Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts.
2021/12/14 14:19:18 fuzzer started
2021/12/14 14:19:18 connecting to host at 10.128.0.169:41983
2021/12/14 14:19:18 checking machine...
2021/12/14 14:19:18 checking revisions...
2021/12/14 14:19:19 testing simple program...
syzkaller login: [   52.233421][ T3601] cgroup: Unknown subsys name 'net'
[   52.366525][ T3601] cgroup: Unknown subsys name 'rlimit'
[   53.718247][ T3603] chnl_net:caif_netlink_parms(): no params data found
[   53.762568][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.770284][ T3603] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.778081][ T3603] device bridge_slave_0 entered promiscuous mode
[   53.787185][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.794574][ T3603] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.803128][ T3603] device bridge_slave_1 entered promiscuous mode
[   53.822887][ T3603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.834202][ T3603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.856800][ T3603] team0: Port device team_slave_0 added
[   53.864708][ T3603] team0: Port device team_slave_1 added
[   53.881823][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.888762][ T3603] 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.
[   53.914869][ T3603] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   53.928212][ T3603] batman_adv: batadv0: Adding interface: batadv_slave_1
[   53.935652][ T3603] 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.
[   53.962783][ T3603] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   53.989319][ T3603] device hsr_slave_0 entered promiscuous mode
[   53.996400][ T3603] device hsr_slave_1 entered promiscuous mode
[   54.074884][ T3603] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   54.085209][ T3603] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   54.094239][ T3603] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   54.103112][ T3603] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   54.132977][ T3603] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.140319][ T3603] bridge0: port 2(bridge_slave_1) entered forwarding state
[   54.147959][ T3603] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.155100][ T3603] bridge0: port 1(bridge_slave_0) entered forwarding state
[   54.217104][ T3603] 8021q: adding VLAN 0 to HW filter on device bond0
[   54.232456][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   54.266852][    T5] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.276169][    T5] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.285654][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   54.301298][ T3603] 8021q: adding VLAN 0 to HW filter on device team0
[   54.318431][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   54.327285][ T3612] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.334445][ T3612] bridge0: port 1(bridge_slave_0) entered forwarding state
[   54.351691][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   54.360524][   T20] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.367589][   T20] bridge0: port 2(bridge_slave_1) entered forwarding state
[   54.379104][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   54.388364][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   54.401197][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   54.412771][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   54.426099][ T3603] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   54.437708][ T3603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   54.446273][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   54.463882][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   54.471416][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   54.484281][ T3603] 8021q: adding VLAN 0 to HW filter on device batadv0
[   54.502951][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   54.521612][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   54.530314][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   54.538171][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   54.546993][ T3603] device veth0_vlan entered promiscuous mode
[   54.558170][ T3603] device veth1_vlan entered promiscuous mode
[   54.577166][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   54.586326][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   54.594609][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   54.605543][ T3603] device veth0_macvtap entered promiscuous mode
[   54.615882][ T3603] device veth1_macvtap entered promiscuous mode
[   54.630541][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.637905][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   54.647617][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   54.658759][ T3603] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.666320][ T3612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.677548][ T3603] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.686800][ T3603] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.695624][ T3603] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.704397][ T3603] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.771766][   T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.781237][   T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.791718][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.811293][   T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.819222][   T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.828309][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/14 14:19:21 building call list...
[   55.050180][   T50] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   56.893312][ T3596] can: request_module (can-proto-0) failed.
[   56.917055][ T3596] can: request_module (can-proto-0) failed.
[   56.937182][ T3596] can: request_module (can-proto-0) failed.
[   57.131756][ T3596] ------------[ cut here ]------------
[   57.137364][ T3596] refcount_t: decrement hit 0; leaking memory.
[   57.144164][ T3596] WARNING: CPU: 1 PID: 3596 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   57.153891][ T3596] Modules linked in:
[   57.157784][ T3596] CPU: 1 PID: 3596 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.166208][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.176401][ T3596] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.182516][ T3596] Code: 1d d1 9f a1 09 31 ff 89 de e8 cd 42 9c fd 84 db 75 e0 e8 e4 3e 9c fd 48 c7 c7 60 fa 04 8a c6 05 b1 9f a1 09 01 e8 ac 44 27 05 <0f> 0b eb c4 e8 c8 3e 9c fd 0f b6 1d a0 9f a1 09 31 ff 89 de e8 98
[   57.202183][ T3596] RSP: 0018:ffffc90001f3fab0 EFLAGS: 00010286
[   57.208241][ T3596] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.216269][ T3596] RDX: ffff88807d8bba00 RSI: ffffffff815f1db8 RDI: fffff520003e7f48
[   57.224278][ T3596] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.232301][ T3596] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff920003e7f5b
[   57.240317][ T3596] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90001f3fd10
[   57.248302][ T3596] FS:  000000c000096090(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[   57.257693][ T3596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.264336][ T3596] CR2: 00007f3d6120d300 CR3: 000000007c9a5000 CR4: 00000000003506e0
[   57.272365][ T3596] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   57.280389][ T3596] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   57.288359][ T3596] Call Trace:
[   57.291954][ T3596]  <TASK>
[   57.294891][ T3596]  ref_tracker_free+0x4fe/0x610
[   57.299802][ T3596]  ? ref_tracker_dir_exit+0x330/0x330
[   57.305180][ T3596]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.310631][ T3596]  ? lock_downgrade+0x6e0/0x6e0
[   57.315492][ T3596]  ? kfree+0x1e1/0x560
[   57.319635][ T3596]  __sk_destruct+0x4a6/0x920
[   57.324238][ T3596]  sk_destruct+0xbd/0xe0
[   57.328468][ T3596]  __sk_free+0xef/0x3d0
[   57.332847][ T3596]  sk_free+0x78/0xa0
[   57.336773][ T3596]  __mptcp_close_ssk+0x435/0x590
[   57.341816][ T3596]  __mptcp_destroy_sock+0x35f/0x830
[   57.347020][ T3596]  ? __mptcp_close_ssk+0x590/0x590
[   57.352267][ T3596]  ? __local_bh_enable_ip+0xa0/0x120
[   57.357567][ T3596]  mptcp_close+0x5f8/0x7f0
[   57.362037][ T3596]  inet_release+0x12e/0x280
[   57.366550][ T3596]  inet6_release+0x4c/0x70
[   57.371001][ T3596]  __sock_release+0xcd/0x280
[   57.375606][ T3596]  sock_close+0x18/0x20
[   57.379807][ T3596]  __fput+0x286/0x9f0
[   57.383795][ T3596]  ? __sock_release+0x280/0x280
[   57.388636][ T3596]  task_work_run+0xdd/0x1a0
[   57.393214][ T3596]  exit_to_user_mode_prepare+0x27e/0x290
[   57.398862][ T3596]  syscall_exit_to_user_mode+0x19/0x60
[   57.404375][ T3596]  do_syscall_64+0x42/0xb0
[   57.408806][ T3596]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.414753][ T3596] RIP: 0033:0x4b12db
[   57.418653][ 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
[   57.438312][ T3596] RSP: 002b:000000c0002d94f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.446774][ T3596] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   57.454786][ T3596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.462787][ T3596] RBP: 000000c0002d9530 R08: 0000000000f0ae01 R09: 00007ffed406f080
[   57.470808][ T3596] R10: 00007ffed406f090 R11: 0000000000000206 R12: 0000000000000080
[   57.478779][ T3596] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00052e280
[   57.486805][ T3596]  </TASK>
[   57.489860][ T3596] Kernel panic - not syncing: panic_on_warn set ...
[   57.496422][ T3596] CPU: 1 PID: 3596 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.504730][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.514768][ T3596] Call Trace:
[   57.518036][ T3596]  <TASK>
[   57.520957][ T3596]  dump_stack_lvl+0xcd/0x134
[   57.525631][ T3596]  panic+0x2b0/0x6dd
[   57.529521][ T3596]  ? __warn_printk+0xf3/0xf3
[   57.534118][ T3596]  ? __warn.cold+0x1a/0x44
[   57.538532][ T3596]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.543993][ T3596]  __warn.cold+0x35/0x44
[   57.548232][ T3596]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.553604][ T3596]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.559061][ T3596]  report_bug+0x1bd/0x210
[   57.563392][ T3596]  handle_bug+0x3c/0x60
[   57.567542][ T3596]  exc_invalid_op+0x14/0x40
[   57.572042][ T3596]  asm_exc_invalid_op+0x12/0x20
[   57.576892][ T3596] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.582961][ T3596] Code: 1d d1 9f a1 09 31 ff 89 de e8 cd 42 9c fd 84 db 75 e0 e8 e4 3e 9c fd 48 c7 c7 60 fa 04 8a c6 05 b1 9f a1 09 01 e8 ac 44 27 05 <0f> 0b eb c4 e8 c8 3e 9c fd 0f b6 1d a0 9f a1 09 31 ff 89 de e8 98
[   57.602561][ T3596] RSP: 0018:ffffc90001f3fab0 EFLAGS: 00010286
[   57.608621][ T3596] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.616582][ T3596] RDX: ffff88807d8bba00 RSI: ffffffff815f1db8 RDI: fffff520003e7f48
[   57.624568][ T3596] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.632527][ T3596] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff920003e7f5b
[   57.640491][ T3596] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90001f3fd10
[   57.648459][ T3596]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.653663][ T3596]  ? vprintk+0x88/0x90
[   57.657733][ T3596]  ref_tracker_free+0x4fe/0x610
[   57.662579][ T3596]  ? ref_tracker_dir_exit+0x330/0x330
[   57.667944][ T3596]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.673226][ T3596]  ? lock_downgrade+0x6e0/0x6e0
[   57.678096][ T3596]  ? kfree+0x1e1/0x560
[   57.682177][ T3596]  __sk_destruct+0x4a6/0x920
[   57.686773][ T3596]  sk_destruct+0xbd/0xe0
[   57.691011][ T3596]  __sk_free+0xef/0x3d0
[   57.695161][ T3596]  sk_free+0x78/0xa0
[   57.699055][ T3596]  __mptcp_close_ssk+0x435/0x590
[   57.703989][ T3596]  __mptcp_destroy_sock+0x35f/0x830
[   57.709185][ T3596]  ? __mptcp_close_ssk+0x590/0x590
[   57.714380][ T3596]  ? __local_bh_enable_ip+0xa0/0x120
[   57.719674][ T3596]  mptcp_close+0x5f8/0x7f0
[   57.724087][ T3596]  inet_release+0x12e/0x280
[   57.728592][ T3596]  inet6_release+0x4c/0x70
[   57.733009][ T3596]  __sock_release+0xcd/0x280
[   57.737596][ T3596]  sock_close+0x18/0x20
[   57.741746][ T3596]  __fput+0x286/0x9f0
[   57.745721][ T3596]  ? __sock_release+0x280/0x280
[   57.750576][ T3596]  task_work_run+0xdd/0x1a0
[   57.755080][ T3596]  exit_to_user_mode_prepare+0x27e/0x290
[   57.760712][ T3596]  syscall_exit_to_user_mode+0x19/0x60
[   57.766165][ T3596]  do_syscall_64+0x42/0xb0
[   57.770582][ T3596]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.776469][ T3596] RIP: 0033:0x4b12db
[   57.780351][ 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
[   57.799948][ T3596] RSP: 002b:000000c0002d94f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.808354][ T3596] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   57.816315][ T3596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.824274][ T3596] RBP: 000000c0002d9530 R08: 0000000000f0ae01 R09: 00007ffed406f080
[   57.832236][ T3596] R10: 00007ffed406f090 R11: 0000000000000206 R12: 0000000000000080
[   57.840202][ T3596] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00052e280
[   57.848177][ T3596]  </TASK>
[   57.851553][ T3596] Kernel Offset: disabled
[   57.855950][ T3596] Rebooting in 86400 seconds..