bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5221/1:b..l rcu: (detected by 1, t=10503 jiffies, g=199973, q=883 ncpus=2) task:klogd state:R running task stack:24104 pid:5221 tgid:5221 ppid:1 task_flags:0x400100 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7288 irqentry_exit+0x6f/0x90 kernel/entry/common.c:197 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:218 [inline] RIP: 0010:unwind_next_frame+0x23b/0x2390 arch/x86/kernel/unwind_orc.c:494 Code: b6 04 28 84 c0 48 89 eb 0f 85 1c 1c 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d 2c 85 c0 bf df 90 48 89 e8 48 c1 e8 03 0f b6 04 18 <84> c0 0f 85 1c 1c 00 00 44 8b 45 00 41 ff c0 4a 8d 04 6d 00 00 00 RSP: 0018:ffffc90003177158 EFLAGS: 00000a03 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: a1d0ab4874128500 RDX: 00000000000a7c85 RSI: ffffffff8be32660 RDI: ffffffff8be32620 RBP: ffffffff90e16624 R08: 0000000000000000 R09: ffffffff8172c195 R10: ffffc900031772d8 R11: fffff5200062ee5d R12: ffffffff816998e3 R13: 0000000000014fba R14: ffffc90003177288 R15: 0000000000006998 __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: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:1395 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895 discard_slab mm/slub.c:2753 [inline] __put_partials+0x156/0x1a0 mm/slub.c:3218 put_cpu_partial+0x17c/0x250 mm/slub.c:3293 __slab_free+0x2d5/0x3c0 mm/slub.c:4550 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:340 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4180 [inline] slab_alloc_node mm/slub.c:4229 [inline] __do_kmalloc_node mm/slub.c:4364 [inline] __kmalloc_node_track_caller_noprof+0x216/0x4e0 mm/slub.c:4384 kmalloc_reserve+0x136/0x290 net/core/skbuff.c:600 __alloc_skb+0x142/0x2d0 net/core/skbuff.c:669 alloc_skb include/linux/skbuff.h:1336 [inline] alloc_skb_with_frags+0xca/0x890 net/core/skbuff.c:6665 sock_alloc_send_pskb+0x857/0x990 net/core/sock.c:2980 unix_dgram_sendmsg+0x461/0x1850 net/unix/af_unix.c:2153 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:729 __sys_sendto+0x3bd/0x520 net/socket.c:2228 __do_sys_sendto net/socket.c:2235 [inline] __se_sys_sendto net/socket.c:2231 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2231 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffbc7b6b407 RSP: 002b:00007ffd10babc30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007ffbc7a1bc80 RCX: 00007ffbc7b6b407 RDX: 00000000000000a1 RSI: 00007ffd10babd70 RDI: 0000000000000003 RBP: 00007ffd10bac1a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd10bac1b8 R13: 00007ffd10babd70 R14: 0000000000000086 R15: 00007ffd10babd70 net_ratelimit: 24458 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) net_ratelimit: 26668 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:72:0a:7b:a7:44:11, vlan:0)