[   22.055011] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available)
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   26.189110] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   26.570558] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   27.483226] random: sshd: uninitialized urandom read (32 bytes read, 104 bits of entropy available)
[   27.650136] random: sshd: uninitialized urandom read (32 bytes read, 108 bits of entropy available)
Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts.
[   32.988315] random: sshd: uninitialized urandom read (32 bytes read, 112 bits of entropy available)
2018/02/01 17:49:34 parsed 1 programs
2018/02/01 17:49:34 executed programs: 0
[   33.374355] IPVS: Creating netns size=2552 id=1
[   33.422479] IPVS: Creating netns size=2552 id=2
[   33.477167] IPVS: Creating netns size=2552 id=3
[   33.534899] IPVS: Creating netns size=2552 id=4
[   33.634986] IPVS: Creating netns size=2552 id=5
[   33.717707] IPVS: Creating netns size=2552 id=6
[   33.844984] IPVS: Creating netns size=2552 id=7
[   33.962050] IPVS: Creating netns size=2552 id=8
2018/02/01 17:49:39 executed programs: 9
2018/02/01 17:49:44 executed programs: 362
[   44.556678] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor2/7194
[   44.565180] caller is __this_cpu_preempt_check+0x1c/0x20
[   44.570776] CPU: 1 PID: 7194 Comm: syz-executor2 Not tainted 4.4.114-gfe09418 #3
[   44.578304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   44.587650]  0000000000000000 39b88b0694e094f1 ffff8800b684f648 ffffffff81d02e6d
[   44.595679]  0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801d3dc5f00
[   44.603887]  0000000000000003 ffff8800b684f688 ffffffff81d62db4 ffffffff810002b8
[   44.611950] Call Trace:
[   44.614535]  [<ffffffff81d02e6d>] dump_stack+0xc1/0x124
[   44.619976]  [<ffffffff81d62db4>] check_preemption_disabled+0x1d4/0x200
[   44.626741]  [<ffffffff810002b8>] ? 0xffffffff810002b8
[   44.632030]  [<ffffffff81d62e1c>] __this_cpu_preempt_check+0x1c/0x20
[   44.638561]  [<ffffffff83129749>] tcp_try_coalesce+0x249/0x4d0
[   44.644538]  [<ffffffff83129500>] ? tcp_parse_options+0x970/0x970
[   44.650778]  [<ffffffff82e2066c>] ? skb_copy_datagram_from_iter+0x38c/0x5a0
[   44.658964]  [<ffffffff831318c7>] tcp_queue_rcv+0x127/0x720
[   44.664707]  [<ffffffff8314919b>] tcp_send_rcvq+0x39b/0x450
[   44.670417]  [<ffffffff83148e00>] ? tcp_rcv_established+0x2230/0x2230
[   44.676994]  [<ffffffff8113bd00>] ? do_softirq.part.17+0x40/0x60
[   44.683157]  [<ffffffff812360eb>] ? trace_hardirqs_on_caller+0x38b/0x590
[   44.690005]  [<ffffffff82df31a0>] ? lock_sock_nested+0x90/0x120
[   44.696072]  [<ffffffff812362fd>] ? trace_hardirqs_on+0xd/0x10
[   44.702057]  [<ffffffff8113bd8a>] ? __local_bh_enable_ip+0x6a/0xd0
[   44.708392]  [<ffffffff831203ff>] tcp_sendmsg+0x1e8f/0x2b10
[   44.714111]  [<ffffffff81236920>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   44.721127]  [<ffffffff81b675d2>] ? sock_has_perm+0x1c2/0x3e0
[   44.727020]  [<ffffffff8311e570>] ? tcp_sendpage+0x1830/0x1830
[   44.732996]  [<ffffffff831d6071>] ? inet_sendmsg+0x201/0x4c0
[   44.738799]  [<ffffffff831d612c>] inet_sendmsg+0x2bc/0x4c0
[   44.744426]  [<ffffffff831d5ee3>] ? inet_sendmsg+0x73/0x4c0
[   44.750135]  [<ffffffff831d5e70>] ? inet_recvmsg+0x4c0/0x4c0
[   44.755940]  [<ffffffff82dea8da>] sock_sendmsg+0xca/0x110
[   44.761493]  [<ffffffff82dec4b1>] ___sys_sendmsg+0x6c1/0x7c0
[   44.767300]  [<ffffffff82debdf0>] ? copy_msghdr_from_user+0x550/0x550
[   44.773886]  [<ffffffff831d6071>] ? inet_sendmsg+0x201/0x4c0
[   44.779685]  [<ffffffff81577852>] ? __fget+0x232/0x3b0
[   44.784966]  [<ffffffff81577667>] ? __fget+0x47/0x3b0
[   44.790158]  [<ffffffff81577ab1>] ? __fget_light+0xa1/0x1e0
[   44.795866]  [<ffffffff81577c08>] ? __fdget+0x18/0x20
[   44.801064]  [<ffffffff82de7fd8>] ? sockfd_lookup_light+0x118/0x160
[   44.807482]  [<ffffffff82dee503>] __sys_sendmsg+0xd3/0x190
[   44.813138]  [<ffffffff82dee430>] ? SyS_shutdown+0x1b0/0x1b0
[   44.818936]  [<ffffffff812e1de9>] ? compat_SyS_futex+0x1f9/0x2a0
[   44.825095]  [<ffffffff82ed7fe0>] ? scm_detach_fds_compat+0x3c0/0x3c0
[   44.831679]  [<ffffffff82ed853a>] compat_SyS_sendmsg+0x2a/0x40
[   44.837659]  [<ffffffff82ed8510>] ? compat_SyS_getsockopt+0x2a0/0x2a0
[   44.844248]  [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890
[   44.850441]  [<ffffffff83774daa>] sysenter_flags_fixed+0xd/0x17
[   45.353295] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor6/7343
[   45.361947] caller is __this_cpu_preempt_check+0x1c/0x20
[   45.367413] CPU: 0 PID: 7343 Comm: syz-executor6 Not tainted 4.4.114-gfe09418 #3
[   45.374942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.384300]  0000000000000000 3eeda84942ad3801 ffff8801d3ae7648 ffffffff81d02e6d
[   45.392325]  0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801d30edf00
[   45.400370]  0000000000000003 ffff8801d3ae7688 ffffffff81d62db4 ffffffff810002b8
[   45.408415] Call Trace:
[   45.411005]  [<ffffffff81d02e6d>] dump_stack+0xc1/0x124
[   45.416367]  [<ffffffff81d62db4>] check_preemption_disabled+0x1d4/0x200
[   45.423110]  [<ffffffff810002b8>] ? 0xffffffff810002b8
[   45.428388]  [<ffffffff81d62e1c>] __this_cpu_preempt_check+0x1c/0x20
[   45.434891]  [<ffffffff83129749>] tcp_try_coalesce+0x249/0x4d0
[   45.440871]  [<ffffffff83129500>] ? tcp_parse_options+0x970/0x970
[   45.447139]  [<ffffffff82e2066c>] ? skb_copy_datagram_from_iter+0x38c/0x5a0
[   45.454245]  [<ffffffff831318c7>] tcp_queue_rcv+0x127/0x720
[   45.459961]  [<ffffffff8314919b>] tcp_send_rcvq+0x39b/0x450
[   45.465669]  [<ffffffff83148e00>] ? tcp_rcv_established+0x2230/0x2230
[   45.472296]  [<ffffffff8113bd00>] ? do_softirq.part.17+0x40/0x60
[   45.478453]  [<ffffffff812360eb>] ? trace_hardirqs_on_caller+0x38b/0x590
[   45.485291]  [<ffffffff82df31a0>] ? lock_sock_nested+0x90/0x120
[   45.491347]  [<ffffffff812362fd>] ? trace_hardirqs_on+0xd/0x10
[   45.497320]  [<ffffffff8113bd8a>] ? __local_bh_enable_ip+0x6a/0xd0
[   45.503648]  [<ffffffff831203ff>] tcp_sendmsg+0x1e8f/0x2b10
[   45.509367]  [<ffffffff81236920>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   45.516426]  [<ffffffff81b675d2>] ? sock_has_perm+0x1c2/0x3e0
[   45.522318]  [<ffffffff8311e570>] ? tcp_sendpage+0x1830/0x1830
[   45.528326]  [<ffffffff831d6071>] ? inet_sendmsg+0x201/0x4c0
[   45.534160]  [<ffffffff831d612c>] inet_sendmsg+0x2bc/0x4c0
[   45.539792]  [<ffffffff831d5ee3>] ? inet_sendmsg+0x73/0x4c0
[   45.545520]  [<ffffffff831d5e70>] ? inet_recvmsg+0x4c0/0x4c0
[   45.551324]  [<ffffffff82dea8da>] sock_sendmsg+0xca/0x110
[   45.556886]  [<ffffffff82dec4b1>] ___sys_sendmsg+0x6c1/0x7c0
[   45.562694]  [<ffffffff82debdf0>] ? copy_msghdr_from_user+0x550/0x550
[   45.569280]  [<ffffffff831d6071>] ? inet_sendmsg+0x201/0x4c0
[   45.575077]  [<ffffffff81577852>] ? __fget+0x232/0x3b0
[   45.580353]  [<ffffffff81577667>] ? __fget+0x47/0x3b0
[   45.585549]  [<ffffffff81577ab1>] ? __fget_light+0xa1/0x1e0
[   45.591263]  [<ffffffff81577c08>] ? __fdget+0x18/0x20
[   45.596473]  [<ffffffff82de7fd8>] ? sockfd_lookup_light+0x118/0x160
[   45.602874]  [<ffffffff82dee503>] __sys_sendmsg+0xd3/0x190
[   45.608537]  [<ffffffff82dee430>] ? SyS_shutdown+0x1b0/0x1b0
[   45.614352]  [<ffffffff815792d4>] ? __fd_install+0x224/0x5f0
[   45.620156]  [<ffffffff812e1de9>] ? compat_SyS_futex+0x1f9/0x2a0
[   45.626323]  [<ffffffff82ed853a>] compat_SyS_sendmsg+0x2a/0x40
[   45.632299]  [<ffffffff82ed8510>] ? compat_SyS_getsockopt+0x2a0/0x2a0
[   45.638887]  [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890
[   45.645034]  [<ffffffff83774daa>] sysenter_flags_fixed+0xd/0x17