Warning: Permanently added '10.128.0.39' (ECDSA) to the list of known hosts.
2021/12/20 07:32:29 fuzzer started
2021/12/20 07:32:29 connecting to host at 10.128.0.169:36367
2021/12/20 07:32:29 checking machine...
2021/12/20 07:32:29 checking revisions...
2021/12/20 07:32:29 testing simple program...
syzkaller login: [   49.876301][ T3604] cgroup: Unknown subsys name 'net'
[   50.013982][ T3604] cgroup: Unknown subsys name 'rlimit'
[   51.392895][ T3606] chnl_net:caif_netlink_parms(): no params data found
[   51.458073][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.465737][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state
[   51.474263][ T3606] device bridge_slave_0 entered promiscuous mode
[   51.484477][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.491727][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state
[   51.500099][ T3606] device bridge_slave_1 entered promiscuous mode
[   51.520387][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   51.531267][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   51.555236][ T3606] team0: Port device team_slave_0 added
[   51.563603][ T3606] team0: Port device team_slave_1 added
[   51.581335][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0
[   51.588894][ T3606] 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.
[   51.615885][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   51.628839][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1
[   51.635782][ T3606] 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.
[   51.662930][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   51.689521][ T3606] device hsr_slave_0 entered promiscuous mode
[   51.696617][ T3606] device hsr_slave_1 entered promiscuous mode
[   51.777861][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   51.788829][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   51.797721][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   51.807703][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   51.828857][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.836014][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state
[   51.843825][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.850932][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state
[   51.895846][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0
[   51.908135][ T1898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   51.920568][ T1898] bridge0: port 1(bridge_slave_0) entered disabled state
[   51.929174][ T1898] bridge0: port 2(bridge_slave_1) entered disabled state
[   51.938019][ T1898] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   51.952538][ T3606] 8021q: adding VLAN 0 to HW filter on device team0
[   51.963743][ T1898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   51.973189][ T1898] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.980409][ T1898] bridge0: port 1(bridge_slave_0) entered forwarding state
[   51.991926][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   52.000640][   T25] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.007984][   T25] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.029405][ T1898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   52.039896][ T1898] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   52.051878][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   52.063051][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   52.075984][ T3606] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   52.087999][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   52.095848][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   52.113978][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   52.121449][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   52.134250][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0
[   52.159468][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   52.173008][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   52.183855][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   52.191880][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   52.202125][ T3606] device veth0_vlan entered promiscuous mode
[   52.212934][ T3606] device veth1_vlan entered promiscuous mode
[   52.232904][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   52.241184][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   52.249545][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   52.261132][ T3606] device veth0_macvtap entered promiscuous mode
[   52.270230][ T3606] device veth1_macvtap entered promiscuous mode
[   52.288770][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0
[   52.296571][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   52.308386][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   52.320655][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1
[   52.328458][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   52.340318][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   52.349286][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   52.358671][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   52.369088][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   52.430867][   T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   52.440517][   T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   52.460460][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   52.479472][   T90] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   52.487782][   T90] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   52.496379][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/20 07:32:32 building call list...
executing program
[   52.782702][   T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   54.692257][ T3599] can: request_module (can-proto-0) failed.
[   54.714515][ T3599] can: request_module (can-proto-0) failed.
[   54.736155][ T3599] can: request_module (can-proto-0) failed.
[   54.936161][ T3599] ------------[ cut here ]------------
[   54.942869][ T3599] refcount_t: decrement hit 0; leaking memory.
[   54.949582][ T3599] WARNING: CPU: 1 PID: 3599 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   54.959544][ T3599] Modules linked in:
[   54.963476][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   54.972496][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.984187][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   54.991075][ T3599] Code: 1d 30 8e a1 09 31 ff 89 de e8 dd 39 9c fd 84 db 75 e0 e8 f4 35 9c fd 48 c7 c7 60 fb 04 8a c6 05 10 8e a1 09 01 e8 4c 4b 27 05 <0f> 0b eb c4 e8 d8 35 9c fd 0f b6 1d ff 8d a1 09 31 ff 89 de e8 a8
[   55.011930][ T3599] RSP: 0018:ffffc90002acfab0 EFLAGS: 00010286
[   55.018956][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.027951][ T3599] RDX: ffff888021ddd700 RSI: ffffffff815f1e28 RDI: fffff52000559f48
[   55.035916][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   55.044600][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000559f5b
[   55.053953][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fc294 R15: ffffc90002acfd10
[   55.062481][ T3599] FS:  000000c00002ec90(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[   55.073882][ T3599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.080913][ T3599] CR2: 00007f31e9e40300 CR3: 000000001977c000 CR4: 00000000003506e0
[   55.089992][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   55.098713][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   55.107816][ T3599] Call Trace:
[   55.112347][ T3599]  <TASK>
[   55.115267][ T3599]  ref_tracker_free+0x4fe/0x610
[   55.120419][ T3599]  ? ref_tracker_dir_exit+0x330/0x330
[   55.125788][ T3599]  ? bpf_sk_storage_free+0x333/0x3e0
[   55.132085][ T3599]  ? lock_downgrade+0x6e0/0x6e0
[   55.137285][ T3599]  ? kfree+0x1e1/0x560
[   55.141462][ T3599]  __sk_destruct+0x4a6/0x920
[   55.146226][ T3599]  sk_destruct+0xbd/0xe0
[   55.151483][ T3599]  __sk_free+0xef/0x3d0
[   55.155646][ T3599]  sk_free+0x78/0xa0
[   55.159787][ T3599]  __mptcp_close_ssk+0x435/0x590
[   55.164768][ T3599]  __mptcp_destroy_sock+0x35f/0x830
[   55.170283][ T3599]  ? __mptcp_close_ssk+0x590/0x590
[   55.175421][ T3599]  ? __local_bh_enable_ip+0xa0/0x120
[   55.180816][ T3599]  mptcp_close+0x5f8/0x7f0
[   55.185258][ T3599]  inet_release+0x12e/0x280
[   55.189918][ T3599]  inet6_release+0x4c/0x70
[   55.194355][ T3599]  __sock_release+0xcd/0x280
[   55.199020][ T3599]  sock_close+0x18/0x20
[   55.203193][ T3599]  __fput+0x286/0x9f0
[   55.207241][ T3599]  ? __sock_release+0x280/0x280
[   55.212220][ T3599]  task_work_run+0xdd/0x1a0
[   55.216908][ T3599]  exit_to_user_mode_prepare+0x27e/0x290
[   55.222712][ T3599]  syscall_exit_to_user_mode+0x19/0x60
[   55.228243][ T3599]  do_syscall_64+0x42/0xb0
[   55.232674][ T3599]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   55.238609][ T3599] RIP: 0033:0x4b12db
[   55.242511][ 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
[   55.262265][ T3599] RSP: 002b:000000c0001734f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   55.270711][ T3599] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[   55.278755][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   55.286783][ T3599] RBP: 000000c000173530 R08: 0000000000f0ae01 R09: 00007ffdecd48080
[   55.294774][ T3599] R10: 00007ffdecd48090 R11: 0000000000000206 R12: 000000000000000e
[   55.302825][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0002d8000
[   55.311140][ T3599]  </TASK>
[   55.314180][ T3599] Kernel panic - not syncing: panic_on_warn set ...
[   55.320761][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.329096][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.339326][ T3599] Call Trace:
[   55.342596][ T3599]  <TASK>
[   55.345518][ T3599]  dump_stack_lvl+0xcd/0x134
[   55.350123][ T3599]  panic+0x2b0/0x6dd
[   55.354024][ T3599]  ? __warn_printk+0xf3/0xf3
[   55.358743][ T3599]  ? __warn.cold+0x1a/0x44
[   55.363163][ T3599]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.368904][ T3599]  __warn.cold+0x35/0x44
[   55.373149][ T3599]  ? wake_up_klogd.part.0+0x8e/0xd0
[   55.378354][ T3599]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.383921][ T3599]  report_bug+0x1bd/0x210
[   55.388257][ T3599]  handle_bug+0x3c/0x60
[   55.392416][ T3599]  exc_invalid_op+0x14/0x40
[   55.396943][ T3599]  asm_exc_invalid_op+0x12/0x20
[   55.401885][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.407956][ T3599] Code: 1d 30 8e a1 09 31 ff 89 de e8 dd 39 9c fd 84 db 75 e0 e8 f4 35 9c fd 48 c7 c7 60 fb 04 8a c6 05 10 8e a1 09 01 e8 4c 4b 27 05 <0f> 0b eb c4 e8 d8 35 9c fd 0f b6 1d ff 8d a1 09 31 ff 89 de e8 a8
[   55.427798][ T3599] RSP: 0018:ffffc90002acfab0 EFLAGS: 00010286
[   55.433885][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.442574][ T3599] RDX: ffff888021ddd700 RSI: ffffffff815f1e28 RDI: fffff52000559f48
[   55.450550][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   55.458695][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000559f5b
[   55.466667][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fc294 R15: ffffc90002acfd10
[   55.474729][ T3599]  ? wake_up_klogd.part.0+0x8e/0xd0
[   55.479939][ T3599]  ? vprintk+0x88/0x90
[   55.484103][ T3599]  ref_tracker_free+0x4fe/0x610
[   55.489067][ T3599]  ? ref_tracker_dir_exit+0x330/0x330
[   55.494754][ T3599]  ? bpf_sk_storage_free+0x333/0x3e0
[   55.500252][ T3599]  ? lock_downgrade+0x6e0/0x6e0
[   55.505120][ T3599]  ? kfree+0x1e1/0x560
[   55.509208][ T3599]  __sk_destruct+0x4a6/0x920
[   55.513809][ T3599]  sk_destruct+0xbd/0xe0
[   55.518061][ T3599]  __sk_free+0xef/0x3d0
[   55.522313][ T3599]  sk_free+0x78/0xa0
[   55.526219][ T3599]  __mptcp_close_ssk+0x435/0x590
[   55.531250][ T3599]  __mptcp_destroy_sock+0x35f/0x830
[   55.536449][ T3599]  ? __mptcp_close_ssk+0x590/0x590
[   55.541657][ T3599]  ? __local_bh_enable_ip+0xa0/0x120
[   55.547037][ T3599]  mptcp_close+0x5f8/0x7f0
[   55.551461][ T3599]  inet_release+0x12e/0x280
[   55.555970][ T3599]  inet6_release+0x4c/0x70
[   55.560392][ T3599]  __sock_release+0xcd/0x280
[   55.565339][ T3599]  sock_close+0x18/0x20
[   55.569835][ T3599]  __fput+0x286/0x9f0
[   55.573901][ T3599]  ? __sock_release+0x280/0x280
[   55.578759][ T3599]  task_work_run+0xdd/0x1a0
[   55.583361][ T3599]  exit_to_user_mode_prepare+0x27e/0x290
[   55.588996][ T3599]  syscall_exit_to_user_mode+0x19/0x60
[   55.594543][ T3599]  do_syscall_64+0x42/0xb0
[   55.598970][ T3599]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   55.604867][ T3599] RIP: 0033:0x4b12db
[   55.608757][ 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
[   55.628446][ T3599] RSP: 002b:000000c0001734f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   55.636856][ T3599] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[   55.644822][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   55.652786][ T3599] RBP: 000000c000173530 R08: 0000000000f0ae01 R09: 00007ffdecd48080
[   55.660750][ T3599] R10: 00007ffdecd48090 R11: 0000000000000206 R12: 000000000000000e
[   55.668713][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0002d8000
[   55.676702][ T3599]  </TASK>
[   55.680184][ T3599] Kernel Offset: disabled
[   55.684657][ T3599] Rebooting in 86400 seconds..