[....] Starting OpenBSD Secure Shell server: sshd[   19.466619] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.
[   19.693541] random: sshd: uninitialized urandom read (32 bytes read)
[   20.072586] random: sshd: uninitialized urandom read (32 bytes read)

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   20.935695] sshd (4366) used greatest stack depth: 17144 bytes left
[   20.951834] random: sshd: uninitialized urandom read (32 bytes read)
[   21.111245] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts.
[   26.567809] random: sshd: uninitialized urandom read (32 bytes read)
2018/07/28 01:47:43 parsed 1 programs
[   27.850997] random: cc1: uninitialized urandom read (8 bytes read)
2018/07/28 01:47:45 executed programs: 0
[   29.098561] IPVS: ftp: loaded support on port[0] = 21
[   29.292006] bridge0: port 1(bridge_slave_0) entered blocking state
[   29.298536] bridge0: port 1(bridge_slave_0) entered disabled state
[   29.305900] device bridge_slave_0 entered promiscuous mode
[   29.321827] bridge0: port 2(bridge_slave_1) entered blocking state
[   29.328210] bridge0: port 2(bridge_slave_1) entered disabled state
[   29.335375] device bridge_slave_1 entered promiscuous mode
[   29.351069] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   29.366694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   29.407436] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   29.425407] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   29.487846] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   29.495182] team0: Port device team_slave_0 added
[   29.509799] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   29.516940] team0: Port device team_slave_1 added
[   29.531744] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   29.548961] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   29.566822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   29.584303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   29.699691] bridge0: port 2(bridge_slave_1) entered blocking state
[   29.706141] bridge0: port 2(bridge_slave_1) entered forwarding state
[   29.713127] bridge0: port 1(bridge_slave_0) entered blocking state
[   29.719489] bridge0: port 1(bridge_slave_0) entered forwarding state
[   30.123550] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[   30.129670] 8021q: adding VLAN 0 to HW filter on device bond0
[   30.172243] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   30.220926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   30.228976] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   30.268227] 8021q: adding VLAN 0 to HW filter on device team0
[   30.532369] ------------[ cut here ]------------
[   30.537356] Bad or missing usercopy whitelist? Kernel memory exposure attempt detected from SLAB object 'kvm_vcpu' (offset 23192, size 8)!
[   30.550173] WARNING: CPU: 0 PID: 4653 at mm/usercopy.c:81 usercopy_warn+0xf5/0x120
[   30.557882] Kernel panic - not syncing: panic_on_warn set ...
[   30.557882] 
[   30.565239] CPU: 0 PID: 4653 Comm: syz-executor0 Not tainted 4.18.0-rc6+ #165
[   30.572496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   30