INFO: task kworker/u10:2:61 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:2   state:D stack:22976 pid:61    tgid:61    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 linkwatch_event+0xe/0x60
 process_scheduled_works+0xb6e/0x18c0
 worker_thread+0xa53/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task kworker/u10:4:468 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:4   state:D stack:23912 pid:468   tgid:468   ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound fsnotify_connector_destroy_workfn
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_timeout+0xc3/0x2c0
 wait_for_completion+0x2cc/0x5e0
 __synchronize_srcu+0x329/0x3e0
 fsnotify_connector_destroy_workfn+0x44/0xa0
 process_scheduled_works+0xb6e/0x18c0
 worker_thread+0xa53/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task kworker/u10:5:1092 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:5   state:D stack:23944 pid:1092  tgid:1092  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound fsnotify_mark_destroy_workfn
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_timeout+0xc3/0x2c0
 wait_for_completion+0x2cc/0x5e0
 __synchronize_srcu+0x329/0x3e0
 fsnotify_mark_destroy_workfn+0x109/0x300
 process_scheduled_works+0xb6e/0x18c0
 worker_thread+0xa53/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task syz.0.111:6339 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.111       state:D stack:25456 pid:6339  tgid:6338  ppid:5803   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 rtnetlink_rcv_msg+0x722/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x80f/0x9b0
 netlink_sendmsg+0x813/0xb40
 ____sys_sendmsg+0x972/0x9f0
 ___sys_sendmsg+0x2a5/0x360
 __x64_sys_sendmsg+0x1bd/0x2a0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f770419c819
RSP: 002b:00007f7705008028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7704415fa0 RCX: 00007f770419c819
RDX: 0000000000000800 RSI: 00002000000007c0 RDI: 0000000000000004
RBP: 00007f7704232c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7704416038 R14: 00007f7704415fa0 R15: 00007ffd68c2da78
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/u8:0/12:
 #0: ffff8881111a6948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90000117c40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30
3 locks held by kworker/1:0/24:
 #0: ffff888100692d48 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900001e7c40 ((work_completion)(&(&ssp->srcu_sup->work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8e75f4b8 (&ssp->srcu_sup->srcu_gp_mutex){+.+.}-{4:4}, at: process_srcu+0x6e/0x1220
3 locks held by kworker/u10:0/27:
 #0: ffff8881000ac148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90000a27c40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88811dab0788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x4a0
2 locks held by kworker/1:2/33:
 #0: ffff888100069948 ((wq_completion)events_freezable_pwr_efficient){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90000a97c40 ((work_completion)(&(&ev->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
1 lock held by khungtaskd/35:
 #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
7 locks held by kworker/u11:0/55:
 #0: ffff8881bb509948 ((wq_completion)hci0){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90000bf7c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88816d5f8ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88816d5f80c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
 #5: ffff8881ba0742f8 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x7b/0x5c0
 #6: ffffffff8e764878 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
3 locks held by kworker/u10:2/61:
 #0: ffff8881000ac148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900015c7c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
2 locks held by kworker/u10:4/468:
 #0: ffff8881000ac148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90004587c40 (connector_reaper_work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
2 locks held by kworker/u10:5/1092:
 #0: ffff8881000ac148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90007e2fc40 ((reaper_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
3 locks held by kworker/u10:6/1093:
 #0: ffff8881000ac148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90007e3fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff888103f90788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x4a0
3 locks held by kworker/0:2/2076:
5 locks held by kworker/u11:1/5198:
 #0: ffff888112e85948 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000855fc40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88811c1acec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88811c1ac0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
2 locks held by getty/5632:
 #0: ffff8881158f60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000357b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
4 locks held by kworker/u11:2/5805:
 #0: ffff888169def148 ((wq_completion)hci9#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90004ff7c40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881743c00c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
5 locks held by kworker/u11:3/5809:
 #0: ffff8881bbf09148 ((wq_completion)hci4){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90005037c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881739b4ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8881739b40c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
4 locks held by kworker/u11:4/5812:
 #0: ffff8881bc1a5948 ((wq_completion)hci10#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90005057c40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881733e00c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
5 locks held by kworker/u11:5/5813:
 #0: ffff8881bbf0d148 ((wq_completion)hci5){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90005067c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881bae6cec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8881bae6c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
5 locks held by kworker/u11:6/5814:
 #0: ffff8881ba071948 ((wq_completion)hci2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90005077c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881622dcec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8881622dc0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
2 locks held by kworker/1:4/5873:
 #0: ffff88810006b148 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900053d7c40 (xfrm_state_gc_work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
3 locks held by syz.1.109/6333:
1 lock held by syz.0.111/6339:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x722/0xbe0
1 lock held by syz-executor/6344:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6346:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6348:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
2 locks held by dhcpcd/6357:
 #0: ffff88816bf66260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
 #1: ffffffff8e764878 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
1 lock held by dhcpcd/6358:
 #0: ffff8881b9800260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by dhcpcd/6359:
 #0: ffff8881af0a8260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by dhcpcd/6360:
 #0: ffff8881bad88260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by dhcpcd/6361:
 #0: ffff88816e4aa260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by dhcpcd/6362:
 #0: ffff8881af1d4260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by syz-executor/6367:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6371:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6373:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6379:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6380:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6384:
 #0: ffffffff8fbceb48 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
4 locks held by kworker/u11:7/6387:
 #0: ffff8881bc1a3148 ((wq_completion)hci11#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000871fc40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881bac740c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
5 locks held by kworker/u11:8/6389:
 #0: ffff8881acc67148 ((wq_completion)hci3){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000870fc40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88816a924ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88816a9240c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5bc28 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xfd9/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6333 Comm: syz.1.109 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__kasan_check_read+0x0/0x20
Code: 16 8e 48 89 de e8 a0 b5 f7 fe 31 ed eb cf cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 89 f6 48 8b 0c 24 31 d2 e9 8f e5 ff ff 66 66 66 66 66
RSP: 0018:ffffc90000007010 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88816ed20000
RDX: 0000000000010100 RSI: 0000000000000008 RDI: ffffffff9011b4b0
RBP: 0000000000000000 R08: ffffffff81b2ce75 R09: ffffffff9a2c0508
R10: 0000000000000003 R11: ffffffff8173caf0 R12: dffffc0000000000
R13: 0000000000000000 R14: 1ffff110242047c8 R15: 0000000000000000
FS:  00007f5ef3feb6c0(0000) GS:ffff88818de5a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f623ffc CR3: 000000016f7f8000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __sysvec_apic_timer_interrupt+0x12e/0x460
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__asan_memcpy+0x0/0x70
Code: ee 7e 09 31 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc cc cc 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 41 57 41 56 41 54 53 48 89 d3 49 89 f6 49 89 ff 4c 8b
RSP: 0018:ffffc90000007108 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88816ed20000
RDX: 0000000000000004 RSI: ffffc90000007423 RDI: ffff88816ccb08c3
RBP: 0000000000000002 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: dffffc0000000000
R13: ffffc90000007360 R14: 0000000000000000 R15: ffff88816ccb0800
 cfg80211_update_known_bss+0x9bd/0x1590
 __cfg80211_bss_update+0x147/0x2110
 cfg80211_inform_single_bss_data+0xbd1/0x1b70
 cfg80211_inform_bss_data+0x266/0x3c40
 cfg80211_inform_bss_frame_data+0x3c7/0x760
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_scan_rx+0x552/0xa40
 ieee80211_rx_list+0x29e5/0x3710
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__schedule+0x0/0x52d0
Code: 80 f6 45 89 f8 89 d9 48 8b 5c 24 08 e9 ee fe ff ff cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
RSP: 0018:ffffc9000848fb78 EFLAGS: 00000206
RAX: 00000000002a0da3 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000006 RSI: ffffffff8def9047 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__local_bh_enable_ip+0xd8/0x130
Code: 8b e8 4c f5 26 0a 65 66 8b 05 bc 67 94 11 66 85 c0 75 32 bf 01 00 00 00 e8 75 f5 0b 00 e8 40 92 45 00 fb 65 8b 05 98 67 94 11 <85> c0 75 05 e8 4f b5 ab ff 5b 41 5e c3 cc cc cc cc cc 90 0f 0b 90
RSP: 0018:ffffc9000848fca0 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 0000000000000201 RCX: 0000000000000046
RDX: 0000000000000006 RSI: ffffffff8def9047 RDI: ffffffff8c27ca00
RBP: 0000000000000002 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: ffff8881739f5610
R13: 1ffff1102dc99923 R14: ffffffff867ed977 R15: dffffc0000000000
 __tun_detach+0xd87/0x15d0
 tun_chr_close+0x10a/0x1c0
 __fput+0x44f/0xa70
 fput_close_sync+0x11f/0x240
 __x64_sys_close+0x7e/0x110
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5ef319c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5ef3feb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f5ef3416090 RCX: 00007f5ef319c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f5ef3232c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5ef3416128 R14: 00007f5ef3416090 R15: 00007ffd1414a4b8
 </TASK>
