Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts.
2021/12/14 14:19:16 fuzzer started
2021/12/14 14:19:17 connecting to host at 10.128.0.169:35201
2021/12/14 14:19:17 checking machine...
2021/12/14 14:19:17 checking revisions...
2021/12/14 14:19:17 testing simple program...
syzkaller login: [   50.784889][ T3604] cgroup: Unknown subsys name 'net'
[   50.889583][ T3604] cgroup: Unknown subsys name 'rlimit'
[   52.161469][ T3606] chnl_net:caif_netlink_parms(): no params data found
[   52.204731][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.212183][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.219882][ T3606] device bridge_slave_0 entered promiscuous mode
[   52.228947][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.236144][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.243765][ T3606] device bridge_slave_1 entered promiscuous mode
[   52.263094][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   52.274271][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   52.295423][ T3606] team0: Port device team_slave_0 added
[   52.303058][ T3606] team0: Port device team_slave_1 added
[   52.319517][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0
[   52.326508][ 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.
[   52.352739][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   52.365752][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1
[   52.372736][ 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.
[   52.399021][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   52.424729][ T3606] device hsr_slave_0 entered promiscuous mode
[   52.431905][ T3606] device hsr_slave_1 entered promiscuous mode
[   52.507559][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   52.518327][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   52.527270][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   52.536068][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   52.555702][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.562872][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.570346][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.577461][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.620173][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0
[   52.632641][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   52.643645][    T5] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.652501][    T5] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.660300][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   52.673276][ T3606] 8021q: adding VLAN 0 to HW filter on device team0
[   52.683947][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   52.692298][   T20] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.699329][   T20] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.713362][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   52.722233][   T20] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.729275][   T20] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.745895][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   52.762684][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   52.770556][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   52.779505][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   52.788124][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   52.797823][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   52.814233][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   52.822541][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   52.835449][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0
[   52.852954][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   52.870202][ T3606] device veth0_vlan entered promiscuous mode
[   52.878293][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   52.887488][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   52.895383][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   52.906644][ T3606] device veth1_vlan entered promiscuous mode
[   52.914876][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   52.936010][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   52.944553][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   52.954632][ T3606] device veth0_macvtap entered promiscuous mode
[   52.965263][ T3606] device veth1_macvtap entered promiscuous mode
[   52.980096][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0
[   52.987843][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   52.997860][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   53.009479][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1
[   53.017379][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   53.028283][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   53.038528][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   53.047415][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   53.057264][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   53.136492][   T44] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.145269][   T44] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.156640][   T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   53.174891][   T44] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.183805][   T44] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.199109][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/14 14:19:19 building call list...
[   53.428877][   T44] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   55.337046][ T3597] can: request_module (can-proto-0) failed.
[   55.358588][ T3597] can: request_module (can-proto-0) failed.
[   55.378449][ T3597] can: request_module (can-proto-0) failed.
[   55.568427][ T3597] ------------[ cut here ]------------
[   55.574321][ T3597] refcount_t: decrement hit 0; leaking memory.
[   55.580707][ T3597] WARNING: CPU: 1 PID: 3597 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   55.590778][ T3597] Modules linked in:
[   55.594923][ T3597] CPU: 1 PID: 3597 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.603311][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.614056][ T3597] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.620123][ T3597] Code: 1d d1 9f a1 09 31 ff 89 de e8 cd 42 9c fd 84 db 75 e0 e8 e4 3e 9c fd 48 c7 c7 60 fa 04 8a c6 05 b1 9f a1 09 01 e8 ac 44 27 05 <0f> 0b eb c4 e8 c8 3e 9c fd 0f b6 1d a0 9f a1 09 31 ff 89 de e8 98
[   55.639758][ T3597] RSP: 0018:ffffc90001a5fab0 EFLAGS: 00010286
[   55.645951][ T3597] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.653974][ T3597] RDX: ffff888017f59d00 RSI: ffffffff815f1db8 RDI: fffff5200034bf48
[   55.662000][ T3597] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   55.669971][ T3597] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff9200034bf5b
[   55.678279][ T3597] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90001a5fd10
[   55.687656][ T3597] FS:  000000c000030490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   55.696745][ T3597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.703502][ T3597] CR2: 00007f7c072b7300 CR3: 000000007d4c0000 CR4: 00000000003506f0
[   55.711532][ T3597] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   55.719504][ T3597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   55.727529][ T3597] Call Trace:
[   55.730806][ T3597]  <TASK>
[   55.733766][ T3597]  ref_tracker_free+0x4fe/0x610
[   55.738625][ T3597]  ? ref_tracker_dir_exit+0x330/0x330
[   55.744228][ T3597]  ? bpf_sk_storage_free+0x333/0x3e0
[   55.749535][ T3597]  ? lock_downgrade+0x6e0/0x6e0
[   55.754687][ T3597]  ? kfree+0x1e1/0x560
[   55.758789][ T3597]  __sk_destruct+0x4a6/0x920
[   55.764281][ T3597]  sk_destruct+0xbd/0xe0
[   55.768520][ T3597]  __sk_free+0xef/0x3d0
[   55.772815][ T3597]  sk_free+0x78/0xa0
[   55.776725][ T3597]  __mptcp_close_ssk+0x435/0x590
[   55.781785][ T3597]  __mptcp_destroy_sock+0x35f/0x830
[   55.786990][ T3597]  ? __mptcp_close_ssk+0x590/0x590
[   55.792141][ T3597]  ? __local_bh_enable_ip+0xa0/0x120
[   55.797436][ T3597]  mptcp_close+0x5f8/0x7f0
[   55.802247][ T3597]  inet_release+0x12e/0x280
[   55.806761][ T3597]  inet6_release+0x4c/0x70
[   55.811212][ T3597]  __sock_release+0xcd/0x280
[   55.815816][ T3597]  sock_close+0x18/0x20
[   55.819964][ T3597]  __fput+0x286/0x9f0
[   55.823966][ T3597]  ? __sock_release+0x280/0x280
[   55.828829][ T3597]  task_work_run+0xdd/0x1a0
[   55.833379][ T3597]  exit_to_user_mode_prepare+0x27e/0x290
[   55.839027][ T3597]  syscall_exit_to_user_mode+0x19/0x60
[   55.844541][ T3597]  do_syscall_64+0x42/0xb0
[   55.849132][ T3597]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   55.855080][ T3597] RIP: 0033:0x4b12db
[   55.858973][ T3597] 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
[   55.878599][ T3597] RSP: 002b:000000c0001954f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   55.887035][ T3597] RAX: 0000000000000000 RBX: 000000c00001e000 RCX: 00000000004b12db
[   55.895045][ T3597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   55.903034][ T3597] RBP: 000000c000195530 R08: 0000000000f0ae01 R09: 00007fffb3dce080
[   55.911060][ T3597] R10: 00007fffb3dce090 R11: 0000000000000206 R12: 000000000000000c
[   55.919032][ T3597] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0000126e0
[   55.927050][ T3597]  </TASK>
[   55.930067][ T3597] Kernel panic - not syncing: panic_on_warn set ...
[   55.936628][ T3597] CPU: 1 PID: 3597 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.944933][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.954970][ T3597] Call Trace:
[   55.958237][ T3597]  <TASK>
[   55.961157][ T3597]  dump_stack_lvl+0xcd/0x134
[   55.965748][ T3597]  panic+0x2b0/0x6dd
[   55.969641][ T3597]  ? __warn_printk+0xf3/0xf3
[   55.974237][ T3597]  ? __warn.cold+0x1a/0x44
[   55.978650][ T3597]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.984108][ T3597]  __warn.cold+0x35/0x44
[   55.988344][ T3597]  ? wake_up_klogd.part.0+0x8e/0xd0
[   55.993539][ T3597]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.998996][ T3597]  report_bug+0x1bd/0x210
[   56.003328][ T3597]  handle_bug+0x3c/0x60
[   56.007484][ T3597]  exc_invalid_op+0x14/0x40
[   56.011986][ T3597]  asm_exc_invalid_op+0x12/0x20
[   56.016836][ T3597] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.022903][ T3597] Code: 1d d1 9f a1 09 31 ff 89 de e8 cd 42 9c fd 84 db 75 e0 e8 e4 3e 9c fd 48 c7 c7 60 fa 04 8a c6 05 b1 9f a1 09 01 e8 ac 44 27 05 <0f> 0b eb c4 e8 c8 3e 9c fd 0f b6 1d a0 9f a1 09 31 ff 89 de e8 98
[   56.042503][ T3597] RSP: 0018:ffffc90001a5fab0 EFLAGS: 00010286
[   56.048562][ T3597] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.056524][ T3597] RDX: ffff888017f59d00 RSI: ffffffff815f1db8 RDI: fffff5200034bf48
[   56.064487][ T3597] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.072449][ T3597] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff9200034bf5b
[   56.080408][ T3597] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90001a5fd10
[   56.088373][ T3597]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.093574][ T3597]  ? vprintk+0x88/0x90
[   56.097641][ T3597]  ref_tracker_free+0x4fe/0x610
[   56.102488][ T3597]  ? ref_tracker_dir_exit+0x330/0x330
[   56.107854][ T3597]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.113136][ T3597]  ? lock_downgrade+0x6e0/0x6e0
[   56.117981][ T3597]  ? kfree+0x1e1/0x560
[   56.122062][ T3597]  __sk_destruct+0x4a6/0x920
[   56.126652][ T3597]  sk_destruct+0xbd/0xe0
[   56.130890][ T3597]  __sk_free+0xef/0x3d0
[   56.135047][ T3597]  sk_free+0x78/0xa0
[   56.138934][ T3597]  __mptcp_close_ssk+0x435/0x590
[   56.143869][ T3597]  __mptcp_destroy_sock+0x35f/0x830
[   56.149415][ T3597]  ? __mptcp_close_ssk+0x590/0x590
[   56.154523][ T3597]  ? __local_bh_enable_ip+0xa0/0x120
[   56.159808][ T3597]  mptcp_close+0x5f8/0x7f0
[   56.164220][ T3597]  inet_release+0x12e/0x280
[   56.168720][ T3597]  inet6_release+0x4c/0x70
[   56.173140][ T3597]  __sock_release+0xcd/0x280
[   56.177735][ T3597]  sock_close+0x18/0x20
[   56.181884][ T3597]  __fput+0x286/0x9f0
[   56.185859][ T3597]  ? __sock_release+0x280/0x280
[   56.190709][ T3597]  task_work_run+0xdd/0x1a0
[   56.195212][ T3597]  exit_to_user_mode_prepare+0x27e/0x290
[   56.200839][ T3597]  syscall_exit_to_user_mode+0x19/0x60
[   56.206292][ T3597]  do_syscall_64+0x42/0xb0
[   56.210704][ T3597]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.216596][ T3597] RIP: 0033:0x4b12db
[   56.220487][ T3597] 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
[   56.240084][ T3597] RSP: 002b:000000c0001954f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.248834][ T3597] RAX: 0000000000000000 RBX: 000000c00001e000 RCX: 00000000004b12db
[   56.256796][ T3597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.264754][ T3597] RBP: 000000c000195530 R08: 0000000000f0ae01 R09: 00007fffb3dce080
[   56.272714][ T3597] R10: 00007fffb3dce090 R11: 0000000000000206 R12: 000000000000000c
[   56.280675][ T3597] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0000126e0
[   56.288651][ T3597]  </TASK>
[   56.291857][ T3597] Kernel Offset: disabled
[   56.296257][ T3597] Rebooting in 86400 seconds..