Warning: Permanently added '10.128.10.33' (ECDSA) to the list of known hosts.
2021/12/17 04:09:01 fuzzer started
2021/12/17 04:09:01 connecting to host at 10.128.0.169:41223
2021/12/17 04:09:01 checking machine...
2021/12/17 04:09:01 checking revisions...
2021/12/17 04:09:01 testing simple program...
syzkaller login: [   50.362925][ T3605] cgroup: Unknown subsys name 'net'
[   50.491965][ T3605] cgroup: Unknown subsys name 'rlimit'
[   51.868921][ T3607] chnl_net:caif_netlink_parms(): no params data found
[   51.913082][ T3607] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.920728][ T3607] bridge0: port 1(bridge_slave_0) entered disabled state
[   51.928912][ T3607] device bridge_slave_0 entered promiscuous mode
[   51.937861][ T3607] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.945335][ T3607] bridge0: port 2(bridge_slave_1) entered disabled state
[   51.953053][ T3607] device bridge_slave_1 entered promiscuous mode
[   51.973809][ T3607] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   51.984859][ T3607] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   52.008239][ T3607] team0: Port device team_slave_0 added
[   52.016419][ T3607] team0: Port device team_slave_1 added
[   52.033547][ T3607] batman_adv: batadv0: Adding interface: batadv_slave_0
[   52.040724][ T3607] 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.
[   52.066895][ T3607] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   52.079482][ T3607] batman_adv: batadv0: Adding interface: batadv_slave_1
[   52.086554][ T3607] 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.
[   52.112510][ T3607] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   52.138922][ T3607] device hsr_slave_0 entered promiscuous mode
[   52.145723][ T3607] device hsr_slave_1 entered promiscuous mode
[   52.225950][ T3607] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   52.237005][ T3607] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   52.245948][ T3607] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   52.254866][ T3607] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   52.276540][ T3607] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.283809][ T3607] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.291710][ T3607] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.298838][ T3607] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.342855][ T3607] 8021q: adding VLAN 0 to HW filter on device bond0
[   52.355651][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   52.366644][ T2934] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.374955][ T2934] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.383139][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   52.397730][ T3607] 8021q: adding VLAN 0 to HW filter on device team0
[   52.409447][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   52.418196][   T25] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.425314][   T25] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.448060][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   52.456721][   T25] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.463770][   T25] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.473031][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   52.482049][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   52.496267][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   52.504095][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   52.516854][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   52.528983][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   52.546868][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   52.554318][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   52.568869][ T3607] 8021q: adding VLAN 0 to HW filter on device batadv0
[   52.586892][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   52.606635][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   52.615046][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   52.622986][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   52.633729][ T3607] device veth0_vlan entered promiscuous mode
[   52.644691][ T3607] device veth1_vlan entered promiscuous mode
[   52.663334][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   52.672266][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   52.681291][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   52.691752][ T3607] device veth0_macvtap entered promiscuous mode
[   52.702217][ T3607] device veth1_macvtap entered promiscuous mode
[   52.718101][ T3607] batman_adv: batadv0: Interface activated: batadv_slave_0
[   52.727162][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   52.737433][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   52.749328][ T3607] batman_adv: batadv0: Interface activated: batadv_slave_1
[   52.758901][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   52.770025][ T3607] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   52.779501][ T3607] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   52.788986][ T3607] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   52.798469][ T3607] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   52.858886][ T1031] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   52.869083][ T1031] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   52.888118][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   52.908680][ T1155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   52.916889][ T1155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   52.926291][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/17 04:09:04 building call list...
[   53.167906][ T1031] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   55.083202][ T3602] can: request_module (can-proto-0) failed.
[   55.106447][ T3602] can: request_module (can-proto-0) failed.
[   55.127156][ T3602] can: request_module (can-proto-0) failed.
[   55.321938][ T3602] ------------[ cut here ]------------
[   55.328772][ T3602] refcount_t: decrement hit 0; leaking memory.
[   55.335630][ T3602] WARNING: CPU: 1 PID: 3602 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   55.344990][ T3602] Modules linked in:
[   55.349467][ T3602] CPU: 1 PID: 3602 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.358178][ T3602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.368503][ T3602] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.374597][ T3602] Code: 1d 11 92 a1 09 31 ff 89 de e8 7d 30 9c fd 84 db 75 e0 e8 94 2c 9c fd 48 c7 c7 a0 00 05 8a c6 05 f1 91 a1 09 01 e8 ec 51 27 05 <0f> 0b eb c4 e8 78 2c 9c fd 0f b6 1d e0 91 a1 09 31 ff 89 de e8 48
[   55.394446][ T3602] RSP: 0018:ffffc90001b0fab0 EFLAGS: 00010286
[   55.400772][ T3602] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.409050][ T3602] RDX: ffff88801d7c8000 RSI: ffffffff815f1e28 RDI: fffff52000361f48
[   55.417173][ T3602] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   55.425331][ T3602] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000361f5b
[   55.433313][ T3602] R13: 00000000ffffffef R14: ffffffff8d2fcfd4 R15: ffffc90001b0fd10
[   55.441627][ T3602] FS:  000000c0001d7490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   55.450715][ T3602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.457833][ T3602] CR2: 00007fc98b25f300 CR3: 0000000074b21000 CR4: 00000000003506f0
[   55.466119][ T3602] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   55.474111][ T3602] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   55.482326][ T3602] Call Trace:
[   55.486117][ T3602]  <TASK>
[   55.489065][ T3602]  ref_tracker_free+0x4fe/0x610
[   55.494029][ T3602]  ? ref_tracker_dir_exit+0x330/0x330
[   55.499657][ T3602]  ? bpf_sk_storage_free+0x333/0x3e0
[   55.504971][ T3602]  ? lock_downgrade+0x6e0/0x6e0
[   55.510086][ T3602]  ? kfree+0x1e1/0x560
[   55.514190][ T3602]  __sk_destruct+0x4a6/0x920
[   55.519110][ T3602]  sk_destruct+0xbd/0xe0
[   55.523362][ T3602]  __sk_free+0xef/0x3d0
[   55.527922][ T3602]  sk_free+0x78/0xa0
[   55.531844][ T3602]  __mptcp_close_ssk+0x435/0x590
[   55.537211][ T3602]  __mptcp_destroy_sock+0x35f/0x830
[   55.542446][ T3602]  ? __mptcp_close_ssk+0x590/0x590
[   55.547908][ T3602]  ? __local_bh_enable_ip+0xa0/0x120
[   55.553404][ T3602]  mptcp_close+0x5f8/0x7f0
[   55.557993][ T3602]  inet_release+0x12e/0x280
[   55.562590][ T3602]  inet6_release+0x4c/0x70
[   55.567380][ T3602]  __sock_release+0xcd/0x280
[   55.572122][ T3602]  sock_close+0x18/0x20
[   55.576509][ T3602]  __fput+0x286/0x9f0
[   55.580520][ T3602]  ? __sock_release+0x280/0x280
[   55.585936][ T3602]  task_work_run+0xdd/0x1a0
[   55.590518][ T3602]  exit_to_user_mode_prepare+0x27e/0x290
[   55.596226][ T3602]  syscall_exit_to_user_mode+0x19/0x60
[   55.601698][ T3602]  do_syscall_64+0x42/0xb0
[   55.606197][ T3602]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   55.612107][ T3602] RIP: 0033:0x4b12db
[   55.616098][ T3602] 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
[   55.635956][ T3602] RSP: 002b:000000c0003614f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   55.644387][ T3602] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   55.652434][ T3602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   55.660485][ T3602] RBP: 000000c000361530 R08: 0000000000f0ae01 R09: 00007ffc18e52080
[   55.669221][ T3602] R10: 00007ffc18e52090 R11: 0000000000000206 R12: 000000000000000d
[   55.677876][ T3602] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0002ee3c0
[   55.686128][ T3602]  </TASK>
[   55.689530][ T3602] Kernel panic - not syncing: panic_on_warn set ...
[   55.696247][ T3602] CPU: 0 PID: 3602 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.704584][ T3602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.714650][ T3602] Call Trace:
[   55.717943][ T3602]  <TASK>
[   55.720863][ T3602]  dump_stack_lvl+0xcd/0x134
[   55.725622][ T3602]  panic+0x2b0/0x6dd
[   55.734083][ T3602]  ? __warn_printk+0xf3/0xf3
[   55.738741][ T3602]  ? __warn.cold+0x1a/0x44
[   55.743211][ T3602]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.748684][ T3602]  __warn.cold+0x35/0x44
[   55.753027][ T3602]  ? wake_up_klogd.part.0+0x8e/0xd0
[   55.758317][ T3602]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.763812][ T3602]  report_bug+0x1bd/0x210
[   55.768168][ T3602]  handle_bug+0x3c/0x60
[   55.772317][ T3602]  exc_invalid_op+0x14/0x40
[   55.776818][ T3602]  asm_exc_invalid_op+0x12/0x20
[   55.781656][ T3602] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.787799][ T3602] Code: 1d 11 92 a1 09 31 ff 89 de e8 7d 30 9c fd 84 db 75 e0 e8 94 2c 9c fd 48 c7 c7 a0 00 05 8a c6 05 f1 91 a1 09 01 e8 ec 51 27 05 <0f> 0b eb c4 e8 78 2c 9c fd 0f b6 1d e0 91 a1 09 31 ff 89 de e8 48
[   55.807777][ T3602] RSP: 0018:ffffc90001b0fab0 EFLAGS: 00010286
[   55.814113][ T3602] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.822075][ T3602] RDX: ffff88801d7c8000 RSI: ffffffff815f1e28 RDI: fffff52000361f48
[   55.830170][ T3602] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   55.838309][ T3602] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000361f5b
[   55.846275][ T3602] R13: 00000000ffffffef R14: ffffffff8d2fcfd4 R15: ffffc90001b0fd10
[   55.854308][ T3602]  ? wake_up_klogd.part.0+0x8e/0xd0
[   55.859572][ T3602]  ? vprintk+0x88/0x90
[   55.863688][ T3602]  ref_tracker_free+0x4fe/0x610
[   55.868916][ T3602]  ? ref_tracker_dir_exit+0x330/0x330
[   55.874490][ T3602]  ? bpf_sk_storage_free+0x333/0x3e0
[   55.879798][ T3602]  ? lock_downgrade+0x6e0/0x6e0
[   55.884743][ T3602]  ? kfree+0x1e1/0x560
[   55.889005][ T3602]  __sk_destruct+0x4a6/0x920
[   55.893598][ T3602]  sk_destruct+0xbd/0xe0
[   55.897835][ T3602]  __sk_free+0xef/0x3d0
[   55.901994][ T3602]  sk_free+0x78/0xa0
[   55.905898][ T3602]  __mptcp_close_ssk+0x435/0x590
[   55.910825][ T3602]  __mptcp_destroy_sock+0x35f/0x830
[   55.916096][ T3602]  ? __mptcp_close_ssk+0x590/0x590
[   55.921286][ T3602]  ? __local_bh_enable_ip+0xa0/0x120
[   55.926576][ T3602]  mptcp_close+0x5f8/0x7f0
[   55.930983][ T3602]  inet_release+0x12e/0x280
[   55.935571][ T3602]  inet6_release+0x4c/0x70
[   55.940060][ T3602]  __sock_release+0xcd/0x280
[   55.944822][ T3602]  sock_close+0x18/0x20
[   55.949069][ T3602]  __fput+0x286/0x9f0
[   55.954083][ T3602]  ? __sock_release+0x280/0x280
[   55.959044][ T3602]  task_work_run+0xdd/0x1a0
[   55.963805][ T3602]  exit_to_user_mode_prepare+0x27e/0x290
[   55.969514][ T3602]  syscall_exit_to_user_mode+0x19/0x60
[   55.975059][ T3602]  do_syscall_64+0x42/0xb0
[   55.979471][ T3602]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   55.985813][ T3602] RIP: 0033:0x4b12db
[   55.989694][ T3602] 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
[   56.009480][ T3602] RSP: 002b:000000c0003614f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.017881][ T3602] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   56.025836][ T3602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.033788][ T3602] RBP: 000000c000361530 R08: 0000000000f0ae01 R09: 00007ffc18e52080
[   56.041926][ T3602] R10: 00007ffc18e52090 R11: 0000000000000206 R12: 000000000000000d
[   56.049885][ T3602] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0002ee3c0
[   56.058028][ T3602]  </TASK>
[   56.061539][ T3602] Kernel Offset: disabled
[   56.065968][ T3602] Rebooting in 86400 seconds..