Warning: Permanently added '10.128.0.170' (ECDSA) to the list of known hosts.
[   37.958030] urandom_read: 1 callbacks suppressed
[   37.958035] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   38.074591] audit: type=1400 audit(1566023833.688:36): avc:  denied  { map } for  pid=6700 comm="syz-executor800" path="/root/syz-executor800965235" 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
[   38.079541] kasan: CONFIG_KASAN_INLINE enabled
[   38.105662] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   38.113062] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   38.119271] Modules linked in:
[   38.122439] CPU: 1 PID: 6700 Comm: syz-executor800 Not tainted 4.14.139 #35
[   38.129508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   38.138831] task: ffff88809f574480 task.stack: ffff8880911b0000
[   38.144865] RIP: 0010:do_blockdev_direct_IO+0x1c75/0x7fd0
[   38.150370] RSP: 0018:ffff8880911b74c0 EFLAGS: 00010202
[   38.155701] RAX: dffffc0000000000 RBX: ffffea000270401c RCX: 000000000000000c
[   38.162947] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000020
[   38.170187] RBP: ffff8880911b77d8 R08: ffffed1013fc1a11 R09: ffff88809fe0d000
[   38.177425] R10: ffffed1013fc1a10 R11: ffff88809fe0d087 R12: ffffea0002704000
[   38.184687] R13: ffffea0002704000 R14: 0000000000000000 R15: ffff88808906da40
[   38.191924] FS:  0000000001909880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
[   38.200116] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.205979] CR2: 0000000020788ffc CR3: 00000000a5e50000 CR4: 00000000001406e0
[   38.213219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   38.220458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   38.227699] Call Trace:
[   38.230272]  ? __ext4_get_inode_loc+0x392/0xf30
[   38.234917]  ? sb_init_dio_done_wq+0x80/0x80
[   38.239298]  ? __lock_acquire+0x2521/0x4620
[   38.243592]  ? save_trace+0x290/0x290
[   38.247380]  ? ext4_dio_get_block_unwritten_sync+0xd0/0xd0
[   38.252975]  ? ext4_dio_get_block_unwritten_sync+0xd0/0xd0
[   38.258568]  __blockdev_direct_IO+0xa1/0xca
[   38.262866]  ? write_end_fn+0xa0/0xa0
[   38.266656]  ext4_direct_IO+0x70d/0x1890
[   38.270691]  ? ext4_dio_get_block_unwritten_sync+0xd0/0xd0
[   38.276284]  generic_file_direct_write+0x1e7/0x430
[   38.281185]  __generic_file_write_iter+0x2bc/0x5b0
[   38.286086]  ext4_file_write_iter+0x2ac/0xe90
[   38.290561]  ? ext4_file_mmap+0x2c0/0x2c0
[   38.294708]  ? __might_sleep+0x93/0xb0
[   38.298564]  do_iter_readv_writev+0x418/0x670
[   38.303028]  ? vfs_dedupe_file_range+0x8f0/0x8f0
[   38.307762]  ? rw_verify_area+0xea/0x2b0
[   38.311790]  do_iter_write+0x154/0x540
[   38.315649]  ? rcu_lockdep_current_cpu_online+0xf2/0x140
[   38.321072]  ? __kmalloc+0x376/0x7a0
[   38.324772]  vfs_iter_write+0x77/0xb0
[   38.328551]  iter_file_splice_write+0x572/0xad0
[   38.333187]  ? page_cache_pipe_buf_steal+0x2f0/0x2f0
[   38.338257]  ? __lock_is_held+0xb6/0x140
[   38.342288]  ? rcu_sync_lockdep_assert+0x6d/0xb0
[   38.347012]  ? __sb_start_write+0x153/0x2f0
[   38.351304]  ? page_cache_pipe_buf_steal+0x2f0/0x2f0
[   38.356375]  SyS_splice+0xd92/0x1430
[   38.360062]  ? f_getown+0xb0/0xb0
[   38.363512]  ? compat_SyS_vmsplice+0x250/0x250
[   38.368078]  ? do_syscall_64+0x53/0x640
[   38.372111]  ? compat_SyS_vmsplice+0x250/0x250
[   38.376661]  do_syscall_64+0x1e8/0x640
[   38.380518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   38.385340]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   38.390511] RIP: 0033:0x440319
[   38.393672] RSP: 002b:00007fffca48f298 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
[   38.401347] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440319
[   38.408587] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000004
[   38.415825] RBP: 00000000006ca018 R08: 00000000ffffffff R09: 0000000000000000
[   38.423065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ba0
[   38.430307] R13: 0000000000401c30 R14: 0000000000000000 R15: 0000000000000000
[   38.437545] Code: 22 a2 d8 ff e9 4a 1d 00 00 e8 f8 65 c1 ff 48 8b 84 24 f0 00 00 00 48 8d 78 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 3d 54 00 00 48 8b 84 24 f0 00 00 00 4c 8b 60 
[   38.456587] RIP: do_blockdev_direct_IO+0x1c75/0x7fd0 RSP: ffff8880911b74c0
[   38.463927] ---[ end trace 4a2e7444e3184df4 ]---
[   38.468720] Kernel panic - not syncing: Fatal exception
[   38.475200] Kernel Offset: disabled
[   38.478807] Rebooting in 86400 seconds..