INFO: task kworker/u5:3:3649 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-next-20220628-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:3 state:D stack:28600 pid: 3649 ppid: 2 flags:0x00004000
Workqueue: hci4 hci_power_on
Call Trace:
context_switch kernel/sched/core.c:5184 [inline]
__schedule+0xa09/0x4f10 kernel/sched/core.c:6496
schedule+0xd2/0x1f0 kernel/sched/core.c:6568
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x378/0x530 kernel/sched/completion.c:106
__flush_work+0x56c/0xb10 kernel/workqueue.c:3075
__cancel_work_timer+0x3f9/0x570 kernel/workqueue.c:3162
hci_dev_close_sync+0x88/0x1140 net/bluetooth/hci_sync.c:4115
hci_dev_do_close+0x2d/0x70 net/bluetooth/hci_core.c:553
hci_power_on+0x1bb/0x630 net/bluetooth/hci_core.c:988
process_one_work+0x991/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
INFO: task syz-executor.2:3115 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-next-20220628-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28008 pid: 3115 ppid: 1 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5184 [inline]
__schedule+0xa09/0x4f10 kernel/sched/core.c:6496
schedule+0xd2/0x1f0 kernel/sched/core.c:6568
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x378/0x530 kernel/sched/completion.c:106
__flush_workqueue+0x3ed/0x13a0 kernel/workqueue.c:2861
hci_dev_open+0xdb/0x300 net/bluetooth/hci_core.c:526
hci_sock_ioctl+0x627/0x910 net/bluetooth/hci_sock.c:1034
sock_do_ioctl+0xcc/0x230 net/socket.c:1169
sock_ioctl+0x2f1/0x640 net/socket.c:1286
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f546b888fc7
RSP: 002b:00007ffc3fa3ed78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc3fa3f438 RCX: 00007f546b888fc7
RDX: 0000000000000004 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007f546afff700 R09: 00007f546afff700
R10: 00007f546afff9d0 R11: 0000000000000246 R12: 0000000000000003
R13: 00007ffc3fa3eed0 R14: 00007f546b99c9b8 R15: 000000000000000c
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8bd864f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8bd861f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8bd87040 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
2 locks held by getty/3285:
#0: ffff8880267bb098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2177
3 locks held by kworker/u5:3/3649:
#0: ffff88802378a938 ((wq_completion)hci4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88802378a938 ((wq_completion)hci4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88802378a938 ((wq_completion)hci4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88802378a938 ((wq_completion)hci4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88802378a938 ((wq_completion)hci4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88802378a938 ((wq_completion)hci4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9000329fda8 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff8880751cd048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x25/0x70 net/bluetooth/hci_core.c:551
3 locks held by kworker/u5:0/3121:
#0: ffff88801f39a138 ((wq_completion)hci6){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88801f39a138 ((wq_completion)hci6){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88801f39a138 ((wq_completion)hci6){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88801f39a138 ((wq_completion)hci6){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88801f39a138 ((wq_completion)hci6){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88801f39a138 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90002d4fda8 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff888090595048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x25/0x70 net/bluetooth/hci_core.c:551
3 locks held by kworker/u5:1/3465:
#0: ffff88801c2c9938 ((wq_completion)hci7){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88801c2c9938 ((wq_completion)hci7){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88801c2c9938 ((wq_completion)hci7){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88801c2c9938 ((wq_completion)hci7){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88801c2c9938 ((wq_completion)hci7){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88801c2c9938 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9000328fda8 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88803b73d048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x25/0x70 net/bluetooth/hci_core.c:551
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc4-next-20220628-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc18/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2958 Comm: klogd Not tainted 5.19.0-rc4-next-20220628-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:format_decode+0x1a1/0xad0 lib/vsprintf.c:2535
Code: ff 44 89 fe e8 a0 00 57 fd 45 84 ff 0f 84 97 00 00 00 e8 02 04 57 fd 44 89 fe bf 25 00 00 00 e8 85 00 57 fd 41 80 ff 25 75 a5 ea 03 57 fd 49 39 dd 75 75 e8 e0 03 57 fd 48 8b 44 24 38 c6 45
RSP: 0018:ffffc90002d0f810 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff89cd55c2 RCX: ffffffff8423b31b
RDX: ffff88807cda9d40 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90002d0f928 R08: 0000000000000001 R09: 0000000000000025
R10: 0000000000000025 R11: 0000000000000001 R12: dffffc0000000000
R13: ffffffff89cd55c2 R14: 1ffff920005a1f05 R15: 0000000000000025
FS: 00007f3919e90800(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0005d40bc CR3: 000000007f307000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vsnprintf+0x155/0x1660 lib/vsprintf.c:2747
snprintf+0xbb/0xf0 lib/vsprintf.c:2930
print_caller kernel/printk/printk.c:1286 [inline]
info_print_prefix+0x11c/0x340 kernel/printk/printk.c:1305
record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1352
syslog_print+0x48a/0x580 kernel/printk/printk.c:1563
do_syslog.part.0+0x1db/0x5f0 kernel/printk/printk.c:1682
do_syslog kernel/printk/printk.c:1772 [inline]
__do_sys_syslog kernel/printk/printk.c:1774 [inline]
__se_sys_syslog kernel/printk/printk.c:1772 [inline]
__x64_sys_syslog+0x97/0xc0 kernel/printk/printk.c:1772
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f391a02b8b7
Code: 73 01 c3 48 8b 0d c1 05 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 05 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffedd7a51b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f391a1b8490 RCX: 00007f391a02b8b7
RDX: 00000000000003ff RSI: 00007f391a1b8490 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000562c13d19c90
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f391a1b8490
R13: 00007f391a1b8818 R14: 00007f391a1b8818 R15: 0000000000000000