ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16670/1:b..l rcu: (detected by 0, t=10502 jiffies, g=73221, q=3669 ncpus=2) task:syz-executor state:R running task stack:22872 pid:16670 tgid:16670 ppid:16652 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5504 [inline] __schedule+0x17d9/0x56c0 kernel/sched/core.c:7228 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7552 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__read_once_word_nocheck+0x0/0x10 include/asm-generic/rwonce.h:67 Code: 89 e7 e8 23 79 ba 00 e9 1e fd ff ff 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 07 c3 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 RSP: 0018:ffffc9000e5071f8 EFLAGS: 00000202 RAX: ffffc9000e507901 RBX: 1ffff92001ca0e56 RCX: 1ffff92001ca0e01 RDX: ffffc9000e5079d8 RSI: 0000000000000002 RDI: ffffc9000e5079d8 RBP: 1ffffffff21a4bbe R08: ffffc9000e5079e0 R09: 0000000000000000 R10: ffffc9000e5072f8 R11: ffffffff81b10630 R12: 1ffff92001ca0e57 R13: ffffc9000e508000 R14: ffffc9000e5072a8 R15: ffffc9000e500000 deref_stack_reg arch/x86/kernel/unwind_orc.c:422 [inline] unwind_next_frame+0xca5/0x2550 arch/x86/kernel/unwind_orc.c:614 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 save_stack+0x122/0x230 mm/page_owner.c:165 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1397 [inline] __free_frozen_pages+0xc0d/0xd20 mm/page_alloc.c:2938 __slab_free+0x274/0x2c0 mm/slub.c:5672 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:406 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_node_noprof+0x3dd/0x690 mm/slub.c:5463 _kmalloc_node_noprof include/linux/slab.h:1170 [inline] __get_vm_area_node+0x136/0x300 mm/vmalloc.c:3215 __vmalloc_node_range_noprof+0x358/0x1730 mm/vmalloc.c:4024 __vmalloc_node_noprof mm/vmalloc.c:4124 [inline] vzalloc_noprof+0xb2/0xe0 mm/vmalloc.c:4202 __do_replace+0xc2/0xac0 net/ipv4/netfilter/arp_tables.c:904 do_replace net/ipv4/netfilter/arp_tables.c:999 [inline] do_arpt_set_ctl+0xb99/0x10b0 net/ipv4/netfilter/arp_tables.c:1440 nf_setsockopt+0x26f/0x290 net/netfilter/nf_sockopt.c:101 do_sock_setsockopt+0x17c/0x1b0 net/socket.c:2368 __sys_setsockopt net/socket.c:2393 [inline] __do_sys_setsockopt net/socket.c:2399 [inline] __se_sys_setsockopt net/socket.c:2396 [inline] __x64_sys_setsockopt+0x13d/0x1b0 net/socket.c:2396 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fed4339e69a RSP: 002b:00007fffd8fa1248 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fed4339e69a RDX: 0000000000000060 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fffd8fa12b0 R08: 0000000000000408 R09: 0000000000000000 R10: 00007fed435e87b0 R11: 0000000000000246 R12: 00007fffd8fa125c R13: 00007fed434338bd R14: 0000000000059571 R15: 00007fffd8fa19a0 net_ratelimit: 32130 callbacks suppressed ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! net_ratelimit: 34041 callbacks suppressed ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge! ICMPv6: NA: aa:aa:aa:aa:aa:1b advertised our address fe80::a8aa:aaff:feaa:aa1b on veth0_to_bridge!