syz-executor.3: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.3 cpuset=/ mems_allowed=0-1 CPU: 0 PID: 10424 Comm: syz-executor.3 Not tainted 4.14.216-syzkaller #0 INFO: task kworker/1:0:853 blocked for more than 140 seconds. Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 Not tainted 4.14.216-syzkaller #0 warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255 __alloc_pages_slowpath mm/page_alloc.c:4102 [inline] __alloc_pages_nodemask+0x2127/0x2720 mm/page_alloc.c:4205 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline] kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286 kworker/1:0 D kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321 27704 853 2 0x80000000 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline] kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058 Workqueue: usb_hub_wq hub_event vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 Call Trace: entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc80e417c68 EFLAGS: 00000246 context_switch kernel/sched/core.c:2808 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3384 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000007 RBP: 000000000119c068 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034 R13: 00007ffdf124ceef R14: 00007fc80e4189c0 R15: 000000000119c034 schedule+0x8d/0x1b0 kernel/sched/core.c:3428 usb_kill_urb.part.0+0x125/0x190 drivers/usb/core/urb.c:691 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:686 usb_start_wait_urb+0x209/0x440 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:100 [inline] usb_control_msg+0x302/0x450 drivers/usb/core/message.c:151 Mem-Info: active_anon:764277 inactive_anon:4709 isolated_anon:0 active_file:2223 inactive_file:5857 isolated_file:0 unevictable:0 dirty:32 writeback:0 unstable:0 slab_reclaimable:12612 slab_unreclaimable:137368 mapped:58559 shmem:4909 pagetables:7697 bounce:0 free:697374 free_pcp:616 free_cma:0 hub_port_init+0xfdc/0x2970 drivers/usb/core/hub.c:4555 hub_port_connect drivers/usb/core/hub.c:4905 [inline] hub_port_connect_change drivers/usb/core/hub.c:5088 [inline] port_event drivers/usb/core/hub.c:5194 [inline] hub_event+0x1923/0x3dc0 drivers/usb/core/hub.c:5274 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 Node 0 active_anon:2002692kB inactive_anon:18812kB active_file:56kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:213288kB dirty:16kB writeback:0kB shmem:19596kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1585152kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Showing all locks held in the system: 1 lock held by khungtaskd/1532: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548 Node 1 active_anon:1054240kB inactive_anon:24kB active_file:8836kB inactive_file:23436kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20896kB dirty:112kB writeback:0kB shmem:40kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 2 locks held by login/7924: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 Node 0 #1: (&tty->atomic_write_lock){+.+.}, at: [] tty_write_lock drivers/tty/tty_io.c:885 [inline] #1: (&tty->atomic_write_lock){+.+.}, at: [] do_tty_write drivers/tty/tty_io.c:908 [inline] #1: (&tty->atomic_write_lock){+.+.}, at: [] tty_write+0x22d/0x740 drivers/tty/tty_io.c:1043 5 locks held by kworker/1:0/853: #0: ("usb_hub_wq"){+.+.}, at: [] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087 #1: ((&hub->events)){+.+.}, at: [] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091 #2: (&dev->mutex){....}, at: [] device_lock include/linux/device.h:1081 [inline] #2: (&dev->mutex){....}, at: [] hub_event+0x108/0x3dc0 drivers/usb/core/hub.c:5220 #3: (&port_dev->status_lock){+.+.}, at: [] usb_lock_port drivers/usb/core/hub.c:2934 [inline] #3: (&port_dev->status_lock){+.+.}, at: [] hub_port_connect drivers/usb/core/hub.c:4904 [inline] #3: (&port_dev->status_lock){+.+.}, at: [] hub_port_connect_change drivers/usb/core/hub.c:5088 [inline] #3: (&port_dev->status_lock){+.+.}, at: [] port_event drivers/usb/core/hub.c:5194 [inline] #3: (&port_dev->status_lock){+.+.}, at: [] hub_event+0x190e/0x3dc0 drivers/usb/core/hub.c:5274 #4: (hcd->address0_mutex){+.+.}, at: [] hub_port_init+0x15b/0x2970 drivers/usb/core/hub.c:4429 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1532 Comm: khungtaskd Not tainted 4.14.216-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x5b9/0xb40 kernel/hung_task.c:274 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 10424 Comm: syz-executor.3 Not tainted 4.14.216-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8881f5eb0200 task.stack: ffff8881e5d90000 RIP: 0010:lock_acquire+0x1b/0x3f0 kernel/locking/lockdep.c:3987 RSP: 0018:ffff8880ba407820 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 000000000045e219 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f776c0 RBP: 000000000045e219 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000145fa8 R11: 0000000000000001 R12: ffff8880ba407940 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 FS: 00007fc80e418700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f63ec398000 CR3: 000000022f00b000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:629 [inline] is_bpf_text_address+0x35/0x150 kernel/bpf/core.c:456 kernel_text_address kernel/extable.c:150 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:120 __kernel_text_address+0x9/0x30 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:252 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:247 __save_stack_trace+0xa0/0x160 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 kmem_cache_alloc+0x124/0x3c0 mm/slab.c:3552 skb_clone+0x126/0x9a0 net/core/skbuff.c:1282 frame_get_tagged_skb net/hsr/hsr_forward.c:195 [inline] hsr_forward_do net/hsr/hsr_forward.c:283 [inline] hsr_forward_skb+0xf4f/0x19c0 net/hsr/hsr_forward.c:373 send_hsr_supervision_frame+0x8e3/0xf00 net/hsr/hsr_device.c:321 hsr_announce+0xf0/0x330 net/hsr/hsr_device.c:350 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 __run_timers kernel/time/timer.c:1637 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1685 [inline] RIP: 0010:vprintk_emit+0x549/0x620 kernel/printk/printk.c:1922 RSP: 0018:ffff8881e5d97408 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000040000 RBX: 1ffffffff11e1251 RCX: ffffc90010749000 RDX: 0000000000040000 RSI: ffffffff8143ef94 RDI: 0000000000000246 RBP: ffff8881e5d97440 R08: ffffffff8b9b55e8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000007 R13: ffff8880b2de6540 R14: 0000000000000246 R15: 0000000000000000 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 show_node mm/page_alloc.c:4514 [inline] show_free_areas.cold+0xd4f/0x1275 mm/page_alloc.c:4772 show_mem+0x34/0x177 lib/show_mem.c:18 warn_alloc_show_mem mm/page_alloc.c:3226 [inline] warn_alloc.cold+0x132/0x1cc mm/page_alloc.c:3256 __alloc_pages_slowpath mm/page_alloc.c:4102 [inline] __alloc_pages_nodemask+0x2127/0x2720 mm/page_alloc.c:4205 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline] kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline] kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007fc80e417c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000007 RBP: 000000000119c068 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034 R13: 00007ffdf124ceef R14: 00007fc80e4189c0 R15: 000000000119c034 Code: e9 34 fe ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 45 89 c7 41 56 41 89 ce 41 55 41 89 d5 41 54 <41> 89 f4 55 48 89 fd 53 65 48 8b 1c 25 80 df 01 00 48 8d bb 84