INFO: task kworker/u5:5:3555 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc4-syzkaller-00147-g029cc0963412 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:5    state:D stack:27888 pid: 3555 ppid:     2 flags:0x00004000
Workqueue: hci6 hci_power_on
Call Trace:
 <TASK>
 __schedule+0xd07/0x4e00
 schedule+0xdb/0x200
 schedule_timeout+0x1cf/0x290
 __wait_for_common+0x37a/0x530
 __flush_work+0x59f/0xba0
 __cancel_work_timer+0x3e1/0x580
 hci_dev_close_sync+0x8d/0x1130
 hci_dev_do_close+0x2f/0x70
 hci_power_on+0x1c0/0x640
 process_one_work+0x9f5/0x1630
 worker_thread+0x679/0x10d0
 kthread+0x2e0/0x390
 ret_from_fork+0x1f/0x30
 </TASK>
INFO: task kworker/u5:6:3556 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc4-syzkaller-00147-g029cc0963412 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:6    state:D stack:27344 pid: 3556 ppid:     2 flags:0x00004000
Workqueue: hci1 hci_power_on
Call Trace:
 <TASK>
 __schedule+0xd07/0x4e00
 schedule+0xdb/0x200
 schedule_timeout+0x1cf/0x290
 __wait_for_common+0x37a/0x530
 __flush_work+0x59f/0xba0
 __cancel_work_timer+0x3e1/0x580
 hci_dev_close_sync+0x8d/0x1130
 hci_dev_do_close+0x2f/0x70
 hci_power_on+0x1c0/0x640
 process_one_work+0x9f5/0x1630
 worker_thread+0x679/0x10d0
 kthread+0x2e0/0x390
 ret_from_fork+0x1f/0x30
 </TASK>
INFO: task kworker/u5:9:3559 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc4-syzkaller-00147-g029cc0963412 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:9    state:D stack:27648 pid: 3559 ppid:     2 flags:0x00004000
Workqueue: hci4 hci_power_on
Call Trace:
 <TASK>
 __schedule+0xd07/0x4e00
 schedule+0xdb/0x200
 schedule_timeout+0x1cf/0x290
 __wait_for_common+0x37a/0x530
 __flush_work+0x59f/0xba0
 __cancel_work_timer+0x3e1/0x580
 hci_dev_close_sync+0x8d/0x1130
 hci_dev_do_close+0x2f/0x70
 hci_power_on+0x1c0/0x640
 process_one_work+0x9f5/0x1630
 worker_thread+0x679/0x10d0
 kthread+0x2e0/0x390
 ret_from_fork+0x1f/0x30
 </TASK>
INFO: task syz-executor.7:3819 blocked for more than 144 seconds.
      Not tainted 5.19.0-rc4-syzkaller-00147-g029cc0963412 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.7  state:D stack:28384 pid: 3819 ppid:     1 flags:0x00000002
Call Trace:
 <TASK>
 __schedule+0xd07/0x4e00
 schedule+0xdb/0x200
 schedule_timeout+0x1cf/0x290
 __wait_for_common+0x37a/0x530
 __flush_workqueue+0x3b2/0x1300
 hci_dev_open+0xdb/0x300
 hci_sock_ioctl+0x618/0x900
 sock_do_ioctl+0xd7/0x250
 sock_ioctl+0x2fb/0x660
 __x64_sys_ioctl+0x185/0x210
 do_syscall_64+0x34/0xb0
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f3646c796fb
RSP: 002b:00007ffcf64904f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3646c796fb
RDX: 0000000000000001 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 00007ffcf64906a0 R08: 0000000000000000 R09: 00007ffcf6490467
R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffcf6490c98
R13: 00007ffcf6490c98 R14: 0000000000000001 R15: 00000000fffffff1
 </TASK>
INFO: task syz-executor.6:3834 blocked for more than 144 seconds.
      Not tainted 5.19.0-rc4-syzkaller-00147-g029cc0963412 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.6  state:D stack:28304 pid: 3834 ppid:     1 flags:0x00000002
Call Trace:
 <TASK>
 __schedule+0xd07/0x4e00
 schedule+0xdb/0x200
 schedule_timeout+0x1cf/0x290
 __wait_for_common+0x37a/0x530
 __flush_workqueue+0x3b2/0x1300
 hci_dev_open+0xdb/0x300
 hci_sock_ioctl+0x618/0x900
 sock_do_ioctl+0xd7/0x250
 sock_ioctl+0x2fb/0x660
 __x64_sys_ioctl+0x185/0x210
 do_syscall_64+0x34/0xb0
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f21794796fb
RSP: 002b:00007ffd9a5b8160 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f21794796fb
RDX: 0000000000000006 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 00007ffd9a5b8310 R08: 0000000000000000 R09: 00007ffd9a5b80d7
R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffd9a5b8908
R13: 00007ffd9a5b8908 R14: 0000000000000001 R15: 00000000fffffff1
 </TASK>
INFO: task syz-executor.5:3836 blocked for more than 144 seconds.
      Not tainted 5.19.0-rc4-syzkaller-00147-g029cc0963412 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:28000 pid: 3836 ppid:     1 flags:0x00000002
Call Trace:
 <TASK>
 __schedule+0xd07/0x4e00
 schedule+0xdb/0x200
 schedule_timeout+0x1cf/0x290
 __wait_for_common+0x37a/0x530
 __flush_workqueue+0x3b2/0x1300
 hci_dev_open+0xdb/0x300
 hci_sock_ioctl+0x618/0x900
 sock_do_ioctl+0xd7/0x250
 sock_ioctl+0x2fb/0x660
 __x64_sys_ioctl+0x185/0x210
 do_syscall_64+0x34/0xb0
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f73888796fb
RSP: 002b:00007fffc29452f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f73888796fb
RDX: 0000000000000004 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 00007fffc29454a0 R08: 0000000000000000 R09: 00007fffc2945267
R10: 0000000000000008 R11: 0000000000000246 R12: 00007fffc2945a98
R13: 00007fffc2945a98 R14: 0000000000000001 R15: 00000000fffffff1
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/28:
 #0: ffffffff8bd872a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
2 locks held by getty/3278:
 #0: ffff88814aac3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x80
 #1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xeaf/0x1430
3 locks held by kworker/u5:5/3555:
 #0: ffff888078564938 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x8d9/0x1630
 #1: ffffc9000339fda0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x90d/0x1630
 #2: ffff88801f2a1048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x27/0x70
3 locks held by kworker/u5:6/3556:
 #0: ffff88807bdd6138 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work+0x8d9/0x1630
 #1: ffffc900033afda0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x90d/0x1630
 #2: ffff88807a285048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x27/0x70
3 locks held by kworker/u5:7/3557:
 #0: ffff88806ec92138 ((wq_completion)hci2){+.+.}-{0:0}, at: process_one_work+0x8d9/0x1630
 #1: ffffc900033bfda0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x90d/0x1630
 #2: ffff88806dc51048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x27/0x70
3 locks held by kworker/u5:9/3559:
 #0: ffff888078566138 ((wq_completion)hci4){+.+.}-{0:0}, at: process_one_work+0x8d9/0x1630
 #1: ffffc900033dfda0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x90d/0x1630
 #2: ffff88807819d048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x27/0x70

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

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc4-syzkaller-00147-g029cc0963412 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 dump_stack_lvl+0xfc/0x174
 nmi_cpu_backtrace.cold+0x22/0x16f
 nmi_trigger_cpumask_backtrace+0x1ea/0x230
 watchdog+0xcda/0x1030
 kthread+0x2e0/0x390
 ret_from_fork+0x1f/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 36 Comm: kworker/u4:2 Not tainted 5.19.0-rc4-syzkaller-00147-g029cc0963412 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0x3a9/0x5630
Code: 89 49 20 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 55 36 00 00 8b 84 24 58 01 00 00 48 8b 34 24 89 46 24 <41> 81 e6 ff 1f 00 00 be 08 00 00 00 4c 89 f0 48 c1 f8 06 48 8d 3c
RSP: 0018:ffffc90000ad7a30 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000020000 RCX: ffff8880163de330
RDX: 0000000000000000 RSI: ffff8880163de330 RDI: ffff8880163de354
RBP: 0000000000000000 R08: 1ffff11002c7bc65 R09: 0000000000020027
R10: ffffffff8bd872a0 R11: 0000000000000000 R12: 0000000000000050
R13: ffff8880163dd880 R14: 0000000000000027 R15: ffff8880163de2e0
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f65dda4a580 CR3: 000000007f595000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire+0x1a8/0x550
 batadv_nc_worker+0x11d/0x1010
 process_one_work+0x9f5/0x1630
 worker_thread+0x679/0x10d0
 kthread+0x2e0/0x390
 ret_from_fork+0x1f/0x30
 </TASK>
