bridge0: received packet on veth0_to_bridge with own address as source address (addr:0a:19:cd:92:ab:76, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P15905/1:b..l rcu: (detected by 1, t=10503 jiffies, g=54949, q=2509 ncpus=2) task:syz.1.2740 state:R running task stack:26176 pid:15905 tgid:15904 ppid:5828 task_flags:0x40054c flags:0x00080001 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7234 irqentry_exit+0x599/0x620 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__preempt_count_add kernel/rcu/tree.c:748 [inline] RIP: 0010:rcu_is_watching+0x6/0xb0 kernel/rcu/tree.c:751 Code: e8 0f ed 3f 03 eb cc 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 f3 0f 1e fa 41 57 <41> 56 53 65 ff 05 b0 1a 71 11 e8 1b c7 02 0a 89 c3 83 f8 08 73 65 RSP: 0018:ffffc900053bf488 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff8239fe71 RCX: ffff88807b8f9e40 RDX: 0000000090fa0d42 RSI: ffffffff8e163314 RDI: ffffffff8c27aa00 RBP: dffffc0000000000 R08: ffffffff81767a45 R09: ffffffff8e7602e0 R10: ffffc900053bf5b8 R11: ffffffff81b0b100 R12: 1ffff92000a77ead R13: ffffc900053bf5a0 R14: ffffc900053bf568 R15: ffffffff81767a45 rcu_read_lock include/linux/rcupdate.h:851 [inline] class_rcu_constructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0xd4/0x23c0 arch/x86/kernel/unwind_orc.c:495 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:1433 [inline] __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978 vfree+0x25a/0x400 mm/vmalloc.c:3479 xskq_destroy+0x40/0x60 net/xdp/xsk_queue.c:64 xsk_release+0x709/0x9c0 net/xdp/xsk.c:1246 __sock_release net/socket.c:662 [inline] sock_close+0xc3/0x240 net/socket.c:1455 __fput+0x44f/0xa70 fs/file_table.c:469 task_work_run+0x1d9/0x270 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x69b/0x2320 kernel/exit.c:971 do_group_exit+0x21b/0x2d0 kernel/exit.c:1112 get_signal+0x1284/0x1330 kernel/signal.c:3034 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline] do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7e2f99c799 RSP: 002b:00007f7e30870028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: 0000000000000000 RBX: 00007f7e2fc15fa0 RCX: 00007f7e2f99c799 RDX: 0000000000000002 RSI: 000000000000011b RDI: 0000000000000003 RBP: 00007f7e2fa32bd9 R08: 0000000000000004 R09: 0000000000000000 R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7e2fc16038 R14: 00007f7e2fc15fa0 R15: 00007fff570aae78 net_ratelimit: 37341 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:0a:19:cd:92:ab:76, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:0a:19:cd:92:ab:76, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:0a:19:cd:92:ab:76, vlan:0) net_ratelimit: 43809 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:0a:19:cd:92:ab:76, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:0a:19:cd:92:ab:76, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:0a:19:cd:92:ab:76, vlan:0)