bridge0: received packet on bridge_slave_1 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): P9273/1:b..l rcu: (detected by 0, t=10503 jiffies, g=29197, q=3654 ncpus=2) task:syz.3.1166 state:R running task stack:26056 pid:9273 tgid:9272 ppid:5857 task_flags:0x400140 flags:0x00004006 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:697 RIP: 0010:unwind_next_frame+0x3a6/0x2390 arch/x86/kernel/unwind_orc.c:505 Code: 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 80 19 00 00 41 0f b6 44 24 01 83 e0 07 0f 84 75 15 00 00 83 f8 01 4c 8b 7c 24 48 <48> bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 4c 8b 6c 24 50 0f 84 RSP: 0018:ffffc900039b7898 EFLAGS: 00000202 RAX: 0000000000000002 RBX: ffffffff900271a8 RCX: ffffffff900271ac RDX: ffffffff9083dcb2 RSI: ffffffff9083dcb2 RDI: ffffffff8c04e5a0 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc900039b79b8 R11: ffffffff81ad6180 R12: ffffffff9083dcb6 R13: ffffffff9083dcb7 R14: ffffc900039b7968 R15: ffffffff8173e1d5 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: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 kimage_free_page_list kernel/kexec_core.c:325 [inline] kimage_alloc_normal_control_pages kernel/kexec_core.c:390 [inline] kimage_alloc_control_pages+0xab9/0xba0 kernel/kexec_core.c:471 kimage_alloc_init kernel/kexec.c:67 [inline] do_kexec_load+0x483/0x800 kernel/kexec.c:130 __do_sys_kexec_load kernel/kexec.c:261 [inline] __se_sys_kexec_load+0x134/0x160 kernel/kexec.c:242 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd627f8ebe9 RSP: 002b:00007fd6261f6038 EFLAGS: 00000246 ORIG_RAX: 00000000000000f6 RAX: ffffffffffffffda RBX: 00007fd6281b5fa0 RCX: 00007fd627f8ebe9 RDX: 0000200000000480 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 00007fd628011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd6281b6038 R14: 00007fd6281b5fa0 R15: 00007ffeda432268 net_ratelimit: 32099 callbacks suppressed bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) net_ratelimit: 34218 callbacks suppressed bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)