[   58.152949][  T110] su (110) used greatest stack depth: 23968 bytes left
[   58.152967][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   58.152969][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   58.152970][  T110] preempt_count: 2, expected: 0
[   58.152971][  T110] RCU nest depth: 0, expected: 0
[   58.152973][  T110] locks held by su/110: 5, last CPU#1:
[   58.152975][  T110]  #0: ffffffff998027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   58.152987][