[....] Starting enhanced syslogd: rsyslogd[ 10.347139] audit: type=1400 audit(1514077475.139:5): avc: denied { syslog } for pid=2987 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 12.505897] audit: type=1400 audit(1514077477.298:6): avc: denied { map } for pid=3127 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added 'ci-upstream-next-kasan-gce-1,10.128.0.4' (ECDSA) to the list of known hosts. executing program executing program [ 18.709393] audit: type=1400 audit(1514077483.502:7): avc: denied { map } for pid=3141 comm="syzkaller146318" path="/root/syzkaller146318235" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 18.777922] BUG: unable to handle kernel paging request at fffffffffffffff5 [ 18.785062] IP: devpts_mntget+0x13f/0x280 [ 18.789176] PGD 6425067 P4D 6425067 PUD 6427067 PMD 0 [ 18.794436] Oops: 0000 [#1] SMP KASAN [ 18.798204] Dumping ftrace buffer: [ 18.801711] (ftrace buffer empty) [ 18.805391] Modules linked in: [ 18.808560] CPU: 1 PID: 3149 Comm: syzkaller146318 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 18.817110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.826452] RIP: 0010:devpts_mntget+0x13f/0x280 [ 18.831093] RSP: 0018:ffff8801c848fa50 EFLAGS: 00010246 [ 18.836435] RAX: dffffc0000000000 RBX: ffffffffffffffed RCX: ffffffff81d36ea0 [ 18.843688] RDX: 1ffffffffffffffe RSI: 0000000000000001 RDI: fffffffffffffff5 [ 18.850952] RBP: ffff8801c848fae0 R08: ffffffff86412740 R09: 1ffff10039091f05 [ 18.858192] R10: ffff8801c848f760 R11: 0000000000000000 R12: 1ffff10039091f4a [ 18.865603] R13: ffff8801c848fa70 R14: ffff8801c3eca480 R15: ffff8801c848fb20 [ 18.872878] FS: 00007fddf7f0f700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 18.881082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.886950] CR2: fffffffffffffff5 CR3: 00000001c91ac005 CR4: 00000000001606e0 [ 18.894199] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.901437] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.908685] Call Trace: [ 18.911249] ? devpts_fill_super+0xad0/0xad0 [ 18.915623] ? __alloc_fd+0x750/0x750 [ 18.919413] ptm_open_peer+0x11a/0x2f0 [ 18.923270] ? pty_unix98_install+0xa30/0xa30 [ 18.927739] tty_ioctl+0x517/0x1610 [ 18.931334] ? tty_vhangup+0x30/0x30 [ 18.935031] ? __lock_is_held+0xb6/0x140 [ 18.939079] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 18.944933] ? rcu_note_context_switch+0x710/0x710 [ 18.949836] ? tty_vhangup+0x30/0x30 [ 18.953517] do_vfs_ioctl+0x1b1/0x1520 [ 18.957373] ? _cond_resched+0x14/0x30 [ 18.961243] ? ioctl_preallocate+0x2b0/0x2b0 [ 18.965622] ? selinux_capable+0x40/0x40 [ 18.969666] ? perf_trace_lock_acquire+0x971/0x980 [ 18.974586] ? syscall_return_slowpath+0x2ad/0x550 [ 18.979489] ? security_file_ioctl+0x89/0xb0 [ 18.983878] SyS_ioctl+0x8f/0xc0 [ 18.987215] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 18.991939] RIP: 0033:0x445cc9 [ 18.995104] RSP: 002b:00007fddf7f0eda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 19.002776] RAX: ffffffffffffffda RBX: 00007fddf7f0f700 RCX: 0000000000445cc9 [ 19.010018] RDX: 0000000000000000 RSI: 0000000000005441 RDI: 0000000000000004 [ 19.017256] RBP: 00007fff5ecdaae0 R08: 00007fddf7f0f700 R09: 0000000000000000 [ 19.024491] R10: 00007fddf7f0f700 R11: 0000000000000246 R12: 0000000000000000 [ 19.031725] R13: 00007fff5ecdaa3f R14: 00007fddf7f0f9c0 R15: 0000000000000005 [ 19.038972] Code: 01 00 00 48 8b 5d 90 e8 40 c4 9c 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 fc ff df 49 8d bf 80 06 00 00 [ 19.058078] RIP: devpts_mntget+0x13f/0x280 RSP: ffff8801c848fa50 [ 19.064186] CR2: fffffffffffffff5 [ 19.067608] ---[ end trace df143ceb13d7885d ]--- [ 19.072328] Kernel panic - not syncing: Fatal exception [ 19.078038] Dumping ftrace buffer: [ 19.081544] (ftrace buffer empty) [ 19.085218] Kernel Offset: disabled [ 19.088812] Rebooting in 86400 seconds..