Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts.
[   20.222015] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   20.311720] audit: type=1400 audit(1572738990.519:7): avc:  denied  { map } for  pid=1775 comm="syz-executor951" path="/root/syz-executor951888332" dev="sda1" ino=2339 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   20.313965] 
[   20.339527] =============================
[   20.343657] WARNING: suspicious RCU usage
[   20.347786] 4.14.151+ #0 Not tainted
[   20.351476] -----------------------------
[   20.355600] ./include/linux/radix-tree.h:238 suspicious rcu_dereference_check() usage!
[   20.363630] 
[   20.363630] other info that might help us debug this:
[   20.363630] 
[   20.371750] 
[   20.371750] rcu_scheduler_active = 2, debug_locks = 1
[   20.378398] 2 locks held by syz-executor951/1775:
[   20.383239]  #0:  (&sb->s_type->i_mutex_key#10){+.+.}, at: [<        (ptrval)>] shmem_add_seals+0x12b/0xf80
[   20.393115]  #1:  (&(&mapping->tree_lock)->rlock){-...}, at: [<        (ptrval)>] shmem_add_seals+0x2e1/0xf80
[   20.403159] 
[   20.403159] stack backtrace:
[   20.407636] CPU: 0 PID: 1775 Comm: syz-executor951 Not tainted 4.14.151+ #0
[   20.414713] Call Trace:
[   20.417288]  dump_stack+0xca/0x134
[   20.420827]  shmem_add_seals+0x9d2/0xf80
[   20.424887]  ? shmem_file_llseek+0x220/0x220
[   20.429280]  ? vfs_write+0x35d/0x4d0
[   20.432976]  ? check_preemption_disabled+0x35/0x1f0
[   20.437990]  shmem_fcntl+0xea/0x120
[   20.441599]  do_fcntl+0x5c8/0xd20
[   20.445032]  ? f_getown+0xa0/0xa0
[   20.448466]  ? vfs_write+0x319/0x4d0
[   20.452163]  ? selinux_file_fcntl+0x86/0x140
[   20.456569]  SyS_fcntl+0xc6/0x100
[   20.460000]  ? do_fcntl+0xd20/0xd20
[   20.463613]  do_syscall_64+0x19b/0x520
[   20.467486]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   20.472659] RIP: 0033:0x440169
[   20.475832] RSP: 002b:00007ffdf2bb5a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000048
[   20.483520] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440169
[   20.490773] RDX: 0000000000000008 RSI: 0000000000000409 RDI: 0000000000000003
[   20.498038] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   20.505290] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004019f0
[