Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts.
2022/02/17 14:06:08 fuzzer started
2022/02/17 14:06:08 connecting to host at 10.128.0.169:33997
2022/02/17 14:06:08 checking machine...
2022/02/17 14:06:08 checking revisions...
2022/02/17 14:06:08 testing simple program...
syzkaller login: [   51.183375][ T3593] cgroup: Unknown subsys name 'net'
[   51.321848][ T3593] cgroup: Unknown subsys name 'rlimit'
[   52.564396][ T3600] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   52.572683][ T3600] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   52.581174][ T3600] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   52.589347][ T3600] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   52.597912][ T3600] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   52.605957][ T3600] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   52.699434][ T3596] chnl_net:caif_netlink_parms(): no params data found
[   52.743144][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.751082][ T3596] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.759440][ T3596] device bridge_slave_0 entered promiscuous mode
[   52.768869][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.776631][ T3596] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.784734][ T3596] device bridge_slave_1 entered promiscuous mode
[   52.805891][ T3596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   52.817971][ T3596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   52.841004][ T3596] team0: Port device team_slave_0 added
[   52.849149][ T3596] team0: Port device team_slave_1 added
[   52.868625][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_0
[   52.876242][ T3596] 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.
[   52.903601][ T3596] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   52.917274][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_1
[   52.924747][ T3596] 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.
[   52.952189][ T3596] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   52.977581][ T3596] 
[   52.980044][ T3596] =============================
[   52.985278][ T3596] WARNING: suspicious RCU usage
[   52.990141][ T3596] 5.17.0-rc4-next-20220217-syzkaller #0 Not tainted
[   52.997404][ T3596] -----------------------------
[   53.002577][ T3596] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage!
[   53.010982][ T3596] 
[   53.010982][ T3596] other info that might help us debug this:
[   53.010982][ T3596] 
[   53.021455][ T3596] 
[   53.021455][ T3596] rcu_scheduler_active = 2, debug_locks = 1
[   53.029791][ T3596] 2 locks held by syz-executor.0/3596:
[   53.035292][ T3596]  #0: ffffffff8d539528 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80
[   53.044812][ T3596]  #1: ffff888075a4d5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650
[   53.055272][ T3596] 
[   53.055272][ T3596] stack backtrace:
[   53.061276][ T3596] CPU: 0 PID: 3596 Comm: syz-executor.0 Not tainted 5.17.0-rc4-next-20220217-syzkaller #0
[   53.072302][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.082553][ T3596] Call Trace:
[   53.086025][ T3596]  <TASK>
[   53.089093][ T3596]  dump_stack_lvl+0xcd/0x134
[   53.093973][ T3596]  hsr_node_get_first+0x9b/0xb0
[   53.098847][ T3596]  hsr_create_self_node+0x22d/0x650
[   53.104142][ T3596]  hsr_dev_finalize+0x2c1/0x7d0
[   53.108998][ T3596]  hsr_newlink+0x315/0x730
[   53.113548][ T3596]  ? hsr_dellink+0x130/0x130
[   53.118238][ T3596]  ? rtnl_create_link+0x7e8/0xc00
[   53.123383][ T3596]  ? hsr_dellink+0x130/0x130
[   53.128096][ T3596]  __rtnl_newlink+0x107c/0x1760
[   53.133560][ T3596]  ? rtnl_setlink+0x3c0/0x3c0
[   53.138339][ T3596]  ? is_bpf_text_address+0x77/0x170
[   53.143670][ T3596]  ? lock_downgrade+0x6e0/0x6e0
[   53.148666][ T3596]  ? unwind_next_frame+0xee1/0x1ce0
[   53.153954][ T3596]  ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[   53.160281][ T3596]  ? __sanitizer_cov_trace_cmp4+0x1c/0x70
[   53.166022][ T3596]  ? is_bpf_text_address+0x99/0x170
[   53.171380][ T3596]  ? kernel_text_address+0x39/0x80
[   53.176762][ T3596]  ? __kernel_text_address+0x9/0x30
[   53.182250][ T3596]  ? unwind_get_return_address+0x51/0x90
[   53.187980][ T3596]  ? create_prof_cpu_mask+0x20/0x20
[   53.193571][ T3596]  ? arch_stack_walk+0x93/0xe0
[   53.198596][ T3596]  ? kmem_cache_alloc_trace+0x42/0x3d0
[   53.204090][ T3596]  ? rcu_read_lock_sched_held+0x3a/0x70
[   53.210097][ T3596]  rtnl_newlink+0x64/0xa0
[   53.214447][ T3596]  ? __rtnl_newlink+0x1760/0x1760
[   53.219571][ T3596]  rtnetlink_rcv_msg+0x413/0xb80
[   53.224788][ T3596]  ? rtnl_fdb_dump+0x9a0/0x9a0
[   53.229577][ T3596]  netlink_rcv_skb+0x153/0x420
[   53.234355][ T3596]  ? rtnl_fdb_dump+0x9a0/0x9a0
[   53.239304][ T3596]  ? netlink_ack+0xa80/0xa80
[   53.243981][ T3596]  ? netlink_deliver_tap+0x1a2/0xc40
[   53.249274][ T3596]  ? netlink_deliver_tap+0x1b1/0xc40
[   53.254582][ T3596]  netlink_unicast+0x539/0x7e0
[   53.259443][ T3596]  ? netlink_attachskb+0x880/0x880
[   53.264729][ T3596]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[   53.271786][ T3596]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[   53.278285][ T3596]  ? __phys_addr_symbol+0x2c/0x70
[   53.283357][ T3596]  ? __sanitizer_cov_trace_cmp8+0x1d/0x70
[   53.289203][ T3596]  ? __check_object_size+0x16c/0x4f0
[   53.294620][ T3596]  netlink_sendmsg+0x904/0xe00
[   53.300380][ T3596]  ? netlink_unicast+0x7e0/0x7e0
[   53.305360][ T3596]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   53.311759][ T3596]  ? netlink_unicast+0x7e0/0x7e0
[   53.316721][ T3596]  sock_sendmsg+0xcf/0x120
[   53.321208][ T3596]  __sys_sendto+0x21c/0x320
[   53.326086][ T3596]  ? __ia32_sys_getpeername+0xb0/0xb0
[   53.331587][ T3596]  ? lockdep_hardirqs_on+0x79/0x100
[   53.336956][ T3596]  ? __context_tracking_exit+0xb8/0xe0
[   53.342444][ T3596]  ? lock_downgrade+0x6e0/0x6e0
[   53.347331][ T3596]  __x64_sys_sendto+0xdd/0x1b0
[   53.352314][ T3596]  ? lockdep_hardirqs_on+0x79/0x100
[   53.357664][ T3596]  ? syscall_enter_from_user_mode+0x21/0x70
[   53.363630][ T3596]  do_syscall_64+0x35/0xb0
[   53.368112][ T3596]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   53.374044][ T3596] RIP: 0033:0x7fda3c237e1c
[   53.378480][ T3596] 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
[   53.398201][ T3596] RSP: 002b:00007ffcccbbf390 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
[   53.406637][ T3596] RAX: ffffffffffffffda RBX: 00007fda3d2d0320 RCX: 00007fda3c237e1c
[   53.414613][ T3596] RDX: 0000000000000048 RSI: 00007fda3d2d0370 RDI: 0000000000000003
[   53.422707][ T3596] RBP: 0000000000000000 R08: 00007ffcccbbf3e4 R09: 000000000000000c
[   53.430734][ T3596] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
[   53.439010][ T3596] R13: 00007fda3d2d0370 R14: 0000000000000003 R15: 0000000000000000
[   53.447023][ T3596]  </TASK>
[   53.457661][ T3596] device hsr_slave_0 entered promiscuous mode
[   53.465185][ T3596] device hsr_slave_1 entered promiscuous mode
[   53.546658][ T3596] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   53.559484][ T3596] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   53.569630][ T3596] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   53.579290][ T3596] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   53.601417][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.608646][ T3596] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.616849][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.623979][ T3596] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.672469][ T3596] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.685687][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.697463][    T6] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.707326][    T6] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.716910][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.730054][ T3596] 8021q: adding VLAN 0 to HW filter on device team0
[   53.744744][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   53.753581][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.762915][    T6] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.770224][    T6] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.778115][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   53.787601][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.796074][    T6] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.803193][    T6] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.811021][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   53.830927][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   53.839853][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   53.848829][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.857331][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   53.866412][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.875485][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.888831][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   53.899538][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.913448][ T3596] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   53.928177][ T3596] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.937841][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   53.947283][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.967466][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
executing program
[   53.976310][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.988750][ T3596] 8021q: adding VLAN 0 to HW filter on device batadv0
[   54.095431][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[   54.104676][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   54.120641][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[   54.129391][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   54.139836][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   54.148115][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   54.158695][ T3596] device veth0_vlan entered promiscuous mode
[   54.170605][ T3596] device veth1_vlan entered promiscuous mode
[   54.191552][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   54.200607][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   54.209751][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[   54.218744][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   54.231499][ T3596] device veth0_macvtap entered promiscuous mode
[   54.241427][ T3596] device veth1_macvtap entered promiscuous mode
[   54.256682][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.264168][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   54.273821][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[   54.282031][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[   54.291834][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   54.305627][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.313683][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   54.322718][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.335680][ T3596] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.345929][ T3596] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.355233][ T3596] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.364022][ T3596] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.429043][   T45] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.441267][   T45] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.458160][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.469219][ T1477] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.478145][ T1477] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.487755][    T6] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2022/02/17 14:06:12 building call list...
[   54.635444][ T3594] Bluetooth: hci0: command 0x0409 tx timeout
[   54.776005][   T45] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   57.036074][ T3585] can: request_module (can-proto-0) failed.
[   57.059535][ T3585] can: request_module (can-proto-0) failed.
[   57.081745][ T3585] can: request_module (can-proto-0) failed.
[   57.576993][   T45] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0