Warning: Permanently added '10.128.0.75' (ECDSA) to the list of known hosts.
2021/12/15 17:25:52 fuzzer started
2021/12/15 17:25:52 connecting to host at 10.128.0.169:41525
2021/12/15 17:25:52 checking machine...
2021/12/15 17:25:52 checking revisions...
2021/12/15 17:25:52 testing simple program...
syzkaller login: [   51.710512][ T3603] cgroup: Unknown subsys name 'net'
[   51.823962][ T3603] cgroup: Unknown subsys name 'rlimit'
[   53.100865][ T3605] chnl_net:caif_netlink_parms(): no params data found
[   53.143730][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.151331][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.159523][ T3605] device bridge_slave_0 entered promiscuous mode
[   53.168605][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.175700][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.183579][ T3605] device bridge_slave_1 entered promiscuous mode
[   53.204178][ T3605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.215035][ T3605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.238989][ T3605] team0: Port device team_slave_0 added
[   53.246174][ T3605] team0: Port device team_slave_1 added
[   53.263349][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.270478][ T3605] 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.
[   53.296509][ T3605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   53.309069][ T3605] batman_adv: batadv0: Adding interface: batadv_slave_1
[   53.316104][ T3605] 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.
[   53.342067][ T3605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   53.368116][ T3605] device hsr_slave_0 entered promiscuous mode
[   53.375253][ T3605] device hsr_slave_1 entered promiscuous mode
[   53.453278][ T3605] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   53.463593][ T3605] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   53.473438][ T3605] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   53.482684][ T3605] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   53.502950][ T3605] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.510132][ T3605] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.518003][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.525058][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.570880][ T3605] 8021q: adding VLAN 0 to HW filter on device bond0
[   53.583590][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   53.594120][    T7] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.602647][    T7] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.611742][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   53.625259][ T3605] 8021q: adding VLAN 0 to HW filter on device team0
[   53.636232][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   53.645145][ T2987] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.652268][ T2987] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.670159][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   53.679394][ T2987] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.686438][ T2987] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.706401][ T3605] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   53.717483][ T3605] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   53.734460][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   53.743146][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   53.752073][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   53.760842][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   53.769201][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   53.776834][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   53.796599][ T3605] 8021q: adding VLAN 0 to HW filter on device batadv0
[   53.804640][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   53.812835][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   53.832726][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   53.851653][ T3605] device veth0_vlan entered promiscuous mode
[   53.858960][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   53.868414][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   53.876049][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   53.889600][ T3605] device veth1_vlan entered promiscuous mode
[   53.910339][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   53.918829][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   53.926873][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   53.937655][ T3605] device veth0_macvtap entered promiscuous mode
[   53.946259][ T3605] device veth1_macvtap entered promiscuous mode
[   53.962969][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_0
[   53.971162][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   53.981573][ T3618] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   53.993104][ T3605] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.001506][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   54.012827][ T3605] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.022434][ T3605] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.031357][ T3605] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.040215][ T3605] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.102300][   T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.119190][   T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.134041][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   54.138616][ T1094] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.149559][ T1094] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   54.158696][   T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/15 17:25:55 building call list...
executing program
[   56.304553][ T3597] can: request_module (can-proto-0) failed.
[   56.328290][ T3597] can: request_module (can-proto-0) failed.
[   56.348945][ T3597] can: request_module (can-proto-0) failed.
[   56.546658][ T3597] ------------[ cut here ]------------
[   56.552274][ T3597] refcount_t: decrement hit 0; leaking memory.
[   56.559434][ T3597] WARNING: CPU: 0 PID: 3597 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[   56.568918][ T3597] Modules linked in:
[   56.572908][ T3597] CPU: 0 PID: 3597 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.581856][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.593278][ T3597] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   56.599730][ T3597] 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
[   56.619547][ T3597] RSP: 0018:ffffc90001aafab0 EFLAGS: 00010286
[   56.625639][ T3597] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   56.635040][ T3597] RDX: ffff8880182cd700 RSI: ffffffff815f1e28 RDI: fffff52000355f48
[   56.643136][ T3597] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   56.651327][ T3597] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000355f5b
[   56.659396][ T3597] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001aafd10
[   56.667400][ T3597] FS:  000000c00002e890(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   56.676321][ T3597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.683046][ T3597] CR2: 00007f4784187300 CR3: 0000000070788000 CR4: 00000000003506f0
[   56.691178][ T3597] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.699470][ T3597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.708370][ T3597] Call Trace:
[   56.711642][ T3597]  <TASK>
[   56.714558][ T3597]  ref_tracker_free+0x4fe/0x610
[   56.719740][ T3597]  ? ref_tracker_dir_exit+0x330/0x330
[   56.725113][ T3597]  ? bpf_sk_storage_free+0x333/0x3e0
[   56.731351][ T3597]  ? lock_downgrade+0x6e0/0x6e0
[   56.736309][ T3597]  ? kfree+0x1e1/0x560
[   56.740857][ T3597]  __sk_destruct+0x4a6/0x920
[   56.745472][ T3597]  sk_destruct+0xbd/0xe0
[   56.749827][ T3597]  __sk_free+0xef/0x3d0
[   56.754043][ T3597]  sk_free+0x78/0xa0
[   56.758054][ T3597]  __mptcp_close_ssk+0x435/0x590
[   56.763005][ T3597]  __mptcp_destroy_sock+0x35f/0x830
[   56.768376][ T3597]  ? __mptcp_close_ssk+0x590/0x590
[   56.773509][ T3597]  ? __local_bh_enable_ip+0xa0/0x120
[   56.778868][ T3597]  mptcp_close+0x5f8/0x7f0
[   56.783304][ T3597]  inet_release+0x12e/0x280
[   56.787891][ T3597]  inet6_release+0x4c/0x70
[   56.792325][ T3597]  __sock_release+0xcd/0x280
[   56.797155][ T3597]  sock_close+0x18/0x20
[   56.801325][ T3597]  __fput+0x286/0x9f0
[   56.805295][ T3597]  ? __sock_release+0x280/0x280
[   56.810599][ T3597]  task_work_run+0xdd/0x1a0
[   56.815132][ T3597]  exit_to_user_mode_prepare+0x27e/0x290
[   56.821790][ T3597]  syscall_exit_to_user_mode+0x19/0x60
[   56.827428][ T3597]  do_syscall_64+0x42/0xb0
[   56.831853][ T3597]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   56.838461][ T3597] RIP: 0033:0x4b12db
[   56.842385][ 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
[   56.862643][ T3597] RSP: 002b:000000c0003474f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   56.871418][ T3597] RAX: 0000000000000000 RBX: 000000c00001e800 RCX: 00000000004b12db
[   56.879805][ T3597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   56.888152][ T3597] RBP: 000000c000347530 R08: 0000000000f0ae01 R09: 0000000000000000
[   56.896205][ T3597] R10: ffffffffffffffff R11: 0000000000000206 R12: 0000000000000080
[   56.904482][ T3597] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012500
[   56.912659][ T3597]  </TASK>
[   56.915673][ T3597] Kernel panic - not syncing: panic_on_warn set ...
[   56.922244][ T3597] CPU: 1 PID: 3597 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[   56.930557][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.940607][ T3597] Call Trace:
[   56.943878][ T3597]  <TASK>
[   56.946795][ T3597]  dump_stack_lvl+0xcd/0x134
[   56.951377][ T3597]  panic+0x2b0/0x6dd
[   56.955264][ T3597]  ? __warn_printk+0xf3/0xf3
[   56.959846][ T3597]  ? __warn.cold+0x1a/0x44
[   56.964337][ T3597]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.969797][ T3597]  __warn.cold+0x35/0x44
[   56.974039][ T3597]  ? wake_up_klogd.part.0+0x8e/0xd0
[   56.979232][ T3597]  ? refcount_warn_saturate+0xbf/0x1e0
[   56.984700][ T3597]  report_bug+0x1bd/0x210
[   56.989037][ T3597]  handle_bug+0x3c/0x60
[   56.993192][ T3597]  exc_invalid_op+0x14/0x40
[   56.997694][ T3597]  asm_exc_invalid_op+0x12/0x20
[   57.002543][ T3597] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[   57.008613][ T3597] 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
[   57.028214][ T3597] RSP: 0018:ffffc90001aafab0 EFLAGS: 00010286
[   57.034277][ T3597] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   57.042242][ T3597] RDX: ffff8880182cd700 RSI: ffffffff815f1e28 RDI: fffff52000355f48
[   57.050205][ T3597] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[   57.058167][ T3597] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff92000355f5b
[   57.066132][ T3597] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001aafd10
[   57.074106][ T3597]  ? wake_up_klogd.part.0+0x8e/0xd0
[   57.079312][ T3597]  ? vprintk+0x88/0x90
[   57.083385][ T3597]  ref_tracker_free+0x4fe/0x610
[   57.088235][ T3597]  ? ref_tracker_dir_exit+0x330/0x330
[   57.093605][ T3597]  ? bpf_sk_storage_free+0x333/0x3e0
[   57.098889][ T3597]  ? lock_downgrade+0x6e0/0x6e0
[   57.103738][ T3597]  ? kfree+0x1e1/0x560
[   57.107823][ T3597]  __sk_destruct+0x4a6/0x920
[   57.112428][ T3597]  sk_destruct+0xbd/0xe0
[   57.116668][ T3597]  __sk_free+0xef/0x3d0
[   57.120824][ T3597]  sk_free+0x78/0xa0
[   57.124724][ T3597]  __mptcp_close_ssk+0x435/0x590
[   57.129664][ T3597]  __mptcp_destroy_sock+0x35f/0x830
[   57.134866][ T3597]  ? __mptcp_close_ssk+0x590/0x590
[   57.139976][ T3597]  ? __local_bh_enable_ip+0xa0/0x120
[   57.145288][ T3597]  mptcp_close+0x5f8/0x7f0
[   57.149705][ T3597]  inet_release+0x12e/0x280
[   57.154210][ T3597]  inet6_release+0x4c/0x70
[   57.158634][ T3597]  __sock_release+0xcd/0x280
[   57.163223][ T3597]  sock_close+0x18/0x20
[   57.167378][ T3597]  __fput+0x286/0x9f0
[   57.171442][ T3597]  ? __sock_release+0x280/0x280
[   57.176295][ T3597]  task_work_run+0xdd/0x1a0
[   57.180799][ T3597]  exit_to_user_mode_prepare+0x27e/0x290
[   57.186435][ T3597]  syscall_exit_to_user_mode+0x19/0x60
[   57.191894][ T3597]  do_syscall_64+0x42/0xb0
[   57.196308][ T3597]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.202199][ T3597] RIP: 0033:0x4b12db
[   57.206087][ 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
[   57.225689][ T3597] RSP: 002b:000000c0003474f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[   57.234098][ T3597] RAX: 0000000000000000 RBX: 000000c00001e800 RCX: 00000000004b12db
[   57.242060][ T3597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[   57.250023][ T3597] RBP: 000000c000347530 R08: 0000000000f0ae01 R09: 0000000000000000
[   57.258074][ T3597] R10: ffffffffffffffff R11: 0000000000000206 R12: 0000000000000080
[   57.266217][ T3597] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012500
[   57.274197][ T3597]  </TASK>
[   57.277626][ T3597] Kernel Offset: disabled
[   57.282032][ T3597] Rebooting in 86400 seconds..