DUID 00:04:1b:66:36:25:cc:bb:2d:eb:42:73:ce:96:f3:b7:d0:c0
forked to background, child pid 3180
[ 30.144300][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0
[ 30.156664][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts.
2021/12/18 01:44:21 fuzzer started
2021/12/18 01:44:21 connecting to host at 10.128.0.169:37829
2021/12/18 01:44:21 checking machine...
2021/12/18 01:44:21 checking revisions...
2021/12/18 01:44:21 testing simple program...
syzkaller login: [ 51.868294][ T3601] cgroup: Unknown subsys name 'net'
[ 51.969110][ T3601] cgroup: Unknown subsys name 'rlimit'
[ 53.268379][ T3604] chnl_net:caif_netlink_parms(): no params data found
[ 53.310941][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.318388][ T3604] bridge0: port 1(bridge_slave_0) entered disabled state
[ 53.326537][ T3604] device bridge_slave_0 entered promiscuous mode
[ 53.337478][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.344918][ T3604] bridge0: port 2(bridge_slave_1) entered disabled state
[ 53.354220][ T3604] device bridge_slave_1 entered promiscuous mode
[ 53.387859][ T3604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 53.412606][ T3604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 53.444485][ T3604] team0: Port device team_slave_0 added
[ 53.453304][ T3604] team0: Port device team_slave_1 added
[ 53.479469][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 53.486932][ T3604] 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.
[ 53.513015][ T3604] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 53.530000][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 53.537031][ T3604] 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.
[ 53.563422][ T3604] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 53.588879][ T3604] device hsr_slave_0 entered promiscuous mode
[ 53.596013][ T3604] device hsr_slave_1 entered promiscuous mode
[ 53.674490][ T3604] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 53.685194][ T3604] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 53.694296][ T3604] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 53.704435][ T3604] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 53.725421][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.732615][ T3604] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 53.740252][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.747345][ T3604] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 53.789682][ T3604] 8021q: adding VLAN 0 to HW filter on device bond0
[ 53.803622][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 53.815317][ T137] bridge0: port 1(bridge_slave_0) entered disabled state
[ 53.823906][ T137] bridge0: port 2(bridge_slave_1) entered disabled state
[ 53.831728][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 53.846479][ T3604] 8021q: adding VLAN 0 to HW filter on device team0
[ 53.857751][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 53.866863][ T7] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.873963][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 53.884702][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 53.893271][ T137] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.900427][ T137] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 53.924180][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 53.933478][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 53.941761][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 53.953288][ T3604] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 53.966206][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 53.976062][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 53.983998][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 54.003425][ T3604] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 54.010440][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 54.018016][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 54.038614][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 54.058136][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 54.067186][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 54.075793][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 54.087743][ T3604] device veth0_vlan entered promiscuous mode
[ 54.098067][ T3604] device veth1_vlan entered promiscuous mode
[ 54.117453][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 54.126296][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 54.134735][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 54.146262][ T3604] device veth0_macvtap entered promiscuous mode
[ 54.156517][ T3604] device veth1_macvtap entered promiscuous mode
[ 54.171122][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 54.179506][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 54.189464][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 54.201728][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 54.209488][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 54.221190][ T3604] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.230229][ T3604] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.240341][ T3604] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.249708][ T3604] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.314564][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 54.323104][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 54.335937][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 54.349725][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 54.358164][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 54.368059][ T137] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/18 01:44:24 building call list...
[ 54.628094][ T979] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 56.537944][ T3600] can: request_module (can-proto-0) failed.
[ 56.560100][ T3600] can: request_module (can-proto-0) failed.
[ 56.580450][ T3600] can: request_module (can-proto-0) failed.
[ 56.773042][ T3600] ------------[ cut here ]------------
[ 56.778816][ T3600] refcount_t: decrement hit 0; leaking memory.
[ 56.785468][ T3600] WARNING: CPU: 0 PID: 3600 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[ 56.794959][ T3600] Modules linked in:
[ 56.798851][ T3600] CPU: 0 PID: 3600 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 56.807238][ T3600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.817682][ T3600] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 56.824137][ T3600] 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
[ 56.844393][ T3600] RSP: 0018:ffffc90001abfab0 EFLAGS: 00010286
[ 56.850502][ T3600] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 56.859514][ T3600] RDX: ffff888021371d00 RSI: ffffffff815f1e28 RDI: fffff52000357f48
[ 56.868375][ T3600] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000001
[ 56.876520][ T3600] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000357f5b
[ 56.885927][ T3600] R13: 00000000ffffffef R14: ffffffff8d2fcfd4 R15: ffffc90001abfd10
[ 56.894219][ T3600] FS: 000000c0002be490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 56.903648][ T3600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.910312][ T3600] CR2: 00007ff71973c300 CR3: 000000001a863000 CR4: 00000000003506e0
[ 56.918674][ T3600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.927445][ T3600] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.935449][ T3600] Call Trace:
[ 56.938816][ T3600]
[ 56.941736][ T3600] ref_tracker_free+0x4fe/0x610
[ 56.946961][ T3600] ? ref_tracker_dir_exit+0x330/0x330
[ 56.952572][ T3600] ? bpf_sk_storage_free+0x333/0x3e0
[ 56.957863][ T3600] ? lock_downgrade+0x6e0/0x6e0
[ 56.963056][ T3600] ? kfree+0x1e1/0x560
[ 56.967147][ T3600] __sk_destruct+0x4a6/0x920
[ 56.971943][ T3600] sk_destruct+0xbd/0xe0
[ 56.976740][ T3600] __sk_free+0xef/0x3d0
[ 56.980923][ T3600] sk_free+0x78/0xa0
[ 56.985198][ T3600] __mptcp_close_ssk+0x435/0x590
[ 56.990181][ T3600] __mptcp_destroy_sock+0x35f/0x830
[ 56.995637][ T3600] ? __mptcp_close_ssk+0x590/0x590
[ 57.000742][ T3600] ? __local_bh_enable_ip+0xa0/0x120
[ 57.006250][ T3600] mptcp_close+0x5f8/0x7f0
[ 57.010663][ T3600] inet_release+0x12e/0x280
[ 57.015558][ T3600] inet6_release+0x4c/0x70
[ 57.019981][ T3600] __sock_release+0xcd/0x280
[ 57.024725][ T3600] sock_close+0x18/0x20
[ 57.028995][ T3600] __fput+0x286/0x9f0
[ 57.033335][ T3600] ? __sock_release+0x280/0x280
[ 57.038234][ T3600] task_work_run+0xdd/0x1a0
[ 57.043114][ T3600] exit_to_user_mode_prepare+0x27e/0x290
[ 57.048830][ T3600] syscall_exit_to_user_mode+0x19/0x60
[ 57.054568][ T3600] do_syscall_64+0x42/0xb0
[ 57.059069][ T3600] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 57.065217][ T3600] RIP: 0033:0x4b12db
[ 57.069103][ 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
[ 57.090196][ T3600] RSP: 002b:000000c00057f4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 57.098965][ T3600] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[ 57.107139][ T3600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 57.115283][ T3600] RBP: 000000c00057f530 R08: 0000000000f0ae01 R09: 00007ffc561f1080
[ 57.123414][ T3600] R10: 00007ffc561f1090 R11: 0000000000000206 R12: 000000000000000c
[ 57.131399][ T3600] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0002c0a00
[ 57.139935][ T3600]
[ 57.143261][ T3600] Kernel panic - not syncing: panic_on_warn set ...
[ 57.149846][ T3600] CPU: 1 PID: 3600 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 57.158340][ T3600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.168465][ T3600] Call Trace:
[ 57.171725][ T3600]
[ 57.174640][ T3600] dump_stack_lvl+0xcd/0x134
[ 57.179219][ T3600] panic+0x2b0/0x6dd
[ 57.183106][ T3600] ? __warn_printk+0xf3/0xf3
[ 57.187708][ T3600] ? __warn.cold+0x1a/0x44
[ 57.192113][ T3600] ? refcount_warn_saturate+0xbf/0x1e0
[ 57.197581][ T3600] __warn.cold+0x35/0x44
[ 57.201823][ T3600] ? wake_up_klogd.part.0+0x8e/0xd0
[ 57.207021][ T3600] ? refcount_warn_saturate+0xbf/0x1e0
[ 57.212485][ T3600] report_bug+0x1bd/0x210
[ 57.216835][ T3600] handle_bug+0x3c/0x60
[ 57.220996][ T3600] exc_invalid_op+0x14/0x40
[ 57.225507][ T3600] asm_exc_invalid_op+0x12/0x20
[ 57.230361][ T3600] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 57.236439][ T3600] 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
[ 57.256045][ T3600] RSP: 0018:ffffc90001abfab0 EFLAGS: 00010286
[ 57.262111][ T3600] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 57.270075][ T3600] RDX: ffff888021371d00 RSI: ffffffff815f1e28 RDI: fffff52000357f48
[ 57.278043][ T3600] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000001
[ 57.286006][ T3600] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000357f5b
[ 57.293972][ T3600] R13: 00000000ffffffef R14: ffffffff8d2fcfd4 R15: ffffc90001abfd10
[ 57.301943][ T3600] ? wake_up_klogd.part.0+0x8e/0xd0
[ 57.307146][ T3600] ? vprintk+0x88/0x90
[ 57.311221][ T3600] ref_tracker_free+0x4fe/0x610
[ 57.316073][ T3600] ? ref_tracker_dir_exit+0x330/0x330
[ 57.321441][ T3600] ? bpf_sk_storage_free+0x333/0x3e0
[ 57.326769][ T3600] ? lock_downgrade+0x6e0/0x6e0
[ 57.331616][ T3600] ? kfree+0x1e1/0x560
[ 57.335697][ T3600] __sk_destruct+0x4a6/0x920
[ 57.340431][ T3600] sk_destruct+0xbd/0xe0
[ 57.344773][ T3600] __sk_free+0xef/0x3d0
[ 57.348944][ T3600] sk_free+0x78/0xa0
[ 57.352848][ T3600] __mptcp_close_ssk+0x435/0x590
[ 57.357796][ T3600] __mptcp_destroy_sock+0x35f/0x830
[ 57.363005][ T3600] ? __mptcp_close_ssk+0x590/0x590
[ 57.368209][ T3600] ? __local_bh_enable_ip+0xa0/0x120
[ 57.373500][ T3600] mptcp_close+0x5f8/0x7f0
[ 57.377917][ T3600] inet_release+0x12e/0x280
[ 57.382422][ T3600] inet6_release+0x4c/0x70
[ 57.386840][ T3600] __sock_release+0xcd/0x280
[ 57.391431][ T3600] sock_close+0x18/0x20
[ 57.395587][ T3600] __fput+0x286/0x9f0
[ 57.399564][ T3600] ? __sock_release+0x280/0x280
[ 57.404418][ T3600] task_work_run+0xdd/0x1a0
[ 57.408925][ T3600] exit_to_user_mode_prepare+0x27e/0x290
[ 57.414579][ T3600] syscall_exit_to_user_mode+0x19/0x60
[ 57.420035][ T3600] do_syscall_64+0x42/0xb0
[ 57.424457][ T3600] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 57.430365][ T3600] RIP: 0033:0x4b12db
[ 57.434255][ 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
[ 57.453863][ T3600] RSP: 002b:000000c00057f4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 57.462272][ T3600] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[ 57.470269][ T3600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 57.478230][ T3600] RBP: 000000c00057f530 R08: 0000000000f0ae01 R09: 00007ffc561f1080
[ 57.486195][ T3600] R10: 00007ffc561f1090 R11: 0000000000000206 R12: 000000000000000c
[ 57.494160][ T3600] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0002c0a00
[ 57.502147][ T3600]
[ 57.505566][ T3600] Kernel Offset: disabled
[ 57.509968][ T3600] Rebooting in 86400 seconds..