INFO: task kworker/u8:8:2471 blocked for more than 143 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:8 state:D stack:23248 pid:2471 tgid:2471 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work 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 addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task dhcpcd:4754 blocked for more than 144 seconds. Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:23120 pid:4754 tgid:4754 ppid:1 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 vlan_ioctl_handler+0x112/0x9d0 net/8021q/vlan.c:553 sock_ioctl+0x685/0x8e0 net/socket.c:1305 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfe/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: 0033:0x7f3b9b1ebd49 RSP: 002b:00007ffcc3ebde78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00005576df7f18f0 RCX: 00007f3b9b1ebd49 RDX: 00007ffcc3ebde80 RSI: 0000000000008982 RDI: 0000000000000011 RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffcc3ece500 R11: 0000000000000246 R12: 00007ffcc3ebde80 R13: 00007ffcc3ebdf40 R14: 00005576df7f18f0 R15: 00005576df7f07e0 Showing all locks held in the system: 3 locks held by kworker/0:1/9: #0: ffff888015079948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] #0: ffff888015079948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc900000e7d00 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc900000e7d00 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: crda_timeout_work+0x15/0x50 net/wireless/reg.c:540 4 locks held by kworker/u8:1/12: #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, 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] ffffc90000117d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5da590 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594 #3: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: ieee80211_unregister_hw+0x55/0x2c0 net/mac80211/main.c:1652 1 lock held by khungtaskd/30: #0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 5 locks held by kworker/u8:5/948: 3 locks held by kworker/0:3/1160: #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc90004397d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3} , at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 3 locks held by kworker/u8:8/2471: #0: ffff88802a1ac948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc90009227d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193 1 lock held by udevd/4541: #0: ffff888015ed6948 (&root->kernfs_rwsem){++++}-{3:3}, at: kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159 2 locks held by dhcpcd/4754: #0: ffffffff8f5cbf48 (vlan_ioctl_mutex){+.+.}-{3:3}, at: sock_ioctl+0x664/0x8e0 net/socket.c:1303 #1: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3} , at: vlan_ioctl_handler+0x112/0x9d0 net/8021q/vlan.c:553 2 locks held by getty/4849: #0: ffff88802accf0a0 (&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 1 lock held by syz-executor/5089: #0: ffffffff8f5e6dc8 (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-executor/5090: #0: ffffffff8f5e6dc8 (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 6 locks held by kworker/u9:3/5102: #0: ffff88806b312148 ( (wq_completion)hci10 ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3223 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc900045d7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline] #1: ffffc900045d7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 #2: ffff88802d11cd88 ( &hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:322 #3: ffff88802d11c078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5444 #4: ffffffff8f7514c8 ( 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:1266 #5: ffffffff8e3392f8 ( rcu_state.exp_mutex ){+.+.}-{3:3} , at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] , at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:939 5 locks held by kworker/u9:4/5103: #0: ffff88807cb1a948 ((wq_completion)hci9){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline] ffff88807cb1a948 ((wq_completion)hci9){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc900045c7d00 ((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: ffff88807caa4d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:322 #3: ffff88807caa4078 ( &hdev->lock ){+.+.}-{3:3} , at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5444 #4: ffffffff8e3392f8 (rcu_state.exp_mutex ){+.+.}-{3:3} , at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] , at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:939 1 lock held by udevd/5151: #0: ffff888015ed6948 (&root->kernfs_rwsem){++++}-{3:3}, at: kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159 4 locks held by udevd/5155: #0: ffff8880246a58b8 (&p->lock ){+.+.}-{3:3} , at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182 #1: ffff88802beedc88 ( &of->mutex #2 ){+.+.}-{3:3} , at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154 #2: ffff8880186a2878 (kn->active#5){.+.+}-{0:0} , at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155 #3: ffff8880648fd190 (&dev->mutex ){....}-{3:3} , at: device_lock include/linux/device.h:1009 [inline] , at: uevent_show+0x17d/0x340 drivers/base/core.c:2743 2 locks held by kworker/0:6/5156: #0: ffff888015078948 ( (wq_completion)events ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3223 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329 #1: ffffc90002ecfd00 ( free_ipc_work ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3224 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329 3 locks held by kworker/1:6/5195: 7 locks held by kworker/1:7/5198: 1 lock held by syz.1.20/5256: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 10 locks held by syz.5.26/5268: 2 locks held by syz.2.33/5284: #0: ffffffff8f64d230 ( cb_lock ){++++}-{3:3} , at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16409 1 lock held by syz.2.33/5286: #0: ffff88802fcea0e0 ( &type->s_umount_key#33){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] &type->s_umount_key#33){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120 1 lock held by syz-executor/5295: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5297: #0: ffffffff8f5e6dc8 ( rtnl_mutex ){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5299: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5302: #0: ffffffff8f5e6dc8 ( rtnl_mutex ){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5305: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5313: #0: ffffffff8f5e6dc8 ( rtnl_mutex ){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5316: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 1 lock held by syz-executor/5322: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5326: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5331: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5334: #0: ffffffff8f5e6dc8 (rtnl_mutex ){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5337: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 3 locks held by syz-executor/5340: #0: ffff88802d118d88 ( &hdev->req_lock ){+.+.}-{3:3} , at: hci_dev_do_close net/bluetooth/hci_core.c:510 [inline] , at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2728 #1: ffff88802d118078 ( &hdev->lock ){+.+.}-{3:3}, at: hci_dev_close_sync+0x494/0xf60 net/bluetooth/hci_sync.c:5063 #2: ffffffff8f7514c8 (hci_cb_list_lock){+.+.}-{3:3} , at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1982 [inline] , at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2593 1 lock held by syz-executor/5346: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5350: #0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5352: #0: ffffffff8f5e6dc8 ( rtnl_mutex ){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] ){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/5358: #0: ffffffff8f5e6dc8 ( rtnl_mutex ){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #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+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: yealink 4-1:36.0: unexpected response 0 yealink 4-1:36.0: urb_ctl_callback - urb status -71 yealink 4-1:36.0: urb_irq_callback - urb status -71 yealink 4-1:36.0: unexpected response 0 yealink 4-1:36.0: urb_ctl_callback - urb status -71 yealink 4-1:36.0: urb_irq_callback - urb status -71 NMI backtrace for cpu 1 CPU: 1 PID: 5268 Comm: syz.5.26 Not tainted 6.10.0-rc7-syzkaller-00003-g4376e966ecb7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:vsnprintf+0x7fe/0x1da0 lib/vsprintf.c:2857 Code: 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 0a 13 00 00 44 89 2a 49 bd 00 00 00 00 00 fc ff df e9 5d 06 00 00 49 89 d7 <49> c1 ef 03 43 0f b6 04 2f 84 c0 0f 85 ba 0f 00 00 8b 1a bf 29 00 RSP: 0018:ffffc90000a17260 EFLAGS: 00000046 RAX: 0000000000000009 RBX: 0000000000000004 RCX: ffff888029b45a00 RDX: ffffc90000a173c0 RSI: ffffffff8f94fc60 RDI: 0000000000000009 RBP: ffffc90000a17350 R08: 0000000000000001 R09: ffffffff8b7f0df4 R10: 0000000000000012 R11: ffff888029b45a00 R12: ffffffff8bcb8045 R13: dffffc0000000000 R14: ffff0a0000000509 R15: ffffc90000a173c0 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5849cd1178 CR3: 000000000e132000 CR4: 0000000000350ef0 Call Trace: sprintf+0xda/0x120 lib/vsprintf.c:3028 print_time kernel/printk/printk.c:1330 [inline] info_print_prefix+0x16b/0x310 kernel/printk/printk.c:1356 record_print_text kernel/printk/printk.c:1405 [inline] printk_get_next_message+0x6da/0xbe0 kernel/printk/printk.c:2840 console_emit_next_record kernel/printk/printk.c:2880 [inline] console_flush_all+0x410/0xfd0 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_irq_callback+0x37e/0x5b0 drivers/input/misc/yealink.c:416 __usb_hcd_giveback_urb+0x42e/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+0x59d/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+0x112/0x3f0 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:unwind_next_frame+0x690/0x2a00 arch/x86/kernel/unwind_orc.c:505 Code: 3c 5b 4d 01 ff 49 01 cf 0f 84 82 00 00 00 49 89 ee e8 44 31 55 00 49 8d 6f 04 49 8d 5f 05 48 89 e8 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 88 1b 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 RSP: 0018:ffffc90000a18628 EFLAGS: 00000217 RAX: 0000000000000000 RBX: ffffffff9030ba17 RCX: ffff888029b45a00 RDX: 0000000000000102 RSI: ffffffff815a0385 RDI: ffffffff815a00c8 RBP: ffffffff9030ba16 R08: ffffffff8140f500 R09: ffffc90000a187f0 R10: 0000000000000003 R11: ffffffff8181dd90 R12: ffffffff8fbdffec R13: dffffc0000000000 R14: 1ffff920001430e0 R15: ffffffff9030ba12 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] kmem_cache_free+0x145/0x350 mm/slub.c:4513 mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2306 __iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2336 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1770 handle_softirqs+0x2c6/0x970 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:lock_release+0x630/0x9f0 kernel/locking/lockdep.c:5778 Code: 3c 3b 00 74 08 4c 89 f7 e8 cd 48 89 00 f6 84 24 91 00 00 00 02 75 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25 RSP: 0018:ffffc90004307140 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000860e3a RCX: ffffc90004307103 RDX: 0000000000000003 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1fe980 RBP: ffffc90004307270 R08: ffffffff8fad492f R09: 1ffffffff1f5a925 R10: dffffc0000000000 R11: fffffbfff1f5a926 R12: 1ffff92000860e34 R13: 0000000000000246 R14: ffffc900043071d0 R15: dffffc0000000000 rcu_lock_release include/linux/rcupdate.h:339 [inline] rcu_read_unlock include/linux/rcupdate.h:812 [inline] __lruvec_stat_mod_folio+0x1ff/0x300 mm/memcontrol.c:1072 __folio_remove_rmap mm/rmap.c:1556 [inline] folio_remove_rmap_ptes+0x2bf/0x4f0 mm/rmap.c:1595 zap_present_folio_ptes mm/memory.c:1505 [inline] zap_present_ptes mm/memory.c:1564 [inline] zap_pte_range mm/memory.c:1606 [inline] zap_pmd_range mm/memory.c:1724 [inline] zap_pud_range mm/memory.c:1753 [inline] zap_p4d_range mm/memory.c:1774 [inline] unmap_page_range+0x1e4e/0x40f0 mm/memory.c:1795 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1885 exit_mmap+0x264/0xc80 mm/mmap.c:3341 __mmput+0x115/0x3c0 kernel/fork.c:1346 exit_mm+0x220/0x310 kernel/exit.c:567 do_exit+0x9aa/0x27e0 kernel/exit.c:863 do_group_exit+0x207/0x2c0 kernel/exit.c:1025 get_signal+0x16a1/0x1740 kernel/signal.c:2909 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x360 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5849b75bd9 Code: Unable to access opcode bytes at 0x7f5849b75baf. RSP: 002b:00007f584a9b80f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 00007f5849d03f68 RCX: 00007f5849b75bd9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5849d03f68 RBP: 00007f5849d03f60 R08: 00007f584a9b86c0 R09: 00007f584a9b86c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5849d03f6c R13: 000000000000000b R14: 00007ffc5360f6e0 R15: 00007ffc5360f7c8 yealink 4-1:36.0: unexpected response 0 yealink 4-1:36.0: urb_ctl_callback - urb status -71