[   12.058361] 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.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   41.018343] random: sshd: uninitialized urandom read (32 bytes read)
[   41.353747] audit: type=1400 audit(1541695512.871:6): avc:  denied  { map } for  pid=1783 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
[   41.396035] random: sshd: uninitialized urandom read (32 bytes read)
[   41.801789] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.65' (ECDSA) to the list of known hosts.
[   47.454071] urandom_read: 1 callbacks suppressed
[   47.454075] random: sshd: uninitialized urandom read (32 bytes read)
executing program
executing program
executing program
executing program
executing program
executing program
[   47.548400] audit: type=1400 audit(1541695519.061:7): avc:  denied  { map } for  pid=1801 comm="syz-executor778" path="/root/syz-executor778007280" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   47.588672] ------------[ cut here ]------------
[   47.593496] WARNING: CPU: 1 PID: 68 at fs/direct-io.c:293 dio_complete+0x578/0x800
[   47.601178] Kernel panic - not syncing: panic_on_warn set ...
[   47.601178] 
[   47.608518] CPU: 1 PID: 68 Comm: kworker/1:1 Not tainted 4.14.78+ #28
[   47.615083] Workqueue: dio/sda1 dio_aio_complete_work
[   47.620256] Call Trace:
[   47.622833]  dump_stack+0xb9/0x11b
[   47.626357]  ? dio_complete+0x4c0/0x800
[   47.630317]  panic+0x1bf/0x3a4
[   47.633547]  ? add_taint.cold.4+0x16/0x16
[   47.637687]  ? __probe_kernel_read+0x163/0x1c0
[   47.642252]  ? dio_complete+0x578/0x800
[   47.646217]  __warn.cold.7+0x148/0x185
[   47.650098]  ? pagevec_lookup_entries+0x35/0x70
[   47.654749]  ? dio_complete+0x578/0x800
[   47.658703]  report_bug+0x1f7/0x26c
[   47.662315]  do_error_trap+0x1ba/0x2c0
[   47.666197]  ? math_error+0x2d0/0x2d0
[   47.669981]  ? clear_shadow_entry+0x190/0x190
[   47.674464]  ? trace_hardirqs_on_caller+0x381/0x520
[   47.679545]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   47.684378]  invalid_op+0x18/0x40
[   47.687815] RIP: 0010:dio_complete+0x578/0x800
[   47.692374] RSP: 0018:ffff8801d6d5fd10 EFLAGS: 00010297
[   47.697715] RAX: ffff8801d6d50000 RBX: ffff8801d6d7c000 RCX: 0000000000000000
[   47.704965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246
[   47.712218] RBP: 0000000000010000 R08: 0000000000000001 R09: 0000000000000000
[   47.719465] R10: ffff8801d6d50880 R11: 0000000000000001 R12: ffff8801c341e508
[   47.726711] R13: 0000000000010000 R14: 0000000000000003 R15: ffff8801d6d7c098
[   47.733998]  ? ext4_update_bh_state+0xe0/0xe0
[   47.738485]  process_one_work+0x86e/0x15c0
[   47.742705]  ? pwq_dec_nr_in_flight+0x2b0/0x2b0
[   47.747472]  worker_thread+0xdc/0x1000
[   47.751360]  ? process_one_work+0x15c0/0x15c0
[   47.755851]  ? process_one_work+0x15c0/0x15c0
[   47.760335]  kthread+0x348/0x420
[   47.763682]  ? kthread_create_on_node+0xe0/0xe0
[   47.768360]  ret_from_fork+0x3a/0x50
[   47.772731] Kernel Offset: 0x2c000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[   47.783655] Rebooting in 86400 seconds..