Warning: Permanently added '10.128.0.117' (ECDSA) to the list of known hosts.
2021/12/30 09:54:24 fuzzer started
2021/12/30 09:54:24 connecting to host at 10.128.0.169:44551
2021/12/30 09:54:24 checking machine...
2021/12/30 09:54:24 checking revisions...
2021/12/30 09:54:24 testing simple program...
syzkaller login: [   51.750319][ T3611] cgroup: Unknown subsys name 'net'
[   51.889410][ T3611] cgroup: Unknown subsys name 'rlimit'
[   53.188911][ T3614] chnl_net:caif_netlink_parms(): no params data found
[   53.233127][ T3614] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.240241][ T3614] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.248440][ T3614] device bridge_slave_0 entered promiscuous mode
[   53.257527][ T3614] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.264909][ T3614] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.272629][ T3614] device bridge_slave_1 entered promiscuous mode
[   53.323803][ T3614] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.335917][ T3614] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.359262][ T3614] team0: Port device team_slave_0 added
[   53.367316][ T3614] team0: Port device team_slave_1 added
[   53.384324][ T3614] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.391290][ T3614] 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.
[   53.417503][ T3614] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   53.430488][ T3614] batman_adv: batadv0: Adding interface: batadv_slave_1
[   53.437622][ T3614] 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.
[   53.463948][ T3614] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   53.489498][ T3614] device hsr_slave_0 entered promiscuous mode
[   53.496775][ T3614] device hsr_slave_1 entered promiscuous mode
[   53.576709][ T3614] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   53.586773][ T3614] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   53.595570][ T3614] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   53.604956][ T3614] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   53.626292][ T3614] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.633686][ T3614] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.641362][ T3614] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.648468][ T3614] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.694889][ T3614] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.707746][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.718009][ T3623] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.726527][ T3623] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.735240][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.749099][ T3614] 8021q: adding VLAN 0 to HW filter on device team0
[   53.760481][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.770090][   T35] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.777176][   T35] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.794402][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.803635][   T35] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.810697][   T35] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.824473][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.839217][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.847163][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.855848][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.867551][ T3614] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   53.879178][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.889138][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.909681][ T3614] 8021q: adding VLAN 0 to HW filter on device batadv0
[   53.917864][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.925800][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   53.944241][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   53.962937][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   53.971603][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   53.980343][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   53.990510][ T3614] device veth0_vlan entered promiscuous mode
[   54.001919][ T3614] device veth1_vlan entered promiscuous mode
[   54.022178][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   54.030822][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   54.039368][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   54.049474][ T3614] device veth0_macvtap entered promiscuous mode
[   54.060312][ T3614] device veth1_macvtap entered promiscuous mode
[   54.076624][ T3614] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.084696][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   54.096146][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   54.107299][ T3614] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.115080][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.126608][ T3614] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.135948][ T3614] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.145175][ T3614] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.154176][ T3614] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.216428][   T44] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.233576][   T44] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.242974][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.254616][ T1084] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.262659][ T1084] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.271129][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/30 09:54:27 building call list...
[   54.502139][ T1084] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   56.427627][ T3605] can: request_module (can-proto-0) failed.
[   56.449625][ T3605] can: request_module (can-proto-0) failed.
[   56.470529][ T3605] can: request_module (can-proto-0) failed.
[   56.669931][ T3605] ------------[ cut here ]------------
[   56.675607][ T3605] refcount_t: decrement hit 0; leaking memory.
[   56.681989][ T3605] WARNING: CPU: 1 PID: 3605 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   56.691668][ T3605] Modules linked in:
[   56.695719][ T3605] CPU: 0 PID: 3605 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.705077][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.715639][ T3605] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.721741][ T3605] Code: 1d d1 d6 a0 09 31 ff 89 de e8 5d 65 9b fd 84 db 75 e0 e8 74 61 9b fd 48 c7 c7 20 0b 05 8a c6 05 b1 d6 a0 09 01 e8 cc 56 27 05 <0f> 0b eb c4 e8 58 61 9b fd 0f b6 1d a0 d6 a0 09 31 ff 89 de e8 28
[   56.741631][ T3605] RSP: 0018:ffffc90001acfab0 EFLAGS: 00010286
[   56.747921][ T3605] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.755943][ T3605] RDX: ffff88801fcd0000 RSI: ffffffff815f1e28 RDI: fffff52000359f48
[   56.763961][ T3605] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.771923][ T3605] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000359f5b
[   56.780188][ T3605] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc90001acfd10
[   56.788226][ T3605] FS:  000000c000030890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   56.797851][ T3605] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.804595][ T3605] CR2: 00007fd299344300 CR3: 0000000018ba7000 CR4: 00000000003506f0
[   56.814078][ T3605] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.822914][ T3605] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.830890][ T3605] Call Trace:
[   56.834305][ T3605]  <TASK>
[   56.837244][ T3605]  ref_tracker_free+0x4fe/0x610
[   56.842088][ T3605]  ? ref_tracker_dir_exit+0x330/0x330
[   56.847504][ T3605]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.852852][ T3605]  ? lock_downgrade+0x6e0/0x6e0
[   56.857716][ T3605]  ? kfree+0x1e1/0x560
[   56.861867][ T3605]  __sk_destruct+0x4a6/0x920
[   56.866738][ T3605]  sk_destruct+0xbd/0xe0
[   56.871096][ T3605]  __sk_free+0xef/0x3d0
[   56.875363][ T3605]  sk_free+0x78/0xa0
[   56.879267][ T3605]  __mptcp_close_ssk+0x435/0x590
[   56.884321][ T3605]  __mptcp_destroy_sock+0x35f/0x830
[   56.889623][ T3605]  ? __mptcp_close_ssk+0x590/0x590
[   56.894907][ T3605]  ? __local_bh_enable_ip+0xa0/0x120
[   56.900268][ T3605]  mptcp_close+0x5f8/0x7f0
[   56.904990][ T3605]  inet_release+0x12e/0x280
[   56.909515][ T3605]  inet6_release+0x4c/0x70
[   56.914788][ T3605]  __sock_release+0xcd/0x280
[   56.919496][ T3605]  sock_close+0x18/0x20
[   56.923975][ T3605]  __fput+0x286/0x9f0
[   56.927975][ T3605]  ? __sock_release+0x280/0x280
[   56.932997][ T3605]  task_work_run+0xdd/0x1a0
[   56.937653][ T3605]  exit_to_user_mode_prepare+0x27e/0x290
[   56.943856][ T3605]  syscall_exit_to_user_mode+0x19/0x60
[   56.949466][ T3605]  do_syscall_64+0x42/0xb0
[   56.954138][ T3605]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.960058][ T3605] RIP: 0033:0x4b12db
[   56.965779][ T3605] Code: fb ff eb bd e8 46 96 fb ff e9 61 ff ff ff cc e8 fb 61 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   56.985629][ T3605] RSP: 002b:000000c0002d34f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.994155][ T3605] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   57.002227][ T3605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.010420][ T3605] RBP: 000000c0002d3530 R08: 0000000000f0e801 R09: 00007fff12df0080
[   57.019553][ T3605] R10: 00007fff12df0090 R11: 0000000000000206 R12: 000000000000000e
[   57.027886][ T3605] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00031c3c0
[   57.036021][ T3605]  </TASK>
[   57.039043][ T3605] Kernel panic - not syncing: panic_on_warn set ...
[   57.045704][ T3605] CPU: 0 PID: 3605 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.054194][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.064371][ T3605] Call Trace:
[   57.067646][ T3605]  <TASK>
[   57.070595][ T3605]  dump_stack_lvl+0xcd/0x134
[   57.075196][ T3605]  panic+0x2b0/0x6dd
[   57.079083][ T3605]  ? __warn_printk+0xf3/0xf3
[   57.083692][ T3605]  ? __warn.cold+0x1a/0x44
[   57.088097][ T3605]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.093545][ T3605]  __warn.cold+0x35/0x44
[   57.097785][ T3605]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.102974][ T3605]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.108423][ T3605]  report_bug+0x1bd/0x210
[   57.112789][ T3605]  handle_bug+0x3c/0x60
[   57.116932][ T3605]  exc_invalid_op+0x14/0x40
[   57.121420][ T3605]  asm_exc_invalid_op+0x12/0x20
[   57.126265][ T3605] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.132318][ T3605] Code: 1d d1 d6 a0 09 31 ff 89 de e8 5d 65 9b fd 84 db 75 e0 e8 74 61 9b fd 48 c7 c7 20 0b 05 8a c6 05 b1 d6 a0 09 01 e8 cc 56 27 05 <0f> 0b eb c4 e8 58 61 9b fd 0f b6 1d a0 d6 a0 09 31 ff 89 de e8 28
[   57.152430][ T3605] RSP: 0018:ffffc90001acfab0 EFLAGS: 00010286
[   57.158482][ T3605] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.166437][ T3605] RDX: ffff88801fcd0000 RSI: ffffffff815f1e28 RDI: fffff52000359f48
[   57.174444][ T3605] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.182423][ T3605] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000359f5b
[   57.190388][ T3605] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc90001acfd10
[   57.198436][ T3605]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.203629][ T3605]  ? vprintk+0x88/0x90
[   57.207720][ T3605]  ref_tracker_free+0x4fe/0x610
[   57.212736][ T3605]  ? ref_tracker_dir_exit+0x330/0x330
[   57.218097][ T3605]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.223387][ T3605]  ? lock_downgrade+0x6e0/0x6e0
[   57.228225][ T3605]  ? kfree+0x1e1/0x560
[   57.232293][ T3605]  __sk_destruct+0x4a6/0x920
[   57.236875][ T3605]  sk_destruct+0xbd/0xe0
[   57.241131][ T3605]  __sk_free+0xef/0x3d0
[   57.245300][ T3605]  sk_free+0x78/0xa0
[   57.249184][ T3605]  __mptcp_close_ssk+0x435/0x590
[   57.254112][ T3605]  __mptcp_destroy_sock+0x35f/0x830
[   57.259318][ T3605]  ? __mptcp_close_ssk+0x590/0x590
[   57.264419][ T3605]  ? __local_bh_enable_ip+0xa0/0x120
[   57.269701][ T3605]  mptcp_close+0x5f8/0x7f0
[   57.274108][ T3605]  inet_release+0x12e/0x280
[   57.278601][ T3605]  inet6_release+0x4c/0x70
[   57.283101][ T3605]  __sock_release+0xcd/0x280
[   57.287680][ T3605]  sock_close+0x18/0x20
[   57.291818][ T3605]  __fput+0x286/0x9f0
[   57.295789][ T3605]  ? __sock_release+0x280/0x280
[   57.300636][ T3605]  task_work_run+0xdd/0x1a0
[   57.305126][ T3605]  exit_to_user_mode_prepare+0x27e/0x290
[   57.310755][ T3605]  syscall_exit_to_user_mode+0x19/0x60
[   57.316218][ T3605]  do_syscall_64+0x42/0xb0
[   57.320637][ T3605]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.326604][ T3605] RIP: 0033:0x4b12db
[   57.330505][ T3605] Code: fb ff eb bd e8 46 96 fb ff e9 61 ff ff ff cc e8 fb 61 fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   57.350094][ T3605] RSP: 002b:000000c0002d34f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.358506][ T3605] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   57.366460][ T3605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.374415][ T3605] RBP: 000000c0002d3530 R08: 0000000000f0e801 R09: 00007fff12df0080
[   57.382379][ T3605] R10: 00007fff12df0090 R11: 0000000000000206 R12: 000000000000000e
[   57.390333][ T3605] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00031c3c0
[   57.398300][ T3605]  </TASK>
[   57.401690][ T3605] Kernel Offset: disabled
[   57.406104][ T3605] Rebooting in 86400 seconds..