bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P13804/1:b..l rcu: (detected by 0, t=10502 jiffies, g=44745, q=147645 ncpus=2) task:syz.1.2184 state:R running task stack:24104 pid:13804 tgid:13804 ppid:5837 task_flags:0x400040 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5351 [inline] __schedule+0x1737/0x4d30 kernel/sched/core.c:6954 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7281 irqentry_exit+0x6f/0x90 kernel/entry/common.c:196 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:debug_lockdep_rcu_enabled+0x2a/0x40 kernel/rcu/update.c:321 Code: f3 0f 1e fa 31 c0 83 3d 17 ac 30 04 00 74 1e 83 3d 3a dc 30 04 00 74 15 65 48 8b 0c 25 08 00 9a 92 31 c0 83 b9 ec 0a 00 00 00 <0f> 94 c0 e9 0e dd 02 00 cc cc cc cc cc cc cc cc cc cc cc cc cc cc RSP: 0018:ffffc9000b2c6d30 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffffff820d7875 RCX: ffff888030fc3c00 RDX: 0000000000000000 RSI: ffffffff8db65e8b RDI: ffffffff8be30a00 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172cd05 R10: ffffc9000b2c6e58 R11: ffffffff81ac3450 R12: 1ffff92001658dc1 R13: ffffc9000b2c6e40 R14: ffffc9000b2c6e08 R15: ffffffff8172cd05 rcu_read_lock include/linux/rcupdate.h:842 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xcb/0x2390 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf5/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1248 [inline] __free_frozen_pages+0xc71/0xe70 mm/page_alloc.c:2706 __slab_free+0x326/0x400 mm/slub.c:4554 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4148 [inline] slab_alloc_node mm/slub.c:4197 [inline] kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4204 mt_alloc_one lib/maple_tree.c:176 [inline] mas_alloc_nodes+0x2e9/0x8e0 lib/maple_tree.c:1249 mas_node_count_gfp lib/maple_tree.c:1331 [inline] mas_preallocate+0x3ad/0x6f0 lib/maple_tree.c:5534 vma_iter_prealloc mm/vma.h:463 [inline] __split_vma+0x2fa/0xa00 mm/vma.c:525 vms_gather_munmap_vmas+0x4ab/0x12b0 mm/vma.c:1375 __mmap_prepare mm/vma.c:2351 [inline] __mmap_region mm/vma.c:2607 [inline] mmap_region+0x678/0x1f30 mm/vma.c:2692 do_mmap+0xc45/0x10d0 mm/mmap.c:561 vm_mmap_pgoff+0x31b/0x4c0 mm/util.c:579 ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:607 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc2fe18eba3 RSP: 002b:00007ffd7c07aa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fc2fe3b63b8 RCX: 00007fc2fe18eba3 RDX: 0000000000000003 RSI: 0000000000400000 RDI: 00007fc2fb7b2000 RBP: 0000000000000003 R08: 00000000000000dc R09: 0000000000000000 R10: 0000000000000011 R11: 0000000000000246 R12: 00007fc2fe3b5fa0 R13: 00007fc2fe3b6320 R14: 0000000000001a31 R15: 0000000000000003 bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:20:10:00:00:00, vlan:0) net_ratelimit: 7741 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:20:10:00:00:00, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) net_ratelimit: 9081 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:20:10:00:00:00, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:17, vlan:0)