[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   17.426734] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   23.473583] random: sshd: uninitialized urandom read (32 bytes read)
[   23.880085] random: sshd: uninitialized urandom read (32 bytes read)
[   24.780060] random: sshd: uninitialized urandom read (32 bytes read)
[  793.221259] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts.
[  798.638165] random: sshd: uninitialized urandom read (32 bytes read)
2018/07/28 21:59:23 parsed 1 programs
[  800.342974] random: cc1: uninitialized urandom read (8 bytes read)
2018/07/28 21:59:25 executed programs: 0
[  801.314602] IPVS: ftp: loaded support on port[0] = 21
[  801.517106] bridge0: port 1(bridge_slave_0) entered blocking state
[  801.523617] bridge0: port 1(bridge_slave_0) entered disabled state
[  801.531308] device bridge_slave_0 entered promiscuous mode
[  801.549040] bridge0: port 2(bridge_slave_1) entered blocking state
[  801.555554] bridge0: port 2(bridge_slave_1) entered disabled state
[  801.562622] device bridge_slave_1 entered promiscuous mode
[  801.578948] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[  801.594873] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[  801.636416] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  801.654580] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  801.717771] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[  801.725124] team0: Port device team_slave_0 added
[  801.740242] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[  801.747439] team0: Port device team_slave_1 added
[  801.764027] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  801.781357] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  801.798851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[  801.816480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[  801.936301] bridge0: port 2(bridge_slave_1) entered blocking state
[  801.942820] bridge0: port 2(bridge_slave_1) entered forwarding state
[  801.949794] bridge0: port 1(bridge_slave_0) entered blocking state
[  801.956177] bridge0: port 1(bridge_slave_0) entered forwarding state
[  802.382558] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[  802.388817] 8021q: adding VLAN 0 to HW filter on device bond0
[  802.432667] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[  802.464672] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[  802.483300] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[  802.489557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  802.496931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  802.535531] 8021q: adding VLAN 0 to HW filter on device team0
2018/07/28 21:59:30 executed programs: 5
2018/07/28 21:59:36 executed programs: 12
2018/07/28 21:59:42 executed programs: 19
2018/07/28 21:59:48 executed programs: 26
2018/07/28 21:59:53 executed programs: 33
2018/07/28 21:59:59 executed programs: 40
2018/07/28 22:00:05 executed programs: 47
2018/07/28 22:00:11 executed programs: 54
2018/07/28 22:00:16 executed programs: 61
2018/07/28 22:00:22 executed programs: 68
2018/07/28 22:00:28 executed programs: 75
2018/07/28 22:00:34 executed programs: 82
2018/07/28 22:00:39 executed programs: 89
2018/07/28 22:00:45 executed programs: 96
2018/07/28 22:00:51 executed programs: 103
2018/07/28 22:00:56 executed programs: 110
2018/07/28 22:01:02 executed programs: 117
2018/07/28 22:01:08 executed programs: 124
[ 1012.778021] INFO: rcu_sched detected stalls on CPUs/tasks:
[ 1012.783765] 	(detected by 1, t=105007 jiffies, g=6926, c=6925, q=5)
[ 1012.790180] All QSes seen, last rcu_sched kthread activity 105014 (4295680086-4295575072), jiffies_till_next_fqs=3, root ->qsmask 0x0
[ 1012.802307] syz-executor0   R  running task    23288  5140   4372 0x20020008
[ 1012.809574] Call Trace:
[ 1012.812152]  <IRQ>
[ 1012.814368]  sched_show_task.cold.84+0x27a/0x301
[ 1012.819121]  ? can_nice.part.75+0x20/0x20
[ 1012.823266]  ? vprintk_default+0x28/0x30
[ 1012.82732