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: 137 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 Workqueue: events_unbound call_usermodehelper_exec_work 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:ffffc90000178e68 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000000 RCX: 9f31ab4a1a6ca106 RDX: 1ffff1102191985e RSI: ffffffff81322f8d RDI: ffff88810e6b9428 RBP: 0000000000000009 R08: 0000000000000000 R09: ffffffff8b0766df R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 R13: ffffc90000178ed8 R14: 0000000000000008 R15: ffff88810e6b9428 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 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:unwind_next_frame+0x6e/0x1cc0 arch/x86/kernel/unwind_orc.c:419 Code: 41 5d 41 5e 41 5f c3 49 8d 6d 48 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 d4 15 00 00 49 8b 45 48 <48> 89 44 24 10 49 8d 45 38 48 89 c2 48 89 44 24 08 48 b8 00 00 00 RSP: 0000:ffffc90000507490 EFLAGS: 00000246 RAX: ffffffff8114e22d RBX: 0000000000000001 RCX: 0000000000000000 RDX: 1ffff920000a0ea9 RSI: ffffffff8114e22d RDI: ffffc90000507500 RBP: ffffc90000507548 R08: 0000000000000001 R09: ffffc90000507534 R10: fffff520000a0eab R11: ffffc90000507be8 R12: ffffc900005075b8 R13: ffffc90000507500 R14: ffff88810c8cb900 R15: 0000000000000cc0 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:437 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:470 kasan_slab_alloc include/linux/kasan.h:224 [inline] slab_post_alloc_hook mm/slab.h:727 [inline] slab_alloc_node mm/slub.c:3243 [inline] slab_alloc mm/slub.c:3251 [inline] __kmem_cache_alloc_lru mm/slub.c:3258 [inline] kmem_cache_alloc+0x354/0x4a0 mm/slub.c:3268 dup_fd+0x89/0xca0 fs/file.c:324 copy_files kernel/fork.c:1623 [inline] copy_process+0x2282/0x6de0 kernel/fork.c:2244 kernel_clone+0xe7/0xab0 kernel/fork.c:2673 user_mode_thread+0xad/0xe0 kernel/fork.c:2742 call_usermodehelper_exec_work kernel/umh.c:174 [inline] call_usermodehelper_exec_work+0xcc/0x180 kernel/umh.c:160 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 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:ffffc90000178e68 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000000 RCX: 9f31ab4a1a6ca106 RDX: 1ffff1102191985e RSI: ffffffff81322f8d RDI: ffff88810e6b9428 RBP: 0000000000000009 R08: 0000000000000000 R09: ffffffff8b0766df R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 R13: ffffc90000178ed8 R14: 0000000000000008 R15: ffff88810e6b9428 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@10.128.10.35" "pwd"]: exit status 255 ssh: connect to host 10.128.10.35 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: d2f76416f44aaeae5f2d73186ff52a037eaf142348bd0b6ea2a12ade1966af92, 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 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 2690986124 cycles [ 0.000929][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003655][ T0] tsc: Detected 2200.196 MHz processor [ 0.008705][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.009714][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.010950][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.017752][ T0] found SMP MP-table at [mem 0x000f2750-0x000f275f] [ 0.018781][ T0] Using GB pages for direct mapping [ 0.021266][ T0] ACPI: Early table checksum verification disabled [ 0.022299][ T0] ACPI: RSDP 0x00000000000F24D0 000014 (v00 Google) [ 0.023171][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.024563][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.026349][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.027613][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.028477][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.029300][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.030589][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.032193][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.033630][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.035106][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.036320][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.037418][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.038655][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.040119][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.041443][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.042845][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.044145][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.045873][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.046626][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.047357][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.048416][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.049351][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.050401][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.051946][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.053877][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff] [ 0.094205][ T0] Zone ranges: [ 0.095243][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.096301][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.097355][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.098529][ T0] Movable zone start for each node [ 0.099411][ T0] Early memory node ranges [ 0.100021][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.101211][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.102483][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.103470][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.104937][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.105071][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.166921][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.480755][ T0] kasan: KernelAddressSanitizer initialized [ 0.483225][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.484068][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.485297][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.486310][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.487286][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.488447][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.489617][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.491175][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.492129][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.492998][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.494248][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.495604][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.496865][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.498113][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.499213][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.500756][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.501954][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.502856][ T0] Booting paravirtualized kernel on KVM [ 0.503671][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.544055][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 0.546795][ T0] percpu: Embedded 67 pages/cpu s233568 r8192 d32672 u1048576 [ 0.548193][ T0] kvm-guest: PV spinlocks enabled [ 0.549075][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.550378][ T0] Fallback order for Node 0: 0 [ 0.551300][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125 [ 0.552434][ T0] Policy zone: Normal [ 0.552985][ 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 [ 0.569494][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.576318][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.579732][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.581167][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.586709][ T0] stackdepot hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.588137][ T0] software IO TLB: area num 2. [ 1.481817][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22480K rwdata, 19020K rodata, 2220K init, 32260K bss, 1466244K reserved, 0K cma-reserved) [ 1.485141][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 1.493340][ T0] Dynamic Preempt: voluntary [ 1.495462][ T0] Running RCU self tests [ 1.496064][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.497614][ T0] rcu: RCU lockdep checking is enabled. [ 1.498537][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.500234][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.501329][ T0] rcu: RCU debug extended QS entry/exit. [ 1.502118][ T0] All grace periods are expedited (rcu_expedited). [ 1.503075][ T0] Trampoline variant of Tasks RCU enabled. [ 1.503835][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.505436][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.526759][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.528452][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.529606][ T0] random: crng init done [ 1.531281][ T0] Console: colour VGA+ 80x25 [ 1.532149][ T0] printk: console [ttyS0] enabled [ 1.532149][ T0] printk: console [ttyS0] enabled [ 1.534284][ T0] printk: bootconsole [earlyser0] disabled [ 1.534284][ T0] printk: bootconsole [earlyser0] disabled [ 1.536402][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.538392][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.539684][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.541015][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.542204][ T0] ... CLASSHASH_SIZE: 4096 [ 1.543587][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.544815][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.546033][ T0] ... CHAINHASH_SIZE: 131072 [ 1.547260][ T0] memory used by lock dependency info: 20657 kB [ 1.548712][ T0] memory used for stack traces: 8320 kB [ 1.549781][ T0] per task-struct memory footprint: 1920 bytes [ 1.551210][ T0] ACPI: Core revision 20220331 [ 1.553001][ T0] APIC: Switch to symmetric I/O mode setup [ 1.559623][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.561117][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6ebe4598, max_idle_ns: 440795211488 ns [ 1.563514][ T0] Calibrating delay loop (skipped) preset value.. 4400.39 BogoMIPS (lpj=22001960) [ 1.565634][ T0] pid_max: default: 32768 minimum: 301 [ 1.566865][ T0] LSM: Security Framework initializing [ 1.568366][ T0] landlock: Up and running. [ 1.569638][ T0] Yama: becoming mindful. [ 1.570580][ T0] TOMOYO Linux initialized [ 1.572142][ T0] AppArmor: AppArmor initialized [ 1.574621][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.576173][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.582310][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.583523][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.585282][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.588263][ T0] Spectre V2 : Mitigation: IBRS [ 1.589549][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.591390][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 1.593496][ T0] RETBleed: Mitigation: IBRS [ 1.594540][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.595972][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.598409][ T0] MDS: Mitigation: Clear CPU buffers [ 1.599682][ T0] TAA: Mitigation: Clear CPU buffers [ 1.600710][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.605108][ T0] Freeing SMP alternatives memory: 60K [ 1.727210][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.731561][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.733031][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.733484][ T1] Running RCU-tasks wait API self tests [ 1.833627][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.836954][ T1] rcu: Hierarchical SRCU implementation. [ 1.838292][ T1] rcu: Max phase no-delay instances is 1000. [ 1.842948][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.844226][ T1] smp: Bringing up secondary CPUs ... [ 1.846913][ T1] x86: Booting SMP configuration: [ 1.848457][ T1] .... node #0, CPUs: #1 [ 1.853551][ 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. [ 1.855874][ 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. [ 1.858154][ 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. [ 1.860805][ T1] smp: Brought up 1 node, 2 CPUs [ 1.861582][ T1] smpboot: Max logical packages: 1 [ 1.862296][ T1] smpboot: Total of 2 processors activated (8800.78 BogoMIPS) [ 1.930874][ T1] allocated 134217728 bytes of page_ext [ 1.932132][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.936557][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages [ 1.943727][ T11] Callback from call_rcu_tasks() invoked. [ 1.963524][ T1] Node 0, zone Normal: page owner found early allocated 33979 pages [ 1.965815][ T1] devtmpfs: initialized [ 1.986581][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.988415][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 1.992105][ T1] PM: RTC time: 09:34:49, date: 2022-09-04 [ 1.994692][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.001374][ T1] audit: initializing netlink subsys (disabled) [ 2.005462][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.005476][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.007360][ T24] audit: type=2000 audit(1662284089.072:1): state=initialized audit_enabled=0 res=1 [ 2.010936][ T1] cpuidle: using governor menu [ 2.018185][ T1] PCI: Using configuration type 1 for base access [ 2.165448][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.167354][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.182246][ T1] ACPI: Added _OSI(Module Device) [ 2.183955][ T1] ACPI: Added _OSI(Processor Device) [ 2.185740][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.187032][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.188117][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.189774][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.191777][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.294049][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.326768][ T1] ACPI: Interpreter enabled [ 2.328434][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.329583][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.330935][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.333494][ T1] PCI: Using E820 reservations for host bridge windows [ 2.338808][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.472181][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.473562][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.475513][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.478335][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.496647][ T1] PCI host bridge to bus 0000:00 [ 2.497827][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.500327][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.501957][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.503507][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.505720][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.508268][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.515690][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.538566][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.561448][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.566787][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.576411][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.585153][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.609233][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.621339][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.630550][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.655354][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.668459][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.700668][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.706953][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.718738][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.728302][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 2.749843][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 2.759128][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.766224][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 2.810489][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.816984][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.825998][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.833561][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.838248][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.853046][ T1] iommu: Default domain type: Translated [ 2.853496][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.857648][ T1] SCSI subsystem initialized [ 2.860310][ T1] ACPI: bus type USB registered [ 2.862007][ T1] usbcore: registered new interface driver usbfs [ 2.863845][ T1] usbcore: registered new interface driver hub [ 2.865482][ T1] usbcore: registered new device driver usb [ 2.868994][ T1] mc: Linux media interface: v0.10 [ 2.870523][ T1] videodev: Linux video capture interface: v2.00 [ 2.873683][ T1] pps_core: LinuxPPS API ver. 1 registered [ 2.875045][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.877323][ T1] PTP clock support registered [ 2.879147][ T1] EDAC MC: Ver: 3.0.0 [ 2.883512][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 2.889814][ T1] Bluetooth: Core ver 2.22 [ 2.891263][ T1] NET: Registered PF_BLUETOOTH protocol family [ 2.892561][ T1] Bluetooth: HCI device and connection manager initialized [ 2.893628][ T1] Bluetooth: HCI socket layer initialized [ 2.895139][ T1] Bluetooth: L2CAP socket layer initialized [ 2.897157][ T1] NET: Registered PF_ATMPVC protocol family [ 2.898708][ T1] NET: Registered PF_ATMSVC protocol family [ 2.900591][ T1] NetLabel: Initializing [ 2.901677][ T1] NetLabel: domain hash size = 128 [ 2.903512][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.906366][ T1] NetLabel: unlabeled traffic allowed by default [ 2.910352][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 2.912219][ T1] NET: Registered PF_NFC protocol family [ 2.913506][ T1] PCI: Using ACPI for IRQ routing [ 2.915693][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 2.917106][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 2.918633][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 2.920901][ T1] vgaarb: loaded [ 5.083917][ T1] clocksource: Switched to clocksource kvm-clock [ 5.095883][ T1] VFS: Disk quotas dquot_6.6.0 [ 5.097326][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 5.100847][ T1] TOMOYO: 2.6.0 [ 5.101451][ T1] Mandatory Access Control activated. [ 5.106244][ T1] AppArmor: AppArmor Filesystem Enabled [ 5.108459][ T1] pnp: PnP ACPI init [ 5.128734][ T1] pnp: PnP ACPI: found 7 devices [ 5.168892][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 5.173116][ T1] NET: Registered PF_INET protocol family [ 5.176371][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 5.190779][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear) [ 5.194093][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 5.196270][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 5.206507][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage) [ 5.214528][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 5.218233][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 5.223301][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 5.227342][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 5.231249][ T1] RPC: Registered named UNIX socket transport module. [ 5.233350][ T1] RPC: Registered udp transport module. [ 5.234355][ T1] RPC: Registered tcp transport module. [ 5.235811][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 5.239961][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 5.241778][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 5.242940][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 5.244447][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 5.247696][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 5.249713][ T1] PCI: CLS 0 bytes, default 64 [ 5.257720][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 5.259753][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 5.273682][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 5.275958][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6ebe4598, max_idle_ns: 440795211488 ns [ 5.278836][ T1] clocksource: Switched to clocksource tsc [ 5.285343][ T41] kworker/u4:2 (41) used greatest stack depth: 27960 bytes left [ 5.311265][ T45] kworker/u4:2 (45) used greatest stack depth: 27856 bytes left [ 5.526292][ T1] Initialise system trusted keyrings [ 5.528360][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 5.574392][ T65] kworker/u4:2 (65) used greatest stack depth: 27584 bytes left [ 5.576970][ T1] NFS: Registering the id_resolver key type [ 5.578650][ T1] Key type id_resolver registered [ 5.579838][ T1] Key type id_legacy registered [ 5.581326][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.593400][ T1] Key type asymmetric registered [ 5.594577][ T1] Asymmetric key parser 'x509' registered [ 5.596310][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 5.598197][ T1] io scheduler mq-deadline registered [ 5.599221][ T1] io scheduler kyber registered [ 5.611926][ T1] usbcore: registered new interface driver udlfb [ 5.614373][ T1] usbcore: registered new interface driver smscufx [ 5.617744][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 5.622413][ T1] ACPI: button: Power Button [PWRF] [ 5.624596][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 5.627094][ T1] ACPI: button: Sleep Button [SLPF] [ 5.649209][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.650765][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.668505][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.669981][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.691186][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.692657][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.706127][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 5.715549][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 5.718568][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 5.721891][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 5.722544][ T122] kworker/u4:2 (122) used greatest stack depth: 27336 bytes left [ 5.725214][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 5.728745][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 5.737091][ T1] Non-volatile memory driver v1.3 [ 5.755742][ T1] Linux agpgart interface v0.103 [ 5.760803][ T1] ACPI: bus type drm_connector registered [ 5.767014][ T1] usbcore: registered new interface driver udl [ 5.788541][ T171] kworker/u4:3 (171) used greatest stack depth: 27104 bytes left [ 5.802436][ T1] loop: module loaded [ 5.804910][ T1] usbcore: registered new interface driver rtsx_usb [ 5.807546][ T1] usbcore: registered new interface driver viperboard [ 5.810291][ T1] usbcore: registered new interface driver dln2 [ 5.813257][ T1] usbcore: registered new interface driver pn533_usb [ 5.815369][ T1] usbcore: registered new interface driver port100 [ 5.817122][ T1] usbcore: registered new interface driver nfcmrvl [ 5.840274][ T1] scsi host0: Virtio SCSI HBA [ 5.887389][ T1] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 6.022119][ T8] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 6.025249][ T8] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 6.027170][ T8] sd 0:0:1:0: [sda] Write Protect is off [ 6.028631][ T8] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 6.040494][ T8] sda: sda1 [ 6.042660][ T8] sd 0:0:1:0: [sda] Attached SCSI disk [ 6.045885][ T1] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 6.054965][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 6.057600][ T1] db_root: cannot open: /etc/target [ 6.136491][ T1] CAN device driver interface [ 6.138387][ T1] usbcore: registered new interface driver usb_8dev [ 6.140602][ T1] usbcore: registered new interface driver ems_usb [ 6.142506][ T1] usbcore: registered new interface driver gs_usb [ 6.144846][ T1] usbcore: registered new interface driver kvaser_usb [ 6.147235][ T1] usbcore: registered new interface driver mcba_usb [ 6.149543][ T1] usbcore: registered new interface driver peak_usb [ 6.151329][ T1] e100: Intel(R) PRO/100 Network Driver [ 6.152635][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 6.153979][ T1] e1000: Intel(R) PRO/1000 Network Driver [ 6.155033][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 6.156300][ T1] e1000e: Intel(R) PRO/1000 Network Driver [ 6.157257][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 6.158798][ T1] sky2: driver version 1.30 [ 6.160789][ T1] usbcore: registered new interface driver ath9k_htc [ 6.162149][ T1] usbcore: registered new interface driver carl9170 [ 6.163699][ T1] usbcore: registered new interface driver ath6kl_usb [ 6.164455][ C1] general protection fault, probably for non-canonical address 0xffff000000000000: 0000 [#1] PREEMPT SMP KASAN [ 6.166237][ T1] usbcore: registered new interface driver ar5523 [ 6.167422][ C1] KASAN: maybe wild-memory-access in range [0xfff8200000000000-0xfff8200000000007] [ 6.169031][ T1] usbcore: registered new interface driver ath10k_usb [ 6.171349][ C1] CPU: 1 PID: 137 Comm: kworker/u4:3 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 [ 6.173598][ T1] Atmel at76x USB Wireless LAN Driver 0.17 loading [ 6.173507][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 6.177917][ T1] usbcore: registered new interface driver at76c50x-usb [ 6.173507][ C1] Workqueue: events_unbound call_usermodehelper_exec_work [ 6.182541][ T1] usbcore: registered new interface driver brcmfmac [ 6.173507][ C1] RIP: 0010:rcu_core+0x7af/0x1780 [ 6.173507][ 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 [ 6.186004][ T1] orinoco 0.15 (David Gibson , Pavel Roskin , et al) [ 6.173507][ C1] RSP: 0000:ffffc90000178e68 EFLAGS: 00010246 [ 6.192222][ T1] usbcore: registered new interface driver orinoco_usb [ 6.173507][ C1] [ 6.173507][ C1] RAX: ffff000000000000 RBX: 0000000000000000 RCX: 9f31ab4a1a6ca106 [ 6.173507][ C1] RDX: 1ffff1102191985e RSI: ffffffff81322f8d RDI: ffff88810e6b9428 [ 6.196226][ T1] usbcore: registered new interface driver p54usb [ 6.173507][ C1] RBP: 0000000000000009 R08: 0000000000000000 R09: ffffffff8b0766df [ 6.198577][ T1] usbcore: registered new interface driver usb8xxx [ 6.173507][ C1] R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 [ 6.202993][ T1] usbcore: registered new interface driver lbtf_usb [ 6.173507][ C1] R13: ffffc90000178ed8 R14: 0000000000000008 R15: ffff88810e6b9428 [ 6.173507][ C1] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 6.173507][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.203866][ C1] CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 [ 6.207729][ T1] usbcore: registered new interface driver mwifiex_usb [ 6.203866][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.211159][ T1] usbcore: registered new interface driver mt7601u [ 6.203866][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.215518][ T1] usbcore: registered new interface driver rt2500usb [ 6.203866][ C1] Call Trace: [ 6.203866][ C1] [ 6.218943][ T1] usbcore: registered new interface driver rt73usb [ 6.203866][ C1] ? rcu_report_dead+0x680/0x680 [ 6.222954][ T1] usbcore: registered new interface driver rt2800usb [ 6.203866][ C1] __do_softirq+0x1c0/0x9a9 [ 6.203866][ C1] __irq_exit_rcu+0x113/0x170 [ 6.227651][ T1] usbcore: registered new interface driver rtl8187 [ 6.203866][ C1] irq_exit_rcu+0x5/0x20 [ 6.233285][ T1] usbcore: registered new interface driver rtl8192cu [ 6.203866][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 6.203866][ C1] [ 6.203866][ C1] [ 6.233684][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 6.234722][ C1] RIP: 0010:unwind_next_frame+0x6e/0x1cc0 [ 6.234722][ C1] Code: 41 5d 41 5e 41 5f c3 49 8d 6d 48 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 d4 15 00 00 49 8b 45 48 <48> 89 44 24 10 49 8d 45 38 48 89 c2 48 89 44 24 08 48 b8 00 00 00 [ 6.234722][ C1] RSP: 0000:ffffc90000507490 EFLAGS: 00000246 [ 6.234722][ C1] RAX: ffffffff8114e22d RBX: 0000000000000001 RCX: 0000000000000000 [ 6.234722][ C1] RDX: 1ffff920000a0ea9 RSI: ffffffff8114e22d RDI: ffffc90000507500 [ 6.234722][ C1] RBP: ffffc90000507548 R08: 0000000000000001 R09: ffffc90000507534 [ 6.234722][ C1] R10: fffff520000a0eab R11: ffffc90000507be8 R12: ffffc900005075b8 [ 6.234722][ C1] R13: ffffc90000507500 R14: ffff88810c8cb900 R15: 0000000000000cc0 [ 6.234722][ C1] ? user_mode_thread+0xad/0xe0 [ 6.234722][ C1] ? user_mode_thread+0xad/0xe0 [ 6.234722][ C1] ? kernel_clone+0xe7/0xab0 [ 6.234722][ C1] ? user_mode_thread+0xad/0xe0 [ 6.234722][ C1] ? kernel_text_address+0xd/0x60 [ 6.234722][ C1] ? write_profile+0x4a0/0x4a0 [ 6.234722][ C1] arch_stack_walk+0x7d/0xe0 [ 6.234722][ C1] ? user_mode_thread+0xad/0xe0 [ 6.234722][ C1] stack_trace_save+0x8c/0xc0 [ 6.234722][ C1] ? filter_irq_stacks+0x90/0x90 [ 6.234722][ C1] ? __lock_acquire+0x166e/0x56d0 [ 6.234722][ C1] kasan_save_stack+0x1e/0x40 [ 6.234722][ C1] ? kasan_save_stack+0x1e/0x40 [ 6.234722][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 6.234722][ C1] ? kmem_cache_alloc+0x354/0x4a0 [ 6.234722][ C1] ? dup_fd+0x89/0xca0 [ 6.234722][ C1] ? copy_process+0x2282/0x6de0 [ 6.234722][ C1] ? kernel_clone+0xe7/0xab0 [ 6.234722][ C1] ? user_mode_thread+0xad/0xe0 [ 6.234722][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 6.234722][ C1] ? kasan_save_stack+0x2e/0x40 [ 6.234722][ C1] ? kasan_save_stack+0x1e/0x40 [ 6.234722][ C1] ? __kasan_kmalloc+0x81/0xa0 [ 6.234722][ C1] ? security_task_alloc+0x10b/0x250 [ 6.234722][ C1] ? copy_process+0x21cb/0x6de0 [ 6.234722][ C1] ? find_held_lock+0x2d/0x110 [ 6.234722][ C1] ? kmem_cache_alloc+0x43/0x4a0 [ 6.234722][ C1] ? kasan_unpoison+0x23/0x50 [ 6.234722][ C1] __kasan_slab_alloc+0x66/0x80 [ 6.234722][ C1] kmem_cache_alloc+0x354/0x4a0 [ 6.234722][ C1] dup_fd+0x89/0xca0 [ 6.234722][ C1] ? apparmor_task_alloc+0x2bb/0x3b0 [ 6.234722][ C1] ? security_task_alloc+0xe0/0x250 [ 6.234722][ C1] copy_process+0x2282/0x6de0 [ 6.234722][ C1] ? mark_lock.part.0+0xee/0x1910 [ 6.234722][ C1] ? __cleanup_sighand+0xb0/0xb0 [ 6.234722][ C1] ? is_dynamic_key.part.0+0x130/0x130 [ 6.234722][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 6.234722][ C1] ? mark_lock.part.0+0xee/0x1910 [ 6.234722][ C1] kernel_clone+0xe7/0xab0 [ 6.234722][ C1] ? create_io_thread+0xe0/0xe0 [ 6.234722][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 6.234722][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 6.234722][ C1] ? umh_complete+0x90/0x90 [ 6.234722][ C1] user_mode_thread+0xad/0xe0 [ 6.234722][ C1] ? kernel_thread+0xf0/0xf0 [ 6.234722][ C1] ? umh_complete+0x90/0x90 [ 6.234722][ C1] call_usermodehelper_exec_work+0xcc/0x180 [ 6.234722][ C1] process_one_work+0x991/0x1610 [ 6.234722][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 6.234722][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 6.234722][ C1] ? _raw_spin_lock_irq+0x41/0x50 [ 6.234722][ C1] worker_thread+0x665/0x1080 [ 6.234722][ C1] ? __kthread_parkme+0x15f/0x220 [ 6.234722][ C1] ? process_one_work+0x1610/0x1610 [ 6.234722][ C1] kthread+0x2ea/0x3a0 [ 6.234722][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 6.234722][ C1] ret_from_fork+0x1f/0x30 [ 6.234722][ C1] [ 6.234722][ C1] Modules linked in: [ 6.243659][ T37] general protection fault, probably for non-canonical address 0xffff000000000300: 0000 [#2] PREEMPT SMP KASAN [ 6.333460][ C1] ---[ end trace 0000000000000000 ]--- [ 6.333473][ C1] RIP: 0010:rcu_core+0x7af/0x1780 [ 6.243659][ T37] KASAN: maybe wild-memory-access in range [0xfff8200000001800-0xfff8200000001807] [ 6.337645][ 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 [ 6.243659][ T37] CPU: 0 PID: 37 Comm: kworker/u4:2 Tainted: G D 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 [ 6.340789][ C1] RSP: 0000:ffffc90000178e68 EFLAGS: 00010246 [ 6.243659][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 6.243659][ T37] Workqueue: events_unbound call_usermodehelper_exec_work [ 6.348387][ C1] [ 6.348395][ C1] RAX: ffff000000000000 RBX: 0000000000000000 RCX: 9f31ab4a1a6ca106 [ 6.243659][ T37] [ 6.243659][ T37] RIP: 0010:kmem_cache_alloc+0x15d/0x4a0 [ 6.352378][ C1] RDX: 1ffff1102191985e RSI: ffffffff81322f8d RDI: ffff88810e6b9428 [ 6.243659][ T37] 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 [ 6.243659][ T37] RSP: 0000:ffffc900004878f0 EFLAGS: 00010246 [ 6.354558][ C1] RBP: 0000000000000009 R08: 0000000000000000 R09: ffffffff8b0766df [ 6.243659][ T37] [ 6.243659][ T37] RAX: ffff000000000000 RBX: 0000000000000000 RCX: 0000000000000300 [ 6.357181][ C1] R10: fffffbfff160ecdb R11: 0000000000000001 R12: dffffc0000000000 [ 6.243659][ T37] RDX: 00000000000005b8 RSI: 0000000000000dc0 RDI: 000000000003e300 [ 6.361519][ C1] R13: ffffc90000178ed8 R14: 0000000000000008 R15: ffff88810e6b9428 [ 6.243659][ T37] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff88de9657 [ 6.243659][ T37] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810016d500 [ 6.367880][ C1] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 6.243659][ T37] R13: 0000000000000dc0 R14: ffffffff811486fe R15: 0000000000000dc0 [ 6.370447][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.243659][ T37] FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 6.373743][ C1] CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 [ 6.243659][ T37] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.377870][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.243659][ T37] CR2: ffff88823ffff000 CR3: 0000000007825000 CR4: 00000000003506f0 [ 6.381009][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.243659][ T37] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6.385067][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 6.243659][ T37] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6.243659][ T37] Call Trace: [ 6.243659][ T37] [ 6.243659][ T37] copy_process+0x256e/0x6de0 [ 6.243659][ T37] ? mark_lock.part.0+0xee/0x1910 [ 6.243659][ T37] ? mark_lock.part.0+0xee/0x1910 [ 6.243659][ T37] ? __cleanup_sighand+0xb0/0xb0 [ 6.243659][ T37] ? wake_up_new_task+0x741/0xc80 [ 6.243659][ T37] ? sched_clock_local+0x139/0x1d0 [ 6.243659][ T37] kernel_clone+0xe7/0xab0 [ 6.243659][ T37] ? create_io_thread+0xe0/0xe0 [ 6.243659][ T37] ? update_load_avg+0x1261/0x1d10 [ 6.243659][ T37] ? rcu_read_lock_sched_held+0xd/0x70 [ 6.243659][ T37] ? rcu_read_lock_sched_held+0xd/0x70 [ 6.243659][ T37] ? lock_release+0x560/0x780 [ 6.243659][ T37] ? lock_release+0x560/0x780 [ 6.243659][ T37] ? try_to_wake_up+0xe58/0x1c20 [ 6.243659][ T37] ? lock_downgrade+0x6e0/0x6e0 [ 6.243659][ T37] ? lock_downgrade+0x6e0/0x6e0 [ 6.243659][ T37] ? umh_complete+0x90/0x90 [ 6.243659][ T37] user_mode_thread+0xad/0xe0 [ 6.243659][ T37] ? kernel_thread+0xf0/0xf0 [ 6.243659][ T37] ? umh_complete+0x90/0x90 [ 6.243659][ T37] ? push_cpu_stop+0x9e0/0x9e0 [ 6.243659][ T37] ? read_word_at_a_time+0xe/0x20 [ 6.243659][ T37] ? strscpy+0xa1/0x2a0 [ 6.243659][ T37] call_usermodehelper_exec_work+0xcc/0x180 [ 6.243659][ T37] process_one_work+0x991/0x1610 [ 6.243659][ T37] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 6.243659][ T37] ? rwlock_bug.part.0+0x90/0x90 [ 6.243659][ T37] worker_thread+0x665/0x1080 [ 6.243659][ T37] ? __kthread_parkme+0x15f/0x220 [ 6.243659][ T37] ? process_one_work+0x1610/0x1610 [ 6.243659][ T37] kthread+0x2ea/0x3a0 [ 6.243659][ T37] ? kthread_complete_and_exit+0x40/0x40 [ 6.243659][ T37] ret_from_fork+0x1f/0x30 [ 6.243659][ T37] [ 6.243659][ T37] Modules linked in: [ 6.395053][ C1] Kernel Offset: disabled [ 6.395053][ 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="" 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-build2598779096=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at 2f1548bc7 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=2f1548bc77986e756b536eaa15726b483a0b1858 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Thu Sep 26 21:52:00 2019 +0200'" "-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=2f1548bc77986e756b536eaa15726b483a0b1858 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Thu Sep 26 21:52:00 2019 +0200'" "-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=2f1548bc77986e756b536eaa15726b483a0b1858 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Thu Sep 26 21:52:00 2019 +0200'" "-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=\"2f1548bc77986e756b536eaa15726b483a0b1858\" make[1]: Leaving directory '/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller'