INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts. 2018/04/16 02:12:51 parsed 1 programs 2018/04/16 02:12:51 executed programs: 0 syzkaller login: [ 29.461551] IPVS: ftp: loaded support on port[0] = 21 [ 29.472911] IPVS: ftp: loaded support on port[0] = 21 [ 29.488063] IPVS: ftp: loaded support on port[0] = 21 [ 29.489882] IPVS: ftp: loaded support on port[0] = 21 [ 29.518189] IPVS: ftp: loaded support on port[0] = 21 [ 29.527839] IPVS: ftp: loaded support on port[0] = 21 [ 29.537280] IPVS: ftp: loaded support on port[0] = 21 [ 29.557829] IPVS: ftp: loaded support on port[0] = 21 [ 29.720362] kasan: CONFIG_KASAN_INLINE enabled [ 29.725207] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.732653] general protection fault: 0000 [#1] SMP KASAN [ 29.738181] Dumping ftrace buffer: [ 29.741704] (ftrace buffer empty) [ 29.745403] Modules linked in: [ 29.748596] CPU: 0 PID: 4502 Comm: syz-executor4 Not tainted 4.16.0+ #1 [ 29.755329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.764679] RIP: 0010:nla_memcpy+0x2c/0xb0 [ 29.768902] RSP: 0018:ffff8801ae0ff248 EFLAGS: 00010246 [ 29.774247] RAX: dffffc0000000000 RBX: ffff8801ae0ff468 RCX: ffffed0035c1fe59 [ 29.781497] RDX: 0000000000000000 RSI: ffffffff8348a2cb RDI: ffff8801ae0ff2c8 [ 29.788746] RBP: ffff8801ae0ff270 R08: ffffed0035c1fe61 R09: ffff8801ae0ff30c [ 29.795997] R10: ffffed0035c1fe61 R11: ffff8801ae0ff30f R12: 0000000000000008 [ 29.803252] R13: ffff8801ae0ff2c8 R14: ffff8801af0600c0 R15: 0000000000000000 [ 29.810522] FS: 00007f7deffdb700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 29.818728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.824592] CR2: 0000000020000040 CR3: 00000001c5afb000 CR4: 00000000001406f0 [ 29.831847] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.839099] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.846355] Call Trace: [ 29.848933] __tipc_nl_net_set+0x93b/0xd40 [ 29.853155] ? tipc_nl_net_dump+0xe20/0xe20 [ 29.857460] ? genl_rcv_msg+0x13a/0x170 [ 29.861425] ? __lock_acquire+0x7f5/0x5140 [ 29.865648] ? mutex_trylock+0x2a0/0x2a0 [ 29.869696] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 29.874879] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 29.879879] ? validate_nla+0x2d9/0x7b0 [ 29.883853] tipc_nl_net_set+0x22/0x30 [ 29.887724] genl_family_rcv_msg+0x889/0x1120 [ 29.892203] ? genl_rcv+0x40/0x40 [ 29.895641] ? lock_downgrade+0x8e0/0x8e0 [ 29.899775] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 29.904777] ? kasan_check_read+0x11/0x20 [ 29.908914] ? lock_acquire+0x1dc/0x520 [ 29.912873] ? genl_rcv+0x19/0x40 [ 29.916317] genl_rcv_msg+0xc6/0x170 [ 29.920018] netlink_rcv_skb+0x172/0x440 [ 29.924079] ? genl_family_rcv_msg+0x1120/0x1120 [ 29.928820] ? netlink_ack+0xbc0/0xbc0 [ 29.932689] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 29.937863] ? netlink_skb_destructor+0x210/0x210 [ 29.942689] genl_rcv+0x28/0x40 [ 29.945954] netlink_unicast+0x58b/0x740 [ 29.950000] ? netlink_attachskb+0x970/0x970 [ 29.954397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.959916] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 29.964919] ? security_netlink_send+0x88/0xb0 [ 29.969484] netlink_sendmsg+0x9f0/0xfa0 [ 29.973536] ? netlink_unicast+0x740/0x740 [ 29.977756] ? security_socket_sendmsg+0x94/0xc0 [ 29.982498] ? netlink_unicast+0x740/0x740 [ 29.986715] sock_sendmsg+0xd5/0x120 [ 29.990413] ___sys_sendmsg+0x805/0x940 [ 29.994368] ? copy_msghdr_from_user+0x560/0x560 [ 29.999109] ? lock_downgrade+0x8e0/0x8e0 [ 30.003243] ? __fget_light+0x2ef/0x430 [ 30.007201] ? fget_raw+0x20/0x20 [ 30.010640] ? __fd_install+0x2de/0x880 [ 30.014597] ? get_unused_fd_flags+0x190/0x190 [ 30.019163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.024682] ? sockfd_lookup_light+0xc5/0x160 [ 30.029157] __sys_sendmsg+0x115/0x270 [ 30.033029] ? SyS_shutdown+0x30/0x30 [ 30.036818] ? SyS_futex+0x3a4/0x56d [ 30.040511] ? fd_install+0x4d/0x60 [ 30.044129] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 30.048693] SyS_sendmsg+0x29/0x30 [ 30.052219] ? __sys_sendmsg+0x270/0x270 [ 30.056263] do_syscall_64+0x29e/0x9d0 [ 30.060133] ? vmalloc_sync_all+0x30/0x30 [ 30.064265] ? _raw_spin_unlock_irq+0x27/0x70 [ 30.068741] ? finish_task_switch+0x1ca/0x810 [ 30.073221] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.078136] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.083050] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 30.088400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.093227] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 30.098399] RIP: 0033:0x455319 [ 30.101574] RSP: 002b:00007f7deffdac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.109266] RAX: ffffffffffffffda RBX: 00007f7deffdb6d4 RCX: 0000000000455319 [ 30.116518] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 30.123766] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 30.131019] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 30.138280] R13: 00000000000004ef R14: 00000000006fa708 R15: 0000000000000000 [ 30.145535] Code: 48 89 e5 41 57 49 89 f7 41 56 41 55 49 89 fd 41 54 41 89 d4 53 e8 a5 86 2e fe 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f8 83 e0 07 83 c0 01 38 d0 7c 04 84 d2 75 58 [ 30.164729] RIP: nla_memcpy+0x2c/0xb0 RSP: ffff8801ae0ff248 [ 30.170490] ---[ end trace a6c33a5626bdbdc3 ]--- [ 30.175265] Kernel panic - not syncing: Fatal exception [ 30.181171] Dumping ftrace buffer: [ 30.184693] (ftrace buffer empty) [ 30.188376] Kernel Offset: disabled [ 30.191980] Rebooting in 86400 seconds..