general protection fault in rcu_core general protection fault, probably for non-canonical address 0xffff000000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfff8200000000000-0xfff8200000000007] CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:rcu_do_batch kernel/rcu/tree.c:2245 [inline] RIP: 0010:rcu_core+0x7af/0x1780 kernel/rcu/tree.c:2505 Code: 07 f3 f7 ff 49 8d 7f 08 5e 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 f8 0b 00 00 49 8b 47 08 4c 89 ff 49 c7 47 08 00 00 00 00 d0 48 c7 c6 f0 2f 32 81 48 c7 c7 c0 4e a9 87 e8 4c eb f7 ff 65 RSP: 0000:ffffc9000014fd58 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000000 RCX: 603ad66270707a3c RDX: 1ffff1102006cbee RSI: ffffffff81322f8d RDI: ffff88810e68b0a8 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8b0766df R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 R13: ffffc9000014fdc8 R14: 0000000000000000 R15: ffff88810e68b0a8 FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __do_softirq+0x1c0/0x9a9 kernel/softirq.c:571 run_ksoftirqd kernel/softirq.c:934 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:rcu_do_batch kernel/rcu/tree.c:2245 [inline] RIP: 0010:rcu_core+0x7af/0x1780 kernel/rcu/tree.c:2505 Code: 07 f3 f7 ff 49 8d 7f 08 5e 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 f8 0b 00 00 49 8b 47 08 4c 89 ff 49 c7 47 08 00 00 00 00 d0 48 c7 c6 f0 2f 32 81 48 c7 c7 c0 4e a9 87 e8 4c eb f7 ff 65 RSP: 0000:ffffc9000014fd58 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000000 RCX: 603ad66270707a3c RDX: 1ffff1102006cbee RSI: ffffffff81322f8d RDI: ffff88810e68b0a8 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8b0766df R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 R13: ffffc9000014fdc8 R14: 0000000000000000 R15: ffff88810e68b0a8 FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: f3 f7 ff repz idiv %edi 3: 49 8d 7f 08 lea 0x8(%r15),%rdi 7: 5e pop %rsi 8: 48 89 f8 mov %rdi,%rax b: 48 c1 e8 03 shr $0x3,%rax f: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 14: 0f 85 f8 0b 00 00 jne 0xc12 1a: 49 8b 47 08 mov 0x8(%r15),%rax 1e: 4c 89 ff mov %r15,%rdi 21: 49 c7 47 08 00 00 00 movq $0x0,0x8(%r15) 28: 00 * 29: ff d0 callq *%rax <-- trapping instruction 2b: 48 c7 c6 f0 2f 32 81 mov $0xffffffff81322ff0,%rsi 32: 48 c7 c7 c0 4e a9 87 mov $0xffffffff87a94ec0,%rdi 39: e8 4c eb f7 ff callq 0xfff7eb8a 3e: 65 gs 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@10.128.0.143" "pwd"]: exit status 255 ssh: connect to host 10.128.0.143 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci2-upstream-usb-test-job-test-job-1 port 1 (session ID: b4d28e0c789baca5e013ff6fccc46f1a355deea4fe1053f91535dcd05c81326a, 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 d0652ae4-93e9-c513-40e9-e51ba5edd636 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 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a (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] Malformed early option 'numa' [ 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 2585303981 cycles [ 0.001525][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.005357][ T0] tsc: Detected 2200.214 MHz processor [ 0.010738][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.012619][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014641][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.022735][ T0] found SMP MP-table at [mem 0x000f2750-0x000f275f] [ 0.023917][ T0] Using GB pages for direct mapping [ 0.027434][ T0] ACPI: Early table checksum verification disabled [ 0.029557][ T0] ACPI: RSDP 0x00000000000F24D0 000014 (v00 Google) [ 0.030975][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.032947][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.035795][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.037965][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.039023][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.040088][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.042665][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.045678][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.050222][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.052542][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.054384][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.056292][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.058183][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.060573][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.061724][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.062848][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.064419][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.066855][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.068020][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.069635][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.071019][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.072079][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.073257][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.075880][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.077728][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff] [ 0.118949][ T0] Zone ranges: [ 0.119652][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.121141][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.122970][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.124215][ T0] Movable zone start for each node [ 0.125692][ T0] Early memory node ranges [ 0.126816][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.128569][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.129911][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.131318][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.133335][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.133469][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.195650][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.521143][ T0] kasan: KernelAddressSanitizer initialized [ 0.524866][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.526673][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.527980][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.529167][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.530803][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.532964][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.534882][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.536349][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.538102][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.539656][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.541490][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.543010][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.544877][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.546504][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.548150][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.549775][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.551394][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.552808][ T0] Booting paravirtualized kernel on KVM [ 0.553911][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.594891][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 0.597589][ T0] percpu: Embedded 67 pages/cpu s233568 r8192 d32672 u1048576 [ 0.598920][ T0] kvm-guest: PV spinlocks enabled [ 0.599731][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.600955][ T0] Fallback order for Node 0: 0 [ 0.601707][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125 [ 0.602852][ T0] Policy zone: Normal [ 0.603491][ 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 [ 0.628197][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.633319][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.636241][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.638099][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.642380][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.643717][ T0] software IO TLB: area num 2. [ 1.575598][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22480K rwdata, 19020K rodata, 2220K init, 32260K bss, 1466244K reserved, 0K cma-reserved) [ 1.579378][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 1.587622][ T0] Dynamic Preempt: voluntary [ 1.589255][ T0] Running RCU self tests [ 1.589981][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.591574][ T0] rcu: RCU lockdep checking is enabled. [ 1.593177][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.594462][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.595538][ T0] rcu: RCU debug extended QS entry/exit. [ 1.596483][ T0] All grace periods are expedited (rcu_expedited). [ 1.597394][ T0] Trampoline variant of Tasks RCU enabled. [ 1.598517][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.599803][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.621166][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.622865][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.624668][ T0] random: crng init done [ 1.626291][ T0] Console: colour VGA+ 80x25 [ 1.627123][ T0] printk: console [ttyS0] enabled [ 1.627123][ T0] printk: console [ttyS0] enabled [ 1.628687][ T0] printk: bootconsole [earlyser0] disabled [ 1.628687][ T0] printk: bootconsole [earlyser0] disabled [ 1.630616][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.631848][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.632638][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.633569][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.634384][ T0] ... CLASSHASH_SIZE: 4096 [ 1.635184][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.636073][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.636862][ T0] ... CHAINHASH_SIZE: 131072 [ 1.638031][ T0] memory used by lock dependency info: 20657 kB [ 1.638938][ T0] memory used for stack traces: 8320 kB [ 1.639696][ T0] per task-struct memory footprint: 1920 bytes [ 1.640683][ T0] ACPI: Core revision 20220331 [ 1.642081][ T0] APIC: Switch to symmetric I/O mode setup [ 1.648134][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.649423][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6fcd5f2d, max_idle_ns: 440795232554 ns [ 1.651968][ T0] Calibrating delay loop (skipped) preset value.. 4400.42 BogoMIPS (lpj=22002140) [ 1.653437][ T0] pid_max: default: 32768 minimum: 301 [ 1.654476][ T0] LSM: Security Framework initializing [ 1.655614][ T0] landlock: Up and running. [ 1.656286][ T0] Yama: becoming mindful. [ 1.657313][ T0] TOMOYO Linux initialized [ 1.658176][ T0] AppArmor: AppArmor initialized [ 1.659675][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.661061][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.664894][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.665973][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.667120][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.668643][ T0] Spectre V2 : Mitigation: IBRS [ 1.669778][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.670980][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.671966][ T0] RETBleed: Mitigation: IBRS [ 1.672919][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.674448][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.675805][ T0] MDS: Mitigation: Clear CPU buffers [ 1.676612][ T0] TAA: Mitigation: Clear CPU buffers [ 1.677360][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.680223][ T0] Freeing SMP alternatives memory: 60K [ 1.802761][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.806217][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.808111][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.809377][ T1] Running RCU-tasks wait API self tests [ 1.912081][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.916346][ T1] rcu: Hierarchical SRCU implementation. [ 1.917588][ T1] rcu: Max phase no-delay instances is 1000. [ 1.921828][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.922546][ T1] smp: Bringing up secondary CPUs ... [ 1.924575][ T1] x86: Booting SMP configuration: [ 1.925341][ T1] .... node #0, CPUs: #1 [ 1.927633][ 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. [ 1.932011][ 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. [ 1.934693][ 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. [ 1.938144][ T1] smp: Brought up 1 node, 2 CPUs [ 1.938866][ T1] smpboot: Max logical packages: 1 [ 1.939815][ T1] smpboot: Total of 2 processors activated (8800.85 BogoMIPS) [ 1.988546][ T1] allocated 134217728 bytes of page_ext [ 1.989789][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.994982][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages [ 2.021342][ T1] Node 0, zone Normal: page owner found early allocated 33979 pages [ 2.022130][ T11] Callback from call_rcu_tasks() invoked. [ 2.024209][ T1] devtmpfs: initialized [ 2.045989][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.048111][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 2.051949][ T1] PM: RTC time: 19:12:43, date: 2022-09-02 [ 2.054158][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.060877][ T1] audit: initializing netlink subsys (disabled) [ 2.063878][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.063892][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.063892][ T24] audit: type=2000 audit(1662145963.832:1): state=initialized audit_enabled=0 res=1 [ 2.072034][ T1] cpuidle: using governor menu [ 2.078132][ T1] PCI: Using configuration type 1 for base access [ 2.224315][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.226083][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.239887][ T1] ACPI: Added _OSI(Module Device) [ 2.241006][ T1] ACPI: Added _OSI(Processor Device) [ 2.241832][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.242435][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.243503][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.244558][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.245511][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.346402][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.379745][ T1] ACPI: Interpreter enabled [ 2.381340][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.381979][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.384282][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.386582][ T1] PCI: Using E820 reservations for host bridge windows [ 2.393244][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.528375][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.530933][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.531965][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.535441][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.554498][ T1] PCI host bridge to bus 0000:00 [ 2.556342][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.558309][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.561210][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.561964][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.564174][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.566794][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.576289][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.614408][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.640715][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.645274][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.658982][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.668039][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.697671][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.711969][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.721968][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.753388][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.772057][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.812393][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.818130][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.830151][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.840094][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 2.865565][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 2.881967][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.891966][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 2.940725][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.948244][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.957566][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.966464][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.973479][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.989042][ T1] iommu: Default domain type: Translated [ 2.990940][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.994922][ T1] SCSI subsystem initialized [ 2.998438][ T1] ACPI: bus type USB registered [ 3.000815][ T1] usbcore: registered new interface driver usbfs [ 3.002222][ T1] usbcore: registered new interface driver hub [ 3.004272][ T1] usbcore: registered new device driver usb [ 3.007844][ T1] mc: Linux media interface: v0.10 [ 3.009165][ T1] videodev: Linux video capture interface: v2.00 [ 3.012799][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.013810][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.015970][ T1] PTP clock support registered [ 3.018547][ T1] EDAC MC: Ver: 3.0.0 [ 3.023519][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.029725][ T1] Bluetooth: Core ver 2.22 [ 3.031743][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.031954][ T1] Bluetooth: HCI device and connection manager initialized [ 3.033486][ T1] Bluetooth: HCI socket layer initialized [ 3.034837][ T1] Bluetooth: L2CAP socket layer initialized [ 3.037064][ T1] NET: Registered PF_ATMPVC protocol family [ 3.039239][ T1] NET: Registered PF_ATMSVC protocol family [ 3.042310][ T1] NetLabel: Initializing [ 3.043582][ T1] NetLabel: domain hash size = 128 [ 3.045191][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.046662][ T1] NetLabel: unlabeled traffic allowed by default [ 3.050151][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.051607][ T1] NET: Registered PF_NFC protocol family [ 3.051980][ T1] PCI: Using ACPI for IRQ routing [ 3.054736][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.056040][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.058171][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.061964][ T1] vgaarb: loaded [ 5.246988][ T1] clocksource: Switched to clocksource kvm-clock [ 5.251778][ T1] VFS: Disk quotas dquot_6.6.0 [ 5.251778][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 5.251778][ T1] TOMOYO: 2.6.0 [ 5.252714][ T1] Mandatory Access Control activated. [ 5.257745][ T1] AppArmor: AppArmor Filesystem Enabled [ 5.259854][ T1] pnp: PnP ACPI init [ 5.281445][ T1] pnp: PnP ACPI: found 7 devices [ 5.325719][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 5.330514][ T1] NET: Registered PF_INET protocol family [ 5.333620][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 5.347833][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear) [ 5.350845][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 5.353603][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 5.363358][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage) [ 5.371238][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 5.375164][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 5.379636][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 5.383650][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 5.387410][ T1] RPC: Registered named UNIX socket transport module. [ 5.390039][ T1] RPC: Registered udp transport module. [ 5.391368][ T1] RPC: Registered tcp transport module. [ 5.393002][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 5.397997][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 5.399978][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 5.401879][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 5.403569][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 5.407376][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 5.410640][ T1] PCI: CLS 0 bytes, default 64 [ 5.418657][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 5.420443][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 5.442129][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 5.444492][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6fcd5f2d, max_idle_ns: 440795232554 ns [ 5.447373][ T1] clocksource: Switched to clocksource tsc [ 5.453452][ T43] kworker/u4:0 (43) used greatest stack depth: 27960 bytes left [ 5.475875][ T56] kworker/u4:1 (56) used greatest stack depth: 27584 bytes left [ 5.684427][ T1] Initialise system trusted keyrings [ 5.687260][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 5.737361][ T1] NFS: Registering the id_resolver key type [ 5.739154][ T1] Key type id_resolver registered [ 5.740271][ T1] Key type id_legacy registered [ 5.741912][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.753680][ T1] Key type asymmetric registered [ 5.755188][ T1] Asymmetric key parser 'x509' registered [ 5.756756][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 5.758875][ T1] io scheduler mq-deadline registered [ 5.759954][ T1] io scheduler kyber registered [ 5.777589][ T81] kworker/u4:1 (81) used greatest stack depth: 27104 bytes left [ 5.777649][ T1] usbcore: registered new interface driver udlfb [ 5.781849][ T1] usbcore: registered new interface driver smscufx [ 5.787700][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 5.792233][ T1] ACPI: button: Power Button [PWRF] [ 5.795152][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 5.798612][ T1] ACPI: button: Sleep Button [SLPF] [ 5.820120][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.821149][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.841123][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.842591][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.861752][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.863313][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.878936][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 5.889450][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 5.892170][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 5.897318][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 5.902329][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 5.906000][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 5.918530][ T1] Non-volatile memory driver v1.3 [ 5.936371][ T1] Linux agpgart interface v0.103 [ 5.939682][ T1] ACPI: bus type drm_connector registered [ 5.947871][ T1] usbcore: registered new interface driver udl [ 5.979094][ T1] loop: module loaded [ 5.983477][ T1] usbcore: registered new interface driver rtsx_usb [ 5.986819][ T1] usbcore: registered new interface driver viperboard [ 5.988796][ T1] usbcore: registered new interface driver dln2 [ 5.991260][ T1] usbcore: registered new interface driver pn533_usb [ 5.994492][ T1] usbcore: registered new interface driver port100 [ 5.996064][ T1] usbcore: registered new interface driver nfcmrvl [ 6.015925][ T1] scsi host0: Virtio SCSI HBA [ 6.060623][ T1] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 6.197542][ T37] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 6.199971][ T37] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 6.201343][ T37] sd 0:0:1:0: [sda] Write Protect is off [ 6.204035][ T37] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 6.227371][ T37] sda: sda1 [ 6.229231][ T37] sd 0:0:1:0: [sda] Attached SCSI disk [ 6.233154][ T1] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 6.241440][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 6.244296][ T1] db_root: cannot open: /etc/target [ 6.299193][ C1] general protection fault, probably for non-canonical address 0xffff000000000000: 0000 [#1] PREEMPT SMP KASAN [ 6.306740][ C1] KASAN: maybe wild-memory-access in range [0xfff8200000000000-0xfff8200000000007] [ 6.306740][ C1] CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 [ 6.306740][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 6.306740][ C1] RIP: 0010:rcu_core+0x7af/0x1780 [ 6.306740][ C1] Code: 07 f3 f7 ff 49 8d 7f 08 5e 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 f8 0b 00 00 49 8b 47 08 4c 89 ff 49 c7 47 08 00 00 00 00 d0 48 c7 c6 f0 2f 32 81 48 c7 c7 c0 4e a9 87 e8 4c eb f7 ff 65 [ 6.306740][ C1] RSP: 0000:ffffc9000014fd58 EFLAGS: 00010246 [ 6.306740][ C1] RAX: ffff000000000000 RBX: 0000000000000000 RCX: 603ad66270707a3c [ 6.306740][ C1] RDX: 1ffff1102006cbee RSI: ffffffff81322f8d RDI: ffff88810e68b0a8 [ 6.306740][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8b0766df [ 6.306740][ C1] R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 [ 6.306740][ C1] R13: ffffc9000014fdc8 R14: 0000000000000000 R15: ffff88810e68b0a8 [ 6.306740][ C1] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 6.306740][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.306740][ C1] CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 [ 6.306740][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.306740][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.306740][ C1] Call Trace: [ 6.306740][ C1] [ 6.306740][ C1] ? rcu_report_dead+0x680/0x680 [ 6.306740][ C1] __do_softirq+0x1c0/0x9a9 [ 6.306740][ C1] ? __irq_exit_rcu+0x170/0x170 [ 6.306740][ C1] run_ksoftirqd+0x2d/0x60 [ 6.306740][ C1] smpboot_thread_fn+0x645/0x9c0 [ 6.306740][ C1] ? sort_range+0x30/0x30 [ 6.306740][ C1] kthread+0x2ea/0x3a0 [ 6.306740][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 6.306740][ C1] ret_from_fork+0x1f/0x30 [ 6.306740][ C1] [ 6.306740][ C1] Modules linked in: [ 6.365636][ C1] ---[ end trace 0000000000000000 ]--- [ 6.367548][ C1] RIP: 0010:rcu_core+0x7af/0x1780 [ 6.377675][ C1] Code: 07 f3 f7 ff 49 8d 7f 08 5e 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 f8 0b 00 00 49 8b 47 08 4c 89 ff 49 c7 47 08 00 00 00 00 d0 48 c7 c6 f0 2f 32 81 48 c7 c7 c0 4e a9 87 e8 4c eb f7 ff 65 [ 6.389911][ T1] general protection fault, probably for non-canonical address 0xffff000000000800: 0000 [#2] PREEMPT SMP KASAN [ 6.392460][ C1] RSP: 0000:ffffc9000014fd58 EFLAGS: 00010246 [ 6.394867][ T1] KASAN: maybe wild-memory-access in range [0xfff8200000004000-0xfff8200000004007] [ 6.394892][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G D 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 [ 6.396692][ C1] RAX: ffff000000000000 RBX: 0000000000000000 RCX: 603ad66270707a3c [ 6.398609][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 6.401542][ C1] RDX: 1ffff1102006cbee RSI: ffffffff81322f8d RDI: ffff88810e68b0a8 [ 6.399438][ T1] RIP: 0010:kmem_cache_alloc_trace+0x15e/0x3b0 [ 6.399438][ T1] Code: 8b 51 08 48 8b 01 48 83 79 10 00 48 89 44 24 08 0f 84 9d 01 00 00 48 85 c0 0f 84 94 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 a0 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 [ 6.406272][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8b0766df [ 6.399438][ T1] RSP: 0000:ffffc9000001fce8 EFLAGS: 00010246 [ 6.409653][ C1] R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 [ 6.399438][ T1] [ 6.399438][ T1] RAX: ffff000000000000 RBX: 0000000000000000 RCX: 0000000000000800 [ 6.399438][ T1] RDX: 00000000000045c8 RSI: 0000000000000dc0 RDI: 000000000003b470 [ 6.399438][ T1] RBP: ffff888100042140 R08: 0000000000000000 R09: ffffffff88de9657 [ 6.416103][ C1] R13: ffffc9000014fdc8 R14: 0000000000000000 R15: ffff88810e68b0a8 [ 6.399438][ T1] R10: 0000000000000000 R11: 0000000000052040 R12: 0000000000000dc0 [ 6.419424][ C1] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 6.399438][ T1] R13: 0000000000000a20 R14: 0000000000000dc0 R15: 0000000000000000 [ 6.421651][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.399438][ T1] FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 6.399438][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.399438][ T1] CR2: ffff88823ffff000 CR3: 0000000007825000 CR4: 00000000003506f0 [ 6.424894][ C1] CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 [ 6.399438][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.429075][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.399438][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.433658][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.399438][ T1] Call Trace: [ 6.399438][ T1] [ 6.436992][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 6.399438][ T1] ? kobject_uevent_env+0x230/0x1640 [ 6.399438][ T1] kobject_uevent_env+0x230/0x1640 [ 6.399438][ T1] ? bus_add_driver+0x267/0x640 [ 6.399438][ T1] driver_register+0x2db/0x3a0 [ 6.399438][ T1] ? phy_module_init+0x18/0x18 [ 6.399438][ T1] virtio_net_driver_init+0x93/0xd2 [ 6.399438][ T1] do_one_initcall+0xfe/0x650 [ 6.399438][ T1] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 6.399438][ T1] ? parameq+0x110/0x170 [ 6.399438][ T1] kernel_init_freeable+0x6ac/0x735 [ 6.399438][ T1] ? rest_init+0x270/0x270 [ 6.399438][ T1] kernel_init+0x1a/0x1d0 [ 6.399438][ T1] ? rest_init+0x270/0x270 [ 6.399438][ T1] ret_from_fork+0x1f/0x30 [ 6.399438][ T1] [ 6.399438][ T1] Modules linked in: [ 6.443647][ C1] Kernel Offset: disabled [ 6.443647][ C1] Rebooting in 86400 seconds.. syzkaller build log: go env (err=) GO111MODULE="auto" GOARCH="amd64" GOBIN="" GOCACHE="/syzkaller/.cache/go-build" GOENV="/syzkaller/.config/go/env" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOINSECURE="" GOMODCACHE="/syzkaller/jobs/linux/gopath/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/syzkaller/jobs/linux/gopath" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64" GOVCS="" GOVERSION="go1.17" GCCGO="gccgo" AR="ar" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build69416488=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at ba24ffcde nothing to commit, working tree clean go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=ba24ffcde7219e5374bb0b093368a58009c85d1d -X 'github.com/google/syzkaller/prog.gitRevisionDate=20201211-103622'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=ba24ffcde7219e5374bb0b093368a58009c85d1d -X 'github.com/google/syzkaller/prog.gitRevisionDate=20201211-103622'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=ba24ffcde7219e5374bb0b093368a58009c85d1d -X 'github.com/google/syzkaller/prog.gitRevisionDate=20201211-103622'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -static -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"ba24ffcde7219e5374bb0b093368a58009c85d1d\"