DUID 00:04:00:dd:10:da:7f:85:b5:90:fb:fd:97:ac:66:d6:08:36
forked to background, child pid 3182
[ 31.659320][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0
[ 31.668866][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts.
2021/12/14 14:58:28 fuzzer started
2021/12/14 14:58:28 connecting to host at 10.128.0.169:34057
2021/12/14 14:58:28 checking machine...
2021/12/14 14:58:28 checking revisions...
2021/12/14 14:58:29 testing simple program...
syzkaller login: [ 50.553693][ T3614] cgroup: Unknown subsys name 'net'
[ 50.659109][ T3614] cgroup: Unknown subsys name 'rlimit'
[ 51.992923][ T3616] chnl_net:caif_netlink_parms(): no params data found
[ 52.038928][ T3616] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.046544][ T3616] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.055643][ T3616] device bridge_slave_0 entered promiscuous mode
[ 52.065177][ T3616] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.072415][ T3616] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.080282][ T3616] device bridge_slave_1 entered promiscuous mode
[ 52.101742][ T3616] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 52.113568][ T3616] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 52.136756][ T3616] team0: Port device team_slave_0 added
[ 52.144824][ T3616] team0: Port device team_slave_1 added
[ 52.161804][ T3616] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 52.169257][ 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.
[ 52.195774][ T3616] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 52.208960][ T3616] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 52.216168][ 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.
[ 52.242321][ T3616] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 52.268029][ T3616] device hsr_slave_0 entered promiscuous mode
[ 52.275447][ T3616] device hsr_slave_1 entered promiscuous mode
[ 52.358681][ T3616] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 52.369347][ T3616] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 52.378164][ T3616] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 52.387763][ T3616] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 52.409863][ T3616] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.417220][ T3616] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.425413][ T3616] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.432571][ T3616] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.478888][ T3616] 8021q: adding VLAN 0 to HW filter on device bond0
[ 52.491376][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 52.504316][ T5] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.514302][ T5] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.522169][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 52.536742][ T3616] 8021q: adding VLAN 0 to HW filter on device team0
[ 52.548430][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 52.556985][ T5] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.564103][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.584389][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 52.593211][ T5] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.600297][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.609295][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 52.620426][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 52.630444][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 52.646319][ T3616] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 52.657203][ T3616] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 52.671576][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 52.681104][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 52.691466][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 52.707599][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 52.715154][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 52.727952][ T3616] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 52.746924][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 52.765391][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 52.773918][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 52.781523][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 52.791883][ T3616] device veth0_vlan entered promiscuous mode
[ 52.805222][ T3616] device veth1_vlan entered promiscuous mode
[ 52.824591][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 52.834252][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 52.842488][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 52.854246][ T3616] device veth0_macvtap entered promiscuous mode
[ 52.865003][ T3616] device veth1_macvtap entered promiscuous mode
[ 52.882009][ T3616] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 52.890075][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 52.899298][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 52.911630][ T3616] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 52.919889][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 52.930909][ T3616] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.940743][ T3616] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.949957][ T3616] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.959027][ T3616] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.025087][ T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 53.034755][ T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 53.053731][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 53.064006][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 53.072104][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 53.080953][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/14 14:58:31 building call list...
[ 53.355308][ T54] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 55.206425][ T3609] can: request_module (can-proto-0) failed.
[ 55.228498][ T3609] can: request_module (can-proto-0) failed.
[ 55.249121][ T3609] can: request_module (can-proto-0) failed.
[ 55.449911][ T3609] ------------[ cut here ]------------
[ 55.456044][ T3609] refcount_t: decrement hit 0; leaking memory.
[ 55.462860][ T3609] WARNING: CPU: 1 PID: 3609 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[ 55.473776][ T3609] Modules linked in:
[ 55.477670][ T3609] CPU: 1 PID: 3609 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 55.486261][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.496602][ T3609] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 55.502835][ T3609] 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
[ 55.522528][ T3609] RSP: 0018:ffffc90001aefab0 EFLAGS: 00010286
[ 55.528608][ T3609] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 55.537160][ T3609] RDX: ffff88801ae6ba00 RSI: ffffffff815f1db8 RDI: fffff5200035df48
[ 55.546420][ T3609] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000001
[ 55.554713][ T3609] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff9200035df5b
[ 55.563063][ T3609] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90001aefd10
[ 55.571464][ T3609] FS: 000000c000030890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 55.580512][ T3609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.587233][ T3609] CR2: 00007f4363542300 CR3: 000000007fb40000 CR4: 00000000003506f0
[ 55.595549][ T3609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 55.603764][ T3609] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 55.611754][ T3609] Call Trace:
[ 55.615258][ T3609]
[ 55.618226][ T3609] ref_tracker_free+0x4fe/0x610
[ 55.623344][ T3609] ? ref_tracker_dir_exit+0x330/0x330
[ 55.628732][ T3609] ? bpf_sk_storage_free+0x333/0x3e0
[ 55.634273][ T3609] ? lock_downgrade+0x6e0/0x6e0
[ 55.639150][ T3609] ? kfree+0x1e1/0x560
[ 55.643483][ T3609] __sk_destruct+0x4a6/0x920
[ 55.648092][ T3609] sk_destruct+0xbd/0xe0
[ 55.652718][ T3609] __sk_free+0xef/0x3d0
[ 55.656901][ T3609] sk_free+0x78/0xa0
[ 55.660814][ T3609] __mptcp_close_ssk+0x435/0x590
[ 55.666000][ T3609] __mptcp_destroy_sock+0x35f/0x830
[ 55.671226][ T3609] ? __mptcp_close_ssk+0x590/0x590
[ 55.676632][ T3609] ? __local_bh_enable_ip+0xa0/0x120
[ 55.681941][ T3609] mptcp_close+0x5f8/0x7f0
[ 55.686523][ T3609] inet_release+0x12e/0x280
[ 55.691040][ T3609] inet6_release+0x4c/0x70
[ 55.695593][ T3609] __sock_release+0xcd/0x280
[ 55.700196][ T3609] sock_close+0x18/0x20
[ 55.704394][ T3609] __fput+0x286/0x9f0
[ 55.708387][ T3609] ? __sock_release+0x280/0x280
[ 55.713306][ T3609] task_work_run+0xdd/0x1a0
[ 55.717995][ T3609] exit_to_user_mode_prepare+0x27e/0x290
[ 55.723877][ T3609] syscall_exit_to_user_mode+0x19/0x60
[ 55.729350][ T3609] do_syscall_64+0x42/0xb0
[ 55.734294][ T3609] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 55.740217][ T3609] RIP: 0033:0x4b12db
[ 55.745256][ T3609] 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
[ 55.766069][ T3609] RSP: 002b:000000c0000e94f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 55.774843][ T3609] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[ 55.782935][ T3609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 55.790917][ T3609] RBP: 000000c0000e9530 R08: 0000000000f0ae01 R09: 00007ffda1ff8080
[ 55.799004][ T3609] R10: 00007ffda1ff8090 R11: 0000000000000206 R12: 0000000000000080
[ 55.807077][ T3609] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000423400
[ 55.815250][ T3609]
[ 55.818272][ T3609] Kernel panic - not syncing: panic_on_warn set ...
[ 55.824849][ T3609] CPU: 0 PID: 3609 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 55.833160][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.843204][ T3609] Call Trace:
[ 55.846485][ T3609]
[ 55.849404][ T3609] dump_stack_lvl+0xcd/0x134
[ 55.853995][ T3609] panic+0x2b0/0x6dd
[ 55.857905][ T3609] ? __warn_printk+0xf3/0xf3
[ 55.862505][ T3609] ? __warn.cold+0x1a/0x44
[ 55.866928][ T3609] ? refcount_warn_saturate+0xbf/0x1e0
[ 55.872383][ T3609] __warn.cold+0x35/0x44
[ 55.876618][ T3609] ? wake_up_klogd.part.0+0x8e/0xd0
[ 55.881805][ T3609] ? refcount_warn_saturate+0xbf/0x1e0
[ 55.887261][ T3609] report_bug+0x1bd/0x210
[ 55.891584][ T3609] handle_bug+0x3c/0x60
[ 55.895876][ T3609] exc_invalid_op+0x14/0x40
[ 55.900369][ T3609] asm_exc_invalid_op+0x12/0x20
[ 55.905213][ T3609] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 55.911308][ T3609] 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
[ 55.930992][ T3609] RSP: 0018:ffffc90001aefab0 EFLAGS: 00010286
[ 55.937050][ T3609] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 55.945009][ T3609] RDX: ffff88801ae6ba00 RSI: ffffffff815f1db8 RDI: fffff5200035df48
[ 55.952965][ T3609] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000001
[ 55.960923][ T3609] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff9200035df5b
[ 55.968935][ T3609] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90001aefd10
[ 55.976973][ T3609] ? wake_up_klogd.part.0+0x8e/0xd0
[ 55.982172][ T3609] ? vprintk+0x88/0x90
[ 55.986233][ T3609] ref_tracker_free+0x4fe/0x610
[ 55.991077][ T3609] ? ref_tracker_dir_exit+0x330/0x330
[ 55.996444][ T3609] ? bpf_sk_storage_free+0x333/0x3e0
[ 56.001727][ T3609] ? lock_downgrade+0x6e0/0x6e0
[ 56.006573][ T3609] ? kfree+0x1e1/0x560
[ 56.010644][ T3609] __sk_destruct+0x4a6/0x920
[ 56.015225][ T3609] sk_destruct+0xbd/0xe0
[ 56.019550][ T3609] __sk_free+0xef/0x3d0
[ 56.023699][ T3609] sk_free+0x78/0xa0
[ 56.027590][ T3609] __mptcp_close_ssk+0x435/0x590
[ 56.032518][ T3609] __mptcp_destroy_sock+0x35f/0x830
[ 56.037813][ T3609] ? __mptcp_close_ssk+0x590/0x590
[ 56.042919][ T3609] ? __local_bh_enable_ip+0xa0/0x120
[ 56.048221][ T3609] mptcp_close+0x5f8/0x7f0
[ 56.052641][ T3609] inet_release+0x12e/0x280
[ 56.057155][ T3609] inet6_release+0x4c/0x70
[ 56.061572][ T3609] __sock_release+0xcd/0x280
[ 56.066263][ T3609] sock_close+0x18/0x20
[ 56.070428][ T3609] __fput+0x286/0x9f0
[ 56.074403][ T3609] ? __sock_release+0x280/0x280
[ 56.079282][ T3609] task_work_run+0xdd/0x1a0
[ 56.083783][ T3609] exit_to_user_mode_prepare+0x27e/0x290
[ 56.089408][ T3609] syscall_exit_to_user_mode+0x19/0x60
[ 56.094879][ T3609] do_syscall_64+0x42/0xb0
[ 56.099288][ T3609] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.105256][ T3609] RIP: 0033:0x4b12db
[ 56.109137][ T3609] 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
[ 56.128756][ T3609] RSP: 002b:000000c0000e94f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 56.137188][ T3609] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[ 56.145151][ T3609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 56.153120][ T3609] RBP: 000000c0000e9530 R08: 0000000000f0ae01 R09: 00007ffda1ff8080
[ 56.161091][ T3609] R10: 00007ffda1ff8090 R11: 0000000000000206 R12: 0000000000000080
[ 56.169051][ T3609] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000423400
[ 56.177021][ T3609]
[ 56.180234][ T3609] Kernel Offset: disabled
[ 56.184655][ T3609] Rebooting in 86400 seconds..