DUID 00:04:1e:62:2e:d3:28:4c:47:2c:f6:06:4a:96:1e:52:1a:b0
forked to background, child pid 3182
[ 30.584747][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0
[ 30.614693][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.26' (ECDSA) to the list of known hosts.
2021/12/17 01:48:22 fuzzer started
2021/12/17 01:48:22 connecting to host at 10.128.0.169:33727
2021/12/17 01:48:22 checking machine...
2021/12/17 01:48:22 checking revisions...
2021/12/17 01:48:22 testing simple program...
syzkaller login: [ 47.165557][ T3614] cgroup: Unknown subsys name 'net'
[ 47.298323][ T3614] cgroup: Unknown subsys name 'rlimit'
[ 48.596087][ T3617] chnl_net:caif_netlink_parms(): no params data found
[ 48.639488][ T3617] bridge0: port 1(bridge_slave_0) entered blocking state
[ 48.647137][ T3617] bridge0: port 1(bridge_slave_0) entered disabled state
[ 48.655252][ T3617] device bridge_slave_0 entered promiscuous mode
[ 48.664612][ T3617] bridge0: port 2(bridge_slave_1) entered blocking state
[ 48.671926][ T3617] bridge0: port 2(bridge_slave_1) entered disabled state
[ 48.679616][ T3617] device bridge_slave_1 entered promiscuous mode
[ 48.699428][ T3617] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 48.710302][ T3617] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 48.733724][ T3617] team0: Port device team_slave_0 added
[ 48.740902][ T3617] team0: Port device team_slave_1 added
[ 48.758621][ T3617] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 48.765673][ T3617] 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.
[ 48.791847][ T3617] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 48.804974][ T3617] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 48.812277][ T3617] 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.
[ 48.838584][ T3617] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 48.864414][ T3617] device hsr_slave_0 entered promiscuous mode
[ 48.871894][ T3617] device hsr_slave_1 entered promiscuous mode
[ 48.949184][ T3617] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 48.959231][ T3617] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 48.968573][ T3617] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 48.977315][ T3617] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 48.997581][ T3617] bridge0: port 2(bridge_slave_1) entered blocking state
[ 49.004760][ T3617] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 49.012405][ T3617] bridge0: port 1(bridge_slave_0) entered blocking state
[ 49.019456][ T3617] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 49.064659][ T3617] 8021q: adding VLAN 0 to HW filter on device bond0
[ 49.076148][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 49.086184][ T1783] bridge0: port 1(bridge_slave_0) entered disabled state
[ 49.094691][ T1783] bridge0: port 2(bridge_slave_1) entered disabled state
[ 49.103636][ T1783] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 49.116790][ T3617] 8021q: adding VLAN 0 to HW filter on device team0
[ 49.127791][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 49.136509][ T20] bridge0: port 1(bridge_slave_0) entered blocking state
[ 49.143710][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 49.156679][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 49.165247][ T20] bridge0: port 2(bridge_slave_1) entered blocking state
[ 49.172481][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 49.196429][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 49.204988][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 49.213592][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 49.222043][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 49.234659][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 49.245135][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 49.260371][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 49.268196][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 49.282129][ T3617] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 49.298719][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 49.317366][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 49.326232][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 49.334362][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 49.343956][ T3617] device veth0_vlan entered promiscuous mode
[ 49.355528][ T3617] device veth1_vlan entered promiscuous mode
[ 49.375768][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 49.384328][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 49.392560][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 49.403843][ T3617] device veth0_macvtap entered promiscuous mode
[ 49.413711][ T3617] device veth1_macvtap entered promiscuous mode
[ 49.429455][ T3617] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 49.437648][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 49.446898][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 49.458950][ T3617] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 49.466719][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 49.478352][ T3617] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 49.487518][ T3617] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 49.496397][ T3617] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 49.505583][ T3617] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 49.568376][ T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 49.576814][ T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 49.597636][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 49.610199][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 49.618392][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 49.627393][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2021/12/17 01:48:25 building call list...
[ 49.864226][ T979] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 51.791475][ T3610] can: request_module (can-proto-0) failed.
[ 51.812927][ T3610] can: request_module (can-proto-0) failed.
[ 51.833932][ T3610] can: request_module (can-proto-0) failed.
[ 52.028128][ T3610] ------------[ cut here ]------------
[ 52.034178][ T3610] refcount_t: decrement hit 0; leaking memory.
[ 52.040558][ T3610] WARNING: CPU: 0 PID: 3610 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0
[ 52.050352][ T3610] Modules linked in:
[ 52.054997][ T3610] CPU: 0 PID: 3610 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 52.063833][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.074484][ T3610] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 52.080568][ T3610] 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
[ 52.100390][ T3610] RSP: 0018:ffffc90001f2fab0 EFLAGS: 00010286
[ 52.106608][ T3610] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 52.114709][ T3610] RDX: ffff8880232d9d00 RSI: ffffffff815f1e28 RDI: fffff520003e5f48
[ 52.122800][ T3610] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 52.130757][ T3610] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003e5f5b
[ 52.138839][ T3610] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001f2fd10
[ 52.146854][ T3610] FS: 000000c000096090(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 52.155897][ T3610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.162768][ T3610] CR2: 00007f13369c5300 CR3: 000000007a2df000 CR4: 00000000003506e0
[ 52.170754][ T3610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.178768][ T3610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.186840][ T3610] Call Trace:
[ 52.190113][ T3610]
[ 52.193164][ T3610] ref_tracker_free+0x4fe/0x610
[ 52.198032][ T3610] ? ref_tracker_dir_exit+0x330/0x330
[ 52.203441][ T3610] ? bpf_sk_storage_free+0x333/0x3e0
[ 52.208740][ T3610] ? lock_downgrade+0x6e0/0x6e0
[ 52.213622][ T3610] ? kfree+0x1e1/0x560
[ 52.217804][ T3610] __sk_destruct+0x4a6/0x920
[ 52.222935][ T3610] sk_destruct+0xbd/0xe0
[ 52.227205][ T3610] __sk_free+0xef/0x3d0
[ 52.231352][ T3610] sk_free+0x78/0xa0
[ 52.235560][ T3610] __mptcp_close_ssk+0x435/0x590
[ 52.240875][ T3610] __mptcp_destroy_sock+0x35f/0x830
[ 52.246232][ T3610] ? __mptcp_close_ssk+0x590/0x590
[ 52.251362][ T3610] ? __local_bh_enable_ip+0xa0/0x120
[ 52.256811][ T3610] mptcp_close+0x5f8/0x7f0
[ 52.261218][ T3610] inet_release+0x12e/0x280
[ 52.266056][ T3610] inet6_release+0x4c/0x70
[ 52.270520][ T3610] __sock_release+0xcd/0x280
[ 52.275573][ T3610] sock_close+0x18/0x20
[ 52.279726][ T3610] __fput+0x286/0x9f0
[ 52.283870][ T3610] ? __sock_release+0x280/0x280
[ 52.288753][ T3610] task_work_run+0xdd/0x1a0
[ 52.293631][ T3610] exit_to_user_mode_prepare+0x27e/0x290
[ 52.299293][ T3610] syscall_exit_to_user_mode+0x19/0x60
[ 52.304802][ T3610] do_syscall_64+0x42/0xb0
[ 52.309229][ T3610] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 52.315155][ T3610] RIP: 0033:0x4b12db
[ 52.319051][ T3610] 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
[ 52.338809][ T3610] RSP: 002b:000000c00037d4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 52.347280][ T3610] RAX: 0000000000000000 RBX: 000000c00001e800 RCX: 00000000004b12db
[ 52.355301][ T3610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 52.363485][ T3610] RBP: 000000c00037d530 R08: 0000000000f0ae01 R09: 00007ffec1de4080
[ 52.371509][ T3610] R10: 00007ffec1de4090 R11: 0000000000000206 R12: 0000000000000080
[ 52.379486][ T3610] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0001da780
[ 52.387517][ T3610]
[ 52.390540][ T3610] Kernel panic - not syncing: panic_on_warn set ...
[ 52.397109][ T3610] CPU: 1 PID: 3610 Comm: syz-fuzzer Not tainted 5.16.0-rc4-syzkaller #0
[ 52.405422][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.415473][ T3610] Call Trace:
[ 52.418752][ T3610]
[ 52.421681][ T3610] dump_stack_lvl+0xcd/0x134
[ 52.426277][ T3610] panic+0x2b0/0x6dd
[ 52.430175][ T3610] ? __warn_printk+0xf3/0xf3
[ 52.434777][ T3610] ? __warn.cold+0x1a/0x44
[ 52.439199][ T3610] ? refcount_warn_saturate+0xbf/0x1e0
[ 52.444662][ T3610] __warn.cold+0x35/0x44
[ 52.448903][ T3610] ? wake_up_klogd.part.0+0x8e/0xd0
[ 52.454104][ T3610] ? refcount_warn_saturate+0xbf/0x1e0
[ 52.459568][ T3610] report_bug+0x1bd/0x210
[ 52.463907][ T3610] handle_bug+0x3c/0x60
[ 52.468068][ T3610] exc_invalid_op+0x14/0x40
[ 52.472573][ T3610] asm_exc_invalid_op+0x12/0x20
[ 52.477427][ T3610] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0
[ 52.483497][ T3610] 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
[ 52.503101][ T3610] RSP: 0018:ffffc90001f2fab0 EFLAGS: 00010286
[ 52.509167][ T3610] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 52.517130][ T3610] RDX: ffff8880232d9d00 RSI: ffffffff815f1e28 RDI: fffff520003e5f48
[ 52.525096][ T3610] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 52.533065][ T3610] R10: ffffffff815ebbce R11: 0000000000000000 R12: 1ffff920003e5f5b
[ 52.541031][ T3610] R13: 00000000ffffffef R14: ffffffff8d2fcd94 R15: ffffc90001f2fd10
[ 52.549016][ T3610] ? wake_up_klogd.part.0+0x8e/0xd0
[ 52.554238][ T3610] ? vprintk+0x88/0x90
[ 52.558327][ T3610] ref_tracker_free+0x4fe/0x610
[ 52.563184][ T3610] ? ref_tracker_dir_exit+0x330/0x330
[ 52.568565][ T3610] ? bpf_sk_storage_free+0x333/0x3e0
[ 52.573869][ T3610] ? lock_downgrade+0x6e0/0x6e0
[ 52.578728][ T3610] ? kfree+0x1e1/0x560
[ 52.582822][ T3610] __sk_destruct+0x4a6/0x920
[ 52.587426][ T3610] sk_destruct+0xbd/0xe0
[ 52.591704][ T3610] __sk_free+0xef/0x3d0
[ 52.595870][ T3610] sk_free+0x78/0xa0
[ 52.599768][ T3610] __mptcp_close_ssk+0x435/0x590
[ 52.604709][ T3610] __mptcp_destroy_sock+0x35f/0x830
[ 52.609918][ T3610] ? __mptcp_close_ssk+0x590/0x590
[ 52.615040][ T3610] ? __local_bh_enable_ip+0xa0/0x120
[ 52.620344][ T3610] mptcp_close+0x5f8/0x7f0
[ 52.624771][ T3610] inet_release+0x12e/0x280
[ 52.629279][ T3610] inet6_release+0x4c/0x70
[ 52.633813][ T3610] __sock_release+0xcd/0x280
[ 52.638426][ T3610] sock_close+0x18/0x20
[ 52.642597][ T3610] __fput+0x286/0x9f0
[ 52.646592][ T3610] ? __sock_release+0x280/0x280
[ 52.651463][ T3610] task_work_run+0xdd/0x1a0
[ 52.655981][ T3610] exit_to_user_mode_prepare+0x27e/0x290
[ 52.661709][ T3610] syscall_exit_to_user_mode+0x19/0x60
[ 52.667175][ T3610] do_syscall_64+0x42/0xb0
[ 52.671600][ T3610] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 52.677518][ T3610] RIP: 0033:0x4b12db
[ 52.681422][ T3610] 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
[ 52.701043][ T3610] RSP: 002b:000000c00037d4f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000003
[ 52.709464][ T3610] RAX: 0000000000000000 RBX: 000000c00001e800 RCX: 00000000004b12db
[ 52.717436][ T3610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 52.725424][ T3610] RBP: 000000c00037d530 R08: 0000000000f0ae01 R09: 00007ffec1de4080
[ 52.733390][ T3610] R10: 00007ffec1de4090 R11: 0000000000000206 R12: 0000000000000080
[ 52.741359][ T3610] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000c0001da780
[ 52.749343][ T3610]
[ 52.752740][ T3610] Kernel Offset: disabled
[ 52.757148][ T3610] Rebooting in 86400 seconds..