Warning: Permanently added '10.128.0.115' (ECDSA) to the list of known hosts.
2021/12/14 14:09:41 fuzzer started
2021/12/14 14:09:41 connecting to host at 10.128.0.169:36907
2021/12/14 14:09:41 checking machine...
2021/12/14 14:09:41 checking revisions...
2021/12/14 14:09:41 testing simple program...
syzkaller login: [   51.097173][ T3608] cgroup: Unknown subsys name 'net'
[   51.203600][ T3608] cgroup: Unknown subsys name 'rlimit'
[   52.456734][ T3611] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   52.464739][ T3611] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   52.472561][ T3611] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   52.480394][ T3611] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   52.488226][ T3611] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   52.495464][ T3611] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   52.583380][ T3610] chnl_net:caif_netlink_parms(): no params data found
[   52.627344][ T3610] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.634677][ T3610] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.642847][ T3610] device bridge_slave_0 entered promiscuous mode
[   52.652214][ T3610] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.659465][ T3610] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.667376][ T3610] device bridge_slave_1 entered promiscuous mode
[   52.688138][ T3610] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   52.698954][ T3610] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   52.721242][ T3610] team0: Port device team_slave_0 added
[   52.728721][ T3610] team0: Port device team_slave_1 added
[   52.746164][ T3610] batman_adv: batadv0: Adding interface: batadv_slave_0
[   52.753210][ 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.
[   52.779190][ T3610] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   52.791975][ T3610] batman_adv: batadv0: Adding interface: batadv_slave_1
[   52.799012][ 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.
[   52.825086][ T3610] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   52.850015][ T3610] device hsr_slave_0 entered promiscuous mode
[   52.856905][ T3610] device hsr_slave_1 entered promiscuous mode
[   52.938480][ T3610] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   52.948663][ T3610] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   52.957922][ T3610] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   52.966900][ T3610] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   52.987185][ T3610] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.994334][ T3610] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.002039][ T3610] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.009205][ T3610] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.053319][ T3610] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.066276][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.075574][ T1151] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.085366][ T1151] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.093525][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.106929][ T3610] 8021q: adding VLAN 0 to HW filter on device team0
[   53.119321][  T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.128028][  T140] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.135114][  T140] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.145068][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.154114][ T1151] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.161188][ T1151] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.181182][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.192339][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.207010][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.215359][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.228424][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.239114][ T3610] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.255704][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.263552][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   53.277732][ T3610] 8021q: adding VLAN 0 to HW filter on device batadv0
[   53.295031][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   53.314736][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   53.323895][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   53.332112][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   53.342871][ T3610] device veth0_vlan entered promiscuous mode
[   53.354011][ T3610] device veth1_vlan entered promiscuous mode
[   53.373906][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   53.381857][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   53.390864][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   53.401629][ T3610] device veth0_macvtap entered promiscuous mode
[   53.411588][ T3610] device veth1_macvtap entered promiscuous mode
[   53.426146][ T3610] batman_adv: batadv0: Interface activated: batadv_slave_0
[   53.434287][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   53.443406][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   53.455510][ T3610] batman_adv: batadv0: Interface activated: batadv_slave_1
[   53.463193][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   53.473669][ T3610] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   53.483554][ T3610] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   53.492607][ T3610] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   53.501440][ T3610] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   53.559584][    T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.573069][    T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.587175][ T1151] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   53.598092][    T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.607137][    T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.615578][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/14 14:09:44 building call list...
[   53.868053][  T951] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   55.679368][ T3603] can: request_module (can-proto-0) failed.
[   55.701237][ T3603] can: request_module (can-proto-0) failed.
[   55.721176][ T3603] can: request_module (can-proto-0) failed.
[   55.922737][ T3603] ------------[ cut here ]------------
[   55.928474][ T3603] refcount_t: decrement hit 0; leaking memory.
[   55.934848][ T3603] WARNING: CPU: 1 PID: 3603 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   55.944768][ T3603] Modules linked in:
[   55.949317][ T3603] CPU: 0 PID: 3603 Comm: syz-fuzzer Not tainted 5.16.0-rc5-next-20211213-syzkaller #0
[   55.958920][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.969193][ T3603] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.975267][ T3603] Code: 1d 16 e1 95 09 31 ff 89 de e8 1d 10 90 fd 84 db 75 e0 e8 34 0c 90 fd 48 c7 c7 20 48 05 8a c6 05 f6 e0 95 09 01 e8 50 a0 28 05 <0f> 0b eb c4 e8 18 0c 90 fd 0f b6 1d e5 e0 95 09 31 ff 89 de e8 e8
[   55.994944][ T3603] RSP: 0018:ffffc90001a3fab8 EFLAGS: 00010282
[   56.001263][ T3603] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.009320][ T3603] RDX: ffff888023313a80 RSI: ffffffff815f5868 RDI: fffff52000347f49
[   56.017359][ T3603] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.025319][ T3603] R10: ffffffff815ef5ce R11: 0000000000000000 R12: 1ffff92000347f5c
[   56.033314][ T3603] R13: 00000000ffffffef R14: ffffffff8d308dd4 R15: ffffc90001a3fd10
[   56.041310][ T3603] FS:  000000c000094090(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   56.050537][ T3603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.057430][ T3603] CR2: 00007fd4c07bb300 CR3: 0000000077cc0000 CR4: 00000000003506f0
[   56.065395][ T3603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.073664][ T3603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.082105][ T3603] Call Trace:
[   56.085402][ T3603]  <TASK>
[   56.088376][ T3603]  ref_tracker_free+0x4fe/0x610
[   56.093238][ T3603]  ? ref_tracker_dir_exit+0x330/0x330
[   56.098639][ T3603]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.103940][ T3603]  ? lock_downgrade+0x6e0/0x6e0
[   56.108850][ T3603]  ? kfree+0x1ea/0x4b0
[   56.112961][ T3603]  __sk_destruct+0x3cd/0x710
[   56.117618][ T3603]  sk_destruct+0xbd/0xe0
[   56.121882][ T3603]  __sk_free+0xef/0x3d0
[   56.126055][ T3603]  sk_free+0x78/0xa0
[   56.130142][ T3603]  __mptcp_close_ssk+0x435/0x590
[   56.135181][ T3603]  __mptcp_destroy_sock+0x35f/0x830
[   56.140420][ T3603]  ? __mptcp_close_ssk+0x590/0x590
[   56.145597][ T3603]  ? __local_bh_enable_ip+0xa0/0x120
[   56.150940][ T3603]  mptcp_close+0x5f8/0x7f0
[   56.155379][ T3603]  inet_release+0x12e/0x280
[   56.159922][ T3603]  inet6_release+0x4c/0x70
[   56.164353][ T3603]  __sock_release+0xcd/0x280
[   56.169010][ T3603]  sock_close+0x18/0x20
[   56.173180][ T3603]  __fput+0x286/0x9f0
[   56.177200][ T3603]  ? __sock_release+0x280/0x280
[   56.182069][ T3603]  task_work_run+0xdd/0x1a0
[   56.186624][ T3603]  exit_to_user_mode_prepare+0x27e/0x290
[   56.192273][ T3603]  syscall_exit_to_user_mode+0x19/0x60
[   56.197771][ T3603]  do_syscall_64+0x42/0xb0
[   56.202194][ T3603]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.208354][ T3603] RIP: 0033:0x4b12db
[   56.212258][ T3603] 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
[   56.232190][ T3603] RSP: 002b:000000c0004bf4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.240915][ T3603] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   56.249097][ T3603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.257268][ T3603] RBP: 000000c0004bf530 R08: 0000000000f0ae01 R09: 00007ffd9e987080
[   56.265307][ T3603] R10: 00007ffd9e987090 R11: 0000000000000206 R12: 000000000000000c
[   56.273420][ T3603] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00042abe0
[   56.281545][ T3603]  </TASK>
[   56.284595][ T3603] Kernel panic - not syncing: panic_on_warn set ...
[   56.291157][ T3603] CPU: 1 PID: 3603 Comm: syz-fuzzer Not tainted 5.16.0-rc5-next-20211213-syzkaller #0
[   56.300678][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.310712][ T3603] Call Trace:
[   56.313972][ T3603]  <TASK>
[   56.316884][ T3603]  dump_stack_lvl+0xcd/0x134
[   56.321465][ T3603]  panic+0x2b0/0x6dd
[   56.325341][ T3603]  ? __warn_printk+0xf3/0xf3
[   56.329918][ T3603]  ? __warn.cold+0x16c/0x2b5
[   56.334500][ T3603]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.339949][ T3603]  __warn.cold+0x187/0x2b5
[   56.344346][ T3603]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   56.350595][ T3603]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.356044][ T3603]  report_bug+0x1bd/0x210
[   56.360362][ T3603]  handle_bug+0x3c/0x60
[   56.364502][ T3603]  exc_invalid_op+0x14/0x40
[   56.368989][ T3603]  asm_exc_invalid_op+0x12/0x20
[   56.373827][ T3603] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.379882][ T3603] Code: 1d 16 e1 95 09 31 ff 89 de e8 1d 10 90 fd 84 db 75 e0 e8 34 0c 90 fd 48 c7 c7 20 48 05 8a c6 05 f6 e0 95 09 01 e8 50 a0 28 05 <0f> 0b eb c4 e8 18 0c 90 fd 0f b6 1d e5 e0 95 09 31 ff 89 de e8 e8
[   56.399469][ T3603] RSP: 0018:ffffc90001a3fab8 EFLAGS: 00010282
[   56.405517][ T3603] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.413470][ T3603] RDX: ffff888023313a80 RSI: ffffffff815f5868 RDI: fffff52000347f49
[   56.421423][ T3603] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.429389][ T3603] R10: ffffffff815ef5ce R11: 0000000000000000 R12: 1ffff92000347f5c
[   56.437516][ T3603] R13: 00000000ffffffef R14: ffffffff8d308dd4 R15: ffffc90001a3fd10
[   56.445487][ T3603]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.450687][ T3603]  ? vprintk+0x88/0x90
[   56.454749][ T3603]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.460198][ T3603]  ref_tracker_free+0x4fe/0x610
[   56.465037][ T3603]  ? ref_tracker_dir_exit+0x330/0x330
[   56.470391][ T3603]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.475666][ T3603]  ? lock_downgrade+0x6e0/0x6e0
[   56.480505][ T3603]  ? kfree+0x1ea/0x4b0
[   56.484572][ T3603]  __sk_destruct+0x3cd/0x710
[   56.489162][ T3603]  sk_destruct+0xbd/0xe0
[   56.493395][ T3603]  __sk_free+0xef/0x3d0
[   56.497539][ T3603]  sk_free+0x78/0xa0
[   56.501420][ T3603]  __mptcp_close_ssk+0x435/0x590
[   56.506347][ T3603]  __mptcp_destroy_sock+0x35f/0x830
[   56.511536][ T3603]  ? __mptcp_close_ssk+0x590/0x590
[   56.516636][ T3603]  ? __local_bh_enable_ip+0xa0/0x120
[   56.521924][ T3603]  mptcp_close+0x5f8/0x7f0
[   56.526333][ T3603]  inet_release+0x12e/0x280
[   56.530871][ T3603]  inet6_release+0x4c/0x70
[   56.535279][ T3603]  __sock_release+0xcd/0x280
[   56.539865][ T3603]  sock_close+0x18/0x20
[   56.544015][ T3603]  __fput+0x286/0x9f0
[   56.547987][ T3603]  ? __sock_release+0x280/0x280
[   56.552832][ T3603]  task_work_run+0xdd/0x1a0
[   56.557324][ T3603]  exit_to_user_mode_prepare+0x27e/0x290
[   56.562944][ T3603]  syscall_exit_to_user_mode+0x19/0x60
[   56.568392][ T3603]  do_syscall_64+0x42/0xb0
[   56.572796][ T3603]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.578682][ T3603] RIP: 0033:0x4b12db
[   56.582571][ T3603] 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
[   56.602168][ T3603] RSP: 002b:000000c0004bf4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.610568][ T3603] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   56.618521][ T3603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.626473][ T3603] RBP: 000000c0004bf530 R08: 0000000000f0ae01 R09: 00007ffd9e987080
[   56.634426][ T3603] R10: 00007ffd9e987090 R11: 0000000000000206 R12: 000000000000000c
[   56.642375][ T3603] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00042abe0
[   56.650348][ T3603]  </TASK>
[   56.653739][ T3603] Kernel Offset: disabled
[   56.658166][ T3603] Rebooting in 86400 seconds..