Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts.
2021/12/14 14:58:29 fuzzer started
2021/12/14 14:58:29 connecting to host at 10.128.0.169:34199
2021/12/14 14:58:29 checking machine...
2021/12/14 14:58:29 checking revisions...
2021/12/14 14:58:29 testing simple program...
syzkaller login: [   51.022276][ T3603] cgroup: Unknown subsys name 'net'
[   51.165167][ T3603] cgroup: Unknown subsys name 'rlimit'
[   52.484514][ T3605] chnl_net:caif_netlink_parms(): no params data found
[   52.526702][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.534236][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.542169][ T3605] device bridge_slave_0 entered promiscuous mode
[   52.551640][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.559035][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.566704][ T3605] device bridge_slave_1 entered promiscuous mode
[   52.587261][ T3605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   52.598366][ T3605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   52.621446][ T3605] team0: Port device team_slave_0 added
[   52.628923][ T3605] team0: Port device team_slave_1 added
[   52.645190][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_0
[   52.652298][ 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.
[   52.678310][ T3605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   52.691374][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_1
[   52.698327][ 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.
[   52.724372][ T3605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   52.751992][ T3605] device hsr_slave_0 entered promiscuous mode
[   52.759360][ T3605] device hsr_slave_1 entered promiscuous mode
[   52.835150][ T3605] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   52.845440][ T3605] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   52.854333][ T3605] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   52.863387][ T3605] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   52.884243][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.891494][ T3605] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.899330][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.906449][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.951305][ T3605] 8021q: adding VLAN 0 to HW filter on device bond0
[   52.964042][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   52.974375][  T135] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.982778][  T135] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.990776][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.005959][ T3605] 8021q: adding VLAN 0 to HW filter on device team0
[   53.016524][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.026002][   T20] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.033081][   T20] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.044454][  T135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.053202][  T135] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.060309][  T135] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.086266][ T3605] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   53.097127][ T3605] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   53.112570][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.121065][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.130742][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.139472][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.147687][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.155428][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.175435][ T3605] 8021q: adding VLAN 0 to HW filter on device batadv0
[   53.184146][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.191792][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   53.210076][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   53.226229][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   53.235213][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   53.243115][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   53.253662][ T3605] device veth0_vlan entered promiscuous mode
[   53.265128][ T3605] device veth1_vlan entered promiscuous mode
[   53.283449][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   53.292740][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   53.301183][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   53.311254][ T3605] device veth0_macvtap entered promiscuous mode
[   53.320703][ T3605] device veth1_macvtap entered promiscuous mode
[   53.337596][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_0
[   53.345516][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   53.355502][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   53.366598][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_1
[   53.374700][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   53.385964][ T3605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   53.395603][ T3605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   53.404594][ T3605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   53.414221][ T3605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   53.480213][  T943] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.489208][  T943] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.515085][    T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.522414][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   53.524957][    T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.540274][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/14 14:58:31 building call list...
[   53.782728][   T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[   55.612883][ T3600] can: request_module (can-proto-0) failed.
[   55.634322][ T3600] can: request_module (can-proto-0) failed.
[   55.653992][ T3600] can: request_module (can-proto-0) failed.
[   55.843382][ T3600] ------------[ cut here ]------------
[   55.849258][ T3600] refcount_t: decrement hit 0; leaking memory.
[   55.855658][ T3600] WARNING: CPU: 1 PID: 3600 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   55.865732][ T3600] Modules linked in:
[   55.869850][ T3600] CPU: 0 PID: 3600 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   55.878185][ T3600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.888511][ T3600] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   55.894862][ T3600] 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
[   55.914861][ T3600] RSP: 0018:ffffc90001cdfab0 EFLAGS: 00010286
[   55.921125][ T3600] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   55.929774][ T3600] RDX: ffff88801c0ad700 RSI: ffffffff815f1db8 RDI: fffff5200039bf48
[   55.937795][ T3600] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   55.945803][ T3600] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff9200039bf5b
[   55.953826][ T3600] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90001cdfd10
[   55.961875][ T3600] FS:  000000c000092890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   55.970955][ T3600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.977695][ T3600] CR2: 0000000001058048 CR3: 000000007c6b3000 CR4: 00000000003506f0
[   55.985707][ T3600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   55.993716][ T3600] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.001714][ T3600] Call Trace:
[   56.004991][ T3600]  <TASK>
[   56.007908][ T3600]  ref_tracker_free+0x4fe/0x610
[   56.012814][ T3600]  ? ref_tracker_dir_exit+0x330/0x330
[   56.018193][ T3600]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.023516][ T3600]  ? lock_downgrade+0x6e0/0x6e0
[   56.028379][ T3600]  ? kfree+0x1e1/0x560
[   56.032512][ T3600]  __sk_destruct+0x4a6/0x920
[   56.037119][ T3600]  sk_destruct+0xbd/0xe0
[   56.041598][ T3600]  __sk_free+0xef/0x3d0
[   56.045785][ T3600]  sk_free+0x78/0xa0
[   56.049858][ T3600]  __mptcp_close_ssk+0x435/0x590
[   56.054821][ T3600]  __mptcp_destroy_sock+0x35f/0x830
[   56.060097][ T3600]  ? __mptcp_close_ssk+0x590/0x590
[   56.065221][ T3600]  ? __local_bh_enable_ip+0xa0/0x120
[   56.070753][ T3600]  mptcp_close+0x5f8/0x7f0
[   56.075184][ T3600]  inet_release+0x12e/0x280
[   56.079748][ T3600]  inet6_release+0x4c/0x70
[   56.084179][ T3600]  __sock_release+0xcd/0x280
[   56.088824][ T3600]  sock_close+0x18/0x20
[   56.092987][ T3600]  __fput+0x286/0x9f0
[   56.096956][ T3600]  ? __sock_release+0x280/0x280
[   56.101849][ T3600]  task_work_run+0xdd/0x1a0
[   56.106366][ T3600]  exit_to_user_mode_prepare+0x27e/0x290
[   56.112033][ T3600]  syscall_exit_to_user_mode+0x19/0x60
[   56.117504][ T3600]  do_syscall_64+0x42/0xb0
[   56.121967][ T3600]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.127883][ T3600] RIP: 0033:0x4b12db
[   56.131807][ T3600] 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
[   56.151604][ T3600] RSP: 002b:000000c0001cd4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.160081][ T3600] RAX: 0000000000000000 RBX: 000000c00001e800 RCX: 00000000004b12db
[   56.168053][ T3600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.176214][ T3600] RBP: 000000c0001cd530 R08: 0000000000f0ae01 R09: 0000000000000000
[   56.184241][ T3600] R10: ffffffffffffffff R11: 0000000000000206 R12: 000000000000000c
[   56.192265][ T3600] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0004523c0
[   56.200372][ T3600]  </TASK>
[   56.203399][ T3600] Kernel panic - not syncing: panic_on_warn set ...
[   56.209977][ T3600] CPU: 0 PID: 3600 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.218285][ T3600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.228323][ T3600] Call Trace:
[   56.231591][ T3600]  <TASK>
[   56.234509][ T3600]  dump_stack_lvl+0xcd/0x134
[   56.239083][ T3600]  panic+0x2b0/0x6dd
[   56.242963][ T3600]  ? __warn_printk+0xf3/0xf3
[   56.247543][ T3600]  ? __warn.cold+0x1a/0x44
[   56.251946][ T3600]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.257392][ T3600]  __warn.cold+0x35/0x44
[   56.261619][ T3600]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.266802][ T3600]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.272245][ T3600]  report_bug+0x1bd/0x210
[   56.276560][ T3600]  handle_bug+0x3c/0x60
[   56.280708][ T3600]  exc_invalid_op+0x14/0x40
[   56.285198][ T3600]  asm_exc_invalid_op+0x12/0x20
[   56.290031][ T3600] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.296082][ T3600] 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
[   56.315671][ T3600] RSP: 0018:ffffc90001cdfab0 EFLAGS: 00010286
[   56.321718][ T3600] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.329670][ T3600] RDX: ffff88801c0ad700 RSI: ffffffff815f1db8 RDI: fffff5200039bf48
[   56.337621][ T3600] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.345574][ T3600] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff9200039bf5b
[   56.353526][ T3600] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90001cdfd10
[   56.361486][ T3600]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.366677][ T3600]  ? vprintk+0x88/0x90
[   56.370734][ T3600]  ref_tracker_free+0x4fe/0x610
[   56.375571][ T3600]  ? ref_tracker_dir_exit+0x330/0x330
[   56.380931][ T3600]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.386203][ T3600]  ? lock_downgrade+0x6e0/0x6e0
[   56.391035][ T3600]  ? kfree+0x1e1/0x560
[   56.395094][ T3600]  __sk_destruct+0x4a6/0x920
[   56.399671][ T3600]  sk_destruct+0xbd/0xe0
[   56.403901][ T3600]  __sk_free+0xef/0x3d0
[   56.408042][ T3600]  sk_free+0x78/0xa0
[   56.411919][ T3600]  __mptcp_close_ssk+0x435/0x590
[   56.416839][ T3600]  __mptcp_destroy_sock+0x35f/0x830
[   56.422020][ T3600]  ? __mptcp_close_ssk+0x590/0x590
[   56.427114][ T3600]  ? __local_bh_enable_ip+0xa0/0x120
[   56.432387][ T3600]  mptcp_close+0x5f8/0x7f0
[   56.436789][ T3600]  inet_release+0x12e/0x280
[   56.441278][ T3600]  inet6_release+0x4c/0x70
[   56.445679][ T3600]  __sock_release+0xcd/0x280
[   56.450257][ T3600]  sock_close+0x18/0x20
[   56.454397][ T3600]  __fput+0x286/0x9f0
[   56.458360][ T3600]  ? __sock_release+0x280/0x280
[   56.463239][ T3600]  task_work_run+0xdd/0x1a0
[   56.467729][ T3600]  exit_to_user_mode_prepare+0x27e/0x290
[   56.473350][ T3600]  syscall_exit_to_user_mode+0x19/0x60
[   56.478791][ T3600]  do_syscall_64+0x42/0xb0
[   56.483192][ T3600]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.489069][ T3600] RIP: 0033:0x4b12db
[   56.492946][ T3600] 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
[   56.512534][ T3600] RSP: 002b:000000c0001cd4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.520950][ T3600] RAX: 0000000000000000 RBX: 000000c00001e800 RCX: 00000000004b12db
[   56.528901][ T3600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.536851][ T3600] RBP: 000000c0001cd530 R08: 0000000000f0ae01 R09: 0000000000000000
[   56.544806][ T3600] R10: ffffffffffffffff R11: 0000000000000206 R12: 000000000000000c
[   56.552761][ T3600] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0004523c0
[   56.560724][ T3600]  </TASK>
[   56.564088][ T3600] Kernel Offset: disabled
[   56.568579][ T3600] Rebooting in 86400 seconds..