Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts.
2021/12/17 04:09:01 fuzzer started
2021/12/17 04:09:02 connecting to host at 10.128.0.169:33157
2021/12/17 04:09:02 checking machine...
2021/12/17 04:09:02 checking revisions...
2021/12/17 04:09:02 testing simple program...
syzkaller login: [   51.677590][ T3606] cgroup: Unknown subsys name 'net'
[   51.778622][ T3606] cgroup: Unknown subsys name 'rlimit'
[   53.080382][ T3608] chnl_net:caif_netlink_parms(): no params data found
[   53.134909][ T3608] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.143373][ T3608] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.153400][ T3608] device bridge_slave_0 entered promiscuous mode
[   53.164337][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.172021][ T3608] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.180117][ T3608] device bridge_slave_1 entered promiscuous mode
[   53.204440][ T3608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.216126][ T3608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.242035][ T3608] team0: Port device team_slave_0 added
[   53.249951][ T3608] team0: Port device team_slave_1 added
[   53.270941][ T3608] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.278307][ 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.
[   53.305845][ T3608] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   53.319493][ T3608] batman_adv: batadv0: Adding interface: batadv_slave_1
[   53.326830][ 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.
[   53.354310][ T3608] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   53.385123][ T3608] device hsr_slave_0 entered promiscuous mode
[   53.393072][ T3608] device hsr_slave_1 entered promiscuous mode
[   53.482548][ T3608] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   53.493683][ T3608] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   53.503112][ T3608] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   53.514370][ T3608] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   53.536679][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.544089][ T3608] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.552156][ T3608] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.559509][ T3608] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.607647][ T3608] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.620501][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.630457][   T20] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.639920][   T20] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.648843][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.663989][ T3608] 8021q: adding VLAN 0 to HW filter on device team0
[   53.675295][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.684876][ T3617] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.693344][ T3617] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.712514][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.721069][ T3617] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.728967][ T3617] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.741727][  T921] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.753789][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.766279][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.785060][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.794168][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.804953][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.822965][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.830544][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   53.844594][ T3608] 8021q: adding VLAN 0 to HW filter on device batadv0
[   53.860927][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   53.881353][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   53.891228][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   53.899561][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   53.910952][ T3608] device veth0_vlan entered promiscuous mode
[   53.924710][ T3608] device veth1_vlan entered promiscuous mode
[   53.943364][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   53.954058][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   53.962692][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   53.974669][ T3608] device veth0_macvtap entered promiscuous mode
[   53.984717][ T3608] device veth1_macvtap entered promiscuous mode
[   54.000428][ T3608] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.008240][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   54.018008][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   54.031166][ T3608] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.040183][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.051880][ T3608] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.061276][ T3608] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.071212][ T3608] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.080547][ T3608] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.143873][   T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.152649][   T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.166905][  T921] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.184363][   T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.193842][   T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.205147][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/17 04:09:04 building call list...
[   54.459714][   T49] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   56.371682][ T3599] can: request_module (can-proto-0) failed.
[   56.395357][ T3599] can: request_module (can-proto-0) failed.
[   56.420400][ T3599] can: request_module (can-proto-0) failed.
[   56.617490][ T3599] ------------[ cut here ]------------
[   56.623999][ T3599] refcount_t: decrement hit 0; leaking memory.
[   56.630485][ T3599] WARNING: CPU: 1 PID: 3599 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   56.640771][ T3599] Modules linked in:
[   56.644904][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.654946][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.665366][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.671964][ T3599] 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
[   56.692376][ T3599] RSP: 0018:ffffc90001f2fab0 EFLAGS: 00010286
[   56.698547][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.708265][ T3599] RDX: ffff88807735d700 RSI: ffffffff815f1e28 RDI: fffff520003e5f48
[   56.717358][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.726827][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003e5f5b
[   56.735321][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcfd4 R15: ffffc90001f2fd10
[   56.743647][ T3599] FS:  000000c00002e490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[   56.754159][ T3599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.761016][ T3599] CR2: 00007f1d0db28bf6 CR3: 000000001a3de000 CR4: 00000000003506e0
[   56.769609][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.777815][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.786319][ T3599] Call Trace:
[   56.789798][ T3599]  <TASK>
[   56.792921][ T3599]  ref_tracker_free+0x4fe/0x610
[   56.797977][ T3599]  ? ref_tracker_dir_exit+0x330/0x330
[   56.804240][ T3599]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.810026][ T3599]  ? lock_downgrade+0x6e0/0x6e0
[   56.815568][ T3599]  ? kfree+0x1e1/0x560
[   56.819852][ T3599]  __sk_destruct+0x4a6/0x920
[   56.824765][ T3599]  sk_destruct+0xbd/0xe0
[   56.829220][ T3599]  __sk_free+0xef/0x3d0
[   56.833478][ T3599]  sk_free+0x78/0xa0
[   56.837399][ T3599]  __mptcp_close_ssk+0x435/0x590
[   56.843473][ T3599]  __mptcp_destroy_sock+0x35f/0x830
[   56.848867][ T3599]  ? __mptcp_close_ssk+0x590/0x590
[   56.856626][ T3599]  ? __local_bh_enable_ip+0xa0/0x120
[   56.862218][ T3599]  mptcp_close+0x5f8/0x7f0
[   56.866985][ T3599]  inet_release+0x12e/0x280
[   56.871927][ T3599]  inet6_release+0x4c/0x70
[   56.876809][ T3599]  __sock_release+0xcd/0x280
[   56.881437][ T3599]  sock_close+0x18/0x20
[   56.885781][ T3599]  __fput+0x286/0x9f0
[   56.889868][ T3599]  ? __sock_release+0x280/0x280
[   56.894925][ T3599]  task_work_run+0xdd/0x1a0
[   56.899457][ T3599]  exit_to_user_mode_prepare+0x27e/0x290
[   56.905422][ T3599]  syscall_exit_to_user_mode+0x19/0x60
[   56.910923][ T3599]  do_syscall_64+0x42/0xb0
[   56.915891][ T3599]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.922242][ T3599] RIP: 0033:0x4b12db
[   56.926244][ 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
[   56.946404][ T3599] RSP: 002b:000000c0002fd4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.955294][ T3599] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[   56.963598][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.971944][ T3599] RBP: 000000c0002fd530 R08: 0000000000f0ae01 R09: 00007ffc6db9b080
[   56.980306][ T3599] R10: 00007ffc6db9b090 R11: 0000000000000206 R12: 0000000000000007
[   56.988659][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0003ac280
[   56.997177][ T3599]  </TASK>
[   57.000213][ T3599] Kernel panic - not syncing: panic_on_warn set ...
[   57.006906][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.016124][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.026676][ T3599] Call Trace:
[   57.030566][ T3599]  <TASK>
[   57.033644][ T3599]  dump_stack_lvl+0xcd/0x134
[   57.038524][ T3599]  panic+0x2b0/0x6dd
[   57.042872][ T3599]  ? __warn_printk+0xf3/0xf3
[   57.047660][ T3599]  ? __warn.cold+0x1a/0x44
[   57.052677][ T3599]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.058326][ T3599]  __warn.cold+0x35/0x44
[   57.062699][ T3599]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.068173][ T3599]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.073641][ T3599]  report_bug+0x1bd/0x210
[   57.078263][ T3599]  handle_bug+0x3c/0x60
[   57.083253][ T3599]  exc_invalid_op+0x14/0x40
[   57.087876][ T3599]  asm_exc_invalid_op+0x12/0x20
[   57.092888][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.098990][ T3599] 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
[   57.118849][ T3599] RSP: 0018:ffffc90001f2fab0 EFLAGS: 00010286
[   57.124915][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.132883][ T3599] RDX: ffff88807735d700 RSI: ffffffff815f1e28 RDI: fffff520003e5f48
[   57.141244][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.150419][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003e5f5b
[   57.158697][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcfd4 R15: ffffc90001f2fd10
[   57.166808][ T3599]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.172022][ T3599]  ? vprintk+0x88/0x90
[   57.176115][ T3599]  ref_tracker_free+0x4fe/0x610
[   57.181063][ T3599]  ? ref_tracker_dir_exit+0x330/0x330
[   57.186575][ T3599]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.192031][ T3599]  ? lock_downgrade+0x6e0/0x6e0
[   57.197000][ T3599]  ? kfree+0x1e1/0x560
[   57.201083][ T3599]  __sk_destruct+0x4a6/0x920
[   57.205673][ T3599]  sk_destruct+0xbd/0xe0
[   57.210235][ T3599]  __sk_free+0xef/0x3d0
[   57.214541][ T3599]  sk_free+0x78/0xa0
[   57.218540][ T3599]  __mptcp_close_ssk+0x435/0x590
[   57.223738][ T3599]  __mptcp_destroy_sock+0x35f/0x830
[   57.229142][ T3599]  ? __mptcp_close_ssk+0x590/0x590
[   57.234388][ T3599]  ? __local_bh_enable_ip+0xa0/0x120
[   57.239803][ T3599]  mptcp_close+0x5f8/0x7f0
[   57.244373][ T3599]  inet_release+0x12e/0x280
[   57.248884][ T3599]  inet6_release+0x4c/0x70
[   57.253293][ T3599]  __sock_release+0xcd/0x280
[   57.257882][ T3599]  sock_close+0x18/0x20
[   57.262027][ T3599]  __fput+0x286/0x9f0
[   57.266004][ T3599]  ? __sock_release+0x280/0x280
[   57.271020][ T3599]  task_work_run+0xdd/0x1a0
[   57.275898][ T3599]  exit_to_user_mode_prepare+0x27e/0x290
[   57.281639][ T3599]  syscall_exit_to_user_mode+0x19/0x60
[   57.287291][ T3599]  do_syscall_64+0x42/0xb0
[   57.291842][ T3599]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.298067][ T3599] RIP: 0033:0x4b12db
[   57.301957][ 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
[   57.322024][ T3599] RSP: 002b:000000c0002fd4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.330619][ T3599] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[   57.338970][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.347086][ T3599] RBP: 000000c0002fd530 R08: 0000000000f0ae01 R09: 00007ffc6db9b080
[   57.355317][ T3599] R10: 00007ffc6db9b090 R11: 0000000000000206 R12: 0000000000000007
[   57.363289][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0003ac280
[   57.371414][ T3599]  </TASK>
[   57.375048][ T3599] Kernel Offset: disabled
[   57.379661][ T3599] Rebooting in 86400 seconds..