syzbot

bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P28140/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=262717, q=1724 ncpus=2)
task:syz.1.6536      state:R  running task     stack:25464 pid:28140 tgid:28139 ppid:23205  task_flags:0x40044c flags:0x00080003
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7234
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7556
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:869 [inline]
RIP: 0010:class_rcu_destructor include/linux/rcupdate.h:1183 [inline]
RIP: 0010:unwind_next_frame+0x1b61/0x2550 arch/x86/kernel/unwind_orc.c:709
Code: 01 4c 8b 6c 24 50 4c 8b 7c 24 10 43 0f b6 04 27 84 c0 0f 85 6d 02 00 00 41 c7 06 00 00 00 00 31 ed e8 43 9d 57 0a 85 c0 74 3a <e8> ba 40 34 00 84 c0 75 31 e8 31 9d 57 0a 85 c0 74 28 80 3d 7d c3
RSP: 0018:ffffc9000c70f520 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc9000c70f5d8 RCX: ffff888035cb9f00
RDX: ffffc9000c70f601 RSI: dffffc0000000000 RDI: ffffc9000c70f5d0
RBP: 1ffffffff21de701 R08: ffffc9000c70fc30 R09: 0000000000000000
R10: ffffc9000c70f618 R11: fffff520018e1ec5 R12: ffffc9000c708000
R13: ffffffff8176f27f R14: ffffc9000c70f5c8 R15: ffffc9000c70fc40
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 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:1406 [inline]
 free_pages_prepare+0x960/0xa60 mm/page_alloc.c:1451
 __free_contig_range_common+0x174/0x340 mm/page_alloc.c:6897
 __free_contig_range mm/page_alloc.c:6942 [inline]
 free_pages_bulk+0x48/0x120 mm/page_alloc.c:5257
 vm_area_free_pages mm/vmalloc.c:3439 [inline]
 vfree+0x224/0x4a0 mm/vmalloc.c:3488
 kcov_put kernel/kcov.c:449 [inline]
 kcov_close+0x28/0x50 kernel/kcov.c:554
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x73a/0x2360 kernel/exit.c:1004
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1147
 get_signal+0x121b/0x12c0 kernel/signal.c:3038
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x104/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f33fd99de59
RSP: 002b:00007f33fe942028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: 0000000000000116 RBX: 00007f33fdc25fa0 RCX: 00007f33fd99de59
RDX: 0000000000000318 RSI: 00002000000bd000 RDI: 0000000000000006
RBP: 00007f33fda33e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f33fdc26038 R14: 00007f33fdc25fa0 R15: 00007f33fdd4fa48
 </TASK>
net_ratelimit: 21874 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:0f:5e:d8:a6:cd, vlan:0)