[   10.163342] random: sshd: uninitialized urandom read (32 bytes read)
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   27.889033] random: sshd: uninitialized urandom read (32 bytes read)
[   28.222746] audit: type=1400 audit(1551895942.768:6): avc:  denied  { map } for  pid=1767 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
[   28.258054] random: sshd: uninitialized urandom read (32 bytes read)
[   28.723273] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts.
[   34.401877] urandom_read: 1 callbacks suppressed
[   34.401881] random: sshd: uninitialized urandom read (32 bytes read)
executing program
executing program
executing program
executing program
executing program
executing program
[   34.497706] audit: type=1400 audit(1551895949.038:7): avc:  denied  { map } for  pid=1785 comm="syz-executor650" path="/root/syz-executor650351011" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
executing program
[   34.862819] ------------[ cut here ]------------
[   34.867809] WARNING: CPU: 0 PID: 1800 at kernel/signal.c:349 task_participate_group_stop+0x1b3/0x210
[   34.877066] Kernel panic - not syncing: panic_on_warn set ...
[   34.877066] 
[   34.884427] CPU: 0 PID: 1800 Comm: 5 Not tainted 4.14.105+ #25
[   34.890397] Call Trace:
[   34.892980]  dump_stack+0xb9/0x10e
[   34.896511]  panic+0x1d9/0x3c2
[   34.899709]  ? add_taint.cold+0x16/0x16
[   34.903686]  ? task_participate_group_stop+0x1b3/0x210
[   34.908973]  ? __probe_kernel_read+0x163/0x1c0
[   34.913581]  ? task_participate_group_stop+0x1b3/0x210
[   34.918892]  __warn.cold+0x2f/0x3b
[   34.922437]  ? __lock_acquire+0x56a/0x3fa0
[   34.926770]  ? task_participate_group_stop+0x1b3/0x210
[   34.932035]  ? report_bug+0x20a/0x248
[   34.935867]  ? do_error_trap+0x1bf/0x2d0
[   34.939920]  ? math_error+0x2d0/0x2d0
[   34.943702]  ? trace_hardirqs_on+0x10/0x10
[   34.947940]  ? trace_hardirqs_on+0x10/0x10
[   34.952177]  ? dentry_free+0xc6/0x120
[   34.955980]  ? rcu_read_lock_sched_held+0x10a/0x130
[   34.961061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.965944]  ? invalid_op+0x18/0x40
[   34.969635]  ? task_participate_group_stop+0x1b3/0x210
[   34.974930]  ? do_signal_stop+0x199/0x750
[   34.979075]  ? get_signal+0xa96/0x1a90
[   34.982952]  ? _raw_spin_unlock_irqrestore+0x41/0x70
[   34.988119]  ? do_signal+0x96/0x15c0
[   34.991866]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   34.997316]  ? setup_sigcontext+0x810/0x810
[   35.001631]  ? kmem_cache_free+0x2ac/0x330
[   35.005856]  ? put_files_struct+0x268/0x2d0
[   35.010181]  ? do_execveat_common.isra.0+0x234/0x1c30
[   35.015373]  ? prepare_bprm_creds+0x110/0x110
[   35.019859]  ? exit_to_usermode_loop+0xcd/0x160
[   35.024533]  ? exit_to_usermode_loop+0x11d/0x160
[   35.029293]  ? do_syscall_64+0x372/0x4b0
[   35.033405]  ? entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   35.039182] Kernel Offset: 0x9200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[   35.050060] Rebooting in 86400 seconds..