INFO: task kworker/u8:0:11 blocked for more than 143 seconds.
Not tainted 6.9.0-rc5-next-20240426-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:0 state:D stack:18224 pid:11 tgid:11 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
devl_lock net/devlink/core.c:276 [inline]
devl_dev_lock net/devlink/devl_internal.h:109 [inline]
devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
ops_pre_exit_list net/core/net_namespace.c:160 [inline]
cleanup_net+0x615/0xcc0 net/core/net_namespace.c:617
process_one_work kernel/workqueue.c:3222 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3303
worker_thread+0x86d/0xd70 kernel/workqueue.c:3384
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Showing all locks held in the system:
7 locks held by kworker/0:1/9:
5 locks held by kworker/u8:0/11:
#0: ffff888015ed5948
(
(wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3197 [inline]
(wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3303
#1:
ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3198 [inline]
ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3303
#2:
ffffffff8f5d11d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:591
#3: ffff88802c4310e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff88802c4310e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff88802c4310e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4: ffff88802c430250 (&devlink->lock_key#30){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff88802c430250 (&devlink->lock_key#30){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff88802c430250 (&devlink->lock_key#30){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
3 locks held by kworker/1:0/25:
#0: ffff888015080948 ((wq_completion)events
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3197 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3303
#1:
ffffc900001f7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3198 [inline]
ffffc900001f7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3303
#2: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
1 lock held by khungtaskd/30:
#0:
ffffffff8e333ba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
ffffffff8e333ba0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
ffffffff8e333ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/u8:5/73:
5 locks held by kworker/0:2/784:
3 locks held by kworker/u8:9/2804:
#0: ffff888029f43948 (
(wq_completion)ipv6_addrconf){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3197 [inline]
, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3303
#1: ffffc9000a1efd00
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3198 [inline]
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3303
#2:
ffffffff8f5dd948
(rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733
2 locks held by getty/4861:
#0: ffff88802aa630a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
3 locks held by kworker/u9:5/5126:
#0: ffff88807bb0b948
(
(wq_completion)hci6
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3197 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3303
#1: ffffc900037ffd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3198 [inline]
#1: ffffc900037ffd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3303
#2: ffff88801c6c9060 (&hdev->req_lock){+.+.}-{3:3}
, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309
3 locks held by kworker/0:4/5167:
#0:
ffff888015081948
(
(wq_completion)events_power_efficient
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3197 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3303
#1: ffffc9000416fd00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3198 [inline]
#1: ffffc9000416fd00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3303
#2: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x91/0xea0 net/wireless/reg.c:2478
3 locks held by kworker/0:5/5171:
2 locks held by syz-executor.2/10488:
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500
#1: ffffffff8e1ce1d0 (cpu_hotplug_lock){++++}-{0:0}, at: flush_all_backlogs net/core/dev.c:5970 [inline]
#1: ffffffff8e1ce1d0 (cpu_hotplug_lock){++++}-{0:0}, at: unregister_netdevice_many_notify+0x607/0x16e0 net/core/dev.c:11187
1 lock held by syz-executor.4/10532:
#0:
ffffffff8f5dd948 (
rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500
5 locks held by syz-executor.1/10578:
#0: ffff88807e326420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
#0: ffff88807e326420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1: ffff88802499c088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffff888022050a58 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3: ffffffff8eef0c68 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
#4:
ffff88802c4310e8
(&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:990 [inline]
, at: device_del+0xa6/0x9b0 drivers/base/core.c:3863
4 locks held by syz-executor.2/10601:
#0: ffff88807e326420
(
sb_writers#8
){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1: ffff8880492b4c88
(&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2:
ffff888022050a58
(kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3: ffffffff8eef0c68
(
nsim_bus_dev_list_lock){+.+.}-{3:3}
, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
4 locks held by syz-executor.4/10626:
#0: ffff88807e326420
(sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
(sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1:
ffff88802d25a488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffff888022050a58 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3: ffffffff8eef0c68 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
4 locks held by syz-executor.0/10635:
#0: ffff88807e326420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
#0: ffff88807e326420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1: ffff88802f3cc888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffff888022050a58 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3: ffffffff8eef0c68 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
4 locks held by syz-executor.1/10644:
#0: ffff88807e326420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2853 [inline]
#0: ffff88807e326420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1: ffff888016686c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffff888022050a58 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3:
ffffffff8eef0c68
(nsim_bus_dev_list_lock
){+.+.}-{3:3}
, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
1 lock held by syz-executor.3/10653:
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6591
4 locks held by kworker/u9:0/10655:
#0: ffff88804e8ec148 ((wq_completion)hci11#2){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3197 [inline]
, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3303
#1: ffffc90004987d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3198 [inline]
#1: ffffc90004987d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3303
#2: ffff88806c62c078 (&hdev->lock){+.+.}-{3:3}, at: hci_remote_features_evt+0x9d/0xa70 net/bluetooth/hci_event.c:3742
#3: ffffffff8f747108 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2021 [inline]
#3: ffffffff8f747108 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_remote_features_evt+0x60f/0xa70 net/bluetooth/hci_event.c:3776
1 lock held by syz-executor.2/10657:
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6591
1 lock held by syz-executor.4/10660:
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6591
1 lock held by syz-executor.0/10663:
#0: ffffffff8f5dd948 (
rtnl_mutex
){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6591
1 lock held by syz-executor.1/10666:
#0:
ffffffff8f5dd948
(rtnl_mutex
){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6591
1 lock held by syz-executor.3/10669:
#0: ffffffff8f5dd948
(
rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6591
1 lock held by syz-executor.2/10673:
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5dd948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6591
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-rc5-next-20240426-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
usb 2-1: RX USB error -71.
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.9.0-rc5-next-20240426-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events kfree_rcu_work
RIP: 0010:io_serial_in+0x76/0xb0 drivers/tty/serial/8250/8250_port.c:406
Code: 50 29 58 fc 89 e9 41 d3 e6 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 c1 dd bd fc 44 03 33 44 89 f2 ec <0f> b6 c0 5b 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c
RSP: 0018:ffffc90000006658 EFLAGS: 00000002
RAX: 1ffffffff2957700 RBX: ffffffff94abbd20 RCX: 0000000000000000
RDX: 00000000000003fd RSI: 000000000000ebe8 RDI: 000000000000ebe9
RBP: 0000000000000000 R08: ffffffff853e2bd6 R09: 1ffff11003ee0046
R10: dffffc0000000000 R11: ffffffff853e2b90 R12: dffffc0000000000
R13: 0000000000002703 R14: 00000000000003fd R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0014ca000 CR3: 000000001120e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_in drivers/tty/serial/8250/8250.h:117 [inline]
serial_lsr_in drivers/tty/serial/8250/8250.h:139 [inline]
wait_for_lsr drivers/tty/serial/8250/8250_port.c:2068 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline]
serial8250_console_write+0x1099/0x1770 drivers/tty/serial/8250/8250_port.c:3393
console_emit_next_record kernel/printk/printk.c:2928 [inline]
console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2994
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063
vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345
dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4942
dev_printk_emit+0xdd/0x120 drivers/base/core.c:4953
_dev_err+0x122/0x170 drivers/base/core.c:5008
ar5523_cmd_rx_cb+0x467/0xa30 drivers/net/wireless/ath/ar5523/ar5523.c:102
__usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648
dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__unwind_start+0x487/0x7c0 arch/x86/kernel/unwind_orc.c:729
Code: 80 3c 2f 00 74 08 4c 89 ef e8 35 f6 ba 00 49 8b 76 28 4d 8d 66 20 48 89 df 4c 89 f2 4c 89 e1 e8 7f 30 f2 ff 89 c3 31 ff 89 c6 c4 45 55 00 85 db 0f 84 87 00 00 00 48 8b 44 24 18 80 3c 28 00
RSP: 0018:ffffc90000007698 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000080000101 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81334517 R09: 0000000000000000
R10: ffffc90000007700 R11: fffff52000000eec R12: ffffc90000007720
R13: ffffc90000007728 R14: ffffc90000007700 R15: 1ffff92000000ee5
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2190 [inline]
slab_free mm/slub.c:4430 [inline]
kmem_cache_free+0x145/0x340 mm/slub.c:4505
mac80211_hwsim_beacon_tx+0x3be/0x7e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2306
__iterate_interfaces+0x223/0x4c0 net/mac80211/util.c:772
ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808
mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2332
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1751
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1768
__do_softirq+0x2c6/0x980 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70 kernel/kcov.c:207
Code: 5b e9 f3 36 5a 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 00 d5 03 00 <65> 8b 15 c0 7f 6d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74
RSP: 0018:ffffc900000e74c0 EFLAGS: 00000202
RAX: ffffffff8140e4ae RBX: ffffffff8fbf6e58 RCX: ffff888016ec0000
RDX: ffff888016ec0000 RSI: ffffffff817e8ada RDI: ffffffff817e89b6
RBP: ffffffff817e89b6 R08: ffffffff8140e470 R09: ffffc900000e7690
R10: 0000000000000003 R11: ffffffff818224e0 R12: ffffffff8fbf6e58
R13: ffffffff8fbf6e5c R14: ffffffff817e8ada R15: ffffffff8fbf6e58
__orc_find arch/x86/kernel/unwind_orc.c:99 [inline]
orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
unwind_next_frame+0x54e/0x2a00 arch/x86/kernel/unwind_orc.c:494
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2190 [inline]
slab_free_freelist_hook mm/slub.c:2219 [inline]
slab_free_bulk mm/slub.c:4454 [inline]
kmem_cache_free_bulk+0x1f8/0x360 mm/slub.c:4668
kfree_bulk include/linux/slab.h:568 [inline]
kvfree_rcu_bulk+0x24b/0x4e0 kernel/rcu/tree.c:3402
kfree_rcu_work+0x44b/0x500 kernel/rcu/tree.c:3481
process_one_work kernel/workqueue.c:3222 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3303
worker_thread+0x86d/0xd70 kernel/workqueue.c:3384
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.
usb 2-1: RX USB error -71.