DUID 00:04:00:dd:10:da:7f:85:b5:90:fb:fd:97:ac:66:d6:08:36
forked to background, child pid 3174
[ 30.406899][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0
[ 30.416859][ T3175] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts.
2022/02/10 09:37:15 fuzzer started
2022/02/10 09:37:16 connecting to host at 10.128.0.169:35715
2022/02/10 09:37:16 checking machine...
2022/02/10 09:37:16 checking revisions...
2022/02/10 09:37:16 testing simple program...
syzkaller login: [ 51.967311][ T3594] cgroup: Unknown subsys name 'net'
[ 52.114828][ T3594] cgroup: Unknown subsys name 'rlimit'
[ 53.325832][ T3601] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 53.333870][ T3601] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 53.342216][ T3601] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 53.351768][ T3601] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 53.359886][ T3601] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 53.378271][ T3601] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 53.469667][ T3597] chnl_net:caif_netlink_parms(): no params data found
[ 53.514291][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.522223][ T3597] bridge0: port 1(bridge_slave_0) entered disabled state
[ 53.530794][ T3597] device bridge_slave_0 entered promiscuous mode
[ 53.540344][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.548073][ T3597] bridge0: port 2(bridge_slave_1) entered disabled state
[ 53.556090][ T3597] device bridge_slave_1 entered promiscuous mode
[ 53.577085][ T3597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 53.590067][ T3597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 53.613855][ T3597] team0: Port device team_slave_0 added
[ 53.621985][ T3597] team0: Port device team_slave_1 added
[ 53.640311][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 53.647611][ T3597] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 53.674406][ T3597] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 53.687450][ T3597] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 53.694676][ T3597] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 53.722478][ T3597] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 53.747535][ T3597]
[ 53.750001][ T3597] =============================
[ 53.754849][ T3597] WARNING: suspicious RCU usage
[ 53.759833][ T3597] 5.17.0-rc2-syzkaller-00903-g45230829827b #0 Not tainted
[ 53.766947][ T3597] -----------------------------
[ 53.771840][ T3597] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage!
[ 53.780129][ T3597]
[ 53.780129][ T3597] other info that might help us debug this:
[ 53.780129][ T3597]
[ 53.790594][ T3597]
[ 53.790594][ T3597] rcu_scheduler_active = 2, debug_locks = 1
[ 53.798896][ T3597] 2 locks held by syz-executor.0/3597:
[ 53.804409][ T3597] #0: ffffffff8d32ca28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80
[ 53.814289][ T3597] #1: ffff888073fa55f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650
[ 53.824741][ T3597]
[ 53.824741][ T3597] stack backtrace:
[ 53.831045][ T3597] CPU: 1 PID: 3597 Comm: syz-executor.0 Not tainted 5.17.0-rc2-syzkaller-00903-g45230829827b #0
[ 53.842052][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.852279][ T3597] Call Trace:
[ 53.855582][ T3597] <TASK>
[ 53.859043][ T3597] dump_stack_lvl+0xcd/0x134
[ 53.863632][ T3597] hsr_node_get_first+0x9b/0xb0
[ 53.868507][ T3597] hsr_create_self_node+0x22d/0x650
[ 53.874156][ T3597] hsr_dev_finalize+0x2c1/0x7d0
[ 53.879012][ T3597] hsr_newlink+0x315/0x730
[ 53.883496][ T3597] ? hsr_dellink+0x130/0x130
[ 53.888098][ T3597] ? rtnl_create_link+0x7e8/0xc00
[ 53.893268][ T3597] ? hsr_dellink+0x130/0x130
[ 53.897949][ T3597] __rtnl_newlink+0x107c/0x1760
[ 53.902867][ T3597] ? rtnl_setlink+0x3c0/0x3c0
[ 53.907741][ T3597] ? is_bpf_text_address+0x77/0x170
[ 53.913136][ T3597] ? lock_downgrade+0x6e0/0x6e0
[ 53.918254][ T3597] ? unwind_next_frame+0xee1/0x1ce0
[ 53.924612][ T3597] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 53.930943][ T3597] ? __sanitizer_cov_trace_cmp4+0x1c/0x70
[ 53.936837][ T3597] ? is_bpf_text_address+0x99/0x170
[ 53.942177][ T3597] ? kernel_text_address+0x39/0x80
[ 53.948179][ T3597] ? __kernel_text_address+0x9/0x30
[ 53.953416][ T3597] ? unwind_get_return_address+0x51/0x90
[ 53.959065][ T3597] ? create_prof_cpu_mask+0x20/0x20
[ 53.964356][ T3597] ? arch_stack_walk+0x93/0xe0
[ 53.969254][ T3597] ? rcu_read_lock_sched_held+0x3a/0x70
[ 53.974790][ T3597] rtnl_newlink+0x64/0xa0
[ 53.979161][ T3597] ? __rtnl_newlink+0x1760/0x1760
[ 53.984388][ T3597] rtnetlink_rcv_msg+0x413/0xb80
[ 53.989414][ T3597] ? rtnl_newlink+0xa0/0xa0
[ 53.994007][ T3597] netlink_rcv_skb+0x153/0x420
[ 53.998862][ T3597] ? rtnl_newlink+0xa0/0xa0
[ 54.003885][ T3597] ? netlink_ack+0xa60/0xa60
[ 54.008560][ T3597] ? netlink_deliver_tap+0x1a2/0xc40
[ 54.013948][ T3597] ? netlink_deliver_tap+0x1b1/0xc40
[ 54.020086][ T3597] netlink_unicast+0x539/0x7e0
[ 54.024854][ T3597] ? netlink_attachskb+0x880/0x880
[ 54.029974][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 54.038078][ T3597] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 54.044448][ T3597] ? __phys_addr_symbol+0x2c/0x70
[ 54.049828][ T3597] ? __sanitizer_cov_trace_cmp8+0x1d/0x70
[ 54.055806][ T3597] ? __check_object_size+0x16e/0x310
[ 54.061758][ T3597] netlink_sendmsg+0x904/0xe00
[ 54.066541][ T3597] ? netlink_unicast+0x7e0/0x7e0
[ 54.071771][ T3597] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 54.078289][ T3597] ? netlink_unicast+0x7e0/0x7e0
[ 54.083308][ T3597] sock_sendmsg+0xcf/0x120
[ 54.087826][ T3597] __sys_sendto+0x21c/0x320
[ 54.092332][ T3597] ? __ia32_sys_getpeername+0xb0/0xb0
[ 54.097791][ T3597] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 54.103814][ T3597] ? __context_tracking_exit+0xb8/0xe0
[ 54.109388][ T3597] ? lock_downgrade+0x6e0/0x6e0
[ 54.114437][ T3597] ? lock_downgrade+0x6e0/0x6e0
[ 54.119465][ T3597] __x64_sys_sendto+0xdd/0x1b0
[ 54.124329][ T3597] ? lockdep_hardirqs_on+0x79/0x100
[ 54.129615][ T3597] ? syscall_enter_from_user_mode+0x21/0x70
[ 54.135504][ T3597] do_syscall_64+0x35/0xb0
[ 54.139936][ T3597] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 54.146007][ T3597] RIP: 0033:0x7fca68e2ae1c
[ 54.150417][ T3597] Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b
[ 54.170624][ T3597] RSP: 002b:00007ffcd2955580 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
[ 54.179584][ T3597] RAX: ffffffffffffffda RBX: 00007fca69ec3320 RCX: 00007fca68e2ae1c
[ 54.187979][ T3597] RDX: 0000000000000048 RSI: 00007fca69ec3370 RDI: 0000000000000003
[ 54.196029][ T3597] RBP: 0000000000000000 R08: 00007ffcd29555d4 R09: 000000000000000c
[ 54.204252][ T3597] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
[ 54.212392][ T3597] R13: 00007fca69ec3370 R14: 0000000000000003 R15: 0000000000000000
[ 54.220638][ T3597] </TASK>
[ 54.229164][ T3597] device hsr_slave_0 entered promiscuous mode
[ 54.238149][ T3597] device hsr_slave_1 entered promiscuous mode
[ 54.349903][ T3597] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 54.361376][ T3597] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 54.370471][ T3597] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 54.380411][ T3597] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 54.403220][ T3597] bridge0: port 2(bridge_slave_1) entered blocking state
[ 54.411043][ T3597] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 54.419242][ T3597] bridge0: port 1(bridge_slave_0) entered blocking state
[ 54.426425][ T3597] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 54.476364][ T3597] 8021q: adding VLAN 0 to HW filter on device bond0
[ 54.490710][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 54.502160][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state
[ 54.516546][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state
[ 54.526376][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 54.541015][ T3597] 8021q: adding VLAN 0 to HW filter on device team0
[ 54.550484][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 54.560155][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 54.569164][ T1142] bridge0: port 1(bridge_slave_0) entered blocking state
[ 54.576326][ T1142] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 54.598761][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 54.607722][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 54.616963][ T1142] bridge0: port 2(bridge_slave_1) entered blocking state
[ 54.624271][ T1142] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 54.632040][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 54.641180][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 54.649882][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 54.660009][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 54.668638][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 54.677119][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 54.686752][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 54.696546][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 54.706229][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 54.718371][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 54.726700][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 54.737754][ T3597] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 54.755832][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 54.763514][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
executing program
[ 54.777748][ T3597] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 54.898209][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 54.906800][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 54.917522][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 54.927269][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 54.935571][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 54.944462][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 54.955114][ T3597] device veth0_vlan entered promiscuous mode
[ 54.966221][ T3597] device veth1_vlan entered promiscuous mode
[ 54.984552][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 54.992707][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 55.000987][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 55.009615][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 55.021762][ T3597] device veth0_macvtap entered promiscuous mode
[ 55.031841][ T3597] device veth1_macvtap entered promiscuous mode
[ 55.045825][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 55.054882][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 55.063761][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 55.071698][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 55.080694][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 55.092621][ T3597] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 55.101392][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 55.110544][ T1142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 55.123081][ T3597] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 55.132480][ T3597] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 55.143111][ T3597] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 55.153043][ T3597] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 55.216296][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 55.230265][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 55.241318][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 55.255462][ T54] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 55.264064][ T54] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 55.273388][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2022/02/10 09:37:19 building call list...
[ 55.526378][ T54] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 57.577666][ T3591] can: request_module (can-proto-0) failed.
[ 57.601210][ T3591] can: request_module (can-proto-0) failed.
[ 57.622371][ T3591] can: request_module (can-proto-0) failed.
executing program
[ 58.042245][ T3597] syz-executor.0 (3597) used greatest stack depth: 22400 bytes left
[ 58.120524][ T54] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0