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 '10.128.0.45' (ECDSA) to the list of known hosts. 2018/04/16 19:09:37 parsed 1 programs 2018/04/16 19:09:37 executed programs: 0 syzkaller login: [ 31.248583] IPVS: ftp: loaded support on port[0] = 21 [ 31.253360] IPVS: ftp: loaded support on port[0] = 21 [ 31.274342] IPVS: ftp: loaded support on port[0] = 21 [ 31.280426] IPVS: ftp: loaded support on port[0] = 21 [ 31.303250] IPVS: ftp: loaded support on port[0] = 21 [ 31.337226] IPVS: ftp: loaded support on port[0] = 21 [ 31.339829] IPVS: ftp: loaded support on port[0] = 21 [ 31.343005] IPVS: ftp: loaded support on port[0] = 21 [ 31.353949] kasan: CONFIG_KASAN_INLINE enabled [ 31.358694] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 31.366082] general protection fault: 0000 [#1] SMP KASAN [ 31.372035] Dumping ftrace buffer: [ 31.375549] (ftrace buffer empty) [ 31.379235] Modules linked in: [ 31.382413] CPU: 0 PID: 4499 Comm: syz-executor3 Not tainted 4.16.0+ #2 [ 31.389141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.398481] RIP: 0010:nla_memcpy+0x2c/0xb0 [ 31.402690] RSP: 0018:ffff8801b1a37248 EFLAGS: 00010246 [ 31.408030] RAX: dffffc0000000000 RBX: ffff8801b1a37468 RCX: ffffed0036346e59 [ 31.415277] RDX: 0000000000000000 RSI: ffffffff8348a2cb RDI: ffff8801b1a372c8 [ 31.422525] RBP: ffff8801b1a37270 R08: ffffed0036346e61 R09: ffff8801b1a3730c [ 31.429773] R10: ffffed0036346e61 R11: ffff8801b1a3730f R12: 0000000000000008 [ 31.437025] R13: ffff8801b1a372c8 R14: ffff8801b151c040 R15: 0000000000000000 [ 31.444272] FS: 00007fb56dd20700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 31.452476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.458336] CR2: 0000000000625208 CR3: 00000001b14eb000 CR4: 00000000001406f0 [ 31.465585] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.472838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.480082] Call Trace: [ 31.482659] __tipc_nl_net_set+0x93b/0xd40 [ 31.486873] ? tipc_nl_net_dump+0xe20/0xe20 [ 31.491173] ? genl_rcv_msg+0x13a/0x170 [ 31.495126] ? __lock_acquire+0x7f5/0x5140 [ 31.499339] ? mutex_trylock+0x2a0/0x2a0 [ 31.503385] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 31.508552] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 31.513546] ? validate_nla+0x2d9/0x7b0 [ 31.517507] tipc_nl_net_set+0x22/0x30 [ 31.521371] genl_family_rcv_msg+0x889/0x1120 [ 31.525845] ? genl_rcv+0x40/0x40 [ 31.529280] ? lock_downgrade+0x8e0/0x8e0 [ 31.533407] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 31.538401] ? kasan_check_read+0x11/0x20 [ 31.542523] ? lock_acquire+0x1dc/0x520 [ 31.546477] ? genl_rcv+0x19/0x40 [ 31.549909] genl_rcv_msg+0xc6/0x170 [ 31.553601] netlink_rcv_skb+0x172/0x440 [ 31.557648] ? genl_family_rcv_msg+0x1120/0x1120 [ 31.562384] ? netlink_ack+0xbc0/0xbc0 [ 31.566251] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.571416] ? netlink_skb_destructor+0x210/0x210 [ 31.576236] genl_rcv+0x28/0x40 [ 31.579493] netlink_unicast+0x58b/0x740 [ 31.583534] ? netlink_attachskb+0x970/0x970 [ 31.587920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.593438] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 31.598436] ? security_netlink_send+0x88/0xb0 [ 31.602995] netlink_sendmsg+0x9f0/0xfa0 [ 31.607035] ? netlink_unicast+0x740/0x740 [ 31.611257] ? security_socket_sendmsg+0x94/0xc0 [ 31.615993] ? netlink_unicast+0x740/0x740 [ 31.620213] sock_sendmsg+0xd5/0x120 [ 31.623903] ___sys_sendmsg+0x805/0x940 [ 31.627857] ? copy_msghdr_from_user+0x560/0x560 [ 31.632592] ? lock_downgrade+0x8e0/0x8e0 [ 31.636721] ? __fget_light+0x2ef/0x430 [ 31.640672] ? fget_raw+0x20/0x20 [ 31.644113] ? __fd_install+0x2de/0x880 [ 31.648064] ? get_unused_fd_flags+0x190/0x190 [ 31.652628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.658151] ? sockfd_lookup_light+0xc5/0x160 [ 31.662626] __sys_sendmsg+0x115/0x270 [ 31.666491] ? SyS_shutdown+0x30/0x30 [ 31.670272] ? SyS_futex+0x3a4/0x56d [ 31.674050] ? fd_install+0x4d/0x60 [ 31.677742] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 31.682306] SyS_sendmsg+0x29/0x30 [ 31.685824] ? __sys_sendmsg+0x270/0x270 [ 31.689861] do_syscall_64+0x29e/0x9d0 [ 31.693727] ? vmalloc_sync_all+0x30/0x30 [ 31.697866] ? _raw_spin_unlock_irq+0x27/0x70 [ 31.702346] ? finish_task_switch+0x1ca/0x810 [ 31.706817] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.711723] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.716630] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 31.721979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.726798] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.731963] RIP: 0033:0x455319 [ 31.735128] RSP: 002b:00007fb56dd1fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.742812] RAX: ffffffffffffffda RBX: 00007fb56dd206d4 RCX: 0000000000455319 [ 31.750059] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 31.757308] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 31.764639] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 31.771889] R13: 00000000000004ef R14: 00000000006fa708 R15: 0000000000000000 [ 31.779139] 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 [ 31.798278] RIP: nla_memcpy+0x2c/0xb0 RSP: ffff8801b1a37248 [ 31.804019] ---[ end trace e092341edb3efec5 ]--- [ 31.808766] Kernel panic - not syncing: Fatal exception [ 31.814495] Dumping ftrace buffer: [ 31.818008] (ftrace buffer empty) [ 31.821694] Kernel Offset: disabled [ 31.825304] Rebooting in 86400 seconds..