batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready Bluetooth: hci2 command 0x0409 tx timeout 8021q: adding VLAN 0 to HW filter on device bond0 INFO: task kworker/0:5:9245 blocked for more than 140 seconds. IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Not tainted 4.14.225-syzkaller #0 IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:5 D IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready 26776 9245 2 0x80000000 IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Workqueue: usb_hub_wq hub_event IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3384 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready schedule+0x8d/0x1b0 kernel/sched/core.c:3428 IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready usb_kill_urb.part.0+0x125/0x190 drivers/usb/core/urb.c:691 IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:686 usb_start_wait_urb+0x209/0x440 drivers/usb/core/message.c:62 IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready usb_internal_control_msg drivers/usb/core/message.c:100 [inline] usb_control_msg+0x302/0x450 drivers/usb/core/message.c:151 IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state usb_get_descriptor+0xc0/0x160 drivers/usb/core/message.c:652 bridge0: port 2(bridge_slave_1) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready usb_get_device_descriptor+0x71/0xd0 drivers/usb/core/message.c:924 IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready hub_port_init+0x629/0x2970 drivers/usb/core/hub.c:4647 IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready 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+0x18fd/0x3d70 drivers/usb/core/hub.c:5274 IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network kthread+0x30d/0x420 kernel/kthread.c:232 IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready Showing all locks held in the system: 1 lock held by khungtaskd/1532: IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready #0: (tasklist_lock){.+.?}, at: [] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548 IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready 1 lock held by in:imklog/7698: #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0x1fb/0x2b0 fs/file.c:769 5 locks held by kworker/0:5/9245: #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+0x108/0x3d70 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+0x18e8/0x3d70 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 0 IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready CPU: 0 PID: 1532 Comm: khungtaskd Not tainted 4.14.225-syzkaller #0 8021q: adding VLAN 0 to HW filter on device batadv0 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4615 Comm: systemd-journal Not tainted 4.14.225-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a1aaa600 task.stack: ffff8880a1ab0000 RIP: 0010:__lock_acquire+0x60e/0x3f20 kernel/locking/lockdep.c:3468 RSP: 0018:ffff8880a1ab7b18 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1ffff110143555d5 RDX: 1ffffffff173a8d0 RSI: ffff8880a1aaae88 RDI: ffffffff8b9d4680 RBP: ffff8880a1aaaeaa R08: 0000000000000001 R09: 00000000000c0022 R10: ffff8880a1aaae88 R11: ffff8880a1aaa600 R12: ffff8880a1aaaea0 R13: 0000000000000022 R14: 0000000000000022 R15: ffffffff8beb5d40 FS: 00007fd8938438c0(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbcb3a2bd30 CR3: 00000000a1aef000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] ____cache_alloc_node+0x3c/0x1d0 mm/slab.c:3254 fallback_alloc+0x231/0x2c0 mm/slab.c:3221 __do_cache_alloc mm/slab.c:3354 [inline] slab_alloc mm/slab.c:3382 [inline] kmem_cache_alloc+0x1e5/0x3c0 mm/slab.c:3550 getname_flags+0xc8/0x550 fs/namei.c:138 getname fs/namei.c:209 [inline] user_path_create fs/namei.c:3732 [inline] SYSC_mkdirat fs/namei.c:3864 [inline] SyS_mkdirat+0x83/0x270 fs/namei.c:3856 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd892aff687 RSP: 002b:00007ffdf9fd48c8 EFLAGS: 00000293 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffdf9fd7930 RCX: 00007fd892aff687 RDX: 0000000000000000 RSI: 00000000000001ed RDI: 0000556755a108a0 RBP: 00007ffdf9fd4900 R08: 00005567549c03e5 R09: 0000000000000018 R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000556755a108a0 R15: 00007ffdf9fd4f40 Code: 89 d6 4c 89 df ba 08 00 00 00 4c 89 54 24 28 4c 89 5c 24 20 e8 34 e3 ff ff 4c 8b 5c 24 20 85 c0 4c 8b 54 24 28 0f 84 70 fb ff ff <48> b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 0f b6 14 02