[....] Starting enhanced syslogd: rsyslogd[    6.054154] audit: type=1400 audit(1513347004.022:5): avc:  denied  { syslog } for  pid=2961 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: [   12.922089] audit: type=1400 audit(1513347010.889:6): avc:  denied  { map } for  pid=3100 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-1,10.128.15.192' (ECDSA) to the list of known hosts.
executing program
[   18.761731] audit: type=1400 audit(1513347016.729:7): avc:  denied  { map } for  pid=3114 comm="syzkaller287697" path="/root/syzkaller287697009" 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
[   18.775115] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[   18.776227] IP: scatterwalk_copychunks+0x16e/0x200
[   18.776899] PGD 213953067 P4D 213953067 PUD 216b8d067 PMD 0 
[   18.777679] Oops: 0000 [#1] SMP
[   18.778119] Dumping ftrace buffer:
[   18.778609]    (ftrace buffer empty)
[   18.779101] Modules linked in:
[   18.779539] CPU: 0 PID: 3114 Comm: syzkaller287697 Not tainted 4.15.0-rc3-next-20171214+ #67
[   18.780721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   18.782569] RIP: 0010:scatterwalk_copychunks+0x16e/0x200
[   18.788501] RSP: 0018:ffffc9000187b790 EFLAGS: 00010293
[   18.795430] RAX: 0000000000000000 RBX: 00000000000000b5 RCX: ffffffff81739c3b
[   18.804402] RDX: 0000000000000000 RSI: ffff88020cb2f0ae RDI: ffff880214223b50
[   18.811665] RBP: ffffc9000187b7c8 R08: 000000000002c0c8 R09: 0000000000000000
[   18.821859] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000000b5
[   18.829895] R13: ffff880214223b50 R14: 0000000000000001 R15: ffffc9000187b8d0
[   18.837135] FS:  00000000025e7880(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
[   18.845334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.851180] CR2: 0000000000000008 CR3: 0000000214f24000 CR4: 00000000001406f0
[   18.858417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   18.865651] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   18.872886] Call Trace:
[   18.875441]  blkcipher_walk_next+0x4c0/0x590
[   18.879814]  blkcipher_walk_done+0x1a8/0x360
[   18.884188]  glue_ctr_crypt_128bit+0x1ef/0x390
[   18.888744]  ? __kernel_fpu_end+0x37/0xb0
[   18.892860]  ctr_crypt+0x34/0x40
[   18.896191]  ? ctr_crypt+0x34/0x40
[   18.899695]  __ablk_encrypt+0x43/0x50
[   18.903461]  ablk_encrypt+0xd9/0xf0
[   18.907052]  skcipher_decrypt_ablkcipher+0x6d/0x70
[   18.911943]  poly_tail_continue+0x128/0x170
[   18.916230]  poly_tail+0x128/0x160
[   18.919732]  poly_cipherpad+0x126/0x160
[   18.923669]  poly_cipher+0xb9/0xd0
[   18.927174]  poly_adpad+0x126/0x160
[   18.930763]  poly_ad+0x7d/0x90
[   18.933918]  poly_setkey+0x107/0x130
[   18.937595]  poly_init+0x5a/0x70
[   18.940925]  poly_genkey+0x181/0x1c0
[   18.944613]  chachapoly_encrypt+0x10c/0x130
[   18.948899]  aead_recvmsg+0x758/0x8c0
[   18.952675]  sock_recvmsg+0x4d/0x70
[   18.956269]  ? kernel_sendmsg_locked+0xb0/0xb0
[   18.960815]  ___sys_recvmsg+0x118/0x2b0
[   18.964760]  ? find_held_lock+0x35/0xa0
[   18.968696]  ? __fget_light+0x64/0xa0
[   18.972460]  ? __fdget+0x18/0x20
[   18.975791]  __sys_recvmsg+0x4d/0x90
[   18.979475]  ? __sys_recvmsg+0x4d/0x90
[   18.983331]  SyS_recvmsg+0x2d/0x50
[   18.986834]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   18.991553] RIP: 0033:0x4400f9
[   18.994707] RSP: 002b:00007fff8796bc98 EFLAGS: 00000203 ORIG_RAX: 000000000000002f
[   19.002377] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004400f9
[   19.009618] RDX: 0000000000000002 RSI: 00000000208e1000 RDI: 0000000000000004
[   19.016861] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
[   19.024094] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000401a60
[   19.031328] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000
[   19.038572] Code: 4d 8b 2f 4c 01 65 c8 4d 29 e6 45 8b 65 0c 45 03 65 08 44 39 e3 0f 82 d4 fe ff ff e8 bd 25 c4 ff 4c 89 ef e8 85 1e 0c 00 49 89 07 <8b> 58 08 49 89 c5 41 89 5f 08 44 8b 60 0c 44 03 60 08 e9 ad fe 
[   19.057612] RIP: scatterwalk_copychunks+0x16e/0x200 RSP: ffffc9000187b790
[   19.064497] CR2: 0000000000000008
[   19.067914] ---[ end trace 5f0cf2042d21e07b ]---
[   19.072629] Kernel panic - not syncing: Fatal exception
[   19.078777] Dumping ftrace buffer:
[   19.082285]    (ftrace buffer empty)
[   19.085960] Kernel Offset: disabled
[   19.089551] Rebooting in 86400 seconds..