[   30.184225] random: sshd: uninitialized urandom read (32 bytes read)
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[   30.533072] random: sshd: uninitialized urandom read (32 bytes read)
[   31.288414] urandom_read: 1 callbacks suppressed
[   31.288419] random: sshd: uninitialized urandom read (32 bytes read)

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts.
syzkaller login: [   36.930415] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   37.055282] kauditd_printk_skb: 11 callbacks suppressed
[   37.055290] audit: type=1400 audit(1568743966.749:36): avc:  denied  { map } for  pid=6864 comm="syz-executor588" path="/root/syz-executor588392884" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   37.088348] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
[   37.190200] kasan: CONFIG_KASAN_INLINE enabled
[   37.195094] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   37.203369] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   37.209799] Modules linked in:
[   37.212979] CPU: 0 PID: 6867 Comm: syz-executor588 Not tainted 4.14.144 #0
[   37.220163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   37.229523] task: ffff888095d94500 task.stack: ffff88808f730000
[   37.235569] RIP: 0010:tcp_push+0xe9/0x610
[   37.239694] RSP: 0018:ffff88808f737a48 EFLAGS: 00010202
[   37.245075] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   37.252496] RDX: 0000000000000007 RSI: 0000000000000008 RDI: 0000000000000038
[   37.259760] RBP: ffff88808f737a98 R08: ffff88808d32c91c R09: ffff888095d94da0
[   37.267256] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808d32c080
[   37.274730] R13: 0000000000000000 R14: ffff88808d32c914 R15: 0000000000000008
[   37.282005] FS:  00007f73452ee700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
[   37.290485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.296469] CR2: 0000000021000000 CR3: 000000009e14a000 CR4: 00000000001406f0
[   37.303730] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   37.312067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   37.319329] Call Trace:
[   37.321907]  tcp_sendmsg_locked+0x2307/0x3200
[   37.326398]  ? tcp_sendpage+0x60/0x60
[   37.330194]  ? trace_hardirqs_on_caller+0x400/0x590
[   37.335204]  ? trace_hardirqs_on+0xd/0x10
[   37.339335]  tcp_sendmsg+0x30/0x50
[   37.342861]  inet_sendmsg+0x122/0x500
[   37.346646]  ? inet_recvmsg+0x500/0x500
[   37.350609]  sock_sendmsg+0xce/0x110
[   37.354305]  SYSC_sendto+0x206/0x310
[   37.358015]  ? SYSC_connect+0x2d0/0x2d0
[   37.361972]  ? fput+0xd4/0x150
[   37.365157]  ? SYSC_accept4+0x414/0x640
[   37.369131]  ? trace_hardirqs_on+0xd/0x10
[   37.373665]  ? SyS_futex+0x215/0x302
[   37.377421]  ? SyS_futex+0x222/0x302
[   37.381153]  ? do_futex+0x19e0/0x19e0
[   37.384941]  SyS_sendto+0x40/0x50
[   37.388379]  ? SyS_getpeername+0x30/0x30
[   37.392437]  do_syscall_64+0x1e8/0x640
[   37.396313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   37.401177]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   37.406365] RIP: 0033:0x446869
[   37.409533] RSP: 002b:00007f73452edd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   37.417222] RAX: ffffffffffffffda RBX: 00000000006dbc58 RCX: 0000000000446869
[   37.424475] RDX: ffffffffffffff47 RSI: 00000000200000c0 RDI: 0000000000000005
[   37.432953] RBP: 00000000006dbc50 R08: 0000000000000000 R09: 000000000000001a
[   37.440209] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000006dbc5c
[   37.447477] R13: 0000000000000000 R14: 0000000000000000 R15: 20c49ba5e353f7cf
[   37.454827] Code: 00 4d 8d 84 24 9c 08 00 00 4c 89 45 b8 e8 c0 c7 39 fc 48 8d 7b 38 4c 8b 45 b8 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 1e 04 00 00 48 b8 00 00 00 00 00 
[   37.474010] RIP: tcp_push+0xe9/0x610 RSP: ffff88808f737a48
[   37.479946] ---[ end trace e7663ee5316fa09c ]---
[   37.484746] Kernel panic - not syncing: Fatal exception
[   37.492000] Kernel Offset: disabled
[   37.495799] Rebooting in 86400 seconds..