wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
Bluetooth: hci17: command 0x0419 tx timeout
INFO: task kworker/1:2:4388 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:2 D26208 4388 2 0x80000000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697
usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692
usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63
usb_internal_control_msg drivers/usb/core/message.c:101 [inline]
usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152
hub_port_init+0x12dc/0x3120 drivers/usb/core/hub.c:4704
hub_port_connect drivers/usb/core/hub.c:5070 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5253 [inline]
port_event drivers/usb/core/hub.c:5361 [inline]
hub_event+0x1ccd/0x44a0 drivers/usb/core/hub.c:5441
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
INFO: task syz-executor.1:5850 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D28320 5850 8130 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f24c422e40b
Code: Bad RIP value.
RSP: 002b:00007ffe9a9eab50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f24c422e40b
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007f24c439e980 R08: 0000000000000000 R09: 00000123010c8195
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000114b09
R13: 00007ffe9a9eac50 R14: 00007f24c439d1f0 R15: 0000000000000032
INFO: task syz-executor.0:5851 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D28648 5851 8107 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f2ef690240b
Code: Bad RIP value.
RSP: 002b:00007ffcb55940b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f2ef690240b
RDX: 00007f2ef64c7ed8 RSI: ffffffffffffffff RDI: 0000000000000005
RBP: 00007f2ef6a72980 R08: 0000000000000000 R09: 00007f2ef64c5000
R10: 00007f2ef64c7ee0 R11: 0000000000000293 R12: 000000000011487f
R13: 00007ffcb55941b0 R14: 00007f2ef6a70f80 R15: 0000000000000032
INFO: task syz-executor.3:5888 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D28416 5888 8140 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_do_ioctl+0x193/0x3030 drivers/usb/core/devio.c:2393
usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2585
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f3f09d93639
Code: Bad RIP value.
RSP: 002b:00007f3f08306168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3f09eb3f80 RCX: 00007f3f09d93639
RDX: 0000000020000040 RSI: 0000000080045505 RDI: 0000000000000005
RBP: 00007f3f09dee7e1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff5e27469f R14: 00007f3f08306300 R15: 0000000000022000
INFO: task syz-executor.3:5896 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D28168 5896 8140 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f3f09d456e4
Code: Bad RIP value.
RSP: 002b:00007f3f082e4ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f3f09d456e4
RDX: 0000000000000001 RSI: 00007f3f082e4d40 RDI: 00000000ffffff9c
RBP: 00007f3f082e4d40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007fff5e27469f R14: 00007f3f082e5300 R15: 0000000000022000
INFO: task syz-executor.4:5886 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28368 5886 8122 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fbc7c4006e4
Code: Bad RIP value.
RSP: 002b:00007fbc7a9c0ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007fbc7c4006e4
RDX: 0000000000000001 RSI: 00007fbc7a9c0d40 RDI: 00000000ffffff9c
RBP: 00007fbc7a9c0d40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffcea3b30af R14: 00007fbc7a9c1300 R15: 0000000000022000
INFO: task syz-executor.4:5897 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28168 5897 8122 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fbc7c4006e4
Code: Bad RIP value.
RSP: 002b:00007fbc7a99fca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007fbc7c4006e4
RDX: 0000000000000001 RSI: 00007fbc7a99fd40 RDI: 00000000ffffff9c
RBP: 00007fbc7a99fd40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffcea3b30af R14: 00007fbc7a9a0300 R15: 0000000000022000
INFO: task syz-executor.2:5895 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D27384 5895 8127 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb16dfda6e4
Code: Bad RIP value.
RSP: 002b:00007fb16c59aca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007fb16dfda6e4
RDX: 0000000000000001 RSI: 00007fb16c59ad40 RDI: 00000000ffffff9c
RBP: 00007fb16c59ad40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffddd936c2f R14: 00007fb16c59b300 R15: 0000000000022000
INFO: task syz-executor.2:5903 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D28168 5903 8127 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb16dfda6e4
Code: Bad RIP value.
RSP: 002b:00007fb16c579ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007fb16dfda6e4
RDX: 0000000000000001 RSI: 00007fb16c579d40 RDI: 00000000ffffff9c
RBP: 00007fb16c579d40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffddd936c2f R14: 00007fb16c57a300 R15: 0000000000022000
INFO: task syz-executor.5:5892 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28208 5892 11381 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
device_lock include/linux/device.h:1174 [inline]
usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f1b12ab86e4
Code: Bad RIP value.
RSP: 002b:00007f1b11057ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007f1b12ab86e4
RDX: 0000000000000001 RSI: 00007f1b11057d40 RDI: 00000000ffffff9c
RBP: 00007f1b11057d40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffe201f38af R14: 00007f1b11058300 R15: 0000000000022000
Showing all locks held in the system:
3 locks held by kworker/u4:0/7:
1 lock held by khungtaskd/1571:
#0: 000000002d162a99 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
5 locks held by kworker/1:2/4388:
#0: 00000000dbe8602a ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000251ac546 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#2: 000000001a2004d0 (&dev->mutex){....}, at: hub_event+0x11e/0x44a0 drivers/usb/core/hub.c:5387
#3: 00000000c76c908f (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2983 [inline]
#3: 00000000c76c908f (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5069 [inline]
#3: 00000000c76c908f (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5253 [inline]
#3: 00000000c76c908f (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5361 [inline]
#3: 00000000c76c908f (&port_dev->status_lock){+.+.}, at: hub_event+0x1cb8/0x44a0 drivers/usb/core/hub.c:5441
#4: 00000000a653adf7 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x3120 drivers/usb/core/hub.c:4578
1 lock held by in:imklog/7852:
#0: 0000000023f686a8 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
1 lock held by syz-executor.4/13475:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.4/13506:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.4/13566:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.3/15292:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.3/15471:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.0/26548:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.4/28207:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.4/28280:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.4/1161:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.4/1209:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.1/5850:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.0/5851:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_release+0x83/0x420 drivers/usb/core/devio.c:1049
1 lock held by syz-executor.3/5888:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_do_ioctl+0x193/0x3030 drivers/usb/core/devio.c:2393
1 lock held by syz-executor.3/5896:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.4/5886:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.4/5897:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.2/5895:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.2/5903:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.5/5892:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.5/5901:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.1/7341:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.1/7342:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.4/7465:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.4/7472:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.5/7491:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.5/7504:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.2/7542:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.2/7548:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.3/7567:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.3/7572:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.0/7570:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.0/7571:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.4/8609:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.4/8639:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.5/9026:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.5/9040:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.0/9075:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.0/9086:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.0/9102:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.3/9093:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.3/9126:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.2/9103:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.2/9147:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.1/9217:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
1 lock held by syz-executor.1/9220:
#0: 000000001a2004d0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline]
#0: 000000001a2004d0 (&dev->mutex){....}, at: usbdev_open+0x152/0x7f0 drivers/usb/core/devio.c:1007
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0x495/0x3ff0 kernel/locking/lockdep.c:3361
Code: 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 ec 26 00 00 41 83 bd 74 08 00 00 01 49 8d 7a 24 48 89 fa 83 d8 ff c1 e3 0f c1 e0 0d <c1> e5 10 0f b7 db 09 d8 81 e5 00 00 03 00 41 c1 e4 13 09 c5 44 89
RSP: 0018:ffff8880b5a47a68 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880b5a36abc RSI: 1ffff11016b46d52 RDI: ffff8880b5a36abc
RBP: 0000000000000002 R08: 000000000000002e R09: 0000000000000002
R10: ffff8880b5a36a98 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b5a361c0 R14: ffff8880b5a36ab0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3700029de0 CR3: 00000000a4769000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline]
batadv_nc_worker+0x12d/0xd50 net/batman-adv/network-coding.c:730
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415