bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P20760/1:b..l rcu: (detected by 1, t=10503 jiffies, g=103981, q=1179 ncpus=2) task:syz.4.3940 state:R running task stack:25640 pid:20760 tgid:20760 ppid:16994 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x17d9/0x56c0 kernel/sched/core.c:7234 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7556 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:unwind_next_frame+0x17f/0x2550 arch/x86/kernel/unwind_orc.c:510 Code: 04 24 42 0f b6 04 20 84 c0 0f 85 92 1c 00 00 4c 89 7c 24 10 4c 89 6c 24 50 0f b6 1b 48 8b 44 24 20 42 80 3c 20 00 4d 8d 7e 48 <74> 08 4c 89 ff e8 37 03 bd 00 49 8b 2f 48 83 f3 01 48 c7 c2 20 b5 RSP: 0018:ffffc9000208f160 EFLAGS: 00000246 RAX: 1ffff92000411e4a RBX: 0000000000000000 RCX: 0000000080000001 RDX: 000000009ad6b605 RSI: ffffffff8c4bd260 RDI: ffffffff8c4bd220 RBP: 1ffff92000411e48 R08: ffffffff8176f21f R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8eb59c20 R12: dffffc0000000000 R13: ffffffff8176f21f R14: ffffc9000208f208 R15: ffffc9000208f250 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:1406 [inline] __free_frozen_pages+0xc1e/0xd10 mm/page_alloc.c:2950 __slab_free+0x274/0x2c0 mm/slub.c:5767 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_slab_alloc+0x22/0x80 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4612 [inline] slab_alloc_node mm/slub.c:4945 [inline] __do_kmalloc_node mm/slub.c:5361 [inline] __kvmalloc_node_noprof+0x4cd/0x860 mm/slub.c:6933 allocate_hook_entries_size net/netfilter/core.c:54 [inline] __nf_hook_entries_try_shrink+0x34e/0x720 net/netfilter/core.c:253 __nf_unregister_net_hook+0x4be/0x6d0 net/netfilter/core.c:513 nf_unregister_net_hook net/netfilter/core.c:-1 [inline] nf_unregister_net_hooks+0xcb/0x140 net/netfilter/core.c:606 nf_ct_netns_do_put net/netfilter/nf_conntrack_proto.c:534 [inline] nf_ct_netns_put+0x3b9/0x520 net/netfilter/nf_conntrack_proto.c:619 nf_tables_expr_destroy net/netfilter/nf_tables_api.c:3650 [inline] nf_tables_rule_destroy net/netfilter/nf_tables_api.c:4123 [inline] nf_tables_rule_release net/netfilter/nf_tables_api.c:4135 [inline] __nft_release_table+0x569/0x1200 net/netfilter/nf_tables_api.c:12029 nft_rcv_nl_event+0xcc3/0xe60 net/netfilter/nf_tables_api.c:12113 notifier_call_chain+0x1a5/0x3d0 kernel/notifier.c:85 blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:380 netlink_release+0x11f8/0x1a80 net/netlink/af_netlink.c:762 __sock_release net/socket.c:710 [inline] sock_close+0xad/0x220 net/socket.c:1501 __fput+0x418/0xa50 fs/file_table.c:512 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45d3b9de59 RSP: 002b:00007ffd294b0448 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f45d3e27da0 RCX: 00007f45d3b9de59 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f45d3e27da0 R08: 0000000000000006 R09: 0000000000000000 R10: 00007f45d3e27cb0 R11: 0000000000000246 R12: 0000000000083498 R13: 00007f45d3e2609c R14: 000000000008325a R15: 00007f45d3e26090 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:1c, 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: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:1c, 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:0c, vlan:0)