bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5884/1:b..l rcu: (detected by 1, t=10502 jiffies, g=20701, q=814 ncpus=2) task:kworker/0:3 state:R running task stack:23576 pid:5884 tgid:5884 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: events bpf_prog_free_deferred 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:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:127 [inline] RIP: 0010:lock_acquire+0xc9/0x360 kernel/locking/lockdep.c:5862 Code: d7 10 85 c0 0f 85 eb 00 00 00 65 48 8b 04 25 08 40 75 92 83 b8 ec 0a 00 00 00 0f 85 d5 00 00 00 48 c7 44 24 30 00 00 00 00 9c <8f> 44 24 30 4c 89 74 24 10 4d 89 fe 4c 8b 7c 24 30 fa 48 c7 c7 d4 RSP: 0018:ffffc900040976c0 EFLAGS: 00000246 RAX: ffff888030659e00 RBX: 0000000000000000 RCX: 363c4093b1c45e00 RDX: 0000000000000000 RSI: ffffffff820f0cc5 RDI: 1ffffffff1be770c RBP: ffffffff820f0ca9 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1efda6f R12: 0000000000000002 R13: ffffffff8df3b860 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] ___pte_offset_map+0x45/0x2a0 mm/pgtable-generic.c:287 __pte_offset_map include/linux/mm.h:3134 [inline] __pte_offset_map_lock+0x46/0x1e0 mm/pgtable-generic.c:398 get_locked_pte include/linux/mm.h:2843 [inline] __text_poke+0x29c/0xbf0 arch/x86/kernel/alternative.c:2269 text_poke_set+0xf4/0x180 arch/x86/kernel/alternative.c:2441 bpf_arch_text_invalidate+0x22/0x40 arch/x86/net/bpf_jit_comp.c:304 bpf_prog_pack_free+0x1de/0x480 kernel/bpf/core.c:1014 bpf_jit_binary_pack_free+0x39/0x80 kernel/bpf/core.c:1212 bpf_jit_free+0x122/0x4a0 arch/x86/net/bpf_jit_comp.c:3752 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 bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:4f:7e:d8:85:c1, vlan:0)