bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9/1:b..l P5896/1:b..l P978/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=84061, q=211 ncpus=2)
task:kworker/0:2 state:R running task stack:21416 pid:978 tgid:978 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: events dvb_usb_read_remote_control
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090
irqentry_exit+0x6f/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:100 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x12f6/0x2390 arch/x86/kernel/unwind_orc.c:494
Code: 43 06 00 00 49 89 d5 48 89 d5 48 89 d8 48 29 e8 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 <49> 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6
RSP: 0018:ffffc90003b87438 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8fda2590 RCX: 0000000000000000
RDX: ffffffff8fda2560 RSI: ffffffff9078c388 RDI: ffffffff8bc1d280
RBP: ffffffff8fda2590 R08: 000000000000000d R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8171a9f5 R12: ffffffff87ca4edf
R13: ffffffff8fda258c R14: ffffc90003b87508 R15: 0000000000000000
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x62/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2380 [inline]
slab_free mm/slub.c:4642 [inline]
kfree+0x193/0x440 mm/slub.c:4841
usb_start_wait_urb+0x21e/0x4c0 drivers/usb/core/message.c:81
usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
usb_control_msg+0x232/0x3e0 drivers/usb/core/message.c:154
m920x_read drivers/media/usb/dvb-usb/m920x.c:36 [inline]
m920x_rc_core_query+0xc0/0x540 drivers/media/usb/dvb-usb/m920x.c:226
dvb_usb_read_remote_control+0xb1/0x1a0 drivers/media/usb/dvb-usb/dvb-usb-remote.c:261
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/0:5 state:R running task stack:21768 pid:5896 tgid:5896 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: events ovs_dp_masks_rebalance
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090
irqentry_exit+0x6f/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x137/0x190 kernel/locking/lockdep.c:5943
Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 89 54 1f 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc900047bf710 EFLAGS: 00000206
RAX: abf6140334a54f00 RBX: 0000000000000001 RCX: abf6140334a54f00
RDX: 0000000000000000 RSI: ffffffff8d93622d RDI: ffffffff8bc1d2e0
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff822ca402 R12: 0000000000000246
R13: ffff88802f293c00 R14: ffffffff8df3d860 R15: 0000000000000004
lookup_page_ext mm/page_ext.c:254 [inline]
page_ext_get+0x193/0x2b0 mm/page_ext.c:539
__reset_page_owner+0x28/0x1f0 mm/page_owner.c:294
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1262 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2725
discard_slab mm/slub.c:2716 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3185
put_cpu_partial+0x17c/0x250 mm/slub.c:3260
__slab_free+0x2f7/0x400 mm/slub.c:4512
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4327 [inline]
__kmalloc_noprof+0x27a/0x4f0 mm/slub.c:4339
kmalloc_noprof include/linux/slab.h:909 [inline]
kmalloc_array_noprof include/linux/slab.h:948 [inline]
ovs_flow_masks_rebalance+0xf4/0xc30 net/openvswitch/flow_table.c:1114
ovs_dp_masks_rebalance+0x56/0xe0 net/openvswitch/datapath.c:2534
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/0:0 state:R running task stack:20040 pid:9 tgid:9 ppid:2 task_flags:0x4208160 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090
irqentry_exit+0x6f/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x175/0x360 kernel/locking/lockdep.c:5870
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 8b 51 d7 10 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900000e6b38 EFLAGS: 00000206
RAX: 1007f5c44e742200 RBX: 0000000000000000 RCX: 1007f5c44e742200
RDX: 0000000000000000 RSI: ffffffff8d93622d RDI: ffffffff8bc1d2e0
RBP: ffffffff8171a9f5 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8171a9f5 R12: 0000000000000002
R13: ffffffff8df3d860 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1262 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2725
discard_slab mm/slub.c:2716 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3185
put_cpu_partial+0x17c/0x250 mm/slub.c:3260
__slab_free+0x2f7/0x400 mm/slub.c:4512
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4147 [inline]
slab_alloc_node mm/slub.c:4196 [inline]
kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4203
__kernfs_new_node+0xd7/0x7f0 fs/kernfs/dir.c:637
kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:713
__kernfs_create_file+0x4b/0x2e0 fs/kernfs/file.c:1038
sysfs_add_file_mode_ns+0x238/0x300 fs/sysfs/file.c:319
create_files fs/sysfs/group.c:76 [inline]
internal_create_group+0x66d/0x1110 fs/sysfs/group.c:183
internal_create_groups fs/sysfs/group.c:223 [inline]
sysfs_create_groups+0x59/0x120 fs/sysfs/group.c:249
device_add_groups drivers/base/core.c:2839 [inline]
device_add_attrs+0x1c4/0x5a0 drivers/base/core.c:2914
device_add+0x496/0xb50 drivers/base/core.c:3646
usb_create_ep_devs+0x12c/0x230 drivers/usb/core/endpoint.c:170
usb_new_device+0xb56/0x16c0 drivers/usb/core/hub.c:2693
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5913
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
net_ratelimit: 14334 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
net_ratelimit: 16446 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:c5:b5:42:0c:8a, vlan:0)