bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P30549/1:b..l rcu: (detected by 1, t=10503 jiffies, g=196417, q=1195 ncpus=2) task:syz-executor state:R running task stack:22448 pid:30549 tgid:30549 ppid:30536 task_flags:0x400140 flags:0x00080000 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:lock_release+0x2d7/0x3c0 kernel/locking/lockdep.c:5893 Code: 7d ca 11 00 00 00 00 eb b5 e8 c5 dd 2c 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 b5 38 ca 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 9a de 2f 0a cc 48 8d 3d 72 b1 b8 RSP: 0018:ffffc90004f2efc8 EFLAGS: 00000282 RAX: 96da21274f945000 RBX: 0000000000000206 RCX: 0000000000000046 RDX: 0000000000000002 RSI: ffffffff8e4af75f RDI: ffffffff8c4bd380 RBP: ffff888030f32af0 R08: ffffc90004f2f1d0 R09: 0000000000000000 R10: ffffc90004f2f0f8 R11: fffff520009e5e21 R12: 0000000000000002 R13: 0000000000000002 R14: ffffffff8eb59c60 R15: ffff888030f31f00 rcu_lock_release include/linux/rcupdate.h:310 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1183 [inline] unwind_next_frame+0x1baa/0x2550 arch/x86/kernel/unwind_orc.c:709 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_kmalloc+0x22/0xb0 mm/kasan/common.c:406 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5362 [inline] __kmalloc_node_noprof+0x4c8/0x740 mm/slub.c:5374 _kmalloc_node_noprof include/linux/slab.h:1178 [inline] __vmalloc_area_node mm/vmalloc.c:3871 [inline] __vmalloc_node_range_noprof+0x5d9/0x1730 mm/vmalloc.c:4082 __vmalloc_node_noprof mm/vmalloc.c:4143 [inline] vzalloc_noprof+0xb2/0xe0 mm/vmalloc.c:4221 alloc_counters+0x63/0x5c0 net/ipv4/netfilter/ip_tables.c:799 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:821 [inline] get_entries net/ipv4/netfilter/ip_tables.c:1020 [inline] do_ipt_get_ctl+0xb3c/0x1300 net/ipv4/netfilter/ip_tables.c:1669 nf_getsockopt+0x26e/0x290 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x19e/0x230 net/ipv4/ip_sockglue.c:1777 do_sock_getsockopt+0x51d/0x7e0 net/socket.c:2474 __sys_getsockopt net/socket.c:2505 [inline] __do_sys_getsockopt net/socket.c:2512 [inline] __se_sys_getsockopt net/socket.c:2509 [inline] __x64_sys_getsockopt+0x1a4/0x240 net/socket.c:2509 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: 0033:0x7eff66f9f66a RSP: 002b:00007ffcbce8a7e8 EFLAGS: 00000216 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007ffcbce8a870 RCX: 00007eff66f9f66a RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007ffcbce8a80c R09: 0000000000000000 R10: 00007ffcbce8a870 R11: 0000000000000216 R12: 00007eff671edfc0 R13: 00007ffcbce8a80c R14: 0000000000000000 R15: 00007eff671f0180 bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) net_ratelimit: 4923 callbacks suppressed bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:92:09:44:9a:a1:f9, vlan:0)