INFO: task syz-executor.0:14146 blocked for more than 143 seconds.
Not tainted 5.17.0-rc7-syzkaller-00064-g330f4c53d3c2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27976 pid:14146 ppid: 3628 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
device_lock include/linux/device.h:767 [inline]
usbdev_release+0x83/0x4b0 drivers/usb/core/devio.c:1075
__fput+0x286/0x9f0 fs/file_table.c:317
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0493129c8b
RSP: 002b:00007ffd11f0a770 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f0493129c8b
RDX: 00007f049328ee38 RSI: ffffffffffffffff RDI: 0000000000000005
RBP: 00007f049328b960 R08: 0000000000000000 R09: 00007f049328ee40
R10: 00007ffd11f0a870 R11: 0000000000000293 R12: 00000000000869a7
R13: 00007ffd11f0a870 R14: 00007f0493289f60 R15: 0000000000000032
INFO: task syz-executor.2:14152 blocked for more than 143 seconds.
Not tainted 5.17.0-rc7-syzkaller-00064-g330f4c53d3c2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26656 pid:14152 ppid: 3627 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
device_lock include/linux/device.h:767 [inline]
usbdev_open+0x19d/0x920 drivers/usb/core/devio.c:1030
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:824
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1214
do_sys_open fs/open.c:1230 [inline]
__do_sys_openat fs/open.c:1246 [inline]
__se_sys_openat fs/open.c:1241 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1241
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+0x44/0xae
RIP: 0033:0x7f53851f3f64
RSP: 002b:00007f5383b94ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f53851f3f64
RDX: 0000000000141201 RSI: 00007f5383b94d40 RDI: 00000000ffffff9c
RBP: 00007f5383b94d40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000141201
R13: 00007ffcda8ef80f R14: 00007f5383b95300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb84ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
1 lock held by klogd/2953:
2 locks held by getty/3284:
#0: ffff888022f63098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b632e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2075
5 locks held by kworker/1:5/3686:
#0: ffff8880123be538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880123be538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880123be538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8880123be538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff8880123be538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff8880123be538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90002c3fdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff888147a4e220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888147a4e220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5688
#3: ffff888147a62580 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3091 [inline]
#3: ffff888147a62580 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5254 [inline]
#3: ffff888147a62580 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
#3: ffff888147a62580 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5660 [inline]
#3: ffff888147a62580 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1fba/0x44d0 drivers/usb/core/hub.c:5742
#4: ffff8881479eee68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5255 [inline]
#4: ffff8881479eee68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
#4: ffff8881479eee68 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5660 [inline]
#4: ffff8881479eee68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1fe3/0x44d0 drivers/usb/core/hub.c:5742
2 locks held by kworker/u4:5/12679:
#0: ffff8880b9d39c58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489
#1: ffffc90005587db8 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
1 lock held by syz-executor.0/14146:
#0: ffff888147a4e220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#0: ffff888147a4e220 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x83/0x4b0 drivers/usb/core/devio.c:1075
1 lock held by syz-executor.2/14152:
#0: ffff888147a4e220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#0: ffff888147a4e220 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x19d/0x920 drivers/usb/core/devio.c:1030
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc7-syzkaller-00064-g330f4c53d3c2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4402 Comm: kworker/u4:9 Not tainted 5.17.0-rc7-syzkaller-00064-g330f4c53d3c2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy14 ieee80211_iface_work
RIP: 0010:lock_is_held_type+0x10c/0x140 kernel/locking/lockdep.c:5687
Code: b6 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f 45 31 ed eb b9 0f 0b 48 c7 c7 40 65 ac 89 e8 40 0d 00 00 65 c7
RSP: 0018:ffffc90003a1fa78 EFLAGS: 00000286
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: 1ffff92000743f54 R08: 0000000000000000 R09: ffffffff8d942bd7
R10: fffffbfff1b2857a R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880764318a8 R14: ffff888076430cc0 R15: ffff888076431850
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00068bad0 CR3: 0000000070535000 CR4: 0000000000350ee0
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
trace_lock_release include/trace/events/lock.h:58 [inline]
lock_release+0x522/0x720 kernel/locking/lockdep.c:5650
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]
_raw_spin_unlock_bh+0x12/0x30 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:394 [inline]
ieee80211_ibss_work+0x353/0xe80 net/mac80211/ibss.c:1702
ieee80211_iface_work+0xb74/0xd00 net/mac80211/iface.c:1603
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: b6 76 mov $0x76,%dh
2: 83 f8 01 cmp $0x1,%eax
5: 75 29 jne 0x30
7: 9c pushfq
8: 58 pop %rax
9: f6 c4 02 test $0x2,%ah
c: 75 3d jne 0x4b
e: 48 f7 04 24 00 02 00 testq $0x200,(%rsp)
15: 00
16: 74 01 je 0x19
18: fb sti
19: 48 83 c4 08 add $0x8,%rsp
1d: 44 89 e8 mov %r13d,%eax
20: 5b pop %rbx
21: 5d pop %rbp
22: 41 5c pop %r12
24: 41 5d pop %r13
26: 41 5e pop %r14
28: 41 5f pop %r15
* 2a: c3 retq <-- trapping instruction
2b: 45 31 ed xor %r13d,%r13d
2e: eb b9 jmp 0xffffffe9
30: 0f 0b ud2
32: 48 c7 c7 40 65 ac 89 mov $0xffffffff89ac6540,%rdi
39: e8 40 0d 00 00 callq 0xd7e
3e: 65 gs
3f: c7 .byte 0xc7