Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts. 2021/12/16 13:42:17 fuzzer started 2021/12/16 13:42:17 connecting to host at 10.128.0.169:38589 2021/12/16 13:42:17 checking machine... 2021/12/16 13:42:17 checking revisions... 2021/12/16 13:42:17 testing simple program... syzkaller login: [ 48.796082][ T3605] cgroup: Unknown subsys name 'net' [ 48.900224][ T3605] cgroup: Unknown subsys name 'rlimit' [ 50.198638][ T3608] chnl_net:caif_netlink_parms(): no params data found [ 50.242774][ T3608] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.250874][ T3608] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.259334][ T3608] device bridge_slave_0 entered promiscuous mode [ 50.269326][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.276673][ T3608] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.285194][ T3608] device bridge_slave_1 entered promiscuous mode [ 50.305637][ T3608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.317921][ T3608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.340896][ T3608] team0: Port device team_slave_0 added [ 50.348477][ T3608] team0: Port device team_slave_1 added [ 50.366879][ T3608] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.374061][ T3608] 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. [ 50.400332][ T3608] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.413691][ T3608] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.420766][ T3608] 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. [ 50.447195][ T3608] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.475606][ T3608] device hsr_slave_0 entered promiscuous mode [ 50.483086][ T3608] device hsr_slave_1 entered promiscuous mode [ 50.576123][ T3608] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.587561][ T3608] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.596840][ T3608] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.606206][ T3608] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.627675][ T3608] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.634923][ T3608] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.642831][ T3608] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.650101][ T3608] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.706664][ T3608] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.719140][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.729331][ T135] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.739003][ T135] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.748549][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.767177][ T3608] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.778594][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.787629][ T135] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.794726][ T135] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.807839][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.817341][ T135] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.824436][ T135] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.844225][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.853327][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.866072][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.877239][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.889981][ T3608] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.903592][ T3608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.911919][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.932329][ T3608] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.940538][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.948840][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.975748][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.985673][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.994890][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.002595][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.015920][ T3608] device veth0_vlan entered promiscuous mode [ 51.028404][ T3608] device veth1_vlan entered promiscuous mode [ 51.048185][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.056851][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.065931][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.078387][ T3608] device veth0_macvtap entered promiscuous mode [ 51.088249][ T3608] device veth1_macvtap entered promiscuous mode [ 51.105158][ T3608] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.112956][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.122650][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.137043][ T3608] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.145045][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.157253][ T3608] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.166386][ T3608] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.175485][ T3608] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.185294][ T3608] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.251269][ T1025] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.267590][ T1025] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.278488][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.288255][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.296383][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.305866][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/12/16 13:42:20 building call list... [ 51.563085][ T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 53.469261][ T3599] can: request_module (can-proto-0) failed. [ 53.492366][ T3599] can: request_module (can-proto-0) failed. [ 53.512868][ T3599] can: request_module (can-proto-0) failed. [ 53.718335][ T3599] ------------[ cut here ]------------ [ 53.724265][ T3599] refcount_t: decrement hit 0; leaking memory. [ 53.730656][ T3599] WARNING: CPU: 0 PID: 3599 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 [ 53.740277][ T3599] Modules linked in: [ 53.744850][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0 [ 53.753194][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.763434][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 53.769524][ 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 [ 53.789890][ T3599] RSP: 0018:ffffc90001a7fab0 EFLAGS: 00010286 [ 53.796379][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 53.805112][ T3599] RDX: ffff888022fdd700 RSI: ffffffff815f1e28 RDI: fffff5200034ff48 [ 53.813152][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 53.821314][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200034ff5b [ 53.829512][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001a7fd10 [ 53.838026][ T3599] FS: 000000c000030890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 53.847129][ T3599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.854967][ T3599] CR2: 00007f99d2782300 CR3: 000000001e0f6000 CR4: 00000000003506f0 [ 53.863077][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.872363][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.880502][ T3599] Call Trace: [ 53.884078][ T3599] [ 53.887053][ T3599] ref_tracker_free+0x4fe/0x610 [ 53.892074][ T3599] ? ref_tracker_dir_exit+0x330/0x330 [ 53.897599][ T3599] ? bpf_sk_storage_free+0x333/0x3e0 [ 53.903091][ T3599] ? lock_downgrade+0x6e0/0x6e0 [ 53.908165][ T3599] ? kfree+0x1e1/0x560 [ 53.912346][ T3599] __sk_destruct+0x4a6/0x920 [ 53.917098][ T3599] sk_destruct+0xbd/0xe0 [ 53.921541][ T3599] __sk_free+0xef/0x3d0 [ 53.925923][ T3599] sk_free+0x78/0xa0 [ 53.930005][ T3599] __mptcp_close_ssk+0x435/0x590 [ 53.935009][ T3599] __mptcp_destroy_sock+0x35f/0x830 [ 53.940400][ T3599] ? __mptcp_close_ssk+0x590/0x590 [ 53.945753][ T3599] ? __local_bh_enable_ip+0xa0/0x120 [ 53.951072][ T3599] mptcp_close+0x5f8/0x7f0 [ 53.955703][ T3599] inet_release+0x12e/0x280 [ 53.960551][ T3599] inet6_release+0x4c/0x70 [ 53.965088][ T3599] __sock_release+0xcd/0x280 [ 53.969715][ T3599] sock_close+0x18/0x20 [ 53.974009][ T3599] __fput+0x286/0x9f0 [ 53.978100][ T3599] ? __sock_release+0x280/0x280 [ 53.983006][ T3599] task_work_run+0xdd/0x1a0 [ 53.987583][ T3599] exit_to_user_mode_prepare+0x27e/0x290 [ 53.993445][ T3599] syscall_exit_to_user_mode+0x19/0x60 [ 53.998988][ T3599] do_syscall_64+0x42/0xb0 [ 54.003783][ T3599] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.009703][ T3599] RIP: 0033:0x4b12db [ 54.013666][ 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 [ 54.034112][ T3599] RSP: 002b:000000c0000d14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003 [ 54.042525][ T3599] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db [ 54.050572][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 [ 54.058941][ T3599] RBP: 000000c0000d1530 R08: 0000000000f0ae01 R09: 00007ffea91ea080 [ 54.067199][ T3599] R10: 00007ffea91ea090 R11: 0000000000000206 R12: 000000000000000d [ 54.075273][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000290280 [ 54.083277][ T3599] [ 54.086346][ T3599] Kernel panic - not syncing: panic_on_warn set ... [ 54.092931][ T3599] CPU: 0 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0 [ 54.101370][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.111415][ T3599] Call Trace: [ 54.114691][ T3599] [ 54.117612][ T3599] dump_stack_lvl+0xcd/0x134 [ 54.122223][ T3599] panic+0x2b0/0x6dd [ 54.126159][ T3599] ? __warn_printk+0xf3/0xf3 [ 54.130746][ T3599] ? __warn.cold+0x1a/0x44 [ 54.135349][ T3599] ? refcount_warn_saturate+0xbf/0x1e0 [ 54.140798][ T3599] __warn.cold+0x35/0x44 [ 54.145044][ T3599] ? wake_up_klogd.part.0+0x8e/0xd0 [ 54.150258][ T3599] ? refcount_warn_saturate+0xbf/0x1e0 [ 54.155891][ T3599] report_bug+0x1bd/0x210 [ 54.160242][ T3599] handle_bug+0x3c/0x60 [ 54.164399][ T3599] exc_invalid_op+0x14/0x40 [ 54.168926][ T3599] asm_exc_invalid_op+0x12/0x20 [ 54.173764][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 54.179824][ 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 [ 54.199422][ T3599] RSP: 0018:ffffc90001a7fab0 EFLAGS: 00010286 [ 54.205491][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.213464][ T3599] RDX: ffff888022fdd700 RSI: ffffffff815f1e28 RDI: fffff5200034ff48 [ 54.221536][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 54.229617][ T3599] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200034ff5b [ 54.237766][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001a7fd10 [ 54.245965][ T3599] ? wake_up_klogd.part.0+0x8e/0xd0 [ 54.251180][ T3599] ? vprintk+0x88/0x90 [ 54.255257][ T3599] ref_tracker_free+0x4fe/0x610 [ 54.260161][ T3599] ? ref_tracker_dir_exit+0x330/0x330 [ 54.265534][ T3599] ? bpf_sk_storage_free+0x333/0x3e0 [ 54.270906][ T3599] ? lock_downgrade+0x6e0/0x6e0 [ 54.275779][ T3599] ? kfree+0x1e1/0x560 [ 54.279880][ T3599] __sk_destruct+0x4a6/0x920 [ 54.284491][ T3599] sk_destruct+0xbd/0xe0 [ 54.288913][ T3599] __sk_free+0xef/0x3d0 [ 54.293070][ T3599] sk_free+0x78/0xa0 [ 54.297013][ T3599] __mptcp_close_ssk+0x435/0x590 [ 54.301953][ T3599] __mptcp_destroy_sock+0x35f/0x830 [ 54.307376][ T3599] ? __mptcp_close_ssk+0x590/0x590 [ 54.312487][ T3599] ? __local_bh_enable_ip+0xa0/0x120 [ 54.317797][ T3599] mptcp_close+0x5f8/0x7f0 [ 54.322330][ T3599] inet_release+0x12e/0x280 [ 54.326857][ T3599] inet6_release+0x4c/0x70 [ 54.331304][ T3599] __sock_release+0xcd/0x280 [ 54.336006][ T3599] sock_close+0x18/0x20 [ 54.340180][ T3599] __fput+0x286/0x9f0 [ 54.344190][ T3599] ? __sock_release+0x280/0x280 [ 54.349134][ T3599] task_work_run+0xdd/0x1a0 [ 54.353643][ T3599] exit_to_user_mode_prepare+0x27e/0x290 [ 54.359366][ T3599] syscall_exit_to_user_mode+0x19/0x60 [ 54.364828][ T3599] do_syscall_64+0x42/0xb0 [ 54.369263][ T3599] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.375271][ T3599] RIP: 0033:0x4b12db [ 54.379173][ 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 [ 54.398882][ T3599] RSP: 002b:000000c0000d14f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003 [ 54.407305][ T3599] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db [ 54.415276][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 [ 54.423442][ T3599] RBP: 000000c0000d1530 R08: 0000000000f0ae01 R09: 00007ffea91ea080 [ 54.431588][ T3599] R10: 00007ffea91ea090 R11: 0000000000000206 R12: 000000000000000d [ 54.439553][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000290280 [ 54.447621][ T3599] [ 54.451083][ T3599] Kernel Offset: disabled [ 54.455501][ T3599] Rebooting in 86400 seconds..