INFO: task syz-executor:10354 blocked for more than 147 seconds. Not tainted 6.14.0-rc7-syzkaller-00183-g70facbf978ac #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:21280 pid:10354 tgid:10354 ppid:1 task_flags:0x400140 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5378 [inline] __schedule+0x190e/0x4c90 kernel/sched/core.c:6765 __schedule_loop kernel/sched/core.c:6842 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6857 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 new_device_store+0x1b4/0x890 drivers/net/netdevsim/bus.c:166 kernfs_fop_write_iter+0x3a0/0x500 fs/kernfs/file.c:334 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f936b38bc1f RSP: 002b:00007ffdfc3d5360 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f936b38bc1f RDX: 0000000000000003 RSI: 00007ffdfc3d53b0 RDI: 0000000000000005 RBP: 00007f936b40f521 R08: 0000000000000000 R09: 00007ffdfc3d51b7 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 00007ffdfc3d53b0 R14: 00007f936c0d4620 R15: 0000000000000003 Showing all locks held in the system: 13 locks held by kworker/u8:1/13: 1 lock held by khungtaskd/31: #0: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8eb393e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6746 5 locks held by kworker/u8:3/54: #0: ffff88801bef6148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline] #0: ffff88801bef6148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 kernel/workqueue.c:3319 #1: ffffc90000bf7c60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc90000bf7c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 kernel/workqueue.c:3319 #2: ffffffff8fec9750 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 net/core/net_namespace.c:606 #3: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: ieee80211_unregister_hw+0x55/0x2c0 net/mac80211/main.c:1674 #4: ffff888055b68768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #4: ffff888055b68768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 net/mac80211/iface.c:2281 3 locks held by kworker/u8:8/4686: #0: ffff88801bf85948 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline] #0: ffff88801bf85948 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 kernel/workqueue.c:3319 #1: ffffc9000f447c60 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc9000f447c60 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 kernel/workqueue.c:3319 #2: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: cfg80211_dfs_channels_update_work+0xbf/0x610 net/wireless/mlme.c:1022 2 locks held by getty/5595: #0: ffff888031c230a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900032fb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x616/0x1770 drivers/tty/n_tty.c:2211 3 locks held by kworker/u8:10/8174: #0: ffff88801b089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline] #0: ffff88801b089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 kernel/workqueue.c:3319 #1: ffffc90004d4fc60 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc90004d4fc60 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 kernel/workqueue.c:3319 #2: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:285 4 locks held by syz-executor/10354: #0: ffff888035d7e420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:3035 [inline] #0: ffff888035d7e420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x225/0xd10 fs/read_write.c:675 #1: ffff88807a04b488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1ea/0x500 fs/kernfs/file.c:325 #2: ffff8880279a73c8 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20e/0x500 fs/kernfs/file.c:326 #3: ffffffff8f77c3a8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: new_device_store+0x1b4/0x890 drivers/net/netdevsim/bus.c:166 7 locks held by syz-executor/10369: #0: ffff888035d7e420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:3035 [inline] #0: ffff888035d7e420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x225/0xd10 fs/read_write.c:675 #1: ffff88803514bc88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1ea/0x500 fs/kernfs/file.c:325 #2: ffff8880279a74b8 (kn->active#49){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20e/0x500 fs/kernfs/file.c:326 #3: ffffffff8f77c3a8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 #4: ffff88805b01b0e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1030 [inline] #4: ffff88805b01b0e8 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] #4: ffff88805b01b0e8 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1293 #5: ffff88805b01c250 (&devlink->lock_key#47){+.+.}-{4:4}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1675 #6: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0xa4/0x620 drivers/net/netdevsim/netdev.c:1016 1 lock held by syz-executor/10387: #0: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:698 [inline] #0: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517 3 locks held by syz-executor/10449: #0: ffff88802951cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline] #0: ffff88802951cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2678 #1: ffff88802951c078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x60d/0x1260 net/bluetooth/hci_sync.c:5185 #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2041 [inline] #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2698 2 locks held by syz-executor/10453: #0: ffffffff8fec9750 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512 #1: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: setup_net+0x602/0x9e0 net/core/net_namespace.c:384 3 locks held by syz-executor/10467: #0: ffff888065c3cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline] #0: ffff888065c3cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2678 #1: ffff888065c3c078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x60d/0x1260 net/bluetooth/hci_sync.c:5185 #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2041 [inline] #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2698 3 locks held by syz-executor/10471: #0: ffff888051188d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline] #0: ffff888051188d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2678 #1: ffff888051188078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x60d/0x1260 net/bluetooth/hci_sync.c:5185 #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2041 [inline] #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2698 3 locks held by syz-executor/10475: #0: ffff88805542cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline] #0: ffff88805542cd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2678 #1: ffff88805542c078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x60d/0x1260 net/bluetooth/hci_sync.c:5185 #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2041 [inline] #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2698 4 locks held by syz-executor/10478: #0: ffff888064cbcd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline] #0: ffff888064cbcd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2678 #1: ffff888064cbc078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x60d/0x1260 net/bluetooth/hci_sync.c:5185 #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2041 [inline] #2: ffffffff9003b788 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2698 #3: ffff88804ba69338 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x71/0x690 net/bluetooth/l2cap_core.c:1761 3 locks held by syz-executor/10482: #0: ffff88804ba74d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline] #0: ffff88804ba74d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2678 #1: ffff88804ba74078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x60d/0x1260 net/bluetooth/hci_sync.c:5185 #2: ffffffff8eb3e8b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:334 [inline] #2: ffffffff8eb3e8b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x820 kernel/rcu/tree_exp.h:996 2 locks held by syz-executor/10488: #0: ffffffff8fec9750 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512 #1: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: ip_tunnel_init_net+0x29a/0x7e0 net/ipv4/ip_tunnel.c:1159 4 locks held by syz-executor/10495: #0: ffffffff8fec9750 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512 #1: ffffffff8fc4cb90 (devices_rwsem){++++}-{4:4}, at: rdma_dev_init_net+0x198/0x280 drivers/infiniband/core/device.c:1169 #2: ffffffff8fc4cd50 (rdma_nets_rwsem){++++}-{4:4}, at: rdma_dev_init_net+0x1e6/0x280 drivers/infiniband/core/device.c:1174 #3: ffff888053c10f48 (&device->compat_devs_mutex){+.+.}-{4:4}, at: add_one_compat_dev+0x10d/0x710 drivers/infiniband/core/device.c:933 2 locks held by syz-executor/10498: #0: ffffffff8fec9750 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512 #1: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock_killable include/linux/rtnetlink.h:144 [inline] #1: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: register_netdev+0x18/0x50 net/core/dev.c:11056 6 locks held by syz-executor/10502: #0: ffffffff8fec9750 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512 #1: ffffffff8fc4cb90 (devices_rwsem){++++}-{4:4}, at: rdma_dev_init_net+0x198/0x280 drivers/infiniband/core/device.c:1169 #2: ffffffff8fc4cd50 (rdma_nets_rwsem){++++}-{4:4}, at: rdma_dev_init_net+0x1e6/0x280 drivers/infiniband/core/device.c:1174 #3: ffff888053c10f48 (&device->compat_devs_mutex){+.+.}-{4:4}, at: add_one_compat_dev+0x10d/0x710 drivers/infiniband/core/device.c:933 #4: ffff888053c11240 (&rxe->usdev_lock){+.+.}-{4:4}, at: rxe_query_port+0x7e/0x3b0 drivers/infiniband/sw/rxe/rxe_verbs.c:61 #5: ffffffff8fed5f88 (rtnl_mutex){+.+.}-{4:4}, at: ib_get_eth_speed+0x153/0x800 drivers/infiniband/core/verbs.c:1995 4 locks held by syz-executor/10505: #0: ffffffff8fec9750 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:512 #1: ffffffff8fc4cb90 (devices_rwsem){++++}-{4:4}, at: rdma_dev_init_net+0x198/0x280 drivers/infiniband/core/device.c:1169 #2: ffffffff8fc4cd50 (rdma_nets_rwsem){++++}-{4:4}, at: rdma_dev_init_net+0x1e6/0x280 drivers/infiniband/core/device.c:1174 #3: ffff888053c10f48 (&device->compat_devs_mutex){+.+.}-{4:4}, at: add_one_compat_dev+0x10d/0x710 drivers/infiniband/core/device.c:933 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.14.0-rc7-syzkaller-00183-g70facbf978ac #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:236 [inline] watchdog+0x1058/0x10a0 kernel/hung_task.c:399 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.14.0-rc7-syzkaller-00183-g70facbf978ac #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: bond3 bond_alb_monitor RIP: 0010:hlock_class kernel/locking/lockdep.c:230 [inline] RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3818 [inline] RIP: 0010:validate_chain+0x126/0x5920 kernel/locking/lockdep.c:3874 Code: 04 00 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 40 c8 54 94 be 08 00 00 00 e8 e2 93 8b 00 48 0f a3 1d 9a 39 b7 12 <72> 66 48 c7 c0 80 39 65 9a 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 RSP: 0018:ffffc900000058e0 EFLAGS: 00000057 RAX: 0000000000000001 RBX: 0000000000000592 RCX: ffffffff819d8e9e RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9454c8f0 RBP: ffffc90000005be0 R08: ffffffff9454c8f7 R09: 1ffffffff28a991e R10: dffffc0000000000 R11: fffffbfff28a991f R12: dffffc0000000000 R13: ffff88801ce98d18 R14: e66bf87e24c0a130 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd5231dfd8 CR3: 00000000347b6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] get_random_u16+0x1b3/0xa80 drivers/char/random.c:552 cake_get_flow_quantum+0x191/0x290 net/sched/sch_cake.c:687 cake_dequeue+0x2b04/0x4be0 net/sched/sch_cake.c:2106 dequeue_skb net/sched/sch_generic.c:293 [inline] qdisc_restart net/sched/sch_generic.c:398 [inline] __qdisc_run+0x272/0x2180 net/sched/sch_generic.c:416 __dev_xmit_skb net/core/dev.c:4111 [inline] __dev_queue_xmit+0x10dd/0x3f50 net/core/dev.c:4618 dev_queue_xmit include/linux/netdevice.h:3313 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip_finish_output2+0xcd3/0x12e0 net/ipv4/ip_output.c:236 iptunnel_xmit+0x55d/0x9b0 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1dbf/0x2560 net/ipv4/ip_tunnel.c:858 __gre_xmit net/ipv4/ip_gre.c:484 [inline] gre_tap_xmit+0x641/0x800 net/ipv4/ip_gre.c:772 __netdev_start_xmit include/linux/netdevice.h:5151 [inline] netdev_start_xmit include/linux/netdevice.h:5160 [inline] xmit_one net/core/dev.c:3800 [inline] dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816 sch_direct_xmit+0x29c/0x5d0 net/sched/sch_generic.c:343 qdisc_restart net/sched/sch_generic.c:408 [inline] __qdisc_run+0xc0e/0x2180 net/sched/sch_generic.c:416 __dev_xmit_skb net/core/dev.c:4044 [inline] __dev_queue_xmit+0x1ad9/0x3f50 net/core/dev.c:4618 dev_queue_xmit include/linux/netdevice.h:3313 [inline] bond_dev_queue_xmit+0x147/0x250 drivers/net/bonding/bond_main.c:309 __bond_start_xmit drivers/net/bonding/bond_main.c:5583 [inline] bond_start_xmit+0xcb0/0x1c40 drivers/net/bonding/bond_main.c:5605 __netdev_start_xmit include/linux/netdevice.h:5151 [inline] netdev_start_xmit include/linux/netdevice.h:5160 [inline] xmit_one net/core/dev.c:3800 [inline] dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4652 neigh_output include/net/neighbour.h:539 [inline] ip6_finish_output2+0x12bc/0x17c0 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline] ip6_finish_output+0x41e/0x840 net/ipv6/ip6_output.c:226 NF_HOOK include/linux/netfilter.h:314 [inline] ndisc_send_skb+0xb52/0x1530 net/ipv6/ndisc.c:513 addrconf_rs_timer+0x371/0x670 net/ipv6/addrconf.c:4033 call_timer_fn+0x187/0x650 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2445 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 do_softirq+0x11b/0x1e0 kernel/softirq.c:462 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:389 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline] __dev_queue_xmit+0x1775/0x3f50 net/core/dev.c:4679 dev_queue_xmit include/linux/netdevice.h:3313 [inline] alb_send_lp_vid+0x3b1/0x650 drivers/net/bonding/bond_alb.c:949 alb_send_learning_packets+0x19b/0x380 drivers/net/bonding/bond_alb.c:1012 bond_alb_monitor+0x3f3/0x1750 drivers/net/bonding/bond_alb.c:1564 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd30 kernel/workqueue.c:3400 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244