[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   16.967493] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   26.010782] random: sshd: uninitialized urandom read (32 bytes read)
[   26.518636] random: sshd: uninitialized urandom read (32 bytes read)
[   27.238417] random: sshd: uninitialized urandom read (32 bytes read)
[   27.362859] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts.
[   32.737885] random: sshd: uninitialized urandom read (32 bytes read)
2018/07/28 07:03:37 parsed 1 programs
[   33.801925] random: cc1: uninitialized urandom read (8 bytes read)
2018/07/28 07:03:39 executed programs: 0
[   34.891804] IPVS: ftp: loaded support on port[0] = 21
[   35.034877] bridge0: port 1(bridge_slave_0) entered blocking state
[   35.041309] bridge0: port 1(bridge_slave_0) entered disabled state
[   35.048202] device bridge_slave_0 entered promiscuous mode
[   35.060916] bridge0: port 2(bridge_slave_1) entered blocking state
[   35.067308] bridge0: port 2(bridge_slave_1) entered disabled state
[   35.074256] device bridge_slave_1 entered promiscuous mode
[   35.086794] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   35.100654] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   35.132450] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   35.147972] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   35.193532] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   35.200688] team0: Port device team_slave_0 added
[   35.212332] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   35.219389] team0: Port device team_slave_1 added
[   35.231404] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   35.243444] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   35.256402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   35.270749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   35.351236] bridge0: port 2(bridge_slave_1) entered blocking state
[   35.357651] bridge0: port 2(bridge_slave_1) entered forwarding state
[   35.364311] bridge0: port 1(bridge_slave_0) entered blocking state
[   35.370651] bridge0: port 1(bridge_slave_0) entered forwarding state
[   35.662476] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[   35.668579] 8021q: adding VLAN 0 to HW filter on device bond0
[   35.701122] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   35.734720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   35.741913] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   35.770537] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   35.776633] 8021q: adding VLAN 0 to HW filter on device team0
[   35.972709] ==================================================================
[   35.980156] BUG: KASAN: stack-out-of-bounds in notify_die+0x2c2/0x2e0
[   35.986722] Write of size 8 at addr ffff8801d6dbf1f8 by task syz-executor0/4607
[   35.994144] 
[   35.995755] CPU: 0 PID: 4607 Comm: syz-executor0 Not tainted 4.18.0-rc6-next-20180725+ #18
[   36.004135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   36.013590] Call Trace:
[   36.016166] 
[   36.017769] The buggy address belongs to the page:
[