[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts. 2021/04/16 10:21:09 parsed 1 programs 2021/04/16 10:21:09 executed programs: 0 syzkaller login: [ 74.938270][ T8429] chnl_net:caif_netlink_parms(): no params data found [ 74.988504][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.996631][ T8429] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.005044][ T8429] device bridge_slave_0 entered promiscuous mode [ 75.015324][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.022462][ T8429] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.031105][ T8429] device bridge_slave_1 entered promiscuous mode [ 75.052693][ T8429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.064519][ T8429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.087078][ T8429] team0: Port device team_slave_0 added [ 75.095500][ T8429] team0: Port device team_slave_1 added [ 75.114044][ T8429] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.121021][ T8429] 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. [ 75.148808][ T8429] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.162151][ T8429] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.169271][ T8429] 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. [ 75.195380][ T8429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.222373][ T8429] device hsr_slave_0 entered promiscuous mode [ 75.229376][ T8429] device hsr_slave_1 entered promiscuous mode [ 75.335702][ T8429] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.349456][ T8429] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.358409][ T8429] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.368607][ T8429] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.393152][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.400391][ T8429] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.408606][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.415803][ T8429] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.466132][ T8429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.479310][ T3828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.491090][ T3828] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.501420][ T3828] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.509965][ T3828] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.526283][ T8429] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.538352][ T3828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.546961][ T3828] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.554115][ T3828] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.566646][ T3302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.576569][ T3302] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.583697][ T3302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.604671][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.614221][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.634431][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.642879][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.652500][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.664303][ T8429] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.682727][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.691378][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.705896][ T8429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.728428][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.749794][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.758191][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.767039][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.779963][ T8429] device veth0_vlan entered promiscuous mode [ 75.792305][ T8429] device veth1_vlan entered promiscuous mode [ 75.815551][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.825347][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.835051][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.846340][ T8429] device veth0_macvtap entered promiscuous mode [ 75.858870][ T8429] device veth1_macvtap entered promiscuous mode [ 75.877977][ T8429] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.888422][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.899060][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.912641][ T8429] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.920511][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.930519][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.942145][ T8429] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.954112][ T8429] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.962874][ T8429] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.972676][ T8429] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.070644][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.082100][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.111473][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.136806][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.146013][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.157419][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.586307][ T8701] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 76.598062][ T8701] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 76.606744][ T8701] CPU: 1 PID: 8701 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller #0 [ 76.615671][ T8701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.625727][ T8701] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 [ 76.631460][ T8701] Code: 02 00 0f 85 16 09 00 00 48 8b 85 f0 02 00 00 4d 8d 6c 24 14 4c 89 ea 48 c1 ea 03 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 4f 07 00 00 [ 76.651073][ T8701] RSP: 0018:ffffc900022f7c78 EFLAGS: 00010203 [ 76.657132][ T8701] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 76.665181][ T8701] RDX: 0000000000000002 RSI: ffffffff87a4d543 RDI: ffff888147824c70 [ 76.673150][ T8701] RBP: ffff888147824980 R08: 0000000000000001 R09: 00000000fffffff0 [ 76.681143][ T8701] R10: ffffffff87a4d7d1 R11: 0000000000000000 R12: 0000000000000000 [ 76.689109][ T8701] R13: 0000000000000014 R14: ffff888022b8b108 R15: 0000000000000001 [ 76.697114][ T8701] FS: 00000000017ca400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 76.706075][ T8701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.712677][ T8701] CR2: 000000000077fffb CR3: 0000000022190000 CR4: 00000000001506e0 [ 76.720679][ T8701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.728675][ T8701] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.736675][ T8701] Call Trace: [ 76.739961][ T8701] ? wait_on_pending_writer+0x430/0x430 [ 76.745529][ T8701] ? __local_bh_enable_ip+0xa0/0x120 [ 76.750839][ T8701] tls_sk_proto_close+0x356/0xaf0 [ 76.755891][ T8701] ? wait_on_pending_writer+0x430/0x430 [ 76.761451][ T8701] ? ip_mc_drop_socket+0x16/0x260 [ 76.766498][ T8701] inet_release+0x12e/0x280 [ 76.771013][ T8701] inet6_release+0x4c/0x70 [ 76.775442][ T8701] __sock_release+0xcd/0x280 [ 76.780057][ T8701] sock_close+0x18/0x20 [ 76.784220][ T8701] __fput+0x288/0x920 [ 76.788212][ T8701] ? __sock_release+0x280/0x280 [ 76.793068][ T8701] task_work_run+0xdd/0x1a0 [ 76.797585][ T8701] exit_to_user_mode_prepare+0x249/0x250 [ 76.803230][ T8701] syscall_exit_to_user_mode+0x19/0x60 [ 76.808724][ T8701] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.814633][ T8701] RIP: 0033:0x41926b [ 76.818533][ T8701] Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 [ 76.838166][ T8701] RSP: 002b:00007ffd293601f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 76.846606][ T8701] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 000000000041926b [ 76.854585][ T8701] RDX: 0000000000571260 RSI: 0000000000000080 RDI: 0000000000000005 [ 76.862568][ T8701] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000571268 [ 76.870639][ T8701] R10: 00007ffd293602e0 R11: 0000000000000293 R12: 0000000000012b2b [ 76.878621][ T8701] R13: 00000000000003e8 R14: 000000000056bf60 R15: 0000000000012b18 [ 76.886609][ T8701] Modules linked in: [ 76.894253][ T8701] ---[ end trace e74280d55b187f0f ]--- [ 76.899805][ T8701] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 [ 76.906082][ T3160] Bluetooth: hci0: command 0x0409 tx timeout [ 76.906957][ T8701] Code: 02 00 0f 85 16 09 00 00 48 8b 85 f0 02 00 00 4d 8d 6c 24 14 4c 89 ea 48 c1 ea 03 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 4f 07 00 00 [ 76.932118][ T8701] RSP: 0018:ffffc900022f7c78 EFLAGS: 00010203 [ 76.938307][ T8701] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 76.946433][ T8701] RDX: 0000000000000002 RSI: ffffffff87a4d543 RDI: ffff888147824c70 [ 76.954507][ T8701] RBP: ffff888147824980 R08: 0000000000000001 R09: 00000000fffffff0 [ 76.962506][ T8701] R10: ffffffff87a4d7d1 R11: 0000000000000000 R12: 0000000000000000 [ 76.970572][ T8701] R13: 0000000000000014 R14: ffff888022b8b108 R15: 0000000000000001 [ 76.978596][ T8701] FS: 00000000017ca400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 76.988046][ T8701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.994701][ T8701] CR2: 00007f681c03e058 CR3: 0000000022190000 CR4: 00000000001506e0 [ 77.002713][ T8701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.010951][ T8701] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.019108][ T8701] Kernel panic - not syncing: Fatal exception [ 77.025738][ T8701] Kernel Offset: disabled [ 77.030071][ T8701] Rebooting in 86400 seconds..