INFO: task kworker/0:6:4140 blocked for more than 147 seconds.
Not tainted 5.17.0-rc6-syzkaller-00100-g98d107b84614 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6 state:D stack:22216 pid: 4140 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x931/0x22e0 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
unregister_netdev+0xe/0x20 net/core/dev.c:10473
usbnet_disconnect+0x139/0x270 drivers/net/usb/usbnet.c:1623
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x627/0x760 drivers/base/dd.c:1209
device_release_driver_internal drivers/base/dd.c:1242 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1265
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
device_del+0x4f3/0xc80 drivers/base/core.c:3592
usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2228
hub_port_connect drivers/usb/core/hub.c:5207 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
port_event drivers/usb/core/hub.c:5665 [inline]
hub_event+0x1e39/0x44d0 drivers/usb/core/hub.c:5747
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2ef/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Showing all locks held in the system:
3 locks held by kworker/0:1/7:
#0:
ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc9000007fdb8 ((work_completion)(&fw_work->work)
){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88810d023220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88810d023220 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_fail drivers/net/wireless/ath/ath9k/hif_usb.c:1136 [inline]
#2: ffff88810d023220 (&dev->mutex){....}-{3:3}, at: ath9k_hif_usb_firmware_cb+0x3ac/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1269
2 locks held by kworker/1:1/23:
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888100064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90000197db8 (console_work){+.+.}-{0:0}
, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
1 lock held by khungtaskd/25:
#0: ffffffff87891880
(rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
6 locks held by kworker/0:3/1130:
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc900027f7db8
((work_completion)(&hub->events)
){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88810d023220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88810d023220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5693
#3: ffff888114106220
(&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
(&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#4: ffff88811ab361a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88811ab361a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#5: ffff88810cee8868 (hcd->bandwidth_mutex){+.+.}-{3:3}, at: usb_set_interface+0x292/0xd20 drivers/usb/core/message.c:1564
4 locks held by dhcpcd/1206:
2 locks held by getty/1230:
#0:
ffff88810dcd7098
(&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900000432e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2075
6 locks held by kworker/0:4/4094:
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1:
ffffc900017d7db8
((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88810ce7d220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88810ce7d220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5693
#3: ffff88810399c220 (&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:767 [inline]
, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#4: ffff8881194451a8 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:767 [inline]
, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#5: ffffffff88885b68 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50 net/core/dev.c:9789
3 locks held by kworker/1:5/4119:
#0: ffff88810dd6f538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88810dd6f538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88810dd6f538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88810dd6f538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff88810dd6f538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff88810dd6f538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90001907db8 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffffffff88885b68
(rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4608
6 locks held by kworker/0:6/4140:
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc90001b6fdb8 ((work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88810cf23220
(&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
(&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5693
#3:
ffff8881114f0220 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:767 [inline]
, at: usb_disconnect.cold+0x43/0x78e drivers/usb/core/hub.c:2219
#4:
ffff8881114f51a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
ffff8881114f51a8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1036 [inline]
ffff8881114f51a8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal drivers/base/dd.c:1239 [inline]
ffff8881114f51a8 (&dev->mutex){....}-{3:3}, at: device_release_driver+0x1c/0x40 drivers/base/dd.c:1265
#5: ffffffff88885b68 (rtnl_mutex){+.+.}-{3:3}
, at: unregister_netdev+0xe/0x20 net/core/dev.c:10473
6 locks held by kworker/1:6/4362:
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff88810398b138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc900021b7db8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff88810d0bb220 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:767 [inline]
, at: hub_event+0x1c5/0x44d0 drivers/usb/core/hub.c:5693
#3: ffff88811ab31220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88811ab31220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#4: ffff88811ab371a8
(&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
(&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#5: ffffffff88885b68 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50 net/core/dev.c:9789
3 locks held by udevd/16590:
#0: ffff88811694fc88 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
#0: ffff88811694fc88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x189/0x6f0 fs/kernfs/file.c:242
#1: ffff88811af6a2c0 (kn->active#51
){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
){++++}-{0:0}, at: kernfs_fop_read_iter+0x1ac/0x6f0 fs/kernfs/file.c:242
#2: ffff88811ab31220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:772 [inline]
#2: ffff88811ab31220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873
3 locks held by udevd/16601:
#0: ffff88811ba5e888 (&of->mutex
){+.+.}-{3:3}
, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
, at: kernfs_fop_read_iter+0x189/0x6f0 fs/kernfs/file.c:242
#1: ffff88810c2eae88 (kn->active#51
){++++}-{0:0}
, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
, at: kernfs_fop_read_iter+0x1ac/0x6f0 fs/kernfs/file.c:242
#2: ffff88810399c220 (&dev->mutex){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:772 [inline]
, at: read_descriptors+0x3c/0x2c0 drivers/usb/core/sysfs.c:873
3 locks held by syz-executor.2/17191:
#0: ffff8881366bd4f0
(&f->f_pos_lock
){+.+.}-{3:3}
, at: __fdget_pos+0xe9/0x100 fs/file.c:1034
#1: ffff88810eab6438 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:643
#2: ffff888128d9e610
(&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:787 [inline]
(&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_dio_write_iter fs/ext4/file.c:506 [inline]
(&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_file_write_iter+0x447/0x1970 fs/ext4/file.c:675
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.17.0-rc6-syzkaller-00100-g98d107b84614 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2ef/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1206 Comm: dhcpcd Not tainted 5.17.0-rc6-syzkaller-00100-g98d107b84614 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_preemption_disabled+0x28/0x170 lib/smp_processor_id.c:16
Code: cc cc 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 cd 73 2d 7a 65 8b 1d fe c8 2d 7a 81 e3 ff ff ff 7f <31> ff 89 de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 00 00 44 89 e0 5b
RSP: 0018:ffffc90000007be8 EFLAGS: 00000006
RAX: 0000000000000001 RBX: 0000000000000106 RCX: ffffffff81205774
RDX: fffffbfff116fb8b RSI: ffffffff86414800 RDI: ffffffff86414840
RBP: ffffffff86414840 R08: 0000000000000000 R09: ffffffff88b7dc57
R10: fffffbfff116fb8a R11: ffff8881f68378c0 R12: 0000000000000000
R13: ffffffff86414800 R14: ffff8881002b3814 R15: ffff8881002b4118
FS: 00007f4a7a45e740(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f19e0760090 CR3: 0000000113885000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:330 [inline]
rcu_is_watching+0xe/0xb0 kernel/rcu/tree.c:1128
rcu_read_lock_held_common kernel/rcu/update.c:108 [inline]
rcu_read_lock_sched_held+0x1c/0x70 kernel/rcu/update.c:123
trace_sched_wakeup include/trace/events/sched.h:178 [inline]
trace_sched_wakeup include/trace/events/sched.h:178 [inline]
ttwu_do_wakeup+0x412/0x5c0 kernel/sched/core.c:3563
ttwu_queue kernel/sched/core.c:3810 [inline]
try_to_wake_up+0x4d3/0x1150 kernel/sched/core.c:4133
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x67c/0xa30 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x288/0x9a5 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x113/0x170 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200
Code: 48 89 ef 5d e9 11 7f 2e 00 5d be 03 00 00 00 e9 76 8b c1 00 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 c9 6e be 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffffc90000fbf290 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888110f95400 RSI: ffffffff812bdbf1 RDI: 0000000000000003
RBP: ffffc90000fbf2d0 R08: 0000000000000000 R09: ffffffff8a7ed7f7
R10: ffffffff812bdbe7 R11: 0000000000000000 R12: 0000000000000038
R13: ffff8881085a1c00 R14: 0000000000000200 R15: ffffc90000fbf3f0
console_trylock_spinning kernel/printk/printk.c:1885 [inline]
vprintk_emit+0x377/0x4f0 kernel/printk/printk.c:2244
dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4604
dev_printk_emit+0xba/0xf1 drivers/base/core.c:4615
__netdev_printk+0x1c6/0x27a net/core/dev.c:10782
netdev_warn+0xd7/0x109 net/core/dev.c:10835
asix_write_cmd.cold+0x3a/0x46 drivers/net/usb/asix_common.c:54
asix_set_sw_mii drivers/net/usb/asix_common.c:300 [inline]
asix_check_host_enable+0x9e/0x1c0 drivers/net/usb/asix_common.c:74
asix_mdio_read+0x90/0x250 drivers/net/usb/asix_common.c:499
asix_phy_reset+0x104/0x170 drivers/net/usb/asix_devices.c:215
ax88178_reset+0x3f5/0x1310 drivers/net/usb/asix_devices.c:977
usbnet_open+0xc8/0x5d0 drivers/net/usb/usbnet.c:894
__dev_open+0x2c4/0x4d0 net/core/dev.c:1407
__dev_change_flags+0x583/0x750 net/core/dev.c:8139
dev_change_flags+0x93/0x170 net/core/dev.c:8210
devinet_ioctl+0x15d1/0x1ca0 net/ipv4/devinet.c:1144
inet_ioctl+0x1e6/0x320 net/ipv4/af_inet.c:969
sock_do_ioctl+0xcc/0x230 net/socket.c:1122
sock_ioctl+0x2f1/0x640 net/socket.c:1239
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4a7a54c0e7
Code: 3c 1c e8 1c ff ff ff 85 c0 79 87 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 9d 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc0780e108 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4a7a45e6c8 RCX: 00007f4a7a54c0e7
RDX: 00007ffc0781e2f8 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007ffc0782e4a8 R08: 00007ffc0781e2b8 R09: 00007ffc0781e268
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc0781e2f8 R14: 0000000000000028 R15: 0000000000008914
----------------
Code disassembly (best guess):
0: cc int3
1: cc int3
2: 41 56 push %r14
4: 41 55 push %r13
6: 49 89 f5 mov %rsi,%r13
9: 41 54 push %r12
b: 55 push %rbp
c: 48 89 fd mov %rdi,%rbp
f: 53 push %rbx
10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
15: 65 44 8b 25 cd 73 2d mov %gs:0x7a2d73cd(%rip),%r12d # 0x7a2d73ea
1c: 7a
1d: 65 8b 1d fe c8 2d 7a mov %gs:0x7a2dc8fe(%rip),%ebx # 0x7a2dc922
24: 81 e3 ff ff ff 7f and $0x7fffffff,%ebx
* 2a: 31 ff xor %edi,%edi <-- trapping instruction
2c: 89 de mov %ebx,%esi
2e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
33: 85 db test %ebx,%ebx
35: 74 11 je 0x48
37: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
3c: 44 89 e0 mov %r12d,%eax
3f: 5b pop %rbx