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): P22085/1:b..l rcu: (detected by 0, t=10503 jiffies, g=75861, q=2548 ncpus=2) task:syz.9.4572 state:R running task stack:25960 pid:22085 tgid:22085 ppid:21317 task_flags:0x400040 flags:0x00080003 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:bpf_tree_comp kernel/bpf/core.c:614 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:210 [inline] RIP: 0010:bpf_ksym_find kernel/bpf/core.c:712 [inline] RIP: 0010:is_bpf_text_address+0x138/0x2b0 kernel/bpf/core.c:745 Code: 2c 5b 48 f7 dd 4d 8d 24 2f 49 81 c4 e0 fd ff ff 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 cc a4 56 00 4d 8b 24 24 <4c> 89 e7 4c 89 f6 e8 fd f1 f0 ff 4d 39 f4 76 0c e8 93 ef f0 ff b8 RSP: 0018:ffffc9000c3a72f0 EFLAGS: 00000246 RAX: 1ffff11005a50241 RBX: 0000000000000000 RCX: ffff888075eddac0 RDX: 0000000000000000 RSI: ffffffff8bbf0440 RDI: ffffffff8bbf0400 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81cf1336 R10: ffffc9000c3a73d8 R11: ffffffff81ac2cb0 R12: ffffffffa02019f0 R13: dffffc0000000000 R14: 00007fa625dc3709 R15: ffff88802d281428 kernel_text_address+0xa5/0xe0 kernel/extable.c:125 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0xfc/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 __kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:587 kasan_save_free_info mm/kasan/kasan.h:406 [inline] poison_slab_object mm/kasan/common.c:252 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284 kasan_slab_free include/linux/kasan.h:234 [inline] slab_free_hook mm/slub.c:2530 [inline] slab_free mm/slub.c:6619 [inline] kfree+0x19a/0x6d0 mm/slub.c:6826 free_slab_obj_exts mm/slub.c:2194 [inline] unaccount_slab mm/slub.c:3187 [inline] __free_slab+0xb9/0x1a0 mm/slub.c:3287 __slab_free+0x2e7/0x390 mm/slub.c:5954 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:352 kasan_slab_alloc include/linux/kasan.h:252 [inline] slab_post_alloc_hook mm/slub.c:4962 [inline] slab_alloc_node mm/slub.c:5272 [inline] kmem_cache_alloc_node_noprof+0x433/0x710 mm/slub.c:5324 alloc_task_struct_node kernel/fork.c:184 [inline] dup_task_struct+0x52/0x830 kernel/fork.c:873 copy_process+0x54b/0x3c00 kernel/fork.c:2012 kernel_clone+0x21e/0x840 kernel/fork.c:2609 __do_sys_clone3 kernel/fork.c:2911 [inline] __se_sys_clone3+0x256/0x2d0 kernel/fork.c:2890 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa625dc3709 RSP: 002b:00007ffe29882618 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fa625d45b10 RCX: 00007fa625dc3709 RDX: 00007fa625d45b10 RSI: 0000000000000058 RDI: 00007ffe29882660 RBP: 00007fa626c806c0 R08: 00007fa626c806c0 R09: 00007ffe29882747 R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffa8 R13: 000000000000006e R14: 00007ffe29882660 R15: 00007ffe29882748 net_ratelimit: 14591 callbacks suppressed 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 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: 15850 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:1b, 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:aa:aa:aa:aa:aa:0c, vlan:0)