INFO: task syz-executor:5079 blocked for more than 143 seconds.
Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:20272 pid:5079 tgid:5079 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 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
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
kernfs_find_and_get include/linux/kernfs.h:604 [inline]
sysfs_remove_group+0x6a/0x2c0 fs/sysfs/group.c:308
loop_sysfs_exit drivers/block/loop.c:772 [inline]
__loop_clr_fd+0x398/0x810 drivers/block/loop.c:1184
loop_clr_fd drivers/block/loop.c:1276 [inline]
lo_ioctl+0x174a/0x21a0 drivers/block/loop.c:1578
blkdev_ioctl+0x580/0x6b0 block/ioctl.c:676
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/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: 0033:0x7fb1887756eb
RSP: 002b:00007ffc7ba434f0 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1887756eb
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
RBP: 00007ffc7ba4359c R08: 0000000000000000 R09: 00007ffc7ba43297
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 0000000000026c8c R14: 0000000000026663 R15: 00007ffc7ba43600
INFO: task syz-executor:5080 blocked for more than 144 seconds.
Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:19056 pid:5080 tgid:5080 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 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
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
kernfs_find_and_get include/linux/kernfs.h:604 [inline]
sysfs_remove_group+0x6a/0x2c0 fs/sysfs/group.c:308
loop_sysfs_exit drivers/block/loop.c:772 [inline]
__loop_clr_fd+0x398/0x810 drivers/block/loop.c:1184
loop_clr_fd drivers/block/loop.c:1276 [inline]
lo_ioctl+0x174a/0x21a0 drivers/block/loop.c:1578
blkdev_ioctl+0x580/0x6b0 block/ioctl.c:676
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/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: 0033:0x7fa8aab756eb
RSP: 002b:00007ffd7e40ee30 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa8aab756eb
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
RBP: 00007ffd7e40eedc R08: 0000000000000000 R09: 00007ffd7e40ebd7
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 00000000000265bb R14: 000000000002647d R15: 00007ffd7e40ef40
INFO: task syz-executor:5082 blocked for more than 146 seconds.
Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:19952 pid:5082 tgid:5082 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 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
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159
lookup_fast+0x1f4/0x4a0
walk_component fs/namei.c:2000 [inline]
link_path_walk+0x60b/0xea0 fs/namei.c:2331
path_openat+0x24a/0x3280 fs/namei.c:3803
do_filp_open+0x235/0x490 fs/namei.c:3834
do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_openat fs/open.c:1436 [inline]
__se_sys_openat fs/open.c:1431 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1431
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: 0033:0x7fbe5b1753e1
RSP: 002b:00007ffcc1d0fca0 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000130 RCX: 00007fbe5b1753e1
RDX: 0000000000090800 RSI: 00007fbe5b1e391e RDI: 00000000ffffff9c
RBP: 00007ffcc1d0fd5c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
R13: 0000000000026390 R14: 00000000000262f8 R15: 00007ffcc1d0fdc0
INFO: task syz-executor:5083 blocked for more than 147 seconds.
Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:18448 pid:5083 tgid:5083 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 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
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159
lookup_fast+0x1f4/0x4a0
walk_component fs/namei.c:2000 [inline]
link_path_walk+0x60b/0xea0 fs/namei.c:2331
path_openat+0x24a/0x3280 fs/namei.c:3803
do_filp_open+0x235/0x490 fs/namei.c:3834
do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_openat fs/open.c:1436 [inline]
__se_sys_openat fs/open.c:1431 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1431
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: 0033:0x7f680b9753e1
RSP: 002b:00007ffdeb4a2570 EFLAGS: 00000287
ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000155 RCX: 00007f680b9753e1
RDX: 0000000000090800 RSI: 00007f680b9e391e RDI: 00000000ffffff9c
RBP: 00007ffdeb4a262c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
R13: 00000000000277eb R14: 0000000000026f49 R15: 00007ffdeb4a2690
INFO: task syz-executor:6116 blocked for more than 148 seconds.
Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:19280 pid:6116 tgid:6116 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 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
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159
lookup_fast+0x1f4/0x4a0
walk_component fs/namei.c:2000 [inline]
link_path_walk+0x60b/0xea0 fs/namei.c:2331
path_openat+0x24a/0x3280 fs/namei.c:3803
do_filp_open+0x235/0x490 fs/namei.c:3834
do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_openat fs/open.c:1436 [inline]
__se_sys_openat fs/open.c:1431 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1431
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: 0033:0x7f915ad753e1
RSP: 002b:00007ffe849f40c0 EFLAGS: 00000287
ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000000000ad RCX: 00007f915ad753e1
RDX: 0000000000090800 RSI: 00007f915ade391e RDI: 00000000ffffff9c
RBP: 00007ffe849f417c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000
R13: 0000000000026fbe R14: 0000000000026fa9 R15: 00007ffe849f41e0
INFO: task syz.2.649:7121 blocked for more than 149 seconds.
Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.649 state:D stack:24672 pid:7121 tgid:7121 ppid:5082 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__synchronize_srcu+0x357/0x400 kernel/rcu/srcutree.c:1396
wakeup_source_remove drivers/base/power/wakeup.c:198 [inline]
wakeup_source_unregister+0x115/0x190 drivers/base/power/wakeup.c:242
__ep_remove+0x4f5/0x780 fs/eventpoll.c:845
ep_remove_safe fs/eventpoll.c:864 [inline]
ep_clear_and_put+0x156/0x300 fs/eventpoll.c:900
ep_eventpoll_release+0x48/0x60 fs/eventpoll.c:937
__fput+0x406/0x8b0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [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+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbe5b175ae9
RSP: 002b:00007ffcc1d0fae8 EFLAGS: 00000246
ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000262cc RCX: 00007fbe5b175ae9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: ffffffffffffffff R08: 0000000000000001 R09: 00000005c1d0fdff
R10: 00007fbe5b000000 R11: 0000000000000246 R12: 00007fbe5b303fac
R13: 0000000000000032 R14: 00007fbe5b3059a0 R15: 00007fbe5b303fa0
INFO: task syz.4.667:7145 blocked for more than 150 seconds.
Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.667 state:D
stack:24504 pid:7145 tgid:7144 ppid:6116 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 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
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
kernfs_add_one+0x9a/0x8b0 fs/kernfs/dir.c:778
kernfs_create_dir_ns+0xd9/0x120 fs/kernfs/dir.c:1071
sysfs_create_dir_ns+0x189/0x3a0 fs/sysfs/dir.c:59
create_dir lib/kobject.c:73 [inline]
kobject_add_internal+0x435/0x8d0 lib/kobject.c:240
kobject_add_varg lib/kobject.c:374 [inline]
kobject_init_and_add+0x124/0x190 lib/kobject.c:457
bus_add_driver+0x25a/0x670 drivers/base/bus.c:666
driver_register+0x23a/0x320 drivers/base/driver.c:246
usb_gadget_register_driver_owner+0xdd/0x230 drivers/usb/gadget/udc/core.c:1701
raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline]
raw_ioctl+0x13ae/0x3ce0 drivers/usb/gadget/legacy/raw_gadget.c:1306
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/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: 0033:0x7f915ad756eb
RSP: 002b:00007f915ba82f20 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f915ad756eb
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 00007f915ba83ff0 R08: 0000000000000010 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f915ba82fc0 R14: 0000000020000100 R15: 00007f915b030320
INFO: task syz-executor:7146 blocked for more than 151 seconds.
Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:24992 pid:7146 tgid:7146 ppid:5069 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 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
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159
lookup_fast+0x1f4/0x4a0
walk_component fs/namei.c:2000 [inline]
link_path_walk+0x60b/0xea0 fs/namei.c:2331
path_openat+0x24a/0x3280 fs/namei.c:3803
do_filp_open+0x235/0x490 fs/namei.c:3834
do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_openat fs/open.c:1436 [inline]
__se_sys_openat fs/open.c:1431 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1431
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: 0033:0x7fe8dc9744d1
RSP: 002b:00007ffd841f6a80 EFLAGS: 00000202
ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe8dc9744d1
RDX: 0000000000000002 RSI: 00007fe8dc9e3a7e RDI: 00000000ffffff9c
RBP: 00007fe8dc9e3a7e R08: 0000000000000000 R09: 00007ffd841f6dc8
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000009
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0:
ffffffff8e333fa0
(
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
5 locks held by kworker/u9:0/53:
#0: ffff88802b3bc948 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88802b3bc948 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1:
ffffc90000bd7d00
(
(work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
(work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff8880235c4d88 (&hdev->req_lock){+.+.}-{3:3}
, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309
#3: ffff8880235c4078
(
&hdev->lock
){+.+.}-{3:3}
, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5431
#4: ffff888015ed4148
(
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
2 locks held by kworker/0:2/58:
2 locks held by getty/4845:
#0:
ffff88802b2ae0a0
(
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1:
ffffc90002f162f0
(
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
1 lock held by syz-executor/5079:
#0:
ffff888015ed4148
(
&root->kernfs_rwsem
){++++}-{3:3}, at: kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
1 lock held by syz-executor/5080:
#0: ffff888015ed4148
(
&root->kernfs_rwsem){++++}-{3:3}
, at: kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
1 lock held by syz-executor/5082:
#0:
ffff888015ed4148
(
&root->kernfs_rwsem){++++}-{3:3}, at: kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159
8 locks held by kworker/0:4/5084:
5 locks held by kworker/u9:2/5085:
#0:
ffff888021ff2948
((wq_completion)hci4){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
((wq_completion)hci4){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90003977d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90003977d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff888024060d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309
#3: ffff888024060078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5431
#4: ffff888015ed4148 (&root->kernfs_rwsem){++++}-{3:3}, at: kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
1 lock held by syz-executor/5083:
#0: ffff888015ed4148 (&root->kernfs_rwsem){++++}-{3:3}, at: kernfs_dop_revalidate+0xd4/0x560 fs/kernfs/dir.c:1159
5 locks held by kworker/u9:3/5087:
#0: ffff888077246948 ((wq_completion)hci2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888077246948 ((wq_completion)hci2){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900039a7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900039a7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2:
ffff88802f7c4d88
(
&hdev->req_lock
){+.+.}-{3:3}
, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309
#3: ffff88802f7c4078
(
&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5431
#4: ffff888015ed4148 (&root->kernfs_rwsem){++++}-{3:3}, at: kernfs_find_and_get_ns+0x71/0x110 fs/kernfs/dir.c:918
5 locks held by kworker/u9:5/5095:
#0: ffff88803020d948 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88803020d948 ((wq_completion)hci0){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900040ffd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900040ffd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: