[  233.601334][  T117] su (117) used greatest stack depth: 24072 bytes left
[  233.601351][  T117] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  233.601354][  T117] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 117, name: su
[  233.601356][  T117] preempt_count: 2, expected: 0
[  233.601357][  T117] RCU nest depth: 0, expected: 0
[  233.601358][  T117] INFO: lockdep is turned off.
[  233.601360][  T117] irq event stamp: 140004
[  233.601361][  T117] hardirqs last  enabled at (140003): [<ffffffff9cde1483>] _raw_spin_unlock_irqrestore+0x53/0x80
[  233.601370][  T117] hardirqs last disabled at (140004): [<ffffffff9cdc3b26>] __schedule+0x1246/0x20e0
[  233.601374][  T117] softirqs last  enabled at (139896): [<ffffffff9a2d9d89>] fpu_clone+0xd9/0x410
[  233.601378][  T117] softirqs last disabled at (139894): [<ffffffff9a2d9d32>] fpu_clone+0x82/0x410
[  233.601381][  T117] Preemption disabled at:
[  233.601382][  T117] [<0000000000000000>] 0x0
[  233.601389][  T117] CPU: 1 UID: 0 PID: 117 Comm: su Tainted: G        W           7.2.0-virtm