Warning: Permanently added '10.128.0.70' (ECDSA) to the list of known hosts.
2021/12/14 00:17:36 fuzzer started
2021/12/14 00:17:36 connecting to host at 10.128.0.169:42175
2021/12/14 00:17:36 checking machine...
2021/12/14 00:17:36 checking revisions...
2021/12/14 00:17:36 testing simple program...
syzkaller login: [ 65.067972][ T3604] cgroup: Unknown subsys name 'net'
[ 65.204337][ T3604] cgroup: Unknown subsys name 'rlimit'
[ 66.550345][ T3606] chnl_net:caif_netlink_parms(): no params data found
[ 66.594314][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.601857][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.609951][ T3606] device bridge_slave_0 entered promiscuous mode
[ 66.619374][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.626468][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.634352][ T3606] device bridge_slave_1 entered promiscuous mode
[ 66.653800][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 66.664914][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 66.688423][ T3606] team0: Port device team_slave_0 added
[ 66.695845][ T3606] team0: Port device team_slave_1 added
[ 66.712450][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 66.719586][ T3606] 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.
[ 66.745553][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 66.758752][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 66.765697][ T3606] 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.
[ 66.791667][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 66.817323][ T3606] device hsr_slave_0 entered promiscuous mode
[ 66.824975][ T3606] device hsr_slave_1 entered promiscuous mode
[ 66.906618][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 66.918863][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 66.928448][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 66.938184][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 66.959980][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.967212][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.974823][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.981949][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 67.033204][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0
[ 67.046880][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 67.056980][ T136] bridge0: port 1(bridge_slave_0) entered disabled state
[ 67.064845][ T136] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.073707][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 67.088706][ T3606] 8021q: adding VLAN 0 to HW filter on device team0
[ 67.100844][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 67.109455][ T136] bridge0: port 1(bridge_slave_0) entered blocking state
[ 67.116983][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 67.139162][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 67.148055][ T136] bridge0: port 2(bridge_slave_1) entered blocking state
[ 67.155255][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 67.163858][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 67.177585][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 67.185603][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 67.200041][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 67.213528][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 67.224326][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 67.242250][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 67.249734][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 67.263793][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.283124][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 67.303645][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 67.312058][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 67.320326][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 67.330928][ T3606] device veth0_vlan entered promiscuous mode
[ 67.343693][ T3606] device veth1_vlan entered promiscuous mode
[ 67.364587][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 67.374171][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 67.382449][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 67.394773][ T3606] device veth0_macvtap entered promiscuous mode
[ 67.404621][ T3606] device veth1_macvtap entered promiscuous mode
[ 67.424026][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 67.431682][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 67.441184][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 67.452785][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 67.460806][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 67.471824][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.481322][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.490985][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.500049][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.572178][ T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.585512][ T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.599491][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 67.616468][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.625871][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.634646][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/14 00:17:39 building call list...
executing program
[ 67.931324][ T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 69.850082][ T3599] can: request_module (can-proto-0) failed.
[ 69.872125][ T3599] can: request_module (can-proto-0) failed.
[ 69.895822][ T3599] can: request_module (can-proto-0) failed.
[ 70.091771][ T3599] ------------[ cut here ]------------
[ 70.097614][ T3599] refcount_t: decrement hit 0; leaking memory.
[ 70.103994][ T3599] WARNING: CPU: 0 PID: 3599 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[ 70.114170][ T3599] Modules linked in:
[ 70.119275][ T3599] CPU: 1 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 70.127720][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 70.137856][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 70.143952][ T3599] Code: 1d b1 99 a1 09 31 ff 89 de e8 5d 3a 9c fd 84 db 75 e0 e8 74 36 9c fd 48 c7 c7 60 00 05 8a c6 05 91 99 a1 09 01 e8 cc 4b 27 05 <0f> 0b eb c4 e8 58 36 9c fd 0f b6 1d 80 99 a1 09 31 ff 89 de e8 28
[ 70.164167][ T3599] RSP: 0018:ffffc90001f5fab0 EFLAGS: 00010286
[ 70.170284][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 70.178322][ T3599] RDX: ffff888021873a00 RSI: ffffffff815f1e28 RDI: fffff520003ebf48
[ 70.186518][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 70.194594][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003ebf5b
[ 70.202679][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001f5fd10
[ 70.210773][ T3599] FS: 000000c00008a090(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 70.219841][ T3599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 70.226419][ T3599] CR2: 00007f0a5b59e300 CR3: 000000001cbe6000 CR4: 00000000003506e0
[ 70.234448][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 70.242464][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 70.250498][ T3599] Call Trace:
[ 70.253784][ T3599]
[ 70.256703][ T3599] ref_tracker_free+0x4fe/0x610
[ 70.261613][ T3599] ? ref_tracker_dir_exit+0x330/0x330
[ 70.267122][ T3599] ? bpf_sk_storage_free+0x333/0x3e0
[ 70.272432][ T3599] ? lock_downgrade+0x6e0/0x6e0
[ 70.277389][ T3599] ? kfree+0x1e1/0x560
[ 70.281486][ T3599] __sk_destruct+0x4a6/0x920
[ 70.286065][ T3599] sk_destruct+0xbd/0xe0
[ 70.290613][ T3599] __sk_free+0xef/0x3d0
[ 70.294793][ T3599] sk_free+0x78/0xa0
[ 70.298903][ T3599] __mptcp_close_ssk+0x435/0x590
[ 70.303955][ T3599] __mptcp_destroy_sock+0x35f/0x830
[ 70.309236][ T3599] ? __mptcp_close_ssk+0x590/0x590
[ 70.314365][ T3599] ? __local_bh_enable_ip+0xa0/0x120
[ 70.319747][ T3599] mptcp_close+0x5f8/0x7f0
[ 70.324174][ T3599] inet_release+0x12e/0x280
[ 70.328927][ T3599] inet6_release+0x4c/0x70
[ 70.333358][ T3599] __sock_release+0xcd/0x280
[ 70.338060][ T3599] sock_close+0x18/0x20
[ 70.342246][ T3599] __fput+0x286/0x9f0
[ 70.346250][ T3599] ? __sock_release+0x280/0x280
[ 70.351166][ T3599] task_work_run+0xdd/0x1a0
[ 70.355779][ T3599] exit_to_user_mode_prepare+0x27e/0x290
[ 70.361568][ T3599] syscall_exit_to_user_mode+0x19/0x60
[ 70.367108][ T3599] do_syscall_64+0x42/0xb0
[ 70.371545][ T3599] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 70.377509][ T3599] RIP: 0033:0x4b12db
[ 70.381416][ T3599] 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
[ 70.401450][ T3599] RSP: 002b:000000c00035f4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 70.410339][ T3599] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[ 70.418388][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 70.426470][ T3599] RBP: 000000c00035f530 R08: 0000000000f0ae01 R09: 00007ffd0d7f7080
[ 70.434509][ T3599] R10: 00007ffd0d7f7090 R11: 0000000000000206 R12: 000000000000000e
[ 70.442626][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0005ee000
[ 70.450710][ T3599]
[ 70.453918][ T3599] Kernel panic - not syncing: panic_on_warn set ...
[ 70.460502][ T3599] CPU: 1 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 70.468813][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 70.478853][ T3599] Call Trace:
[ 70.482120][ T3599]
[ 70.485034][ T3599] dump_stack_lvl+0xcd/0x134
[ 70.489614][ T3599] panic+0x2b0/0x6dd
[ 70.493505][ T3599] ? __warn_printk+0xf3/0xf3
[ 70.498090][ T3599] ? __warn.cold+0x1a/0x44
[ 70.502495][ T3599] ? refcount_warn_saturate+0xbf/0x1e0
[ 70.507949][ T3599] __warn.cold+0x35/0x44
[ 70.512198][ T3599] ? wake_up_klogd.part.0+0x8e/0xd0
[ 70.517386][ T3599] ? refcount_warn_saturate+0xbf/0x1e0
[ 70.522832][ T3599] report_bug+0x1bd/0x210
[ 70.527161][ T3599] handle_bug+0x3c/0x60
[ 70.531340][ T3599] exc_invalid_op+0x14/0x40
[ 70.535843][ T3599] asm_exc_invalid_op+0x12/0x20
[ 70.540680][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 70.546738][ T3599] Code: 1d b1 99 a1 09 31 ff 89 de e8 5d 3a 9c fd 84 db 75 e0 e8 74 36 9c fd 48 c7 c7 60 00 05 8a c6 05 91 99 a1 09 01 e8 cc 4b 27 05 <0f> 0b eb c4 e8 58 36 9c fd 0f b6 1d 80 99 a1 09 31 ff 89 de e8 28
[ 70.566341][ T3599] RSP: 0018:ffffc90001f5fab0 EFLAGS: 00010286
[ 70.572416][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 70.580383][ T3599] RDX: ffff888021873a00 RSI: ffffffff815f1e28 RDI: fffff520003ebf48
[ 70.588348][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 70.596316][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003ebf5b
[ 70.604288][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001f5fd10
[ 70.612265][ T3599] ? wake_up_klogd.part.0+0x8e/0xd0
[ 70.617471][ T3599] ? vprintk+0x88/0x90
[ 70.621807][ T3599] ref_tracker_free+0x4fe/0x610
[ 70.626659][ T3599] ? ref_tracker_dir_exit+0x330/0x330
[ 70.632030][ T3599] ? bpf_sk_storage_free+0x333/0x3e0
[ 70.637318][ T3599] ? lock_downgrade+0x6e0/0x6e0
[ 70.642184][ T3599] ? kfree+0x1e1/0x560
[ 70.646272][ T3599] __sk_destruct+0x4a6/0x920
[ 70.650897][ T3599] sk_destruct+0xbd/0xe0
[ 70.655577][ T3599] __sk_free+0xef/0x3d0
[ 70.659737][ T3599] sk_free+0x78/0xa0
[ 70.663632][ T3599] __mptcp_close_ssk+0x435/0x590
[ 70.668659][ T3599] __mptcp_destroy_sock+0x35f/0x830
[ 70.673857][ T3599] ? __mptcp_close_ssk+0x590/0x590
[ 70.678991][ T3599] ? __local_bh_enable_ip+0xa0/0x120
[ 70.684283][ T3599] mptcp_close+0x5f8/0x7f0
[ 70.688705][ T3599] inet_release+0x12e/0x280
[ 70.693212][ T3599] inet6_release+0x4c/0x70
[ 70.697717][ T3599] __sock_release+0xcd/0x280
[ 70.702310][ T3599] sock_close+0x18/0x20
[ 70.706474][ T3599] __fput+0x286/0x9f0
[ 70.710453][ T3599] ? __sock_release+0x280/0x280
[ 70.715311][ T3599] task_work_run+0xdd/0x1a0
[ 70.719826][ T3599] exit_to_user_mode_prepare+0x27e/0x290
[ 70.725462][ T3599] syscall_exit_to_user_mode+0x19/0x60
[ 70.730919][ T3599] do_syscall_64+0x42/0xb0
[ 70.735335][ T3599] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 70.741234][ T3599] RIP: 0033:0x4b12db
[ 70.745128][ T3599] 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
[ 70.764824][ T3599] RSP: 002b:000000c00035f4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 70.773322][ T3599] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[ 70.781290][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 70.789253][ T3599] RBP: 000000c00035f530 R08: 0000000000f0ae01 R09: 00007ffd0d7f7080
[ 70.797219][ T3599] R10: 00007ffd0d7f7090 R11: 0000000000000206 R12: 000000000000000e
[ 70.805186][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0005ee000
[ 70.813256][ T3599]
[ 70.816699][ T3599] Kernel Offset: disabled
[ 70.821109][ T3599] Rebooting in 86400 seconds..