Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts.
2021/12/17 04:09:03 fuzzer started
2021/12/17 04:09:03 connecting to host at 10.128.0.169:39049
2021/12/17 04:09:03 checking machine...
2021/12/17 04:09:03 checking revisions...
2021/12/17 04:09:03 testing simple program...
syzkaller login: [   51.164429][ T3614] cgroup: Unknown subsys name 'net'
[   51.303366][ T3614] cgroup: Unknown subsys name 'rlimit'
[   52.653652][ T3616] chnl_net:caif_netlink_parms(): no params data found
[   52.703918][ T3616] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.712359][ T3616] bridge0: port 1(bridge_slave_0) entered disabled state
[   52.720634][ T3616] device bridge_slave_0 entered promiscuous mode
[   52.730619][ T3616] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.738086][ T3616] bridge0: port 2(bridge_slave_1) entered disabled state
[   52.745968][ T3616] device bridge_slave_1 entered promiscuous mode
[   52.768524][ T3616] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   52.780372][ T3616] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   52.806811][ T3616] team0: Port device team_slave_0 added
[   52.814498][ T3616] team0: Port device team_slave_1 added
[   52.832818][ T3616] batman_adv: batadv0: Adding interface: batadv_slave_0
[   52.839818][ T3616] 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.
[   52.866493][ T3616] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   52.879566][ T3616] batman_adv: batadv0: Adding interface: batadv_slave_1
[   52.886588][ T3616] 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.
[   52.912770][ T3616] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   52.939644][ T3616] device hsr_slave_0 entered promiscuous mode
[   52.946789][ T3616] device hsr_slave_1 entered promiscuous mode
[   53.029912][ T3616] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   53.040747][ T3616] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   53.050110][ T3616] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   53.059019][ T3616] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   53.080009][ T3616] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.087291][ T3616] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.095037][ T3616] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.102137][ T3616] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.147442][ T3616] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.161113][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.172374][    T5] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.182550][    T5] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.195881][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.208512][ T3616] 8021q: adding VLAN 0 to HW filter on device team0
[   53.221317][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.229773][ T3271] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.237093][ T3271] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.248792][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.258297][    T5] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.265474][    T5] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.289586][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.299685][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.314100][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.333137][ T3616] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   53.345891][ T3616] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   53.358484][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.368123][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.377424][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.399898][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.409730][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   53.424112][ T3616] 8021q: adding VLAN 0 to HW filter on device batadv0
[   53.448558][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   53.481682][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   53.490271][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   53.498685][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   53.510864][ T3616] device veth0_vlan entered promiscuous mode
[   53.521199][ T3616] device veth1_vlan entered promiscuous mode
[   53.541409][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   53.549810][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   53.558190][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   53.570748][ T3616] device veth0_macvtap entered promiscuous mode
[   53.580307][ T3616] device veth1_macvtap entered promiscuous mode
[   53.596482][ T3616] batman_adv: batadv0: Interface activated: batadv_slave_0
[   53.604180][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   53.614587][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   53.627233][ T3616] batman_adv: batadv0: Interface activated: batadv_slave_1
[   53.637687][ T3627] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   53.648891][ T3616] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   53.658934][ T3616] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   53.668167][ T3616] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   53.680030][ T3616] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   53.746161][   T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.756242][   T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.768497][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   53.786190][ T1101] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   53.794956][ T1101] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   53.804108][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/17 04:09:06 building call list...
executing program
[   54.088210][ T1101] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   55.985987][ T3608] can: request_module (can-proto-0) failed.
[   56.009302][ T3608] can: request_module (can-proto-0) failed.
[   56.031260][ T3608] can: request_module (can-proto-0) failed.
[   56.229794][ T3608] ------------[ cut here ]------------
[   56.235949][ T3608] refcount_t: decrement hit 0; leaking memory.
[   56.243326][ T3608] WARNING: CPU: 0 PID: 3608 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   56.253179][ T3608] Modules linked in:
[   56.257579][ T3608] CPU: 0 PID: 3608 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.266802][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.277427][ T3608] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.283537][ T3608] Code: 1d 11 92 a1 09 31 ff 89 de e8 7d 30 9c fd 84 db 75 e0 e8 94 2c 9c fd 48 c7 c7 a0 00 05 8a c6 05 f1 91 a1 09 01 e8 ec 51 27 05 <0f> 0b eb c4 e8 78 2c 9c fd 0f b6 1d e0 91 a1 09 31 ff 89 de e8 48
[   56.303755][ T3608] RSP: 0018:ffffc90001a8fab0 EFLAGS: 00010286
[   56.310263][ T3608] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.319034][ T3608] RDX: ffff888021080000 RSI: ffffffff815f1e28 RDI: fffff52000351f48
[   56.327439][ T3608] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.335425][ T3608] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000351f5b
[   56.344390][ T3608] R13: 00000000ffffffef R14: ffffffff8d2fcfd4 R15: ffffc90001a8fd10
[   56.353218][ T3608] FS:  000000c000030890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[   56.363676][ T3608] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.370746][ T3608] CR2: 00007f35953f7300 CR3: 000000001825f000 CR4: 00000000003506e0
[   56.379187][ T3608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.387230][ T3608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.395253][ T3608] Call Trace:
[   56.398702][ T3608]  <TASK>
[   56.401646][ T3608]  ref_tracker_free+0x4fe/0x610
[   56.406590][ T3608]  ? ref_tracker_dir_exit+0x330/0x330
[   56.411988][ T3608]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.417518][ T3608]  ? lock_downgrade+0x6e0/0x6e0
[   56.422468][ T3608]  ? kfree+0x1e1/0x560
[   56.427006][ T3608]  __sk_destruct+0x4a6/0x920
[   56.431618][ T3608]  sk_destruct+0xbd/0xe0
[   56.435866][ T3608]  __sk_free+0xef/0x3d0
[   56.441110][ T3608]  sk_free+0x78/0xa0
[   56.445409][ T3608]  __mptcp_close_ssk+0x435/0x590
[   56.450800][ T3608]  __mptcp_destroy_sock+0x35f/0x830
[   56.456002][ T3608]  ? __mptcp_close_ssk+0x590/0x590
[   56.462108][ T3608]  ? __local_bh_enable_ip+0xa0/0x120
[   56.472598][ T3608]  mptcp_close+0x5f8/0x7f0
[   56.478047][ T3608]  inet_release+0x12e/0x280
[   56.482759][ T3608]  inet6_release+0x4c/0x70
[   56.487676][ T3608]  __sock_release+0xcd/0x280
[   56.492272][ T3608]  sock_close+0x18/0x20
[   56.497909][ T3608]  __fput+0x286/0x9f0
[   56.501986][ T3608]  ? __sock_release+0x280/0x280
[   56.507293][ T3608]  task_work_run+0xdd/0x1a0
[   56.511954][ T3608]  exit_to_user_mode_prepare+0x27e/0x290
[   56.518008][ T3608]  syscall_exit_to_user_mode+0x19/0x60
[   56.523790][ T3608]  do_syscall_64+0x42/0xb0
[   56.528868][ T3608]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.541130][ T3608] RIP: 0033:0x4b12db
[   56.550410][ T3608] 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
[   56.572202][ T3608] RSP: 002b:000000c0001a14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.580806][ T3608] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   56.588866][ T3608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.596971][ T3608] RBP: 000000c0001a1530 R08: 0000000000f0ae01 R09: 0000000000000000
[   56.605001][ T3608] R10: ffffffffffffffff R11: 0000000000000206 R12: 0000000000000007
[   56.613439][ T3608] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0002fe000
[   56.622651][ T3608]  </TASK>
[   56.625674][ T3608] Kernel panic - not syncing: panic_on_warn set ...
[   56.632255][ T3608] CPU: 1 PID: 3608 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.640684][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.651024][ T3608] Call Trace:
[   56.654313][ T3608]  <TASK>
[   56.657248][ T3608]  dump_stack_lvl+0xcd/0x134
[   56.661846][ T3608]  panic+0x2b0/0x6dd
[   56.665831][ T3608]  ? __warn_printk+0xf3/0xf3
[   56.670432][ T3608]  ? __warn.cold+0x1a/0x44
[   56.674853][ T3608]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.680320][ T3608]  __warn.cold+0x35/0x44
[   56.684576][ T3608]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.689866][ T3608]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.695591][ T3608]  report_bug+0x1bd/0x210
[   56.699933][ T3608]  handle_bug+0x3c/0x60
[   56.704094][ T3608]  exc_invalid_op+0x14/0x40
[   56.708619][ T3608]  asm_exc_invalid_op+0x12/0x20
[   56.713474][ T3608] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.719545][ T3608] Code: 1d 11 92 a1 09 31 ff 89 de e8 7d 30 9c fd 84 db 75 e0 e8 94 2c 9c fd 48 c7 c7 a0 00 05 8a c6 05 f1 91 a1 09 01 e8 ec 51 27 05 <0f> 0b eb c4 e8 78 2c 9c fd 0f b6 1d e0 91 a1 09 31 ff 89 de e8 48
[   56.739248][ T3608] RSP: 0018:ffffc90001a8fab0 EFLAGS: 00010286
[   56.745511][ T3608] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.753658][ T3608] RDX: ffff888021080000 RSI: ffffffff815f1e28 RDI: fffff52000351f48
[   56.761716][ T3608] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.769860][ T3608] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000351f5b
[   56.777841][ T3608] R13: 00000000ffffffef R14: ffffffff8d2fcfd4 R15: ffffc90001a8fd10
[   56.785929][ T3608]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.791229][ T3608]  ? vprintk+0x88/0x90
[   56.795315][ T3608]  ref_tracker_free+0x4fe/0x610
[   56.800171][ T3608]  ? ref_tracker_dir_exit+0x330/0x330
[   56.805556][ T3608]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.810940][ T3608]  ? lock_downgrade+0x6e0/0x6e0
[   56.815966][ T3608]  ? kfree+0x1e1/0x560
[   56.820148][ T3608]  __sk_destruct+0x4a6/0x920
[   56.824919][ T3608]  sk_destruct+0xbd/0xe0
[   56.829251][ T3608]  __sk_free+0xef/0x3d0
[   56.833527][ T3608]  sk_free+0x78/0xa0
[   56.837426][ T3608]  __mptcp_close_ssk+0x435/0x590
[   56.842497][ T3608]  __mptcp_destroy_sock+0x35f/0x830
[   56.847714][ T3608]  ? __mptcp_close_ssk+0x590/0x590
[   56.853027][ T3608]  ? __local_bh_enable_ip+0xa0/0x120
[   56.860184][ T3608]  mptcp_close+0x5f8/0x7f0
[   56.864609][ T3608]  inet_release+0x12e/0x280
[   56.869485][ T3608]  inet6_release+0x4c/0x70
[   56.873942][ T3608]  __sock_release+0xcd/0x280
[   56.878545][ T3608]  sock_close+0x18/0x20
[   56.882703][ T3608]  __fput+0x286/0x9f0
[   56.886685][ T3608]  ? __sock_release+0x280/0x280
[   56.891558][ T3608]  task_work_run+0xdd/0x1a0
[   56.896077][ T3608]  exit_to_user_mode_prepare+0x27e/0x290
[   56.902149][ T3608]  syscall_exit_to_user_mode+0x19/0x60
[   56.907698][ T3608]  do_syscall_64+0x42/0xb0
[   56.912291][ T3608]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.918209][ T3608] RIP: 0033:0x4b12db
[   56.922108][ T3608] 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
[   56.942704][ T3608] RSP: 002b:000000c0001a14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.953483][ T3608] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[   56.961736][ T3608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.970012][ T3608] RBP: 000000c0001a1530 R08: 0000000000f0ae01 R09: 0000000000000000
[   56.978256][ T3608] R10: ffffffffffffffff R11: 0000000000000206 R12: 0000000000000007
[   56.986242][ T3608] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0002fe000
[   56.994604][ T3608]  </TASK>
[   56.998312][ T3608] Kernel Offset: disabled
[   57.002818][ T3608] Rebooting in 86400 seconds..