DUID 00:04:bf:e1:a4:b2:b1:2b:3d:59:87:c9:47:74:aa:d6:f6:6a
forked to background, child pid 3182
[ 29.706707][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0
[ 29.727831][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.255' (ECDSA) to the list of known hosts.
2021/12/15 03:10:58 fuzzer started
2021/12/15 03:10:58 connecting to host at 10.128.0.169:36409
2021/12/15 03:10:58 checking machine...
2021/12/15 03:10:58 checking revisions...
2021/12/15 03:10:58 testing simple program...
syzkaller login: [ 51.394813][ T3603] cgroup: Unknown subsys name 'net'
[ 51.528352][ T3603] cgroup: Unknown subsys name 'rlimit'
[ 52.831265][ T3606] chnl_net:caif_netlink_parms(): no params data found
[ 52.874583][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[ 52.882295][ T3606] bridge0: port 1(bridge_slave_0) entered disabled state
[ 52.890203][ T3606] device bridge_slave_0 entered promiscuous mode
[ 52.899316][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[ 52.906488][ T3606] bridge0: port 2(bridge_slave_1) entered disabled state
[ 52.915041][ T3606] device bridge_slave_1 entered promiscuous mode
[ 52.935257][ T3606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 52.946276][ T3606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 52.968889][ T3606] team0: Port device team_slave_0 added
[ 52.976976][ T3606] team0: Port device team_slave_1 added
[ 52.994869][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 53.001913][ 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.
[ 53.027945][ T3606] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 53.040424][ T3606] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 53.047432][ 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.
[ 53.073621][ T3606] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 53.099702][ T3606] device hsr_slave_0 entered promiscuous mode
[ 53.106396][ T3606] device hsr_slave_1 entered promiscuous mode
[ 53.183597][ T3606] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 53.194387][ T3606] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 53.203175][ T3606] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 53.211817][ T3606] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 53.231731][ T3606] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.239006][ T3606] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 53.246530][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.253607][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 53.295306][ T3606] 8021q: adding VLAN 0 to HW filter on device bond0
[ 53.307143][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 53.318025][ T3604] bridge0: port 1(bridge_slave_0) entered disabled state
[ 53.326817][ T3604] bridge0: port 2(bridge_slave_1) entered disabled state
[ 53.335727][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 53.349568][ T3606] 8021q: adding VLAN 0 to HW filter on device team0
[ 53.360232][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 53.368810][ T1024] bridge0: port 1(bridge_slave_0) entered blocking state
[ 53.375943][ T1024] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 53.386615][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 53.395670][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state
[ 53.402737][ T3604] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 53.428098][ T3606] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 53.438754][ T3606] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 53.451859][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 53.460419][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 53.469244][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 53.478307][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 53.486658][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 53.494235][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 53.514321][ T3606] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 53.522005][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 53.529434][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 53.553784][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 53.566298][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 53.575638][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 53.583548][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 53.594073][ T3606] device veth0_vlan entered promiscuous mode
[ 53.605049][ T3606] device veth1_vlan entered promiscuous mode
[ 53.624797][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 53.633117][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 53.641090][ T1024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 53.651211][ T3606] device veth0_macvtap entered promiscuous mode
[ 53.660371][ T3606] device veth1_macvtap entered promiscuous mode
[ 53.675622][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 53.684905][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 53.694410][ T1136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 53.705199][ T3606] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 53.713478][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 53.724702][ T3606] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.734502][ T3606] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.744699][ T3606] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.754531][ T3606] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 53.810999][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 53.821060][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 53.835917][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 53.850914][ T45] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 53.859042][ T45] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 53.869576][ T3615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/15 03:11:01 building call list...
[ 54.129213][ T45] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 56.028599][ T3599] can: request_module (can-proto-0) failed.
[ 56.049849][ T3599] can: request_module (can-proto-0) failed.
[ 56.070791][ T3599] can: request_module (can-proto-0) failed.
[ 56.265551][ T3599] ------------[ cut here ]------------
[ 56.271824][ T3599] refcount_t: decrement hit 0; leaking memory.
[ 56.278224][ T3599] WARNING: CPU: 0 PID: 3599 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[ 56.288350][ T3599] Modules linked in:
[ 56.292506][ T3599] CPU: 1 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 56.300842][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.312279][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 56.318382][ T3599] Code: 1d d1 9f a1 09 31 ff 89 de e8 cd 42 9c fd 84 db 75 e0 e8 e4 3e 9c fd 48 c7 c7 60 fa 04 8a c6 05 b1 9f a1 09 01 e8 ac 44 27 05 <0f> 0b eb c4 e8 c8 3e 9c fd 0f b6 1d a0 9f a1 09 31 ff 89 de e8 98
[ 56.338411][ T3599] RSP: 0018:ffffc90002a7fab0 EFLAGS: 00010286
[ 56.344648][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 56.353413][ T3599] RDX: ffff88807f059d00 RSI: ffffffff815f1db8 RDI: fffff5200054ff48
[ 56.361509][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 56.369485][ T3599] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff9200054ff5b
[ 56.377875][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90002a7fd10
[ 56.386470][ T3599] FS: 000000c000294090(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 56.395686][ T3599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.402483][ T3599] CR2: 00007fc043b0e300 CR3: 000000001e49a000 CR4: 00000000003506f0
[ 56.402523][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.402538][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.402554][ T3599] Call Trace:
[ 56.402562][ T3599]
[ 56.402574][ T3599] ref_tracker_free+0x4fe/0x610
[ 56.402606][ T3599] ? ref_tracker_dir_exit+0x330/0x330
[ 56.402631][ T3599] ? bpf_sk_storage_free+0x333/0x3e0
[ 56.449597][ T3599] ? lock_downgrade+0x6e0/0x6e0
[ 56.454519][ T3599] ? kfree+0x1e1/0x560
[ 56.458615][ T3599] __sk_destruct+0x4a6/0x920
[ 56.463248][ T3599] sk_destruct+0xbd/0xe0
[ 56.467504][ T3599] __sk_free+0xef/0x3d0
[ 56.471734][ T3599] sk_free+0x78/0xa0
[ 56.475640][ T3599] __mptcp_close_ssk+0x435/0x590
[ 56.480569][ T3599] __mptcp_destroy_sock+0x35f/0x830
[ 56.485805][ T3599] ? __mptcp_close_ssk+0x590/0x590
[ 56.490924][ T3599] ? __local_bh_enable_ip+0xa0/0x120
[ 56.496286][ T3599] mptcp_close+0x5f8/0x7f0
[ 56.500709][ T3599] inet_release+0x12e/0x280
[ 56.505350][ T3599] inet6_release+0x4c/0x70
[ 56.509789][ T3599] __sock_release+0xcd/0x280
[ 56.514470][ T3599] sock_close+0x18/0x20
[ 56.518637][ T3599] __fput+0x286/0x9f0
[ 56.522720][ T3599] ? __sock_release+0x280/0x280
[ 56.527585][ T3599] task_work_run+0xdd/0x1a0
[ 56.532153][ T3599] exit_to_user_mode_prepare+0x27e/0x290
[ 56.538013][ T3599] syscall_exit_to_user_mode+0x19/0x60
[ 56.543533][ T3599] do_syscall_64+0x42/0xb0
[ 56.548048][ T3599] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.554125][ T3599] RIP: 0033:0x4b12db
[ 56.558027][ T3599] 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
[ 56.577727][ T3599] RSP: 002b:000000c0003894f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 56.586299][ T3599] RAX: 0000000000000000 RBX: 000000c00001e000 RCX: 00000000004b12db
[ 56.594362][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 56.602388][ T3599] RBP: 000000c000389530 R08: 0000000000f0ae01 R09: 00007fff0e165080
[ 56.610796][ T3599] R10: 00007fff0e165090 R11: 0000000000000206 R12: 000000000000000b
[ 56.618827][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012500
[ 56.626862][ T3599]
[ 56.629871][ T3599] Kernel panic - not syncing: panic_on_warn set ...
[ 56.636434][ T3599] CPU: 1 PID: 3599 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 56.644741][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.654775][ T3599] Call Trace:
[ 56.658036][ T3599]
[ 56.660950][ T3599] dump_stack_lvl+0xcd/0x134
[ 56.665529][ T3599] panic+0x2b0/0x6dd
[ 56.669411][ T3599] ? __warn_printk+0xf3/0xf3
[ 56.673988][ T3599] ? __warn.cold+0x1a/0x44
[ 56.678392][ T3599] ? refcount_warn_saturate+0xbf/0x1e0
[ 56.683838][ T3599] __warn.cold+0x35/0x44
[ 56.688062][ T3599] ? wake_up_klogd.part.0+0x8e/0xd0
[ 56.693244][ T3599] ? refcount_warn_saturate+0xbf/0x1e0
[ 56.698686][ T3599] report_bug+0x1bd/0x210
[ 56.703018][ T3599] handle_bug+0x3c/0x60
[ 56.707161][ T3599] exc_invalid_op+0x14/0x40
[ 56.711650][ T3599] asm_exc_invalid_op+0x12/0x20
[ 56.716483][ T3599] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 56.722536][ T3599] Code: 1d d1 9f a1 09 31 ff 89 de e8 cd 42 9c fd 84 db 75 e0 e8 e4 3e 9c fd 48 c7 c7 60 fa 04 8a c6 05 b1 9f a1 09 01 e8 ac 44 27 05 <0f> 0b eb c4 e8 c8 3e 9c fd 0f b6 1d a0 9f a1 09 31 ff 89 de e8 98
[ 56.742139][ T3599] RSP: 0018:ffffc90002a7fab0 EFLAGS: 00010286
[ 56.748192][ T3599] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 56.756146][ T3599] RDX: ffff88807f059d00 RSI: ffffffff815f1db8 RDI: fffff5200054ff48
[ 56.764100][ T3599] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 56.772061][ T3599] R10: ffffffff815ebb5e R11: 0000000000000000 R12: 1ffff9200054ff5b
[ 56.780021][ T3599] R13: 00000000ffffffef R14: ffffffff8d2fcb14 R15: ffffc90002a7fd10
[ 56.787979][ T3599] ? wake_up_klogd.part.0+0x8e/0xd0
[ 56.793168][ T3599] ? vprintk+0x88/0x90
[ 56.797241][ T3599] ref_tracker_free+0x4fe/0x610
[ 56.802078][ T3599] ? ref_tracker_dir_exit+0x330/0x330
[ 56.807432][ T3599] ? bpf_sk_storage_free+0x333/0x3e0
[ 56.812707][ T3599] ? lock_downgrade+0x6e0/0x6e0
[ 56.817559][ T3599] ? kfree+0x1e1/0x560
[ 56.821623][ T3599] __sk_destruct+0x4a6/0x920
[ 56.826202][ T3599] sk_destruct+0xbd/0xe0
[ 56.830430][ T3599] __sk_free+0xef/0x3d0
[ 56.834574][ T3599] sk_free+0x78/0xa0
[ 56.838486][ T3599] __mptcp_close_ssk+0x435/0x590
[ 56.843413][ T3599] __mptcp_destroy_sock+0x35f/0x830
[ 56.848612][ T3599] ? __mptcp_close_ssk+0x590/0x590
[ 56.853709][ T3599] ? __local_bh_enable_ip+0xa0/0x120
[ 56.858997][ T3599] mptcp_close+0x5f8/0x7f0
[ 56.863413][ T3599] inet_release+0x12e/0x280
[ 56.867913][ T3599] inet6_release+0x4c/0x70
[ 56.872331][ T3599] __sock_release+0xcd/0x280
[ 56.877005][ T3599] sock_close+0x18/0x20
[ 56.881151][ T3599] __fput+0x286/0x9f0
[ 56.885121][ T3599] ? __sock_release+0x280/0x280
[ 56.889963][ T3599] task_work_run+0xdd/0x1a0
[ 56.894467][ T3599] exit_to_user_mode_prepare+0x27e/0x290
[ 56.900206][ T3599] syscall_exit_to_user_mode+0x19/0x60
[ 56.905661][ T3599] do_syscall_64+0x42/0xb0
[ 56.910067][ T3599] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.915948][ T3599] RIP: 0033:0x4b12db
[ 56.919828][ T3599] 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
[ 56.939423][ T3599] RSP: 002b:000000c0003894f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 56.947910][ T3599] RAX: 0000000000000000 RBX: 000000c00001e000 RCX: 00000000004b12db
[ 56.955871][ T3599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 56.963826][ T3599] RBP: 000000c000389530 R08: 0000000000f0ae01 R09: 00007fff0e165080
[ 56.971783][ T3599] R10: 00007fff0e165090 R11: 0000000000000206 R12: 000000000000000b
[ 56.979740][ T3599] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c000012500
[ 56.987708][ T3599]
[ 56.991153][ T3599] Kernel Offset: disabled
[ 56.995642][ T3599] Rebooting in 86400 seconds..