bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P43/1:b..l P24/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=56809, q=540 ncpus=2)
task:kworker/1:0 state:R running task stack:24840 pid:24 tgid:24 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events request_module_async
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5264 [inline]
__schedule+0x1836/0x4ed0 kernel/sched/core.c:6872
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7199
irqentry_exit+0x5b5/0x640 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x16c/0x350 kernel/locking/lockdep.c:5872
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 c4 aa 1b 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900001e6ef8 EFLAGS: 00000206
RAX: 263bdbef5177e000 RBX: 0000000000000000 RCX: 263bdbef5177e000
RDX: 0000000000000000 RSI: ffffffff8dc71e5c RDI: ffffffff8be111e0
RBP: ffffffff81740fd5 R08: 0000000000000000 R09: ffffffff81740fd5
R10: ffffc900001e70b8 R11: ffffffff81ad65e0 R12: 0000000000000002
R13: ffffffff8e33d820 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:867 [inline]
class_rcu_constructor include/linux/rcupdate.h:1195 [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+0xf5/0x1f0 mm/page_owner.c:165
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2948
discard_slab mm/slub.c:3348 [inline]
__put_partials+0x146/0x170 mm/slub.c:3888
put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3963
__slab_free+0x288/0x2a0 mm/slub.c:5949
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:349
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4950 [inline]
slab_alloc_node mm/slub.c:5260 [inline]
__kmalloc_cache_noprof+0x37c/0x700 mm/slub.c:5768
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
call_usermodehelper_setup+0x8e/0x270 kernel/umh.c:362
call_modprobe kernel/module/kmod.c:97 [inline]
__request_module+0x38f/0x5f0 kernel/module/kmod.c:172
dvb_module_probe+0x1ba/0x310 drivers/media/dvb-core/dvbdev.c:1041
em28178_dvb_init_pctv_292e+0x169/0x390 drivers/media/usb/em28xx/em28xx-dvb.c:1293
em28xx_dvb_init+0x448/0x4b20 drivers/media/usb/em28xx/em28xx-dvb.c:1947
em28xx_init_extension+0x120/0x1c0 drivers/media/usb/em28xx/em28xx-core.c:1117
process_one_work+0x93a/0x15e0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/1:1 state:R running task stack:21256 pid:43 tgid:43 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5264 [inline]
__schedule+0x1836/0x4ed0 kernel/sched/core.c:6872
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7199
irqentry_exit+0x5b5/0x640 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x16c/0x350 kernel/locking/lockdep.c:5872
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 c4 aa 1b 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90000b36c58 EFLAGS: 00000206
RAX: 36b9d35fc169f500 RBX: 0000000000000000 RCX: 36b9d35fc169f500
RDX: 0000000000000000 RSI: ffffffff8dc71e5c RDI: ffffffff8be111e0
RBP: ffffffff81740fd5 R08: 0000000000000000 R09: ffffffff81740fd5
R10: ffffc90000b36e78 R11: fffff52000166dd1 R12: 0000000000000002
R13: ffffffff8e33d820 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:867 [inline]
class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
__unwind_start+0x5b9/0x760 arch/x86/kernel/unwind_orc.c:758
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xe4/0x150 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf5/0x1f0 mm/page_owner.c:165
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2948
discard_slab mm/slub.c:3348 [inline]
__put_partials+0x146/0x170 mm/slub.c:3888
put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3963
__slab_free+0x288/0x2a0 mm/slub.c:5949
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:405
kasan_kmalloc include/linux/kasan.h:262 [inline]
__do_kmalloc_node mm/slub.c:5654 [inline]
__kmalloc_node_track_caller_noprof+0x571/0x810 mm/slub.c:5761
__kmemdup_nul mm/util.c:64 [inline]
kstrdup+0x42/0x100 mm/util.c:84
__kernfs_new_node+0x9c/0x7e0 fs/kernfs/dir.c:633
kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:713
kernfs_create_link+0xa7/0x200 fs/kernfs/symlink.c:39
sysfs_do_create_link_sd+0x83/0x110 fs/sysfs/symlink.c:44
bus_add_device+0x249/0x470 drivers/base/bus.c:540
device_add+0x4b7/0xb80 drivers/base/core.c:3646
usb_new_device+0xa39/0x1720 drivers/usb/core/hub.c:2695
hub_port_connect drivers/usb/core/hub.c:5567 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
port_event drivers/usb/core/hub.c:5871 [inline]
hub_event+0x29b1/0x4ef0 drivers/usb/core/hub.c:5953
process_one_work+0x93a/0x15e0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
net_ratelimit: 12515 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:12:3b:d1:8e:0c:b9, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 15962 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:12:3b:d1:8e:0c:b9, vlan:0)