INFO: task dhcpcd:4759 blocked for more than 143 seconds. Not tainted 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:20672 pid:4759 tgid:4759 ppid:4758 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1101 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1003 sock_do_ioctl+0x158/0x460 net/socket.c:1222 sock_ioctl+0x629/0x8e0 net/socket.c:1341 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 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: 0033:0x7f9090ec9d49 RSP: 002b:00007ffe0ff42cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9090dfb6c0 RCX: 00007f9090ec9d49 RDX: 00007ffe0ff52eb8 RSI: 0000000000008914 RDI: 0000000000000016 RBP: 00007ffe0ff63078 R08: 00007ffe0ff52e78 R09: 00007ffe0ff52e28 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0ff52eb8 R14: 0000000000000028 R15: 0000000000008914 INFO: task udevd:5095 blocked for more than 144 seconds. Not tainted 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:23920 pid:5095 tgid:5095 ppid:4545 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 device_lock include/linux/device.h:1009 [inline] uevent_show+0x17d/0x340 drivers/base/core.c:2743 dev_attr_show+0x55/0xc0 drivers/base/core.c:2437 sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59 seq_read_iter+0x445/0xd60 fs/seq_file.c:230 new_sync_read fs/read_write.c:395 [inline] vfs_read+0x9bd/0xbc0 fs/read_write.c:476 ksys_read+0x1a0/0x2c0 fs/read_write.c:619 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: 0033:0x7f9bed56cb6a RSP: 002b:00007ffccabcc8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000563907850730 RCX: 00007f9bed56cb6a RDX: 0000000000001000 RSI: 0000563907886eb0 RDI: 0000000000000008 RBP: 0000563907850730 R08: 0000000000000008 R09: 0000000000000008 R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000003fff R14: 00007ffccabccdd8 R15: 000000000000000a INFO: task syz.0.2487:15080 blocked for more than 144 seconds. Not tainted 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.2487 state:D stack:24752 pid:15080 tgid:15079 ppid:14670 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 ethnl_default_doit+0x562/0xd80 net/ethtool/netlink.c:401 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2564 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2668 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: 0033:0x7f747c975bd9 RSP: 002b:00007f747d6d9048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f747cb03f60 RCX: 00007f747c975bd9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 00007f747c9e4aa1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f747cb03f60 R15: 00007f747cc2fa68 Showing all locks held in the system: 2 locks held by kworker/0:1/9: 4 locks held by kworker/u8:1/12: #0: ffff888015ed5948 ( (wq_completion)netns ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3223 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc90000117d00 (net_cleanup_work){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3224 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5da690 (pernet_ops_rwsem){++++}-{3:3} , at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594 #3: ffffffff8f5e6ec8 ( rtnl_mutex){+.+.}-{3:3}, at: wg_destruct+0x25/0x2e0 drivers/net/wireguard/device.c:246 1 lock held by khungtaskd/30: #0: ffffffff8e333f20 ( rcu_read_lock ){....}-{1:2} , at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] , at: rcu_read_lock include/linux/rcupdate.h:781 [inline] , at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 2 locks held by kworker/0:2/58: 3 locks held by kworker/u8:8/2475: #0: ffff88802a4a3148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] #0: ffff88802a4a3148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc900098b7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc900098b7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733 3 locks held by kworker/u9:1/4489: #0: ffff888011b2d948 ( (wq_completion)hci8 ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3223 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc9000d88fd00 ( (work_completion)(&hdev->cmd_sync_work) ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3224 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffff88806a814d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309 1 lock held by dhcpcd/4759: #0: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1101 2 locks held by getty/4844: #0: ffff88802aff10a0 ( &tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3} , at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211 4 locks held by udevd/5095: #0: ffff8880295b20a0 ( &p->lock ){+.+.}-{3:3} , at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182 #1: ffff888029d95888 ( &of->mutex #2 ){+.+.}-{3:3} , at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154 #2: ffff88805d10c698 ( kn->active #5){++++}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155 #3: ffff888068c8d190 ( &dev->mutex ){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] ){....}-{3:3}, at: uevent_show+0x17d/0x340 drivers/base/core.c:2743 2 locks held by kworker/0:3/5131: 2 locks held by kworker/0:4/5141: 3 locks held by kworker/0:5/5143: 6 locks held by kworker/0:8/9169: 6 locks held by kworker/0:9/9175: 3 locks held by kworker/1:8/10315: #0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc9000387fd00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc9000387fd00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x91/0xea0 net/wireless/reg.c:2478 3 locks held by kworker/u9:0/11958: #0: ffff88807de38948 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] ((wq_completion)hci7){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc9000402fd00 ((work_completion)(&hdev->cmd_sync_work) ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3224 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffff88805c760d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309 3 locks held by kworker/u9:2/12521: #0: ffff888068335948 ( (wq_completion)hci6 ){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] ){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc90004747d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] ffffc90004747d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffff88805d5d8d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309 1 lock held by syz-executor/14564: #0: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 1 lock held by syz-executor/14604: #0: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 1 lock held by syz.3.2483/15023: #0: ffffffff8f5e6ec8 ( rtnl_mutex ){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] ){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 2 locks held by syz.0.2487/15080: #0: ffffffff8f64d330 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8f5e6ec8 ( rtnl_mutex ){+.+.}-{3:3} , at: ethnl_default_doit+0x562/0xd80 net/ethtool/netlink.c:401 2 locks held by syz-executor/15100: #0: ffffffff8f5da690 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 (rtnl_mutex ){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 2 locks held by syz-executor/15111: #0: ffffffff8f5da690 ( pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 ( rtnl_mutex ){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 2 locks held by syz-executor/15115: #0: ffffffff8f5da690 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 ( rtnl_mutex ){+.+.}-{3:3} , at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 2 locks held by syz-executor/15121: #0: ffffffff8f5da690 ( pernet_ops_rwsem ){++++}-{3:3} , at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 ( rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 2 locks held by syz-executor/15131: #0: ffffffff8f5da690 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 2 locks held by syz-executor/15139: #0: ffffffff8f5da690 ( pernet_ops_rwsem ){++++}-{3:3} , at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 (rtnl_mutex ){+.+.}-{3:3} , at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 2 locks held by syz-executor/15146: #0: ffffffff8f5da690 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 ( rtnl_mutex ){+.+.}-{3:3} , at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 5 locks held by kworker/u9:5/15150: #0: ffff88802a445948 ( (wq_completion)hci5){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] (wq_completion)hci5){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc90003ff7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] ffffc90003ff7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffff88807d3d0d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309 #3: ffff88807d3d0078 ( &hdev->lock ){+.+.}-{3:3} , at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5431 #4: ffffffff8f7515c8 ( hci_cb_list_lock ){+.+.}-{3:3} , at: hci_connect_cfm include/net/bluetooth/hci_core.h:1967 [inline] , at: hci_conn_failed+0x185/0x340 net/bluetooth/hci_conn.c:1257 2 locks held by syz-executor/15156: #0: ffffffff8f5da690 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 ( rtnl_mutex ){+.+.}-{3:3} , at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 2 locks held by syz-executor/15161: #0: ffffffff8f5da690 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 ( rtnl_mutex ){+.+.}-{3:3} , at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 2 locks held by syz-executor/15188: #0: ffffffff8f5da690 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3871 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 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:223 [inline] watchdog+0xfde/0x1020 kernel/hung_task.c:379 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: yealink 3-1:36.0: urb_ctl_callback - urb status -71 NMI backtrace for cpu 0 CPU: 0 PID: 9169 Comm: kworker/0:8 Not tainted 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: events kfree_rcu_monitor RIP: 0010:io_serial_in+0x76/0xb0 drivers/tty/serial/8250/8250_port.c:406 Code: b0 60 5a fc 89 e9 41 d3 e6 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 f1 15 c0 fc 44 03 33 44 89 f2 ec <0f> b6 c0 5b 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c RSP: 0018:ffffc90000005958 EFLAGS: 00000002 RAX: 1ffffffff2959900 RBX: ffffffff94accee0 RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020 RBP: 0000000000000000 R08: ffffffff853bc696 R09: 1ffff1100404d046 R10: dffffc0000000000 R11: ffffffff853bc650 R12: dffffc0000000000 R13: 00000000000026e8 R14: 00000000000003fd R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f154d498008 CR3: 000000000e132000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial_in drivers/tty/serial/8250/8250.h:117 [inline] serial_lsr_in drivers/tty/serial/8250/8250.h:139 [inline] wait_for_lsr drivers/tty/serial/8250/8250_port.c:2068 [inline] serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline] serial8250_console_write+0x1099/0x1770 drivers/tty/serial/8250/8250_port.c:3393 console_emit_next_record kernel/printk/printk.c:2913 [inline] console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2979 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3048 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2348 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4909 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4920 _dev_err+0x122/0x170 drivers/base/core.c:4975 urb_ctl_callback+0x1d3/0x290 drivers/input/misc/yealink.c:454 __usb_hcd_giveback_urb+0x42c/0x6e0 drivers/usb/core/hcd.c:1650 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:write_comp_data kernel/kcov.c:236 [inline] RIP: 0010:__sanitizer_cov_trace_cmp8+0x11/0x90 kernel/kcov.c:284 Code: 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 4c 8b 04 24 65 48 8b 0c 25 c0 d4 03 00 <65> 8b 05 00 ab 6d 7e a9 00 01 ff 00 74 10 a9 00 01 00 00 74 57 83 RSP: 0018:ffffc90000006a00 EFLAGS: 00000246 RAX: 0000000000000303 RBX: ffffffff81000000 RCX: ffff888025c20000 RDX: ffffc90000006b15 RSI: ffffffff8bc00000 RDI: ffffffff8ba014c9 RBP: ffffffff8ba014c9 R08: ffffffff8140f1df R09: ffffc90000006bd0 R10: 0000000000000003 R11: ffffffff8181dd30 R12: ffffc90000006ae0 R13: ffffc90000006b30 R14: ffffffff8bc00000 R15: ffffffff8ba014ca unwind_next_frame+0x1ef/0x2a00 arch/x86/kernel/unwind_orc.c:494 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2196 [inline] slab_free mm/slub.c:4438 [inline] kfree+0x149/0x360 mm/slub.c:4559 ieee80211_inform_bss+0xbb2/0x1080 net/mac80211/scan.c:160 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0x1121/0x2360 net/wireless/scan.c:2293 cfg80211_inform_bss_data+0x3dd/0x5a70 net/wireless/scan.c:3117 cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3207 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x526/0x9c0 net/mac80211/scan.c:340 __ieee80211_rx_handle_packet net/mac80211/rx.c:5222 [inline] ieee80211_rx_list+0x2b00/0x3780 net/mac80211/rx.c:5459 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5482 ieee80211_rx include/net/mac80211.h:5093 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:437 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:785 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 7e 17 6b f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 03 d8 d4 f5 65 8b 05 74 0f 73 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc9000422f860 EFLAGS: 00000206 RAX: c0dade1b7636d100 RBX: 1ffff92000845f10 RCX: ffffffff8172da0a RDX: dffffc0000000000 RSI: ffffffff8bcabb40 RDI: 0000000000000001 RBP: ffffc9000422f8f0 R08: ffffffff92fa75ef R09: 1ffffffff25f4ebd R10: dffffc0000000000 R11: fffffbfff25f4ebe R12: dffffc0000000000 R13: 1ffff92000845f0c R14: ffffc9000422f880 R15: 0000000000000246 debug_object_active_state+0x239/0x360 lib/debugobjects.c:945 debug_rcu_head_unqueue kernel/rcu/rcu.h:236 [inline] debug_rcu_bhead_unqueue kernel/rcu/tree.c:3287 [inline] kvfree_rcu_bulk+0xc5/0x4e0 kernel/rcu/tree.c:3364 kvfree_rcu_drain_ready kernel/rcu/tree.c:3545 [inline] kfree_rcu_monitor+0x8a4/0x1020 kernel/rcu/tree.c:3563 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 yealink 3-1:36.0: urb_irq_callback - urb status -71 yealink 3-1:36.0: unexpected response 0 yealink 3-1:36.0: urb_ctl_callback - urb status -71 yealink 3-1:36.0: urb_irq_callback - urb status -71 yealink 3-1:36.0: unexpected response 0 yealink 3-1:36.0: urb_ctl_callback - urb status -71