[....] Starting OpenBSD Secure Shell server: sshd[   11.198826] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   24.567629] random: sshd: uninitialized urandom read (32 bytes read)
[   24.842316] audit: type=1400 audit(1543575654.241:6): avc:  denied  { map } for  pid=1771 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
[   24.889099] random: sshd: uninitialized urandom read (32 bytes read)
[   25.354467] random: sshd: uninitialized urandom read (32 bytes read)
[   40.491941] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.15.204' (ECDSA) to the list of known hosts.
[   46.174417] random: sshd: uninitialized urandom read (32 bytes read)
[   46.271246] audit: type=1400 audit(1543575675.671:7): avc:  denied  { map } for  pid=1795 comm="syz-executor035" path="/root/syz-executor035269471" dev="sda1" ino=16461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   46.283781] ------------[ cut here ]------------
[   46.283795] kernel BUG at security/keys/keyring.c:1221!
[   46.283807] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   46.283810] Modules linked in:
[   46.283818] CPU: 0 PID: 1795 Comm: syz-executor035 Not tainted 4.14.84+ #14
[   46.283822] task: ffff8881d3318000 task.stack: ffff8881c4c28000
[   46.283834] RIP: 0010:__key_link_begin+0x1f5/0x2b0
[   46.283837] RSP: 0018:ffff8881c4c2fc18 EFLAGS: 00010297
[   46.283843] RAX: ffff8881d3318000 RBX: ffff8881d6be6000 RCX: 1ffff11038985f75
[   46.283847] RDX: 0000000000000000 RSI: ffff8881c4c2fd68 RDI: ffff8881c4c2fd78
[   46.283850] RBP: ffff8881c4c2fd68 R08: 0000000000000001 R09: 0000000000000000
[   46.283854] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11038985f91
[   46.283858] R13: ffff8881c4c2fd68 R14: ffff8881c7cc5c48 R15: ffff8881c4c2fce8
[   46.283863] FS:  0000000000a8f880(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
[   46.283867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.283871] CR2: 0000000020caaffb CR3: 00000001d0182002 CR4: 00000000001606b0
[   46.283879] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.283882] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.283884] Call Trace:
[   46.283895]  request_key_and_link+0x50f/0xa20
[   46.283904]  ? lookup_user_key+0x23f/0xd70
[   46.283911]  ? call_sbin_request_key+0x9b0/0x9b0
[   46.283921]  ? trace_hardirqs_on_caller+0x381/0x520
[   46.283929]  ? current_kernel_time64+0x101/0x120
[   46.283938]  ? lookup_user_key+0x123/0xd70
[   46.283947]  ? keyring_alloc+0xa0/0xa0
[   46.283961]  SyS_request_key+0x20e/0x2c0
[   46.283969]  ? commit_creds+0x3fa/0x9c0
[   46.283976]  ? SyS_add_key+0x340/0x340
[   46.283986]  ? do_syscall_64+0x43/0x4b0
[   46.283992]  ? SyS_add_key+0x340/0x340
[   46.283999]  do_syscall_64+0x19b/0x4b0
[   46.284010]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   46.284015] RIP: 0033:0x440139
[   46.284018] RSP: 002b:00007ffc045fd638 EFLAGS: 00000217 ORIG_RAX: 00000000000000f9
[   46.284024] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440139
[   46.284028] RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000000
[   46.284032] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   46.284035] R10: 00000000302724db R11: 0000000000000217 R12: 00000000004019c0
[   46.284039] R13: 0000000000401a50 R14: 0000000000000000 R15: 0000000000000000
[   46.284049] Code: 94 ff 48 c7 c7 20 9b 5d b0 e8 28 60 82 ff eb ac e8 01 12 94 ff 48 c7 c7 20 9b 5d b0 e8 85 58 e9 00 e9 00 ff ff ff e8 eb 11 94 ff <0f> 0b e8 e4 11 94 ff 48 8d bb ce 00 00 00 48 b8 00 00 00 00 00 
[   46.284176] RIP: __key_link_begin+0x1f5/0x2b0 RSP: ffff8881c4c2fc18
[   46.284180] ---[ end trace 6d163b9b5b50d321 ]---
[   46.284183] Kernel panic - not syncing: Fatal exception
[   46.297683] Kernel Offset: 0x2d000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[   46.568042] Rebooting in 86400 seconds..