DUID 00:04:1e:62:2e:d3:28:4c:47:2c:f6:06:4a:96:1e:52:1a:b0
forked to background, child pid 3181
[ 30.867616][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0
[ 30.878487][ T3182] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts.
2021/12/15 17:25:50 fuzzer started
2021/12/15 17:25:50 connecting to host at 10.128.0.169:34687
2021/12/15 17:25:50 checking machine...
2021/12/15 17:25:50 checking revisions...
2021/12/15 17:25:50 testing simple program...
syzkaller login: [ 49.933446][ T3608] cgroup: Unknown subsys name 'net'
[ 50.033674][ T3608] cgroup: Unknown subsys name 'rlimit'
[ 51.381467][ T3611] chnl_net:caif_netlink_parms(): no params data found
[ 51.426140][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.433682][ T3611] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.441979][ T3611] device bridge_slave_0 entered promiscuous mode
[ 51.452604][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.460014][ T3611] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.467775][ T3611] device bridge_slave_1 entered promiscuous mode
[ 51.489082][ T3611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 51.500454][ T3611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 51.523654][ T3611] team0: Port device team_slave_0 added
[ 51.531450][ T3611] team0: Port device team_slave_1 added
[ 51.548529][ T3611] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 51.555469][ T3611] 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.
[ 51.581584][ T3611] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 51.594224][ T3611] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 51.601436][ T3611] 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.
[ 51.627593][ T3611] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 51.654290][ T3611] device hsr_slave_0 entered promiscuous mode
[ 51.661006][ T3611] device hsr_slave_1 entered promiscuous mode
[ 51.740019][ T3611] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 51.750450][ T3611] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 51.760600][ T3611] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 51.770405][ T3611] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 51.791288][ T3611] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.798691][ T3611] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.806566][ T3611] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.813670][ T3611] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 51.859580][ T3611] 8021q: adding VLAN 0 to HW filter on device bond0
[ 51.871801][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 51.882986][ T7] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.891877][ T7] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.901380][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 51.914495][ T3611] 8021q: adding VLAN 0 to HW filter on device team0
[ 51.926047][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 51.934652][ T1134] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.941909][ T1134] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 51.954171][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 51.963348][ T7] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.970428][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.988350][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 51.997706][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 52.010694][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 52.025068][ T3611] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 52.035823][ T3611] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 52.049386][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 52.058427][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 52.067087][ T1134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 52.085664][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 52.093313][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 52.105071][ T3611] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 52.122599][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 52.140723][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 52.149352][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 52.157275][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 52.166441][ T3611] device veth0_vlan entered promiscuous mode
[ 52.180031][ T3611] device veth1_vlan entered promiscuous mode
[ 52.197310][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 52.205242][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 52.213716][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 52.224360][ T3611] device veth0_macvtap entered promiscuous mode
[ 52.234069][ T3611] device veth1_macvtap entered promiscuous mode
[ 52.249383][ T3611] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 52.256991][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 52.265908][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 52.280659][ T3611] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 52.288817][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 52.300105][ T3611] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.309378][ T3611] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.318424][ T3611] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.327794][ T3611] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.391249][ T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 52.411464][ T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 52.419418][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 52.421957][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 52.429111][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 52.444080][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/15 17:25:53 building call list...
[ 52.698219][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 54.621177][ T3604] can: request_module (can-proto-0) failed.
[ 54.643245][ T3604] can: request_module (can-proto-0) failed.
[ 54.664208][ T3604] can: request_module (can-proto-0) failed.
[ 54.859611][ T3604] ------------[ cut here ]------------
[ 54.865421][ T3604] refcount_t: decrement hit 0; leaking memory.
[ 54.872501][ T3604] WARNING: CPU: 0 PID: 3604 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[ 54.882259][ T3604] Modules linked in:
[ 54.886173][ T3604] CPU: 1 PID: 3604 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 54.895204][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.906105][ T3604] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 54.913908][ T3604] 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
[ 54.933923][ T3604] RSP: 0018:ffffc9000287fab0 EFLAGS: 00010286
[ 54.940266][ T3604] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 54.948384][ T3604] RDX: ffff888021ca1d00 RSI: ffffffff815f1e28 RDI: fffff5200050ff48
[ 54.956491][ T3604] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 54.964827][ T3604] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200050ff5b
[ 54.973153][ T3604] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc9000287fd10
[ 54.981230][ T3604] FS: 000000c0001d2c90(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 54.990228][ T3604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.996864][ T3604] CR2: 00007f95ff811300 CR3: 000000001a428000 CR4: 00000000003506e0
[ 55.004936][ T3604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 55.013010][ T3604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 55.021262][ T3604] Call Trace:
[ 55.024552][ T3604]
[ 55.027552][ T3604] ref_tracker_free+0x4fe/0x610
[ 55.032430][ T3604] ? ref_tracker_dir_exit+0x330/0x330
[ 55.037976][ T3604] ? bpf_sk_storage_free+0x333/0x3e0
[ 55.043282][ T3604] ? lock_downgrade+0x6e0/0x6e0
[ 55.048204][ T3604] ? kfree+0x1e1/0x560
[ 55.052293][ T3604] __sk_destruct+0x4a6/0x920
[ 55.056931][ T3604] sk_destruct+0xbd/0xe0
[ 55.061635][ T3604] __sk_free+0xef/0x3d0
[ 55.065905][ T3604] sk_free+0x78/0xa0
[ 55.069895][ T3604] __mptcp_close_ssk+0x435/0x590
[ 55.074849][ T3604] __mptcp_destroy_sock+0x35f/0x830
[ 55.080122][ T3604] ? __mptcp_close_ssk+0x590/0x590
[ 55.085504][ T3604] ? __local_bh_enable_ip+0xa0/0x120
[ 55.091029][ T3604] mptcp_close+0x5f8/0x7f0
[ 55.095466][ T3604] inet_release+0x12e/0x280
[ 55.100036][ T3604] inet6_release+0x4c/0x70
[ 55.104551][ T3604] __sock_release+0xcd/0x280
[ 55.109419][ T3604] sock_close+0x18/0x20
[ 55.113588][ T3604] __fput+0x286/0x9f0
[ 55.117628][ T3604] ? __sock_release+0x280/0x280
[ 55.122502][ T3604] task_work_run+0xdd/0x1a0
[ 55.127278][ T3604] exit_to_user_mode_prepare+0x27e/0x290
[ 55.133017][ T3604] syscall_exit_to_user_mode+0x19/0x60
[ 55.138615][ T3604] do_syscall_64+0x42/0xb0
[ 55.143049][ T3604] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 55.149031][ T3604] RIP: 0033:0x4b12db
[ 55.152926][ T3604] 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
[ 55.173083][ T3604] RSP: 002b:000000c0002d74f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 55.181583][ T3604] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[ 55.189634][ T3604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 55.197776][ T3604] RBP: 000000c0002d7530 R08: 0000000000f0ae01 R09: 0000000000000000
[ 55.205759][ T3604] R10: ffffffffffffffff R11: 0000000000000206 R12: 000000000000000d
[ 55.213811][ T3604] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00053a000
[ 55.221855][ T3604]
[ 55.224964][ T3604] Kernel panic - not syncing: panic_on_warn set ...
[ 55.231528][ T3604] CPU: 1 PID: 3604 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 55.239839][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.249891][ T3604] Call Trace:
[ 55.253156][ T3604]
[ 55.256083][ T3604] dump_stack_lvl+0xcd/0x134
[ 55.260761][ T3604] panic+0x2b0/0x6dd
[ 55.264814][ T3604] ? __warn_printk+0xf3/0xf3
[ 55.269398][ T3604] ? __warn.cold+0x1a/0x44
[ 55.273806][ T3604] ? refcount_warn_saturate+0xbf/0x1e0
[ 55.279263][ T3604] __warn.cold+0x35/0x44
[ 55.283491][ T3604] ? wake_up_klogd.part.0+0x8e/0xd0
[ 55.288680][ T3604] ? refcount_warn_saturate+0xbf/0x1e0
[ 55.294214][ T3604] report_bug+0x1bd/0x210
[ 55.298537][ T3604] handle_bug+0x3c/0x60
[ 55.302677][ T3604] exc_invalid_op+0x14/0x40
[ 55.307166][ T3604] asm_exc_invalid_op+0x12/0x20
[ 55.312001][ T3604] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 55.318065][ T3604] 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
[ 55.337665][ T3604] RSP: 0018:ffffc9000287fab0 EFLAGS: 00010286
[ 55.343712][ T3604] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 55.351668][ T3604] RDX: ffff888021ca1d00 RSI: ffffffff815f1e28 RDI: fffff5200050ff48
[ 55.359635][ T3604] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 55.367601][ T3604] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff9200050ff5b
[ 55.375556][ T3604] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc9000287fd10
[ 55.383518][ T3604] ? wake_up_klogd.part.0+0x8e/0xd0
[ 55.388712][ T3604] ? vprintk+0x88/0x90
[ 55.392802][ T3604] ref_tracker_free+0x4fe/0x610
[ 55.397648][ T3604] ? ref_tracker_dir_exit+0x330/0x330
[ 55.403002][ T3604] ? bpf_sk_storage_free+0x333/0x3e0
[ 55.408272][ T3604] ? lock_downgrade+0x6e0/0x6e0
[ 55.413113][ T3604] ? kfree+0x1e1/0x560
[ 55.417177][ T3604] __sk_destruct+0x4a6/0x920
[ 55.421755][ T3604] sk_destruct+0xbd/0xe0
[ 55.425982][ T3604] __sk_free+0xef/0x3d0
[ 55.430126][ T3604] sk_free+0x78/0xa0
[ 55.434007][ T3604] __mptcp_close_ssk+0x435/0x590
[ 55.439195][ T3604] __mptcp_destroy_sock+0x35f/0x830
[ 55.444482][ T3604] ? __mptcp_close_ssk+0x590/0x590
[ 55.449576][ T3604] ? __local_bh_enable_ip+0xa0/0x120
[ 55.455038][ T3604] mptcp_close+0x5f8/0x7f0
[ 55.459530][ T3604] inet_release+0x12e/0x280
[ 55.464023][ T3604] inet6_release+0x4c/0x70
[ 55.468432][ T3604] __sock_release+0xcd/0x280
[ 55.473034][ T3604] sock_close+0x18/0x20
[ 55.477196][ T3604] __fput+0x286/0x9f0
[ 55.481168][ T3604] ? __sock_release+0x280/0x280
[ 55.486017][ T3604] task_work_run+0xdd/0x1a0
[ 55.490532][ T3604] exit_to_user_mode_prepare+0x27e/0x290
[ 55.496270][ T3604] syscall_exit_to_user_mode+0x19/0x60
[ 55.501738][ T3604] do_syscall_64+0x42/0xb0
[ 55.506157][ T3604] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 55.512047][ T3604] RIP: 0033:0x4b12db
[ 55.515951][ T3604] 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
[ 55.535544][ T3604] RSP: 002b:000000c0002d74f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 55.543943][ T3604] RAX: 0000000000000000 RBX: 000000c00001c000 RCX: 00000000004b12db
[ 55.551895][ T3604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 55.559853][ T3604] RBP: 000000c0002d7530 R08: 0000000000f0ae01 R09: 0000000000000000
[ 55.567810][ T3604] R10: ffffffffffffffff R11: 0000000000000206 R12: 000000000000000d
[ 55.575762][ T3604] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c00053a000
[ 55.583733][ T3604]
[ 55.587177][ T3604] Kernel Offset: disabled
[ 55.591599][ T3604] Rebooting in 86400 seconds..