[  169.402488][  T113] su (113) used greatest stack depth: 23024 bytes left
[  169.402510][  T113] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  169.402512][  T113] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 113, name: su
[  169.402514][  T113] preempt_count: 2, expected: 0
[  169.402515][  T113] RCU nest depth: 0, expected: 0
[  169.402516][  T113] locks held by su/113: 5, last CPU#1:
[  169.402518][  T113]  #0: ffffffffb02027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[  169.402531][  T113]  #1: ffffffffb0399cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[  169.402536][  T113]  #2: ffffffffb0399d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x71