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): P5608/1:b..l rcu: (detected by 0, t=10502 jiffies, g=53533, q=910 ncpus=1) task:syz-executor state:R running task stack:22024 pid:5608 tgid:5608 ppid:5606 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa00 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__orc_find+0x5a/0xf0 arch/x86/kernel/unwind_orc.c:101 Code: 00 00 fc ff df 49 89 ff 48 89 fd eb 0c 48 8d 6b 04 49 89 df 49 39 ec 72 4e 4c 89 e2 48 29 ea 48 89 d6 48 c1 ea 3f 48 c1 fe 02 <48> 01 f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a RSP: 0018:ffffc900035eec28 EFLAGS: 00000202 RAX: ffffffff91d25884 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff9144ab7c RBP: ffffffff9144ab7c R08: ffffffff91d258a2 R09: 0000000000000007 R10: 0000000000000200 R11: 0000000000016962 R12: ffffffff9144ab8c R13: ffffffff826962a7 R14: ffffffff9144ab7c R15: ffffffff9144ab7c orc_find arch/x86/kernel/unwind_orc.c:238 [inline] unwind_next_frame+0x2ec/0x2090 arch/x86/kernel/unwind_orc.c:510 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x162/0x1e0 mm/page_owner.c:165 __set_page_owner+0x8c/0x540 mm/page_owner.c:341 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304 __alloc_pages_noprof mm/page_alloc.c:5338 [inline] alloc_pages_bulk_noprof+0x5de/0x13c0 mm/page_alloc.c:5230 ___alloc_pages_bulk mm/kasan/shadow.c:345 [inline] __kasan_populate_vmalloc_do mm/kasan/shadow.c:370 [inline] __kasan_populate_vmalloc+0xf0/0x210 mm/kasan/shadow.c:424 kasan_populate_vmalloc include/linux/kasan.h:580 [inline] alloc_vmap_area+0x95d/0x2bb0 mm/vmalloc.c:2123 __get_vm_area_node+0x1ca/0x330 mm/vmalloc.c:3226 __vmalloc_node_range_noprof+0x228/0x1630 mm/vmalloc.c:4042 __vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:4143 alloc_counters net/ipv6/netfilter/ip6_tables.c:815 [inline] copy_entries_to_user net/ipv6/netfilter/ip6_tables.c:837 [inline] get_entries net/ipv6/netfilter/ip6_tables.c:1037 [inline] do_ip6t_get_ctl+0x7e0/0xc30 net/ipv6/netfilter/ip6_tables.c:1678 nf_getsockopt+0x7c/0xe0 net/netfilter/nf_sockopt.c:116 ipv6_getsockopt+0x207/0x2a0 net/ipv6/ipv6_sockglue.c:1464 tcp_getsockopt+0xa1/0x110 net/ipv4/tcp.c:4864 do_sock_getsockopt+0x50a/0x6e0 net/socket.c:2474 __sys_getsockopt+0x148/0x260 net/socket.c:2505 __do_sys_getsockopt net/socket.c:2512 [inline] __se_sys_getsockopt net/socket.c:2509 [inline] __x64_sys_getsockopt+0xbd/0x160 net/socket.c:2509 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbe68b9f7ea RSP: 002b:00007fffc4508098 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007fffc4508120 RCX: 00007fbe68b9f7ea RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007fffc45080bc R09: 0000000000000000 R10: 00007fffc4508120 R11: 0000000000000212 R12: 00007fbe68dede00 R13: 00007fffc45080bc R14: 0000000000000000 R15: 00007fbe68deffc0