======================================================
WARNING: possible circular locking dependency detected
5.14.0-rc1-syzkaller #0 Not tainted
------------------------------------------------------
kworker/0:7/7755 is trying to acquire lock:
ffffffff87750940 (fs_reclaim){+.+.}-{0:0}, at: fs_reclaim_acquire+0xf7/0x160 mm/page_alloc.c:4574
but task is already holding lock:
ffff8881f684bee0 (lock#2){..-.}-{2:2}, at: __alloc_pages_bulk+0x406/0x1600 mm/page_alloc.c:5279
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (lock#2){..-.}-{2:2}:
local_lock_acquire include/linux/local_lock_internal.h:42 [inline]
rmqueue_pcplist mm/page_alloc.c:3663 [inline]
rmqueue mm/page_alloc.c:3701 [inline]
get_page_from_freelist+0xc9b/0x28b0 mm/page_alloc.c:4163
__alloc_pages+0x1b2/0x4e0 mm/page_alloc.c:5374
alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2244
alloc_slab_page mm/slub.c:1713 [inline]
allocate_slab+0x32b/0x4c0 mm/slub.c:1853
new_slab mm/slub.c:1916 [inline]
new_slab_objects mm/slub.c:2662 [inline]
___slab_alloc+0x4ba/0x820 mm/slub.c:2825
__slab_alloc+0x68/0x80 mm/slub.c:2865
slab_alloc_node mm/slub.c:2947 [inline]
slab_alloc mm/slub.c:2989 [inline]
kmem_cache_alloc+0x339/0x360 mm/slub.c:2994
anon_vma_chain_alloc mm/rmap.c:136 [inline]
anon_vma_clone+0xe0/0x5f0 mm/rmap.c:282
anon_vma_fork+0x82/0x630 mm/rmap.c:345
dup_mmap kernel/fork.c:554 [inline]
dup_mm+0x8a6/0x11e0 kernel/fork.c:1379
copy_mm kernel/fork.c:1431 [inline]
copy_process+0x5ec0/0x7040 kernel/fork.c:2119
kernel_clone+0xe7/0xa70 kernel/fork.c:2509
__do_sys_clone+0xc8/0x110 kernel/fork.c:2626
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
-> #2 (&anon_vma->rwsem){++++}-{3:3}:
down_write+0x92/0x150 kernel/locking/rwsem.c:1406
anon_vma_lock_write include/linux/rmap.h:116 [inline]
__vma_adjust+0x2f5/0x26b0 mm/mmap.c:868
vma_adjust include/linux/mm.h:2545 [inline]
__split_vma+0x2b3/0x550 mm/mmap.c:2770
split_vma+0x95/0xd0 mm/mmap.c:2799
mprotect_fixup+0x6eb/0x8e0 mm/mprotect.c:483
do_mprotect_pkey+0x558/0x9a0 mm/mprotect.c:636
__do_sys_mprotect mm/mprotect.c:662 [inline]
__se_sys_mprotect mm/mprotect.c:659 [inline]
__x64_sys_mprotect+0x74/0xb0 mm/mprotect.c:659
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
-> #1 (&mapping->i_mmap_rwsem){++++}-{3:3}:
down_write+0x92/0x150 kernel/locking/rwsem.c:1406
i_mmap_lock_write include/linux/fs.h:494 [inline]
dma_resv_lockdep+0x348/0x540 drivers/dma-buf/dma-resv.c:689
do_one_initcall+0x103/0x5d0 init/main.c:1282
do_initcall_level init/main.c:1355 [inline]
do_initcalls init/main.c:1371 [inline]
do_basic_setup init/main.c:1391 [inline]
kernel_init_freeable+0x6ae/0x737 init/main.c:1593
kernel_init+0x1a/0x1d0 init/main.c:1485
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
-> #0 (fs_reclaim){+.+.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3051 [inline]
check_prevs_add kernel/locking/lockdep.c:3174 [inline]
validate_chain kernel/locking/lockdep.c:3789 [inline]
__lock_acquire+0x2a07/0x54a0 kernel/locking/lockdep.c:5015
lock_acquire kernel/locking/lockdep.c:5625 [inline]
lock_acquire+0x19d/0x4d0 kernel/locking/lockdep.c:5590
__fs_reclaim_acquire mm/page_alloc.c:4552 [inline]
fs_reclaim_acquire+0x117/0x160 mm/page_alloc.c:4566
prepare_alloc_pages+0x155/0x4f0 mm/page_alloc.c:5164
__alloc_pages+0x12f/0x4e0 mm/page_alloc.c:5363
alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2244
stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303
save_stack+0x102/0x1d0 mm/page_owner.c:120
__set_page_owner+0x50/0x290 mm/page_owner.c:181
prep_new_page mm/page_alloc.c:2433 [inline]
__alloc_pages_bulk+0x7ed/0x1600 mm/page_alloc.c:5301
alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline]
vm_area_alloc_pages mm/vmalloc.c:2793 [inline]
__vmalloc_area_node mm/vmalloc.c:2863 [inline]
__vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966
__vmalloc_node mm/vmalloc.c:3015 [inline]
vzalloc+0x67/0x80 mm/vmalloc.c:3085
hid_open_report+0x221/0x660 drivers/hid/hid-core.c:1233
hid_parse include/linux/hid.h:1051 [inline]
isku_probe+0x68/0x3e0 drivers/hid/hid-roccat-isku.c:327
hid_device_probe+0x2bd/0x3f0 drivers/hid/hid-core.c:2287
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
hid_add_device+0x344/0x9d0 drivers/hid/hid-core.c:2439
usbhid_probe+0xb88/0x1080 drivers/hid/usbhid/hid-core.c:1417
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2559
hub_port_connect drivers/usb/core/hub.c:5300 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5440 [inline]
port_event drivers/usb/core/hub.c:5586 [inline]
hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5668
process_one_work+0x98d/0x15b0 kernel/workqueue.c:2276
worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
kthread+0x3c0/0x4a0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
other info that might help us debug this:
Chain exists of:
fs_reclaim --> &anon_vma->rwsem --> lock#2
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(lock#2);
lock(&anon_vma->rwsem);
lock(lock#2);
lock(fs_reclaim);
*** DEADLOCK ***
7 locks held by kworker/0:7/7755:
#0: ffff88810a2d6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88810a2d6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:620 [inline]
#0: ffff88810a2d6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff88810a2d6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
#0: ffff88810a2d6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
#0: ffff88810a2d6138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x15b0 kernel/workqueue.c:2247
#1: ffffc90006867db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15b0 kernel/workqueue.c:2251
#2: ffff88810f8b1220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:754 [inline]
#2: ffff88810f8b1220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5614
#3: ffff888118586220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:754 [inline]
#3: ffff888118586220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:940
#4: ffff888114c2e1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:754 [inline]
#4: ffff888114c2e1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:940
#5: ffff88812081dab0 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:754 [inline]
#5: ffff88812081dab0 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:940
#6: ffff8881f684bee0 (lock#2){..-.}-{2:2}, at: __alloc_pages_bulk+0x406/0x1600 mm/page_alloc.c:5279
stack backtrace:
CPU: 0 PID: 7755 Comm: kworker/0:7 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
check_noncircular+0x25f/0x2e0 kernel/locking/lockdep.c:2131
check_prev_add kernel/locking/lockdep.c:3051 [inline]
check_prevs_add kernel/locking/lockdep.c:3174 [inline]
validate_chain kernel/locking/lockdep.c:3789 [inline]
__lock_acquire+0x2a07/0x54a0 kernel/locking/lockdep.c:5015
lock_acquire kernel/locking/lockdep.c:5625 [inline]
lock_acquire+0x19d/0x4d0 kernel/locking/lockdep.c:5590
__fs_reclaim_acquire mm/page_alloc.c:4552 [inline]
fs_reclaim_acquire+0x117/0x160 mm/page_alloc.c:4566
prepare_alloc_pages+0x155/0x4f0 mm/page_alloc.c:5164
__alloc_pages+0x12f/0x4e0 mm/page_alloc.c:5363
alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2244
stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303
save_stack+0x102/0x1d0 mm/page_owner.c:120
__set_page_owner+0x50/0x290 mm/page_owner.c:181
prep_new_page mm/page_alloc.c:2433 [inline]
__alloc_pages_bulk+0x7ed/0x1600 mm/page_alloc.c:5301
alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline]
vm_area_alloc_pages mm/vmalloc.c:2793 [inline]
__vmalloc_area_node mm/vmalloc.c:2863 [inline]
__vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966
__vmalloc_node mm/vmalloc.c:3015 [inline]
vzalloc+0x67/0x80 mm/vmalloc.c:3085
hid_open_report+0x221/0x660 drivers/hid/hid-core.c:1233
hid_parse include/linux/hid.h:1051 [inline]
isku_probe+0x68/0x3e0 drivers/hid/hid-roccat-isku.c:327
hid_device_probe+0x2bd/0x3f0 drivers/hid/hid-core.c:2287
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
hid_add_device+0x344/0x9d0 drivers/hid/hid-core.c:2439
usbhid_probe+0xb88/0x1080 drivers/hid/usbhid/hid-core.c:1417
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2559
hub_port_connect drivers/usb/core/hub.c:5300 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5440 [inline]
port_event drivers/usb/core/hub.c:5586 [inline]
hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5668
process_one_work+0x98d/0x15b0 kernel/workqueue.c:2276
worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
kthread+0x3c0/0x4a0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: sleeping function called from invalid context at mm/page_alloc.c:5167
in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 7755, name: kworker/0:7
INFO: lockdep is turned off.
irq event stamp: 307396
hardirqs last enabled at (307395): [<ffffffff85c08532>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last enabled at (307395): [<ffffffff85c08532>] _raw_spin_unlock_irqrestore+0x42/0x50 kernel/locking/spinlock.c:191
hardirqs last disabled at (307396): [<ffffffff81697a7b>] __alloc_pages_bulk+0xebb/0x1600 mm/page_alloc.c:5279
softirqs last enabled at (305266): [<ffffffff8115a237>] invoke_softirq kernel/softirq.c:432 [inline]
softirqs last enabled at (305266): [<ffffffff8115a237>] __irq_exit_rcu+0x117/0x160 kernel/softirq.c:636
softirqs last disabled at (305153): [<ffffffff8115a237>] invoke_softirq kernel/softirq.c:432 [inline]
softirqs last disabled at (305153): [<ffffffff8115a237>] __irq_exit_rcu+0x117/0x160 kernel/softirq.c:636
CPU: 0 PID: 7755 Comm: kworker/0:7 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
___might_sleep.cold+0x141/0x16f kernel/sched/core.c:9154
prepare_alloc_pages+0x32d/0x4f0 mm/page_alloc.c:5167
__alloc_pages+0x12f/0x4e0 mm/page_alloc.c:5363
alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2244
stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303
save_stack+0x102/0x1d0 mm/page_owner.c:120
__set_page_owner+0x50/0x290 mm/page_owner.c:181
prep_new_page mm/page_alloc.c:2433 [inline]
__alloc_pages_bulk+0x7ed/0x1600 mm/page_alloc.c:5301
alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline]
vm_area_alloc_pages mm/vmalloc.c:2793 [inline]
__vmalloc_area_node mm/vmalloc.c:2863 [inline]
__vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966
__vmalloc_node mm/vmalloc.c:3015 [inline]
vzalloc+0x67/0x80 mm/vmalloc.c:3085
hid_open_report+0x221/0x660 drivers/hid/hid-core.c:1233
hid_parse include/linux/hid.h:1051 [inline]
isku_probe+0x68/0x3e0 drivers/hid/hid-roccat-isku.c:327
hid_device_probe+0x2bd/0x3f0 drivers/hid/hid-core.c:2287
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
hid_add_device+0x344/0x9d0 drivers/hid/hid-core.c:2439
usbhid_probe+0xb88/0x1080 drivers/hid/usbhid/hid-core.c:1417
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x23c/0xcd0 drivers/base/dd.c:595
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:894
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:965
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc2f/0x2180 drivers/base/core.c:3352
usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2559
hub_port_connect drivers/usb/core/hub.c:5300 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5440 [inline]
port_event drivers/usb/core/hub.c:5586 [inline]
hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5668
process_one_work+0x98d/0x15b0 kernel/workqueue.c:2276
worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
kthread+0x3c0/0x4a0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: unknown main item tag 0x0
isku 0003:1E7D:3264.0018: hidraw0: USB HID v0.00 Device [HID 1e7d:3264] on usb-dummy_hcd.0-1/input0
isku 0003:1E7D:3264.0018: couldn't init struct isku_device
isku 0003:1E7D:3264.0018: couldn't install keyboard
isku: probe of 0003:1E7D:3264.0018 failed with error -71
usb 1-1: USB disconnect, device number 4
usb 1-1: new high-speed USB device number 5 using dummy_hcd
usb 1-1: config index 0 descriptor too short (expected 9, got 0)
usb 1-1: can't read configurations, error -22
usb 1-1: new high-speed USB device number 6 using dummy_hcd
usb 1-1: config index 0 descriptor too short (expected 9, got 0)
usb 1-1: can't read configurations, error -22
usb usb1-port1: attempt power cycle
usb 1-1: new high-speed USB device number 7 using dummy_hcd
usb 1-1: config index 0 descriptor too short (expected 9, got 0)
usb 1-1: can't read configurations, error -22
usb 1-1: new high-speed USB device number 8 using dummy_hcd
usb 1-1: config index 0 descriptor too short (expected 9, got 0)
usb 1-1: can't read configurations, error -22
usb usb1-port1: unable to enumerate USB device
usb 3-1: USB disconnect, device number 7
usb 3-1: ath9k_htc: USB layer deinitialized
usb 3-1: new high-speed USB device number 8 using dummy_hcd
usb 3-1: too many configurations: 221, using maximum allowed: 8
usb 3-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 3-1: Product: syz
usb 3-1: Manufacturer: syz
usb 3-1: SerialNumber: syz
usb 3-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
usb 5-1: ath9k_htc: Invalid TX pipe: 0
ath9k_htc 5-1:1.0: ath9k_htc: Unable to initialize HTC services
ath9k_htc: Failed to initialize the device