INFO: task syz-fuzzer:5089 blocked for more than 143 seconds.
Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-fuzzer state:D stack:27216 pid:5089 tgid:5073 ppid:5071 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6837
jbd2_log_wait_commit+0x2ef/0x460 fs/jbd2/journal.c:697
ext4_sync_fs+0x694/0x860 fs/ext4/super.c:6316
sync_filesystem+0x1cc/0x290 fs/sync.c:66
ovl_sync_fs+0x142/0x1d0 fs/overlayfs/super.c:232
sync_filesystem+0x1cc/0x290 fs/sync.c:66
generic_shutdown_super+0x7e/0x3d0 fs/super.c:621
kill_anon_super+0x3a/0x60 fs/super.c:1226
deactivate_locked_super+0xbe/0x1a0 fs/super.c:473
deactivate_super+0xde/0x100 fs/super.c:506
cleanup_mnt+0x222/0x450 fs/namespace.c:1267
task_work_run+0x14e/0x250 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x40720e
RSP: 002b:000000c0007d79b0 EFLAGS: 00000216
ORIG_RAX: 0000000000000107
RAX: 0000000000000000 RBX: ffffffffffffff9c RCX: 000000000040720e
RDX: 0000000000000200 RSI: 000000c00167c440 RDI: ffffffffffffff9c
RBP: 000000c0007d79f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000
R13: 000000c000dc8800 R14: 000000c000163a00 R15: 0000000000000011
</TASK>
INFO: task syz-executor.3:5684 blocked for more than 144 seconds.
Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D
stack:23984 pid:5684 tgid:5684 ppid:1 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0xf15/0x5d00 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0xe7/0x350 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+0x5b8/0x9c0 kernel/locking/mutex.c:752
del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
bus_attr_store+0x76/0xa0 drivers/base/bus.c:170
sysfs_kf_write+0x117/0x170 fs/sysfs/file.c:136
kernfs_fop_write_iter+0x343/0x500 fs/kernfs/file.c:334
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0x6b6/0x1140 fs/read_write.c:590
ksys_write+0x12f/0x260 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9767bc2f
RSP: 002b:00007fff018b37d0 EFLAGS: 00000293
ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5a9767bc2f
RDX: 0000000000000001 RSI: 00007fff018b3820 RDI: 0000000000000005
RBP: 00007f5a976c9043 R08: 0000000000000000 R09: 00007fff018b3627
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007fff018b3820 R14: 00007f5a982e4620 R15: 0000000000000003
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8dbb18e0
(
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
3 locks held by kworker/1:1/45:
3 locks held by kworker/1:2/783:
5 locks held by kworker/u8:6/1089:
4 locks held by kworker/u8:7/1098:
#0:
ffff8880162d3148
((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206
#1:
ffffc900045c7d80
(
net_cleanup_work){+.+.}-{0:0}
, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207
#2:
ffffffff8f736110
(pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbb/0xbf0 net/core/net_namespace.c:594
#3:
ffffffff8f74b3a8
(rtnl_mutex){+.+.}-{3:3}, at: ieee80211_unregister_hw+0x4d/0x3a0 net/mac80211/main.c:1645
3 locks held by kworker/0:2/1149:
#0: ffff888015481948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206
#1: ffffc90004817d80 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207
#2:
ffffffff8f74b3a8
(rtnl_mutex
){+.+.}-{3:3}
, at: reg_check_chans_work+0x7d/0x10e0 net/wireless/reg.c:2478
3 locks held by kworker/u8:8/2432:
#0:
ffff88802a4ab948
(
(wq_completion)ipv6_addrconf){+.+.}-{0:0}
, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206
#1: ffffc900095e7d80
((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207
#2: ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xcf/0x1500 net/ipv6/addrconf.c:4193
2 locks held by getty/4842:
#0: ffff88802ad0e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
2 locks held by syz-fuzzer/5089:
#0: ffff8880792c40e0 (&type->s_umount_key#102){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880792c40e0 (&type->s_umount_key#102){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880792c40e0 (&type->s_umount_key#102){+.+.}-{3:3}, at: deactivate_super+0xd6/0x100 fs/super.c:505
#1:
ffff88802fafa0e0
(
&type->s_umount_key
#52){++++}-{3:3}, at: ovl_sync_fs+0x13a/0x1d0 fs/overlayfs/super.c:231
1 lock held by syz-executor.1/5101:
#0:
ffffffff8f74b3a8
(
rtnl_mutex
){+.+.}-{3:3}
, at: tun_detach drivers/net/tun.c:698 [inline]
, at: tun_chr_close+0x3e/0x250 drivers/net/tun.c:3500
3 locks held by kworker/0:3/5103:
#0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12bf/0x1b60 kernel/workqueue.c:3206
#1: ffffc90003517d80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x957/0x1b60 kernel/workqueue.c:3207
#2:
ffffffff8f74b3a8
(
rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
6 locks held by kworker/1:6/5189:
4 locks held by syz-executor.3/5684:
#0:
ffff88801e50a420 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x12f/0x260 fs/read_write.c:643
#1:
ffff888017f16888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x281/0x500 fs/kernfs/file.c:325
#2: ffff8880231a3008 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2a4/0x500 fs/kernfs/file.c:326
#3: ffffffff8ed86cc8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
7 locks held by syz-executor.2/5704:
#0:
ffff88801e50a420
(
sb_writers
#9){.+.+}-{0:0}
, at: ksys_write+0x12f/0x260 fs/read_write.c:643
#1:
ffff88805f61e088
(&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x281/0x500 fs/kernfs/file.c:325
#2: ffff888023183f08 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2a4/0x500 fs/kernfs/file.c:326
#3:
ffffffff8ed86cc8 (
nsim_bus_dev_list_lock
){+.+.}-{3:3}
, at: new_device_store+0x187/0x730 drivers/net/netdevsim/bus.c:166
#4: ffff888021d710e8
(
&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1003
#5:
ffff888021d70250
(
&devlink->lock_key#6
){+.+.}-{3:3}
, at: nsim_drv_probe+0xd5/0x1490 drivers/net/netdevsim/dev.c:1534
#6: ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}, at: fib_seq_sum+0x30/0x2f0 net/core/fib_notifier.c:46
4 locks held by syz-executor.4/5770:
#0: ffff88801e50a420
(sb_writers#9
){.+.+}-{0:0}
, at: ksys_write+0x12f/0x260 fs/read_write.c:643
#1:
ffff888024850088
(
&of->mutex
){+.+.}-{3:3}
, at: kernfs_fop_write_iter+0x281/0x500 fs/kernfs/file.c:325
#2: ffff8880231a3008
(
kn->active#50
){.+.+}-{0:0}
, at: kernfs_fop_write_iter+0x2a4/0x500 fs/kernfs/file.c:326
#3: ffffffff8ed86cc8
(
nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
5 locks held by syz-executor.0/5877:
1 lock held by syz-executor.0/5880:
#0:
ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
4 locks held by syz-executor.3/5883:
#0: ffff88801e50a420
(sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x12f/0x260 fs/read_write.c:643
#1: ffff88807960f888
(
&of->mutex){+.+.}-{3:3}
, at: kernfs_fop_write_iter+0x281/0x500 fs/kernfs/file.c:325
#2:
ffff8880231a3008 (
kn->active
#50){.+.+}-{0:0}
, at: kernfs_fop_write_iter+0x2a4/0x500 fs/kernfs/file.c:326
#3: ffffffff8ed86cc8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
1 lock held by syz-executor.2/5892:
#0: ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
1 lock held by syz-executor.4/5895:
#0:
ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
4 locks held by syz-executor.0/5898:
#0: ffff88801e50a420 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x12f/0x260 fs/read_write.c:643
#1: ffff88805f548488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x281/0x500 fs/kernfs/file.c:325
#2:
ffff8880231a3008
(
kn->active
#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2a4/0x500 fs/kernfs/file.c:326
#3:
ffffffff8ed86cc8
(nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
4 locks held by syz-executor.3/5907:
#0: ffff88801e50a420
(
sb_writers#9
){.+.+}-{0:0}
, at: ksys_write+0x12f/0x260 fs/read_write.c:643
#1: ffff88801f045088
(&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x281/0x500 fs/kernfs/file.c:325
#2:
ffff8880231a3008 (
kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2a4/0x500 fs/kernfs/file.c:326
#3:
ffffffff8ed86cc8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd2/0x4b0 drivers/net/netdevsim/bus.c:216
1 lock held by syz-executor.2/5916:
#0: ffffffff8f74b3a8
(
rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
1 lock held by syz-executor.4/5919:
#0:
ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
ffffffff8f74b3a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe60 net/core/rtnetlink.c:6592
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xf86/0x1240 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Sending NMI from CPU 0 to CPUs 1:
yealink 1-1:36.0: urb_ctl_callback - urb status -71
NMI backtrace for cpu 1
CPU: 1 PID: 5877 Comm: syz-executor.0 Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:io_serial_in+0x87/0xb0 drivers/tty/serial/8250/8250_port.c:407
Code: 27 90 fc 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1a 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 cc cc cc cc e8 b8 f9 eb fc eb a2 e8 41 fa
RSP: 0000:ffffc90000a178a8 EFLAGS: 00000006
RAX: dffffc0000000005 RBX: 00000000000003f9 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: ffffffff84fdad20 RDI: ffffffff94ddd460
RBP: ffffffff94ddd420 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000000
R13: ffffffff94ddd420 R14: ffffffff94ddd470 R15: 0000000000000020
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0353259360 CR3: 000000000d97a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<IRQ>
serial_port_in include/linux/serial_core.h:674 [inline]
serial8250_console_write+0x17d/0x1090 drivers/tty/serial/8250/8250_port.c:3357
console_emit_next_record kernel/printk/printk.c:2928 [inline]
console_flush_all+0x53c/0xd70 kernel/printk/printk.c:2994
console_unlock+0xae/0x290 kernel/printk/printk.c:3063
vprintk_emit kernel/printk/printk.c:2345 [inline]
vprintk_emit+0x11a/0x5a0 kernel/printk/printk.c:2300
dev_vprintk_emit drivers/base/core.c:4951 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4962
__dev_printk+0xf5/0x270 drivers/base/core.c:4974
_dev_err+0xe5/0x120 drivers/base/core.c:5017
urb_ctl_callback+0x1eb/0x2f0 drivers/input/misc/yealink.c:454
__usb_hcd_giveback_urb+0x364/0x5c0 drivers/usb/core/hcd.c:1648
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1732
dummy_timer+0x17f6/0x3900 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:write_comp_data+0x0/0x90 kernel/kcov.c:230
Code: 48 8b 05 33 0b 76 7e 48 8b 80 10 16 00 00 c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <49> 89 d2 49 89 f8 49 89 f1 65 48 8b 15 ff 0a 76 7e 65 8b 05 00 0b
RSP: 0000:ffffc90000a183a0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90000a183d0 RCX: ffffffff813cc00c
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: ffffc90000a183d0
R13: ffffffff81797480 R14: ffffc90000a18490 R15: ffff888026b41e00
unwind_get_return_address+0x3c/0xe0 arch/x86/kernel/unwind_orc.c:366
arch_stack_walk+0xc1/0x170 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
__kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2195 [inline]
slab_free mm/slub.c:4436 [inline]
kmem_cache_free+0x12f/0x3a0 mm/slub.c:4511
skb_kfree_head net/core/skbuff.c:1067 [inline]
skb_kfree_head net/core/skbuff.c:1064 [inline]
skb_free_head+0x18a/0x1d0 net/core/skbuff.c:1081
skb_release_data+0x75c/0x980 net/core/skbuff.c:1108
skb_release_all net/core/skbuff.c:1173 [inline]
__kfree_skb net/core/skbuff.c:1187 [inline]
kfree_skb_reason+0x12b/0x210 net/core/skbuff.c:1223
kfree_skb include/linux/skbuff.h:1257 [inline]
tipc_udp_xmit+0x8e8/0xb70 net/tipc/udp_media.c:227
tipc_udp_send_msg+0x292/0x4a0 net/tipc/udp_media.c:268
tipc_bearer_xmit_skb+0x1be/0x430 net/tipc/bearer.c:571
tipc_disc_timeout+0x5b3/0x850 net/tipc/discover.c:338
call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1843 [inline]
__run_timers+0x74b/0xaf0 kernel/time/timer.c:2417
__run_timer_base kernel/time/timer.c:2428 [inline]
__run_timer_base kernel/time/timer.c:2421 [inline]
run_timer_base+0x111/0x190 kernel/time/timer.c:2437
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2447
handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_cmp8+0x8/0x20 kernel/kcov.c:283
Code: 00 00 00 e9 ea fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <48> 89 f2 48 89 fe bf 06 00 00 00 e9 b8 fe ff ff 0f 1f 84 00 00 00
RSP: 0000:ffffc900033a7558 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffffc900033a75e0 RCX: ffffffff813cc87e
RDX: ffff888026b41e00 RSI: ffffffff81000000 RDI: ffffffff81e97346
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: ffffffff81e97346 R11: 0000000000000001 R12: ffffffff81e97346
R13: 0000000000000000 R14: ffffc900033a76a0 R15: ffffc900033a7615
orc_find arch/x86/kernel/unwind_orc.c:206 [inline]
unwind_next_frame+0x1de/0x23a0 arch/x86/kernel/unwind_orc.c:494
arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
__kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2195 [inline]
slab_free mm/slub.c:4436 [inline]
kmem_cache_free+0x12f/0x3a0 mm/slub.c:4511
remove_vma+0x12b/0x180 mm/mmap.c:146
exit_mmap+0x4d4/0xb20 mm/mmap.c:3365
__mmput+0x12a/0x4d0 kernel/fork.c:1346
mmput+0x62/0x70 kernel/fork.c:1368
exit_mm kernel/exit.c:565 [inline]
do_exit+0x9b7/0x2ba0 kernel/exit.c:861
do_group_exit+0xd3/0x2a0 kernel/exit.c:1023
get_signal+0x2616/0x2710 kernel/signal.c:2909
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x14a/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f99d127cee9
Code: Unable to access opcode bytes at 0x7f99d127cebf.
RSP: 002b:00007ffe0ef8a5a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00007f99d127cee9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f99d13b3fa8
RBP: 0000000000000c03 R08: 0000000000000008 R09: 0000000400000000
R10: 00007f99d1200000 R11: 0000000000000246 R12: 00007f99d13b3fa0
R13: 00007f99d13b3fac R14: 0000000000000000 R15: 00007f99d13b3fa0
</TASK>
sched: RT throttling activated
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0
yealink 1-1:36.0: urb_ctl_callback - urb status -71
yealink 1-1:36.0: urb_irq_callback - urb status -71
yealink 1-1:36.0: unexpected response 0