Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts.
2021/12/31 00:38:10 fuzzer started
2021/12/31 00:38:10 connecting to host at 10.128.0.169:35989
2021/12/31 00:38:10 checking machine...
2021/12/31 00:38:10 checking revisions...
2021/12/31 00:38:11 testing simple program...
syzkaller login: [   48.947527][ T3601] cgroup: Unknown subsys name 'net'
[   49.058409][ T3601] cgroup: Unknown subsys name 'rlimit'
[   50.355371][ T3604] chnl_net:caif_netlink_parms(): no params data found
[   50.404320][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.412626][ T3604] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.420660][ T3604] device bridge_slave_0 entered promiscuous mode
[   50.430657][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.438581][ T3604] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.446427][ T3604] device bridge_slave_1 entered promiscuous mode
[   50.468683][ T3604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   50.479942][ T3604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   50.504789][ T3604] team0: Port device team_slave_0 added
[   50.513241][ T3604] team0: Port device team_slave_1 added
[   50.531237][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_0
[   50.539056][ T3604] 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.
[   50.565833][ T3604] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   50.579102][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_1
[   50.586196][ T3604] 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.
[   50.612563][ T3604] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   50.639594][ T3604] device hsr_slave_0 entered promiscuous mode
[   50.647120][ T3604] device hsr_slave_1 entered promiscuous mode
[   50.736293][ T3604] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   50.747169][ T3604] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   50.756341][ T3604] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   50.766260][ T3604] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   50.787762][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.795141][ T3604] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.803735][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.810801][ T3604] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.857478][ T3604] 8021q: adding VLAN 0 to HW filter on device bond0
[   50.870730][ T1145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   50.883424][ T1145] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.900147][ T1145] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.914237][ T1145] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   50.927482][ T3604] 8021q: adding VLAN 0 to HW filter on device team0
[   50.939075][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   50.947885][  T136] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.955070][  T136] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.967430][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   50.976631][  T136] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.984602][  T136] bridge0: port 2(bridge_slave_1) entered forwarding state
[   51.003609][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   51.022633][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   51.031136][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   51.040208][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   51.049142][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   51.060191][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   51.078076][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   51.086467][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   51.099759][ T3604] 8021q: adding VLAN 0 to HW filter on device batadv0
[   51.122362][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   51.140910][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   51.149781][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   51.158847][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   51.168457][ T3604] device veth0_vlan entered promiscuous mode
[   51.180590][ T3604] device veth1_vlan entered promiscuous mode
[   51.201751][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   51.210086][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   51.219137][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   51.228529][ T3604] device veth0_macvtap entered promiscuous mode
[   51.239271][ T3604] device veth1_macvtap entered promiscuous mode
[   51.258101][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_0
[   51.266197][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   51.276820][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   51.288329][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_1
[   51.297473][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   51.309682][ T3604] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   51.318689][ T3604] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   51.327651][ T3604] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   51.336969][ T3604] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   51.415575][    T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   51.431192][    T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   51.445949][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   51.455436][   T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   51.464593][   T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   51.474650][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/31 00:38:13 building call list...
[   51.750286][   T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   53.687847][ T3602] can: request_module (can-proto-0) failed.
[   53.712374][ T3602] can: request_module (can-proto-0) failed.
[   53.734210][ T3602] can: request_module (can-proto-0) failed.
[   53.931000][ T3602] ------------[ cut here ]------------
[   53.937119][ T3602] refcount_t: decrement hit 0; leaking memory.
[   53.944655][ T3602] WARNING: CPU: 1 PID: 3602 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   53.954722][ T3602] Modules linked in:
[   53.958828][ T3602] CPU: 1 PID: 3602 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   53.967917][ T3602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.979006][ T3602] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   53.985585][ T3602] Code: 1d d1 d6 a0 09 31 ff 89 de e8 5d 65 9b fd 84 db 75 e0 e8 74 61 9b fd 48 c7 c7 20 0b 05 8a c6 05 b1 d6 a0 09 01 e8 cc 56 27 05 <0f> 0b eb c4 e8 58 61 9b fd 0f b6 1d a0 d6 a0 09 31 ff 89 de e8 28
[   54.005450][ T3602] RSP: 0018:ffffc90001b1fab0 EFLAGS: 00010286
[   54.011827][ T3602] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   54.019983][ T3602] RDX: ffff8880228b9d00 RSI: ffffffff815f1e28 RDI: fffff52000363f48
[   54.028394][ T3602] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   54.037059][ T3602] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000363f5b
[   54.045208][ T3602] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc90001b1fd10
[   54.053317][ T3602] FS:  000000c0003d2490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[   54.062356][ T3602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.068993][ T3602] CR2: 00007f0056a7a300 CR3: 000000001d393000 CR4: 00000000003506e0
[   54.077068][ T3602] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   54.085185][ T3602] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   54.093696][ T3602] Call Trace:
[   54.097191][ T3602]  <TASK>
[   54.100269][ T3602]  ref_tracker_free+0x4fe/0x610
[   54.105469][ T3602]  ? ref_tracker_dir_exit+0x330/0x330
[   54.110935][ T3602]  ? bpf_sk_storage_free+0x333/0x3e0
[   54.116296][ T3602]  ? lock_downgrade+0x6e0/0x6e0
[   54.121168][ T3602]  ? kfree+0x1e1/0x560
[   54.125310][ T3602]  __sk_destruct+0x4a6/0x920
[   54.129926][ T3602]  sk_destruct+0xbd/0xe0
[   54.134227][ T3602]  __sk_free+0xef/0x3d0
[   54.138401][ T3602]  sk_free+0x78/0xa0
[   54.142355][ T3602]  __mptcp_close_ssk+0x435/0x590
[   54.147834][ T3602]  __mptcp_destroy_sock+0x35f/0x830
[   54.153270][ T3602]  ? __mptcp_close_ssk+0x590/0x590
[   54.158401][ T3602]  ? __local_bh_enable_ip+0xa0/0x120
[   54.163839][ T3602]  mptcp_close+0x5f8/0x7f0
[   54.168290][ T3602]  inet_release+0x12e/0x280
[   54.172844][ T3602]  inet6_release+0x4c/0x70
[   54.177427][ T3602]  __sock_release+0xcd/0x280
[   54.182079][ T3602]  sock_close+0x18/0x20
[   54.186247][ T3602]  __fput+0x286/0x9f0
[   54.190349][ T3602]  ? __sock_release+0x280/0x280
[   54.195368][ T3602]  task_work_run+0xdd/0x1a0
[   54.200260][ T3602]  exit_to_user_mode_prepare+0x27e/0x290
[   54.206004][ T3602]  syscall_exit_to_user_mode+0x19/0x60
[   54.211528][ T3602]  do_syscall_64+0x42/0xb0
[   54.215968][ T3602]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   54.222029][ T3602] RIP: 0033:0x4b12db
[   54.225939][ 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
[   54.245974][ T3602] RSP: 002b:000000c00019d4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   54.254530][ T3602] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   54.262911][ T3602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   54.271075][ T3602] RBP: 000000c00019d530 R08: 0000000000f0e801 R09: 0000000000000000
[   54.279169][ T3602] R10: ffffffffffffffff R11: 0000000000000206 R12: 000000000000000b
[   54.287580][ T3602] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0000c9680
[   54.295796][ T3602]  </TASK>
[   54.298837][ T3602] Kernel panic - not syncing: panic_on_warn set ...
[   54.305409][ T3602] CPU: 1 PID: 3602 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   54.313746][ T3602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.323972][ T3602] Call Trace:
[   54.327597][ T3602]  <TASK>
[   54.330518][ T3602]  dump_stack_lvl+0xcd/0x134
[   54.335150][ T3602]  panic+0x2b0/0x6dd
[   54.339055][ T3602]  ? __warn_printk+0xf3/0xf3
[   54.343668][ T3602]  ? __warn.cold+0x1a/0x44
[   54.348103][ T3602]  ? refcount_warn_saturate+0xbf/0x1e0
[   54.353649][ T3602]  __warn.cold+0x35/0x44
[   54.358243][ T3602]  ? wake_up_klogd.part.0+0x8e/0xd0
[   54.363888][ T3602]  ? refcount_warn_saturate+0xbf/0x1e0
[   54.369607][ T3602]  report_bug+0x1bd/0x210
[   54.374038][ T3602]  handle_bug+0x3c/0x60
[   54.378247][ T3602]  exc_invalid_op+0x14/0x40
[   54.382751][ T3602]  asm_exc_invalid_op+0x12/0x20
[   54.387709][ T3602] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   54.393945][ T3602] Code: 1d d1 d6 a0 09 31 ff 89 de e8 5d 65 9b fd 84 db 75 e0 e8 74 61 9b fd 48 c7 c7 20 0b 05 8a c6 05 b1 d6 a0 09 01 e8 cc 56 27 05 <0f> 0b eb c4 e8 58 61 9b fd 0f b6 1d a0 d6 a0 09 31 ff 89 de e8 28
[   54.414449][ T3602] RSP: 0018:ffffc90001b1fab0 EFLAGS: 00010286
[   54.421184][ T3602] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   54.429167][ T3602] RDX: ffff8880228b9d00 RSI: ffffffff815f1e28 RDI: fffff52000363f48
[   54.437666][ T3602] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   54.445740][ T3602] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000363f5b
[   54.453735][ T3602] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc90001b1fd10
[   54.462004][ T3602]  ? wake_up_klogd.part.0+0x8e/0xd0
[   54.467234][ T3602]  ? vprintk+0x88/0x90
[   54.471332][ T3602]  ref_tracker_free+0x4fe/0x610
[   54.476198][ T3602]  ? ref_tracker_dir_exit+0x330/0x330
[   54.481666][ T3602]  ? bpf_sk_storage_free+0x333/0x3e0
[   54.487151][ T3602]  ? lock_downgrade+0x6e0/0x6e0
[   54.492114][ T3602]  ? kfree+0x1e1/0x560
[   54.496238][ T3602]  __sk_destruct+0x4a6/0x920
[   54.501198][ T3602]  sk_destruct+0xbd/0xe0
[   54.506357][ T3602]  __sk_free+0xef/0x3d0
[   54.510877][ T3602]  sk_free+0x78/0xa0
[   54.515172][ T3602]  __mptcp_close_ssk+0x435/0x590
[   54.521123][ T3602]  __mptcp_destroy_sock+0x35f/0x830
[   54.526430][ T3602]  ? __mptcp_close_ssk+0x590/0x590
[   54.531665][ T3602]  ? __local_bh_enable_ip+0xa0/0x120
[   54.536959][ T3602]  mptcp_close+0x5f8/0x7f0
[   54.541382][ T3602]  inet_release+0x12e/0x280
[   54.546167][ T3602]  inet6_release+0x4c/0x70
[   54.550593][ T3602]  __sock_release+0xcd/0x280
[   54.555188][ T3602]  sock_close+0x18/0x20
[   54.559520][ T3602]  __fput+0x286/0x9f0
[   54.563593][ T3602]  ? __sock_release+0x280/0x280
[   54.568448][ T3602]  task_work_run+0xdd/0x1a0
[   54.573044][ T3602]  exit_to_user_mode_prepare+0x27e/0x290
[   54.579115][ T3602]  syscall_exit_to_user_mode+0x19/0x60
[   54.584578][ T3602]  do_syscall_64+0x42/0xb0
[   54.589015][ T3602]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   54.595224][ T3602] RIP: 0033:0x4b12db
[   54.599286][ 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
[   54.619257][ T3602] RSP: 002b:000000c00019d4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   54.627790][ T3602] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   54.635761][ T3602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   54.644623][ T3602] RBP: 000000c00019d530 R08: 0000000000f0e801 R09: 0000000000000000
[   54.652590][ T3602] R10: ffffffffffffffff R11: 0000000000000206 R12: 000000000000000b
[   54.660920][ T3602] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0000c9680
[   54.668912][ T3602]  </TASK>
[   54.672528][ T3602] Kernel Offset: disabled
[   54.676981][ T3602] Rebooting in 86400 seconds..