INFO: task syz-executor.0:10726 blocked for more than 143 seconds.
Not tainted 6.1.0-rc5-syzkaller-00307-gfe24a97cf254 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28760 pid:10726 ppid:3687 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xde/0x1b0 kernel/sched/core.c:6579
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6638
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
device_lock include/linux/device.h:835 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2599 [inline]
usbdev_ioctl+0x1b3/0x3760 drivers/usb/core/devio.c:2807
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f27f508b639
RSP: 002b:00007f27f5e6c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f27f51ac050 RCX: 00007f27f508b639
RDX: 0000000020000000 RSI: 00000000802c550a RDI: 0000000000000003
RBP: 00007f27f50e6ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f27f52cfb1f R14: 00007f27f5e6c300 R15: 0000000000022000
INFO: task syz-executor.0:10727 blocked for more than 143 seconds.
Not tainted 6.1.0-rc5-syzkaller-00307-gfe24a97cf254 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29520 pid:10727 ppid:3687 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xde/0x1b0 kernel/sched/core.c:6579
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6638
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
device_lock include/linux/device.h:835 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2599 [inline]
usbdev_ioctl+0x1b3/0x3760 drivers/usb/core/devio.c:2807
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f27f508b639
RSP: 002b:00007f27f5e4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f27f51ac120 RCX: 00007f27f508b639
RDX: 0000000020000f00 RSI: 000000004008550d RDI: 0000000000000003
RBP: 00007f27f50e6ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f27f52cfb1f R14: 00007f27f5e4b300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c58f0f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c58edf0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8c58fc40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/3316:
#0: ffff888026cf0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
5 locks held by kworker/1:4/3722:
#0: ffff888017e80138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888017e80138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888017e80138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888017e80138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888017e80138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888017e80138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90004e3fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#2: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c0/0x45d0 drivers/usb/core/hub.c:5681
#3: ffff888147e7b4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3103 [inline]
#3: ffff888147e7b4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5249 [inline]
#3: ffff888147e7b4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
#3: ffff888147e7b4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5653 [inline]
#3: ffff888147e7b4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x20fd/0x45d0 drivers/usb/core/hub.c:5735
#4: ffff888022f3b568 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5250 [inline]
#4: ffff888022f3b568 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
#4: ffff888022f3b568 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5653 [inline]
#4: ffff888022f3b568 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x2124/0x45d0 drivers/usb/core/hub.c:5735
2 locks held by kworker/u4:37/4247:
#0: ffff8880b9a3b158 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:545 [inline]
#0: ffff8880b9a3b158 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x90/0x120 kernel/sched/core.c:530
#1: ffff8880b9b28808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x216/0x930 kernel/sched/psi.c:897
3 locks held by kworker/1:9/10102:
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc900067b7da8 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88807c7ca240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1d5/0x24a0 drivers/net/netdevsim/fib.c:1489
1 lock held by syz-executor.0/10726:
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: usbdev_do_ioctl drivers/usb/core/devio.c:2599 [inline]
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: usbdev_ioctl+0x1b3/0x3760 drivers/usb/core/devio.c:2807
1 lock held by syz-executor.0/10727:
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: usbdev_do_ioctl drivers/usb/core/devio.c:2599 [inline]
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: usbdev_ioctl+0x1b3/0x3760 drivers/usb/core/devio.c:2807
1 lock held by syz-executor.0/12188:
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x1a1/0x920 drivers/usb/core/devio.c:1042
1 lock held by syz-executor.5/12234:
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#0: ffff88802301f190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x1a1/0x920 drivers/usb/core/devio.c:1042
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc5-syzkaller-00307-gfe24a97cf254 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.1.0-rc5-syzkaller-00307-gfe24a97cf254 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:60 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x56/0x190 mm/kasan/generic.c:189
Code: 39 c7 0f 86 05 01 00 00 49 83 e9 01 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 49 01 c2 <48> 89 e8 49 8d 5a 01 48 89 da 48 29 ea 48 83 fa 10 7e 63 41 89 eb
RSP: 0018:ffffc90000a1f9e0 EFLAGS: 00000082
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffffff81630709
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e534ed0
RBP: fffffbfff1ca69da R08: 0000000000000000 R09: ffffffff8e534ed7
R10: fffffbfff1ca69da R11: 000000004991c6da R12: ffff8880b9b37fe8
R13: 0000000000000001 R14: 0000000000000001 R15: ffff88807e796022
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563c28ca00c0 CR3: 000000000c28e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:444 [inline]
cpu_online include/linux/cpumask.h:1030 [inline]
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0xd9/0x810 kernel/locking/lockdep.c:5679
local_lock_release include/linux/local_lock_internal.h:38 [inline]
crng_make_state+0x329/0x7a0 drivers/char/random.c:350
_get_random_bytes.part.0+0x95/0x1a0 drivers/char/random.c:363
_get_random_bytes drivers/char/random.c:359 [inline]
get_random_bytes+0x31/0x40 drivers/char/random.c:395
nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:778 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:808 [inline]
nsim_dev_trap_report_work+0x74d/0xc80 drivers/net/netdevsim/dev.c:853
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306