bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:76:9e:da:82:e7, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:76:9e:da:82:e7, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P23400/1:b..l rcu: (detected by 0, t=10502 jiffies, g=207609, q=6471 ncpus=2) task:syz.7.4190 state:R running task stack:24704 pid:23400 tgid:23399 ppid:21415 task_flags:0x40054c flags:0x00080003 Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0x15dd/0x52d0 kernel/sched/core.c:6911 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7238 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:__lt_find include/linux/rbtree_latch.h:-1 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:210 [inline] RIP: 0010:bpf_ksym_find kernel/bpf/core.c:716 [inline] RIP: 0010:is_bpf_text_address+0x1cc/0x2b0 kernel/bpf/core.c:749 Code: 74 08 4c 89 ff e8 e4 99 5a 00 4d 8b 3f 4d 85 ff 74 0a e8 a7 57 f0 ff e9 55 ff ff ff e8 9d 57 f0 ff 31 db eb 0e e8 94 57 f0 ff <31> db eb 09 e8 8b 57 f0 ff 4c 8b 24 24 8b 05 e1 ca 6b 0c 44 39 e0 RSP: 0018:ffffc90003d37590 EFLAGS: 00000293 RAX: ffffffff81d5494c RBX: 0000000000000000 RCX: ffff88802b50db80 RDX: 0000000000000000 RSI: ffffffff8c27c160 RDI: ffffffff8c27c120 RBP: 0000000000000001 R08: ffffffff81d547a6 R09: ffffffff8e75e520 R10: ffffc90003d37678 R11: ffffffff81b0c240 R12: 0000000000000004 R13: dffffc0000000000 R14: 00007f3e6df9c799 R15: 0000000000000000 kernel_text_address+0xa5/0xe0 kernel/extable.c:125 __kernel_text_address+0xd/0x30 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:385 arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26 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 kcov_put kernel/kcov.c:442 [inline] kcov_close+0x28/0x50 kernel/kcov.c:543 __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+0x70f/0x23c0 kernel/exit.c:976 do_group_exit+0x21b/0x2d0 kernel/exit.c:1118 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: 0033:0x7f3e6df9c799 RSP: 002b:00007f3e6ee1d028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: 0000000000010106 RBX: 00007f3e6e215fa0 RCX: 00007f3e6df9c799 RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000005 RBP: 00007f3e6e032c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3e6e216038 R14: 00007f3e6e215fa0 R15: 00007f3e6e33fa48 net_ratelimit: 11294 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:76:9e:da:82:e7, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:76:9e:da:82:e7, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:76:9e:da:82:e7, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:76:9e:da:82:e7, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:76:9e:da:82:e7, vlan:0) net_ratelimit: 12135 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:76:9e:da:82:e7, vlan:0)