Warning: Permanently added '10.128.0.130' (ECDSA) to the list of known hosts.
2021/12/20 19:39:30 fuzzer started
2021/12/20 19:39:30 connecting to host at 10.128.0.169:33821
2021/12/20 19:39:30 checking machine...
2021/12/20 19:39:30 checking revisions...
2021/12/20 19:39:30 testing simple program...
syzkaller login: [   50.410430][ T3605] cgroup: Unknown subsys name 'net'
[   50.534204][ T3605] cgroup: Unknown subsys name 'rlimit'
[   51.842651][ T3607] chnl_net:caif_netlink_parms(): no params data found
[   51.887568][ T3607] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.895193][ T3607] bridge0: port 1(bridge_slave_0) entered disabled state
[   51.903037][ T3607] device bridge_slave_0 entered promiscuous mode
[   51.912249][ T3607] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.920068][ T3607] bridge0: port 2(bridge_slave_1) entered disabled state
[   51.928206][ T3607] device bridge_slave_1 entered promiscuous mode
[   51.949309][ T3607] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   51.961007][ T3607] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   51.985980][ T3607] team0: Port device team_slave_0 added
[   51.993513][ T3607] team0: Port device team_slave_1 added
[   52.011376][ T3607] batman_adv: batadv0: Adding interface: batadv_slave_0
[   52.018626][ T3607] 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.
[   52.045360][ T3607] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   52.058579][ T3607] batman_adv: batadv0: Adding interface: batadv_slave_1
[   52.065607][ T3607] 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.
[   52.092778][ T3607] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   52.119753][ T3607] device hsr_slave_0 entered promiscuous mode
[   52.127637][ T3607] device hsr_slave_1 entered promiscuous mode
[   52.209406][ T3607] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   52.221162][ T3607] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   52.230561][ T3607] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   52.239409][ T3607] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   52.261173][ T3607] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.268465][ T3607] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.276192][ T3607] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.283280][ T3607] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.330866][ T3607] 8021q: adding VLAN 0 to HW filter on device bond0
[   52.343550][ T1739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   52.353979][ T1739] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.363638][ T1739] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.372039][ T1739] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   52.388725][ T3607] 8021q: adding VLAN 0 to HW filter on device team0
[   52.402201][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   52.412705][  T922] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.420527][  T922] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.449122][ T1146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   52.458129][ T1146] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.465259][ T1146] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.496393][ T1739] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   52.507575][ T1739] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   52.516674][ T1739] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   52.535910][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   52.545404][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   52.556296][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   52.584116][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   52.593005][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   52.606884][ T3607] 8021q: adding VLAN 0 to HW filter on device batadv0
[   52.624508][ T1739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   52.643116][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   52.652860][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   52.661149][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   52.672479][ T3607] device veth0_vlan entered promiscuous mode
[   52.684854][ T3607] device veth1_vlan entered promiscuous mode
[   52.704692][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   52.713198][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   52.722642][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   52.733526][ T3607] device veth0_macvtap entered promiscuous mode
[   52.744083][ T3607] device veth1_macvtap entered promiscuous mode
[   52.760579][ T3607] batman_adv: batadv0: Interface activated: batadv_slave_0
[   52.768720][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   52.783988][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   52.796623][ T3607] batman_adv: batadv0: Interface activated: batadv_slave_1
[   52.806297][  T922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   52.816744][ T3607] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   52.827314][ T3607] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   52.836289][ T3607] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   52.845854][ T3607] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   52.911294][   T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   52.920767][   T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   52.934035][ T1739] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   52.956390][   T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   52.964854][   T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   52.976408][ T1146] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/20 19:39:33 building call list...
executing program
[   53.249400][  T973] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   55.202017][ T3595] can: request_module (can-proto-0) failed.
[   55.225069][ T3595] can: request_module (can-proto-0) failed.
[   55.246931][ T3595] can: request_module (can-proto-0) failed.
[   55.443346][ T3595] ------------[ cut here ]------------
[   55.450367][ T3595] refcount_t: decrement hit 0; leaking memory.
[   55.457279][ T3595] WARNING: CPU: 0 PID: 3595 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   55.467327][ T3595] Modules linked in:
[   55.471419][ T3595] CPU: 0 PID: 3595 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.480477][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.490785][ T3595] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.497204][ T3595] 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
[   55.518399][ T3595] RSP: 0018:ffffc90001acfab0 EFLAGS: 00010286
[   55.525609][ T3595] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.533622][ T3595] RDX: ffff8880779cd700 RSI: ffffffff815f1e28 RDI: fffff52000359f48
[   55.542260][ T3595] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000001
[   55.550729][ T3595] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000359f5b
[   55.559254][ T3595] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc90001acfd10
[   55.567534][ T3595] FS:  000000000186e830(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   55.576958][ T3595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.583647][ T3595] CR2: 0000000000efe470 CR3: 0000000018b6c000 CR4: 00000000003506f0
[   55.592257][ T3595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   55.601276][ T3595] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   55.609317][ T3595] Call Trace:
[   55.612628][ T3595]  <TASK>
[   55.615970][ T3595]  ref_tracker_free+0x4fe/0x610
[   55.620858][ T3595]  ? ref_tracker_dir_exit+0x330/0x330
[   55.626534][ T3595]  ? bpf_sk_storage_free+0x333/0x3e0
[   55.631926][ T3595]  ? lock_downgrade+0x6e0/0x6e0
[   55.637435][ T3595]  ? kfree+0x1e1/0x560
[   55.641540][ T3595]  __sk_destruct+0x4a6/0x920
[   55.646481][ T3595]  sk_destruct+0xbd/0xe0
[   55.650777][ T3595]  __sk_free+0xef/0x3d0
[   55.655135][ T3595]  sk_free+0x78/0xa0
[   55.659103][ T3595]  __mptcp_close_ssk+0x435/0x590
[   55.664138][ T3595]  __mptcp_destroy_sock+0x35f/0x830
[   55.669586][ T3595]  ? __mptcp_close_ssk+0x590/0x590
[   55.675139][ T3595]  ? __local_bh_enable_ip+0xa0/0x120
[   55.680458][ T3595]  mptcp_close+0x5f8/0x7f0
[   55.684942][ T3595]  inet_release+0x12e/0x280
[   55.689462][ T3595]  inet6_release+0x4c/0x70
[   55.694113][ T3595]  __sock_release+0xcd/0x280
[   55.698822][ T3595]  sock_close+0x18/0x20
[   55.703015][ T3595]  __fput+0x286/0x9f0
[   55.707111][ T3595]  ? __sock_release+0x280/0x280
[   55.711996][ T3595]  task_work_run+0xdd/0x1a0
[   55.716707][ T3595]  exit_to_user_mode_prepare+0x27e/0x290
[   55.722398][ T3595]  syscall_exit_to_user_mode+0x19/0x60
[   55.728101][ T3595]  do_syscall_64+0x42/0xb0
[   55.732645][ T3595]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   55.739512][ T3595] RIP: 0033:0x4b12db
[   55.743526][ T3595] 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
[   55.764547][ T3595] RSP: 002b:000000c0000e14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   55.773089][ T3595] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   55.782286][ T3595] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   55.790350][ T3595] RBP: 000000c0000e1530 R08: 0000000000f0e001 R09: 00007ffc855fa080
[   55.798634][ T3595] R10: 00007ffc855fa090 R11: 0000000000000206 R12: 000000000000000b
[   55.806954][ T3595] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00019dc20
[   55.815813][ T3595]  </TASK>
[   55.819013][ T3595] Kernel panic - not syncing: panic_on_warn set ...
[   55.825856][ T3595] CPU: 1 PID: 3595 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.834455][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.844755][ T3595] Call Trace:
[   55.848040][ T3595]  <TASK>
[   55.851323][ T3595]  dump_stack_lvl+0xcd/0x134
[   55.856320][ T3595]  panic+0x2b0/0x6dd
[   55.860224][ T3595]  ? __warn_printk+0xf3/0xf3
[   55.864831][ T3595]  ? __warn.cold+0x1a/0x44
[   55.869716][ T3595]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.875454][ T3595]  __warn.cold+0x35/0x44
[   55.879914][ T3595]  ? wake_up_klogd.part.0+0x8e/0xd0
[   55.885464][ T3595]  ? refcount_warn_saturate+0xbf/0x1e0
[   55.890939][ T3595]  report_bug+0x1bd/0x210
[   55.895279][ T3595]  handle_bug+0x3c/0x60
[   55.899651][ T3595]  exc_invalid_op+0x14/0x40
[   55.904145][ T3595]  asm_exc_invalid_op+0x12/0x20
[   55.908990][ T3595] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.915167][ T3595] 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
[   55.935408][ T3595] RSP: 0018:ffffc90001acfab0 EFLAGS: 00010286
[   55.941568][ T3595] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.949722][ T3595] RDX: ffff8880779cd700 RSI: ffffffff815f1e28 RDI: fffff52000359f48
[   55.958145][ T3595] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000001
[   55.966124][ T3595] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000359f5b
[   55.974099][ T3595] R13: 00000000ffffffef R14: ffffffff8d2fdf54 R15: ffffc90001acfd10
[   55.982084][ T3595]  ? wake_up_klogd.part.0+0x8e/0xd0
[   55.987369][ T3595]  ? vprintk+0x88/0x90
[   55.991553][ T3595]  ref_tracker_free+0x4fe/0x610
[   55.996527][ T3595]  ? ref_tracker_dir_exit+0x330/0x330
[   56.002109][ T3595]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.007506][ T3595]  ? lock_downgrade+0x6e0/0x6e0
[   56.012370][ T3595]  ? kfree+0x1e1/0x560
[   56.016540][ T3595]  __sk_destruct+0x4a6/0x920
[   56.021135][ T3595]  sk_destruct+0xbd/0xe0
[   56.025393][ T3595]  __sk_free+0xef/0x3d0
[   56.029680][ T3595]  sk_free+0x78/0xa0
[   56.033586][ T3595]  __mptcp_close_ssk+0x435/0x590
[   56.038556][ T3595]  __mptcp_destroy_sock+0x35f/0x830
[   56.044065][ T3595]  ? __mptcp_close_ssk+0x590/0x590
[   56.050226][ T3595]  ? __local_bh_enable_ip+0xa0/0x120
[   56.055790][ T3595]  mptcp_close+0x5f8/0x7f0
[   56.060411][ T3595]  inet_release+0x12e/0x280
[   56.065031][ T3595]  inet6_release+0x4c/0x70
[   56.069535][ T3595]  __sock_release+0xcd/0x280
[   56.074130][ T3595]  sock_close+0x18/0x20
[   56.078289][ T3595]  __fput+0x286/0x9f0
[   56.082286][ T3595]  ? __sock_release+0x280/0x280
[   56.087338][ T3595]  task_work_run+0xdd/0x1a0
[   56.091849][ T3595]  exit_to_user_mode_prepare+0x27e/0x290
[   56.097681][ T3595]  syscall_exit_to_user_mode+0x19/0x60
[   56.103229][ T3595]  do_syscall_64+0x42/0xb0
[   56.108176][ T3595]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.114105][ T3595] RIP: 0033:0x4b12db
[   56.118128][ T3595] 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
[   56.138131][ T3595] RSP: 002b:000000c0000e14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.146563][ T3595] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   56.154727][ T3595] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.162813][ T3595] RBP: 000000c0000e1530 R08: 0000000000f0e001 R09: 00007ffc855fa080
[   56.171091][ T3595] R10: 00007ffc855fa090 R11: 0000000000000206 R12: 000000000000000b
[   56.179169][ T3595] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00019dc20
[   56.187437][ T3595]  </TASK>
[   56.191376][ T3595] Kernel Offset: disabled
[   56.195891][ T3595] Rebooting in 86400 seconds..