UBSAN: object-size-mismatch in wg_xmit IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready ================================================================================ UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2039:28 member access within address ffffc90000ab71c0 with insufficient space for an object of type 'struct sk_buff' CPU: 0 PID: 108 Comm: kworker/0:2 Not tainted 5.10.107-syzkaller-00363-gb6079b142e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x1d lib/dump_stack.c:135 ubsan_epilogue lib/ubsan.c:148 [inline] handle_object_size_mismatch lib/ubsan.c:297 [inline] ubsan_type_mismatch_common+0x1ed/0x3a0 lib/ubsan.c:310 __ubsan_handle_type_mismatch_v1+0x5b/0x70 lib/ubsan.c:339 __skb_queue_before include/linux/skbuff.h:2039 [inline] __skb_queue_tail include/linux/skbuff.h:2072 [inline] wg_xmit+0x4a2/0xae0 drivers/net/wireguard/device.c:185 __netdev_start_xmit include/linux/netdevice.h:4831 [inline] netdev_start_xmit+0x8a/0x160 include/linux/netdevice.h:4845 xmit_one net/core/dev.c:3591 [inline] dev_hard_start_xmit+0x18d/0x2f0 net/core/dev.c:3607 __dev_queue_xmit+0x100c/0x1c30 net/core/dev.c:4173 dev_queue_xmit+0x17/0x20 net/core/dev.c:4206 neigh_connected_output+0x288/0x2b0 net/core/neighbour.c:1531 neigh_output include/net/neighbour.h:524 [inline] ip6_finish_output2+0xde2/0x1440 net/ipv6/ip6_output.c:145 __ip6_finish_output+0x3e4/0x520 net/ipv6/ip6_output.c:210 ip6_finish_output+0x3f/0x220 net/ipv6/ip6_output.c:220 NF_HOOK_COND include/linux/netfilter.h:293 [inline] ip6_output+0x1f8/0x4b0 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:443 [inline] NF_HOOK+0xdd/0x280 include/linux/netfilter.h:304 ndisc_send_skb+0x646/0x9f0 net/ipv6/ndisc.c:508 ndisc_send_rs+0x26c/0x360 net/ipv6/ndisc.c:702 addrconf_dad_completed+0x4f3/0x9f0 net/ipv6/addrconf.c:4241 addrconf_dad_work+0x9c1/0x1520 process_one_work+0x3ca/0x660 kernel/workqueue.c:2298 worker_thread+0x709/0xa20 kernel/workqueue.c:2444 kthread+0x389/0x3c0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 ================================================================================ ================================================================================ UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1932:2 member access within address ffffc90000ab71c0 with insufficient space for an object of type 'struct sk_buff' CPU: 0 PID: 108 Comm: kworker/0:2 Not tainted 5.10.107-syzkaller-00363-gb6079b142e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x1d lib/dump_stack.c:135 ubsan_epilogue lib/ubsan.c:148 [inline] handle_object_size_mismatch lib/ubsan.c:297 [inline] ubsan_type_mismatch_common+0x1ed/0x3a0 lib/ubsan.c:310 __ubsan_handle_type_mismatch_v1+0x5b/0x70 lib/ubsan.c:339 __skb_insert include/linux/skbuff.h:1932 [inline] __skb_queue_before include/linux/skbuff.h:2039 [inline] __skb_queue_tail include/linux/skbuff.h:2072 [inline] wg_xmit+0x513/0xae0 drivers/net/wireguard/device.c:185 __netdev_start_xmit include/linux/netdevice.h:4831 [inline] netdev_start_xmit+0x8a/0x160 include/linux/netdevice.h:4845 xmit_one net/core/dev.c:3591 [inline] dev_hard_start_xmit+0x18d/0x2f0 net/core/dev.c:3607 __dev_queue_xmit+0x100c/0x1c30 net/core/dev.c:4173 dev_queue_xmit+0x17/0x20 net/core/dev.c:4206 neigh_connected_output+0x288/0x2b0 net/core/neighbour.c:1531 neigh_output include/net/neighbour.h:524 [inline] ip6_finish_output2+0xde2/0x1440 net/ipv6/ip6_output.c:145 __ip6_finish_output+0x3e4/0x520 net/ipv6/ip6_output.c:210 ip6_finish_output+0x3f/0x220 net/ipv6/ip6_output.c:220 NF_HOOK_COND include/linux/netfilter.h:293 [inline] ip6_output+0x1f8/0x4b0 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:443 [inline] NF_HOOK+0xdd/0x280 include/linux/netfilter.h:304 ndisc_send_skb+0x646/0x9f0 net/ipv6/ndisc.c:508 ndisc_send_rs+0x26c/0x360 net/ipv6/ndisc.c:702 addrconf_dad_completed+0x4f3/0x9f0 net/ipv6/addrconf.c:4241 addrconf_dad_work+0x9c1/0x1520 process_one_work+0x3ca/0x660 kernel/workqueue.c:2298 worker_thread+0x709/0xa20 kernel/workqueue.c:2444 kthread+0x389/0x3c0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 ================================================================================ Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. 2022/03/22 22:41:44 fuzzer started 2022/03/22 22:41:45 connecting to host at 10.128.0.163:36101 2022/03/22 22:41:45 checking machine... 2022/03/22 22:41:45 checking revisions... 2022/03/22 22:41:45 testing simple program... [ 19.316147][ T23] audit: type=1400 audit(1647988905.259:73): avc: denied { getattr } for pid=362 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 19.319855][ T23] audit: type=1400 audit(1647988905.259:74): avc: denied { read } for pid=362 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 19.323558][ T23] audit: type=1400 audit(1647988905.259:75): avc: denied { open } for pid=362 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 19.327256][ T23] audit: type=1400 audit(1647988905.269:76): avc: denied { read } for pid=362 comm="syz-fuzzer" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 19.334004][ T23] audit: type=1400 audit(1647988905.269:77): avc: denied { open } for pid=362 comm="syz-fuzzer" path="/dev/raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 19.335781][ T371] cgroup: Unknown subsys name 'net' [ 19.345764][ T23] audit: type=1400 audit(1647988905.279:78): avc: denied { mounton } for pid=371 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1136 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 19.373721][ T23] audit: type=1400 audit(1647988905.279:79): avc: denied { mount } for pid=371 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 19.373996][ T371] cgroup: Unknown subsys name 'devices' [ 19.395962][ T23] audit: type=1400 audit(1647988905.289:80): avc: denied { unmount } for pid=371 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 19.504597][ T371] cgroup: Unknown subsys name 'hugetlb' [ 19.510255][ T371] cgroup: Unknown subsys name 'rlimit' [ 19.663945][ T23] audit: type=1400 audit(1647988905.609:81): avc: denied { setattr } for pid=371 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 19.690992][ T23] audit: type=1400 audit(1647988905.639:82): avc: denied { execmem } for pid=372 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.743417][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.750597][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 19.758227][ T373] device bridge_slave_0 entered promiscuous mode [ 19.765096][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 19.772116][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.779516][ T373] device bridge_slave_1 entered promiscuous mode [ 19.809929][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 19.816981][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 19.824281][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.831391][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 19.849867][ T67] bridge0: port 1(bridge_slave_0) entered disabled state [ 19.857643][ T67] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.865143][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 19.872514][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 19.893798][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 19.902267][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 19.910754][ T67] bridge0: port 1(bridge_slave_0) entered blocking state [ 19.917903][ T67] bridge0: port 1(bridge_slave_0) entered forwarding state [ 19.926234][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 19.934492][ T67] bridge0: port 2(bridge_slave_1) entered blocking state [ 19.941498][ T67] bridge0: port 2(bridge_slave_1) entered forwarding state [ 19.948887][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 19.956805][ T67] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 19.973212][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 19.981534][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 19.990274][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 19.998327][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 20.015186][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 20.025700][ T108] ================================================================================ [ 20.035003][ T108] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2039:28 [ 20.042802][ T108] member access within address ffffc90000ab71c0 with insufficient space [ 20.051253][ T108] for an object of type 'struct sk_buff' [ 20.056911][ T108] CPU: 0 PID: 108 Comm: kworker/0:2 Not tainted 5.10.107-syzkaller-00363-gb6079b142e3d #0 [ 20.066780][ T108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.076842][ T108] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.082801][ T108] Call Trace: [ 20.086085][ T108] dump_stack_lvl+0x1e2/0x24b [ 20.090753][ T108] ? show_regs_print_info+0x18/0x18 [ 20.095941][ T108] ? wg_allowedips_lookup_dst+0x190/0x190 [ 20.101663][ T108] dump_stack+0x15/0x1d [ 20.105838][ T108] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 20.111557][ T108] ? __sanitizer_cov_trace_switch+0x74/0x90 [ 20.117437][ T108] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 20.123400][ T108] wg_xmit+0x4a2/0xae0 [ 20.127447][ T108] ? wg_stop+0x5d0/0x5d0 [ 20.131685][ T108] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 20.137913][ T108] netdev_start_xmit+0x8a/0x160 [ 20.142744][ T108] dev_hard_start_xmit+0x18d/0x2f0 [ 20.147835][ T108] __dev_queue_xmit+0x100c/0x1c30 [ 20.152841][ T108] ? dev_queue_xmit+0x20/0x20 [ 20.157587][ T108] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.163817][ T108] ? ndisc_constructor+0x690/0x8a0 [ 20.168953][ T108] ? _raw_write_unlock_bh+0x31/0x47 [ 20.174134][ T108] ? ___neigh_create+0x162d/0x1ab0 [ 20.179226][ T108] ? dev_hard_header+0xdb/0xf0 [ 20.185361][ T108] dev_queue_xmit+0x17/0x20 [ 20.190012][ T108] neigh_connected_output+0x288/0x2b0 [ 20.195538][ T108] ip6_finish_output2+0xde2/0x1440 [ 20.200734][ T108] ? __rcu_read_lock+0x50/0x50 [ 20.205525][ T108] ? __ip6_finish_output+0x520/0x520 [ 20.210802][ T108] ? dst_cow_metrics_generic+0x55/0x1d0 [ 20.216329][ T108] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.222560][ T108] ? ip6_skb_dst_mtu+0xaf/0x260 [ 20.227408][ T108] __ip6_finish_output+0x3e4/0x520 [ 20.232499][ T108] ip6_finish_output+0x3f/0x220 [ 20.237796][ T108] ? ip6_output+0x1d3/0x4b0 [ 20.242301][ T108] ip6_output+0x1f8/0x4b0 [ 20.246607][ T108] ? asan.module_dtor+0x20/0x20 [ 20.251433][ T108] ? skb_dst+0x40/0x40 [ 20.255492][ T108] ? __rcu_read_lock+0x50/0x50 [ 20.260373][ T108] ? selinux_ipv6_forward+0x50/0x50 [ 20.265553][ T108] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 20.271251][ T108] ? nf_hook_slow+0x150/0x1b0 [ 20.275918][ T108] NF_HOOK+0xdd/0x280 [ 20.279881][ T108] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 20.285486][ T108] ? NF_HOOK+0x280/0x280 [ 20.289705][ T108] ? __rcu_read_lock+0x50/0x50 [ 20.294442][ T108] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.300744][ T108] ? ndisc_send_skb+0x547/0x9f0 [ 20.305601][ T108] ? memcpy+0x56/0x70 [ 20.309592][ T108] ndisc_send_skb+0x646/0x9f0 [ 20.314259][ T108] ? slab_post_alloc_hook+0x90/0xa0 [ 20.319528][ T108] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 20.325059][ T108] ? skb_set_owner_w+0x1a8/0x310 [ 20.329988][ T108] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 20.335693][ T108] ? skb_put+0x11d/0x210 [ 20.339936][ T108] ndisc_send_rs+0x26c/0x360 [ 20.344612][ T108] addrconf_dad_completed+0x4f3/0x9f0 [ 20.349961][ T108] ? addrconf_dad_stop+0x430/0x430 [ 20.355049][ T108] addrconf_dad_work+0x9c1/0x1520 [ 20.360143][ T108] ? move_linked_works+0x118/0x130 [ 20.365236][ T108] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 20.370935][ T108] ? __kasan_check_write+0x14/0x20 [ 20.376023][ T108] process_one_work+0x3ca/0x660 [ 20.380850][ T108] worker_thread+0x709/0xa20 [ 20.385442][ T108] ? __kthread_parkme+0x11b/0x150 [ 20.390479][ T108] kthread+0x389/0x3c0 [ 20.394538][ T108] ? pr_cont_work+0x110/0x110 [ 20.399208][ T108] ? __list_add+0xc0/0xc0 [ 20.403529][ T108] ret_from_fork+0x1f/0x30 [ 20.407959][ T108] ================================================================================ [ 20.417246][ T108] ================================================================================ [ 20.426570][ T108] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1932:2 [ 20.434321][ T108] member access within address ffffc90000ab71c0 with insufficient space [ 20.442646][ T108] for an object of type 'struct sk_buff' [ 20.448420][ T108] CPU: 0 PID: 108 Comm: kworker/0:2 Not tainted 5.10.107-syzkaller-00363-gb6079b142e3d #0 2022/03/22 22:41:46 building call list... [ 20.458305][ T108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.468370][ T108] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.474353][ T108] Call Trace: [ 20.477633][ T108] dump_stack_lvl+0x1e2/0x24b [ 20.482370][ T108] ? show_regs_print_info+0x18/0x18 [ 20.487565][ T108] ? wg_allowedips_lookup_dst+0x190/0x190 [ 20.493273][ T108] dump_stack+0x15/0x1d [ 20.497413][ T108] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 20.503250][ T108] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 20.509240][ T108] wg_xmit+0x513/0xae0 [ 20.513304][ T108] ? wg_stop+0x5d0/0x5d0 [ 20.517540][ T108] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 20.523769][ T108] netdev_start_xmit+0x8a/0x160 [ 20.528617][ T108] dev_hard_start_xmit+0x18d/0x2f0 [ 20.533900][ T108] __dev_queue_xmit+0x100c/0x1c30 [ 20.538921][ T108] ? dev_queue_xmit+0x20/0x20 [ 20.543589][ T108] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.549992][ T108] ? ndisc_constructor+0x690/0x8a0 [ 20.555099][ T108] ? _raw_write_unlock_bh+0x31/0x47 [ 20.560288][ T108] ? ___neigh_create+0x162d/0x1ab0 [ 20.565601][ T108] ? dev_hard_header+0xdb/0xf0 [ 20.570372][ T108] dev_queue_xmit+0x17/0x20 [ 20.574858][ T108] neigh_connected_output+0x288/0x2b0 [ 20.580227][ T108] ip6_finish_output2+0xde2/0x1440 [ 20.585333][ T108] ? __rcu_read_lock+0x50/0x50 [ 20.590090][ T108] ? __ip6_finish_output+0x520/0x520 [ 20.595367][ T108] ? dst_cow_metrics_generic+0x55/0x1d0 [ 20.601194][ T108] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.607992][ T108] ? ip6_skb_dst_mtu+0xaf/0x260 [ 20.613115][ T108] __ip6_finish_output+0x3e4/0x520 [ 20.618216][ T108] ip6_finish_output+0x3f/0x220 [ 20.623065][ T108] ? ip6_output+0x1d3/0x4b0 [ 20.627574][ T108] ip6_output+0x1f8/0x4b0 [ 20.631898][ T108] ? asan.module_dtor+0x20/0x20 [ 20.636741][ T108] ? skb_dst+0x40/0x40 [ 20.640794][ T108] ? __rcu_read_lock+0x50/0x50 [ 20.645556][ T108] ? selinux_ipv6_forward+0x50/0x50 [ 20.650740][ T108] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 20.656455][ T108] ? nf_hook_slow+0x150/0x1b0 [ 20.661130][ T108] NF_HOOK+0xdd/0x280 [ 20.665108][ T108] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 20.670732][ T108] ? NF_HOOK+0x280/0x280 [ 20.675048][ T108] ? __rcu_read_lock+0x50/0x50 [ 20.680079][ T108] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 20.686345][ T108] ? ndisc_send_skb+0x547/0x9f0 [ 20.691208][ T108] ? memcpy+0x56/0x70 [ 20.695197][ T108] ndisc_send_skb+0x646/0x9f0 [ 20.699858][ T108] ? slab_post_alloc_hook+0x90/0xa0 [ 20.705063][ T108] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 20.710613][ T108] ? skb_set_owner_w+0x1a8/0x310 [ 20.715536][ T108] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 20.721235][ T108] ? skb_put+0x11d/0x210 [ 20.725479][ T108] ndisc_send_rs+0x26c/0x360 [ 20.730059][ T108] addrconf_dad_completed+0x4f3/0x9f0 [ 20.735414][ T108] ? addrconf_dad_stop+0x430/0x430 [ 20.740523][ T108] addrconf_dad_work+0x9c1/0x1520 [ 20.745555][ T108] ? move_linked_works+0x118/0x130 [ 20.750755][ T108] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 20.756472][ T108] ? __kasan_check_write+0x14/0x20 [ 20.761826][ T108] process_one_work+0x3ca/0x660 [ 20.766796][ T108] worker_thread+0x709/0xa20 [ 20.771389][ T108] ? __kthread_parkme+0x11b/0x150 [ 20.776403][ T108] kthread+0x389/0x3c0 [ 20.780551][ T108] ? pr_cont_work+0x110/0x110 [ 20.785223][ T108] ? __list_add+0xc0/0xc0 [ 20.789551][ T108] ret_from_fork+0x1f/0x30 [ 20.794000][ T108] ================================================================================ [ 21.283087][ T9] device bridge_slave_1 left promiscuous mode [ 21.289239][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.297246][ T9] device bridge_slave_0 left promiscuous mode [ 21.303564][ T9] bridge0: port 1(bridge_slave_0) entered disabled state