INFO: task pool_workqueue_:3 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:pool_workqueue_ state:D stack:27784 pid:3     tgid:3     ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 synchronize_rcu_expedited+0x619/0x770
 pwq_release_workfn+0x6ea/0x880
 kthread_worker_fn+0x509/0xb70
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task khugepaged:41 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:khugepaged      state:D stack:27720 pid:41    tgid:41    ppid:2      task_flags:0x200040 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 __lru_add_drain_all+0x6b/0x5e0
 khugepaged+0x1ba/0x1790
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task syz.1.6361:32357 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.6361      state:D stack:24472 pid:32357 tgid:32357 ppid:29947  task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 synchronize_rcu_expedited+0x619/0x770
 vhost_vsock_dev_release+0x17b/0x6d0
 __fput+0x44f/0xa70
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efffe79ce59
RSP: 002b:00007ffc9f3fcf68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007efffea17da0 RCX: 00007efffe79ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007efffea17da0 R08: 0000000000000006 R09: 0000000000000000
R10: 00007efffea17cb0 R11: 0000000000000246 R12: 0000000000172454
R13: 00007efffea1609c R14: 0000000000172371 R15: 00007efffea16090
 </TASK>
INFO: task dhcpcd:32373 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:28000 pid:32373 tgid:32373 ppid:5552   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 synchronize_rcu_expedited+0x619/0x770
 __unregister_prot_hook+0x503/0x6e0
 packet_do_bind+0x536/0xe10
 __sys_bind+0x2e3/0x410
 __x64_sys_bind+0x7a/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5da98d3677
RSP: 002b:00007ffdcef72a28 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000559f7ef1fca3 RCX: 00007f5da98d3677
RDX: 0000000000000014 RSI: 00007ffdcef72a38 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000559fb051efe0 R09: 0000000001000000
R10: 000000000000006d R11: 0000000000000217 R12: 0000559fb0519530
R13: 0000559fb051fa18 R14: 00007ffdcef9331c R15: 0000559fb051f9e4
 </TASK>
INFO: task syz.7.6370:32405 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.6370      state:D stack:25376 pid:32405 tgid:32403 ppid:25142  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 ib_get_eth_speed+0x173/0x7f0
 siw_query_port+0x3c/0x4a0
 siw_get_port_immutable+0xc0/0x1d0
 ib_register_device+0xe14/0x13e0
 siw_newlink+0x8fe/0xde0
 nldev_newlink+0x5bd/0x650
 rdma_nl_rcv+0x6d7/0xa10
 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: 0033:0x7f13ae99ce59
RSP: 002b:00007f13acbcd028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f13aec16090 RCX: 00007f13ae99ce59
RDX: 0000000020000800 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007f13aea32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f13aec16128 R14: 00007f13aec16090 R15: 00007fff58c808d8
 </TASK>
INFO: task syz.7.6370:32406 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.6370      state:D stack:25408 pid:32406 tgid:32403 ppid:25142  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: 0033:0x7f13ae99ce59
RSP: 002b:00007f13acbac028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f13aec16180 RCX: 00007f13ae99ce59
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 000000000000000b
RBP: 00007f13aea32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f13aec16218 R14: 00007f13aec16180 R15: 00007fff58c808d8
 </TASK>
INFO: task dhcpcd:32411 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:28000 pid:32411 tgid:32411 ppid:5552   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 synchronize_rcu_expedited+0x619/0x770
 __unregister_prot_hook+0x503/0x6e0
 packet_do_bind+0x536/0xe10
 __sys_bind+0x2e3/0x410
 __x64_sys_bind+0x7a/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5da98d3677
RSP: 002b:00007ffdcef72a28 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000559f7ef1fca3 RCX: 00007f5da98d3677
RDX: 0000000000000014 RSI: 00007ffdcef72a38 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000559fb051f830 R09: 0000000001000000
R10: 000000000000006d R11: 0000000000000217 R12: 0000559fb0519530
R13: 0000559fb05210c8 R14: 00007ffdcef9331c R15: 0000559fb0521094
 </TASK>
INFO: task dhcpcd:32414 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:27328 pid:32414 tgid:32414 ppid:5552   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 synchronize_rcu_expedited+0x619/0x770
 __unregister_prot_hook+0x503/0x6e0
 packet_do_bind+0x536/0xe10
 __sys_bind+0x2e3/0x410
 __x64_sys_bind+0x7a/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5da98d3677
RSP: 002b:00007ffdcef72a28 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000559f7ef1fca3 RCX: 00007f5da98d3677
RDX: 0000000000000014 RSI: 00007ffdcef72a38 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000559fb051f830 R09: 0000000001000000
R10: 000000000000006d R11: 0000000000000217 R12: 0000559fb0519530
R13: 0000559fb051da98 R14: 00007ffdcef9331c R15: 0000559fb051da64
 </TASK>
INFO: task dhcpcd:32415 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:27328 pid:32415 tgid:32415 ppid:5552   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 synchronize_rcu_expedited+0x619/0x770
 __unregister_prot_hook+0x503/0x6e0
 packet_do_bind+0x536/0xe10
 __sys_bind+0x2e3/0x410
 __x64_sys_bind+0x7a/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5da98d3677
RSP: 002b:00007ffdcef72a28 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000559f7ef1fca3 RCX: 00007f5da98d3677
RDX: 0000000000000014 RSI: 00007ffdcef72a38 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000559fb051f830 R09: 0000000001000000
R10: 000000000000006d R11: 0000000000000217 R12: 0000559fb0519530
R13: 0000559fb051dc18 R14: 00007ffdcef9331c R15: 0000559fb051dbe4
 </TASK>
INFO: task dhcpcd:32416 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:28000 pid:32416 tgid:32416 ppid:5552   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 synchronize_rcu_expedited+0x619/0x770
 __unregister_prot_hook+0x503/0x6e0
 packet_do_bind+0x536/0xe10
 __sys_bind+0x2e3/0x410
 __x64_sys_bind+0x7a/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5da98d3677
RSP: 002b:00007ffdcef72a28 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000559f7ef1fca3 RCX: 00007f5da98d3677
RDX: 0000000000000014 RSI: 00007ffdcef72a38 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000559fb051f830 R09: 0000000001000000
R10: 000000000000006d R11: 0000000000000217 R12: 0000559fb0519530
R13: 0000559fb051dd98 R14: 00007ffdcef9331c R15: 0000559fb051dd64
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.6.6374:32434 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.6374      state:D stack:28160 pid:32434 tgid:32433 ppid:28667  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 ppp_ioctl+0x6ce/0x1b10
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6fa399ce59
RSP: 002b:00007f6fa492a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6fa3c15fa0 RCX: 00007f6fa399ce59
RDX: 0000200000000000 RSI: 00000000c004743e RDI: 0000000000000004
RBP: 00007f6fa3a32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6fa3c16038 R14: 00007f6fa3c15fa0 R15: 00007ffde7cb8378
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz.6.6374:32436 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.6374      state:D stack:28832 pid:32436 tgid:32433 ppid:28667  task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 ppp_ioctl+0xdf/0x1b10
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6fa399ce59
RSP: 002b:00007f6fa48e8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6fa3c16180 RCX: 00007f6fa399ce59
RDX: 0000200000000080 RSI: 0000000040107447 RDI: 0000000000000004
RBP: 00007f6fa3a32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6fa3c16218 R14: 00007f6fa3c16180 R15: 00007ffde7cb8378
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz-executor:32439 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:26688 pid:32439 tgid:32439 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 inet_rtm_newaddr+0x404/0x1ad0
 rtnetlink_rcv_msg+0x7d5/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x80f/0x9b0
 netlink_sendmsg+0x813/0xb40
 __sys_sendto+0x672/0x710
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9fdeb5d68e
RSP: 002b:00007ffd2b177aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055555eda2500 RCX: 00007f9fdeb5d68e
RDX: 0000000000000028 RSI: 00007f9fdf944670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffd2b177b24 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f9fdf944670 R15: 0000000000000000
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task syz-executor:32448 blocked for more than 144 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:27856 pid:32448 tgid:32448 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 inet_rtm_newaddr+0x404/0x1ad0
 rtnetlink_rcv_msg+0x7d5/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x80f/0x9b0
 netlink_sendmsg+0x813/0xb40
 __sys_sendto+0x672/0x710
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3a7595d68e
RSP: 002b:00007ffd26afa4f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00005555730cb500 RCX: 00007f3a7595d68e
RDX: 0000000000000028 RSI: 00007f3a76744670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffd26afa574 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f3a76744670 R15: 0000000000000000
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
1 lock held by khugepaged/41:
 #0: ffffffff8e83a928 (lock#5){+.+.}-{4:4}, at: __lru_add_drain_all+0x6b/0x5e0
4 locks held by kworker/u11:0/55:
 #0: ffff888189615148 ((wq_completion)hci11#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90000bf7c40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881977380c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
2 locks held by kworker/u13:0/57:
 #0: ffff88816953b948 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000101fc40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
4 locks held by kworker/u11:1/5198:
 #0: ffff88817b027948 ((wq_completion)hci9#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000828fc40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881a4e040c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
2 locks held by getty/5633:
 #0: ffff888170abf0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000356e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
3 locks held by kworker/1:4/5858:
 #0: ffff88810006b148 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90006aafc40 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20
2 locks held by kworker/u13:1/6527:
 #0: ffff88816953b948 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000ad0fc40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
2 locks held by kworker/u13:2/6528:
 #0: ffff88816953b948 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000acffc40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
2 locks held by kworker/u13:3/6529:
 #0: ffff88816953b948 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000ac67c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
2 locks held by kworker/u13:4/6530:
 #0: ffff88816953b948 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000a93fc40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
3 locks held by kworker/1:8/26930:
 #0: ffff888100069d48 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90006ec7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0xa5/0xfe0
6 locks held by kworker/u11:2/5354:
 #0: ffff88817675f148 ((wq_completion)hci6){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000830fc40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881877a0ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8881877a00c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
 #5: ffff8881765bdaf8 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x7b/0x5c0
3 locks held by kworker/u8:9/9120:
 #0: ffff888171ebb148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90005a17c40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30
2 locks held by syz.7.4729/14965:
2 locks held by syz.1.5474/22537:
2 locks held by syz.4.5598/24324:
4 locks held by kworker/u11:3/28671:
 #0: ffff8881a9e42148 ((wq_completion)hci10#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc90021a87c40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881a05140c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
1 lock held by dhcpcd/32373:
 #0: ffff888101fc0260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
3 locks held by syz.7.6370/32405:
 #0: ffffffff9a64af98 (&rdma_nl_types[idx].sem){.+.+}-{4:4}, at: rdma_nl_rcv+0x32b/0xa10
 #1: ffffffff8f9351d0 (link_ops_rwsem){++++}-{4:4}, at: nldev_newlink+0x42a/0x650
 #2: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: ib_get_eth_speed+0x173/0x7f0
1 lock held by syz.7.6370/32406:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x722/0xbe0
1 lock held by dhcpcd/32411:
 #0: ffff88817ada0260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by dhcpcd/32414:
 #0: ffff8881a1100260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by dhcpcd/32415:
 #0: ffff888174884260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by dhcpcd/32416:
 #0: ffff8881b91ee260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
2 locks held by syz.6.6374/32434:
 #0: ffffffff8f385408 (ppp_mutex){+.+.}-{4:4}, at: ppp_ioctl+0xdf/0x1b10
 #1: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: ppp_ioctl+0x6ce/0x1b10
1 lock held by syz.6.6374/32436:
 #0: ffffffff8f385408 (ppp_mutex){+.+.}-{4:4}, at: ppp_ioctl+0xdf/0x1b10
1 lock held by syz-executor/32439:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/32448:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/32455:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/32464:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/32471:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
4 locks held by kworker/u11:4/32474:
 #0: ffff888189068948 ((wq_completion)hci12#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000797fc40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881780c40c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
1 lock held by syz-executor/32478:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
5 locks held by kworker/u11:5/32483:
 #0: ffff88817277b948 ((wq_completion)hci7){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000783fc40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88819eb8cec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88819eb8c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
1 lock held by dhcpcd/32485:
 #0: ffff8881a7c66260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
1 lock held by syz-executor/32487:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
5 locks held by kworker/u11:6/32492:
 #0: ffff88817b1fd948 ((wq_completion)hci3#3){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900076d7c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881732a8ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff8881732a80c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
1 lock held by syz-executor/32496:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
4 locks held by kworker/u11:7/32497:
 #0: ffff88818fbcf948 ((wq_completion)hci13#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900076c7c40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881892080c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
5 locks held by kworker/u11:8/32502:
 #0: ffff8881b8951948 ((wq_completion)hci8){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc900076a7c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff88817a9e8ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88817a9e80c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
4 locks held by kworker/u11:10/32504:
 #0: ffff88817b1c1948 ((wq_completion)hci14#2){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9000781fc40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffff8881923c00c0 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8fd5b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
1 lock held by syz-executor/32506:
 #0: ffffffff8fbce908 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 34 Comm: khungtaskd Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
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: 14965 Comm: syz.7.4729 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__sanitizer_cov_trace_pc+0x5c/0x70
Code: 80 16 00 00 83 fa 02 75 21 48 8b 91 88 16 00 00 48 8b 32 48 8d 7e 01 8b 89 84 16 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 <e9> 0f 06 ec 09 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc90007fcfab8 EFLAGS: 00000246
RAX: ffffffff84a6738c RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900245f1000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90007fcfd10 R08: ffff888120782327 R09: 1ffff110240f0464
R10: dffffc0000000000 R11: ffffed10240f0465 R12: ffff888120782000
R13: dffffc0000000000 R14: ffff888120782324 R15: ffff888120782310
FS:  00007f39001796c0(0000) GS:ffff88818de5d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efffea15f44 CR3: 000000011e7ba000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 io_cqring_wait+0xf8c/0x18b0
 __se_sys_io_uring_enter+0x5b5/0x18c0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f38ff39ce59
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:00007f3900179028 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 00007f38ff615fa0 RCX: 00007f38ff39ce59
RDX: 00000000ffffffdc RSI: 000000000000012a RDI: 0000000000000000
RBP: 00007f38ff432d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000017 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f38ff616038 R14: 00007f38ff615fa0 R15: 00007ffc54048948
 </TASK>
