[ 11.744247] audit: type=1400 audit(1513989589.646:5): avc: denied { syslog } for pid=2985 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [....] Starting enhanced syslogd: rsyslogd[?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: [ 17.262753] audit: type=1400 audit(1513989595.165:6): avc: denied { map } for pid=3133 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-kasan-gce-3,10.128.15.196' (ECDSA) to the list of known hosts. executing program [ 23.502548] audit: type=1400 audit(1513989601.405:7): avc: denied { map } for pid=3147 comm="syzkaller741191" path="/root/syzkaller741191674" 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 [ 23.538588] BUG: unable to handle kernel paging request at fffffffffffffff5 [ 23.545789] IP: devpts_mntget+0x13f/0x280 [ 23.549931] PGD 5e25067 P4D 5e25067 PUD 5e27067 PMD 0 [ 23.555195] Oops: 0000 [#1] SMP KASAN [ 23.558991] Dumping ftrace buffer: [ 23.562510] (ftrace buffer empty) [ 23.566194] Modules linked in: [ 23.569374] CPU: 1 PID: 3150 Comm: syzkaller741191 Not tainted 4.15.0-rc4+ #234 [ 23.576784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.586114] RIP: 0010:devpts_mntget+0x13f/0x280 [ 23.590755] RSP: 0018:ffff8801c8cb7a50 EFLAGS: 00010246 [ 23.596085] RAX: dffffc0000000000 RBX: ffffffffffffffed RCX: ffffffff81d22440 [ 23.603320] RDX: 1ffffffffffffffe RSI: 0000000000000001 RDI: fffffffffffffff5 [ 23.610563] RBP: ffff8801c8cb7ae0 R08: ffffffff85e12740 R09: 1ffff10039196f05 [ 23.617802] R10: ffff8801c8cb7760 R11: 0000000000000000 R12: 1ffff10039196f4a [ 23.625038] R13: ffff8801c8cb7a70 R14: ffff8801c3656400 R15: ffff8801c8cb7b20 [ 23.632274] FS: 00007f8e8960c700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 23.640465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.646323] CR2: fffffffffffffff5 CR3: 00000001c865a004 CR4: 00000000001606e0 [ 23.653559] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.660808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.668044] Call Trace: [ 23.670610] ? devpts_fill_super+0xad0/0xad0 [ 23.674988] ? __alloc_fd+0x750/0x750 [ 23.678765] ptm_open_peer+0x11a/0x2f0 [ 23.682621] ? pty_unix98_install+0xa30/0xa30 [ 23.687088] tty_ioctl+0x517/0x1610 [ 23.690683] ? tty_vhangup+0x30/0x30 [ 23.694364] ? __lock_is_held+0xb6/0x140 [ 23.698409] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.704267] ? rcu_note_context_switch+0x710/0x710 [ 23.709168] ? tty_vhangup+0x30/0x30 [ 23.712849] do_vfs_ioctl+0x1b1/0x1520 [ 23.716707] ? _cond_resched+0x14/0x30 [ 23.720564] ? ioctl_preallocate+0x2b0/0x2b0 [ 23.724942] ? selinux_capable+0x40/0x40 [ 23.728970] ? register_lock_class+0x1e01/0x2cd0 [ 23.733699] ? syscall_return_slowpath+0x2ad/0x550 [ 23.738601] ? security_file_ioctl+0x89/0xb0 [ 23.742981] SyS_ioctl+0x8f/0xc0 [ 23.746325] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.751045] RIP: 0033:0x445619 [ 23.754201] RSP: 002b:00007f8e8960bda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.761873] RAX: ffffffffffffffda RBX: 00007f8e8960c700 RCX: 0000000000445619 [ 23.769118] RDX: 0000000000000000 RSI: 0000000000005441 RDI: 0000000000000004 [ 23.776365] RBP: 00007ffc3eeefe40 R08: 00007f8e8960c700 R09: 0000000000000000 [ 23.783624] R10: 00007f8e8960c700 R11: 0000000000000246 R12: 0000000000000000 [ 23.790882] R13: 00007ffc3eeefd9f R14: 00007f8e8960c9c0 R15: 0000000000000005 [ 23.798134] Code: 01 00 00 48 8b 5d 90 e8 50 c5 9d 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 [ 23.817228] RIP: devpts_mntget+0x13f/0x280 RSP: ffff8801c8cb7a50 [ 23.823337] CR2: fffffffffffffff5 [ 23.826765] ---[ end trace f0f360a47cdabe10 ]--- [ 23.831485] Kernel panic - not syncing: Fatal exception [ 23.837259] Dumping ftrace buffer: [ 23.840773] (ftrace buffer empty) [ 23.844457] Kernel Offset: disabled [ 23.848059] Rebooting in 86400 seconds..