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
[ 31.991914][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0
[ 32.016414][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.202' (ECDSA) to the list of known hosts.
2021/12/16 23:22:42 fuzzer started
2021/12/16 23:22:43 connecting to host at 10.128.0.169:45359
2021/12/16 23:22:43 checking machine...
2021/12/16 23:22:43 checking revisions...
2021/12/16 23:22:43 testing simple program...
syzkaller login: [ 50.847128][ T3610] cgroup: Unknown subsys name 'net'
[ 50.960628][ T3610] cgroup: Unknown subsys name 'rlimit'
[ 52.264824][ T3612] chnl_net:caif_netlink_parms(): no params data found
[ 52.309093][ T3612] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.316829][ T3612] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.325244][ T3612] device bridge_slave_0 entered promiscuous mode
[ 52.334902][ T3612] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.342269][ T3612] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.350315][ T3612] device bridge_slave_1 entered promiscuous mode
[ 52.370045][ T3612] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 52.381532][ T3612] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 52.444247][ T3612] team0: Port device team_slave_0 added
[ 52.451931][ T3612] team0: Port device team_slave_1 added
[ 52.477043][ T3612] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 52.484295][ T3612] 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.
[ 52.510906][ T3612] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 52.525513][ T3612] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 52.532662][ T3612] 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.
[ 52.558988][ T3612] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 52.595809][ T3612] device hsr_slave_0 entered promiscuous mode
[ 52.602737][ T3612] device hsr_slave_1 entered promiscuous mode
[ 52.686208][ T3612] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 52.698031][ T3612] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 52.707872][ T3612] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 52.717111][ T3612] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 52.738226][ T3612] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.745575][ T3612] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.753539][ T3612] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.760857][ T3612] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.808579][ T3612] 8021q: adding VLAN 0 to HW filter on device bond0
[ 52.820585][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 52.830827][ T20] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.839706][ T20] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.849085][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 52.862428][ T3612] 8021q: adding VLAN 0 to HW filter on device team0
[ 52.874115][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 52.883074][ T3624] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.890420][ T3624] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 52.902844][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 52.911386][ T3624] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.918516][ T3624] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 52.935981][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 52.947584][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 52.956031][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 52.972097][ T3612] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 52.984034][ T3612] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 52.996558][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 53.005644][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 53.014389][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 53.030555][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 53.038305][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 53.050475][ T3612] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 53.068942][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 53.087875][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 53.096791][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 53.105660][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 53.117198][ T3612] device veth0_vlan entered promiscuous mode
[ 53.128143][ T3612] device veth1_vlan entered promiscuous mode
[ 53.147190][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 53.156273][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 53.164968][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 53.176377][ T3612] device veth0_macvtap entered promiscuous mode
[ 53.186310][ T3612] device veth1_macvtap entered promiscuous mode
[ 53.201944][ T3612] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 53.209559][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 53.219974][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 53.234435][ T3612] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 53.244560][ T3612] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.253501][ T3612] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.263105][ T3612] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.272199][ T3612] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.282935][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 53.341836][ T54] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 53.350976][ T54] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 53.373326][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 53.387203][ T54] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 53.395873][ T54] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 53.405014][ T3623] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/16 23:22:45 building call list...
executing program
[ 53.687434][ T49] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 55.601995][ T3603] can: request_module (can-proto-0) failed.
[ 55.625359][ T3603] can: request_module (can-proto-0) failed.
[ 55.646286][ T3603] can: request_module (can-proto-0) failed.
[ 55.845398][ T3603] ------------[ cut here ]------------
[ 55.851209][ T3603] refcount_t: decrement hit 0; leaking memory.
[ 55.858090][ T3603] WARNING: CPU: 0 PID: 3603 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[ 55.867904][ T3603] Modules linked in:
[ 55.871822][ T3603] CPU: 1 PID: 3603 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 55.880425][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.891369][ T3603] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 55.897869][ T3603] 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
[ 55.918800][ T3603] RSP: 0018:ffffc90001f5fab0 EFLAGS: 00010286
[ 55.926092][ T3603] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 55.934632][ T3603] RDX: ffff88801a9c0000 RSI: ffffffff815f1e28 RDI: fffff520003ebf48
[ 55.942792][ T3603] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 55.951017][ T3603] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003ebf5b
[ 55.959147][ T3603] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001f5fd10
[ 55.967274][ T3603] FS: 000000c000030490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 55.976532][ T3603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.983158][ T3603] CR2: 00007fa286f9e5a8 CR3: 00000000745c1000 CR4: 00000000003506e0
[ 55.991459][ T3603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 55.999981][ T3603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.008292][ T3603] Call Trace:
[ 56.011590][ T3603]
[ 56.014749][ T3603] ref_tracker_free+0x4fe/0x610
[ 56.020146][ T3603] ? ref_tracker_dir_exit+0x330/0x330
[ 56.025708][ T3603] ? bpf_sk_storage_free+0x333/0x3e0
[ 56.031009][ T3603] ? lock_downgrade+0x6e0/0x6e0
[ 56.036045][ T3603] ? kfree+0x1e1/0x560
[ 56.040172][ T3603] __sk_destruct+0x4a6/0x920
[ 56.045037][ T3603] sk_destruct+0xbd/0xe0
[ 56.049304][ T3603] __sk_free+0xef/0x3d0
[ 56.053462][ T3603] sk_free+0x78/0xa0
[ 56.057905][ T3603] __mptcp_close_ssk+0x435/0x590
[ 56.062885][ T3603] __mptcp_destroy_sock+0x35f/0x830
[ 56.068429][ T3603] ? __mptcp_close_ssk+0x590/0x590
[ 56.073554][ T3603] ? __local_bh_enable_ip+0xa0/0x120
[ 56.079130][ T3603] mptcp_close+0x5f8/0x7f0
[ 56.083559][ T3603] inet_release+0x12e/0x280
[ 56.088410][ T3603] inet6_release+0x4c/0x70
[ 56.092908][ T3603] __sock_release+0xcd/0x280
[ 56.097735][ T3603] sock_close+0x18/0x20
[ 56.101883][ T3603] __fput+0x286/0x9f0
[ 56.106091][ T3603] ? __sock_release+0x280/0x280
[ 56.111039][ T3603] task_work_run+0xdd/0x1a0
[ 56.115798][ T3603] exit_to_user_mode_prepare+0x27e/0x290
[ 56.121519][ T3603] syscall_exit_to_user_mode+0x19/0x60
[ 56.127116][ T3603] do_syscall_64+0x42/0xb0
[ 56.131564][ T3603] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.137738][ T3603] RIP: 0033:0x4b12db
[ 56.141691][ T3603] 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
[ 56.161654][ T3603] RSP: 002b:000000c0005694f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 56.170178][ T3603] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[ 56.178191][ T3603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 56.186202][ T3603] RBP: 000000c000569530 R08: 0000000000f0ae01 R09: 00007ffd79919080
[ 56.195103][ T3603] R10: 00007ffd79919090 R11: 0000000000000206 R12: 0000000000000081
[ 56.203084][ T3603] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000514000
[ 56.211126][ T3603]
[ 56.214343][ T3603] Kernel panic - not syncing: panic_on_warn set ...
[ 56.220910][ T3603] CPU: 0 PID: 3603 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 56.229223][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.239469][ T3603] Call Trace:
[ 56.242733][ T3603]
[ 56.245649][ T3603] dump_stack_lvl+0xcd/0x134
[ 56.250275][ T3603] panic+0x2b0/0x6dd
[ 56.254156][ T3603] ? __warn_printk+0xf3/0xf3
[ 56.258804][ T3603] ? __warn.cold+0x1a/0x44
[ 56.263208][ T3603] ? refcount_warn_saturate+0xbf/0x1e0
[ 56.268656][ T3603] __warn.cold+0x35/0x44
[ 56.273005][ T3603] ? wake_up_klogd.part.0+0x8e/0xd0
[ 56.278193][ T3603] ? refcount_warn_saturate+0xbf/0x1e0
[ 56.283667][ T3603] report_bug+0x1bd/0x210
[ 56.287994][ T3603] handle_bug+0x3c/0x60
[ 56.292137][ T3603] exc_invalid_op+0x14/0x40
[ 56.296627][ T3603] asm_exc_invalid_op+0x12/0x20
[ 56.301463][ T3603] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 56.307519][ T3603] 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
[ 56.327370][ T3603] RSP: 0018:ffffc90001f5fab0 EFLAGS: 00010286
[ 56.333420][ T3603] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 56.341717][ T3603] RDX: ffff88801a9c0000 RSI: ffffffff815f1e28 RDI: fffff520003ebf48
[ 56.349673][ T3603] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 56.357624][ T3603] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003ebf5b
[ 56.365576][ T3603] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001f5fd10
[ 56.373532][ T3603] ? wake_up_klogd.part.0+0x8e/0xd0
[ 56.378719][ T3603] ? vprintk+0x88/0x90
[ 56.382771][ T3603] ref_tracker_free+0x4fe/0x610
[ 56.387609][ T3603] ? ref_tracker_dir_exit+0x330/0x330
[ 56.393056][ T3603] ? bpf_sk_storage_free+0x333/0x3e0
[ 56.398325][ T3603] ? lock_downgrade+0x6e0/0x6e0
[ 56.403175][ T3603] ? kfree+0x1e1/0x560
[ 56.407238][ T3603] __sk_destruct+0x4a6/0x920
[ 56.411904][ T3603] sk_destruct+0xbd/0xe0
[ 56.416396][ T3603] __sk_free+0xef/0x3d0
[ 56.420640][ T3603] sk_free+0x78/0xa0
[ 56.424520][ T3603] __mptcp_close_ssk+0x435/0x590
[ 56.429444][ T3603] __mptcp_destroy_sock+0x35f/0x830
[ 56.434627][ T3603] ? __mptcp_close_ssk+0x590/0x590
[ 56.439730][ T3603] ? __local_bh_enable_ip+0xa0/0x120
[ 56.445006][ T3603] mptcp_close+0x5f8/0x7f0
[ 56.449584][ T3603] inet_release+0x12e/0x280
[ 56.454073][ T3603] inet6_release+0x4c/0x70
[ 56.458476][ T3603] __sock_release+0xcd/0x280
[ 56.463055][ T3603] sock_close+0x18/0x20
[ 56.467195][ T3603] __fput+0x286/0x9f0
[ 56.471160][ T3603] ? __sock_release+0x280/0x280
[ 56.476000][ T3603] task_work_run+0xdd/0x1a0
[ 56.480490][ T3603] exit_to_user_mode_prepare+0x27e/0x290
[ 56.486111][ T3603] syscall_exit_to_user_mode+0x19/0x60
[ 56.491566][ T3603] do_syscall_64+0x42/0xb0
[ 56.496434][ T3603] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.502312][ T3603] RIP: 0033:0x4b12db
[ 56.506187][ T3603] 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
[ 56.526732][ T3603] RSP: 002b:000000c0005694f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 56.535242][ T3603] RAX: 0000000000000000 RBX: 000000c000020800 RCX: 00000000004b12db
[ 56.543229][ T3603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 56.551194][ T3603] RBP: 000000c000569530 R08: 0000000000f0ae01 R09: 00007ffd79919080
[ 56.559157][ T3603] R10: 00007ffd79919090 R11: 0000000000000206 R12: 0000000000000081
[ 56.567122][ T3603] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000514000
[ 56.575091][ T3603]
[ 56.578473][ T3603] Kernel Offset: disabled
[ 56.582877][ T3603] Rebooting in 86400 seconds..