[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[    6.611344] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   13.933490] random: sshd: uninitialized urandom read (32 bytes read)
[   14.415842] random: sshd: uninitialized urandom read (32 bytes read)
[   14.683593] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.51' (ECDSA) to the list of known hosts.
[   20.166632] urandom_read: 1 callbacks suppressed
[   20.166633] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   20.232575] FAULT_INJECTION: forcing a failure.
[   20.232575] name failslab, interval 1, probability 0, space 0, times 1
[   20.243861] CPU: 1 PID: 4023 Comm: syz-executor787 Not tainted 4.18.0-rc8+ #32
[   20.251237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   20.260565] Call Trace:
[   20.263123]  dump_stack+0xae/0xf0
[   20.266548]  should_fail+0x144/0x230
[   20.270228]  ? __should_failslab+0x67/0x90
[   20.274434]  __should_failslab+0x7e/0x90
[   20.278463]  should_failslab+0x9/0x20
[   20.282233]  __kmalloc+0x61/0x250
[   20.285653]  tls_push_record+0x48/0x470
[   20.289591]  tls_sw_sendmsg+0x53c/0x6e0
[   20.293534]  inet_sendmsg+0xf5/0x170
[   20.297215]  __sys_sendto+0x176/0x1f0
[   20.300982]  ? __vfs_write+0x49/0x1e0
[   20.304754]  ? fsnotify+0x1be/0x620
[   20.308392]  ? prepare_exit_to_usermode+0x68/0x170
[   20.313335]  __x64_sys_sendto+0x28/0x30
[   20.317282]  do_syscall_64+0x61/0x90
[   20.320965]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   20.326176] RIP: 0033:0x440669
[   20.329341] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 
[   20.348330] RSP: 002b:00007fff6b837248 EFLAGS: 00000212 ORIG_RAX: 000000000000002c
[   20.356007] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440669
[   20.363346] RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000004
[   20.370585] RBP: 00000000006cb018 R08: 0000000020000000 R09: 000000000000001c
[   20.377824] R10: 0000000000000040 R11: 0000000000000212 R12: 0000000000000005
[   20.385064] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
[   20.392719] WARNING: CPU: 1 PID: 4023 at net/core/stream.c:206 sk_stream_kill_queues+0x188/0x1a0
[   20.401725] Kernel panic - not syncing: panic_on_warn set ...
[   20.401725] 
[   20.409055] CPU: 1 PID: 4023 Comm: syz-executor787 Not tainted 4.18.0-rc8+ #32
[   20.416381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   20.425701] Call Trace:
[   20.428258]  dump_stack+0xae/0xf0
[   20.431821]  panic+0x121/0x390
[   20.434990]  ? printk+0x5a/0x70
[   20.438287]  ? sk_stream_kill_queues+0x188/0x1a0
[   20.443107]  __warn+0x188/0x190
[   20.446366]  ? sk_stream_kill_queues+0x188/0x1a0
[   20.451094]  report_bug+0x1bf/0x200
[   20.454746]  do_error_trap+0x47/0x1b0
[   20.458528]  ? __free_one_page+0x3d6/0x410
[   20.462737]  do_invalid_op+0x1b/0x20
[   20.466424]  invalid_op+0x14/0x20
[   20.469856] RIP: 0010:sk_stream_kill_queues+0x188/0x1a0
[   20.475185] Code: 5e 41 5f 5d c3 e8 38 76 ea fe 41 83 be 40 01 00 00 00 74 d6 e8 29 76 ea fe 0f 0b 41 83 be f8 00 00 00 00 74 d4 e8 18 76 ea fe <0f> 0b eb d0 e8 0f 76 ea fe 0f 0b e9 69 ff ff ff 90 90 90 90 90 90 
[   20.494237] RSP: 0018:ffff8802004ebc80 EFLAGS: 00010293
[   20.499572] RAX: ffffffff822c3828 RBX: 000000000000001c RCX: ffff8801fed2e040
[   20.506875] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffff8802006d0900
[   20.514120] RBP: ffff8802004ebc98 R08: ffffffff7fffffff R09: ffffffff00000000
[   20.521361] R10: 000000000000b626 R11: ffffffff825c3d00 R12: 0000000000000000
[   20.528597] R13: ffff8802006d09c8 R14: ffff8802006d0900 R15: ffff8802006d09b0
[   20.535843]  ? tcp_v6_init_sock+0x30/0x30
[   20.539964]  ? sk_stream_kill_queues+0x188/0x1a0
[   20.544687]  inet_csk_destroy_sock+0x9f/0x170
[   20.549151]  tcp_close+0x40f/0x500
[   20.552663]  ? tcp_check_oom+0x130/0x130
[   20.556695]  tls_sk_proto_close+0x2b6/0x310
[   20.560988]  inet_release+0x7e/0x90
[   20.564587]  inet6_release+0x35/0x50
[   20.568269]  sock_close+0x48/0xd0
[   20.571691]  ? sock_mmap+0x40/0x40
[   20.575243]  __fput+0x110/0x280
[   20.578497]  ____fput+0x15/0x20
[   20.581744]  task_work_run+0xb4/0xe0
[   20.585428]  do_exit+0x3a7/0xd70
[   20.588762]  ? syscall_return_slowpath+0x3f/0x270
[   20.593580]  do_group_exit+0x68/0xf0
[   20.597308]  __do_sys_exit_group+0xf/0x10
[   20.601430]  __se_sys_exit_group+0x9/0x10
[   20.605549]  __x64_sys_exit_group+0xd/0x10
[   20.609752]  do_syscall_64+0x61/0x90
[   20.613435]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   20.618599] RIP: 0033:0x43f328
[   20.621756] Code: 50 02 48 89 54 24 18 0f b6 50 02 83 e2 df 80 fa 50 75 8e 48 83 c0 03 41 bd 09 00 00 00 48 89 44 24 18 8d 41 fd 85 c0 89 44 24 <14> 0f 84 70 ff ff ff 48 8b 44 24 18 0f b6 10 48 8d 70 01 48 89 74 
[   20.640745] RSP: 002b:00007fff6b837268 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   20.648423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f328
[   20.655663] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[   20.662974] RBP: 00000000004bf088 R08: 00000000000000e7 R09: ffffffffffffffd0
[   20.670223] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000001
[   20.677463] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000
[   20.685080] Dumping ftrace buffer:
[   20.688595]    (ftrace buffer empty)
[   20.692271] Kernel Offset: disabled
[   20.695862] Rebooting in 86400 seconds..