bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P17535/1:b..l rcu: (detected by 0, t=10503 jiffies, g=66689, q=1317 ncpus=2) task:syz-executor state:R running task stack:21576 pid:17535 tgid:17535 ppid:17503 task_flags:0x400140 flags:0x00080001 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_next_frame+0x1883/0x2390 arch/x86/kernel/unwind_orc.c:665 Code: 20 ca 80 fa 01 0f 85 63 01 00 00 49 8d 4c 24 08 4c 39 e9 0f 86 55 01 00 00 48 39 c1 0f 87 4c 01 00 00 4c 3b a4 24 90 00 00 00 <4c> 8b 7c 24 48 0f 87 c9 00 00 00 49 8d 5e 28 48 89 d8 48 c1 e8 03 RSP: 0018:ffffc90004927158 EFLAGS: 00000206 RAX: ffffc90004928000 RBX: ffffffff9039ad01 RCX: ffffc90004927710 RDX: ffffc90004927201 RSI: dffffc0000000000 RDI: ffffc90004927230 RBP: dffffc0000000000 R08: ffffc900049276f8 R09: 0000000000000000 R10: ffffc90004927278 R11: fffff52000924e51 R12: ffffc90004927708 R13: ffffc90004920000 R14: ffffc90004927228 R15: ffffc90004927238 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:1394 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906 discard_slab mm/slub.c:3302 [inline] __put_partials+0x146/0x170 mm/slub.c:3849 put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3924 __slab_free+0x2b9/0x390 mm/slub.c:5883 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_kmalloc+0x22/0xb0 mm/kasan/common.c:408 kasan_kmalloc include/linux/kasan.h:262 [inline] __kmalloc_cache_node_noprof+0x471/0x6f0 mm/slub.c:5737 kmalloc_node_noprof include/linux/slab.h:983 [inline] __get_vm_area_node+0x13f/0x300 mm/vmalloc.c:3182 __vmalloc_node_range_noprof+0x30c/0x12d0 mm/vmalloc.c:3857 __vmalloc_node_noprof mm/vmalloc.c:3960 [inline] vzalloc_noprof+0xb2/0xf0 mm/vmalloc.c:4034 __do_replace+0xb4/0xaa0 net/ipv4/netfilter/arp_tables.c:894 do_replace net/ipv4/netfilter/arp_tables.c:989 [inline] do_arpt_set_ctl+0xa2a/0xf10 net/ipv4/netfilter/arp_tables.c:1429 nf_setsockopt+0x26f/0x290 net/netfilter/nf_sockopt.c:101 do_sock_setsockopt+0x179/0x1b0 net/socket.c:2360 __sys_setsockopt net/socket.c:2385 [inline] __do_sys_setsockopt net/socket.c:2391 [inline] __se_sys_setsockopt net/socket.c:2388 [inline] __x64_sys_setsockopt+0x13f/0x1b0 net/socket.c:2388 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: 0033:0x7fa772790dba RSP: 002b:00007ffce6261898 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa772790dba RDX: 0000000000000060 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ffce6261900 R08: 0000000000000408 R09: 00007ffce6261c97 R10: 00007fa7729b2650 R11: 0000000000000246 R12: 00007ffce62618ac R13: 00000000000927c0 R14: 00000000000639d9 R15: 00007ffce6261fe0 bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)