DUID 00:04:08:6f:95:b8:7a:da:47:d5:ae:28:d8:4d:e4:58:2e:6d
forked to background, child pid 3172
[ 30.744738][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0
[ 30.758066][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts.
2022/02/08 13:48:33 fuzzer started
2022/02/08 13:48:33 connecting to host at 10.128.0.169:40759
2022/02/08 13:48:33 checking machine...
2022/02/08 13:48:33 checking revisions...
2022/02/08 13:48:33 testing simple program...
syzkaller login: [ 51.325346][ T3601] cgroup: Unknown subsys name 'net'
[ 51.429837][ T3601] cgroup: Unknown subsys name 'rlimit'
[ 52.771182][ T3607] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 52.779795][ T3607] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 52.787416][ T3607] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 52.797006][ T3607] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 52.805104][ T3607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 52.812793][ T3607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 52.900493][ T3603] chnl_net:caif_netlink_parms(): no params data found
[ 52.942791][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.950809][ T3603] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.958861][ T3603] device bridge_slave_0 entered promiscuous mode
[ 52.968093][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.975992][ T3603] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.984316][ T3603] device bridge_slave_1 entered promiscuous mode
[ 53.005068][ T3603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 53.016620][ T3603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 53.039613][ T3603] team0: Port device team_slave_0 added
[ 53.047067][ T3603] team0: Port device team_slave_1 added
[ 53.064896][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 53.072037][ T3603] 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.
[ 53.098240][ T3603] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 53.111063][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 53.118026][ T3603] 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.
[ 53.164300][ T3603] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 53.188749][ T3603]
[ 53.191420][ T3603] =============================
[ 53.196537][ T3603] WARNING: suspicious RCU usage
[ 53.201426][ T3603] 5.17.0-rc3-next-20220208-syzkaller #0 Not tainted
[ 53.208114][ T3603] -----------------------------
[ 53.213014][ T3603] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage!
[ 53.221312][ T3603]
[ 53.221312][ T3603] other info that might help us debug this:
[ 53.221312][ T3603]
[ 53.231965][ T3603]
[ 53.231965][ T3603] rcu_scheduler_active = 2, debug_locks = 1
[ 53.241902][ T3603] 2 locks held by syz-executor.0/3603:
[ 53.247549][ T3603] #0: ffffffff8d3357e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80
[ 53.257059][ T3603] #1: ffff88801a1295f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650
[ 53.267250][ T3603]
[ 53.267250][ T3603] stack backtrace:
[ 53.273276][ T3603] CPU: 0 PID: 3603 Comm: syz-executor.0 Not tainted 5.17.0-rc3-next-20220208-syzkaller #0
[ 53.283633][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.293790][ T3603] Call Trace:
[ 53.297233][ T3603] <TASK>
[ 53.300334][ T3603] dump_stack_lvl+0xcd/0x134
[ 53.304943][ T3603] hsr_node_get_first+0x9b/0xb0
[ 53.309785][ T3603] hsr_create_self_node+0x22d/0x650
[ 53.315250][ T3603] hsr_dev_finalize+0x2c1/0x7d0
[ 53.320193][ T3603] hsr_newlink+0x315/0x730
[ 53.324890][ T3603] ? hsr_dellink+0x130/0x130
[ 53.329646][ T3603] ? rtnl_create_link+0x7e8/0xc00
[ 53.334672][ T3603] ? hsr_dellink+0x130/0x130
[ 53.339258][ T3603] __rtnl_newlink+0x107c/0x1760
[ 53.344216][ T3603] ? rtnl_setlink+0x3c0/0x3c0
[ 53.348904][ T3603] ? is_bpf_text_address+0x77/0x170
[ 53.354120][ T3603] ? lock_downgrade+0x6e0/0x6e0
[ 53.358991][ T3603] ? unwind_next_frame+0xee1/0x1ce0
[ 53.364289][ T3603] ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 53.370372][ T3603] ? __sanitizer_cov_trace_cmp4+0x1c/0x70
[ 53.376209][ T3603] ? is_bpf_text_address+0x99/0x170
[ 53.381414][ T3603] ? kernel_text_address+0x39/0x80
[ 53.386538][ T3603] ? __kernel_text_address+0x9/0x30
[ 53.391743][ T3603] ? unwind_get_return_address+0x51/0x90
[ 53.397547][ T3603] ? create_prof_cpu_mask+0x20/0x20
[ 53.402762][ T3603] ? arch_stack_walk+0x93/0xe0
[ 53.407679][ T3603] ? kmem_cache_alloc_trace+0x42/0x2c0
[ 53.413162][ T3603] ? rcu_read_lock_sched_held+0x3a/0x70
[ 53.418813][ T3603] rtnl_newlink+0x64/0xa0
[ 53.423146][ T3603] ? __rtnl_newlink+0x1760/0x1760
[ 53.428172][ T3603] rtnetlink_rcv_msg+0x413/0xb80
[ 53.433113][ T3603] ? rtnl_newlink+0xa0/0xa0
[ 53.437725][ T3603] netlink_rcv_skb+0x153/0x420
[ 53.442496][ T3603] ? rtnl_newlink+0xa0/0xa0
[ 53.447004][ T3603] ? netlink_ack+0xa80/0xa80
[ 53.451600][ T3603] ? netlink_deliver_tap+0x1a2/0xc40
[ 53.457227][ T3603] ? netlink_deliver_tap+0x1b1/0xc40
[ 53.462548][ T3603] netlink_unicast+0x539/0x7e0
[ 53.467328][ T3603] ? netlink_attachskb+0x880/0x880
[ 53.472767][ T3603] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 53.479024][ T3603] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 53.485359][ T3603] ? __phys_addr_symbol+0x2c/0x70
[ 53.490397][ T3603] ? __sanitizer_cov_trace_cmp8+0x1d/0x70
[ 53.496473][ T3603] ? __check_object_size+0x16c/0x4f0
[ 53.501768][ T3603] netlink_sendmsg+0x904/0xe00
[ 53.506713][ T3603] ? netlink_unicast+0x7e0/0x7e0
[ 53.512100][ T3603] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 53.518443][ T3603] ? netlink_unicast+0x7e0/0x7e0
[ 53.523397][ T3603] sock_sendmsg+0xcf/0x120
[ 53.528080][ T3603] __sys_sendto+0x21c/0x320
[ 53.532820][ T3603] ? __ia32_sys_getpeername+0xb0/0xb0
[ 53.538217][ T3603] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 53.544336][ T3603] ? __context_tracking_exit+0xb8/0xe0
[ 53.550074][ T3603] ? lock_downgrade+0x6e0/0x6e0
[ 53.555023][ T3603] ? lock_downgrade+0x6e0/0x6e0
[ 53.559907][ T3603] __x64_sys_sendto+0xdd/0x1b0
[ 53.564736][ T3603] ? lockdep_hardirqs_on+0x79/0x100
[ 53.570035][ T3603] ? syscall_enter_from_user_mode+0x21/0x70
[ 53.580906][ T3603] do_syscall_64+0x35/0xb0
[ 53.600621][ T3603] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 53.612189][ T3603] RIP: 0033:0x7fec8762ce1c
[ 53.616621][ T3603] 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
[ 53.636344][ T3603] RSP: 002b:00007ffce4ce9100 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
[ 53.645022][ T3603] RAX: ffffffffffffffda RBX: 00007fec886c5320 RCX: 00007fec8762ce1c
[ 53.652992][ T3603] RDX: 0000000000000048 RSI: 00007fec886c5370 RDI: 0000000000000003
[ 53.660956][ T3603] RBP: 0000000000000000 R08: 00007ffce4ce9154 R09: 000000000000000c
[ 53.668934][ T3603] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
[ 53.676985][ T3603] R13: 00007fec886c5370 R14: 0000000000000003 R15: 0000000000000000
[ 53.684967][ T3603] </TASK>
[ 53.695619][ T3603] device hsr_slave_0 entered promiscuous mode
[ 53.703245][ T3603] device hsr_slave_1 entered promiscuous mode
[ 53.785674][ T3603] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 53.796908][ T3603] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 53.807063][ T3603] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 53.816601][ T3603] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 53.837151][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.844920][ T3603] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 53.852826][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.860148][ T3603] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 53.905644][ T3603] 8021q: adding VLAN 0 to HW filter on device bond0
[ 53.918347][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 53.931672][ T3612] bridge0: port 1(bridge_slave_0) entered disabled state
[ 53.941156][ T3612] bridge0: port 2(bridge_slave_1) entered disabled state
[ 53.952462][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 53.965342][ T3603] 8021q: adding VLAN 0 to HW filter on device team0
[ 53.976385][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 53.985284][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 53.993979][ T3612] bridge0: port 1(bridge_slave_0) entered blocking state
[ 54.001090][ T3612] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 54.020620][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 54.032082][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 54.041074][ T6] bridge0: port 2(bridge_slave_1) entered blocking state
[ 54.048195][ T6] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 54.056541][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 54.065391][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 54.083296][ T3603] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 54.094468][ T3603] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
executing program
[ 54.107789][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 54.117081][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 54.126794][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 54.136274][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 54.146012][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 54.154766][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 54.163841][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 54.172531][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 54.186308][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 54.194711][ T1934] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 54.208047][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 54.215903][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 54.227584][ T3603] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 54.339396][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 54.348247][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 54.365796][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 54.374613][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 54.384666][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 54.393259][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 54.404070][ T3603] device veth0_vlan entered promiscuous mode
[ 54.415892][ T3603] device veth1_vlan entered promiscuous mode
[ 54.435415][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 54.443722][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 54.453089][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 54.461964][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 54.473775][ T3603] device veth0_macvtap entered promiscuous mode
[ 54.484122][ T3603] device veth1_macvtap entered promiscuous mode
[ 54.499561][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 54.507242][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 54.516537][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 54.525052][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 54.534525][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 54.546920][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 54.555457][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 54.564512][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 54.576314][ T3603] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.586646][ T3603] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.596002][ T3603] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.605400][ T3603] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.669731][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 54.678271][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 54.695250][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 54.706966][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 54.715877][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 54.725102][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2022/02/08 13:48:37 building call list...
[ 54.839713][ T142] Bluetooth: hci0: command 0x0409 tx timeout
[ 55.013563][ T1242] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 57.048119][ T3592] can: request_module (can-proto-0) failed.
[ 57.072295][ T3592] can: request_module (can-proto-0) failed.
executing program
[ 57.098820][ T3592] can: request_module (can-proto-0) failed.
[ 57.204951][ T3603] syz-executor.0 (3603) used greatest stack depth: 22856 bytes left
[ 57.224055][ T1242] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0