Warning: Permanently added '10.128.0.188' (ECDSA) to the list of known hosts.
[   45.829866] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   45.963274] audit: type=1400 audit(1584443215.298:36): avc:  denied  { map } for  pid=7402 comm="syz-executor833" path="/root/syz-executor833497343" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   45.998973] MINIX-fs: mounting unchecked file system, running fsck is recommended
[   46.008822] BUG: unable to handle kernel NULL pointer dereference at           (null)
[   46.017046] IP: get_block+0x6a7/0x10f0
[   46.020916] PGD 8e431067 P4D 8e431067 PUD a107f067 PMD 0 
[   46.026437] Oops: 0002 [#1] PREEMPT SMP KASAN
[   46.030910] Modules linked in:
[   46.034082] CPU: 0 PID: 7402 Comm: syz-executor833 Not tainted 4.14.173-syzkaller #0
[   46.041956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   46.051386] task: ffff888093a7c1c0 task.stack: ffff888085018000
[   46.057425] RIP: 0010:get_block+0x6a7/0x10f0
[   46.061839] RSP: 0018:ffff88808501f808 EFLAGS: 00010246
[   46.067206] RAX: 0000000000000007 RBX: ffff88808501f910 RCX: 1ffffffff10279bc
[   46.074467] RDX: 0000000000000000 RSI: ffffffff87d842e0 RDI: ffff888093a7c1e4
[   46.081773] RBP: ffff88808501f988 R08: 0000000000000001 R09: 0000000000000002
[   46.089028] R10: ffff888093a7ca90 R11: ffff888093a7c1c0 R12: ffff88808501f8d4
[   46.096288] R13: ffff8880941ad960 R14: dffffc0000000000 R15: 0000000000000000
[   46.104236] FS:  000000000162a940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
[   46.112721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.118580] CR2: 0000000000000000 CR3: 000000007d4bb000 CR4: 00000000001406f0
[   46.125835] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.133259] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.141201] Call Trace:
[   46.143776]  ? block_to_path.isra.0+0x2d0/0x2d0
[   46.148869]  ? __lock_buffer+0x50/0x50
[   46.152751]  ? lock_downgrade+0x6e0/0x6e0
[   46.157072]  ? create_empty_buffers+0x264/0x470
[   46.161751]  ? do_raw_spin_unlock+0x164/0x250
[   46.166856]  minix_get_block+0xd6/0x100
[   46.170815]  __block_write_begin_int+0x337/0x1030
[   46.175639]  ? minix_rename+0x760/0x760
[   46.180166]  ? add_to_page_cache_lru+0x150/0x300
[   46.185948]  ? __breadahead+0xd0/0xd0
[   46.190304]  ? wait_for_stable_page+0xe3/0x270
[   46.195405]  ? minix_rename+0x760/0x760
[   46.199657]  block_write_begin+0x58/0x260
[   46.204302]  minix_write_begin+0x35/0xc0
[   46.208381]  generic_perform_write+0x1c9/0x420
[   46.212981]  ? page_endio+0x520/0x520
[   46.216952]  ? current_time+0xb0/0xb0
[   46.220755]  ? lock_acquire+0x170/0x3f0
[   46.224724]  __generic_file_write_iter+0x227/0x590
[   46.229999]  generic_file_write_iter+0x2fa/0x650
[   46.235502]  ? iov_iter_init+0xa6/0x1c0
[   46.239550]  __vfs_write+0x44e/0x630
[   46.243444]  ? kernel_read+0x110/0x110
[   46.248289]  ? rcu_read_lock_sched_held+0x10a/0x130
[   46.254046]  ? rcu_sync_lockdep_assert+0x69/0xa0
[   46.258798]  vfs_write+0x192/0x4e0
[   46.262387]  SyS_write+0xf2/0x210
[   46.265835]  ? SyS_read+0x210/0x210
[   46.269544]  ? __close_fd+0x159/0x230
[   46.273351]  ? do_syscall_64+0x4c/0x640
[   46.277337]  ? SyS_read+0x210/0x210
[   46.282092]  do_syscall_64+0x1d5/0x640
[   46.286014]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   46.291304] RIP: 0033:0x444c19
[   46.294606] RSP: 002b:00007fff8a02d308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   46.302301] RAX: ffffffffffffffda RBX: 00007fff8a02d310 RCX: 0000000000444c19
[   46.310119] RDX: 00000000ffffff2e RSI: 0000000020000040 RDI: 0000000000000004
[   46.317379] RBP: 0000000000000000 R08: 0000000000401000 R09: 0000000000401000
[   46.324645] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402880
[   46.333124] R13: 0000000000402910 R14: 0000000000000000 R15: 0000000000000000
[   46.342096] Code: ca 08 00 00 49 8b bf 28 01 00 00 b9 08 00 00 00 e8 5f 07 c6 ff 31 d2 be 6c 01 00 00 48 c7 c7 e0 f2 b9 86 49 89 c7 e8 e9 48 6d ff <f0> 41 0f ba 2f 02 0f 83 1f fe ff ff e8 98 33 89 ff 4c 89 ff e8 
[   46.361271] RIP: get_block+0x6a7/0x10f0 RSP: ffff88808501f808
[   46.367235] CR2: 0000000000000000
[   46.371222] ---[ end trace 6336850785786139 ]---
[   46.376066] Kernel panic - not syncing: Fatal exception
[   46.382847] Kernel Offset: disabled
[   46.386540] Rebooting in 86400 seconds..