DUID 00:04:1b:66:36:25:cc:bb:2d:eb:42:73:ce:96:f3:b7:d0:c0
forked to background, child pid 3182
[ 30.674941][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0
[ 30.685407][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts.
2021/12/16 13:42:22 fuzzer started
2021/12/16 13:42:22 connecting to host at 10.128.0.169:43997
2021/12/16 13:42:22 checking machine...
2021/12/16 13:42:22 checking revisions...
2021/12/16 13:42:23 testing simple program...
syzkaller login: [ 51.649893][ T3604] cgroup: Unknown subsys name 'net'
[ 51.785610][ T3604] cgroup: Unknown subsys name 'rlimit'
[ 53.093287][ T3606] chnl_net:caif_netlink_parms(): no params data found
[ 53.136807][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.144403][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state
[ 53.152308][ T3606] device bridge_slave_0 entered promiscuous mode
[ 53.161655][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.168750][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state
[ 53.176708][ T3606] device bridge_slave_1 entered promiscuous mode
[ 53.199473][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 53.210945][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 53.233811][ T3606] team0: Port device team_slave_0 added
[ 53.241715][ T3606] team0: Port device team_slave_1 added
[ 53.259090][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 53.266223][ 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.
[ 53.292534][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 53.305894][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 53.313019][ 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.
[ 53.339029][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 53.365051][ T3606] device hsr_slave_0 entered promiscuous mode
[ 53.372162][ T3606] device hsr_slave_1 entered promiscuous mode
[ 53.451838][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 53.463083][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 53.472125][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 53.482189][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 53.503228][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.510410][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 53.518382][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.525535][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 53.567077][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0
[ 53.578531][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 53.589203][ T5] bridge0: port 1(bridge_slave_0) entered disabled state
[ 53.597873][ T5] bridge0: port 2(bridge_slave_1) entered disabled state
[ 53.606738][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 53.621539][ T3606] 8021q: adding VLAN 0 to HW filter on device team0
[ 53.632333][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 53.641258][ T3268] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.648324][ T3268] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 53.659462][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 53.667836][ T5] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.674927][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 53.698394][ T3606] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 53.709027][ T3606] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 53.722816][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 53.732471][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 53.741192][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 53.750181][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 53.758492][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 53.766301][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 53.785758][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 53.793735][ T2065] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 53.801453][ T2065] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 53.818728][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 53.837097][ T2065] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 53.845369][ T2065] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 53.853141][ T2065] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 53.863797][ T3606] device veth0_vlan entered promiscuous mode
[ 53.874518][ T3606] device veth1_vlan entered promiscuous mode
[ 53.893823][ T2065] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 53.902338][ T2065] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 53.911016][ T2065] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 53.922799][ T3606] device veth0_macvtap entered promiscuous mode
[ 53.932595][ T3606] device veth1_macvtap entered promiscuous mode
[ 53.947391][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 53.955201][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 53.964860][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 53.975688][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 53.983792][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 53.994247][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.003453][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.013163][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.022068][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 54.079480][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 54.092510][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 54.106413][ T967] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 54.108149][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 54.114836][ T967] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 54.131043][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/16 13:42:25 building call list...
[ 54.398221][ T967] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 56.282843][ T3600] can: request_module (can-proto-0) failed.
[ 56.305258][ T3600] can: request_module (can-proto-0) failed.
[ 56.326370][ T3600] can: request_module (can-proto-0) failed.
[ 56.519051][ T3600] ------------[ cut here ]------------
[ 56.524930][ T3600] refcount_t: decrement hit 0; leaking memory.
[ 56.532070][ T3600] WARNING: CPU: 1 PID: 3600 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[ 56.541809][ T3600] Modules linked in:
[ 56.545704][ T3600] CPU: 1 PID: 3600 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 56.554107][ T3600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.564215][ T3600] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 56.570358][ T3600] 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
[ 56.590047][ T3600] RSP: 0018:ffffc90001b1fab0 EFLAGS: 00010286
[ 56.596131][ T3600] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 56.604141][ T3600] RDX: ffff888073960000 RSI: ffffffff815f1e28 RDI: fffff52000363f48
[ 56.612167][ T3600] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 56.620633][ T3600] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000363f5b
[ 56.628630][ T3600] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001b1fd10
[ 56.636698][ T3600] FS: 000000c0000ffc90(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 56.645665][ T3600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.652328][ T3600] CR2: 00007fbb5e4cc300 CR3: 000000007c199000 CR4: 00000000003506e0
[ 56.660345][ T3600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.668317][ T3600] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.676375][ T3600] Call Trace:
[ 56.680003][ T3600]
[ 56.682939][ T3600] ref_tracker_free+0x4fe/0x610
[ 56.687779][ T3600] ? ref_tracker_dir_exit+0x330/0x330
[ 56.693218][ T3600] ? bpf_sk_storage_free+0x333/0x3e0
[ 56.698518][ T3600] ? lock_downgrade+0x6e0/0x6e0
[ 56.703502][ T3600] ? kfree+0x1e1/0x560
[ 56.707592][ T3600] __sk_destruct+0x4a6/0x920
[ 56.712247][ T3600] sk_destruct+0xbd/0xe0
[ 56.716507][ T3600] __sk_free+0xef/0x3d0
[ 56.720694][ T3600] sk_free+0x78/0xa0
[ 56.724712][ T3600] __mptcp_close_ssk+0x435/0x590
[ 56.729728][ T3600] __mptcp_destroy_sock+0x35f/0x830
[ 56.734936][ T3600] ? __mptcp_close_ssk+0x590/0x590
[ 56.740093][ T3600] ? __local_bh_enable_ip+0xa0/0x120
[ 56.745389][ T3600] mptcp_close+0x5f8/0x7f0
[ 56.749866][ T3600] inet_release+0x12e/0x280
[ 56.754382][ T3600] inet6_release+0x4c/0x70
[ 56.758789][ T3600] __sock_release+0xcd/0x280
[ 56.763434][ T3600] sock_close+0x18/0x20
[ 56.767608][ T3600] __fput+0x286/0x9f0
[ 56.771661][ T3600] ? __sock_release+0x280/0x280
[ 56.776535][ T3600] task_work_run+0xdd/0x1a0
[ 56.781090][ T3600] exit_to_user_mode_prepare+0x27e/0x290
[ 56.786734][ T3600] syscall_exit_to_user_mode+0x19/0x60
[ 56.792267][ T3600] do_syscall_64+0x42/0xb0
[ 56.796696][ T3600] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.802617][ T3600] RIP: 0033:0x4b12db
[ 56.806513][ T3600] 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
[ 56.826379][ T3600] RSP: 002b:000000c0000d74f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 56.834873][ T3600] RAX: 0000000000000000 RBX: 000000c00001e000 RCX: 00000000004b12db
[ 56.842974][ T3600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 56.851009][ T3600] RBP: 000000c0000d7530 R08: 0000000000f0ae01 R09: 0000000000000000
[ 56.858980][ T3600] R10: ffffffffffffffff R11: 0000000000000206 R12: 0000000000000007
[ 56.867006][ T3600] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0004643c0
[ 56.875013][ T3600]
[ 56.878022][ T3600] Kernel panic - not syncing: panic_on_warn set ...
[ 56.884585][ T3600] CPU: 1 PID: 3600 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 56.892904][ T3600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.902952][ T3600] Call Trace:
[ 56.906241][ T3600]
[ 56.909161][ T3600] dump_stack_lvl+0xcd/0x134
[ 56.913840][ T3600] panic+0x2b0/0x6dd
[ 56.917732][ T3600] ? __warn_printk+0xf3/0xf3
[ 56.922330][ T3600] ? __warn.cold+0x1a/0x44
[ 56.926749][ T3600] ? refcount_warn_saturate+0xbf/0x1e0
[ 56.932209][ T3600] __warn.cold+0x35/0x44
[ 56.936454][ T3600] ? wake_up_klogd.part.0+0x8e/0xd0
[ 56.941652][ T3600] ? refcount_warn_saturate+0xbf/0x1e0
[ 56.947112][ T3600] report_bug+0x1bd/0x210
[ 56.951448][ T3600] handle_bug+0x3c/0x60
[ 56.955602][ T3600] exc_invalid_op+0x14/0x40
[ 56.960104][ T3600] asm_exc_invalid_op+0x12/0x20
[ 56.964954][ T3600] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 56.971025][ T3600] 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
[ 56.990645][ T3600] RSP: 0018:ffffc90001b1fab0 EFLAGS: 00010286
[ 56.996709][ T3600] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 57.004670][ T3600] RDX: ffff888073960000 RSI: ffffffff815f1e28 RDI: fffff52000363f48
[ 57.012633][ T3600] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 57.020596][ T3600] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000363f5b
[ 57.028565][ T3600] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001b1fd10
[ 57.036535][ T3600] ? wake_up_klogd.part.0+0x8e/0xd0
[ 57.041744][ T3600] ? vprintk+0x88/0x90
[ 57.045815][ T3600] ref_tracker_free+0x4fe/0x610
[ 57.050680][ T3600] ? ref_tracker_dir_exit+0x330/0x330
[ 57.056053][ T3600] ? bpf_sk_storage_free+0x333/0x3e0
[ 57.061337][ T3600] ? lock_downgrade+0x6e0/0x6e0
[ 57.066184][ T3600] ? kfree+0x1e1/0x560
[ 57.070268][ T3600] __sk_destruct+0x4a6/0x920
[ 57.074861][ T3600] sk_destruct+0xbd/0xe0
[ 57.079102][ T3600] __sk_free+0xef/0x3d0
[ 57.083259][ T3600] sk_free+0x78/0xa0
[ 57.087153][ T3600] __mptcp_close_ssk+0x435/0x590
[ 57.092092][ T3600] __mptcp_destroy_sock+0x35f/0x830
[ 57.097292][ T3600] ? __mptcp_close_ssk+0x590/0x590
[ 57.102402][ T3600] ? __local_bh_enable_ip+0xa0/0x120
[ 57.107692][ T3600] mptcp_close+0x5f8/0x7f0
[ 57.112107][ T3600] inet_release+0x12e/0x280
[ 57.116611][ T3600] inet6_release+0x4c/0x70
[ 57.121044][ T3600] __sock_release+0xcd/0x280
[ 57.125637][ T3600] sock_close+0x18/0x20
[ 57.129790][ T3600] __fput+0x286/0x9f0
[ 57.133770][ T3600] ? __sock_release+0x280/0x280
[ 57.138624][ T3600] task_work_run+0xdd/0x1a0
[ 57.143129][ T3600] exit_to_user_mode_prepare+0x27e/0x290
[ 57.148763][ T3600] syscall_exit_to_user_mode+0x19/0x60
[ 57.154224][ T3600] do_syscall_64+0x42/0xb0
[ 57.158641][ T3600] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 57.164530][ T3600] RIP: 0033:0x4b12db
[ 57.168419][ T3600] 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
[ 57.188020][ T3600] RSP: 002b:000000c0000d74f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 57.196427][ T3600] RAX: 0000000000000000 RBX: 000000c00001e000 RCX: 00000000004b12db
[ 57.204391][ T3600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 57.212379][ T3600] RBP: 000000c0000d7530 R08: 0000000000f0ae01 R09: 0000000000000000
[ 57.220347][ T3600] R10: ffffffffffffffff R11: 0000000000000206 R12: 0000000000000007
[ 57.228313][ T3600] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0004643c0
[ 57.236293][ T3600]
[ 57.239714][ T3600] Kernel Offset: disabled
[ 57.244118][ T3600] Rebooting in 86400 seconds..