Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts.
2021/12/14 12:28:02 fuzzer started
2021/12/14 12:28:02 connecting to host at 10.128.0.169:43069
2021/12/14 12:28:02 checking machine...
2021/12/14 12:28:02 checking revisions...
2021/12/14 12:28:02 testing simple program...
syzkaller login: [   52.349416][ T3604] cgroup: Unknown subsys name 'net'
[   52.460154][ T3604] cgroup: Unknown subsys name 'rlimit'
[   53.799529][ T3606] chnl_net:caif_netlink_parms(): no params data found
[   53.845191][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.852739][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.860858][ T3606] device bridge_slave_0 entered promiscuous mode
[   53.870922][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.878596][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.887060][ T3606] device bridge_slave_1 entered promiscuous mode
[   53.907362][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.918251][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.941964][ T3606] team0: Port device team_slave_0 added
[   53.950313][ T3606] team0: Port device team_slave_1 added
[   53.972416][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.979945][ T3606] 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.
[   54.006425][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   54.020500][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1
[   54.028076][ T3606] 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.
[   54.055062][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   54.094005][ T3606] device hsr_slave_0 entered promiscuous mode
[   54.112733][ T3606] device hsr_slave_1 entered promiscuous mode
[   54.206463][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   54.216431][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   54.226240][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   54.235437][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   54.256173][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.263411][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state
[   54.271101][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.278283][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state
[   54.324000][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0
[   54.338668][ T3606] 8021q: adding VLAN 0 to HW filter on device team0
[   54.346646][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   54.356151][ T3616] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.365567][ T3616] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.373499][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   54.393806][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   54.402186][ T3616] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.409795][ T3616] bridge0: port 1(bridge_slave_0) entered forwarding state
[   54.417500][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   54.426038][ T3616] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.433080][ T3616] bridge0: port 2(bridge_slave_1) entered forwarding state
[   54.449647][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   54.458884][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   54.471346][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   54.486982][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   54.495212][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   54.508486][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   54.525681][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   54.533799][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   54.547609][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0
[   54.564820][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   54.582813][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   54.591770][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   54.599730][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   54.610432][ T3606] device veth0_vlan entered promiscuous mode
[   54.621559][ T3606] device veth1_vlan entered promiscuous mode
[   54.642295][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   54.650863][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   54.659255][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   54.669637][ T3606] device veth0_macvtap entered promiscuous mode
[   54.679960][ T3606] device veth1_macvtap entered promiscuous mode
[   54.695798][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.705010][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   54.714672][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   54.726793][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.735643][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.746830][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.757133][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.765885][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.775363][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.840098][   T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.856116][   T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.866675][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.877912][   T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.886336][   T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.895627][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/14 12:28:05 building call list...
[   55.137914][   T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   56.965087][ T3596] can: request_module (can-proto-0) failed.
[   56.987141][ T3596] can: request_module (can-proto-0) failed.
[   57.011632][ T3596] can: request_module (can-proto-0) failed.
[   57.206147][ T3596] ------------[ cut here ]------------
[   57.211822][ T3596] refcount_t: decrement hit 0; leaking memory.
[   57.218612][ T3596] WARNING: CPU: 0 PID: 3596 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   57.228518][ T3596] Modules linked in:
[   57.232423][ T3596] CPU: 0 PID: 3596 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.241041][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.251155][ T3596] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.257289][ T3596] Code: 1d 11 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 f1 9e a1 09 01 e8 ac 44 27 05 <0f> 0b eb c4 e8 c8 3e 9c fd 0f b6 1d e0 9e a1 09 31 ff 89 de e8 98
[   57.276944][ T3596] RSP: 0018:ffffc90001abfab0 EFLAGS: 00010286
[   57.283003][ T3596] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.291021][ T3596] RDX: ffff8880233c9d00 RSI: ffffffff815f1db8 RDI: fffff52000357f48
[   57.299132][ T3596] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.307301][ T3596] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff92000357f5b
[   57.315732][ T3596] R13: 00000000ffffffef R14: ffffffff8d2fca54 R15: ffffc90001abfd10
[   57.323923][ T3596] FS:  000000c000030490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   57.332873][ T3596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.339635][ T3596] CR2: 00007f17a91d4300 CR3: 000000001a0b3000 CR4: 00000000003506f0
[   57.347689][ T3596] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   57.355715][ T3596] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   57.363724][ T3596] Call Trace:
[   57.367001][ T3596]  <TASK>
[   57.369919][ T3596]  ref_tracker_free+0x4fe/0x610
[   57.374826][ T3596]  ? ref_tracker_dir_exit+0x330/0x330
[   57.380211][ T3596]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.385542][ T3596]  ? lock_downgrade+0x6e0/0x6e0
[   57.390409][ T3596]  ? kfree+0x1e1/0x560
[   57.394746][ T3596]  __sk_destruct+0x4a6/0x920
[   57.399334][ T3596]  sk_destruct+0xbd/0xe0
[   57.403658][ T3596]  __sk_free+0xef/0x3d0
[   57.407830][ T3596]  sk_free+0x78/0xa0
[   57.411719][ T3596]  __mptcp_close_ssk+0x435/0x590
[   57.416719][ T3596]  __mptcp_destroy_sock+0x35f/0x830
[   57.421944][ T3596]  ? __mptcp_close_ssk+0x590/0x590
[   57.427108][ T3596]  ? __local_bh_enable_ip+0xa0/0x120
[   57.432414][ T3596]  mptcp_close+0x5f8/0x7f0
[   57.436917][ T3596]  inet_release+0x12e/0x280
[   57.441441][ T3596]  inet6_release+0x4c/0x70
[   57.445914][ T3596]  __sock_release+0xcd/0x280
[   57.450518][ T3596]  sock_close+0x18/0x20
[   57.454724][ T3596]  __fput+0x286/0x9f0
[   57.458712][ T3596]  ? __sock_release+0x280/0x280
[   57.463807][ T3596]  task_work_run+0xdd/0x1a0
[   57.468331][ T3596]  exit_to_user_mode_prepare+0x27e/0x290
[   57.474928][ T3596]  syscall_exit_to_user_mode+0x19/0x60
[   57.480377][ T3596]  do_syscall_64+0x42/0xb0
[   57.484932][ T3596]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.490844][ T3596] RIP: 0033:0x4b12db
[   57.494860][ 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
[   57.514524][ T3596] RSP: 002b:000000c0000e14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.523021][ T3596] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   57.531039][ T3596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.539058][ T3596] RBP: 000000c0000e1530 R08: 0000000000f0ae01 R09: 00007ffcecf3e080
[   57.547528][ T3596] R10: 00007ffcecf3e090 R11: 0000000000000206 R12: 0000000000000081
[   57.555683][ T3596] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012500
[   57.563819][ T3596]  </TASK>
[   57.566847][ T3596] Kernel panic - not syncing: panic_on_warn set ...
[   57.573429][ T3596] CPU: 0 PID: 3596 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   57.581778][ T3596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.591825][ T3596] Call Trace:
[   57.595092][ T3596]  <TASK>
[   57.598022][ T3596]  dump_stack_lvl+0xcd/0x134
[   57.602607][ T3596]  panic+0x2b0/0x6dd
[   57.606492][ T3596]  ? __warn_printk+0xf3/0xf3
[   57.611083][ T3596]  ? __warn.cold+0x1a/0x44
[   57.615488][ T3596]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.620940][ T3596]  __warn.cold+0x35/0x44
[   57.625168][ T3596]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.630357][ T3596]  ? refcount_warn_saturate+0xbf/0x1e0
[   57.635809][ T3596]  report_bug+0x1bd/0x210
[   57.640231][ T3596]  handle_bug+0x3c/0x60
[   57.644377][ T3596]  exc_invalid_op+0x14/0x40
[   57.648870][ T3596]  asm_exc_invalid_op+0x12/0x20
[   57.653708][ T3596] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.659787][ T3596] Code: 1d 11 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 f1 9e a1 09 01 e8 ac 44 27 05 <0f> 0b eb c4 e8 c8 3e 9c fd 0f b6 1d e0 9e a1 09 31 ff 89 de e8 98
[   57.679465][ T3596] RSP: 0018:ffffc90001abfab0 EFLAGS: 00010286
[   57.685528][ T3596] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.693491][ T3596] RDX: ffff8880233c9d00 RSI: ffffffff815f1db8 RDI: fffff52000357f48
[   57.701470][ T3596] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.709547][ T3596] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff92000357f5b
[   57.717530][ T3596] R13: 00000000ffffffef R14: ffffffff8d2fca54 R15: ffffc90001abfd10
[   57.725517][ T3596]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.730730][ T3596]  ? vprintk+0x88/0x90
[   57.734804][ T3596]  ref_tracker_free+0x4fe/0x610
[   57.739669][ T3596]  ? ref_tracker_dir_exit+0x330/0x330
[   57.745049][ T3596]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.750359][ T3596]  ? lock_downgrade+0x6e0/0x6e0
[   57.755220][ T3596]  ? kfree+0x1e1/0x560
[   57.759312][ T3596]  __sk_destruct+0x4a6/0x920
[   57.763947][ T3596]  sk_destruct+0xbd/0xe0
[   57.768198][ T3596]  __sk_free+0xef/0x3d0
[   57.772374][ T3596]  sk_free+0x78/0xa0
[   57.776273][ T3596]  __mptcp_close_ssk+0x435/0x590
[   57.781216][ T3596]  __mptcp_destroy_sock+0x35f/0x830
[   57.786414][ T3596]  ? __mptcp_close_ssk+0x590/0x590
[   57.791527][ T3596]  ? __local_bh_enable_ip+0xa0/0x120
[   57.796816][ T3596]  mptcp_close+0x5f8/0x7f0
[   57.801233][ T3596]  inet_release+0x12e/0x280
[   57.805737][ T3596]  inet6_release+0x4c/0x70
[   57.810154][ T3596]  __sock_release+0xcd/0x280
[   57.814744][ T3596]  sock_close+0x18/0x20
[   57.818897][ T3596]  __fput+0x286/0x9f0
[   57.822875][ T3596]  ? __sock_release+0x280/0x280
[   57.827814][ T3596]  task_work_run+0xdd/0x1a0
[   57.832352][ T3596]  exit_to_user_mode_prepare+0x27e/0x290
[   57.838005][ T3596]  syscall_exit_to_user_mode+0x19/0x60
[   57.843549][ T3596]  do_syscall_64+0x42/0xb0
[   57.847977][ T3596]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.853873][ T3596] RIP: 0033:0x4b12db
[   57.857769][ 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
[   57.877392][ T3596] RSP: 002b:000000c0000e14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.885818][ T3596] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   57.893794][ T3596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.901774][ T3596] RBP: 000000c0000e1530 R08: 0000000000f0ae01 R09: 00007ffcecf3e080
[   57.909781][ T3596] R10: 00007ffcecf3e090 R11: 0000000000000206 R12: 0000000000000081
[   57.917761][ T3596] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012500
[   57.925754][ T3596]  </TASK>
[   57.929161][ T3596] Kernel Offset: disabled
[   57.933574][ T3596] Rebooting in 86400 seconds..