=====================================
WARNING: bad unlock balance detected!
4.14.103+ #18 Not tainted
-------------------------------------
migration/1/16 is trying to release lock (&rq->lock) at:
[<ffffffffafd6e29d>] migration_cpu_stop+0x2dd/0x430 kernel/sched/core.c:1036
but there are no more locks to release!

other info that might help us debug this:
1 lock held by migration/1/16:
 #0:  (&p->pi_lock){-.-.}, at: [<ffffffffafd6e0a1>] migration_cpu_stop+0xe1/0x430 kernel/sched/core.c:1027

stack backtrace:
CPU: 1 PID: 16 Comm: migration/1 Not tainted 4.14.103+ #18
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x10e lib/dump_stack.c:53
 print_unlock_imbalance_bug kernel/locking/lockdep.c:3548 [inline]
 print_unlock_imbalance_bug.cold+0x110/0x11f kernel/locking/lockdep.c:3525
SELinux: mount invalid.  Same superblock, different security settings for (dev tracefs, type tracefs)
FAT-fs (loop0): Unrecognized mount option "fsname=" or missing value
FAT-fs (loop0): Unrecognized mount option "fsname=" or missing value
EXT4-fs (sda1): Unrecognized mount option "mode=00000000000000000000724" or missing value
EXT4-fs (sda1): Unrecognized mount option "mode=00000000000000000000724" or missing value
FAT-fs (loop0): Unrecognized mount option "fowner<18446744073709551615Csecurity.SMACK64TRANSMUTE" or missing value
FAT-fs (loop0): Unrecognized mount option "fowner<18446744073709551615Csecurity.SMACK64TRANSMUTE" or missing value
FAT-fs (loop4): Unrecognized mount option "fowner<18446744073709551615Csecurity.SMACK64TRANSMUTE" or missing value
FAT-fs (loop4): Unrecognized mount option "fowner<18446744073709551615Csecurity.SMACK64TRANSMUTE" or missing value
FAT-fs (loop4): Unrecognized mount option "fowner<18446744073709551615Csecurity.SMACK64TRANSMUTE" or missing value
FAT-fs (loop4): Unrecognized mount option "fowner<18446744073709551615Csecurity.SMACK64TRANSMUTE" or missing value
FAT-fs (loop4): Unrecognized mount option "fowner<18446744073709551615Csecurity.SMACK64TRANSMUTE" or missing value
FAT-fs (loop4): Unrecognized mount option "fowner<18446744073709551615Csecurity.SMACK64TRANSMUTE" or missing value