[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   32.699865] random: sshd: uninitialized urandom read (32 bytes read)
[   32.947593] kauditd_printk_skb: 10 callbacks suppressed
[   32.947601] audit: type=1400 audit(1563654671.472:35): avc:  denied  { map } for  pid=6907 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
[   33.005295] random: sshd: uninitialized urandom read (32 bytes read)
[   33.514069] random: sshd: uninitialized urandom read (32 bytes read)
[   33.712215] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts.
[   39.219798] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   39.342338] audit: type=1400 audit(1563654677.872:36): avc:  denied  { map } for  pid=6920 comm="syz-executor132" path="/root/syz-executor132896962" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   39.345308] BUG: unable to handle kernel paging request at fffffffc40001810
[   39.375700] IP: dummy_set_vf_spoofchk+0x7a/0xb0
[   39.380546] PGD 766d067 P4D 766d067 PUD 0 
[   39.384775] Oops: 0002 [#1] PREEMPT SMP KASAN
[   39.389481] Modules linked in:
[   39.392655] CPU: 0 PID: 6920 Comm: syz-executor132 Not tainted 4.14.133 #28
[   39.399743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.410781] task: ffff8880978f8200 task.stack: ffff888084040000
[   39.417395] RIP: 0010:dummy_set_vf_spoofchk+0x7a/0xb0
[   39.422608] RSP: 0018:ffff8880840472b0 EFLAGS: 00010246
[   39.427954] RAX: 0000000000000000 RBX: fffffffc40001800 RCX: 0000000000000000
[   39.435202] RDX: 0000000000000000 RSI: 00000000d8000100 RDI: fffffffc40001810
[   39.442471] RBP: ffff8880840472c8 R08: 1ffff11010808e99 R09: ffff8880840474c8
[   39.449805] R10: ffffed1010808ea5 R11: ffff88808404752f R12: ffff8880a19ee7c0
[   39.457063] R13: 0000000000000000 R14: ffff888084047610 R15: ffff8880928ac368
[   39.464684] FS:  0000000000726880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
[   39.472909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.478775] CR2: fffffffc40001810 CR3: 00000000969d1000 CR4: 00000000001406f0
[   39.486029] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.493368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.500635] Call Trace:
[   39.503211]  do_setlink+0x1834/0x2d50
[   39.507007]  ? dummy_set_vf_rate+0x110/0x110
[   39.511399]  ? rtnl_register+0x50/0x50
[   39.515269]  ? __lock_acquire+0x5f9/0x45e0
[   39.519481]  ? trace_hardirqs_on+0x10/0x10
[   39.523700]  ? trace_hardirqs_on+0x10/0x10
[   39.527930]  ? save_trace+0x290/0x290
[   39.531734]  ? __lock_acquire+0x5f9/0x45e0
[   39.535951]  ? find_held_lock+0x35/0x130
[   39.539992]  ? avc_has_perm_noaudit+0x28b/0x420
[   39.544672]  ? nla_parse+0x186/0x240
[   39.548363]  rtnl_setlink+0x225/0x320
[   39.552158]  ? do_setlink+0x2d50/0x2d50
[   39.556111]  ? lock_acquire+0x16f/0x430
[   39.560062]  ? rtnetlink_rcv_msg+0x33a/0xb70
[   39.564465]  ? do_setlink+0x2d50/0x2d50
[   39.568540]  rtnetlink_rcv_msg+0x3eb/0xb70
[   39.572778]  ? rtnl_bridge_getlink+0x7a0/0x7a0
[   39.577348]  ? trace_hardirqs_on+0x10/0x10
[   39.581577]  ? save_trace+0x290/0x290
[   39.585386]  netlink_rcv_skb+0x14f/0x3c0
[   39.589431]  ? rtnl_bridge_getlink+0x7a0/0x7a0
[   39.594254]  ? netlink_ack+0x9a0/0x9a0
[   39.598119]  ? lock_downgrade+0x6e0/0x6e0
[   39.602270]  rtnetlink_rcv+0x1d/0x30
[   39.606165]  netlink_unicast+0x45d/0x780
[   39.610212]  ? netlink_attachskb+0x6a0/0x6a0
[   39.614601]  ? security_netlink_send+0x81/0xb0
[   39.619164]  netlink_sendmsg+0x7c4/0xc60
[   39.623224]  ? netlink_unicast+0x780/0x780
[   39.627460]  ? security_socket_sendmsg+0x89/0xb0
[   39.632340]  ? netlink_unicast+0x780/0x780
[   39.636572]  sock_sendmsg+0xce/0x110
[   39.640277]  ___sys_sendmsg+0x70a/0x840
[   39.644227]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   39.649171]  ? dev_load+0x1b0/0x1b0
[   39.652783]  ? do_huge_pmd_anonymous_page+0x2fc/0x1470
[   39.658044]  ? sock_do_ioctl+0x93/0xb0
[   39.661910]  ? sock_do_ioctl+0x72/0xb0
[   39.665777]  ? sock_ioctl+0x178/0x470
[   39.669741]  ? __fget_light+0x172/0x1f0
[   39.673715]  ? __fdget+0x1b/0x20
[   39.677063]  ? sockfd_lookup_light+0xb4/0x160
[   39.681539]  __sys_sendmsg+0xb9/0x140
[   39.685329]  ? SyS_shutdown+0x170/0x170
[   39.689288]  ? security_file_ioctl+0x89/0xb0
[   39.693674]  SyS_sendmsg+0x2d/0x50
[   39.697242]  ? __sys_sendmsg+0x140/0x140
[   39.701300]  do_syscall_64+0x1e8/0x640
[   39.705687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   39.710544]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   39.715711] RIP: 0033:0x440259
[   39.718879] RSP: 002b:00007ffe8d9eb298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.726585] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440259
[   39.733857] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
[   39.741139] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   39.748511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ae0
[   39.756274] R13: 0000000000401b70 R14: 0000000000000000 R15: 0000000000000000
[   39.763549] Code: 48 8d 1c d0 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 16 <44> 88 6b 10 45 31 e4 e8 3a ad b8 fd 44 89 e0 5b 41 5c 41 5d 5d 
[   39.782641] RIP: dummy_set_vf_spoofchk+0x7a/0xb0 RSP: ffff8880840472b0
[   39.789285] CR2: fffffffc40001810
[   39.794157] ---[ end trace b75eaf0c40c178af ]---
[   39.798907] Kernel panic - not syncing: Fatal exception
[   39.808587] Kernel Offset: disabled
[   39.812222] Rebooting in 86400 seconds..