Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. [ 29.367910] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program [ 29.461521] audit: type=1400 audit(1542814124.865:7): avc: denied { map } for pid=1781 comm="syz-executor829" path="/root/syz-executor829164124" 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 [ 29.499656] ------------[ cut here ]------------ [ 29.504461] WARNING: CPU: 1 PID: 18 at fs/direct-io.c:293 dio_complete+0x578/0x800 [ 29.512170] Kernel panic - not syncing: panic_on_warn set ... [ 29.512170] [ 29.519512] CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 4.14.82+ #7 [ 29.526226] Workqueue: dio/sda1 dio_aio_complete_work [ 29.531392] Call Trace: [ 29.533961] dump_stack+0xb9/0x11b [ 29.537566] ? dio_complete+0x4f0/0x800 [ 29.541628] panic+0x1bf/0x3a4 [ 29.544809] ? add_taint.cold.4+0x16/0x16 [ 29.548940] ? __probe_kernel_read+0x163/0x1c0 [ 29.553513] ? dio_complete+0x578/0x800 [ 29.557469] __warn.cold.7+0x2f/0x35 [ 29.561200] ? pagevec_lookup_entries+0x35/0x70 [ 29.565857] ? dio_complete+0x578/0x800 [ 29.569806] report_bug+0x1f7/0x26c [ 29.573412] do_error_trap+0x1ba/0x2c0 [ 29.577305] ? math_error+0x2d0/0x2d0 [ 29.581085] ? clear_shadow_entry+0x190/0x190 [ 29.585567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.590398] invalid_op+0x18/0x40 [ 29.593849] RIP: 0010:dio_complete+0x578/0x800 [ 29.598413] RSP: 0018:ffff8801daacfd10 EFLAGS: 00010297 [ 29.603842] RAX: ffff8801daaac680 RBX: ffff8801d1854680 RCX: 0000000000000000 [ 29.611122] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246 [ 29.618416] RBP: 0000000000010000 R08: 0000000000000001 R09: 0000000000000000 [ 29.625661] R10: ffff8801daaacf00 R11: 0000000000000001 R12: ffff8801c3063c90 [ 29.633008] R13: 0000000000010000 R14: 0000000000000003 R15: ffff8801d1854718 [ 29.640272] ? ext4_update_bh_state+0xe0/0xe0 [ 29.644777] process_one_work+0x86e/0x1670 [ 29.649143] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 29.653830] worker_thread+0xdc/0x1000 [ 29.657753] ? process_one_work+0x1670/0x1670 [ 29.662227] kthread+0x348/0x420 [ 29.665570] ? kthread_create_on_node+0xe0/0xe0 [ 29.670233] ret_from_fork+0x3a/0x50 [ 29.674325] Kernel Offset: 0x7000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 29.685149] Rebooting in 86400 seconds..