[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   34.028169] random: sshd: uninitialized urandom read (32 bytes read)
[   34.459382] kauditd_printk_skb: 9 callbacks suppressed
[   34.459391] audit: type=1400 audit(1575836808.965:35): avc:  denied  { map } for  pid=6882 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
[   34.515451] random: sshd: uninitialized urandom read (32 bytes read)
[   35.079132] random: sshd: uninitialized urandom read (32 bytes read)
[   35.275155] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts.
[   40.827249] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   40.942070] audit: type=1400 audit(1575836815.455:36): avc:  denied  { map } for  pid=6895 comm="syz-executor973" path="/root/syz-executor973245589" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   40.946458] ==================================================================
[   40.976794] BUG: KASAN: null-ptr-deref in llcp_sock_getname+0x38f/0x4a0
[   40.983539] Read of size 43 at addr           (null) by task syz-executor973/6895
[   40.991196] 
[   40.992860] CPU: 1 PID: 6895 Comm: syz-executor973 Not tainted 4.14.158-syzkaller #0
[   41.000716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.010168] Call Trace:
[   41.012768]  dump_stack+0x142/0x197
[   41.016422]  ? llcp_sock_getname+0x38f/0x4a0
[   41.020815]  kasan_report.cold+0x127/0x2af
[   41.025034]  check_memory_region+0x123/0x190
[   41.029440]  memcpy+0x24/0x50
[   41.032541]  llcp_sock_getname+0x38f/0x4a0
[   41.037637]  ? security_socket_getpeername+0x79/0xa0
[   41.042745]  SYSC_getpeername+0x120/0x270
[   41.046878]  ? SYSC_getsockname+0x1f0/0x1f0
[   41.051193]  ? SyS_socket+0x103/0x170
[   41.054980]  ? SyS_bind+0x30/0x30
[   41.058428]  SyS_getpeername+0x24/0x30
[   41.062330]  ? SyS_getsockname+0x30/0x30
[   41.066387]  do_syscall_64+0x1e8/0x640
[   41.070332]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.075166]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   41.080345] RIP: 0033:0x440349
[   41.083603] RSP: 002b:00007ffdb6b13ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000034
[   41.091292] RAX: ffffffffffffffda RBX: fe7f62c7329d9aaa RCX: 0000000000440349
[   41.098556] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[   41.105869] RBP: 65e500001d7ef6cc R08: 00007ffdb6b13c48 R09: 00007ffdb6b13c48
[   41.113126] R10: 00007ffdb6b13c48 R11: 0000000000000246 R12: 211e267fffffffff
[   41.120393] R13: ffff000000004d02 R14: aac8030fa4d62b9c R15: d303a55487e71188
[   41.127653] ==================================================================
[   41.135944] Disabling lock debugging due to kernel taint
[   41.141904] Kernel panic - not syncing: panic_on_warn set ...
[   41.141904] 
[   41.149268] CPU: 0 PID: 6895 Comm: syz-executor973 Tainted: G    B           4.14.158-syzkaller #0
[   41.158349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.167721] Call Trace:
[   41.170290]  dump_stack+0x142/0x197
[   41.173938]  ? llcp_sock_getname+0x38f/0x4a0
[   41.178421]  panic+0x1f9/0x42d
[   41.181603]  ? add_taint.cold+0x16/0x16
[   41.185570]  ? ___preempt_schedule+0x16/0x18
[   41.189963]  kasan_end_report+0x47/0x4f
[   41.193934]  kasan_report.cold+0x130/0x2af
[   41.198150]  check_memory_region+0x123/0x190
[   41.202538]  memcpy+0x24/0x50
[   41.205626]  llcp_sock_getname+0x38f/0x4a0
[   41.209863]  ? security_socket_getpeername+0x79/0xa0
[   41.214948]  SYSC_getpeername+0x120/0x270
[   41.219072]  ? SYSC_getsockname+0x1f0/0x1f0
[   41.223374]  ? SyS_socket+0x103/0x170
[   41.227148]  ? SyS_bind+0x30/0x30
[   41.230577]  SyS_getpeername+0x24/0x30
[   41.234439]  ? SyS_getsockname+0x30/0x30
[   41.238474]  do_syscall_64+0x1e8/0x640
[   41.242337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.247155]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   41.252320] RIP: 0033:0x440349
[   41.255485] RSP: 002b:00007ffdb6b13ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000034
[   41.263190] RAX: ffffffffffffffda RBX: fe7f62c7329d9aaa RCX: 0000000000440349
[   41.270435] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[   41.277677] RBP: 65e500001d7ef6cc R08: 00007ffdb6b13c48 R09: 00007ffdb6b13c48
[   41.284938] R10: 00007ffdb6b13c48 R11: 0000000000000246 R12: 211e267fffffffff
[   41.292270] R13: ffff000000004d02 R14: aac8030fa4d62b9c R15: d303a55487e71188
[   41.300908] Kernel Offset: disabled
[   41.304531] Rebooting in 86400 seconds..