bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P25083/1:b..l P5076/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=154097, q=332 ncpus=2)
task:syz-executor.1  state:R  running task     stack:24168 pid:5076  ppid:1      flags:0x20004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6864
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 __raw_read_unlock include/linux/rwlock_api_smp.h:233 [inline]
 _raw_read_unlock+0x3a/0x40 kernel/locking/spinlock.c:260
 zap_pid_ns_processes+0x26e/0x6a0 kernel/pid_namespace.c:210
 find_child_reaper kernel/exit.c:608 [inline]
 forget_original_parent kernel/exit.c:697 [inline]
 exit_notify kernel/exit.c:734 [inline]
 do_exit+0x2314/0x2a20 kernel/exit.c:894
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 get_signal+0x23d1/0x27b0 kernel/signal.c:2892
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
 __do_fast_syscall_32+0x6d/0xe0 arch/x86/entry/common.c:181
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f6c579
RSP: 002b:00000000f749fc80 EFLAGS: 00000293 ORIG_RAX: 000000000000010b
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000f749fcb4 RSI: 00000000f749fcac RDI: 00000000f749fcb4
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:syz-executor.1  state:R  running task     stack:27200 pid:25083 ppid:5076   flags:0x20000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7007
 irqentry_exit+0x35/0x80 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:write_comp_data+0x7/0x90 kernel/kcov.c:230
Code: 81 e2 00 01 ff 00 75 10 65 48 8b 04 25 c0 bc 03 00 48 8b 80 f8 15 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 65 8b 05 e1 f0 7b 7e <49> 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49 89 f8 65 48 8b 14 25
RSP: 0018:ffffc9000328f900 EFLAGS: 00000246
RAX: 0000000080000000 RBX: ffffffff81d1b126 RCX: ffffffff8132084b
RDX: ffffffff81d1b126 RSI: 0000000000000000 RDI: 0000000000000007
RBP: ffffc9000328f9a0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: dffffc0000000000 R12: ffffc9000328f910
R13: ffffffff81757520 R14: ffffc9000328f9d0 R15: ffff888016bfbb80
 arch_stack_walk+0xcb/0x170 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 save_stack+0x160/0x1f0 mm/page_owner.c:128
 __reset_page_owner+0x5a/0x190 mm/page_owner.c:149
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2312
 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2405
 qlink_free mm/kasan/quarantine.c:166 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
 kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook mm/slab.h:762 [inline]
 slab_alloc_node mm/slub.c:3478 [inline]
 slab_alloc mm/slub.c:3486 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
 kmem_cache_alloc+0x172/0x3b0 mm/slub.c:3502
 kmem_cache_zalloc include/linux/slab.h:710 [inline]
 taskstats_tgid_alloc kernel/taskstats.c:583 [inline]
 taskstats_exit+0x611/0xba0 kernel/taskstats.c:622
 do_exit+0x839/0x2a20 kernel/exit.c:859
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __ia32_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f6c579
RSP: 002b:00000000f749fd1c EFLAGS: 00000286 ORIG_RAX: 00000000000000fc
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 00000000ffffff9c RDI: 00000000f7353ff4
RBP: 000000000000001e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 4147 jiffies! g154097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28760 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1613
 rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1812
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:112
net_ratelimit: 9478 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
net_ratelimit: 11389 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:02:94:0e:c7:5c:19, vlan:0)