bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5853/1:b..l rcu: (detected by 0, t=10503 jiffies, g=47753, q=286 ncpus=2) task:syz-executor state:R running task stack:23560 pid:5853 tgid:5853 ppid:5841 task_flags:0x400140 flags:0x00080001 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7256 irqentry_exit+0x36/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_next_frame+0xff1/0x20a0 arch/x86/kernel/unwind_orc.c:672 Code: b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 56 10 00 00 41 39 5d 00 0f 84 10 06 00 00 01 00 00 00 e9 de f3 ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 RSP: 0018:ffffc9000407f8b0 EFLAGS: 00000293 RAX: ffffc90004080001 RBX: ffffc9000407fc98 RCX: ffffc90004080001 RDX: ffffc9000407fca0 RSI: ffffc9000407fc68 RDI: ffffc9000407f930 RBP: ffffc90004078000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000012224 R12: ffffc9000407f970 R13: ffffc9000407f920 R14: ffffc9000407fc98 R15: ffffc9000407f954 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x84/0x1a0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1394 [inline] __free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2906 discard_slab mm/slub.c:3301 [inline] __put_partials+0x130/0x170 mm/slub.c:3848 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:352 kasan_slab_alloc include/linux/kasan.h:252 [inline] slab_post_alloc_hook mm/slub.c:4946 [inline] slab_alloc_node mm/slub.c:5245 [inline] kmem_cache_alloc_noprof+0x250/0x6e0 mm/slub.c:5252 alloc_empty_file+0x55/0x1e0 fs/file_table.c:237 alloc_file fs/file_table.c:354 [inline] alloc_file_pseudo+0x13a/0x230 fs/file_table.c:383 sock_alloc_file+0x50/0x210 net/socket.c:483 sock_map_fd net/socket.c:513 [inline] __sys_socket+0x1c0/0x260 net/socket.c:1756 __do_sys_socket net/socket.c:1761 [inline] __se_sys_socket net/socket.c:1759 [inline] __x64_sys_socket+0x72/0xb0 net/socket.c:1759 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe0b5f90de7 RSP: 002b:00007ffd1ebe7d38 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fe0b5f90de7 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007ffd1ebe842c R08: 0000000000000000 R09: 00007ffd1ebe8137 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000020b R13: 00000000000927c0 R14: 0000000000059b89 R15: 00007ffd1ebe8480 net_ratelimit: 15134 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) net_ratelimit: 16094 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:5e:82:b5:18:ff, vlan:0)