DUID 00:04:1b:66:36:25:cc:bb:2d:eb:42:73:ce:96:f3:b7:d0:c0
forked to background, child pid 3183
[   32.976937][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0
[   33.020070][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts.
2021/12/27 13:00:18 fuzzer started
2021/12/27 13:00:18 connecting to host at 10.128.0.169:40289
2021/12/27 13:00:18 checking machine...
2021/12/27 13:00:18 checking revisions...
2021/12/27 13:00:18 testing simple program...
syzkaller login: [   51.640993][ T3608] cgroup: Unknown subsys name 'net'
[   51.747539][ T3608] cgroup: Unknown subsys name 'rlimit'
[   53.101553][ T3610] chnl_net:caif_netlink_parms(): no params data found
[   53.146897][ T3610] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.154400][ T3610] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.162868][ T3610] device bridge_slave_0 entered promiscuous mode
[   53.171972][ T3610] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.179542][ T3610] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.187394][ T3610] device bridge_slave_1 entered promiscuous mode
[   53.208423][ T3610] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.221163][ T3610] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.243727][ T3610] team0: Port device team_slave_0 added
[   53.252785][ T3610] team0: Port device team_slave_1 added
[   53.272439][ T3610] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.279556][ T3610] 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.
[   53.306227][ T3610] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   53.319715][ T3610] batman_adv: batadv0: Adding interface: batadv_slave_1
[   53.326757][ T3610] 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.
[   53.352759][ T3610] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   53.379097][ T3610] device hsr_slave_0 entered promiscuous mode
[   53.386973][ T3610] device hsr_slave_1 entered promiscuous mode
[   53.467474][ T3610] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   53.478505][ T3610] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   53.487300][ T3610] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   53.496346][ T3610] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   53.517412][ T3610] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.524681][ T3610] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.532633][ T3610] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.539740][ T3610] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.603770][ T3610] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.617125][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.627908][  T136] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.638175][  T136] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.650199][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.665071][ T3610] 8021q: adding VLAN 0 to HW filter on device team0
[   53.681351][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.691231][  T922] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.698665][  T922] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.721517][ T1872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.730975][ T1872] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.738684][ T1872] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.760584][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.770266][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.779514][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.788529][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.800644][ T3610] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   53.812926][ T3610] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.822226][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.843337][ T3610] 8021q: adding VLAN 0 to HW filter on device batadv0
[   53.852171][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.860074][ T3621] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   53.879358][ T1872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   53.900434][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   53.909503][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   53.917579][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   53.930168][ T3610] device veth0_vlan entered promiscuous mode
[   53.941506][ T3610] device veth1_vlan entered promiscuous mode
[   53.962345][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   53.970630][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   53.979911][  T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   53.992431][ T3610] device veth0_macvtap entered promiscuous mode
[   54.002280][ T3610] device veth1_macvtap entered promiscuous mode
[   54.019358][ T3610] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.026861][ T1872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   54.036760][ T1872] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   54.050072][ T3610] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.059466][   T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.072120][ T3610] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.081265][ T3610] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.091493][ T3610] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.100390][ T3610] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.163504][    T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.172126][    T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.187455][ T1872] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.210999][    T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.220811][    T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.229949][ T1872] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/27 13:00:21 building call list...
executing program
[   54.463910][    T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   56.419252][ T3607] can: request_module (can-proto-0) failed.
[   56.443382][ T3607] can: request_module (can-proto-0) failed.
[   56.463928][ T3607] can: request_module (can-proto-0) failed.
[   56.662180][ T3607] ------------[ cut here ]------------
[   56.668186][ T3607] refcount_t: decrement hit 0; leaking memory.
[   56.674764][ T3607] WARNING: CPU: 1 PID: 3607 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   56.686886][ T3607] Modules linked in:
[   56.691168][ T3607] CPU: 1 PID: 3607 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.700657][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.711278][ T3607] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.717363][ T3607] 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
[   56.738748][ T3607] RSP: 0018:ffffc900027dfab0 EFLAGS: 00010286
[   56.744930][ T3607] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.753965][ T3607] RDX: ffff88801ae11d00 RSI: ffffffff815f1e28 RDI: fffff520004fbf48
[   56.762501][ T3607] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.770868][ T3607] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920004fbf5b
[   56.779208][ T3607] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc900027dfd10
[   56.779254][ T3607] FS:  000000c000435090(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[   56.779280][ T3607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.804236][ T3607] CR2: 00007f1d60038300 CR3: 000000007af2a000 CR4: 00000000003506e0
[   56.812285][ T3607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.820310][ T3607] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.828576][ T3607] Call Trace:
[   56.831868][ T3607]  <TASK>
[   56.834790][ T3607]  ref_tracker_free+0x4fe/0x610
[   56.839702][ T3607]  ? ref_tracker_dir_exit+0x330/0x330
[   56.845270][ T3607]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.850663][ T3607]  ? lock_downgrade+0x6e0/0x6e0
[   56.855532][ T3607]  ? kfree+0x1e1/0x560
[   56.859707][ T3607]  __sk_destruct+0x4a6/0x920
[   56.864426][ T3607]  sk_destruct+0xbd/0xe0
[   56.868738][ T3607]  __sk_free+0xef/0x3d0
[   56.873002][ T3607]  sk_free+0x78/0xa0
[   56.876918][ T3607]  __mptcp_close_ssk+0x435/0x590
[   56.882189][ T3607]  __mptcp_destroy_sock+0x35f/0x830
[   56.887492][ T3607]  ? __mptcp_close_ssk+0x590/0x590
[   56.893299][ T3607]  ? __local_bh_enable_ip+0xa0/0x120
[   56.898744][ T3607]  mptcp_close+0x5f8/0x7f0
[   56.903164][ T3607]  inet_release+0x12e/0x280
[   56.907829][ T3607]  inet6_release+0x4c/0x70
[   56.912699][ T3607]  __sock_release+0xcd/0x280
[   56.917287][ T3607]  sock_close+0x18/0x20
[   56.921674][ T3607]  __fput+0x286/0x9f0
[   56.925664][ T3607]  ? __sock_release+0x280/0x280
[   56.930559][ T3607]  task_work_run+0xdd/0x1a0
[   56.935170][ T3607]  exit_to_user_mode_prepare+0x27e/0x290
[   56.941236][ T3607]  syscall_exit_to_user_mode+0x19/0x60
[   56.946933][ T3607]  do_syscall_64+0x42/0xb0
[   56.951481][ T3607]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.957399][ T3607] RIP: 0033:0x4b12db
[   56.961390][ T3607] 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
[   56.981602][ T3607] RSP: 002b:000000c0000f34f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.990290][ T3607] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   56.999103][ T3607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.007188][ T3607] RBP: 000000c0000f3530 R08: 0000000000f0e801 R09: 00007ffda88fc080
[   57.015260][ T3607] R10: 00007ffda88fc090 R11: 0000000000000206 R12: 000000000000000c
[   57.023729][ T3607] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000013900
[   57.031866][ T3607]  </TASK>
[   57.034891][ T3607] Kernel panic - not syncing: panic_on_warn set ...
[   57.041457][ T3607] CPU: 1 PID: 3607 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.049902][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.060057][ T3607] Call Trace:
[   57.063342][ T3607]  <TASK>
[   57.066370][ T3607]  dump_stack_lvl+0xcd/0x134
[   57.070960][ T3607]  panic+0x2b0/0x6dd
[   57.075025][ T3607]  ? __warn_printk+0xf3/0xf3
[   57.079625][ T3607]  ? __warn.cold+0x1a/0x44
[   57.084278][ T3607]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.089730][ T3607]  __warn.cold+0x35/0x44
[   57.093975][ T3607]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.099284][ T3607]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.104737][ T3607]  report_bug+0x1bd/0x210
[   57.109094][ T3607]  handle_bug+0x3c/0x60
[   57.113238][ T3607]  exc_invalid_op+0x14/0x40
[   57.117823][ T3607]  asm_exc_invalid_op+0x12/0x20
[   57.122665][ T3607] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.129602][ T3607] 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
[   57.149577][ T3607] RSP: 0018:ffffc900027dfab0 EFLAGS: 00010286
[   57.155720][ T3607] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.163880][ T3607] RDX: ffff88801ae11d00 RSI: ffffffff815f1e28 RDI: fffff520004fbf48
[   57.171850][ T3607] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.179977][ T3607] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920004fbf5b
[   57.188023][ T3607] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc900027dfd10
[   57.196071][ T3607]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.201263][ T3607]  ? vprintk+0x88/0x90
[   57.205474][ T3607]  ref_tracker_free+0x4fe/0x610
[   57.210427][ T3607]  ? ref_tracker_dir_exit+0x330/0x330
[   57.215812][ T3607]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.221117][ T3607]  ? lock_downgrade+0x6e0/0x6e0
[   57.226590][ T3607]  ? kfree+0x1e1/0x560
[   57.230670][ T3607]  __sk_destruct+0x4a6/0x920
[   57.235608][ T3607]  sk_destruct+0xbd/0xe0
[   57.239859][ T3607]  __sk_free+0xef/0x3d0
[   57.244142][ T3607]  sk_free+0x78/0xa0
[   57.248033][ T3607]  __mptcp_close_ssk+0x435/0x590
[   57.253052][ T3607]  __mptcp_destroy_sock+0x35f/0x830
[   57.258853][ T3607]  ? __mptcp_close_ssk+0x590/0x590
[   57.263960][ T3607]  ? __local_bh_enable_ip+0xa0/0x120
[   57.269238][ T3607]  mptcp_close+0x5f8/0x7f0
[   57.273669][ T3607]  inet_release+0x12e/0x280
[   57.278343][ T3607]  inet6_release+0x4c/0x70
[   57.282852][ T3607]  __sock_release+0xcd/0x280
[   57.287438][ T3607]  sock_close+0x18/0x20
[   57.291615][ T3607]  __fput+0x286/0x9f0
[   57.295684][ T3607]  ? __sock_release+0x280/0x280
[   57.300625][ T3607]  task_work_run+0xdd/0x1a0
[   57.305307][ T3607]  exit_to_user_mode_prepare+0x27e/0x290
[   57.310973][ T3607]  syscall_exit_to_user_mode+0x19/0x60
[   57.316463][ T3607]  do_syscall_64+0x42/0xb0
[   57.320963][ T3607]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.326849][ T3607] RIP: 0033:0x4b12db
[   57.330730][ T3607] 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
[   57.350329][ T3607] RSP: 002b:000000c0000f34f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.358736][ T3607] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   57.369492][ T3607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.377579][ T3607] RBP: 000000c0000f3530 R08: 0000000000f0e801 R09: 00007ffda88fc080
[   57.385548][ T3607] R10: 00007ffda88fc090 R11: 0000000000000206 R12: 000000000000000c
[   57.393523][ T3607] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000013900
[   57.401511][ T3607]  </TASK>
[   57.405002][ T3607] Kernel Offset: disabled
[   57.409435][ T3607] Rebooting in 86400 seconds..