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 'ci-upstream-kasan-gce-9,10.128.0.47' (ECDSA) to the list of known hosts. 2017/10/30 07:39:12 parsed 1 programs 2017/10/30 07:39:12 executed programs: 0 2017/10/30 07:39:17 executed programs: 1049 syzkaller login: [ 40.828416] BUG: unable to handle kernel paging request at fffffbfffffffffe [ 40.829911] IP: devpts_mntget+0x135/0x280 [ 40.830973] PGD 21fff4067 P4D 21fff4067 PUD 21fff3067 PMD 21fff2067 PTE 0 [ 40.832669] Oops: 0000 [#1] SMP KASAN [ 40.833444] Dumping ftrace buffer: [ 40.833975] (ftrace buffer empty) [ 40.834516] Modules linked in: [ 40.834972] CPU: 1 PID: 7776 Comm: syz-executor3 Not tainted 4.14.0-rc6+ #153 [ 40.836657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.838633] task: ffff8801c2090680 task.stack: ffff8801c21c8000 [ 40.840060] RIP: 0010:devpts_mntget+0x135/0x280 [ 40.840994] RSP: 0018:ffff8801c21cfa50 EFLAGS: 00010a03 [ 40.841951] RAX: dffffc0000000000 RBX: ffffffffffffffed RCX: 1ffff100384121de [ 40.842926] RDX: 1ffffffffffffffe RSI: 0000000000000001 RDI: fffffffffffffff5 [ 40.843915] RBP: ffff8801c21cfae0 R08: 0000000000000001 R09: 1ffff10038439f05 [ 40.845459] R10: ffff8801c21cf760 R11: 0000000000000000 R12: 1ffff10038439f4a [ 40.846416] R13: ffff8801c21cfa70 R14: ffff8801c9d12e80 R15: ffff8801c21cfb20 [ 40.847385] FS: 00007fd2e63ce700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 40.848495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.849267] CR2: fffffbfffffffffe CR3: 00000001c3001000 CR4: 00000000001406e0 [ 40.856514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.863759] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.870997] Call Trace: [ 40.873562] ? devpts_fill_super+0xad0/0xad0 [ 40.877939] ? __alloc_fd+0x750/0x750 [ 40.881711] ptm_open_peer+0x11a/0x2f0 [ 40.885567] ? pty_unix98_install+0xa30/0xa30 [ 40.890045] tty_ioctl+0x50f/0x15f0 [ 40.893652] ? tty_vhangup+0x30/0x30 [ 40.897336] ? __lock_is_held+0xb6/0x140 [ 40.901378] ? check_same_owner+0x320/0x320 [ 40.905667] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.910129] ? task_work_run+0x1f4/0x270 [ 40.914171] ? tty_vhangup+0x30/0x30 [ 40.917849] do_vfs_ioctl+0x1b1/0x1520 [ 40.921705] ? ioctl_preallocate+0x2b0/0x2b0 [ 40.926080] ? selinux_capable+0x40/0x40 [ 40.930107] ? SyS_futex+0x269/0x390 [ 40.933792] ? security_file_ioctl+0x89/0xb0 [ 40.938179] SyS_ioctl+0x8f/0xc0 [ 40.941516] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 40.946235] RIP: 0033:0x452869 [ 40.949390] RSP: 002b:00007fd2e63cdbe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 40.957065] RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869 [ 40.964301] RDX: 00000000205f9000 RSI: 2000000000005441 RDI: 0000000000000000 [ 40.971537] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 40.978771] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f7790 [ 40.986011] R13: 00000000ffffffff R14: 00007fd2e63ce6d4 R15: 0000000000000000 [ 40.993261] Code: c1 ea 03 80 3c 02 00 0f 85 56 01 00 00 48 8b 5d 90 e8 90 54 a1 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 24 01 00 00 4c 8b 7b 08 48 b8 00 00 00 00 00 [ 41.012332] RIP: devpts_mntget+0x135/0x280 RSP: ffff8801c21cfa50 [ 41.018446] CR2: fffffbfffffffffe [ 41.021867] ---[ end trace ef235d0b44ec6ef0 ]--- [ 41.026585] Kernel panic - not syncing: Fatal exception [ 41.032308] Dumping ftrace buffer: [ 41.035813] (ftrace buffer empty) [ 41.039486] Kernel Offset: disabled [ 41.043076] Rebooting in 86400 seconds..