INFO: task hung in usb_register

INFO: task hung in usb_register_dev
Status: upstream: reported on 2020/07/06 15:12
Reported-by: syzbot+e761775e8f4a28711f19@syzkaller.appspotmail.com
First crash: 361d, last: 17h31m

Sample crash report:

INFO: task kworker/0:4:3092 blocked for more than 143 seconds.
      Not tainted 5.8.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:4     D23224  3092      2 0x80004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:3458 [inline]
 __schedule+0x896/0x1fc0 kernel/sched/core.c:4219
 schedule+0xcd/0x2b0 kernel/sched/core.c:4294
 rwsem_down_write_slowpath+0x603/0xc60 kernel/locking/rwsem.c:1235
 __down_write kernel/locking/rwsem.c:1389 [inline]
 down_write+0x13c/0x150 kernel/locking/rwsem.c:1532
 usb_register_dev drivers/usb/core/file.c:187 [inline]
 usb_register_dev+0x19d/0x740 drivers/usb/core/file.c:156
 iowarrior_probe+0xda8/0x1270 drivers/usb/misc/iowarrior.c:868
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:374
 really_probe+0x291/0xc90 drivers/base/dd.c:520
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:696
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:802
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:868
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1c10 drivers/base/core.c:2700
 usb_set_configuration+0xf05/0x18a0 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0xba/0xf2 drivers/usb/core/generic.c:239
 usb_probe_device+0xd9/0x250 drivers/usb/core/driver.c:272
 really_probe+0x291/0xc90 drivers/base/dd.c:520
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:696
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:802
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:868
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1c10 drivers/base/core.c:2700
 usb_new_device.cold+0x71d/0xfd4 drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x2361/0x4390 drivers/usb/core/hub.c:5576
 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x392/0x470 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
INFO: task kworker/0:3:23455 blocked for more than 143 seconds.
      Not tainted 5.8.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:3     D23728 23455      2 0x80004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:3458 [inline]
 __schedule+0x896/0x1fc0 kernel/sched/core.c:4219
 schedule+0xcd/0x2b0 kernel/sched/core.c:4294
 rwsem_down_write_slowpath+0x603/0xc60 kernel/locking/rwsem.c:1235
 __down_write kernel/locking/rwsem.c:1389 [inline]
 down_write+0x13c/0x150 kernel/locking/rwsem.c:1532
 usb_register_dev drivers/usb/core/file.c:187 [inline]
 usb_register_dev+0x19d/0x740 drivers/usb/core/file.c:156
 iowarrior_probe+0xda8/0x1270 drivers/usb/misc/iowarrior.c:868
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:374
 really_probe+0x291/0xc90 drivers/base/dd.c:520
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:696
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:802
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:868
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1c10 drivers/base/core.c:2700
 usb_set_configuration+0xf05/0x18a0 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0xba/0xf2 drivers/usb/core/generic.c:239
 usb_probe_device+0xd9/0x250 drivers/usb/core/driver.c:272
 really_probe+0x291/0xc90 drivers/base/dd.c:520
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:696
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:802
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:868
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1c10 drivers/base/core.c:2700
 usb_new_device.cold+0x71d/0xfd4 drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x2361/0x4390 drivers/usb/core/hub.c:5576
 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x392/0x470 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
INFO: task kworker/1:0:2808 blocked for more than 144 seconds.
      Not tainted 5.8.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:0     D25496  2808      2 0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:3458 [inline]
 __schedule+0x896/0x1fc0 kernel/sched/core.c:4219
 schedule+0xcd/0x2b0 kernel/sched/core.c:4294
 rwsem_down_write_slowpath+0x603/0xc60 kernel/locking/rwsem.c:1235
 __down_write kernel/locking/rwsem.c:1389 [inline]
 down_write+0x13c/0x150 kernel/locking/rwsem.c:1532
 usb_register_dev drivers/usb/core/file.c:187 [inline]
 usb_register_dev+0x19d/0x740 drivers/usb/core/file.c:156
 iowarrior_probe+0xda8/0x1270 drivers/usb/misc/iowarrior.c:868
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:374
 really_probe+0x291/0xc90 drivers/base/dd.c:520
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:696
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:802
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:868
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1c10 drivers/base/core.c:2700
 usb_set_configuration+0xf05/0x18a0 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0xba/0xf2 drivers/usb/core/generic.c:239
 usb_probe_device+0xd9/0x250 drivers/usb/core/driver.c:272
 really_probe+0x291/0xc90 drivers/base/dd.c:520
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:696
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:802
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:868
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1c10 drivers/base/core.c:2700
 usb_new_device.cold+0x71d/0xfd4 drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x2361/0x4390 drivers/usb/core/hub.c:5576
 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2417
 kthread+0x392/0x470 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
INFO: task syz-executor.3:4613 blocked for more than 144 seconds.
      Not tainted 5.8.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3  D28760  4613    359 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3458 [inline]
 __schedule+0x896/0x1fc0 kernel/sched/core.c:4219
 schedule+0xcd/0x2b0 kernel/sched/core.c:4294
 rwsem_down_read_slowpath+0x2f7/0xc90 kernel/locking/rwsem.c:1099
 __down_read kernel/locking/rwsem.c:1341 [inline]
 down_read+0x1f0/0x420 kernel/locking/rwsem.c:1494
 usb_open+0x23/0x270 drivers/usb/core/file.c:39
 chrdev_open+0x266/0x770 fs/char_dev.c:414
 do_dentry_open+0x4ff/0x1170 fs/open.c:828
 do_open fs/namei.c:3243 [inline]
 path_openat+0x192c/0x26b0 fs/namei.c:3360
 do_filp_open+0x17e/0x3c0 fs/namei.c:3387
 do_sys_openat2+0x16f/0x3b0 fs/open.c:1179
 do_sys_open fs/open.c:1195 [inline]
 ksys_open include/linux/syscalls.h:1388 [inline]
 __do_sys_open fs/open.c:1201 [inline]
 __se_sys_open fs/open.c:1199 [inline]
 __x64_sys_open+0x119/0x1c0 fs/open.c:1199
 do_syscall_64+0x50/0x90 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4169f1
Code: Bad RIP value.
RSP: 002b:00007f9f798fb820 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000078bf00 RCX: 00000000004169f1
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007f9f798fb850
RBP: 000000000078bf40 R08: 0000000000000000 R09: 000000000000000f
R10: 0000000000000064 R11: 0000000000000293 R12: 000000000078bf0c
R13: 00007ffe980d82ff R14: 00007f9f798fc9c0 R15: 000000000078bf0c

Showing all locks held in the system:
1 lock held by khungtaskd/23:
 #0: ffffffff87312460 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x264 kernel/locking/lockdep.c:5779
1 lock held by in:imklog/238:
 #0: ffff8881cb4c7270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:826
6 locks held by kworker/0:4/3092:
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
 #1: ffff8881aa9bfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
 #2: ffff8881d443e218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #2: ffff8881d443e218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x4390 drivers/usb/core/hub.c:5522
 #3: ffff8881c7728218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #3: ffff8881c7728218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x430 drivers/base/dd.c:845
 #4: ffff8881cddb01a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #4: ffff8881cddb01a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x430 drivers/base/dd.c:845
 #5: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_register_dev drivers/usb/core/file.c:187 [inline]
 #5: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_register_dev+0x19d/0x740 drivers/usb/core/file.c:156
6 locks held by kworker/1:6/3381:
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
 #1: ffff8881c573fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
 #2: ffff8881d4516218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #2: ffff8881d4516218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x4390 drivers/usb/core/hub.c:5522
 #3: ffff8881ac1d6218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #3: ffff8881ac1d6218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x430 drivers/base/dd.c:845
 #4: ffff8881c4a681a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #4: ffff8881c4a681a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x430 drivers/base/dd.c:845
 #5: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_register_dev drivers/usb/core/file.c:187 [inline]
 #5: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_register_dev+0x19d/0x740 drivers/usb/core/file.c:156
6 locks held by kworker/0:3/23455:
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
 #1: ffff8881ca657da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
 #2: ffff8881d446e218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #2: ffff8881d446e218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x4390 drivers/usb/core/hub.c:5522
 #3: ffff8881ac39c218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #3: ffff8881ac39c218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x430 drivers/base/dd.c:845
 #4: ffff8881aaa6c1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #4: ffff8881aaa6c1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x430 drivers/base/dd.c:845
 #5: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_register_dev drivers/usb/core/file.c:187 [inline]
 #5: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_register_dev+0x19d/0x740 drivers/usb/core/file.c:156
2 locks held by agetty/2241:
 #0: ffff8881d0586098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc90000a222e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x223/0x1a30 drivers/tty/n_tty.c:2156
6 locks held by kworker/1:0/2808:
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff8881d8958138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x82b/0x15f0 kernel/workqueue.c:2240
 #1: ffff8881aa36fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x85f/0x15f0 kernel/workqueue.c:2244
 #2: ffff8881d44ee218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #2: ffff8881d44ee218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x4390 drivers/usb/core/hub.c:5522
 #3: ffff8881cc081218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #3: ffff8881cc081218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x430 drivers/base/dd.c:845
 #4: ffff8881caf501a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:769 [inline]
 #4: ffff8881caf501a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x430 drivers/base/dd.c:845
 #5: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_register_dev drivers/usb/core/file.c:187 [inline]
 #5: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_register_dev+0x19d/0x740 drivers/usb/core/file.c:156
2 locks held by syz-executor.0/4574:
 #0: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_open+0x23/0x270 drivers/usb/core/file.c:39
 #1: ffff8881cfba50d0 (&(sisusb->lock)){+.+.}-{3:3}, at: sisusb_open+0xb2/0x4d0 drivers/usb/misc/sisusbvga/sisusb.c:2396
1 lock held by syz-executor.3/4613:
 #0: ffffffff878ac170 (minor_rwsem){++++}-{3:3}, at: usb_open+0x23/0x270 drivers/usb/core/file.c:39

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 23 Comm: khungtaskd Not tainted 5.8.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xf6/0x16e lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x74/0xb6 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1da/0x1f4 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline]
 watchdog+0xd6a/0xfd0 kernel/hung_task.c:295
 kthread+0x392/0x470 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x72/0x90 drivers/acpi/processor_idle.c:111

Crashes (149):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Maintainers
ci2-upstream-usb	2020/08/06 10:56	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	4ca1c0ea	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/06 02:58	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	0487ea6f	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/05 21:54	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	0487ea6f	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/05 07:31	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	02034dac	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/05 05:29	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	02034dac	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/04 10:33	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	80a06902	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/03 22:22	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	96dd3623	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/03 11:30	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	96dd3623	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/02 20:28	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	96dd3623	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/02 11:08	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	96dd3623	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/02 00:27	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	8df85ed9	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/01 22:04	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	8df85ed9	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/01 18:03	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	8df85ed9	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/01 09:55	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	8df85ed9	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/08/01 05:45	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	8df85ed9	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/31 15:47	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	8df85ed9	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/31 03:30	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	8df85ed9	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/30 19:26	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	e3ee0e74	b0947553	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/29 17:13	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	fa56dd91	19a8de55	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/28 15:08	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	25252919	cb93dc6a	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/26 10:28	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9a360a7c	51265195	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/26 06:22	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9a360a7c	1f7cc1ca	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/25 11:11	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9a360a7c	1f7cc1ca	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/25 07:57	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9a360a7c	0a13649c	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/24 17:16	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9a360a7c	554af388	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/24 12:35	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9a360a7c	554af388	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/23 18:27	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	9a360a7c	70c104a1	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/22 21:07	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	c17536d0	128cd85f	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/17 18:59	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	313da01a	9c812472	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/16 15:35	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	313da01a	b090c643	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/14 03:28	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	25051b55	ce4c95b3	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/11 19:13	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	25051b55	7ba05d2d	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/11 11:07	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	25051b55	7ba05d2d	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/09 09:28	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	768a0741	bc238812	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/09 05:58	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	768a0741	9f9845eb	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/07 13:26	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	768a0741	42723355	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/06 22:15	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	768a0741	ef278c73	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/06 16:11	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	768a0741	ac5a135b	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/07/05 22:27	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	768a0741	22f87567	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/28 23:06	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	b3a5ce87	a2cdad9d	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/27 09:16	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	fb574682	032b4239	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/23 23:41	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	f8f02d5c	6930bbef	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/23 21:43	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	f8f02d5c	6930bbef	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/19 18:06	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	f8f02d5c	123cf502	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/19 13:01	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	81c74628	bc258b50	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/17 05:05	https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing	b3a9e3b9	b9f3810b	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/13 09:59	https://github.com/google/kasan.git usb-fuzzer	b791d1bd	f4724dd3	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/12 04:51	https://github.com/google/kasan.git usb-fuzzer	2089c6ed	819b58b0	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/10 13:05	https://github.com/google/kasan.git usb-fuzzer	2089c6ed	5caaad3a	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2020/06/10 11:50	https://github.com/google/kasan.git usb-fuzzer	2089c6ed	860c4de9	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu
ci2-upstream-usb	2019/08/11 10:21	https://github.com/google/kasan.git usb-fuzzer	e96407b4	acb51638	.config	log	report	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org