[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   19.419154] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   22.218855] random: sshd: uninitialized urandom read (32 bytes read)
[   22.631120] random: sshd: uninitialized urandom read (32 bytes read)
[   23.510059] random: sshd: uninitialized urandom read (32 bytes read)
[   23.666255] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts.
[   29.111700] random: sshd: uninitialized urandom read (32 bytes read)
2018/07/28 01:46:17 parsed 1 programs
[   30.259671] random: cc1: uninitialized urandom read (8 bytes read)
2018/07/28 01:46:19 executed programs: 0
[   31.501961] IPVS: ftp: loaded support on port[0] = 21
[   31.689881] bridge0: port 1(bridge_slave_0) entered blocking state
[   31.696335] bridge0: port 1(bridge_slave_0) entered disabled state
[   31.703751] device bridge_slave_0 entered promiscuous mode
[   31.719501] bridge0: port 2(bridge_slave_1) entered blocking state
[   31.725864] bridge0: port 2(bridge_slave_1) entered disabled state
[   31.732878] device bridge_slave_1 entered promiscuous mode
[   31.747533] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   31.763178] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   31.802380] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   31.819970] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   31.878141] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   31.885567] team0: Port device team_slave_0 added
[   31.900085] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   31.907278] team0: Port device team_slave_1 added
[   31.921571] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   31.938217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   31.954813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   31.971146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   32.082546] bridge0: port 2(bridge_slave_1) entered blocking state
[   32.089057] bridge0: port 2(bridge_slave_1) entered forwarding state
[   32.095898] bridge0: port 1(bridge_slave_0) entered blocking state
[   32.102288] bridge0: port 1(bridge_slave_0) entered forwarding state
[   32.495336] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[   32.501451] 8021q: adding VLAN 0 to HW filter on device bond0
[   32.542756] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   32.584251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   32.592504] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   32.628891] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   32.634993] 8021q: adding VLAN 0 to HW filter on device team0
[   32.641327] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   32.893295] ------------[ cut here ]------------
[   32.898257] Bad or missing usercopy whitelist? Kernel memory exposure attempt detected from SLAB object 'kvm_vcpu' (offset 23192, size 8)!
[   32.910989] WARNING: CPU: 0 PID: 4678 at mm/usercopy.c:81 usercopy_warn+0xf5/0x120
[   32.918698] Kernel panic - not syncing: panic_on_warn set ...
[   32.918698] 
[   32.926064] CPU: 0 PID: 4678 Comm: syz-executor0 Not tainted 4.18.0-rc6+ #165
[   32.933360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.9426