bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P2330/1:b..l rcu: (detected by 1, t=10003 jiffies, g=2385, q=1169 ncpus=2) task:syz-executor state:R running task stack:0 pid:2330 tgid:2330 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5924 [inline] __schedule+0x145b/0x1f10 kernel/sched/core.c:7750 preempt_schedule_irq+0x9c/0x100 kernel/sched/core.c:8076 raw_irqentry_exit_cond_resched+0x33/0x40 kernel/entry/common.c:311 irqentry_exit+0x4a/0x60 kernel/entry/common.c:354 sysvec_apic_timer_interrupt+0x50/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0010:save_stack+0x11/0x1f0 mm/page_owner.c:165 Code: ed fe ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 <48> 83 e4 e0 48 81 ec 00 01 00 00 89 7c 24 1c 65 48 8b 04 25 28 00 RSP: 0018:ffffc9000ef8f130 EFLAGS: 00000246 RAX: 000000000180026f RBX: ffff8881085afa70 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000002800 RBP: ffffc9000ef8f158 R08: ffffea000517fb37 R09: 1ffffd4000a2ff66 R10: dffffc0000000000 R11: fffff94000a2ff67 R12: ffffea000517fb08 R13: 0000000000000000 R14: ffffea000517fb00 R15: dffffc0000000000 __reset_page_owner+0x79/0x450 mm/page_owner.c:315 reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1321 [inline] free_unref_page+0xae5/0xdd0 mm/page_alloc.c:2810 __free_pages+0x6b/0x3b0 mm/page_alloc.c:5273 __free_slab+0xb6/0x110 mm/slub.c:2726 free_slab+0x18/0xf0 mm/slub.c:2749 discard_slab mm/slub.c:2755 [inline] __put_partials+0x11b/0x150 mm/slub.c:3224 put_cpu_partial+0x91/0xc0 mm/slub.c:3299 __slab_free+0x1d3/0x2b0 mm/slub.c:4532 do_slab_free mm/slub.c:4614 [inline] ___cache_free+0xc9/0xe0 mm/slub.c:4723 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0xb5/0x130 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x180 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x28/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4164 [inline] slab_alloc_node mm/slub.c:4213 [inline] kmem_cache_alloc_lru_noprof+0x134/0x3a0 mm/slub.c:4234 __d_alloc+0x42/0x8e0 fs/dcache.c:1636 d_alloc fs/dcache.c:1716 [inline] d_alloc_parallel+0xde/0x1240 fs/dcache.c:2478 __lookup_slow+0x142/0x400 fs/namei.c:1717 lookup_slow+0x57/0x80 fs/namei.c:1749 walk_component+0x302/0x440 fs/namei.c:2053 link_path_walk+0x724/0xec0 fs/namei.c:2415 path_openat+0x281/0x34b0 fs/namei.c:3929 do_filp_open+0x1c6/0x3e0 fs/namei.c:3960 do_sys_openat2+0x12c/0x1c0 fs/open.c:1438 do_sys_open fs/open.c:1453 [inline] __do_sys_openat fs/open.c:1469 [inline] __se_sys_openat fs/open.c:1464 [inline] __x64_sys_openat+0x13a/0x170 fs/open.c:1464 x64_sys_call+0xe69/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f6596d8d211 RSP: 002b:00007ffdc5b7b7a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6596d8d211 RDX: 0000000000000000 RSI: 00007f6596e10c51 RDI: 00000000ffffff9c RBP: 00007f6596e10c51 R08: 0000000000000000 R09: 00007f6597aed6c0 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 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 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 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) net_ratelimit: 117249 callbacks suppressed 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 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 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)