Warning: Permanently added '10.128.0.190' (ECDSA) to the list of known hosts.
2021/12/16 23:22:39 fuzzer started
2021/12/16 23:22:39 connecting to host at 10.128.0.169:38065
2021/12/16 23:22:39 checking machine...
2021/12/16 23:22:39 checking revisions...
2021/12/16 23:22:39 testing simple program...
syzkaller login: [   48.832999][ T3605] cgroup: Unknown subsys name 'net'
[   48.937247][ T3605] cgroup: Unknown subsys name 'rlimit'
[   50.327742][ T3608] chnl_net:caif_netlink_parms(): no params data found
[   50.373424][ T3608] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.381042][ T3608] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.389136][ T3608] device bridge_slave_0 entered promiscuous mode
[   50.398371][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.405816][ T3608] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.413513][ T3608] device bridge_slave_1 entered promiscuous mode
[   50.435336][ T3608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   50.447440][ T3608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   50.471214][ T3608] team0: Port device team_slave_0 added
[   50.479182][ T3608] team0: Port device team_slave_1 added
[   50.496764][ T3608] batman_adv: batadv0: Adding interface: batadv_slave_0
[   50.503740][ T3608] 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.
[   50.530175][ T3608] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   50.543213][ T3608] batman_adv: batadv0: Adding interface: batadv_slave_1
[   50.550511][ T3608] 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.
[   50.576621][ T3608] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   50.602719][ T3608] device hsr_slave_0 entered promiscuous mode
[   50.610255][ T3608] device hsr_slave_1 entered promiscuous mode
[   50.688769][ T3608] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   50.699910][ T3608] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   50.709949][ T3608] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   50.718829][ T3608] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   50.740642][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.748893][ T3608] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.756916][ T3608] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.764023][ T3608] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.812125][ T3608] 8021q: adding VLAN 0 to HW filter on device bond0
[   50.823713][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   50.834405][  T922] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.843179][  T922] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.853005][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   50.866779][ T3608] 8021q: adding VLAN 0 to HW filter on device team0
[   50.878734][  T137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   50.887725][  T137] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.894786][  T137] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.907291][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   50.916658][  T922] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.923736][  T922] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.942823][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   50.951923][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   50.963132][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   50.978607][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   50.987020][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   50.999506][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   51.017210][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   51.024684][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   51.037719][ T3608] 8021q: adding VLAN 0 to HW filter on device batadv0
[   51.056002][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   51.073571][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   51.082340][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   51.090834][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   51.101735][ T3608] device veth0_vlan entered promiscuous mode
[   51.112190][ T3608] device veth1_vlan entered promiscuous mode
[   51.133093][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   51.141636][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   51.149971][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   51.161105][ T3608] device veth0_macvtap entered promiscuous mode
[   51.170540][ T3608] device veth1_macvtap entered promiscuous mode
[   51.184424][ T3608] batman_adv: batadv0: Interface activated: batadv_slave_0
[   51.192162][  T137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   51.203099][  T137] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   51.220155][ T3608] batman_adv: batadv0: Interface activated: batadv_slave_1
[   51.228538][  T137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   51.240507][ T3608] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   51.249446][ T3608] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   51.258731][ T3608] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   51.268687][ T3608] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   51.324904][ T1089] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   51.337137][ T1089] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   51.354022][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   51.367962][ T1089] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   51.377421][ T1089] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   51.388123][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/16 23:22:42 building call list...
[   51.636540][ T1089] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   53.624256][ T3599] can: request_module (can-proto-0) failed.
[   53.648590][ T3599] can: request_module (can-proto-0) failed.
[   53.670948][ T3599] can: request_module (can-proto-0) failed.
[   53.868143][ T3599] ------------[ cut here ]------------
[   53.874035][ T3599] refcount_t: decrement hit 0; leaking memory.
[   53.880942][ T3599] WARNING: CPU: 1 PID: 3599 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   53.890466][ T3599] Modules linked in:
[   53.894381][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   53.903642][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.915302][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   53.921765][ T3599] Code: 1d b1 99 a1 09 31 ff 89 de e8 5d 3a 9c fd 84 db 75 e0 e8 74 36 9c fd 48 c7 c7 60 00 05 8a c6 05 91 99 a1 09 01 e8 cc 4b 27 05 <0f> 0b eb c4 e8 58 36 9c fd 0f b6 1d 80 99 a1 09 31 ff 89 de e8 28
[   53.942058][ T3599] RSP: 0018:ffffc90001affab0 EFLAGS: 00010286
[   53.948583][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   53.956835][ T3599] RDX: ffff888023a0ba00 RSI: ffffffff815f1e28 RDI: fffff5200035ff48
[   53.964976][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   53.973249][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200035ff5b
[   53.981508][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001affd10
[   53.989611][ T3599] FS:  000000c000030890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[   53.999455][ T3599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.006154][ T3599] CR2: 00007f2719524300 CR3: 00000000747e1000 CR4: 00000000003506e0
[   54.014133][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   54.022436][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   54.030586][ T3599] Call Trace:
[   54.033873][ T3599]  <TASK>
[   54.037144][ T3599]  ref_tracker_free+0x4fe/0x610
[   54.042211][ T3599]  ? ref_tracker_dir_exit+0x330/0x330
[   54.048013][ T3599]  ? bpf_sk_storage_free+0x333/0x3e0
[   54.053452][ T3599]  ? lock_downgrade+0x6e0/0x6e0
[   54.058881][ T3599]  ? kfree+0x1e1/0x560
[   54.062979][ T3599]  __sk_destruct+0x4a6/0x920
[   54.067816][ T3599]  sk_destruct+0xbd/0xe0
[   54.072403][ T3599]  __sk_free+0xef/0x3d0
[   54.077250][ T3599]  sk_free+0x78/0xa0
[   54.081167][ T3599]  __mptcp_close_ssk+0x435/0x590
[   54.086848][ T3599]  __mptcp_destroy_sock+0x35f/0x830
[   54.092148][ T3599]  ? __mptcp_close_ssk+0x590/0x590
[   54.097598][ T3599]  ? __local_bh_enable_ip+0xa0/0x120
[   54.102890][ T3599]  mptcp_close+0x5f8/0x7f0
[   54.107464][ T3599]  inet_release+0x12e/0x280
[   54.112339][ T3599]  inet6_release+0x4c/0x70
[   54.117163][ T3599]  __sock_release+0xcd/0x280
[   54.121872][ T3599]  sock_close+0x18/0x20
[   54.126283][ T3599]  __fput+0x286/0x9f0
[   54.130256][ T3599]  ? __sock_release+0x280/0x280
[   54.135226][ T3599]  task_work_run+0xdd/0x1a0
[   54.139979][ T3599]  exit_to_user_mode_prepare+0x27e/0x290
[   54.145847][ T3599]  syscall_exit_to_user_mode+0x19/0x60
[   54.151925][ T3599]  do_syscall_64+0x42/0xb0
[   54.157114][ T3599]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   54.163058][ T3599] RIP: 0033:0x4b12db
[   54.167779][ T3599] 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
[   54.187613][ T3599] RSP: 002b:000000c0002934f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   54.196224][ T3599] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   54.204215][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   54.212596][ T3599] RBP: 000000c000293530 R08: 0000000000f0ae01 R09: 00007ffc50d09080
[   54.221642][ T3599] R10: 00007ffc50d09090 R11: 0000000000000206 R12: 000000000000000d
[   54.229911][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0003ac000
[   54.238250][ T3599]  </TASK>
[   54.241271][ T3599] Kernel panic - not syncing: panic_on_warn set ...
[   54.247840][ T3599] CPU: 1 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   54.256148][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.266193][ T3599] Call Trace:
[   54.269460][ T3599]  <TASK>
[   54.272381][ T3599]  dump_stack_lvl+0xcd/0x134
[   54.276978][ T3599]  panic+0x2b0/0x6dd
[   54.280864][ T3599]  ? __warn_printk+0xf3/0xf3
[   54.285449][ T3599]  ? __warn.cold+0x1a/0x44
[   54.289858][ T3599]  ? refcount_warn_saturate+0xbf/0x1e0
[   54.295412][ T3599]  __warn.cold+0x35/0x44
[   54.300376][ T3599]  ? wake_up_klogd.part.0+0x8e/0xd0
[   54.305579][ T3599]  ? refcount_warn_saturate+0xbf/0x1e0
[   54.311188][ T3599]  report_bug+0x1bd/0x210
[   54.315542][ T3599]  handle_bug+0x3c/0x60
[   54.319693][ T3599]  exc_invalid_op+0x14/0x40
[   54.324805][ T3599]  asm_exc_invalid_op+0x12/0x20
[   54.329738][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   54.335807][ T3599] Code: 1d b1 99 a1 09 31 ff 89 de e8 5d 3a 9c fd 84 db 75 e0 e8 74 36 9c fd 48 c7 c7 60 00 05 8a c6 05 91 99 a1 09 01 e8 cc 4b 27 05 <0f> 0b eb c4 e8 58 36 9c fd 0f b6 1d 80 99 a1 09 31 ff 89 de e8 28
[   54.355407][ T3599] RSP: 0018:ffffc90001affab0 EFLAGS: 00010286
[   54.361473][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   54.369487][ T3599] RDX: ffff888023a0ba00 RSI: ffffffff815f1e28 RDI: fffff5200035ff48
[   54.377541][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   54.385502][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200035ff5b
[   54.393461][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001affd10
[   54.401517][ T3599]  ? wake_up_klogd.part.0+0x8e/0xd0
[   54.406805][ T3599]  ? vprintk+0x88/0x90
[   54.410864][ T3599]  ref_tracker_free+0x4fe/0x610
[   54.415789][ T3599]  ? ref_tracker_dir_exit+0x330/0x330
[   54.421253][ T3599]  ? bpf_sk_storage_free+0x333/0x3e0
[   54.426525][ T3599]  ? lock_downgrade+0x6e0/0x6e0
[   54.431361][ T3599]  ? kfree+0x1e1/0x560
[   54.435513][ T3599]  __sk_destruct+0x4a6/0x920
[   54.440286][ T3599]  sk_destruct+0xbd/0xe0
[   54.444518][ T3599]  __sk_free+0xef/0x3d0
[   54.448660][ T3599]  sk_free+0x78/0xa0
[   54.452543][ T3599]  __mptcp_close_ssk+0x435/0x590
[   54.457491][ T3599]  __mptcp_destroy_sock+0x35f/0x830
[   54.462691][ T3599]  ? __mptcp_close_ssk+0x590/0x590
[   54.468034][ T3599]  ? __local_bh_enable_ip+0xa0/0x120
[   54.473408][ T3599]  mptcp_close+0x5f8/0x7f0
[   54.477828][ T3599]  inet_release+0x12e/0x280
[   54.482340][ T3599]  inet6_release+0x4c/0x70
[   54.487116][ T3599]  __sock_release+0xcd/0x280
[   54.492111][ T3599]  sock_close+0x18/0x20
[   54.496255][ T3599]  __fput+0x286/0x9f0
[   54.500224][ T3599]  ? __sock_release+0x280/0x280
[   54.505083][ T3599]  task_work_run+0xdd/0x1a0
[   54.509614][ T3599]  exit_to_user_mode_prepare+0x27e/0x290
[   54.515245][ T3599]  syscall_exit_to_user_mode+0x19/0x60
[   54.520839][ T3599]  do_syscall_64+0x42/0xb0
[   54.525261][ T3599]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   54.531151][ T3599] RIP: 0033:0x4b12db
[   54.535050][ T3599] 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
[   54.557898][ T3599] RSP: 002b:000000c0002934f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   54.568596][ T3599] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   54.577193][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   54.585421][ T3599] RBP: 000000c000293530 R08: 0000000000f0ae01 R09: 00007ffc50d09080
[   54.593400][ T3599] R10: 00007ffc50d09090 R11: 0000000000000206 R12: 000000000000000d
[   54.601375][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0003ac000
[   54.609487][ T3599]  </TASK>
[   54.612977][ T3599] Kernel Offset: disabled
[   54.617508][ T3599] Rebooting in 86400 seconds..