[   48.161860][  T111] su (111) used greatest stack depth: 24104 bytes left
[   48.161880][  T111] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   48.161882][  T111] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 111, name: su
[   48.161883][  T111] preempt_count: 2, expected: 0
[   48.161884][  T111] RCU nest depth: 0, expected: 0
[   48.161885][  T111] locks held by su/111: 5, last CPU#0:
[   48.161887][  T111]  #0: ffffffff89a02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0
[   48.161900][  T111]  #1: ffffffff89b6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   48.161904][  T111]  #2: ffffffff89b6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   48.161907][  T111]  #3: ffffffff89a89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60