general protection fault in getname_kernel general protection fault, probably for non-canonical address 0xffff000000000800: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfff8200000004000-0xfff8200000004007] CPU: 1 PID: 255 Comm: kworker/u4:3 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:freelist_dereference mm/slub.c:347 [inline] RIP: 0010:get_freepointer mm/slub.c:354 [inline] RIP: 0010:get_freepointer_safe mm/slub.c:368 [inline] RIP: 0010:slab_alloc_node mm/slub.c:3211 [inline] RIP: 0010:slab_alloc mm/slub.c:3251 [inline] RIP: 0010:__kmem_cache_alloc_lru mm/slub.c:3258 [inline] RIP: 0010:kmem_cache_alloc+0x15d/0x4a0 mm/slub.c:3268 Code: 51 08 48 8b 01 48 83 79 10 00 48 89 04 24 0f 84 7c 02 00 00 48 85 c0 0f 84 73 02 00 00 49 8b 3c 24 41 8b 4c 24 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 7b 02 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 RSP: 0000:ffffc9000167fe50 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 000000000000000e RCX: 0000000000000800 RDX: 00000000000002e1 RSI: 0000000000000cc0 RDI: 000000000003e6c0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810016e500 R13: 0000000000000cc0 R14: ffffffff8183a35e R15: 0000000000000cc0 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: getname_kernel+0x4e/0x370 fs/namei.c:227 kernel_execve+0x7a/0x500 fs/exec.c:1970 call_usermodehelper_exec_async+0x2e3/0x580 kernel/umh.c:112 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:freelist_dereference mm/slub.c:347 [inline] RIP: 0010:get_freepointer mm/slub.c:354 [inline] RIP: 0010:get_freepointer_safe mm/slub.c:368 [inline] RIP: 0010:slab_alloc_node mm/slub.c:3211 [inline] RIP: 0010:slab_alloc mm/slub.c:3251 [inline] RIP: 0010:__kmem_cache_alloc_lru mm/slub.c:3258 [inline] RIP: 0010:kmem_cache_alloc+0x15d/0x4a0 mm/slub.c:3268 Code: 51 08 48 8b 01 48 83 79 10 00 48 89 04 24 0f 84 7c 02 00 00 48 85 c0 0f 84 73 02 00 00 49 8b 3c 24 41 8b 4c 24 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 7b 02 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 RSP: 0000:ffffc9000167fe50 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 000000000000000e RCX: 0000000000000800 RDX: 00000000000002e1 RSI: 0000000000000cc0 RDI: 000000000003e6c0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810016e500 R13: 0000000000000cc0 R14: ffffffff8183a35e R15: 0000000000000cc0 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): 0: 51 push %rcx 1: 08 48 8b or %cl,-0x75(%rax) 4: 01 48 83 add %ecx,-0x7d(%rax) 7: 79 10 jns 0x19 9: 00 48 89 add %cl,-0x77(%rax) c: 04 24 add $0x24,%al e: 0f 84 7c 02 00 00 je 0x290 14: 48 85 c0 test %rax,%rax 17: 0f 84 73 02 00 00 je 0x290 1d: 49 8b 3c 24 mov (%r12),%rdi 21: 41 8b 4c 24 28 mov 0x28(%r12),%ecx 26: 40 f6 c7 0f test $0xf,%dil * 2a: 48 8b 1c 08 mov (%rax,%rcx,1),%rbx <-- trapping instruction 2e: 0f 85 7b 02 00 00 jne 0x2af 34: 48 8d 4a 08 lea 0x8(%rdx),%rcx 38: 65 48 0f c7 0f cmpxchg16b %gs:(%rdi) 3d: 0f 94 c0 sete %al 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@10.128.0.161" "pwd"]: exit status 255 ssh: connect to host 10.128.0.161 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-0 port 1 (session ID: cfc85edf36058f3294f993846f181db9961812fe3db21f4e939859e0f98d059e, 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 63d5cf19-b3b9-41af-dcca-34a1e7350b57 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 08/26/2022 [ 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 2408083594 cycles [ 0.001009][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004272][ T0] tsc: Detected 2200.218 MHz processor [ 0.009673][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010821][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.012231][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.018909][ T0] found SMP MP-table at [mem 0x000f2750-0x000f275f] [ 0.020074][ T0] Using GB pages for direct mapping [ 0.022593][ T0] ACPI: Early table checksum verification disabled [ 0.023828][ T0] ACPI: RSDP 0x00000000000F24D0 000014 (v00 Google) [ 0.025084][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.026671][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.028250][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.029997][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.030903][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.031991][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.033686][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.035533][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.037984][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.040231][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.042763][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.044276][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.045962][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.047844][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.049803][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.051982][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.053336][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.055510][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.056612][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.057494][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.058728][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.060170][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.061762][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.063992][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.065850][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff] [ 0.105275][ T0] Zone ranges: [ 0.105887][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.107029][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.108501][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.109645][ T0] Movable zone start for each node [ 0.110476][ T0] Early memory node ranges [ 0.111198][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.112249][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.113715][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.115516][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.117254][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.117395][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.179494][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.549014][ T0] kasan: KernelAddressSanitizer initialized [ 0.551302][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.552062][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.553284][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.554580][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.555654][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.556698][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.557684][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.558719][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.559704][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.560605][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.561727][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.562944][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.564048][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.565313][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.566640][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.567788][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.569003][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.569986][ T0] Booting paravirtualized kernel on KVM [ 0.570812][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.611545][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 0.613962][ T0] percpu: Embedded 67 pages/cpu s233568 r8192 d32672 u1048576 [ 0.615114][ T0] kvm-guest: PV spinlocks enabled [ 0.615810][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.616944][ T0] Fallback order for Node 0: 0 [ 0.617615][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125 [ 0.618655][ T0] Policy zone: Normal [ 0.619205][ 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 [ 0.635826][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.641806][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.644892][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.646414][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.651443][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.653102][ T0] software IO TLB: area num 2. [ 1.693799][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22480K rwdata, 19020K rodata, 2220K init, 32260K bss, 1466244K reserved, 0K cma-reserved) [ 1.696609][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 1.705016][ T0] Dynamic Preempt: voluntary [ 1.706763][ T0] Running RCU self tests [ 1.707360][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.708205][ T0] rcu: RCU lockdep checking is enabled. [ 1.709060][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.710191][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.711323][ T0] rcu: RCU debug extended QS entry/exit. [ 1.712134][ T0] All grace periods are expedited (rcu_expedited). [ 1.713292][ T0] Trampoline variant of Tasks RCU enabled. [ 1.714347][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.715437][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.735567][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.737223][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.738416][ T0] random: crng init done [ 1.740020][ T0] Console: colour VGA+ 80x25 [ 1.740739][ T0] printk: console [ttyS0] enabled [ 1.740739][ T0] printk: console [ttyS0] enabled [ 1.742133][ T0] printk: bootconsole [earlyser0] disabled [ 1.742133][ T0] printk: bootconsole [earlyser0] disabled [ 1.744585][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.746266][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.747024][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.747902][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.748891][ T0] ... CLASSHASH_SIZE: 4096 [ 1.749677][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.750544][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.751322][ T0] ... CHAINHASH_SIZE: 131072 [ 1.752394][ T0] memory used by lock dependency info: 20657 kB [ 1.753262][ T0] memory used for stack traces: 8320 kB [ 1.754129][ T0] per task-struct memory footprint: 1920 bytes [ 1.755252][ T0] ACPI: Core revision 20220331 [ 1.756742][ T0] APIC: Switch to symmetric I/O mode setup [ 1.762985][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.764636][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb700c3c76, max_idle_ns: 440795286388 ns [ 1.767125][ T0] Calibrating delay loop (skipped) preset value.. 4400.43 BogoMIPS (lpj=22002180) [ 1.769288][ T0] pid_max: default: 32768 minimum: 301 [ 1.770903][ T0] LSM: Security Framework initializing [ 1.771831][ T0] landlock: Up and running. [ 1.772474][ T0] Yama: becoming mindful. [ 1.773795][ T0] TOMOYO Linux initialized [ 1.774846][ T0] AppArmor: AppArmor initialized [ 1.777128][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.779386][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.783931][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.785217][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.787164][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.789180][ T0] Spectre V2 : Mitigation: IBRS [ 1.790344][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.792020][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.793641][ T0] RETBleed: Mitigation: IBRS [ 1.795438][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.797149][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.799118][ T0] MDS: Mitigation: Clear CPU buffers [ 1.800409][ T0] TAA: Mitigation: Clear CPU buffers [ 1.801279][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.804874][ T0] Freeing SMP alternatives memory: 60K [ 1.927036][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.927091][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.927091][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.927091][ T1] Running RCU-tasks wait API self tests [ 2.027279][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 2.029931][ T1] rcu: Hierarchical SRCU implementation. [ 2.031284][ T1] rcu: Max phase no-delay instances is 1000. [ 2.035818][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.037790][ T1] smp: Bringing up secondary CPUs ... [ 2.040201][ T1] x86: Booting SMP configuration: [ 2.041148][ T1] .... node #0, CPUs: #1 [ 2.043288][ 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. [ 2.043288][ 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. [ 2.047188][ 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. [ 2.050087][ T1] smp: Brought up 1 node, 2 CPUs [ 2.050893][ T1] smpboot: Max logical packages: 1 [ 2.051903][ T1] smpboot: Total of 2 processors activated (8800.87 BogoMIPS) [ 2.125031][ T1] allocated 134217728 bytes of page_ext [ 2.126414][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.130209][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages [ 2.137339][ T11] Callback from call_rcu_tasks() invoked. [ 2.158278][ T1] Node 0, zone Normal: page owner found early allocated 33979 pages [ 2.160370][ T1] devtmpfs: initialized [ 2.181290][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.182846][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 2.187483][ T1] PM: RTC time: 13:35:13, date: 2022-09-04 [ 2.189801][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.195562][ T1] audit: initializing netlink subsys (disabled) [ 2.199027][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.199038][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.200488][ T24] audit: type=2000 audit(1662298513.074:1): state=initialized audit_enabled=0 res=1 [ 2.203112][ T1] cpuidle: using governor menu [ 2.209334][ T1] PCI: Using configuration type 1 for base access [ 2.358277][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.359693][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.372840][ T1] ACPI: Added _OSI(Module Device) [ 2.373776][ T1] ACPI: Added _OSI(Processor Device) [ 2.374650][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.375655][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.376700][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.377699][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.379215][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.479690][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.512689][ T1] ACPI: Interpreter enabled [ 2.514097][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.515190][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.516518][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.517104][ T1] PCI: Using E820 reservations for host bridge windows [ 2.522586][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.658153][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.659574][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.661065][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.663767][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.680437][ T1] PCI host bridge to bus 0000:00 [ 2.681429][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.682641][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.683827][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.685127][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.686559][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.687834][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.693946][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.714161][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.732951][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.739034][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.747119][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.753072][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.771881][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.780101][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.786207][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.805179][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.815725][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.840703][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.845688][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.854465][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.860414][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 2.880439][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 2.888167][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.893337][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 2.933646][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.940492][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.946566][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.952118][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.956067][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.971847][ T1] iommu: Default domain type: Translated [ 2.972857][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.976747][ T1] SCSI subsystem initialized [ 2.979014][ T1] ACPI: bus type USB registered [ 2.980623][ T1] usbcore: registered new interface driver usbfs [ 2.982039][ T1] usbcore: registered new interface driver hub [ 2.983300][ T1] usbcore: registered new device driver usb [ 2.985887][ T1] mc: Linux media interface: v0.10 [ 2.987356][ T1] videodev: Linux video capture interface: v2.00 [ 2.989259][ T1] pps_core: LinuxPPS API ver. 1 registered [ 2.990393][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.992321][ T1] PTP clock support registered [ 2.993971][ T1] EDAC MC: Ver: 3.0.0 [ 2.998390][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.004375][ T1] Bluetooth: Core ver 2.22 [ 3.005325][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.006400][ T1] Bluetooth: HCI device and connection manager initialized [ 3.007267][ T1] Bluetooth: HCI socket layer initialized [ 3.008343][ T1] Bluetooth: L2CAP socket layer initialized [ 3.009376][ T1] NET: Registered PF_ATMPVC protocol family [ 3.010336][ T1] NET: Registered PF_ATMSVC protocol family [ 3.011609][ T1] NetLabel: Initializing [ 3.012373][ T1] NetLabel: domain hash size = 128 [ 3.013259][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.014691][ T1] NetLabel: unlabeled traffic allowed by default [ 3.018292][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.019429][ T1] NET: Registered PF_NFC protocol family [ 3.020448][ T1] PCI: Using ACPI for IRQ routing [ 3.022127][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.023536][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.024648][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.026103][ T1] vgaarb: loaded [ 5.233514][ T1] clocksource: Switched to clocksource kvm-clock [ 5.237091][ T1] VFS: Disk quotas dquot_6.6.0 [ 5.237091][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 5.237583][ T1] TOMOYO: 2.6.0 [ 5.238144][ T1] Mandatory Access Control activated. [ 5.242552][ T1] AppArmor: AppArmor Filesystem Enabled [ 5.244252][ T1] pnp: PnP ACPI init [ 5.264564][ T1] pnp: PnP ACPI: found 7 devices [ 5.304750][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 5.307175][ T1] NET: Registered PF_INET protocol family [ 5.309813][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 5.322660][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear) [ 5.325512][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 5.327342][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 5.337407][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage) [ 5.344679][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 5.348356][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 5.352564][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 5.355800][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 5.359524][ T1] RPC: Registered named UNIX socket transport module. [ 5.360904][ T1] RPC: Registered udp transport module. [ 5.361922][ T1] RPC: Registered tcp transport module. [ 5.362903][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 5.367344][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 5.368707][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 5.369961][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 5.372016][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 5.374756][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 5.376380][ T1] PCI: CLS 0 bytes, default 64 [ 5.384473][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 5.386065][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 5.394395][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 5.396045][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb700c3c76, max_idle_ns: 440795286388 ns [ 5.397961][ T1] clocksource: Switched to clocksource tsc [ 5.404836][ T41] kworker/u4:2 (41) used greatest stack depth: 27960 bytes left [ 5.660123][ T1] Initialise system trusted keyrings [ 5.663177][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 5.668883][ T63] kworker/u4:2 (63) used greatest stack depth: 27584 bytes left [ 5.713298][ T1] NFS: Registering the id_resolver key type [ 5.714492][ T1] Key type id_resolver registered [ 5.715570][ T1] Key type id_legacy registered [ 5.717085][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.728594][ T1] Key type asymmetric registered [ 5.729640][ T1] Asymmetric key parser 'x509' registered [ 5.731093][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 5.732693][ T1] io scheduler mq-deadline registered [ 5.733680][ T1] io scheduler kyber registered [ 5.750452][ T1] usbcore: registered new interface driver udlfb [ 5.752137][ T1] usbcore: registered new interface driver smscufx [ 5.755552][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 5.759221][ T1] ACPI: button: Power Button [PWRF] [ 5.761461][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 5.764158][ T1] ACPI: button: Sleep Button [SLPF] [ 5.784816][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.786042][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.802063][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.803591][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.822913][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.823858][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.837590][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 5.845466][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 5.847935][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 5.851754][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 5.854916][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 5.858239][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 5.870786][ T1] Non-volatile memory driver v1.3 [ 5.883565][ T1] Linux agpgart interface v0.103 [ 5.886771][ T1] ACPI: bus type drm_connector registered [ 5.894178][ T1] usbcore: registered new interface driver udl [ 5.925971][ T1] loop: module loaded [ 5.928131][ T1] usbcore: registered new interface driver rtsx_usb [ 5.930348][ T1] usbcore: registered new interface driver viperboard [ 5.932498][ T1] usbcore: registered new interface driver dln2 [ 5.935131][ T1] usbcore: registered new interface driver pn533_usb [ 5.936570][ T1] usbcore: registered new interface driver port100 [ 5.939173][ T1] usbcore: registered new interface driver nfcmrvl [ 5.956458][ T1] scsi host0: Virtio SCSI HBA [ 5.999439][ T1] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 6.125783][ T8] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 6.128337][ T8] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 6.129843][ T8] sd 0:0:1:0: [sda] Write Protect is off [ 6.131146][ T8] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 6.158017][ T8] sda: sda1 [ 6.159885][ T8] sd 0:0:1:0: [sda] Attached SCSI disk [ 6.162912][ T1] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 6.171729][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 6.173820][ T1] db_root: cannot open: /etc/target [ 6.229928][ T255] general protection fault, probably for non-canonical address 0xffff000000000800: 0000 [#1] PREEMPT SMP KASAN [ 6.239862][ T255] KASAN: maybe wild-memory-access in range [0xfff8200000004000-0xfff8200000004007] [ 6.245515][ T1] CAN device driver interface [ 6.239862][ T255] CPU: 1 PID: 255 Comm: kworker/u4:3 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 [ 6.239862][ T255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 6.239862][ T255] RIP: 0010:kmem_cache_alloc+0x15d/0x4a0 [ 6.248122][ T255] Code: 51 08 48 8b 01 48 83 79 10 00 48 89 04 24 0f 84 7c 02 00 00 48 85 c0 0f 84 73 02 00 00 49 8b 3c 24 41 8b 4c 24 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 7b 02 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 [ 6.251091][ T1] usbcore: registered new interface driver usb_8dev [ 6.251066][ T255] RSP: 0000:ffffc9000167fe50 EFLAGS: 00010246 [ 6.255454][ T1] usbcore: registered new interface driver ems_usb [ 6.254697][ T255] [ 6.254697][ T255] RAX: ffff000000000000 RBX: 000000000000000e RCX: 0000000000000800 [ 6.260770][ T1] usbcore: registered new interface driver gs_usb [ 6.254697][ T255] RDX: 00000000000002e1 RSI: 0000000000000cc0 RDI: 000000000003e6c0 [ 6.266987][ T1] usbcore: registered new interface driver kvaser_usb [ 6.254697][ T255] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 6.254697][ T255] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810016e500 [ 6.254697][ T255] R13: 0000000000000cc0 R14: ffffffff8183a35e R15: 0000000000000cc0 [ 6.269232][ T1] usbcore: registered new interface driver mcba_usb [ 6.254697][ T255] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 6.272251][ T1] usbcore: registered new interface driver peak_usb [ 6.254697][ T255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.274515][ T1] e100: Intel(R) PRO/100 Network Driver [ 6.254697][ T255] CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 [ 6.278318][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 6.278303][ T255] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.282812][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 6.281538][ T255] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.284847][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 6.281538][ T255] Call Trace: [ 6.281538][ T255] [ 6.288700][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 6.281538][ T255] getname_kernel+0x4e/0x370 [ 6.290893][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 6.291256][ T1] sky2: driver version 1.30 [ 6.281538][ T255] kernel_execve+0x7a/0x500 [ 6.295356][ T1] usbcore: registered new interface driver ath9k_htc [ 6.281538][ T255] call_usermodehelper_exec_async+0x2e3/0x580 [ 6.300777][ T1] usbcore: registered new interface driver carl9170 [ 6.298835][ T255] ? umh_complete+0x90/0x90 [ 6.305839][ T1] usbcore: registered new interface driver ath6kl_usb [ 6.298835][ T255] ret_from_fork+0x1f/0x30 [ 6.307906][ T1] usbcore: registered new interface driver ar5523 [ 6.307323][ T255] [ 6.310675][ T1] usbcore: registered new interface driver ath10k_usb [ 6.307323][ T255] Modules linked in: [ 6.312873][ T1] Atmel at76x USB Wireless LAN Driver 0.17 loading [ 6.313514][ T1] usbcore: registered new interface driver at76c50x-usb [ 6.314494][ T255] ---[ end trace 0000000000000000 ]--- [ 6.317606][ T1] usbcore: registered new interface driver brcmfmac [ 6.317906][ T255] RIP: 0010:kmem_cache_alloc+0x15d/0x4a0 [ 6.318902][ T1] orinoco 0.15 (David Gibson , Pavel Roskin , et al) [ 6.320055][ T255] Code: 51 08 48 8b 01 48 83 79 10 00 48 89 04 24 0f 84 7c 02 00 00 48 85 c0 0f 84 73 02 00 00 49 8b 3c 24 41 8b 4c 24 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 7b 02 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 [ 6.322108][ T1] usbcore: registered new interface driver orinoco_usb [ 6.322354][ T255] RSP: 0000:ffffc9000167fe50 EFLAGS: 00010246 [ 6.324647][ T1] usbcore: registered new interface driver p54usb [ 6.325641][ T255] [ 6.325647][ T255] RAX: ffff000000000000 RBX: 000000000000000e RCX: 0000000000000800 [ 6.328931][ T1] usbcore: registered new interface driver usb8xxx [ 6.332612][ T255] RDX: 00000000000002e1 RSI: 0000000000000cc0 RDI: 000000000003e6c0 [ 6.335448][ T1] usbcore: registered new interface driver lbtf_usb [ 6.335597][ T255] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 6.337875][ T1] usbcore: registered new interface driver mwifiex_usb [ 6.338198][ T1] usbcore: registered new interface driver mt7601u [ 6.340206][ T255] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810016e500 [ 6.342345][ T1] usbcore: registered new interface driver rt2500usb [ 6.343577][ T255] R13: 0000000000000cc0 R14: ffffffff8183a35e R15: 0000000000000cc0 [ 6.345475][ T1] usbcore: registered new interface driver rt73usb [ 6.347403][ T255] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 6.349256][ T1] usbcore: registered new interface driver rt2800usb [ 6.350435][ T255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.352419][ T1] usbcore: registered new interface driver rtl8187 [ 6.353641][ T255] CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 [ 6.356469][ T1] usbcore: registered new interface driver rtl8192cu [ 6.357079][ T255] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.361592][ T1] usbcore: registered new interface driver rtl8xxxu [ 6.362219][ T255] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.364639][ T1] usbcore: registered new interface driver RSI-USB WLAN [ 6.365831][ T255] Kernel panic - not syncing: Fatal exception [ 6.367110][ T255] Kernel Offset: disabled [ 6.367110][ T255] 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="" 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-build1854472015=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at cfc9868f2 nothing to commit, working tree clean export BUILDOS=linux export NATIVEBUILDOS=linux export HOSTOS=linux export HOSTARCH=amd64 export TARGETOS=linux export TARGETARCH=amd64 export TARGETVMARCH=amd64 export CC=gcc export ADDCFLAGS=-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static export NCORES=32 export EXE= export NATIVEBUILDOS=linux GOOS=linux GOARCH=amd64 go install ./syz-fuzzer make fuzzer execprog stress executor make[1]: Entering directory '/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller' export BUILDOS=linux export NATIVEBUILDOS=linux export HOSTOS=linux export HOSTARCH=amd64 export TARGETOS=linux export TARGETARCH=amd64 export TARGETVMARCH=amd64 export CC=gcc export ADDCFLAGS=-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static export NCORES=32 export EXE= export NATIVEBUILDOS=linux make[1]: warning: -j32 forced in makefile: resetting jobserver mode. GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/sys.GitRevision=cfc9868f25f37077a00800c89ed55586a333cdf3 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Mon Aug 19 14:52:40 2019 -0700'" "-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/sys.GitRevision=cfc9868f25f37077a00800c89ed55586a333cdf3 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Mon Aug 19 14:52:40 2019 -0700'" "-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/sys.GitRevision=cfc9868f25f37077a00800c89ed55586a333cdf3 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Mon Aug 19 14:52:40 2019 -0700'" "-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 \ -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"cfc9868f25f37077a00800c89ed55586a333cdf3\" make[1]: Leaving directory '/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller'