[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.98' (ECDSA) to the list of known hosts. syzkaller login: [ 60.213454][ T6811] IPVS: ftp: loaded support on port[0] = 21 [ 60.293920][ T6811] chnl_net:caif_netlink_parms(): no params data found [ 60.341988][ T6811] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.350131][ T6811] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.358879][ T6811] device bridge_slave_0 entered promiscuous mode [ 60.368710][ T6811] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.375824][ T6811] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.384886][ T6811] device bridge_slave_1 entered promiscuous mode [ 60.405591][ T6811] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.417963][ T6811] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.440546][ T6811] team0: Port device team_slave_0 added [ 60.448893][ T6811] team0: Port device team_slave_1 added [ 60.466353][ T6811] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.473692][ T6811] 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. [ 60.500738][ T6811] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.513349][ T6811] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.521469][ T6811] 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. [ 60.548460][ T6811] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.610015][ T6811] device hsr_slave_0 entered promiscuous mode [ 60.677964][ T6811] device hsr_slave_1 entered promiscuous mode [ 60.802225][ T6811] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.859822][ T6811] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.909240][ T6811] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.949897][ T6811] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.082901][ T6811] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.090217][ T6811] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.098400][ T6811] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.105486][ T6811] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.211522][ T6811] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.224892][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.235355][ T7019] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.245552][ T7019] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.254050][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.267966][ T6811] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.279672][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.288909][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.298137][ T2533] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.305197][ T2533] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.317198][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.325888][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.345615][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.352765][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.364978][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.387147][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.395964][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.406092][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.415012][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.424283][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.433114][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.441804][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.450802][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.462713][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.472447][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.484338][ T6811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.504043][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.512333][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.527387][ T6811] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.545866][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.555147][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.577015][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.585723][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.596160][ T6811] device veth0_vlan entered promiscuous mode [ 61.607066][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.614845][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.625760][ T6811] device veth1_vlan entered promiscuous mode [ 61.646170][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.654885][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.664033][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.673127][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.684311][ T6811] device veth0_macvtap entered promiscuous mode [ 61.694507][ T6811] device veth1_macvtap entered promiscuous mode [ 61.712601][ T6811] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.720707][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.728987][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.737496][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.745992][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.759858][ T6811] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.769702][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.779494][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.791081][ T6811] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.800702][ T6811] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.809503][ T6811] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.819085][ T6811] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 62.004025][ T6811] ================================================================== [ 62.012328][ T6811] BUG: KASAN: use-after-free in __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.020465][ T6811] Read of size 8 at addr ffff8880934578a8 by task syz-executor437/6811 [ 62.028701][ T6811] CPU: 0 PID: 6811 Comm: syz-executor437 Not tainted 5.8.0-rc5-next-20200715-syzkaller #0 [ 62.038569][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.048647][ T6811] Call Trace: [ 62.051945][ T6811] dump_stack+0x18f/0x20d [ 62.056275][ T6811] ? __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.062093][ T6811] ? __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.067909][ T6811] print_address_description.constprop.0.cold+0xae/0x497 [ 62.074936][ T6811] ? __xfrm6_tunnel_spi_lookup+0x142/0x3b0 [ 62.080779][ T6811] ? lockdep_hardirqs_off+0x66/0xa0 [ 62.085992][ T6811] ? vprintk_func+0x97/0x1a6 [ 62.090575][ T6811] ? __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.096638][ T6811] ? __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.102434][ T6811] kasan_report.cold+0x1f/0x37 [ 62.107201][ T6811] ? __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.113001][ T6811] __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.118640][ T6811] xfrm6_tunnel_spi_lookup+0x8a/0x1d0 [ 62.124000][ T6811] xfrmi6_rcv_tunnel+0xb9/0x100 [ 62.128836][ T6811] tunnel6_rcv+0xef/0x2b0 [ 62.133150][ T6811] ip6_protocol_deliver_rcu+0x2e8/0x1670 [ 62.138771][ T6811] ip6_input_finish+0x7f/0x160 [ 62.143515][ T6811] ip6_input+0x9c/0xd0 [ 62.147564][ T6811] ipv6_rcv+0x28e/0x3c0 [ 62.151705][ T6811] ? ip6_rcv_core+0x1bb0/0x1bb0 [ 62.156574][ T6811] __netif_receive_skb_one_core+0x114/0x180 [ 62.162453][ T6811] ? __netif_receive_skb_core+0x3690/0x3690 [ 62.168340][ T6811] ? lockdep_hardirqs_on+0x6a/0xe0 [ 62.173440][ T6811] ? read_seqcount_begin.constprop.0+0x139/0x1f0 [ 62.179765][ T6811] ? ktime_get_with_offset+0x130/0x1a0 [ 62.185324][ T6811] __netif_receive_skb+0x27/0x1c0 [ 62.190337][ T6811] netif_receive_skb+0x159/0x990 [ 62.195270][ T6811] ? __netif_receive_skb+0x1c0/0x1c0 [ 62.200553][ T6811] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 62.206530][ T6811] ? skb_set_owner_w+0x24e/0x400 [ 62.211452][ T6811] ? __tun_build_skb+0x1cd/0x260 [ 62.216390][ T6811] tun_rx_batched.isra.0+0x460/0x720 [ 62.221658][ T6811] ? tun_get_user+0x197f/0x35b0 [ 62.226492][ T6811] ? tun_sock_write_space+0x1d0/0x1d0 [ 62.231863][ T6811] ? lock_release+0x8d0/0x8d0 [ 62.236523][ T6811] ? lock_downgrade+0x820/0x820 [ 62.241379][ T6811] ? eth_type_trans+0x360/0x690 [ 62.246218][ T6811] ? __local_bh_enable_ip+0x159/0x250 [ 62.251578][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.257541][ T6811] ? tun_get_user+0x231f/0x35b0 [ 62.262373][ T6811] ? trace_hardirqs_on+0x5f/0x220 [ 62.267390][ T6811] tun_get_user+0x23b2/0x35b0 [ 62.272066][ T6811] ? lock_acquire+0x1f1/0xad0 [ 62.276730][ T6811] ? tun_build_skb+0xf30/0xf30 [ 62.281482][ T6811] ? tun_get+0x160/0x280 [ 62.285798][ T6811] ? aa_file_perm+0x5e2/0x1100 [ 62.290555][ T6811] tun_chr_write_iter+0xba/0x151 [ 62.295482][ T6811] new_sync_write+0x422/0x650 [ 62.300161][ T6811] ? new_sync_read+0x6e0/0x6e0 [ 62.304917][ T6811] ? apparmor_file_permission+0x26e/0x4e0 [ 62.310628][ T6811] ? __up_read+0x1a1/0x7b0 [ 62.315038][ T6811] vfs_write+0x59d/0x6b0 [ 62.319284][ T6811] ksys_write+0x12d/0x250 [ 62.323617][ T6811] ? __ia32_sys_read+0xb0/0xb0 [ 62.328376][ T6811] ? lock_is_held_type+0xb0/0xe0 [ 62.333312][ T6811] ? do_syscall_64+0x1c/0xe0 [ 62.337995][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.343987][ T6811] do_syscall_64+0x60/0xe0 [ 62.348497][ T6811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.354375][ T6811] RIP: 0033:0x403d50 [ 62.358246][ T6811] Code: Bad RIP value. [ 62.362320][ T6811] RSP: 002b:00007ffe8fe93368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.370724][ T6811] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403d50 [ 62.378706][ T6811] RDX: 000000000000005e RSI: 00000000200007c0 RDI: 00000000000000f0 [ 62.386664][ T6811] RBP: 00007ffe8fe93390 R08: 0000000000000000 R09: 0000000000000000 [ 62.394650][ T6811] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8fe93380 [ 62.402618][ T6811] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 62.410588][ T6811] Allocated by task 6811: [ 62.414915][ T6811] kasan_save_stack+0x1b/0x40 [ 62.419584][ T6811] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 62.425195][ T6811] __kmalloc+0x1a8/0x320 [ 62.429417][ T6811] tomoyo_init_log+0x1335/0x1e50 [ 62.434336][ T6811] tomoyo_supervisor+0x32f/0xeb0 [ 62.439258][ T6811] tomoyo_path_number_perm+0x3ed/0x4d0 [ 62.444707][ T6811] security_file_ioctl+0x50/0xb0 [ 62.449626][ T6811] ksys_ioctl+0x50/0x180 [ 62.453850][ T6811] __x64_sys_ioctl+0x6f/0xb0 [ 62.458432][ T6811] do_syscall_64+0x60/0xe0 [ 62.462830][ T6811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.468702][ T6811] Freed by task 6811: [ 62.472777][ T6811] kasan_save_stack+0x1b/0x40 [ 62.477454][ T6811] kasan_set_track+0x1c/0x30 [ 62.482140][ T6811] kasan_set_free_info+0x1b/0x30 [ 62.487060][ T6811] __kasan_slab_free+0xd8/0x120 [ 62.491901][ T6811] kfree+0x103/0x2c0 [ 62.495780][ T6811] tomoyo_supervisor+0x350/0xeb0 [ 62.501832][ T6811] tomoyo_path_number_perm+0x3ed/0x4d0 [ 62.507277][ T6811] security_file_ioctl+0x50/0xb0 [ 62.512229][ T6811] ksys_ioctl+0x50/0x180 [ 62.516464][ T6811] __x64_sys_ioctl+0x6f/0xb0 [ 62.521054][ T6811] do_syscall_64+0x60/0xe0 [ 62.525508][ T6811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.531514][ T6811] The buggy address belongs to the object at ffff888093457800 [ 62.531514][ T6811] which belongs to the cache kmalloc-512 of size 512 [ 62.545565][ T6811] The buggy address is located 168 bytes inside of [ 62.545565][ T6811] 512-byte region [ffff888093457800, ffff888093457a00) [ 62.558832][ T6811] The buggy address belongs to the page: [ 62.564473][ T6811] page:000000005c2b5911 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x93457 [ 62.574619][ T6811] flags: 0xfffe0000000200(slab) [ 62.579629][ T6811] raw: 00fffe0000000200 ffffea00028d4308 ffffea0002834c88 ffff8880aa000600 [ 62.588290][ T6811] raw: 0000000000000000 ffff888093457000 0000000100000004 0000000000000000 [ 62.596869][ T6811] page dumped because: kasan: bad access detected [ 62.603282][ T6811] Memory state around the buggy address: [ 62.608927][ T6811] ffff888093457780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 62.616988][ T6811] ffff888093457800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.625046][ T6811] >ffff888093457880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.634010][ T6811] ^ [ 62.639463][ T6811] ffff888093457900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.647543][ T6811] ffff888093457980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.655589][ T6811] ================================================================== [ 62.663636][ T6811] Disabling lock debugging due to kernel taint [ 62.669881][ T6811] Kernel panic - not syncing: panic_on_warn set ... [ 62.676484][ T6811] CPU: 0 PID: 6811 Comm: syz-executor437 Tainted: G B 5.8.0-rc5-next-20200715-syzkaller #0 [ 62.687763][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.697827][ T6811] Call Trace: [ 62.701129][ T6811] dump_stack+0x18f/0x20d [ 62.705503][ T6811] ? __xfrm6_tunnel_spi_lookup+0x360/0x3b0 [ 62.711332][ T6811] panic+0x2e3/0x75c [ 62.715266][ T6811] ? __warn_printk+0xf3/0xf3 [ 62.719915][ T6811] ? asm_common_interrupt+0x1e/0x40 [ 62.725137][ T6811] ? trace_hardirqs_on+0x55/0x220 [ 62.730153][ T6811] ? __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.735954][ T6811] ? __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.741772][ T6811] end_report+0x4d/0x53 [ 62.745951][ T6811] kasan_report.cold+0xd/0x37 [ 62.751586][ T6811] ? __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.757388][ T6811] __xfrm6_tunnel_spi_lookup+0x3a9/0x3b0 [ 62.763017][ T6811] xfrm6_tunnel_spi_lookup+0x8a/0x1d0 [ 62.768395][ T6811] xfrmi6_rcv_tunnel+0xb9/0x100 [ 62.773229][ T6811] tunnel6_rcv+0xef/0x2b0 [ 62.777551][ T6811] ip6_protocol_deliver_rcu+0x2e8/0x1670 [ 62.783191][ T6811] ip6_input_finish+0x7f/0x160 [ 62.787956][ T6811] ip6_input+0x9c/0xd0 [ 62.792008][ T6811] ipv6_rcv+0x28e/0x3c0 [ 62.796150][ T6811] ? ip6_rcv_core+0x1bb0/0x1bb0 [ 62.800992][ T6811] __netif_receive_skb_one_core+0x114/0x180 [ 62.806923][ T6811] ? __netif_receive_skb_core+0x3690/0x3690 [ 62.812843][ T6811] ? lockdep_hardirqs_on+0x6a/0xe0 [ 62.817959][ T6811] ? read_seqcount_begin.constprop.0+0x139/0x1f0 [ 62.824294][ T6811] ? ktime_get_with_offset+0x130/0x1a0 [ 62.829751][ T6811] __netif_receive_skb+0x27/0x1c0 [ 62.834786][ T6811] netif_receive_skb+0x159/0x990 [ 62.839721][ T6811] ? __netif_receive_skb+0x1c0/0x1c0 [ 62.845001][ T6811] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 62.850988][ T6811] ? skb_set_owner_w+0x24e/0x400 [ 62.855990][ T6811] ? __tun_build_skb+0x1cd/0x260 [ 62.860929][ T6811] tun_rx_batched.isra.0+0x460/0x720 [ 62.866217][ T6811] ? tun_get_user+0x197f/0x35b0 [ 62.871066][ T6811] ? tun_sock_write_space+0x1d0/0x1d0 [ 62.876429][ T6811] ? lock_release+0x8d0/0x8d0 [ 62.881098][ T6811] ? lock_downgrade+0x820/0x820 [ 62.885936][ T6811] ? eth_type_trans+0x360/0x690 [ 62.890802][ T6811] ? __local_bh_enable_ip+0x159/0x250 [ 62.896166][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.902131][ T6811] ? tun_get_user+0x231f/0x35b0 [ 62.906977][ T6811] ? trace_hardirqs_on+0x5f/0x220 [ 62.911987][ T6811] tun_get_user+0x23b2/0x35b0 [ 62.916653][ T6811] ? lock_acquire+0x1f1/0xad0 [ 62.921324][ T6811] ? tun_build_skb+0xf30/0xf30 [ 62.926111][ T6811] ? tun_get+0x160/0x280 [ 62.930349][ T6811] ? aa_file_perm+0x5e2/0x1100 [ 62.935125][ T6811] tun_chr_write_iter+0xba/0x151 [ 62.940095][ T6811] new_sync_write+0x422/0x650 [ 62.944780][ T6811] ? new_sync_read+0x6e0/0x6e0 [ 62.949639][ T6811] ? apparmor_file_permission+0x26e/0x4e0 [ 62.955362][ T6811] ? __up_read+0x1a1/0x7b0 [ 62.959771][ T6811] vfs_write+0x59d/0x6b0 [ 62.964003][ T6811] ksys_write+0x12d/0x250 [ 62.968320][ T6811] ? __ia32_sys_read+0xb0/0xb0 [ 62.973067][ T6811] ? lock_is_held_type+0xb0/0xe0 [ 62.977988][ T6811] ? do_syscall_64+0x1c/0xe0 [ 62.982577][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.988541][ T6811] do_syscall_64+0x60/0xe0 [ 62.992938][ T6811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.998815][ T6811] RIP: 0033:0x403d50 [ 63.002683][ T6811] Code: Bad RIP value. [ 63.006739][ T6811] RSP: 002b:00007ffe8fe93368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.015144][ T6811] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403d50 [ 63.023109][ T6811] RDX: 000000000000005e RSI: 00000000200007c0 RDI: 00000000000000f0 [ 63.031086][ T6811] RBP: 00007ffe8fe93390 R08: 0000000000000000 R09: 0000000000000000 [ 63.039050][ T6811] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8fe93380 [ 63.047026][ T6811] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.056094][ T6811] Kernel Offset: disabled [ 63.060422][ T6811] Rebooting in 86400 seconds..