[?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.
[    7.400459] audit: type=1400 audit(1513741323.091:6): avc:  denied  { map } for  pid=3105 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

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added 'ci-upstream-next-kasan-gce-5,10.128.0.60' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   14.631321] audit: type=1400 audit(1513741330.322:7): avc:  denied  { map } for  pid=3119 comm="syzkaller279078" path="/root/syzkaller279078847" 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
[   14.662022] ------------[ cut here ]------------
[   14.666825] kernel BUG at fs/userfaultfd.c:142!
[   14.671599] invalid opcode: 0000 [#1] SMP
[   14.675719] Dumping ftrace buffer:
[   14.679223]    (ftrace buffer empty)
[   14.682898] Modules linked in:
[   14.686057] CPU: 0 PID: 3126 Comm: syzkaller279078 Not tainted 4.15.0-rc3-next-20171214+ #67
[   14.694592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   14.703944] RIP: 0010:userfaultfd_ctx_get+0x6d/0x70
[   14.708923] RSP: 0000:ffffc9000112fc30 EFLAGS: 00010293
[   14.714249] RAX: ffff880210478480 RBX: 0000000000000000 RCX: ffffffff8147a98d
[   14.721494] RDX: 0000000000000000 RSI: 0000000000000200 RDI: ffff8802131a6c40
[   14.728729] RBP: ffffc9000112fc48 R08: 0000000000000000 R09: 0000000000000004
[   14.735975] R10: ffffc9000112fcc0 R11: 0000000000000004 R12: ffff8802131a6c40
[   14.743210] R13: ffff880213388540 R14: 0000000000000200 R15: 0000000000000000
[   14.750445] FS:  00007f367bbdf700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
[   14.758646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.764500] CR2: 0000000020687000 CR3: 000000021056b004 CR4: 00000000001606f0
[   14.771738] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   14.778983] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   14.786218] Call Trace:
[   14.788775]  handle_userfault+0xd3/0xa00
[   14.792812]  ? find_held_lock+0x35/0xa0
[   14.796760]  ? do_huge_pmd_anonymous_page+0x564/0x850
[   14.801915]  do_huge_pmd_anonymous_page+0x571/0x850
[   14.806905]  __handle_mm_fault+0xc37/0x1930
[   14.811195]  handle_mm_fault+0x215/0x450
[   14.815224]  __do_page_fault+0x337/0x6b0
[   14.819251]  do_page_fault+0x52/0x330
[   14.823021]  ? page_fault+0x36/0x60
[   14.826617]  page_fault+0x4c/0x60
[   14.830471] RIP: 0033:0x4453e5
[   14.833626] RSP: 002b:0000000020687000 EFLAGS: 00010217
[   14.838952] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000004453d9
[   14.846188] RDX: 0000000020b4c000 RSI: 0000000020687000 RDI: 0000000000000600
[   14.853424] RBP: 0000000000000000 R08: 00000000207a4f71 R09: 00007f367bbdf700
[   14.860663] R10: 0000000020552ffc R11: 0000000000000202 R12: 0000000000000000
[   14.867897] R13: 00007ffd68fafe1f R14: 00007f367bbdf9c0 R15: 0000000000000000
[   14.875134] Code: 5b 41 5c 41 5d 5d c3 e8 d2 f9 e3 ff 85 db 74 16 e8 c9 f9 e3 ff 8d 53 01 89 d8 f0 41 0f b1 55 00 89 c3 74 d7 eb e1 e8 b3 f9 e3 ff <0f> 0b 90 55 48 89 e5 53 48 89 fb e8 a3 f9 e3 ff 48 83 3d 73 bb 
[   14.894166] RIP: userfaultfd_ctx_get+0x6d/0x70 RSP: ffffc9000112fc30
[   14.900658] ---[ end trace 0cec0daa08391e72 ]---
[   14.905409] Kernel panic - not syncing: Fatal exception
[   14.911245] Dumping ftrace buffer:
[   14.914751]    (ftrace buffer empty)
[   14.918425] Kernel Offset: disabled
[   14.922016] Rebooting in 86400 seconds..