[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ 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 '10.128.1.62' (ECDSA) to the list of known hosts. 2021/08/05 00:13:11 parsed 1 programs 2021/08/05 00:13:11 executed programs: 0 syzkaller login: [ 70.848700][ T8484] chnl_net:caif_netlink_parms(): no params data found [ 70.915823][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.924110][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.931919][ T8484] device bridge_slave_0 entered promiscuous mode [ 70.943021][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.950128][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.958279][ T8484] device bridge_slave_1 entered promiscuous mode [ 70.987663][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.998641][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.031374][ T8484] team0: Port device team_slave_0 added [ 71.039259][ T8484] team0: Port device team_slave_1 added [ 71.068941][ T8484] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.077615][ T3266] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.079033][ T8484] 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. [ 71.084171][ T3266] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.123238][ T8484] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.136621][ T8484] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.144034][ T8484] 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. [ 71.171128][ T8484] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.210657][ T8484] device hsr_slave_0 entered promiscuous mode [ 71.217978][ T8484] device hsr_slave_1 entered promiscuous mode [ 71.334797][ T8484] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.347152][ T8484] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.356068][ T8484] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.368820][ T8484] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.394928][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.402135][ T8484] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.409980][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.417172][ T8484] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.459740][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.474451][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.486490][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.495879][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.505298][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.519769][ T8484] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.531507][ T4889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.541678][ T4889] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.548798][ T4889] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.561151][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.570060][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.577196][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.596113][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.604691][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.623849][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.632817][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.640979][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.654546][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.673677][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.681069][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.694553][ T8484] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.714443][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.736729][ T8484] device veth0_vlan entered promiscuous mode [ 71.744009][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.753454][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.761115][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.777035][ T8484] device veth1_vlan entered promiscuous mode [ 71.797494][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.806161][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.814695][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.829714][ T8484] device veth0_macvtap entered promiscuous mode [ 71.841759][ T8484] device veth1_macvtap entered promiscuous mode [ 71.860416][ T8484] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.871396][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.880717][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.894608][ T8484] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.901889][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.911716][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.924452][ T8484] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.933553][ T8484] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.942492][ T8484] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.951189][ T8484] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.036447][ T208] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.050046][ T208] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.071189][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.090810][ T208] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.101859][ T208] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.111358][ T117] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.157129][ T8836] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 72.168880][ T8836] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 72.177291][ T8836] CPU: 1 PID: 8836 Comm: syz-executor.0 Not tainted 5.14.0-rc3-syzkaller #0 [ 72.185975][ T8836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.196033][ T8836] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 [ 72.201791][ T8836] 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 [ 72.221407][ T8836] RSP: 0018:ffffc9000232fc60 EFLAGS: 00010203 [ 72.227528][ T8836] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 72.235487][ T8836] RDX: 0000000000000002 RSI: ffffffff87c25773 RDI: ffff888028079bf0 [ 72.243465][ T8836] RBP: ffff888028079900 R08: 0000000000000001 R09: 00000000fffffff0 [ 72.251428][ T8836] R10: ffffffff87c25a01 R11: 0000000000000000 R12: 0000000000000000 [ 72.259388][ T8836] R13: 0000000000000014 R14: ffff88801f918108 R15: 0000000000000001 [ 72.267350][ T8836] FS: 00000000026a9400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.276267][ T8836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.282840][ T8836] CR2: 000000000077fffb CR3: 0000000029431000 CR4: 00000000001506e0 [ 72.290802][ T8836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.298761][ T8836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.306719][ T8836] Call Trace: [ 72.309987][ T8836] ? wait_on_pending_writer+0x430/0x430 [ 72.315533][ T8836] ? __local_bh_enable_ip+0xa0/0x120 [ 72.320814][ T8836] tls_sk_proto_close+0x356/0xaf0 [ 72.325833][ T8836] ? wait_on_pending_writer+0x430/0x430 [ 72.331374][ T8836] ? ip_mc_drop_socket+0x16/0x260 [ 72.336394][ T8836] inet_release+0x12e/0x280 [ 72.340894][ T8836] inet6_release+0x4c/0x70 [ 72.345305][ T8836] __sock_release+0xcd/0x280 [ 72.349887][ T8836] sock_close+0x18/0x20 [ 72.354032][ T8836] __fput+0x288/0x920 [ 72.358001][ T8836] ? __sock_release+0x280/0x280 [ 72.362840][ T8836] task_work_run+0xdd/0x1a0 [ 72.367351][ T8836] exit_to_user_mode_prepare+0x27e/0x290 [ 72.372992][ T8836] syscall_exit_to_user_mode+0x19/0x60 [ 72.378455][ T8836] do_syscall_64+0x42/0xb0 [ 72.382860][ T8836] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.388749][ T8836] RIP: 0033:0x4193fb [ 72.392632][ T8836] 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 [ 72.412228][ T8836] RSP: 002b:00007ffc10fbd050 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 72.420633][ T8836] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00000000004193fb [ 72.428592][ T8836] RDX: 0000000000570af8 RSI: 0000000000000001 RDI: 0000000000000005 [ 72.436551][ T8836] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2df200e0 [ 72.444509][ T8836] R10: ffffffffffffffff R11: 0000000000000293 R12: 0000000000570af8 [ 72.452469][ T8836] R13: 00007ffc10fbd170 R14: 000000000056bf80 R15: 00000000000119cd [ 72.460435][ T8836] Modules linked in: [ 72.469202][ T8836] ---[ end trace 760db6f4b4b4d376 ]--- [ 72.474767][ T8836] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 [ 72.480510][ T8836] 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 [ 72.500618][ T8836] RSP: 0018:ffffc9000232fc60 EFLAGS: 00010203 [ 72.507475][ T8836] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 72.516359][ T8836] RDX: 0000000000000002 RSI: ffffffff87c25773 RDI: ffff888028079bf0 [ 72.524605][ T8836] RBP: ffff888028079900 R08: 0000000000000001 R09: 00000000fffffff0 [ 72.532841][ T8836] R10: ffffffff87c25a01 R11: 0000000000000000 R12: 0000000000000000 [ 72.540828][ T8836] R13: 0000000000000014 R14: ffff88801f918108 R15: 0000000000000001 [ 72.549186][ T8836] FS: 00000000026a9400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.558376][ T8836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.565423][ T8836] CR2: 00007f25ac03a068 CR3: 0000000029431000 CR4: 00000000001506f0 [ 72.574191][ T8836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.582458][ T8836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.590436][ T8836] Kernel panic - not syncing: Fatal exception [ 72.597698][ T8836] Kernel Offset: disabled [ 72.602008][ T8836] Rebooting in 86400 seconds..