[   10.509686][  T118] su (118) used greatest stack depth: 24072 bytes left
[   10.509702][  T118] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   10.509704][  T118] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 118, name: su
[   10.509706][  T118] preempt_count: 2, expected: 0
[   10.509707][  T118] RCU nest depth: 0, expected: 0
[   10.509708][  T118] locks held by su/118: 5, last CPU#0:
[   10.509710][  T118]  #0: ffffffff898167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   10.509721][  T118]  #1: ffffffff8997ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/