[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.91' (ECDSA) to the list of known hosts. 2021/09/03 04:15:36 parsed 1 programs 2021/09/03 04:15:36 executed programs: 0 syzkaller login: [ 80.070656][ T8487] chnl_net:caif_netlink_parms(): no params data found [ 80.149679][ T8487] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.158632][ T8487] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.167093][ T8487] device bridge_slave_0 entered promiscuous mode [ 80.176536][ T8487] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.183691][ T8487] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.192390][ T8487] device bridge_slave_1 entered promiscuous mode [ 80.220916][ T8487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.232152][ T8487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.264940][ T8487] team0: Port device team_slave_0 added [ 80.273735][ T8487] team0: Port device team_slave_1 added [ 80.300305][ T8487] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.307919][ T8487] 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. [ 80.334609][ T8487] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.347280][ T8487] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.354290][ T8487] 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. [ 80.380949][ T8487] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.417658][ T8487] device hsr_slave_0 entered promiscuous mode [ 80.424507][ T8487] device hsr_slave_1 entered promiscuous mode [ 80.553969][ T8487] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.564892][ T8487] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.576809][ T8487] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.588512][ T8487] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.612256][ T8487] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.619569][ T8487] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.627521][ T8487] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.634733][ T8487] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.680199][ T8487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.693757][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.707239][ T8818] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.717023][ T8818] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.724894][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.740374][ T8487] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.752317][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.761320][ T8818] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.768523][ T8818] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.782089][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.790862][ T8818] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.798032][ T8818] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.817699][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.829774][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.838440][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.852747][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.867247][ T8487] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 80.880221][ T8487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.888952][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.907923][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.916277][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.930518][ T8487] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.950007][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.971811][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.981039][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.989817][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.000832][ T8487] device veth0_vlan entered promiscuous mode [ 81.014671][ T8487] device veth1_vlan entered promiscuous mode [ 81.037591][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.046282][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.054457][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.067819][ T8487] device veth0_macvtap entered promiscuous mode [ 81.081184][ T8487] device veth1_macvtap entered promiscuous mode [ 81.102166][ T8487] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.110687][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.120490][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.133092][ T8487] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.140808][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.151005][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.163252][ T8487] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.175683][ T8487] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.184494][ T8487] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.196906][ T8487] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.289395][ T1055] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.303324][ T1055] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.337827][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.353124][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.354895][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.369879][ T8818] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 81.421874][ T8839] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 81.433718][ T8839] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 81.442151][ T8839] CPU: 0 PID: 8839 Comm: syz-executor.0 Not tainted 5.14.0-rc7-syzkaller #0 [ 81.450841][ T8839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.460904][ T8839] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 [ 81.466662][ T8839] 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 [ 81.486281][ T8839] RSP: 0018:ffffc9000238fc60 EFLAGS: 00010203 [ 81.492485][ T8839] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 81.500463][ T8839] RDX: 0000000000000002 RSI: ffffffff87c39b93 RDI: ffff888147b09bf0 [ 81.508772][ T8839] RBP: ffff888147b09900 R08: 0000000000000001 R09: 00000000fffffff0 [ 81.516730][ T8839] R10: ffffffff87c39e21 R11: 0000000000000000 R12: 0000000000000000 [ 81.524771][ T8839] R13: 0000000000000014 R14: ffff888018a35108 R15: 0000000000000001 [ 81.532746][ T8839] FS: 0000000002bba400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 81.541675][ T8839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.548250][ T8839] CR2: 000000000077fffb CR3: 0000000027790000 CR4: 00000000001506f0 [ 81.556215][ T8839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.564168][ T8839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.572139][ T8839] Call Trace: [ 81.575404][ T8839] ? wait_on_pending_writer+0x430/0x430 [ 81.580943][ T8839] ? __local_bh_enable_ip+0xa0/0x120 [ 81.586222][ T8839] tls_sk_proto_close+0x356/0xaf0 [ 81.591252][ T8839] ? wait_on_pending_writer+0x430/0x430 [ 81.596790][ T8839] ? ip_mc_drop_socket+0x16/0x260 [ 81.601819][ T8839] inet_release+0x12e/0x280 [ 81.606371][ T8839] inet6_release+0x4c/0x70 [ 81.610816][ T8839] __sock_release+0xcd/0x280 [ 81.615403][ T8839] sock_close+0x18/0x20 [ 81.619544][ T8839] __fput+0x288/0x920 [ 81.623536][ T8839] ? __sock_release+0x280/0x280 [ 81.628375][ T8839] task_work_run+0xdd/0x1a0 [ 81.632866][ T8839] exit_to_user_mode_prepare+0x27e/0x290 [ 81.638484][ T8839] syscall_exit_to_user_mode+0x19/0x60 [ 81.643941][ T8839] do_syscall_64+0x42/0xb0 [ 81.648461][ T8839] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.654396][ T8839] RIP: 0033:0x41940b [ 81.658279][ T8839] 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 [ 81.678162][ T8839] RSP: 002b:00007ffc465db560 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 81.686559][ T8839] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 000000000041940b [ 81.694614][ T8839] RDX: 0000000000570af8 RSI: 0000000000000001 RDI: 0000000000000005 [ 81.702613][ T8839] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2e2200e0 [ 81.710738][ T8839] R10: ffffffffffffffff R11: 0000000000000293 R12: 0000000000570af8 [ 81.718919][ T8839] R13: 00007ffc465db680 R14: 000000000056bf80 R15: 0000000000013e02 [ 81.726923][ T8839] Modules linked in: [ 81.737569][ T8839] ---[ end trace 8d7001aabf5ae207 ]--- [ 81.743223][ T8839] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 [ 81.749339][ T8839] 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 [ 81.769460][ T8839] RSP: 0018:ffffc9000238fc60 EFLAGS: 00010203 [ 81.776183][ T8839] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 81.784237][ T8839] RDX: 0000000000000002 RSI: ffffffff87c39b93 RDI: ffff888147b09bf0 [ 81.792651][ T8839] RBP: ffff888147b09900 R08: 0000000000000001 R09: 00000000fffffff0 [ 81.800921][ T8839] R10: ffffffff87c39e21 R11: 0000000000000000 R12: 0000000000000000 [ 81.809450][ T8839] R13: 0000000000000014 R14: ffff888018a35108 R15: 0000000000000001 [ 81.817748][ T8839] FS: 0000000002bba400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 81.827413][ T8839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.834025][ T8839] CR2: 00007f3005008000 CR3: 0000000027790000 CR4: 00000000001506f0 [ 81.842515][ T8839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.851040][ T8839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.859376][ T8839] Kernel panic - not syncing: Fatal exception [ 81.866814][ T8839] Kernel Offset: disabled [ 81.871156][ T8839] Rebooting in 86400 seconds..