DUID 00:04:ac:d3:e9:6f:d6:cf:30:00:cb:75:86:98:6a:d5:8e:9b
forked to background, child pid 3182
[   34.078307][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0
[   34.091462][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts.
2021/12/19 04:54:38 fuzzer started
2021/12/19 04:54:38 connecting to host at 10.128.0.169:43887
2021/12/19 04:54:38 checking machine...
2021/12/19 04:54:38 checking revisions...
2021/12/19 04:54:38 testing simple program...
syzkaller login: [   51.901080][ T3603] cgroup: Unknown subsys name 'net'
[   52.002971][ T3603] cgroup: Unknown subsys name 'rlimit'
[   53.302758][ T3605] chnl_net:caif_netlink_parms(): no params data found
[   53.351036][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.358757][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.368703][ T3605] device bridge_slave_0 entered promiscuous mode
[   53.379625][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.386967][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.395040][ T3605] device bridge_slave_1 entered promiscuous mode
[   53.419017][ T3605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.431090][ T3605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.455993][ T3605] team0: Port device team_slave_0 added
[   53.463846][ T3605] team0: Port device team_slave_1 added
[   53.482456][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.490056][ 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.
[   53.516543][ T3605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   53.530627][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_1
[   53.537656][ 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.
[   53.565496][ T3605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   53.594429][ T3605] device hsr_slave_0 entered promiscuous mode
[   53.602089][ T3605] device hsr_slave_1 entered promiscuous mode
[   53.690880][ T3605] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   53.701870][ T3605] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   53.711874][ T3605] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   53.722376][ T3605] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   53.744902][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.752158][ T3605] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.760283][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.767439][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.813734][ T3605] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.829438][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.840747][  T135] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.850522][  T135] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.858687][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.872912][ T3605] 8021q: adding VLAN 0 to HW filter on device team0
[   53.899704][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.908395][  T135] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.915553][  T135] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.923544][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.932402][  T135] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.939847][  T135] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.948399][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.961070][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.969542][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.986302][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.994689][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   54.008102][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   54.028224][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   54.036424][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   54.049647][ T3605] 8021q: adding VLAN 0 to HW filter on device batadv0
[   54.067576][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   54.087159][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   54.097490][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   54.105606][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   54.115482][ T3605] device veth0_vlan entered promiscuous mode
[   54.130316][ T3605] device veth1_vlan entered promiscuous mode
[   54.152340][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   54.161712][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   54.170483][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   54.183210][ T3605] device veth0_macvtap entered promiscuous mode
[   54.193600][ T3605] device veth1_macvtap entered promiscuous mode
[   54.210050][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.218467][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   54.229661][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   54.242850][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.251136][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.262705][ T3605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.272475][ T3605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.281518][ T3605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.291709][ T3605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.355044][    T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.365107][    T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.380262][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.394224][    T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.403199][    T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.413563][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/19 04:54:41 building call list...
[   54.673262][   T54] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   56.603821][ T3596] can: request_module (can-proto-0) failed.
[   56.626279][ T3596] can: request_module (can-proto-0) failed.
[   56.648475][ T3596] can: request_module (can-proto-0) failed.
[   56.848166][ T3596] ------------[ cut here ]------------
[   56.853905][ T3596] refcount_t: decrement hit 0; leaking memory.
[   56.860848][ T3596] WARNING: CPU: 1 PID: 3596 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   56.870840][ T3596] Modules linked in:
[   56.874748][ T3596] CPU: 1 PID: 3596 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.883510][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.894170][ T3596] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.900897][ T3596] Code: 1d 30 8e a1 09 31 ff 89 de e8 dd 39 9c fd 84 db 75 e0 e8 f4 35 9c fd 48 c7 c7 60 fb 04 8a c6 05 10 8e a1 09 01 e8 4c 4b 27 05 <0f> 0b eb c4 e8 d8 35 9c fd 0f b6 1d ff 8d a1 09 31 ff 89 de e8 a8
[   56.921491][ T3596] RSP: 0018:ffffc90001abfab0 EFLAGS: 00010286
[   56.927879][ T3596] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.936336][ T3596] RDX: ffff888016e7d700 RSI: ffffffff815f1e28 RDI: fffff52000357f48
[   56.944517][ T3596] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.953183][ T3596] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000357f5b
[   56.961649][ T3596] R13: 00000000ffffffef R14: ffffffff8d2fc294 R15: ffffc90001abfd10
[   56.969998][ T3596] FS:  000000c00002e490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   56.979539][ T3596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.986397][ T3596] CR2: 00007fcd8253a300 CR3: 000000001a5eb000 CR4: 00000000003506f0
[   56.994376][ T3596] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   57.002933][ T3596] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   57.011287][ T3596] Call Trace:
[   57.015082][ T3596]  <TASK>
[   57.018153][ T3596]  ref_tracker_free+0x4fe/0x610
[   57.023043][ T3596]  ? ref_tracker_dir_exit+0x330/0x330
[   57.028626][ T3596]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.033954][ T3596]  ? lock_downgrade+0x6e0/0x6e0
[   57.039338][ T3596]  ? kfree+0x1e1/0x560
[   57.044691][ T3596]  __sk_destruct+0x4a6/0x920
[   57.049741][ T3596]  sk_destruct+0xbd/0xe0
[   57.054020][ T3596]  __sk_free+0xef/0x3d0
[   57.058654][ T3596]  sk_free+0x78/0xa0
[   57.062721][ T3596]  __mptcp_close_ssk+0x435/0x590
[   57.068037][ T3596]  __mptcp_destroy_sock+0x35f/0x830
[   57.073237][ T3596]  ? __mptcp_close_ssk+0x590/0x590
[   57.078491][ T3596]  ? __local_bh_enable_ip+0xa0/0x120
[   57.083806][ T3596]  mptcp_close+0x5f8/0x7f0
[   57.088607][ T3596]  inet_release+0x12e/0x280
[   57.093139][ T3596]  inet6_release+0x4c/0x70
[   57.097899][ T3596]  __sock_release+0xcd/0x280
[   57.102524][ T3596]  sock_close+0x18/0x20
[   57.106872][ T3596]  __fput+0x286/0x9f0
[   57.110880][ T3596]  ? __sock_release+0x280/0x280
[   57.116086][ T3596]  task_work_run+0xdd/0x1a0
[   57.120617][ T3596]  exit_to_user_mode_prepare+0x27e/0x290
[   57.126567][ T3596]  syscall_exit_to_user_mode+0x19/0x60
[   57.132023][ T3596]  do_syscall_64+0x42/0xb0
[   57.136865][ T3596]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.142904][ T3596] RIP: 0033:0x4b12db
[   57.147047][ T3596] 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
[   57.167239][ T3596] RSP: 002b:000000c0005714f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.176015][ T3596] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[   57.184011][ T3596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.192408][ T3596] RBP: 000000c000571530 R08: 0000000000f0ae01 R09: 00007ffc371c6080
[   57.201583][ T3596] R10: 00007ffc371c6090 R11: 0000000000000206 R12: 000000000000000c
[   57.210486][ T3596] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012500
[   57.219731][ T3596]  </TASK>
[   57.222823][ T3596] Kernel panic - not syncing: panic_on_warn set ...
[   57.229505][ T3596] CPU: 1 PID: 3596 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.238022][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.248189][ T3596] Call Trace:
[   57.251462][ T3596]  <TASK>
[   57.254384][ T3596]  dump_stack_lvl+0xcd/0x134
[   57.259113][ T3596]  panic+0x2b0/0x6dd
[   57.263019][ T3596]  ? __warn_printk+0xf3/0xf3
[   57.267749][ T3596]  ? __warn.cold+0x1a/0x44
[   57.272214][ T3596]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.277685][ T3596]  __warn.cold+0x35/0x44
[   57.281933][ T3596]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.287128][ T3596]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.292579][ T3596]  report_bug+0x1bd/0x210
[   57.296914][ T3596]  handle_bug+0x3c/0x60
[   57.301157][ T3596]  exc_invalid_op+0x14/0x40
[   57.305698][ T3596]  asm_exc_invalid_op+0x12/0x20
[   57.310565][ T3596] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.316791][ T3596] Code: 1d 30 8e a1 09 31 ff 89 de e8 dd 39 9c fd 84 db 75 e0 e8 f4 35 9c fd 48 c7 c7 60 fb 04 8a c6 05 10 8e a1 09 01 e8 4c 4b 27 05 <0f> 0b eb c4 e8 d8 35 9c fd 0f b6 1d ff 8d a1 09 31 ff 89 de e8 a8
[   57.336493][ T3596] RSP: 0018:ffffc90001abfab0 EFLAGS: 00010286
[   57.342551][ T3596] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.350505][ T3596] RDX: ffff888016e7d700 RSI: ffffffff815f1e28 RDI: fffff52000357f48
[   57.358459][ T3596] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.366497][ T3596] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000357f5b
[   57.374450][ T3596] R13: 00000000ffffffef R14: ffffffff8d2fc294 R15: ffffc90001abfd10
[   57.382931][ T3596]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.388124][ T3596]  ? vprintk+0x88/0x90
[   57.392191][ T3596]  ref_tracker_free+0x4fe/0x610
[   57.397030][ T3596]  ? ref_tracker_dir_exit+0x330/0x330
[   57.402471][ T3596]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.407742][ T3596]  ? lock_downgrade+0x6e0/0x6e0
[   57.412580][ T3596]  ? kfree+0x1e1/0x560
[   57.416731][ T3596]  __sk_destruct+0x4a6/0x920
[   57.421308][ T3596]  sk_destruct+0xbd/0xe0
[   57.425542][ T3596]  __sk_free+0xef/0x3d0
[   57.429864][ T3596]  sk_free+0x78/0xa0
[   57.433842][ T3596]  __mptcp_close_ssk+0x435/0x590
[   57.438768][ T3596]  __mptcp_destroy_sock+0x35f/0x830
[   57.443949][ T3596]  ? __mptcp_close_ssk+0x590/0x590
[   57.449042][ T3596]  ? __local_bh_enable_ip+0xa0/0x120
[   57.454327][ T3596]  mptcp_close+0x5f8/0x7f0
[   57.458732][ T3596]  inet_release+0x12e/0x280
[   57.463221][ T3596]  inet6_release+0x4c/0x70
[   57.467626][ T3596]  __sock_release+0xcd/0x280
[   57.472204][ T3596]  sock_close+0x18/0x20
[   57.476351][ T3596]  __fput+0x286/0x9f0
[   57.480347][ T3596]  ? __sock_release+0x280/0x280
[   57.485186][ T3596]  task_work_run+0xdd/0x1a0
[   57.489679][ T3596]  exit_to_user_mode_prepare+0x27e/0x290
[   57.495297][ T3596]  syscall_exit_to_user_mode+0x19/0x60
[   57.500738][ T3596]  do_syscall_64+0x42/0xb0
[   57.505234][ T3596]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.511164][ T3596] RIP: 0033:0x4b12db
[   57.515045][ T3596] 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
[   57.535068][ T3596] RSP: 002b:000000c0005714f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.543463][ T3596] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[   57.551416][ T3596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.559591][ T3596] RBP: 000000c000571530 R08: 0000000000f0ae01 R09: 00007ffc371c6080
[   57.567567][ T3596] R10: 00007ffc371c6090 R11: 0000000000000206 R12: 000000000000000c
[   57.575708][ T3596] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012500
[   57.583921][ T3596]  </TASK>
[   57.587369][ T3596] Kernel Offset: disabled
[   57.591896][ T3596] Rebooting in 86400 seconds..