bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:d4:7e:66:3e:39, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P20388/1:b..l rcu: (detected by 1, t=10503 jiffies, g=79585, q=2095 ncpus=2) task:syz.0.3779 state:R running task stack:25600 pid:20388 tgid:20388 ppid:16809 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x15dd/0x52d0 kernel/sched/core.c:6908 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7235 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:nl80211_netlink_notify+0x33c/0x840 net/wireless/nl80211.c:21634 Code: 0f 84 3b 02 00 00 48 89 5c 24 10 48 8b 44 24 08 48 05 60 04 00 00 48 89 44 24 30 49 bd 00 00 00 00 00 fc ff df 43 0f b6 04 2c <84> c0 0f 85 53 01 00 00 4c 8d 75 f0 48 8b 04 24 8b 30 4c 89 f7 e8 RSP: 0018:ffffc9000c6b7aa8 EFLAGS: 00000293 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88802eabbd00 RDX: 0000000000000000 RSI: ffffffff8def5518 RDI: ffffffff8c27b580 RBP: ffff88807bc82010 R08: ffffffff901195b7 R09: 1ffffffff20232b6 R10: dffffc0000000000 R11: fffffbfff20232b7 R12: 1ffff920018d6f91 R13: dffffc0000000000 R14: ffff888035682000 R15: 0000000000000000 notifier_call_chain+0x1be/0x400 kernel/notifier.c:85 blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:380 netlink_release+0x123b/0x1ad0 net/netlink/af_netlink.c:761 __sock_release net/socket.c:662 [inline] sock_close+0xc3/0x240 net/socket.c:1455 __fput+0x44f/0xa70 fs/file_table.c:469 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:67 [inline] exit_to_user_mode_loop+0xed/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: 0033:0x7f6d38d9c799 RSP: 002b:00007ffec1ec4598 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f6d39017da0 RCX: 00007f6d38d9c799 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f6d39017da0 R08: 00007f6d39016038 R09: 0000000000000000 R10: 00000000003ffbcc R11: 0000000000000246 R12: 000000000006f217 R13: 00007f6d3901609c R14: 000000000006f1ec R15: 00007f6d39016090 net_ratelimit: 15907 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:26:d4:7e:66:3e:39, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:d4:7e:66:3e:39, 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:1b, vlan:0) net_ratelimit: 18147 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:26:d4:7e:66:3e:39, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:d4:7e:66:3e:39, 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:1b, vlan:0)