Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts. 2021/12/16 23:22:45 fuzzer started 2021/12/16 23:22:45 connecting to host at 10.128.0.169:43797 2021/12/16 23:22:45 checking machine... 2021/12/16 23:22:45 checking revisions... 2021/12/16 23:22:45 testing simple program... syzkaller login: [ 52.963008][ T3604] cgroup: Unknown subsys name 'net' [ 53.101264][ T3604] cgroup: Unknown subsys name 'rlimit' [ 54.395092][ T3606] chnl_net:caif_netlink_parms(): no params data found [ 54.438170][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.446483][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.454556][ T3606] device bridge_slave_0 entered promiscuous mode [ 54.463936][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.471138][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.478851][ T3606] device bridge_slave_1 entered promiscuous mode [ 54.498847][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.510739][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.534927][ T3606] team0: Port device team_slave_0 added [ 54.543031][ T3606] team0: Port device team_slave_1 added [ 54.559903][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.567716][ 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. [ 54.594757][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.607500][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.614882][ 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. [ 54.641477][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.666955][ T3606] device hsr_slave_0 entered promiscuous mode [ 54.674426][ T3606] device hsr_slave_1 entered promiscuous mode [ 54.752914][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.764123][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.772966][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.782298][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.803169][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.810506][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.818288][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.825381][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.874209][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.886844][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.897968][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.907039][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.915048][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.927838][ T3606] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.939604][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.948437][ T3616] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.955694][ T3616] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.973147][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.982488][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.989735][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.002473][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.011428][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.023870][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.040049][ T3606] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.050625][ T3606] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.064185][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.073798][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.083116][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.098836][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.107195][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.119954][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.138452][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.159030][ T3606] device veth0_vlan entered promiscuous mode [ 55.167189][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.175784][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.184906][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.197651][ T3606] device veth1_vlan entered promiscuous mode [ 55.216359][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.225609][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.234872][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.247248][ T3606] device veth0_macvtap entered promiscuous mode [ 55.256622][ T3606] device veth1_macvtap entered promiscuous mode [ 55.274114][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.281674][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.290728][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.303219][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.312053][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.323869][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.333249][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.342542][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.351683][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.420901][ T1073] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.443367][ T1073] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.460274][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.472809][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.480749][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.490342][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/12/16 23:22:48 building call list... [ 55.778491][ T1073] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 57.705168][ T3598] can: request_module (can-proto-0) failed. [ 57.727720][ T3598] can: request_module (can-proto-0) failed. [ 57.750157][ T3598] can: request_module (can-proto-0) failed. [ 57.948092][ T3598] ------------[ cut here ]------------ [ 57.954597][ T3598] refcount_t: decrement hit 0; leaking memory. [ 57.961190][ T3598] WARNING: CPU: 0 PID: 3598 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 [ 57.970582][ T3598] Modules linked in: [ 57.975208][ T3598] CPU: 1 PID: 3598 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0 [ 57.983777][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.994293][ T3598] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 58.000872][ T3598] 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 [ 58.020712][ T3598] RSP: 0018:ffffc90001d1fab0 EFLAGS: 00010286 [ 58.026962][ T3598] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.035068][ T3598] RDX: ffff88801f519d00 RSI: ffffffff815f1e28 RDI: fffff520003a3f48 [ 58.043276][ T3598] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 58.051395][ T3598] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003a3f5b [ 58.059506][ T3598] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001d1fd10 [ 58.067906][ T3598] FS: 000000c000030890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 58.077045][ T3598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.083717][ T3598] CR2: 0000000001058048 CR3: 000000007d96f000 CR4: 00000000003506f0 [ 58.091879][ T3598] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.100280][ T3598] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.108327][ T3598] Call Trace: [ 58.111667][ T3598] [ 58.114601][ T3598] ref_tracker_free+0x4fe/0x610 [ 58.119487][ T3598] ? ref_tracker_dir_exit+0x330/0x330 [ 58.124906][ T3598] ? bpf_sk_storage_free+0x333/0x3e0 [ 58.130644][ T3598] ? lock_downgrade+0x6e0/0x6e0 [ 58.135737][ T3598] ? kfree+0x1e1/0x560 [ 58.139825][ T3598] __sk_destruct+0x4a6/0x920 [ 58.144656][ T3598] sk_destruct+0xbd/0xe0 [ 58.149125][ T3598] __sk_free+0xef/0x3d0 [ 58.153377][ T3598] sk_free+0x78/0xa0 [ 58.157285][ T3598] __mptcp_close_ssk+0x435/0x590 [ 58.162322][ T3598] __mptcp_destroy_sock+0x35f/0x830 [ 58.167537][ T3598] ? __mptcp_close_ssk+0x590/0x590 [ 58.172792][ T3598] ? __local_bh_enable_ip+0xa0/0x120 [ 58.178095][ T3598] mptcp_close+0x5f8/0x7f0 [ 58.182600][ T3598] inet_release+0x12e/0x280 [ 58.187125][ T3598] inet6_release+0x4c/0x70 [ 58.191631][ T3598] __sock_release+0xcd/0x280 [ 58.196512][ T3598] sock_close+0x18/0x20 [ 58.200710][ T3598] __fput+0x286/0x9f0 [ 58.206610][ T3598] ? __sock_release+0x280/0x280 [ 58.213825][ T3598] task_work_run+0xdd/0x1a0 [ 58.221298][ T3598] exit_to_user_mode_prepare+0x27e/0x290 [ 58.229737][ T3598] syscall_exit_to_user_mode+0x19/0x60 [ 58.235477][ T3598] do_syscall_64+0x42/0xb0 [ 58.239925][ T3598] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 58.245936][ T3598] RIP: 0033:0x4b12db [ 58.249842][ T3598] 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 [ 58.270009][ T3598] RSP: 002b:000000c00033f4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003 [ 58.279009][ T3598] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db [ 58.287199][ T3598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 [ 58.295577][ T3598] RBP: 000000c00033f530 R08: 0000000000f0ae01 R09: 0000000000000000 [ 58.303887][ T3598] R10: ffffffffffffffff R11: 0000000000000206 R12: 000000000000000b [ 58.312250][ T3598] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0000a75e0 [ 58.320238][ T3598] [ 58.323452][ T3598] Kernel panic - not syncing: panic_on_warn set ... [ 58.330452][ T3598] CPU: 0 PID: 3598 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0 [ 58.338786][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.349461][ T3598] Call Trace: [ 58.352745][ T3598] [ 58.355775][ T3598] dump_stack_lvl+0xcd/0x134 [ 58.360384][ T3598] panic+0x2b0/0x6dd [ 58.364379][ T3598] ? __warn_printk+0xf3/0xf3 [ 58.368978][ T3598] ? __warn.cold+0x1a/0x44 [ 58.373426][ T3598] ? refcount_warn_saturate+0xbf/0x1e0 [ 58.378980][ T3598] __warn.cold+0x35/0x44 [ 58.383224][ T3598] ? wake_up_klogd.part.0+0x8e/0xd0 [ 58.388440][ T3598] ? refcount_warn_saturate+0xbf/0x1e0 [ 58.393901][ T3598] report_bug+0x1bd/0x210 [ 58.398410][ T3598] handle_bug+0x3c/0x60 [ 58.402568][ T3598] exc_invalid_op+0x14/0x40 [ 58.407075][ T3598] asm_exc_invalid_op+0x12/0x20 [ 58.412022][ T3598] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 58.418094][ T3598] 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 [ 58.437700][ T3598] RSP: 0018:ffffc90001d1fab0 EFLAGS: 00010286 [ 58.443764][ T3598] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.451728][ T3598] RDX: ffff88801f519d00 RSI: ffffffff815f1e28 RDI: fffff520003a3f48 [ 58.459866][ T3598] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 58.467832][ T3598] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003a3f5b [ 58.475799][ T3598] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001d1fd10 [ 58.483775][ T3598] ? wake_up_klogd.part.0+0x8e/0xd0 [ 58.489620][ T3598] ? vprintk+0x88/0x90 [ 58.493695][ T3598] ref_tracker_free+0x4fe/0x610 [ 58.498545][ T3598] ? ref_tracker_dir_exit+0x330/0x330 [ 58.503914][ T3598] ? bpf_sk_storage_free+0x333/0x3e0 [ 58.509208][ T3598] ? lock_downgrade+0x6e0/0x6e0 [ 58.514155][ T3598] ? kfree+0x1e1/0x560 [ 58.518248][ T3598] __sk_destruct+0x4a6/0x920 [ 58.522843][ T3598] sk_destruct+0xbd/0xe0 [ 58.527095][ T3598] __sk_free+0xef/0x3d0 [ 58.531268][ T3598] sk_free+0x78/0xa0 [ 58.535264][ T3598] __mptcp_close_ssk+0x435/0x590 [ 58.540302][ T3598] __mptcp_destroy_sock+0x35f/0x830 [ 58.545505][ T3598] ? __mptcp_close_ssk+0x590/0x590 [ 58.550618][ T3598] ? __local_bh_enable_ip+0xa0/0x120 [ 58.556017][ T3598] mptcp_close+0x5f8/0x7f0 [ 58.560781][ T3598] inet_release+0x12e/0x280 [ 58.565285][ T3598] inet6_release+0x4c/0x70 [ 58.569805][ T3598] __sock_release+0xcd/0x280 [ 58.574919][ T3598] sock_close+0x18/0x20 [ 58.579077][ T3598] __fput+0x286/0x9f0 [ 58.583056][ T3598] ? __sock_release+0x280/0x280 [ 58.587911][ T3598] task_work_run+0xdd/0x1a0 [ 58.592425][ T3598] exit_to_user_mode_prepare+0x27e/0x290 [ 58.598062][ T3598] syscall_exit_to_user_mode+0x19/0x60 [ 58.603523][ T3598] do_syscall_64+0x42/0xb0 [ 58.608029][ T3598] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 58.614010][ T3598] RIP: 0033:0x4b12db [ 58.617901][ T3598] 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 [ 58.637602][ T3598] RSP: 002b:000000c00033f4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003 [ 58.646013][ T3598] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db [ 58.654066][ T3598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 [ 58.662117][ T3598] RBP: 000000c00033f530 R08: 0000000000f0ae01 R09: 0000000000000000 [ 58.670088][ T3598] R10: ffffffffffffffff R11: 0000000000000206 R12: 000000000000000b [ 58.678154][ T3598] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0000a75e0 [ 58.686149][ T3598] [ 58.689623][ T3598] Kernel Offset: disabled [ 58.694167][ T3598] Rebooting in 86400 seconds..