Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts.
2021/12/16 20:42:32 fuzzer started
2021/12/16 20:42:32 connecting to host at 10.128.0.169:42585
2021/12/16 20:42:32 checking machine...
2021/12/16 20:42:32 checking revisions...
2021/12/16 20:42:32 testing simple program...
syzkaller login: [   51.681126][ T3604] cgroup: Unknown subsys name 'net'
[   51.761784][ T3604] cgroup: Unknown subsys name 'rlimit'
[   53.136865][ T3606] chnl_net:caif_netlink_parms(): no params data found
[   53.182187][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.189791][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.198051][ T3606] device bridge_slave_0 entered promiscuous mode
[   53.207839][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.215116][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.222843][ T3606] device bridge_slave_1 entered promiscuous mode
[   53.245643][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.256700][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.279920][ T3606] team0: Port device team_slave_0 added
[   53.287989][ T3606] team0: Port device team_slave_1 added
[   53.305115][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.312070][ 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.
[   53.338400][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   53.351770][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1
[   53.358827][ 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.
[   53.384915][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   53.411916][ T3606] device hsr_slave_0 entered promiscuous mode
[   53.419406][ T3606] device hsr_slave_1 entered promiscuous mode
[   53.502113][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   53.513657][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   53.522874][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   53.531780][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   53.554440][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.561728][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.569673][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.576862][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.623532][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.635598][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.647862][  T136] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.657630][  T136] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.666032][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.680269][ T3606] 8021q: adding VLAN 0 to HW filter on device team0
[   53.692014][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.701518][ T3268] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.708685][ T3268] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.721626][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.730799][ T3615] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.737891][ T3615] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.757652][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.766976][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.784500][ T3606] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   53.795316][ T3606] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   53.809550][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.818040][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.827196][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.836929][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.856025][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.863690][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   53.874350][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0
[   53.896841][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   53.911575][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   53.920243][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   53.928867][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   53.941121][ T3606] device veth0_vlan entered promiscuous mode
[   53.952282][ T3606] device veth1_vlan entered promiscuous mode
[   53.974206][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   53.982716][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   53.991343][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   54.002235][ T3606] device veth0_macvtap entered promiscuous mode
[   54.013698][ T3606] device veth1_macvtap entered promiscuous mode
[   54.030498][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.039341][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   54.049166][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   54.060964][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.069150][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.080289][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.090508][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.099649][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.108849][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.173791][   T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.185080][   T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.198757][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.212387][   T54] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.220766][   T54] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.230673][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/16 20:42:35 building call list...
executing program
[   54.543165][    T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   56.400583][ T3598] can: request_module (can-proto-0) failed.
[   56.422394][ T3598] can: request_module (can-proto-0) failed.
[   56.444060][ T3598] can: request_module (can-proto-0) failed.
[   56.639101][ T3598] ------------[ cut here ]------------
[   56.645151][ T3598] refcount_t: decrement hit 0; leaking memory.
[   56.651525][ T3598] WARNING: CPU: 0 PID: 3598 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   56.660901][ T3598] Modules linked in:
[   56.664992][ T3598] CPU: 0 PID: 3598 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.673309][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.683449][ T3598] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.690046][ T3598] 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
[   56.710133][ T3598] RSP: 0018:ffffc90001f4fab0 EFLAGS: 00010286
[   56.717952][ T3598] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.726075][ T3598] RDX: ffff88807f971d00 RSI: ffffffff815f1e28 RDI: fffff520003e9f48
[   56.734068][ T3598] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.742230][ T3598] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003e9f5b
[   56.750383][ T3598] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001f4fd10
[   56.758398][ T3598] FS:  000000c000030890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   56.767665][ T3598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.774255][ T3598] CR2: 00007f568afcd300 CR3: 0000000070f13000 CR4: 00000000003506f0
[   56.782306][ T3598] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.790320][ T3598] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.798410][ T3598] Call Trace:
[   56.801692][ T3598]  <TASK>
[   56.804612][ T3598]  ref_tracker_free+0x4fe/0x610
[   56.809562][ T3598]  ? ref_tracker_dir_exit+0x330/0x330
[   56.814993][ T3598]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.820297][ T3598]  ? lock_downgrade+0x6e0/0x6e0
[   56.825246][ T3598]  ? kfree+0x1e1/0x560
[   56.829333][ T3598]  __sk_destruct+0x4a6/0x920
[   56.833916][ T3598]  sk_destruct+0xbd/0xe0
[   56.838598][ T3598]  __sk_free+0xef/0x3d0
[   56.842775][ T3598]  sk_free+0x78/0xa0
[   56.846751][ T3598]  __mptcp_close_ssk+0x435/0x590
[   56.851704][ T3598]  __mptcp_destroy_sock+0x35f/0x830
[   56.856951][ T3598]  ? __mptcp_close_ssk+0x590/0x590
[   56.862074][ T3598]  ? __local_bh_enable_ip+0xa0/0x120
[   56.867430][ T3598]  mptcp_close+0x5f8/0x7f0
[   56.871864][ T3598]  inet_release+0x12e/0x280
[   56.876434][ T3598]  inet6_release+0x4c/0x70
[   56.880887][ T3598]  __sock_release+0xcd/0x280
[   56.885572][ T3598]  sock_close+0x18/0x20
[   56.889830][ T3598]  __fput+0x286/0x9f0
[   56.893800][ T3598]  ? __sock_release+0x280/0x280
[   56.898706][ T3598]  task_work_run+0xdd/0x1a0
[   56.903224][ T3598]  exit_to_user_mode_prepare+0x27e/0x290
[   56.908934][ T3598]  syscall_exit_to_user_mode+0x19/0x60
[   56.914404][ T3598]  do_syscall_64+0x42/0xb0
[   56.918866][ T3598]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.924907][ T3598] RIP: 0033:0x4b12db
[   56.928787][ T3598] 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
[   56.948501][ T3598] RSP: 002b:000000c00033b4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.956973][ T3598] RAX: 0000000000000000 RBX: 000000c00001e000 RCX: 00000000004b12db
[   56.965022][ T3598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.973358][ T3598] RBP: 000000c00033b530 R08: 0000000000f0ae01 R09: 00007ffe4a92f080
[   56.981616][ T3598] R10: 00007ffe4a92f090 R11: 0000000000000206 R12: 000000000000000d
[   56.989788][ T3598] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000184aa0
[   56.997828][ T3598]  </TASK>
[   57.000838][ T3598] Kernel panic - not syncing: panic_on_warn set ...
[   57.007404][ T3598] CPU: 0 PID: 3598 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.015715][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.025758][ T3598] Call Trace:
[   57.029203][ T3598]  <TASK>
[   57.032123][ T3598]  dump_stack_lvl+0xcd/0x134
[   57.036714][ T3598]  panic+0x2b0/0x6dd
[   57.040595][ T3598]  ? __warn_printk+0xf3/0xf3
[   57.045174][ T3598]  ? __warn.cold+0x1a/0x44
[   57.049572][ T3598]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.055631][ T3598]  __warn.cold+0x35/0x44
[   57.059869][ T3598]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.065057][ T3598]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.070510][ T3598]  report_bug+0x1bd/0x210
[   57.074855][ T3598]  handle_bug+0x3c/0x60
[   57.079136][ T3598]  exc_invalid_op+0x14/0x40
[   57.083645][ T3598]  asm_exc_invalid_op+0x12/0x20
[   57.088494][ T3598] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.094557][ T3598] 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
[   57.115007][ T3598] RSP: 0018:ffffc90001f4fab0 EFLAGS: 00010286
[   57.121514][ T3598] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.129957][ T3598] RDX: ffff88807f971d00 RSI: ffffffff815f1e28 RDI: fffff520003e9f48
[   57.138029][ T3598] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.146582][ T3598] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003e9f5b
[   57.154557][ T3598] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001f4fd10
[   57.162532][ T3598]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.167737][ T3598]  ? vprintk+0x88/0x90
[   57.171805][ T3598]  ref_tracker_free+0x4fe/0x610
[   57.176658][ T3598]  ? ref_tracker_dir_exit+0x330/0x330
[   57.182155][ T3598]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.187453][ T3598]  ? lock_downgrade+0x6e0/0x6e0
[   57.192495][ T3598]  ? kfree+0x1e1/0x560
[   57.196955][ T3598]  __sk_destruct+0x4a6/0x920
[   57.201748][ T3598]  sk_destruct+0xbd/0xe0
[   57.206013][ T3598]  __sk_free+0xef/0x3d0
[   57.210164][ T3598]  sk_free+0x78/0xa0
[   57.214049][ T3598]  __mptcp_close_ssk+0x435/0x590
[   57.218988][ T3598]  __mptcp_destroy_sock+0x35f/0x830
[   57.224189][ T3598]  ? __mptcp_close_ssk+0x590/0x590
[   57.229299][ T3598]  ? __local_bh_enable_ip+0xa0/0x120
[   57.234578][ T3598]  mptcp_close+0x5f8/0x7f0
[   57.238986][ T3598]  inet_release+0x12e/0x280
[   57.243478][ T3598]  inet6_release+0x4c/0x70
[   57.247884][ T3598]  __sock_release+0xcd/0x280
[   57.252464][ T3598]  sock_close+0x18/0x20
[   57.256618][ T3598]  __fput+0x286/0x9f0
[   57.260593][ T3598]  ? __sock_release+0x280/0x280
[   57.265441][ T3598]  task_work_run+0xdd/0x1a0
[   57.269932][ T3598]  exit_to_user_mode_prepare+0x27e/0x290
[   57.275551][ T3598]  syscall_exit_to_user_mode+0x19/0x60
[   57.281000][ T3598]  do_syscall_64+0x42/0xb0
[   57.285415][ T3598]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.291300][ T3598] RIP: 0033:0x4b12db
[   57.295181][ T3598] 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
[   57.314773][ T3598] RSP: 002b:000000c00033b4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.323170][ T3598] RAX: 0000000000000000 RBX: 000000c00001e000 RCX: 00000000004b12db
[   57.331127][ T3598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.339087][ T3598] RBP: 000000c00033b530 R08: 0000000000f0ae01 R09: 00007ffe4a92f080
[   57.347053][ T3598] R10: 00007ffe4a92f090 R11: 0000000000000206 R12: 000000000000000d
[   57.355007][ T3598] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000184aa0
[   57.362974][ T3598]  </TASK>
[   57.366407][ T3598] Kernel Offset: disabled
[   57.370815][ T3598] Rebooting in 86400 seconds..