Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. 2021/12/14 23:02:41 fuzzer started 2021/12/14 23:02:41 connecting to host at 10.128.0.169:35519 2021/12/14 23:02:41 checking machine... 2021/12/14 23:02:41 checking revisions... 2021/12/14 23:02:41 testing simple program... syzkaller login: [ 46.333673][ T3602] cgroup: Unknown subsys name 'net' [ 46.485073][ T3602] cgroup: Unknown subsys name 'rlimit' [ 47.688232][ T3607] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.696205][ T3607] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.703674][ T3607] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.711602][ T3607] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.719326][ T3607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 47.726772][ T3607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.813375][ T3606] chnl_net:caif_netlink_parms(): no params data found [ 47.855859][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.863467][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.871514][ T3606] device bridge_slave_0 entered promiscuous mode [ 47.880444][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.887541][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.895513][ T3606] device bridge_slave_1 entered promiscuous mode [ 47.916034][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.926965][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.949099][ T3606] team0: Port device team_slave_0 added [ 47.956218][ T3606] team0: Port device team_slave_1 added [ 47.974229][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.981347][ 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. [ 48.007434][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.019860][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.026800][ 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. [ 48.052943][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.079234][ T3606] device hsr_slave_0 entered promiscuous mode [ 48.086332][ T3606] device hsr_slave_1 entered promiscuous mode [ 48.161687][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.172235][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.181076][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.191162][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.211091][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.218245][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.225727][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.233021][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.275063][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.291784][ T3606] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.298971][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.309172][ T3616] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.317260][ T3616] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.326514][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.340252][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.349229][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.356344][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.380482][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.389880][ T3616] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.396937][ T3616] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.405278][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.414721][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.423191][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.434531][ T3606] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.445878][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.454801][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.462637][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.483168][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.491658][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.499954][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.518254][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.535249][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.543780][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.551591][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.561923][ T3606] device veth0_vlan entered promiscuous mode [ 48.573269][ T3606] device veth1_vlan entered promiscuous mode [ 48.591903][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.599982][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.609014][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.620299][ T3606] device veth0_macvtap entered promiscuous mode [ 48.629859][ T3606] device veth1_macvtap entered promiscuous mode [ 48.648907][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.656625][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.667261][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.679752][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.687945][ T926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.699854][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.710742][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.719638][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.729468][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.813556][ T55] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.824104][ T55] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.846102][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.853689][ T947] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.863995][ T947] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.873193][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/12/14 23:02:44 building call list... [ 49.113008][ T947] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 50.982845][ T3597] can: request_module (can-proto-0) failed. [ 51.004357][ T3597] can: request_module (can-proto-0) failed. [ 51.023962][ T3597] can: request_module (can-proto-0) failed. [ 51.215477][ T3597] ------------[ cut here ]------------ [ 51.221744][ T3597] refcount_t: decrement hit 0; leaking memory. [ 51.229256][ T3597] WARNING: CPU: 0 PID: 3597 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 [ 51.239174][ T3597] Modules linked in: [ 51.243076][ T3597] CPU: 1 PID: 3597 Comm: syz-fuzzer Not tainted 5.16.0-rc5-next-20211214-syzkaller #0 [ 51.252854][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.263131][ T3597] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 51.269356][ T3597] Code: 1d 06 e6 95 09 31 ff 89 de e8 4d f8 8f fd 84 db 75 e0 e8 64 f4 8f fd 48 c7 c7 a0 4d 05 8a c6 05 e6 e5 95 09 01 e8 26 ac 28 05 <0f> 0b eb c4 e8 48 f4 8f fd 0f b6 1d d5 e5 95 09 31 ff 89 de e8 18 [ 51.290363][ T3597] RSP: 0018:ffffc90001affab8 EFLAGS: 00010282 [ 51.296430][ T3597] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.304536][ T3597] RDX: ffff888074a20000 RSI: ffffffff815f4648 RDI: fffff5200035ff49 [ 51.313712][ T3597] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 51.321806][ T3597] R10: ffffffff815ee3ae R11: 0000000000000000 R12: 1ffff9200035ff5c [ 51.330508][ T3597] R13: 00000000ffffffef R14: ffffffff8d309554 R15: ffffc90001affd10 [ 51.338515][ T3597] FS: 000000c00002e890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 51.347588][ T3597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.354463][ T3597] CR2: 0000000001058048 CR3: 0000000075b6f000 CR4: 00000000003506e0 [ 51.362494][ T3597] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.370503][ T3597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.378600][ T3597] Call Trace: [ 51.381879][ T3597] [ 51.384799][ T3597] ref_tracker_free+0x4fe/0x610 [ 51.389712][ T3597] ? ref_tracker_dir_exit+0x330/0x330 [ 51.395093][ T3597] ? bpf_sk_storage_free+0x333/0x3e0 [ 51.400439][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 51.405307][ T3597] ? kfree+0x1ea/0x4b0 [ 51.409541][ T3597] __sk_destruct+0x3cd/0x710 [ 51.414152][ T3597] sk_destruct+0xbd/0xe0 [ 51.418466][ T3597] __sk_free+0xef/0x3d0 [ 51.422637][ T3597] sk_free+0x78/0xa0 [ 51.426526][ T3597] __mptcp_close_ssk+0x435/0x590 [ 51.431725][ T3597] __mptcp_destroy_sock+0x35f/0x830 [ 51.436948][ T3597] ? __mptcp_close_ssk+0x590/0x590 [ 51.442372][ T3597] ? __local_bh_enable_ip+0xa0/0x120 [ 51.447747][ T3597] mptcp_close+0x5f8/0x7f0 [ 51.452240][ T3597] inet_release+0x12e/0x280 [ 51.456741][ T3597] inet6_release+0x4c/0x70 [ 51.461202][ T3597] __sock_release+0xcd/0x280 [ 51.465814][ T3597] sock_close+0x18/0x20 [ 51.470112][ T3597] __fput+0x286/0x9f0 [ 51.474110][ T3597] ? __sock_release+0x280/0x280 [ 51.479056][ T3597] task_work_run+0xdd/0x1a0 [ 51.483602][ T3597] exit_to_user_mode_prepare+0x27e/0x290 [ 51.489336][ T3597] syscall_exit_to_user_mode+0x19/0x60 [ 51.494813][ T3597] do_syscall_64+0x42/0xb0 [ 51.499358][ T3597] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.505274][ T3597] RIP: 0033:0x4b12db [ 51.509249][ T3597] 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 [ 51.529024][ T3597] RSP: 002b:000000c0001074f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003 [ 51.537430][ T3597] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db [ 51.545603][ T3597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 [ 51.553625][ T3597] RBP: 000000c000107530 R08: 0000000000f0ae01 R09: 00007ffd41bd5080 [ 51.561743][ T3597] R10: 00007ffd41bd5090 R11: 0000000000000206 R12: 0000000000000081 [ 51.569774][ T3597] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0004f4000 [ 51.577946][ T3597] [ 51.580969][ T3597] Kernel panic - not syncing: panic_on_warn set ... [ 51.587539][ T3597] CPU: 1 PID: 3597 Comm: syz-fuzzer Not tainted 5.16.0-rc5-next-20211214-syzkaller #0 [ 51.597068][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.607107][ T3597] Call Trace: [ 51.610377][ T3597] [ 51.613292][ T3597] dump_stack_lvl+0xcd/0x134 [ 51.617890][ T3597] panic+0x2b0/0x6dd [ 51.621823][ T3597] ? __warn_printk+0xf3/0xf3 [ 51.626406][ T3597] ? __warn.cold+0x1d1/0x2cf [ 51.630986][ T3597] ? refcount_warn_saturate+0xbf/0x1e0 [ 51.636524][ T3597] __warn.cold+0x1ec/0x2cf [ 51.640924][ T3597] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.647220][ T3597] ? refcount_warn_saturate+0xbf/0x1e0 [ 51.652684][ T3597] report_bug+0x1bd/0x210 [ 51.657102][ T3597] handle_bug+0x3c/0x60 [ 51.661250][ T3597] exc_invalid_op+0x14/0x40 [ 51.665740][ T3597] asm_exc_invalid_op+0x12/0x20 [ 51.670593][ T3597] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 51.676676][ T3597] Code: 1d 06 e6 95 09 31 ff 89 de e8 4d f8 8f fd 84 db 75 e0 e8 64 f4 8f fd 48 c7 c7 a0 4d 05 8a c6 05 e6 e5 95 09 01 e8 26 ac 28 05 <0f> 0b eb c4 e8 48 f4 8f fd 0f b6 1d d5 e5 95 09 31 ff 89 de e8 18 [ 51.696275][ T3597] RSP: 0018:ffffc90001affab8 EFLAGS: 00010282 [ 51.702332][ T3597] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.710288][ T3597] RDX: ffff888074a20000 RSI: ffffffff815f4648 RDI: fffff5200035ff49 [ 51.718241][ T3597] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 51.726196][ T3597] R10: ffffffff815ee3ae R11: 0000000000000000 R12: 1ffff9200035ff5c [ 51.734151][ T3597] R13: 00000000ffffffef R14: ffffffff8d309554 R15: ffffc90001affd10 [ 51.742108][ T3597] ? wake_up_klogd.part.0+0x8e/0xd0 [ 51.747300][ T3597] ? vprintk+0x88/0x90 [ 51.751366][ T3597] ? refcount_warn_saturate+0xbf/0x1e0 [ 51.756817][ T3597] ref_tracker_free+0x4fe/0x610 [ 51.761653][ T3597] ? ref_tracker_dir_exit+0x330/0x330 [ 51.767010][ T3597] ? bpf_sk_storage_free+0x333/0x3e0 [ 51.772288][ T3597] ? lock_downgrade+0x6e0/0x6e0 [ 51.777127][ T3597] ? kfree+0x1ea/0x4b0 [ 51.781193][ T3597] __sk_destruct+0x3cd/0x710 [ 51.785779][ T3597] sk_destruct+0xbd/0xe0 [ 51.790014][ T3597] __sk_free+0xef/0x3d0 [ 51.794159][ T3597] sk_free+0x78/0xa0 [ 51.798045][ T3597] __mptcp_close_ssk+0x435/0x590 [ 51.802979][ T3597] __mptcp_destroy_sock+0x35f/0x830 [ 51.808169][ T3597] ? __mptcp_close_ssk+0x590/0x590 [ 51.813269][ T3597] ? __local_bh_enable_ip+0xa0/0x120 [ 51.818552][ T3597] mptcp_close+0x5f8/0x7f0 [ 51.822966][ T3597] inet_release+0x12e/0x280 [ 51.827458][ T3597] inet6_release+0x4c/0x70 [ 51.831869][ T3597] __sock_release+0xcd/0x280 [ 51.836454][ T3597] sock_close+0x18/0x20 [ 51.840601][ T3597] __fput+0x286/0x9f0 [ 51.844573][ T3597] ? __sock_release+0x280/0x280 [ 51.849421][ T3597] task_work_run+0xdd/0x1a0 [ 51.853915][ T3597] exit_to_user_mode_prepare+0x27e/0x290 [ 51.859540][ T3597] syscall_exit_to_user_mode+0x19/0x60 [ 51.864998][ T3597] do_syscall_64+0x42/0xb0 [ 51.869399][ T3597] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.875302][ T3597] RIP: 0033:0x4b12db [ 51.879181][ T3597] 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 [ 51.898768][ T3597] RSP: 002b:000000c0001074f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003 [ 51.907163][ T3597] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db [ 51.915134][ T3597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 [ 51.923087][ T3597] RBP: 000000c000107530 R08: 0000000000f0ae01 R09: 00007ffd41bd5080 [ 51.931042][ T3597] R10: 00007ffd41bd5090 R11: 0000000000000206 R12: 0000000000000081 [ 51.938996][ T3597] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0004f4000 [ 51.946959][ T3597] [ 51.950309][ T3597] Kernel Offset: disabled [ 51.954703][ T3597] Rebooting in 86400 seconds..