DUID 00:04:1e:62:2e:d3:28:4c:47:2c:f6:06:4a:96:1e:52:1a:b0
forked to background, child pid 3182
[   34.245281][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0
[   34.257600][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts.
2021/12/28 17:07:16 fuzzer started
2021/12/28 17:07:16 connecting to host at 10.128.0.169:43029
2021/12/28 17:07:16 checking machine...
2021/12/28 17:07:16 checking revisions...
2021/12/28 17:07:16 testing simple program...
syzkaller login: [   50.375688][ T3603] cgroup: Unknown subsys name 'net'
[   50.517584][ T3603] cgroup: Unknown subsys name 'rlimit'
[   51.838430][ T3605] chnl_net:caif_netlink_parms(): no params data found
[   51.886475][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.894190][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state
[   51.902403][ T3605] device bridge_slave_0 entered promiscuous mode
[   51.912172][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.919333][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state
[   51.927648][ T3605] device bridge_slave_1 entered promiscuous mode
[   51.949621][ T3605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   51.962684][ T3605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   51.987791][ T3605] team0: Port device team_slave_0 added
[   51.995844][ T3605] team0: Port device team_slave_1 added
[   52.014902][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_0
[   52.022022][ 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.
[   52.048692][ T3605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   52.062570][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_1
[   52.069535][ 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.
[   52.095957][ T3605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   52.123232][ T3605] device hsr_slave_0 entered promiscuous mode
[   52.130754][ T3605] device hsr_slave_1 entered promiscuous mode
[   52.221925][ T3605] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   52.233002][ T3605] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   52.242553][ T3605] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   52.251736][ T3605] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   52.274575][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.282178][ T3605] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.290238][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.298038][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.350013][ T3605] 8021q: adding VLAN 0 to HW filter on device bond0
[   52.364691][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   52.376392][   T20] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.385245][   T20] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.395235][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   52.409086][ T3605] 8021q: adding VLAN 0 to HW filter on device team0
[   52.422702][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   52.432342][   T20] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.439650][   T20] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.451999][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   52.461501][  T922] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.468560][  T922] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.493372][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   52.502746][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   52.512017][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   52.521830][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   52.538172][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   52.550510][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   52.568327][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   52.576977][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   52.595342][ T3605] 8021q: adding VLAN 0 to HW filter on device batadv0
[   52.618374][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   52.646744][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   52.657054][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   52.681323][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   52.692430][ T3605] device veth0_vlan entered promiscuous mode
[   52.711202][ T3605] device veth1_vlan entered promiscuous mode
[   52.741202][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   52.749583][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   52.758439][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   52.769368][ T3605] device veth0_macvtap entered promiscuous mode
[   52.778738][ T3605] device veth1_macvtap entered promiscuous mode
[   52.798904][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_0
[   52.807177][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   52.816810][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   52.829650][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_1
[   52.837306][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   52.847686][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   52.864496][ T3605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   52.874030][ T3605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   52.884326][ T3605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   52.893831][ T3605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   52.969970][  T997] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   52.981616][  T997] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   52.993666][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   53.007004][   T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.015581][   T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.024930][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/28 17:07:19 building call list...
executing program
[   53.348472][   T50] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   55.312331][ T3594] can: request_module (can-proto-0) failed.
[   55.337284][ T3594] can: request_module (can-proto-0) failed.
[   55.359366][ T3594] can: request_module (can-proto-0) failed.
[   55.571663][ T3594] ------------[ cut here ]------------
[   55.577295][ T3594] refcount_t: decrement hit 0; leaking memory.
[   55.584926][ T3594] WARNING: CPU: 1 PID: 3594 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   55.595182][ T3594] Modules linked in:
[   55.599077][ T3594] CPU: 1 PID: 3594 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.607932][ T3594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.619110][ T3594] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.626656][ T3594] Code: 1d d1 db a0 09 31 ff 89 de e8 5d 6a 9b fd 84 db 75 e0 e8 74 66 9b fd 48 c7 c7 e0 0a 05 8a c6 05 b1 db a0 09 01 e8 cc 4b 27 05 <0f> 0b eb c4 e8 58 66 9b fd 0f b6 1d a0 db a0 09 31 ff 89 de e8 28
[   55.646991][ T3594] RSP: 0018:ffffc90002b7fab0 EFLAGS: 00010286
[   55.653536][ T3594] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.661934][ T3594] RDX: ffff88801770ba00 RSI: ffffffff815f1e28 RDI: fffff5200056ff48
[   55.670015][ T3594] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   55.678332][ T3594] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200056ff5b
[   55.686462][ T3594] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc90002b7fd10
[   55.694692][ T3594] FS:  0000000001870630(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   55.704369][ T3594] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.711421][ T3594] CR2: 00007f89fea02300 CR3: 0000000074548000 CR4: 00000000003506f0
[   55.719438][ T3594] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   55.727933][ T3594] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   55.736079][ T3594] Call Trace:
[   55.739365][ T3594]  <TASK>
[   55.742463][ T3594]  ref_tracker_free+0x4fe/0x610
[   55.747340][ T3594]  ? ref_tracker_dir_exit+0x330/0x330
[   55.752823][ T3594]  ? bpf_sk_storage_free+0x333/0x3e0
[   55.758647][ T3594]  ? lock_downgrade+0x6e0/0x6e0
[   55.763801][ T3594]  ? kfree+0x1e1/0x560
[   55.768037][ T3594]  __sk_destruct+0x4a6/0x920
[   55.772917][ T3594]  sk_destruct+0xbd/0xe0
[   55.777360][ T3594]  __sk_free+0xef/0x3d0
[   55.781617][ T3594]  sk_free+0x78/0xa0
[   55.785687][ T3594]  __mptcp_close_ssk+0x435/0x590
[   55.791236][ T3594]  __mptcp_destroy_sock+0x35f/0x830
[   55.796628][ T3594]  ? __mptcp_close_ssk+0x590/0x590
[   55.802123][ T3594]  ? __local_bh_enable_ip+0xa0/0x120
[   55.807560][ T3594]  mptcp_close+0x5f8/0x7f0
[   55.812546][ T3594]  inet_release+0x12e/0x280
[   55.817094][ T3594]  inet6_release+0x4c/0x70
[   55.821698][ T3594]  __sock_release+0xcd/0x280
[   55.826421][ T3594]  sock_close+0x18/0x20
[   55.830758][ T3594]  __fput+0x286/0x9f0
[   55.834883][ T3594]  ? __sock_release+0x280/0x280
[   55.839752][ T3594]  task_work_run+0xdd/0x1a0
[   55.844360][ T3594]  exit_to_user_mode_prepare+0x27e/0x290
[   55.850096][ T3594]  syscall_exit_to_user_mode+0x19/0x60
[   55.855845][ T3594]  do_syscall_64+0x42/0xb0
[   55.860619][ T3594]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   55.866555][ T3594] RIP: 0033:0x4b12db
[   55.870632][ T3594] 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
[   55.890308][ T3594] RSP: 002b:000000c0003034f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   55.898851][ T3594] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[   55.907299][ T3594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   55.915541][ T3594] RBP: 000000c000303530 R08: 0000000000f0e801 R09: 00007ffddc5b7080
[   55.923737][ T3594] R10: 00007ffddc5b7090 R11: 0000000000000206 R12: 0000000000000007
[   55.931975][ T3594] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000358000
[   55.940266][ T3594]  </TASK>
[   55.943387][ T3594] Kernel panic - not syncing: panic_on_warn set ...
[   55.950061][ T3594] CPU: 0 PID: 3594 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.958644][ T3594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.969059][ T3594] Call Trace:
[   55.972351][ T3594]  <TASK>
[   55.975395][ T3594]  dump_stack_lvl+0xcd/0x134
[   55.980512][ T3594]  panic+0x2b0/0x6dd
[   55.984910][ T3594]  ? __warn_printk+0xf3/0xf3
[   55.989581][ T3594]  ? __warn.cold+0x1a/0x44
[   55.994027][ T3594]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.999509][ T3594]  __warn.cold+0x35/0x44
[   56.003754][ T3594]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.008961][ T3594]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.014434][ T3594]  report_bug+0x1bd/0x210
[   56.018868][ T3594]  handle_bug+0x3c/0x60
[   56.023425][ T3594]  exc_invalid_op+0x14/0x40
[   56.027927][ T3594]  asm_exc_invalid_op+0x12/0x20
[   56.032872][ T3594] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.038972][ T3594] Code: 1d d1 db a0 09 31 ff 89 de e8 5d 6a 9b fd 84 db 75 e0 e8 74 66 9b fd 48 c7 c7 e0 0a 05 8a c6 05 b1 db a0 09 01 e8 cc 4b 27 05 <0f> 0b eb c4 e8 58 66 9b fd 0f b6 1d a0 db a0 09 31 ff 89 de e8 28
[   56.059380][ T3594] RSP: 0018:ffffc90002b7fab0 EFLAGS: 00010286
[   56.065827][ T3594] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.073988][ T3594] RDX: ffff88801770ba00 RSI: ffffffff815f1e28 RDI: fffff5200056ff48
[   56.082121][ T3594] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.090315][ T3594] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200056ff5b
[   56.098296][ T3594] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc90002b7fd10
[   56.106520][ T3594]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.111777][ T3594]  ? vprintk+0x88/0x90
[   56.115876][ T3594]  ref_tracker_free+0x4fe/0x610
[   56.120757][ T3594]  ? ref_tracker_dir_exit+0x330/0x330
[   56.126312][ T3594]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.131603][ T3594]  ? lock_downgrade+0x6e0/0x6e0
[   56.136453][ T3594]  ? kfree+0x1e1/0x560
[   56.140539][ T3594]  __sk_destruct+0x4a6/0x920
[   56.145677][ T3594]  sk_destruct+0xbd/0xe0
[   56.149952][ T3594]  __sk_free+0xef/0x3d0
[   56.154190][ T3594]  sk_free+0x78/0xa0
[   56.158187][ T3594]  __mptcp_close_ssk+0x435/0x590
[   56.163241][ T3594]  __mptcp_destroy_sock+0x35f/0x830
[   56.168650][ T3594]  ? __mptcp_close_ssk+0x590/0x590
[   56.173803][ T3594]  ? __local_bh_enable_ip+0xa0/0x120
[   56.179296][ T3594]  mptcp_close+0x5f8/0x7f0
[   56.183825][ T3594]  inet_release+0x12e/0x280
[   56.188705][ T3594]  inet6_release+0x4c/0x70
[   56.193166][ T3594]  __sock_release+0xcd/0x280
[   56.197767][ T3594]  sock_close+0x18/0x20
[   56.201922][ T3594]  __fput+0x286/0x9f0
[   56.205906][ T3594]  ? __sock_release+0x280/0x280
[   56.210767][ T3594]  task_work_run+0xdd/0x1a0
[   56.215366][ T3594]  exit_to_user_mode_prepare+0x27e/0x290
[   56.221001][ T3594]  syscall_exit_to_user_mode+0x19/0x60
[   56.226463][ T3594]  do_syscall_64+0x42/0xb0
[   56.230964][ T3594]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.236859][ T3594] RIP: 0033:0x4b12db
[   56.240842][ T3594] 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
[   56.260532][ T3594] RSP: 002b:000000c0003034f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.269162][ T3594] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[   56.277320][ T3594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.285291][ T3594] RBP: 000000c000303530 R08: 0000000000f0e801 R09: 00007ffddc5b7080
[   56.293268][ T3594] R10: 00007ffddc5b7090 R11: 0000000000000206 R12: 0000000000000007
[   56.301233][ T3594] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000358000
[   56.309217][ T3594]  </TASK>
[   56.312665][ T3594] Kernel Offset: disabled
[   56.317086][ T3594] Rebooting in 86400 seconds..