1] Asymmetric key parser 'x509' registered [ 7.145813][ T1] Asymmetric key parser 'pkcs8' registered [ 7.146725][ T1] Key type pkcs7_test registered [ 7.151327][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 7.152748][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 7.154728][ T1] io scheduler mq-deadline registered [ 7.155637][ T1] io scheduler kyber registered [ 7.157040][ T1] io scheduler bfq registered [ 7.183515][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.187720][ T1] ACPI: button: Power Button [PWRF] [ 7.190662][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.192935][ T1] ACPI: button: Sleep Button [SLPF] [ 7.222063][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 7.223037][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.242812][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 7.244533][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.266401][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 7.267842][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 7.279489][ T195] kworker/u4:1 (195) used greatest stack depth: 27056 bytes left [ 7.286405][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.335670][ T225] kworker/u4:0 (225) used greatest stack depth: 26736 bytes left [ 7.725182][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.726686][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.730696][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.737746][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.743991][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.754145][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.774011][ T1] Non-volatile memory driver v1.3 [ 7.792378][ T1] Linux agpgart interface v0.103 [ 7.797977][ T1] ACPI: bus type drm_connector registered [ 7.803389][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.811312][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 7.872627][ T1] Console: switching to colour frame buffer device 128x48 [ 7.890777][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 7.892061][ T1] usbcore: registered new interface driver udl [ 7.953473][ T1] brd: module loaded [ 8.021061][ T1] loop: module loaded [ 8.112529][ T1] zram: Added device: zram0 [ 8.119873][ T1] null_blk: module loaded [ 8.120872][ T1] Guest personality initialized and is inactive [ 8.122269][ T1] VMCI host device registered (name=vmci, major=10, minor=120) [ 8.123450][ T1] Initialized host personality [ 8.124296][ T1] usbcore: registered new interface driver rtsx_usb [ 8.126286][ T1] usbcore: registered new interface driver viperboard [ 8.128193][ T1] usbcore: registered new interface driver dln2 [ 8.131146][ T1] usbcore: registered new interface driver pn533_usb [ 8.136390][ T1] nfcsim 0.2 initialized [ 8.137441][ T1] usbcore: registered new interface driver port100 [ 8.139351][ T1] usbcore: registered new interface driver nfcmrvl [ 8.144539][ T1] Loading iSCSI transport class v2.0-870. [ 8.185411][ T1] scsi host0: Virtio SCSI HBA [ 8.231898][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 8.236291][ T943] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 8.265995][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 8.269249][ T1] db_root: cannot open: /etc/target [ 8.271832][ T1] slram: not enough parameters. [ 8.280080][ T1] ftl_cs: FTL header not found. [ 8.323866][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 8.326106][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 8.332070][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 8.343322][ T1] MACsec IEEE 802.1AE [ 8.374358][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 8.457376][ T1] general protection fault, probably for non-canonical address 0xffff000000000800: 0000 [#1] PREEMPT SMP KASAN [ 8.459396][ T1] KASAN: maybe wild-memory-access in range [0xfff8200000004000-0xfff8200000004007] [ 8.461188][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 8.462664][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 8.464460][ T1] RIP: 0010:kmem_cache_alloc_trace+0x164/0x3f0 [ 8.465509][ T1] Code: 8b 51 08 48 8b 01 48 83 79 10 00 48 89 44 24 08 0f 84 ac 01 00 00 48 85 c0 0f 84 a3 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 af 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 [ 8.466254][ T1] RSP: 0000:ffffc90000067ce8 EFLAGS: 00010246 [ 8.466254][ T1] RAX: ffff000000000000 RBX: 0000000000000000 RCX: 0000000000000800 [ 8.466254][ T1] RDX: 00000000000011f0 RSI: 0000000000000400 RDI: 000000000003dc60 [ 8.466254][ T1] RBP: ffff888010c42140 R08: 0000000000000000 R09: 0000000000000000 [ 8.466254][ T1] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 8.466254][ T1] R13: 0000000000000dc0 R14: 0000000000000a20 R15: 0000000000000dc0 [ 8.466254][ T1] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 8.466254][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.466254][ T1] CR2: ffff88823ffff000 CR3: 000000000ba8e000 CR4: 00000000003506f0 [ 8.466254][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8.466254][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8.466254][ T1] Call Trace: [ 8.466254][ T1] [ 8.466254][ T1] ? kobject_uevent_env+0x235/0x1660 [ 8.466254][ T1] kobject_uevent_env+0x235/0x1660 [ 8.466254][ T1] ? driver_create_file+0x50/0x70 [ 8.466254][ T1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 8.466254][ T1] ? bus_add_driver+0x3a4/0x630 [ 8.466254][ T1] driver_register+0x2db/0x3a0 [ 8.466254][ T1] ? veth_init+0x11/0x11 [ 8.466254][ T1] virtio_net_driver_init+0x93/0xd2 [ 8.466254][ T1] do_one_initcall+0x103/0x650 [ 8.466254][ T1] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 8.466254][ T1] ? parameq+0x90/0x170 [ 8.466254][ T1] kernel_init_freeable+0x6b1/0x73a [ 8.466254][ T1] ? rest_init+0x3e0/0x3e0 [ 8.466254][ T1] kernel_init+0x1a/0x1d0 [ 8.466254][ T1] ? rest_init+0x3e0/0x3e0 [ 8.466254][ T1] ret_from_fork+0x1f/0x30 [ 8.466254][ T1] [ 8.466254][ T1] Modules linked in: [ 8.505749][ C0] vkms_vblank_simulate: vblank timer overrun [ 8.506935][ T1] ---[ end trace 0000000000000000 ]--- [ 8.507793][ T1] RIP: 0010:kmem_cache_alloc_trace+0x164/0x3f0 [ 8.508760][ T1] Code: 8b 51 08 48 8b 01 48 83 79 10 00 48 89 44 24 08 0f 84 ac 01 00 00 48 85 c0 0f 84 a3 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 af 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 [ 8.511955][ T1] RSP: 0000:ffffc90000067ce8 EFLAGS: 00010246 [ 8.513141][ T1] RAX: ffff000000000000 RBX: 0000000000000000 RCX: 0000000000000800 [ 8.514416][ T1] RDX: 00000000000011f0 RSI: 0000000000000400 RDI: 000000000003dc60 [ 8.516044][ T1] RBP: ffff888010c42140 R08: 0000000000000000 R09: 0000000000000000 [ 8.517696][ T1] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 8.519247][ T1] R13: 0000000000000dc0 R14: 0000000000000a20 R15: 0000000000000dc0 [ 8.520800][ T1] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 8.523245][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.524491][ T1] CR2: ffff88823ffff000 CR3: 000000000ba8e000 CR4: 00000000003506f0 [ 8.525986][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8.527606][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8.529956][ T1] Kernel panic - not syncing: Fatal exception [ 8.531777][ T1] Kernel Offset: disabled [ 8.532797][ T1] Rebooting in 86400 seconds..