[....] Starting enhanced syslogd: rsyslogd[ 10.612989] audit: type=1400 audit(1514036508.877:5): avc: denied { syslog } for pid=2995 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 15.888071] audit: type=1400 audit(1514036514.152:6): avc: denied { map } for pid=3135 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-mmots-kasan-gce-8,10.128.15.202' (ECDSA) to the list of known hosts. [ 22.034004] audit: type=1400 audit(1514036520.298:7): avc: denied { map } for pid=3149 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/23 13:42:00 parsed 1 programs 2017/12/23 13:42:00 executed programs: 0 [ 22.141647] audit: type=1400 audit(1514036520.406:8): avc: denied { map } for pid=3149 comm="syz-execprog" path="/root/syzkaller-shm640440248" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 22.224192] BUG: unable to handle kernel paging request at fffffffffffffff5 [ 22.231361] IP: devpts_mntget+0x13f/0x280 [ 22.235475] PGD 6425067 P4D 6425067 PUD 6427067 PMD 0 [ 22.240733] Oops: 0000 [#1] SMP KASAN [ 22.244504] Dumping ftrace buffer: [ 22.248007] (ftrace buffer empty) [ 22.251684] Modules linked in: [ 22.254847] CPU: 0 PID: 3179 Comm: syz-executor5 Not tainted 4.15.0-rc4-mm1+ #49 [ 22.262355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.271688] RIP: 0010:devpts_mntget+0x13f/0x280 [ 22.276322] RSP: 0018:ffff8801d2067a50 EFLAGS: 00010246 [ 22.281663] RAX: dffffc0000000000 RBX: ffffffffffffffed RCX: ffffffff81d37b30 [ 22.288902] RDX: 1ffffffffffffffe RSI: 0000000000000001 RDI: fffffffffffffff5 [ 22.296141] RBP: ffff8801d2067ae0 R08: 0000000000000000 R09: 1ffff1003a40cf05 [ 22.303387] R10: ffff8801d2067760 R11: 0000000000000000 R12: 1ffff1003a40cf4a [ 22.310624] R13: ffff8801d2067a70 R14: ffff8801c39a7100 R15: ffff8801d2067b20 [ 22.317868] FS: 00007fec11d50700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 22.326063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.331911] CR2: fffffffffffffff5 CR3: 00000001c8e19005 CR4: 00000000001606f0 [ 22.339160] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.346396] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.353635] Call Trace: [ 22.356199] ? devpts_fill_super+0xad0/0xad0 [ 22.360576] ? __alloc_fd+0x750/0x750 [ 22.364348] ptm_open_peer+0x11a/0x2f0 [ 22.368203] ? pty_unix98_install+0xa30/0xa30 [ 22.372671] tty_ioctl+0x517/0x1610 [ 22.376264] ? tty_vhangup+0x30/0x30 [ 22.379948] ? __lock_is_held+0xb6/0x140 [ 22.383990] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 22.389837] ? trace_hardirqs_on+0xd/0x10 [ 22.393952] ? _raw_spin_unlock_irq+0x27/0x70 [ 22.398417] ? rcu_note_context_switch+0x710/0x710 [ 22.403314] ? tty_vhangup+0x30/0x30 [ 22.406996] do_vfs_ioctl+0x1b1/0x1520 [ 22.410862] ? _cond_resched+0x14/0x30 [ 22.414726] ? ioctl_preallocate+0x2b0/0x2b0 [ 22.419104] ? selinux_capable+0x40/0x40 [ 22.423136] ? SyS_futex+0x269/0x390 [ 22.426822] ? security_file_ioctl+0x89/0xb0 [ 22.431195] SyS_ioctl+0x8f/0xc0 [ 22.434530] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 22.439251] RIP: 0033:0x452ac9 [ 22.442416] RSP: 002b:00007fec11d4fc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 22.450089] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 22.457325] RDX: 0000000000000003 RSI: 0000000000005441 RDI: 0000000000000003 [ 22.464562] RBP: 00000000000005d3 R08: 0000000000000000 R09: 0000000000000000 [ 22.471798] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f5c68 [ 22.479044] R13: 00000000ffffffff R14: 00007fec11d506d4 R15: 0000000000000000 [ 22.486288] Code: 01 00 00 48 8b 5d 90 e8 90 b8 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 [ 22.505371] RIP: devpts_mntget+0x13f/0x280 RSP: ffff8801d2067a50 [ 22.511500] CR2: fffffffffffffff5 [ 22.514926] ---[ end trace a69af0ddd87868ed ]--- [ 22.519646] Kernel panic - not syncing: Fatal exception [ 22.525322] Dumping ftrace buffer: [ 22.528833] (ftrace buffer empty) [ 22.532513] Kernel Offset: disabled [ 22.536110] Rebooting in 86400 seconds..