[   12.139479][  T119] su (119) used greatest stack depth: 23968 bytes left
[   12.139496][  T119] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   12.139497][  T119] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 119, name: su
[   12.139499][  T119] preempt_count: 2, expected: 0
[   12.139500][  T119] RCU nest depth: 0, expected: 0
[   12.139501][  T119] locks held by su/119: 5, last CPU#0:
[   12.139502][  T119]  #0: ffffffffaee027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   12.139513][  T119]  #1: ffffffffaef99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   12.139518][  T119]  #2: ffffffffaef99e38 (console_srcu){....}-{0:0}, at: con