Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts.
2021/12/31 05:13:32 fuzzer started
2021/12/31 05:13:33 connecting to host at 10.128.0.169:43693
2021/12/31 05:13:33 checking machine...
2021/12/31 05:13:33 checking revisions...
2021/12/31 05:13:33 testing simple program...
syzkaller login: [   48.299895][ T3603] cgroup: Unknown subsys name 'net'
[   48.409620][ T3603] cgroup: Unknown subsys name 'rlimit'
[   49.748625][ T3605] chnl_net:caif_netlink_parms(): no params data found
[   49.794895][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   49.802959][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state
[   49.811850][ T3605] device bridge_slave_0 entered promiscuous mode
[   49.821664][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   49.828964][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state
[   49.836833][ T3605] device bridge_slave_1 entered promiscuous mode
[   49.857347][ T3605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   49.868876][ T3605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   49.891531][ T3605] team0: Port device team_slave_0 added
[   49.899688][ T3605] team0: Port device team_slave_1 added
[   49.917828][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_0
[   49.925571][ T3605] 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.
[   49.952933][ T3605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   49.966075][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_1
[   49.973593][ T3605] 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.
[   50.000913][ T3605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   50.027547][ T3605] device hsr_slave_0 entered promiscuous mode
[   50.034696][ T3605] device hsr_slave_1 entered promiscuous mode
[   50.120525][ T3605] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   50.131428][ T3605] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   50.140607][ T3605] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   50.151502][ T3605] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   50.172686][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.180001][ T3605] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.188545][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.195714][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.242696][ T3605] 8021q: adding VLAN 0 to HW filter on device bond0
[   50.256376][ T1137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   50.267203][ T1137] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.277684][ T1137] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.296722][ T1137] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   50.310475][ T3605] 8021q: adding VLAN 0 to HW filter on device team0
[   50.322752][  T921] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   50.331988][  T921] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.339436][  T921] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.350826][ T1137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   50.360365][ T1137] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.367661][ T1137] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.388479][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   50.398437][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   50.410341][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   50.425155][  T921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   50.437744][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   50.448249][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   50.466755][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   50.475169][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   50.487857][ T3605] 8021q: adding VLAN 0 to HW filter on device batadv0
[   50.506101][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   50.526494][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   50.535101][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   50.544903][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   50.556241][ T3605] device veth0_vlan entered promiscuous mode
[   50.568988][ T3605] device veth1_vlan entered promiscuous mode
[   50.589312][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   50.597983][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   50.606638][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   50.617099][ T3605] device veth0_macvtap entered promiscuous mode
[   50.627372][ T3605] device veth1_macvtap entered promiscuous mode
[   50.643951][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_0
[   50.651597][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   50.662380][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   50.675437][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_1
[   50.683712][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   50.697747][ T3605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   50.706874][ T3605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   50.719778][ T3605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   50.729082][ T3605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   50.796650][ T1046] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   50.813675][ T1046] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   50.826529][   T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   50.827595][ T1137] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   50.834779][   T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   50.853920][ T1137] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/31 05:13:35 building call list...
[   51.112873][ T1046] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   53.048302][ T3623] can: request_module (can-proto-0) failed.
[   53.073979][ T3623] can: request_module (can-proto-0) failed.
[   53.097352][ T3623] can: request_module (can-proto-0) failed.
[   53.307206][ T3623] ------------[ cut here ]------------
[   53.313479][ T3623] refcount_t: decrement hit 0; leaking memory.
[   53.320246][ T3623] WARNING: CPU: 1 PID: 3623 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   53.331232][ T3623] Modules linked in:
[   53.335434][ T3623] CPU: 1 PID: 3623 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   53.345433][ T3623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.356058][ T3623] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   53.362456][ T3623] 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
[   53.383702][ T3623] RSP: 0018:ffffc900028bfab0 EFLAGS: 00010286
[   53.389897][ T3623] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   53.398455][ T3623] RDX: ffff888017a09d00 RSI: ffffffff815f1e28 RDI: fffff52000517f48
[   53.407734][ T3623] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   53.416472][ T3623] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000517f5b
[   53.425397][ T3623] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc900028bfd10
[   53.433487][ T3623] FS:  000000c000378490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   53.442528][ T3623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.449310][ T3623] CR2: 0000000000efecf0 CR3: 000000007846b000 CR4: 00000000003506f0
[   53.457680][ T3623] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   53.465856][ T3623] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   53.474081][ T3623] Call Trace:
[   53.477465][ T3623]  <TASK>
[   53.480409][ T3623]  ref_tracker_free+0x4fe/0x610
[   53.485529][ T3623]  ? ref_tracker_dir_exit+0x330/0x330
[   53.491757][ T3623]  ? bpf_sk_storage_free+0x333/0x3e0
[   53.497620][ T3623]  ? lock_downgrade+0x6e0/0x6e0
[   53.502595][ T3623]  ? kfree+0x1e1/0x560
[   53.506920][ T3623]  __sk_destruct+0x4a6/0x920
[   53.511631][ T3623]  sk_destruct+0xbd/0xe0
[   53.516031][ T3623]  __sk_free+0xef/0x3d0
[   53.520583][ T3623]  sk_free+0x78/0xa0
[   53.525068][ T3623]  __mptcp_close_ssk+0x435/0x590
[   53.530233][ T3623]  __mptcp_destroy_sock+0x35f/0x830
[   53.536085][ T3623]  ? __mptcp_close_ssk+0x590/0x590
[   53.541228][ T3623]  ? __local_bh_enable_ip+0xa0/0x120
[   53.546689][ T3623]  mptcp_close+0x5f8/0x7f0
[   53.551247][ T3623]  inet_release+0x12e/0x280
[   53.555829][ T3623]  inet6_release+0x4c/0x70
[   53.560447][ T3623]  __sock_release+0xcd/0x280
[   53.566116][ T3623]  sock_close+0x18/0x20
[   53.570331][ T3623]  __fput+0x286/0x9f0
[   53.574514][ T3623]  ? __sock_release+0x280/0x280
[   53.579475][ T3623]  task_work_run+0xdd/0x1a0
[   53.584344][ T3623]  exit_to_user_mode_prepare+0x27e/0x290
[   53.590437][ T3623]  syscall_exit_to_user_mode+0x19/0x60
[   53.596138][ T3623]  do_syscall_64+0x42/0xb0
[   53.601303][ T3623]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   53.607835][ T3623] RIP: 0033:0x4b12db
[   53.611865][ T3623] 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
[   53.633996][ T3623] RSP: 002b:000000c0004954f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   53.642675][ T3623] RAX: 0000000000000000 RBX: 000000c00001e800 RCX: 00000000004b12db
[   53.650767][ T3623] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   53.658828][ T3623] RBP: 000000c000495530 R08: 0000000000f0e801 R09: 00007ffef9be9080
[   53.667611][ T3623] R10: 00007ffef9be9090 R11: 0000000000000206 R12: 000000000000000b
[   53.677089][ T3623] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012140
[   53.685820][ T3623]  </TASK>
[   53.688989][ T3623] Kernel panic - not syncing: panic_on_warn set ...
[   53.696109][ T3623] CPU: 1 PID: 3623 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   53.704542][ T3623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.714739][ T3623] Call Trace:
[   53.718140][ T3623]  <TASK>
[   53.721267][ T3623]  dump_stack_lvl+0xcd/0x134
[   53.726304][ T3623]  panic+0x2b0/0x6dd
[   53.730305][ T3623]  ? __warn_printk+0xf3/0xf3
[   53.735086][ T3623]  ? __warn.cold+0x1a/0x44
[   53.739701][ T3623]  ? refcount_warn_saturate+0xbf/0x1e0
[   53.745176][ T3623]  __warn.cold+0x35/0x44
[   53.749696][ T3623]  ? wake_up_klogd.part.0+0x8e/0xd0
[   53.755094][ T3623]  ? refcount_warn_saturate+0xbf/0x1e0
[   53.760735][ T3623]  report_bug+0x1bd/0x210
[   53.765639][ T3623]  handle_bug+0x3c/0x60
[   53.769834][ T3623]  exc_invalid_op+0x14/0x40
[   53.774577][ T3623]  asm_exc_invalid_op+0x12/0x20
[   53.779442][ T3623] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   53.785543][ T3623] 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
[   53.806138][ T3623] RSP: 0018:ffffc900028bfab0 EFLAGS: 00010286
[   53.812195][ T3623] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   53.820334][ T3623] RDX: ffff888017a09d00 RSI: ffffffff815f1e28 RDI: fffff52000517f48
[   53.828995][ T3623] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   53.837417][ T3623] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000517f5b
[   53.845601][ T3623] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc900028bfd10
[   53.853698][ T3623]  ? wake_up_klogd.part.0+0x8e/0xd0
[   53.858899][ T3623]  ? vprintk+0x88/0x90
[   53.862997][ T3623]  ref_tracker_free+0x4fe/0x610
[   53.867845][ T3623]  ? ref_tracker_dir_exit+0x330/0x330
[   53.873323][ T3623]  ? bpf_sk_storage_free+0x333/0x3e0
[   53.878746][ T3623]  ? lock_downgrade+0x6e0/0x6e0
[   53.883787][ T3623]  ? kfree+0x1e1/0x560
[   53.888055][ T3623]  __sk_destruct+0x4a6/0x920
[   53.892728][ T3623]  sk_destruct+0xbd/0xe0
[   53.896962][ T3623]  __sk_free+0xef/0x3d0
[   53.901107][ T3623]  sk_free+0x78/0xa0
[   53.904991][ T3623]  __mptcp_close_ssk+0x435/0x590
[   53.910098][ T3623]  __mptcp_destroy_sock+0x35f/0x830
[   53.915288][ T3623]  ? __mptcp_close_ssk+0x590/0x590
[   53.920390][ T3623]  ? __local_bh_enable_ip+0xa0/0x120
[   53.925684][ T3623]  mptcp_close+0x5f8/0x7f0
[   53.930091][ T3623]  inet_release+0x12e/0x280
[   53.934594][ T3623]  inet6_release+0x4c/0x70
[   53.939045][ T3623]  __sock_release+0xcd/0x280
[   53.943643][ T3623]  sock_close+0x18/0x20
[   53.947965][ T3623]  __fput+0x286/0x9f0
[   53.952395][ T3623]  ? __sock_release+0x280/0x280
[   53.957360][ T3623]  task_work_run+0xdd/0x1a0
[   53.962077][ T3623]  exit_to_user_mode_prepare+0x27e/0x290
[   53.967966][ T3623]  syscall_exit_to_user_mode+0x19/0x60
[   53.973644][ T3623]  do_syscall_64+0x42/0xb0
[   53.978088][ T3623]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   53.984257][ T3623] RIP: 0033:0x4b12db
[   53.988239][ T3623] 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
[   54.008322][ T3623] RSP: 002b:000000c0004954f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   54.017012][ T3623] RAX: 0000000000000000 RBX: 000000c00001e800 RCX: 00000000004b12db
[   54.025275][ T3623] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   54.033506][ T3623] RBP: 000000c000495530 R08: 0000000000f0e801 R09: 00007ffef9be9080
[   54.041767][ T3623] R10: 00007ffef9be9090 R11: 0000000000000206 R12: 000000000000000b
[   54.050953][ T3623] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012140
[   54.058935][ T3623]  </TASK>
[   54.062459][ T3623] Kernel Offset: disabled
[   54.067427][ T3623] Rebooting in 86400 seconds..