INFO: task kworker/1:2:140 blocked for more than 143 seconds.
Not tainted 5.18.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2 state:D stack:24880 pid: 140 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26b0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1860
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
pn533_send_cmd_sync drivers/nfc/pn533/pn533.c:631 [inline]
pn533_get_firmware_version drivers/nfc/pn533/pn533.c:2519 [inline]
pn533_finalize_setup+0xec/0x130 drivers/nfc/pn533/pn533.c:2716
pn533_usb_probe+0x846/0xf00 drivers/nfc/pn533/usb.c:544
usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:542 [inline]
really_probe+0x1c1/0x9d0 drivers/base/dd.c:621
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:752
driver_probe_device+0x44/0x110 drivers/base/dd.c:782
__device_attach_driver+0x185/0x250 drivers/base/dd.c:899
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:970
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0x9ca/0x1b10 drivers/base/core.c:3405
usb_set_configuration+0xa66/0x18b0 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:542 [inline]
really_probe+0x1c1/0x9d0 drivers/base/dd.c:621
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:752
driver_probe_device+0x44/0x110 drivers/base/dd.c:782
__device_attach_driver+0x185/0x250 drivers/base/dd.c:899
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:970
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0x9ca/0x1b10 drivers/base/core.c:3405
usb_new_device.cold+0x5d1/0xeeb drivers/usb/core/hub.c:2566
hub_port_connect drivers/usb/core/hub.c:5363 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
port_event drivers/usb/core/hub.c:5665 [inline]
hub_event+0x114d/0x39b0 drivers/usb/core/hub.c:5747
process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
worker_thread+0x598/0xec0 kernel/workqueue.c:2436
kthread+0x299/0x340 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8af76920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6467
5 locks held by kworker/1:2/140:
#0: ffff888015ef0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888015ef0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888015ef0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888015ef0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888015ef0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888015ef0138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x13d0 kernel/workqueue.c:2260
#1: ffffc90001bffdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7b7/0x13d0 kernel/workqueue.c:2264
#2: ffff888148b30220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888148b30220 (&dev->mutex){....}-{3:3}, at: hub_event+0x127/0x39b0 drivers/usb/core/hub.c:5693
#3: ffff8880763aa220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff8880763aa220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:945
#4: ffff8880192f41a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff8880192f41a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:945
2 locks held by kworker/u4:3/439:
2 locks held by getty/3310:
#0: ffff888148672098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900028e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x9d7/0xed0 drivers/tty/n_tty.c:2075
3 locks held by udevd/4015:
#0: ffff88806e287c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:198 [inline]
#0: ffff88806e287c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x15f/0x650 fs/kernfs/file.c:237
#1: ffff88801c828cb8 (kn->active#56){.+.+}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:199 [inline]
#1: ffff88801c828cb8 (kn->active#56){.+.+}-{0:0}, at: kernfs_fop_read_iter+0x182/0x650 fs/kernfs/file.c:237
#2: ffff8880763aa220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:772 [inline]
#2: ffff8880763aa220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x36/0x310 drivers/usb/core/sysfs.c:873
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.18.0-syzkaller #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+0x57/0x7d lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x30/0xc0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x140/0x170 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+0x88c/0xbf0 kernel/hung_task.c:369
kthread+0x299/0x340 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 439 Comm: kworker/u4:3 Not tainted 5.18.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__lock_acquire+0x144c/0x5660 kernel/locking/lockdep.c:5025
Code: 00 00 48 8d 1c 5b 48 c1 e3 06 48 81 c3 60 bc 12 8f 48 8d 7b 40 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 24 35 00 00 48 83 7b 40 00 0f 85 44 f7 ff ff 0f 0b e9 3d f7
RSP: 0018:ffffc9000261f790 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffffffff8f12c3e0 RCX: ffffffff8153f8a6
RDX: 1ffffffff1e25884 RSI: 0000000000000008 RDI: ffffffff8f12c420
RBP: ffff888018a9620a R08: 0000000000000000 R09: ffffffff8f12b847
R10: fffffbfff1e25708 R11: 0000000000000001 R12: ffff888018a961e8
R13: ffff888018a95700 R14: 0000000000000000 R15: 1bbdb78f1fd381f5
FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002831708 CR3: 000000000ac8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5641 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
__get_locked_pte+0x105/0x210 mm/memory.c:1752
get_locked_pte include/linux/mm.h:2128 [inline]
__text_poke+0x1ae/0x8c0 arch/x86/kernel/alternative.c:1038
text_poke arch/x86/kernel/alternative.c:1121 [inline]
text_poke_bp_batch+0x435/0x6c0 arch/x86/kernel/alternative.c:1436
text_poke_flush arch/x86/kernel/alternative.c:1542 [inline]
text_poke_flush arch/x86/kernel/alternative.c:1539 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1549
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x15f/0x220 kernel/jump_label.c:177
static_key_enable+0x11/0x20 kernel/jump_label.c:190
toggle_allocation_gate mm/kfence/core.c:774 [inline]
toggle_allocation_gate+0xe3/0x310 mm/kfence/core.c:766
process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
worker_thread+0x598/0xec0 kernel/workqueue.c:2436
kthread+0x299/0x340 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 48 8d 1c 5b lea (%rbx,%rbx,2),%rbx
6: 48 c1 e3 06 shl $0x6,%rbx
a: 48 81 c3 60 bc 12 8f add $0xffffffff8f12bc60,%rbx
11: 48 8d 7b 40 lea 0x40(%rbx),%rdi
15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1c: fc ff df
1f: 48 89 fa mov %rdi,%rdx
22: 48 c1 ea 03 shr $0x3,%rdx
26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
* 2a: 0f 85 24 35 00 00 jne 0x3554 <-- trapping instruction
30: 48 83 7b 40 00 cmpq $0x0,0x40(%rbx)
35: 0f 85 44 f7 ff ff jne 0xfffff77f
3b: 0f 0b ud2
3d: e9 .byte 0xe9
3e: 3d .byte 0x3d
3f: f7 .byte 0xf7